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Eilon Greensteind05c26c2009-01-17 23:26:13 -08001/* Copyright 2008-2009 Broadcom Corporation
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002 *
3 * Unless you and Broadcom execute a separate written software license
4 * agreement governing use of this software, this software is licensed to you
5 * under the terms of the GNU General Public License version 2, available
6 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
7 *
8 * Notwithstanding the above, under no circumstances may you combine this
9 * software in any way with any other Broadcom software provided under a
10 * license other than the GPL, without Broadcom's express prior written
11 * consent.
12 *
13 * Written by Yaniv Rosner
14 *
15 */
16
Joe Perches7995c642010-02-17 15:01:52 +000017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070019#include <linux/kernel.h>
20#include <linux/errno.h>
21#include <linux/pci.h>
22#include <linux/netdevice.h>
23#include <linux/delay.h>
24#include <linux/ethtool.h>
25#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070027#include "bnx2x.h"
28
29/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070030#define ETH_HLEN 14
Dmitry Kravkov523224a2010-10-06 03:23:26 +000031#define ETH_OVREHEAD (ETH_HLEN + 8 + 8)/* 16 for CRC + VLAN + LLC */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070032#define ETH_MIN_PACKET_SIZE 60
33#define ETH_MAX_PACKET_SIZE 1500
34#define ETH_MAX_JUMBO_PACKET_SIZE 9600
35#define MDIO_ACCESS_TIMEOUT 1000
36#define BMAC_CONTROL_RX_ENABLE 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070037
38/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070039/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070040/***********************************************************/
41
Eilon Greenstein2f904462009-08-12 08:22:16 +000042#define NIG_LATCH_BC_ENABLE_MI_INT 0
43
44#define NIG_STATUS_EMAC0_MI_INT \
45 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070046#define NIG_STATUS_XGXS0_LINK10G \
47 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
48#define NIG_STATUS_XGXS0_LINK_STATUS \
49 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
50#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
51 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
52#define NIG_STATUS_SERDES0_LINK_STATUS \
53 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
54#define NIG_MASK_MI_INT \
55 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
56#define NIG_MASK_XGXS0_LINK10G \
57 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
58#define NIG_MASK_XGXS0_LINK_STATUS \
59 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
60#define NIG_MASK_SERDES0_LINK_STATUS \
61 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
62
63#define MDIO_AN_CL73_OR_37_COMPLETE \
64 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
65 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
66
67#define XGXS_RESET_BITS \
68 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
69 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
70 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
71 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
72 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
73
74#define SERDES_RESET_BITS \
75 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
76 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
77 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
78 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
79
80#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
81#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Eilon Greenstein3196a882008-08-13 15:58:49 -070082#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
83#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070084 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070085#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070086 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070087#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070088
89#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
90 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
91#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
92 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
93#define GP_STATUS_SPEED_MASK \
94 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
95#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
96#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
97#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
98#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
99#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
100#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
101#define GP_STATUS_10G_HIG \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
103#define GP_STATUS_10G_CX4 \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
105#define GP_STATUS_12G_HIG \
106 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
107#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
108#define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
109#define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
110#define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
111#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
112#define GP_STATUS_10G_KX4 \
113 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
114
115#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
116#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
117#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
118#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
119#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
120#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
121#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
122#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
123#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
124#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
125#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
126#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
127#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
128#define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
129#define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
130#define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
131#define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
132#define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
133#define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
134#define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
135#define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
136#define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
137#define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
138
139#define PHY_XGXS_FLAG 0x1
140#define PHY_SGMII_FLAG 0x2
141#define PHY_SERDES_FLAG 0x4
142
Eilon Greenstein589abe32009-02-12 08:36:55 +0000143/* */
144#define SFP_EEPROM_CON_TYPE_ADDR 0x2
145 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
146 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
147
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000148
149#define SFP_EEPROM_COMP_CODE_ADDR 0x3
150 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
151 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
152 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
153
Eilon Greenstein589abe32009-02-12 08:36:55 +0000154#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
155 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
156 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000157
Eilon Greenstein589abe32009-02-12 08:36:55 +0000158#define SFP_EEPROM_OPTIONS_ADDR 0x40
159 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
160#define SFP_EEPROM_OPTIONS_SIZE 2
161
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000162#define EDC_MODE_LINEAR 0x0022
163#define EDC_MODE_LIMITING 0x0044
164#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000165
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000166
167
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700168/**********************************************************/
169/* INTERFACE */
170/**********************************************************/
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000171
172#define CL45_WR_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
173 bnx2x_cl45_write(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000174 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700175 (_bank + (_addr & 0xf)), \
176 _val)
177
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000178#define CL45_RD_OVER_CL22(_bp, _phy, _bank, _addr, _val) \
179 bnx2x_cl45_read(_bp, _phy, \
Yaniv Rosner7aa07112010-09-07 11:41:01 +0000180 (_phy)->def_md_devad, \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700181 (_bank + (_addr & 0xf)), \
182 _val)
183
stephen hemminger8d962862010-10-21 07:50:56 +0000184static u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
185 u8 devad, u16 reg, u16 *ret_val);
186
187static u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
188 u8 devad, u16 reg, u16 val);
189
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700190static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
191{
192 u32 val = REG_RD(bp, reg);
193
194 val |= bits;
195 REG_WR(bp, reg, val);
196 return val;
197}
198
199static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
200{
201 u32 val = REG_RD(bp, reg);
202
203 val &= ~bits;
204 REG_WR(bp, reg, val);
205 return val;
206}
207
208static void bnx2x_emac_init(struct link_params *params,
209 struct link_vars *vars)
210{
211 /* reset and unreset the emac core */
212 struct bnx2x *bp = params->bp;
213 u8 port = params->port;
214 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
215 u32 val;
216 u16 timeout;
217
218 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
219 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
220 udelay(5);
221 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
222 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
223
224 /* init emac - use read-modify-write */
225 /* self clear reset */
226 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700227 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700228
229 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700230 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700231 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
232 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
233 if (!timeout) {
234 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
235 return;
236 }
237 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700238 } while (val & EMAC_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700239
240 /* Set mac address */
241 val = ((params->mac_addr[0] << 8) |
242 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700243 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700244
245 val = ((params->mac_addr[2] << 24) |
246 (params->mac_addr[3] << 16) |
247 (params->mac_addr[4] << 8) |
248 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700249 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700250}
251
252static u8 bnx2x_emac_enable(struct link_params *params,
253 struct link_vars *vars, u8 lb)
254{
255 struct bnx2x *bp = params->bp;
256 u8 port = params->port;
257 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
258 u32 val;
259
260 DP(NETIF_MSG_LINK, "enabling EMAC\n");
261
262 /* enable emac and not bmac */
263 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
264
265 /* for paladium */
266 if (CHIP_REV_IS_EMUL(bp)) {
267 /* Use lane 1 (of lanes 0-3) */
268 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
269 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
270 port*4, 1);
271 }
272 /* for fpga */
273 else
274
275 if (CHIP_REV_IS_FPGA(bp)) {
276 /* Use lane 1 (of lanes 0-3) */
277 DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
278
279 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
280 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
281 0);
282 } else
283 /* ASIC */
284 if (vars->phy_flags & PHY_XGXS_FLAG) {
285 u32 ser_lane = ((params->lane_config &
286 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
287 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
288
289 DP(NETIF_MSG_LINK, "XGXS\n");
290 /* select the master lanes (out of 0-3) */
291 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 +
292 port*4, ser_lane);
293 /* select XGXS */
294 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
295 port*4, 1);
296
297 } else { /* SerDes */
298 DP(NETIF_MSG_LINK, "SerDes\n");
299 /* select SerDes */
300 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
301 port*4, 0);
302 }
303
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000304 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
305 EMAC_RX_MODE_RESET);
306 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
307 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700308
309 if (CHIP_REV_IS_SLOW(bp)) {
310 /* config GMII mode */
311 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700312 EMAC_WR(bp, EMAC_REG_EMAC_MODE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700313 (val | EMAC_MODE_PORT_GMII));
314 } else { /* ASIC */
315 /* pause enable/disable */
316 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
317 EMAC_RX_MODE_FLOW_EN);
David S. Millerc0700f92008-12-16 23:53:20 -0800318 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700319 bnx2x_bits_en(bp, emac_base +
320 EMAC_REG_EMAC_RX_MODE,
321 EMAC_RX_MODE_FLOW_EN);
322
323 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700324 (EMAC_TX_MODE_EXT_PAUSE_EN |
325 EMAC_TX_MODE_FLOW_EN));
David S. Millerc0700f92008-12-16 23:53:20 -0800326 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700327 bnx2x_bits_en(bp, emac_base +
328 EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700329 (EMAC_TX_MODE_EXT_PAUSE_EN |
330 EMAC_TX_MODE_FLOW_EN));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700331 }
332
333 /* KEEP_VLAN_TAG, promiscuous */
334 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
335 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700336 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700337
338 /* Set Loopback */
339 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
340 if (lb)
341 val |= 0x810;
342 else
343 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700344 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700345
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000346 /* enable emac */
347 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
348
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700349 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700350 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700351 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
352 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
353
354 /* strip CRC */
355 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
356
357 /* disable the NIG in/out to the bmac */
358 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
359 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
360 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
361
362 /* enable the NIG in/out to the emac */
363 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
364 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800365 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700366 val = 1;
367
368 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
369 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
370
371 if (CHIP_REV_IS_EMUL(bp)) {
372 /* take the BigMac out of reset */
373 REG_WR(bp,
374 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
375 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
376
377 /* enable access for bmac registers */
378 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
Eilon Greenstein6f654972009-08-12 08:23:51 +0000379 } else
380 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700381
382 vars->mac_type = MAC_TYPE_EMAC;
383 return 0;
384}
385
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000386static void bnx2x_update_bmac2(struct link_params *params,
387 struct link_vars *vars,
388 u8 is_lb)
389{
390 /*
391 * Set rx control: Strip CRC and enable BigMAC to relay
392 * control packets to the system as well
393 */
394 u32 wb_data[2];
395 struct bnx2x *bp = params->bp;
396 u32 bmac_addr = params->port ? NIG_REG_INGRESS_BMAC1_MEM :
397 NIG_REG_INGRESS_BMAC0_MEM;
398 u32 val = 0x14;
399
400 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
401 /* Enable BigMAC to react on received Pause packets */
402 val |= (1<<5);
403 wb_data[0] = val;
404 wb_data[1] = 0;
405 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_CONTROL,
406 wb_data, 2);
407 udelay(30);
408
409 /* Tx control */
410 val = 0xc0;
411 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
412 val |= 0x800000;
413 wb_data[0] = val;
414 wb_data[1] = 0;
415 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_CONTROL,
416 wb_data, 2);
417
418 val = 0x8000;
419 wb_data[0] = val;
420 wb_data[1] = 0;
421 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_PAUSE_CONTROL,
422 wb_data, 2);
423
424 /* mac control */
425 val = 0x3; /* Enable RX and TX */
426 if (is_lb) {
427 val |= 0x4; /* Local loopback */
428 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
429 }
430
431 wb_data[0] = val;
432 wb_data[1] = 0;
433 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL,
434 wb_data, 2);
435}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700436
437
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000438static u8 bnx2x_bmac1_enable(struct link_params *params,
439 struct link_vars *vars,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700440 u8 is_lb)
441{
442 struct bnx2x *bp = params->bp;
443 u8 port = params->port;
444 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
445 NIG_REG_INGRESS_BMAC0_MEM;
446 u32 wb_data[2];
447 u32 val;
448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000449 DP(NETIF_MSG_LINK, "Enabling BigMAC1\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700450
451 /* XGXS control */
452 wb_data[0] = 0x3c;
453 wb_data[1] = 0;
454 REG_WR_DMAE(bp, bmac_addr +
455 BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
456 wb_data, 2);
457
458 /* tx MAC SA */
459 wb_data[0] = ((params->mac_addr[2] << 24) |
460 (params->mac_addr[3] << 16) |
461 (params->mac_addr[4] << 8) |
462 params->mac_addr[5]);
463 wb_data[1] = ((params->mac_addr[0] << 8) |
464 params->mac_addr[1]);
465 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR,
466 wb_data, 2);
467
468 /* tx control */
469 val = 0xc0;
David S. Millerc0700f92008-12-16 23:53:20 -0800470 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700471 val |= 0x800000;
472 wb_data[0] = val;
473 wb_data[1] = 0;
474 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL,
475 wb_data, 2);
476
477 /* mac control */
478 val = 0x3;
479 if (is_lb) {
480 val |= 0x4;
481 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
482 }
483 wb_data[0] = val;
484 wb_data[1] = 0;
485 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
486 wb_data, 2);
487
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700488 /* set rx mtu */
489 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
490 wb_data[1] = 0;
491 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE,
492 wb_data, 2);
493
494 /* rx control set to don't strip crc */
495 val = 0x14;
David S. Millerc0700f92008-12-16 23:53:20 -0800496 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700497 val |= 0x20;
498 wb_data[0] = val;
499 wb_data[1] = 0;
500 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL,
501 wb_data, 2);
502
503 /* set tx mtu */
504 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
505 wb_data[1] = 0;
506 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE,
507 wb_data, 2);
508
509 /* set cnt max size */
510 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
511 wb_data[1] = 0;
512 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE,
513 wb_data, 2);
514
515 /* configure safc */
516 wb_data[0] = 0x1000200;
517 wb_data[1] = 0;
518 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
519 wb_data, 2);
520 /* fix for emulation */
521 if (CHIP_REV_IS_EMUL(bp)) {
522 wb_data[0] = 0xf000;
523 wb_data[1] = 0;
524 REG_WR_DMAE(bp,
525 bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
526 wb_data, 2);
527 }
528
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000529
530 return 0;
531}
532
533static u8 bnx2x_bmac2_enable(struct link_params *params,
534 struct link_vars *vars,
535 u8 is_lb)
536{
537 struct bnx2x *bp = params->bp;
538 u8 port = params->port;
539 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
540 NIG_REG_INGRESS_BMAC0_MEM;
541 u32 wb_data[2];
542
543 DP(NETIF_MSG_LINK, "Enabling BigMAC2\n");
544
545 wb_data[0] = 0;
546 wb_data[1] = 0;
547 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_BMAC_CONTROL,
548 wb_data, 2);
549 udelay(30);
550
551 /* XGXS control: Reset phy HW, MDIO registers, PHY PLL and BMAC */
552 wb_data[0] = 0x3c;
553 wb_data[1] = 0;
554 REG_WR_DMAE(bp, bmac_addr +
555 BIGMAC2_REGISTER_BMAC_XGXS_CONTROL,
556 wb_data, 2);
557
558 udelay(30);
559
560 /* tx MAC SA */
561 wb_data[0] = ((params->mac_addr[2] << 24) |
562 (params->mac_addr[3] << 16) |
563 (params->mac_addr[4] << 8) |
564 params->mac_addr[5]);
565 wb_data[1] = ((params->mac_addr[0] << 8) |
566 params->mac_addr[1]);
567 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_SOURCE_ADDR,
568 wb_data, 2);
569
570 udelay(30);
571
572 /* Configure SAFC */
573 wb_data[0] = 0x1000200;
574 wb_data[1] = 0;
575 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_LLFC_MSG_FLDS,
576 wb_data, 2);
577 udelay(30);
578
579 /* set rx mtu */
580 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
581 wb_data[1] = 0;
582 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_RX_MAX_SIZE,
583 wb_data, 2);
584 udelay(30);
585
586 /* set tx mtu */
587 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
588 wb_data[1] = 0;
589 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_TX_MAX_SIZE,
590 wb_data, 2);
591 udelay(30);
592 /* set cnt max size */
593 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD - 2;
594 wb_data[1] = 0;
595 REG_WR_DMAE(bp, bmac_addr + BIGMAC2_REGISTER_CNT_MAX_SIZE,
596 wb_data, 2);
597 udelay(30);
598 bnx2x_update_bmac2(params, vars, is_lb);
599
600 return 0;
601}
602
stephen hemminger8d962862010-10-21 07:50:56 +0000603static u8 bnx2x_bmac_enable(struct link_params *params,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000604 struct link_vars *vars,
605 u8 is_lb)
606{
607 u8 rc, port = params->port;
608 struct bnx2x *bp = params->bp;
609 u32 val;
610 /* reset and unreset the BigMac */
611 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
612 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
Yaniv Rosner1d9c05d2010-11-01 05:32:25 +0000613 msleep(1);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614
615 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
616 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
617
618 /* enable access for bmac registers */
619 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
620
621 /* Enable BMAC according to BMAC type*/
622 if (CHIP_IS_E2(bp))
623 rc = bnx2x_bmac2_enable(params, vars, is_lb);
624 else
625 rc = bnx2x_bmac1_enable(params, vars, is_lb);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700626 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
627 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
628 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
629 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800630 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700631 val = 1;
632 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
633 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
634 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
635 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
636 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
637 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
638
639 vars->mac_type = MAC_TYPE_BMAC;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000640 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700641}
642
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700643
644static void bnx2x_update_mng(struct link_params *params, u32 link_status)
645{
646 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +0000647
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700648 REG_WR(bp, params->shmem_base +
649 offsetof(struct shmem_region,
650 port_mb[params->port].link_status),
651 link_status);
652}
653
654static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
655{
656 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
657 NIG_REG_INGRESS_BMAC0_MEM;
658 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -0700659 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700660
661 /* Only if the bmac is out of reset */
662 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
663 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
664 nig_bmac_enable) {
665
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000666 if (CHIP_IS_E2(bp)) {
667 /* Clear Rx Enable bit in BMAC_CONTROL register */
668 REG_RD_DMAE(bp, bmac_addr +
669 BIGMAC2_REGISTER_BMAC_CONTROL,
670 wb_data, 2);
671 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
672 REG_WR_DMAE(bp, bmac_addr +
673 BIGMAC2_REGISTER_BMAC_CONTROL,
674 wb_data, 2);
675 } else {
676 /* Clear Rx Enable bit in BMAC_CONTROL register */
677 REG_RD_DMAE(bp, bmac_addr +
678 BIGMAC_REGISTER_BMAC_CONTROL,
679 wb_data, 2);
680 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
681 REG_WR_DMAE(bp, bmac_addr +
682 BIGMAC_REGISTER_BMAC_CONTROL,
683 wb_data, 2);
684 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700685 msleep(1);
686 }
687}
688
689static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
690 u32 line_speed)
691{
692 struct bnx2x *bp = params->bp;
693 u8 port = params->port;
694 u32 init_crd, crd;
695 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700696
697 /* disable port */
698 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
699
700 /* wait for init credit */
701 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
702 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
703 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
704
705 while ((init_crd != crd) && count) {
706 msleep(5);
707
708 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
709 count--;
710 }
711 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
712 if (init_crd != crd) {
713 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
714 init_crd, crd);
715 return -EINVAL;
716 }
717
David S. Millerc0700f92008-12-16 23:53:20 -0800718 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700719 line_speed == SPEED_10 ||
720 line_speed == SPEED_100 ||
721 line_speed == SPEED_1000 ||
722 line_speed == SPEED_2500) {
723 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700724 /* update threshold */
725 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
726 /* update init credit */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700727 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700728
729 } else {
730 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
731 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700732 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700733 /* update threshold */
734 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
735 /* update init credit */
736 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700737 case SPEED_10000:
738 init_crd = thresh + 553 - 22;
739 break;
740
741 case SPEED_12000:
742 init_crd = thresh + 664 - 22;
743 break;
744
745 case SPEED_13000:
746 init_crd = thresh + 742 - 22;
747 break;
748
749 case SPEED_16000:
750 init_crd = thresh + 778 - 22;
751 break;
752 default:
753 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
754 line_speed);
755 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700756 }
757 }
758 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
759 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
760 line_speed, init_crd);
761
762 /* probe the credit changes */
763 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
764 msleep(5);
765 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
766
767 /* enable port */
768 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
769 return 0;
770}
771
Yaniv Rosnerc18aa152010-09-07 11:41:07 +0000772static u32 bnx2x_get_emac_base(struct bnx2x *bp,
773 u32 mdc_mdio_access, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700774{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +0000775 u32 emac_base = 0;
776 switch (mdc_mdio_access) {
777 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_PHY_TYPE:
778 break;
779 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC0:
780 if (REG_RD(bp, NIG_REG_PORT_SWAP))
781 emac_base = GRCBASE_EMAC1;
782 else
783 emac_base = GRCBASE_EMAC0;
784 break;
785 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1:
Eilon Greenstein589abe32009-02-12 08:36:55 +0000786 if (REG_RD(bp, NIG_REG_PORT_SWAP))
787 emac_base = GRCBASE_EMAC0;
788 else
789 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700790 break;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +0000791 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH:
792 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
793 break;
794 case SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED:
Eilon Greenstein6378c022008-08-13 15:59:25 -0700795 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700796 break;
797 default:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700798 break;
799 }
800 return emac_base;
801
802}
803
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000804u8 bnx2x_cl45_write(struct bnx2x *bp, struct bnx2x_phy *phy,
805 u8 devad, u16 reg, u16 val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700806{
807 u32 tmp, saved_mode;
808 u8 i, rc = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700809
810 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
811 * (a value of 49==0x31) and make sure that the AUTO poll is off
812 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000813
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000814 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700815 tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
816 EMAC_MDIO_MODE_CLOCK_CNT);
817 tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
818 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000819 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
820 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700821 udelay(40);
822
823 /* address */
824
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000825 tmp = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700826 EMAC_MDIO_COMM_COMMAND_ADDRESS |
827 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000828 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700829
830 for (i = 0; i < 50; i++) {
831 udelay(10);
832
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000833 tmp = REG_RD(bp, phy->mdio_ctrl +
834 EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700835 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
836 udelay(5);
837 break;
838 }
839 }
840 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
841 DP(NETIF_MSG_LINK, "write phy register failed\n");
842 rc = -EFAULT;
843 } else {
844 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000845 tmp = ((phy->addr << 21) | (devad << 16) | val |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700846 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
847 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000848 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700849
850 for (i = 0; i < 50; i++) {
851 udelay(10);
852
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000853 tmp = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700854 EMAC_REG_EMAC_MDIO_COMM);
855 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
856 udelay(5);
857 break;
858 }
859 }
860 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
861 DP(NETIF_MSG_LINK, "write phy register failed\n");
862 rc = -EFAULT;
863 }
864 }
865
866 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000867 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700868
869 return rc;
870}
871
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000872u8 bnx2x_cl45_read(struct bnx2x *bp, struct bnx2x_phy *phy,
873 u8 devad, u16 reg, u16 *ret_val)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700874{
875 u32 val, saved_mode;
876 u16 i;
877 u8 rc = 0;
878
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700879 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
880 * (a value of 49==0x31) and make sure that the AUTO poll is off
881 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000882
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000883 saved_mode = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
884 val = saved_mode & ~((EMAC_MDIO_MODE_AUTO_POLL |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700885 EMAC_MDIO_MODE_CLOCK_CNT));
886 val |= (EMAC_MDIO_MODE_CLAUSE_45 |
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +0000887 (49L << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000888 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
889 REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700890 udelay(40);
891
892 /* address */
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000893 val = ((phy->addr << 21) | (devad << 16) | reg |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700894 EMAC_MDIO_COMM_COMMAND_ADDRESS |
895 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000896 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700897
898 for (i = 0; i < 50; i++) {
899 udelay(10);
900
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000901 val = REG_RD(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700902 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
903 udelay(5);
904 break;
905 }
906 }
907 if (val & EMAC_MDIO_COMM_START_BUSY) {
908 DP(NETIF_MSG_LINK, "read phy register failed\n");
909
910 *ret_val = 0;
911 rc = -EFAULT;
912
913 } else {
914 /* data */
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000915 val = ((phy->addr << 21) | (devad << 16) |
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700916 EMAC_MDIO_COMM_COMMAND_READ_45 |
917 EMAC_MDIO_COMM_START_BUSY);
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000918 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700919
920 for (i = 0; i < 50; i++) {
921 udelay(10);
922
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000923 val = REG_RD(bp, phy->mdio_ctrl +
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700924 EMAC_REG_EMAC_MDIO_COMM);
925 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
926 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
927 break;
928 }
929 }
930 if (val & EMAC_MDIO_COMM_START_BUSY) {
931 DP(NETIF_MSG_LINK, "read phy register failed\n");
932
933 *ret_val = 0;
934 rc = -EFAULT;
935 }
936 }
937
938 /* Restore the saved mode */
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000939 REG_WR(bp, phy->mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700940
941 return rc;
942}
943
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000944u8 bnx2x_phy_read(struct link_params *params, u8 phy_addr,
945 u8 devad, u16 reg, u16 *ret_val)
946{
947 u8 phy_index;
948 /**
949 * Probe for the phy according to the given phy_addr, and execute
950 * the read request on it
951 */
952 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
953 if (params->phy[phy_index].addr == phy_addr) {
954 return bnx2x_cl45_read(params->bp,
955 &params->phy[phy_index], devad,
956 reg, ret_val);
957 }
958 }
959 return -EINVAL;
960}
961
962u8 bnx2x_phy_write(struct link_params *params, u8 phy_addr,
963 u8 devad, u16 reg, u16 val)
964{
965 u8 phy_index;
966 /**
967 * Probe for the phy according to the given phy_addr, and execute
968 * the write request on it
969 */
970 for (phy_index = 0; phy_index < params->num_phys; phy_index++) {
971 if (params->phy[phy_index].addr == phy_addr) {
972 return bnx2x_cl45_write(params->bp,
973 &params->phy[phy_index], devad,
974 reg, val);
975 }
976 }
977 return -EINVAL;
978}
979
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000980static void bnx2x_set_aer_mmd_xgxs(struct link_params *params,
981 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700982{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700983 u32 ser_lane;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000984 u16 offset, aer_val;
985 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700986 ser_lane = ((params->lane_config &
987 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
988 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
989
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000990 offset = phy->addr + ser_lane;
991 if (CHIP_IS_E2(bp))
992 aer_val = 0x2800 + offset - 1;
993 else
994 aer_val = 0x3800 + offset;
Yaniv Rosnere10bc842010-09-07 11:40:50 +0000995 CL45_WR_OVER_CL22(bp, phy,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000996 MDIO_REG_BANK_AER_BLOCK,
997 MDIO_AER_BLOCK_AER_REG, aer_val);
998}
999static void bnx2x_set_aer_mmd_serdes(struct bnx2x *bp,
1000 struct bnx2x_phy *phy)
1001{
1002 CL45_WR_OVER_CL22(bp, phy,
1003 MDIO_REG_BANK_AER_BLOCK,
1004 MDIO_AER_BLOCK_AER_REG, 0x3800);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001005}
1006
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001007/******************************************************************/
1008/* Internal phy section */
1009/******************************************************************/
1010
1011static void bnx2x_set_serdes_access(struct bnx2x *bp, u8 port)
1012{
1013 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
1014
1015 /* Set Clause 22 */
1016 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 1);
1017 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
1018 udelay(500);
1019 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
1020 udelay(500);
1021 /* Set Clause 45 */
1022 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + port*0x10, 0);
1023}
1024
1025static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port)
1026{
1027 u32 val;
1028
1029 DP(NETIF_MSG_LINK, "bnx2x_serdes_deassert\n");
1030
1031 val = SERDES_RESET_BITS << (port*16);
1032
1033 /* reset and unreset the SerDes/XGXS */
1034 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1035 udelay(500);
1036 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1037
1038 bnx2x_set_serdes_access(bp, port);
1039
1040 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
1041 port*0x10,
1042 DEFAULT_PHY_DEV_ADDR);
1043}
1044
1045static void bnx2x_xgxs_deassert(struct link_params *params)
1046{
1047 struct bnx2x *bp = params->bp;
1048 u8 port;
1049 u32 val;
1050 DP(NETIF_MSG_LINK, "bnx2x_xgxs_deassert\n");
1051 port = params->port;
1052
1053 val = XGXS_RESET_BITS << (port*16);
1054
1055 /* reset and unreset the SerDes/XGXS */
1056 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val);
1057 udelay(500);
1058 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val);
1059
1060 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
1061 port*0x18, 0);
1062 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
1063 params->phy[INT_PHY].def_md_devad);
1064}
1065
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001066
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001067void bnx2x_link_status_update(struct link_params *params,
1068 struct link_vars *vars)
1069{
1070 struct bnx2x *bp = params->bp;
1071 u8 link_10g;
1072 u8 port = params->port;
1073
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001074 vars->link_status = REG_RD(bp, params->shmem_base +
1075 offsetof(struct shmem_region,
1076 port_mb[port].link_status));
1077
1078 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
1079
1080 if (vars->link_up) {
1081 DP(NETIF_MSG_LINK, "phy link up\n");
1082
1083 vars->phy_link_up = 1;
1084 vars->duplex = DUPLEX_FULL;
1085 switch (vars->link_status &
1086 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
1087 case LINK_10THD:
1088 vars->duplex = DUPLEX_HALF;
1089 /* fall thru */
1090 case LINK_10TFD:
1091 vars->line_speed = SPEED_10;
1092 break;
1093
1094 case LINK_100TXHD:
1095 vars->duplex = DUPLEX_HALF;
1096 /* fall thru */
1097 case LINK_100T4:
1098 case LINK_100TXFD:
1099 vars->line_speed = SPEED_100;
1100 break;
1101
1102 case LINK_1000THD:
1103 vars->duplex = DUPLEX_HALF;
1104 /* fall thru */
1105 case LINK_1000TFD:
1106 vars->line_speed = SPEED_1000;
1107 break;
1108
1109 case LINK_2500THD:
1110 vars->duplex = DUPLEX_HALF;
1111 /* fall thru */
1112 case LINK_2500TFD:
1113 vars->line_speed = SPEED_2500;
1114 break;
1115
1116 case LINK_10GTFD:
1117 vars->line_speed = SPEED_10000;
1118 break;
1119
1120 case LINK_12GTFD:
1121 vars->line_speed = SPEED_12000;
1122 break;
1123
1124 case LINK_12_5GTFD:
1125 vars->line_speed = SPEED_12500;
1126 break;
1127
1128 case LINK_13GTFD:
1129 vars->line_speed = SPEED_13000;
1130 break;
1131
1132 case LINK_15GTFD:
1133 vars->line_speed = SPEED_15000;
1134 break;
1135
1136 case LINK_16GTFD:
1137 vars->line_speed = SPEED_16000;
1138 break;
1139
1140 default:
1141 break;
1142 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001143 vars->flow_ctrl = 0;
1144 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
1145 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
1146
1147 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
1148 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
1149
1150 if (!vars->flow_ctrl)
1151 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1152
1153 if (vars->line_speed &&
1154 ((vars->line_speed == SPEED_10) ||
1155 (vars->line_speed == SPEED_100))) {
1156 vars->phy_flags |= PHY_SGMII_FLAG;
1157 } else {
1158 vars->phy_flags &= ~PHY_SGMII_FLAG;
1159 }
1160
1161 /* anything 10 and over uses the bmac */
1162 link_10g = ((vars->line_speed == SPEED_10000) ||
1163 (vars->line_speed == SPEED_12000) ||
1164 (vars->line_speed == SPEED_12500) ||
1165 (vars->line_speed == SPEED_13000) ||
1166 (vars->line_speed == SPEED_15000) ||
1167 (vars->line_speed == SPEED_16000));
1168 if (link_10g)
1169 vars->mac_type = MAC_TYPE_BMAC;
1170 else
1171 vars->mac_type = MAC_TYPE_EMAC;
1172
1173 } else { /* link down */
1174 DP(NETIF_MSG_LINK, "phy link down\n");
1175
1176 vars->phy_link_up = 0;
1177
1178 vars->line_speed = 0;
1179 vars->duplex = DUPLEX_FULL;
1180 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
1181
1182 /* indicate no mac active */
1183 vars->mac_type = MAC_TYPE_NONE;
1184 }
1185
1186 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
1187 vars->link_status, vars->phy_link_up);
1188 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
1189 vars->line_speed, vars->duplex, vars->flow_ctrl);
1190}
1191
1192
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001193static void bnx2x_set_master_ln(struct link_params *params,
1194 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001195{
1196 struct bnx2x *bp = params->bp;
1197 u16 new_master_ln, ser_lane;
1198 ser_lane = ((params->lane_config &
1199 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1200 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1201
1202 /* set the master_ln for AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001203 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001204 MDIO_REG_BANK_XGXS_BLOCK2,
1205 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1206 &new_master_ln);
1207
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001208 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001209 MDIO_REG_BANK_XGXS_BLOCK2 ,
1210 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1211 (new_master_ln | ser_lane));
1212}
1213
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001214static u8 bnx2x_reset_unicore(struct link_params *params,
1215 struct bnx2x_phy *phy,
1216 u8 set_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001217{
1218 struct bnx2x *bp = params->bp;
1219 u16 mii_control;
1220 u16 i;
1221
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001222 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001223 MDIO_REG_BANK_COMBO_IEEE0,
1224 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
1225
1226 /* reset the unicore */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001227 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001228 MDIO_REG_BANK_COMBO_IEEE0,
1229 MDIO_COMBO_IEEE0_MII_CONTROL,
1230 (mii_control |
1231 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001232 if (set_serdes)
1233 bnx2x_set_serdes_access(bp, params->port);
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001234
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001235 /* wait for the reset to self clear */
1236 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1237 udelay(5);
1238
1239 /* the reset erased the previous bank value */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001240 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001241 MDIO_REG_BANK_COMBO_IEEE0,
1242 MDIO_COMBO_IEEE0_MII_CONTROL,
1243 &mii_control);
1244
1245 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1246 udelay(5);
1247 return 0;
1248 }
1249 }
1250
1251 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1252 return -EINVAL;
1253
1254}
1255
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001256static void bnx2x_set_swap_lanes(struct link_params *params,
1257 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001258{
1259 struct bnx2x *bp = params->bp;
1260 /* Each two bits represents a lane number:
1261 No swap is 0123 => 0x1b no need to enable the swap */
1262 u16 ser_lane, rx_lane_swap, tx_lane_swap;
1263
1264 ser_lane = ((params->lane_config &
1265 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1266 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1267 rx_lane_swap = ((params->lane_config &
1268 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
1269 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
1270 tx_lane_swap = ((params->lane_config &
1271 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
1272 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
1273
1274 if (rx_lane_swap != 0x1b) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001275 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001276 MDIO_REG_BANK_XGXS_BLOCK2,
1277 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
1278 (rx_lane_swap |
1279 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
1280 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
1281 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001282 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001283 MDIO_REG_BANK_XGXS_BLOCK2,
1284 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
1285 }
1286
1287 if (tx_lane_swap != 0x1b) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001288 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001289 MDIO_REG_BANK_XGXS_BLOCK2,
1290 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
1291 (tx_lane_swap |
1292 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
1293 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001294 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001295 MDIO_REG_BANK_XGXS_BLOCK2,
1296 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
1297 }
1298}
1299
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001300static void bnx2x_set_parallel_detection(struct bnx2x_phy *phy,
1301 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001302{
1303 struct bnx2x *bp = params->bp;
1304 u16 control2;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001305 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001306 MDIO_REG_BANK_SERDES_DIGITAL,
1307 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1308 &control2);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001309 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02001310 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1311 else
1312 control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001313 DP(NETIF_MSG_LINK, "phy->speed_cap_mask = 0x%x, control2 = 0x%x\n",
1314 phy->speed_cap_mask, control2);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001315 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001316 MDIO_REG_BANK_SERDES_DIGITAL,
1317 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1318 control2);
1319
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001320 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001321 (phy->speed_cap_mask &
Yaniv Rosner18afb0a2009-11-05 19:18:04 +02001322 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001323 DP(NETIF_MSG_LINK, "XGXS\n");
1324
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001325 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001326 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1327 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
1328 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
1329
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001330 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001331 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1332 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1333 &control2);
1334
1335
1336 control2 |=
1337 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
1338
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001339 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001340 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1341 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1342 control2);
1343
1344 /* Disable parallel detection of HiG */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001345 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001346 MDIO_REG_BANK_XGXS_BLOCK2,
1347 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
1348 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
1349 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
1350 }
1351}
1352
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001353static void bnx2x_set_autoneg(struct bnx2x_phy *phy,
1354 struct link_params *params,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001355 struct link_vars *vars,
1356 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001357{
1358 struct bnx2x *bp = params->bp;
1359 u16 reg_val;
1360
1361 /* CL37 Autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001362 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001363 MDIO_REG_BANK_COMBO_IEEE0,
1364 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1365
1366 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001367 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001368 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
1369 else /* CL37 Autoneg Disabled */
1370 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1371 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
1372
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001373 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001374 MDIO_REG_BANK_COMBO_IEEE0,
1375 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1376
1377 /* Enable/Disable Autodetection */
1378
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001379 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001380 MDIO_REG_BANK_SERDES_DIGITAL,
1381 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001382 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
1383 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
1384 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001385 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001386 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1387 else
1388 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1389
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001390 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001391 MDIO_REG_BANK_SERDES_DIGITAL,
1392 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
1393
1394 /* Enable TetonII and BAM autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001395 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001396 MDIO_REG_BANK_BAM_NEXT_PAGE,
1397 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1398 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001399 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001400 /* Enable BAM aneg Mode and TetonII aneg Mode */
1401 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1402 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1403 } else {
1404 /* TetonII and BAM Autoneg Disabled */
1405 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1406 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1407 }
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001408 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001409 MDIO_REG_BANK_BAM_NEXT_PAGE,
1410 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1411 reg_val);
1412
Eilon Greenstein239d6862009-08-12 08:23:04 +00001413 if (enable_cl73) {
1414 /* Enable Cl73 FSM status bits */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001415 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001416 MDIO_REG_BANK_CL73_USERB0,
1417 MDIO_CL73_USERB0_CL73_UCTRL,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001418 0xe);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001419
1420 /* Enable BAM Station Manager*/
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001421 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001422 MDIO_REG_BANK_CL73_USERB0,
1423 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
1424 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
1425 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
1426 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
1427
Yaniv Rosner7846e472009-11-05 19:18:07 +02001428 /* Advertise CL73 link speeds */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001429 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001430 MDIO_REG_BANK_CL73_IEEEB1,
1431 MDIO_CL73_IEEEB1_AN_ADV2,
1432 &reg_val);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001433 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02001434 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
1435 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001436 if (phy->speed_cap_mask &
Yaniv Rosner7846e472009-11-05 19:18:07 +02001437 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
1438 reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
Eilon Greenstein239d6862009-08-12 08:23:04 +00001439
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001440 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001441 MDIO_REG_BANK_CL73_IEEEB1,
1442 MDIO_CL73_IEEEB1_AN_ADV2,
1443 reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001444
Eilon Greenstein239d6862009-08-12 08:23:04 +00001445 /* CL73 Autoneg Enabled */
1446 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
1447
1448 } else /* CL73 Autoneg Disabled */
1449 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001450
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001451 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001452 MDIO_REG_BANK_CL73_IEEEB0,
1453 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
1454}
1455
1456/* program SerDes, forced speed */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001457static void bnx2x_program_serdes(struct bnx2x_phy *phy,
1458 struct link_params *params,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001459 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001460{
1461 struct bnx2x *bp = params->bp;
1462 u16 reg_val;
1463
Eilon Greenstein57937202009-08-12 08:23:53 +00001464 /* program duplex, disable autoneg and sgmii*/
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001465 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001466 MDIO_REG_BANK_COMBO_IEEE0,
1467 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1468 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
Eilon Greenstein57937202009-08-12 08:23:53 +00001469 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1470 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK);
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001471 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001472 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001473 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001474 MDIO_REG_BANK_COMBO_IEEE0,
1475 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1476
1477 /* program speed
1478 - needed only if the speed is greater than 1G (2.5G or 10G) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001479 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001480 MDIO_REG_BANK_SERDES_DIGITAL,
1481 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001482 /* clearing the speed value before setting the right speed */
1483 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
1484
1485 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
1486 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
1487
1488 if (!((vars->line_speed == SPEED_1000) ||
1489 (vars->line_speed == SPEED_100) ||
1490 (vars->line_speed == SPEED_10))) {
1491
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001492 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
1493 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001494 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001495 reg_val |=
1496 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001497 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001498 reg_val |=
1499 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001500 }
1501
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001502 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001503 MDIO_REG_BANK_SERDES_DIGITAL,
1504 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001505
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001506}
1507
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001508static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x_phy *phy,
1509 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001510{
1511 struct bnx2x *bp = params->bp;
1512 u16 val = 0;
1513
1514 /* configure the 48 bits for BAM AN */
1515
1516 /* set extended capabilities */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001517 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001518 val |= MDIO_OVER_1G_UP1_2_5G;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001519 if (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001520 val |= MDIO_OVER_1G_UP1_10G;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001521 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001522 MDIO_REG_BANK_OVER_1G,
1523 MDIO_OVER_1G_UP1, val);
1524
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001525 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001526 MDIO_REG_BANK_OVER_1G,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001527 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001528}
1529
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001530static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy,
1531 struct link_params *params, u16 *ieee_fc)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001532{
Yaniv Rosnerd5cb9e92009-11-05 19:18:10 +02001533 struct bnx2x *bp = params->bp;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001534 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001535 /* resolve pause mode and advertisement
1536 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
1537
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001538 switch (phy->req_flow_ctrl) {
David S. Millerc0700f92008-12-16 23:53:20 -08001539 case BNX2X_FLOW_CTRL_AUTO:
1540 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001541 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001542 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
1543 } else {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001544 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001545 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1546 }
1547 break;
David S. Millerc0700f92008-12-16 23:53:20 -08001548 case BNX2X_FLOW_CTRL_TX:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001549 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001550 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1551 break;
1552
David S. Millerc0700f92008-12-16 23:53:20 -08001553 case BNX2X_FLOW_CTRL_RX:
1554 case BNX2X_FLOW_CTRL_BOTH:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001555 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001556 break;
1557
David S. Millerc0700f92008-12-16 23:53:20 -08001558 case BNX2X_FLOW_CTRL_NONE:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001559 default:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001560 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001561 break;
1562 }
Yaniv Rosnerd5cb9e92009-11-05 19:18:10 +02001563 DP(NETIF_MSG_LINK, "ieee_fc = 0x%x\n", *ieee_fc);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001564}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001565
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001566static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x_phy *phy,
1567 struct link_params *params,
Eilon Greenstein1ef70b92009-08-12 08:23:59 +00001568 u16 ieee_fc)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001569{
1570 struct bnx2x *bp = params->bp;
Yaniv Rosner7846e472009-11-05 19:18:07 +02001571 u16 val;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001572 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001573
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001574 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001575 MDIO_REG_BANK_COMBO_IEEE0,
Eilon Greenstein1ef70b92009-08-12 08:23:59 +00001576 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, ieee_fc);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001577 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001578 MDIO_REG_BANK_CL73_IEEEB1,
1579 MDIO_CL73_IEEEB1_AN_ADV1, &val);
1580 val &= ~MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_BOTH;
1581 val |= ((ieee_fc<<3) & MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001582 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001583 MDIO_REG_BANK_CL73_IEEEB1,
1584 MDIO_CL73_IEEEB1_AN_ADV1, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001585}
1586
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001587static void bnx2x_restart_autoneg(struct bnx2x_phy *phy,
1588 struct link_params *params,
1589 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001590{
1591 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001592 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00001593
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001594 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001595 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001596
Eilon Greenstein239d6862009-08-12 08:23:04 +00001597 if (enable_cl73) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001598 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001599 MDIO_REG_BANK_CL73_IEEEB0,
1600 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1601 &mii_control);
1602
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001603 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001604 MDIO_REG_BANK_CL73_IEEEB0,
1605 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1606 (mii_control |
1607 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
1608 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
1609 } else {
1610
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001611 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001612 MDIO_REG_BANK_COMBO_IEEE0,
1613 MDIO_COMBO_IEEE0_MII_CONTROL,
1614 &mii_control);
1615 DP(NETIF_MSG_LINK,
1616 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
1617 mii_control);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001618 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001619 MDIO_REG_BANK_COMBO_IEEE0,
1620 MDIO_COMBO_IEEE0_MII_CONTROL,
1621 (mii_control |
1622 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1623 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
1624 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001625}
1626
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001627static void bnx2x_initialize_sgmii_process(struct bnx2x_phy *phy,
1628 struct link_params *params,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001629 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001630{
1631 struct bnx2x *bp = params->bp;
1632 u16 control1;
1633
1634 /* in SGMII mode, the unicore is always slave */
1635
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001636 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001637 MDIO_REG_BANK_SERDES_DIGITAL,
1638 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1639 &control1);
1640 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
1641 /* set sgmii mode (and not fiber) */
1642 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
1643 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
1644 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001645 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001646 MDIO_REG_BANK_SERDES_DIGITAL,
1647 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1648 control1);
1649
1650 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001651 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001652 /* set speed, disable autoneg */
1653 u16 mii_control;
1654
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001655 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001656 MDIO_REG_BANK_COMBO_IEEE0,
1657 MDIO_COMBO_IEEE0_MII_CONTROL,
1658 &mii_control);
1659 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1660 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
1661 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
1662
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001663 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001664 case SPEED_100:
1665 mii_control |=
1666 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
1667 break;
1668 case SPEED_1000:
1669 mii_control |=
1670 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
1671 break;
1672 case SPEED_10:
1673 /* there is nothing to set for 10M */
1674 break;
1675 default:
1676 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001677 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1678 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001679 break;
1680 }
1681
1682 /* setting the full duplex */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001683 if (phy->req_duplex == DUPLEX_FULL)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001684 mii_control |=
1685 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001686 CL45_WR_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001687 MDIO_REG_BANK_COMBO_IEEE0,
1688 MDIO_COMBO_IEEE0_MII_CONTROL,
1689 mii_control);
1690
1691 } else { /* AN mode */
1692 /* enable and restart AN */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001693 bnx2x_restart_autoneg(phy, params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001694 }
1695}
1696
1697
1698/*
1699 * link management
1700 */
1701
1702static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001703{ /* LD LP */
1704 switch (pause_result) { /* ASYM P ASYM P */
1705 case 0xb: /* 1 0 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001706 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001707 break;
1708
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001709 case 0xe: /* 1 1 1 0 */
David S. Millerc0700f92008-12-16 23:53:20 -08001710 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001711 break;
1712
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001713 case 0x5: /* 0 1 0 1 */
1714 case 0x7: /* 0 1 1 1 */
1715 case 0xd: /* 1 1 0 1 */
1716 case 0xf: /* 1 1 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001717 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001718 break;
1719
1720 default:
1721 break;
1722 }
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001723 if (pause_result & (1<<0))
1724 vars->link_status |= LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE;
1725 if (pause_result & (1<<1))
1726 vars->link_status |= LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001727}
1728
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001729static u8 bnx2x_direct_parallel_detect_used(struct bnx2x_phy *phy,
1730 struct link_params *params)
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02001731{
1732 struct bnx2x *bp = params->bp;
1733 u16 pd_10g, status2_1000x;
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001734 if (phy->req_line_speed != SPEED_AUTO_NEG)
1735 return 0;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001736 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02001737 MDIO_REG_BANK_SERDES_DIGITAL,
1738 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
1739 &status2_1000x);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001740 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02001741 MDIO_REG_BANK_SERDES_DIGITAL,
1742 MDIO_SERDES_DIGITAL_A_1000X_STATUS2,
1743 &status2_1000x);
1744 if (status2_1000x & MDIO_SERDES_DIGITAL_A_1000X_STATUS2_AN_DISABLED) {
1745 DP(NETIF_MSG_LINK, "1G parallel detect link on port %d\n",
1746 params->port);
1747 return 1;
1748 }
1749
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001750 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02001751 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1752 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS,
1753 &pd_10g);
1754
1755 if (pd_10g & MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_STATUS_PD_LINK) {
1756 DP(NETIF_MSG_LINK, "10G parallel detect link on port %d\n",
1757 params->port);
1758 return 1;
1759 }
1760 return 0;
1761}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001762
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001763static void bnx2x_flow_ctrl_resolve(struct bnx2x_phy *phy,
1764 struct link_params *params,
1765 struct link_vars *vars,
1766 u32 gp_status)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001767{
1768 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001769 u16 ld_pause; /* local driver */
1770 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001771 u16 pause_result;
1772
David S. Millerc0700f92008-12-16 23:53:20 -08001773 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001774
1775 /* resolve from gp_status in case of AN complete and not sgmii */
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001776 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
1777 vars->flow_ctrl = phy->req_flow_ctrl;
1778 else if (phy->req_line_speed != SPEED_AUTO_NEG)
1779 vars->flow_ctrl = params->req_fc_auto_adv;
1780 else if ((gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
1781 (!(vars->phy_flags & PHY_SGMII_FLAG))) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001782 if (bnx2x_direct_parallel_detect_used(phy, params)) {
Yaniv Rosner15ddd2d2009-11-05 19:18:12 +02001783 vars->flow_ctrl = params->req_fc_auto_adv;
1784 return;
1785 }
Yaniv Rosner7846e472009-11-05 19:18:07 +02001786 if ((gp_status &
1787 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
1788 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) ==
1789 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE |
1790 MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_MR_LP_NP_AN_ABLE)) {
1791
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001792 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001793 MDIO_REG_BANK_CL73_IEEEB1,
1794 MDIO_CL73_IEEEB1_AN_ADV1,
1795 &ld_pause);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001796 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001797 MDIO_REG_BANK_CL73_IEEEB1,
1798 MDIO_CL73_IEEEB1_AN_LP_ADV1,
1799 &lp_pause);
1800 pause_result = (ld_pause &
1801 MDIO_CL73_IEEEB1_AN_ADV1_PAUSE_MASK)
1802 >> 8;
1803 pause_result |= (lp_pause &
1804 MDIO_CL73_IEEEB1_AN_LP_ADV1_PAUSE_MASK)
1805 >> 10;
1806 DP(NETIF_MSG_LINK, "pause_result CL73 0x%x\n",
1807 pause_result);
1808 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001809 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001810 MDIO_REG_BANK_COMBO_IEEE0,
1811 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
1812 &ld_pause);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001813 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosner7846e472009-11-05 19:18:07 +02001814 MDIO_REG_BANK_COMBO_IEEE0,
1815 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
1816 &lp_pause);
1817 pause_result = (ld_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001818 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
Yaniv Rosner7846e472009-11-05 19:18:07 +02001819 pause_result |= (lp_pause &
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001820 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
Yaniv Rosner7846e472009-11-05 19:18:07 +02001821 DP(NETIF_MSG_LINK, "pause_result CL37 0x%x\n",
1822 pause_result);
1823 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001824 bnx2x_pause_resolve(vars, pause_result);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001825 }
1826 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
1827}
1828
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001829static void bnx2x_check_fallback_to_cl37(struct bnx2x_phy *phy,
1830 struct link_params *params)
Eilon Greenstein239d6862009-08-12 08:23:04 +00001831{
1832 struct bnx2x *bp = params->bp;
1833 u16 rx_status, ustat_val, cl37_fsm_recieved;
1834 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
1835 /* Step 1: Make sure signal is detected */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001836 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001837 MDIO_REG_BANK_RX0,
1838 MDIO_RX0_RX_STATUS,
1839 &rx_status);
1840 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
1841 (MDIO_RX0_RX_STATUS_SIGDET)) {
1842 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
1843 "rx_status(0x80b0) = 0x%x\n", rx_status);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001844 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001845 MDIO_REG_BANK_CL73_IEEEB0,
1846 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1847 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
1848 return;
1849 }
1850 /* Step 2: Check CL73 state machine */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001851 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001852 MDIO_REG_BANK_CL73_USERB0,
1853 MDIO_CL73_USERB0_CL73_USTAT1,
1854 &ustat_val);
1855 if ((ustat_val &
1856 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
1857 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
1858 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
1859 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
1860 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
1861 "ustat_val(0x8371) = 0x%x\n", ustat_val);
1862 return;
1863 }
1864 /* Step 3: Check CL37 Message Pages received to indicate LP
1865 supports only CL37 */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001866 CL45_RD_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001867 MDIO_REG_BANK_REMOTE_PHY,
1868 MDIO_REMOTE_PHY_MISC_RX_STATUS,
1869 &cl37_fsm_recieved);
1870 if ((cl37_fsm_recieved &
1871 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
1872 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
1873 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
1874 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
1875 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
1876 "misc_rx_status(0x8330) = 0x%x\n",
1877 cl37_fsm_recieved);
1878 return;
1879 }
1880 /* The combined cl37/cl73 fsm state information indicating that we are
1881 connected to a device which does not support cl73, but does support
1882 cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
1883 /* Disable CL73 */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001884 CL45_WR_OVER_CL22(bp, phy,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001885 MDIO_REG_BANK_CL73_IEEEB0,
1886 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1887 0);
1888 /* Restart CL37 autoneg */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00001889 bnx2x_restart_autoneg(phy, params, 0);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001890 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
1891}
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001892
1893static void bnx2x_xgxs_an_resolve(struct bnx2x_phy *phy,
1894 struct link_params *params,
1895 struct link_vars *vars,
1896 u32 gp_status)
1897{
1898 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE)
1899 vars->link_status |=
1900 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
1901
1902 if (bnx2x_direct_parallel_detect_used(phy, params))
1903 vars->link_status |=
1904 LINK_STATUS_PARALLEL_DETECTION_USED;
1905}
1906
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00001907static u8 bnx2x_link_settings_status(struct bnx2x_phy *phy,
1908 struct link_params *params,
1909 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001910{
1911 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00001912 u16 new_line_speed , gp_status;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001913 u8 rc = 0;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00001914
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00001915 /* Read gp_status */
1916 CL45_RD_OVER_CL22(bp, phy,
1917 MDIO_REG_BANK_GP_STATUS,
1918 MDIO_GP_STATUS_TOP_AN_STATUS1,
1919 &gp_status);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00001920
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001921 if (phy->req_line_speed == SPEED_AUTO_NEG)
1922 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001923 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
1924 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
1925 gp_status);
1926
1927 vars->phy_link_up = 1;
1928 vars->link_status |= LINK_STATUS_LINK_UP;
1929
1930 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
1931 vars->duplex = DUPLEX_FULL;
1932 else
1933 vars->duplex = DUPLEX_HALF;
1934
Yaniv Rosner7aa07112010-09-07 11:41:01 +00001935 if (SINGLE_MEDIA_DIRECT(params)) {
1936 bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status);
1937 if (phy->req_line_speed == SPEED_AUTO_NEG)
1938 bnx2x_xgxs_an_resolve(phy, params, vars,
1939 gp_status);
1940 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001941
1942 switch (gp_status & GP_STATUS_SPEED_MASK) {
1943 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001944 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001945 if (vars->duplex == DUPLEX_FULL)
1946 vars->link_status |= LINK_10TFD;
1947 else
1948 vars->link_status |= LINK_10THD;
1949 break;
1950
1951 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001952 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001953 if (vars->duplex == DUPLEX_FULL)
1954 vars->link_status |= LINK_100TXFD;
1955 else
1956 vars->link_status |= LINK_100TXHD;
1957 break;
1958
1959 case GP_STATUS_1G:
1960 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001961 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001962 if (vars->duplex == DUPLEX_FULL)
1963 vars->link_status |= LINK_1000TFD;
1964 else
1965 vars->link_status |= LINK_1000THD;
1966 break;
1967
1968 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001969 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001970 if (vars->duplex == DUPLEX_FULL)
1971 vars->link_status |= LINK_2500TFD;
1972 else
1973 vars->link_status |= LINK_2500THD;
1974 break;
1975
1976 case GP_STATUS_5G:
1977 case GP_STATUS_6G:
1978 DP(NETIF_MSG_LINK,
1979 "link speed unsupported gp_status 0x%x\n",
1980 gp_status);
1981 return -EINVAL;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00001982
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001983 case GP_STATUS_10G_KX4:
1984 case GP_STATUS_10G_HIG:
1985 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001986 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001987 vars->link_status |= LINK_10GTFD;
1988 break;
1989
1990 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001991 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001992 vars->link_status |= LINK_12GTFD;
1993 break;
1994
1995 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001996 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001997 vars->link_status |= LINK_12_5GTFD;
1998 break;
1999
2000 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002001 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002002 vars->link_status |= LINK_13GTFD;
2003 break;
2004
2005 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002006 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002007 vars->link_status |= LINK_15GTFD;
2008 break;
2009
2010 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002011 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002012 vars->link_status |= LINK_16GTFD;
2013 break;
2014
2015 default:
2016 DP(NETIF_MSG_LINK,
2017 "link speed unsupported gp_status 0x%x\n",
2018 gp_status);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002019 return -EINVAL;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002020 }
2021
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002022 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002023
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002024 } else { /* link_down */
2025 DP(NETIF_MSG_LINK, "phy link down\n");
2026
2027 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002028
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002029 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08002030 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002031 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00002032
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002033 if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
2034 SINGLE_MEDIA_DIRECT(params)) {
Eilon Greenstein239d6862009-08-12 08:23:04 +00002035 /* Check signal is detected */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002036 bnx2x_check_fallback_to_cl37(phy, params);
Eilon Greenstein239d6862009-08-12 08:23:04 +00002037 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002038 }
2039
Frans Pop2381a552010-03-24 07:57:36 +00002040 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x\n",
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002041 gp_status, vars->phy_link_up, vars->line_speed);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002042 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
2043 vars->duplex, vars->flow_ctrl, vars->link_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002044 return rc;
2045}
2046
Eilon Greensteined8680a2009-02-12 08:37:12 +00002047static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002048{
2049 struct bnx2x *bp = params->bp;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002050 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002051 u16 lp_up2;
2052 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002053 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002054
2055 /* read precomp */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002056 CL45_RD_OVER_CL22(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002057 MDIO_REG_BANK_OVER_1G,
2058 MDIO_OVER_1G_LP_UP2, &lp_up2);
2059
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002060 /* bits [10:7] at lp_up2, positioned at [15:12] */
2061 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
2062 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
2063 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
2064
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002065 if (lp_up2 == 0)
2066 return;
2067
2068 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
2069 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002070 CL45_RD_OVER_CL22(bp, phy,
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002071 bank,
2072 MDIO_TX0_TX_DRIVER, &tx_driver);
2073
2074 /* replace tx_driver bits [15:12] */
2075 if (lp_up2 !=
2076 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
2077 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
2078 tx_driver |= lp_up2;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002079 CL45_WR_OVER_CL22(bp, phy,
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002080 bank,
2081 MDIO_TX0_TX_DRIVER, tx_driver);
2082 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002083 }
2084}
2085
2086static u8 bnx2x_emac_program(struct link_params *params,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002087 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002088{
2089 struct bnx2x *bp = params->bp;
2090 u8 port = params->port;
2091 u16 mode = 0;
2092
2093 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
2094 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
2095 EMAC_REG_EMAC_MODE,
2096 (EMAC_MODE_25G_MODE |
2097 EMAC_MODE_PORT_MII_10M |
2098 EMAC_MODE_HALF_DUPLEX));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002099 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002100 case SPEED_10:
2101 mode |= EMAC_MODE_PORT_MII_10M;
2102 break;
2103
2104 case SPEED_100:
2105 mode |= EMAC_MODE_PORT_MII;
2106 break;
2107
2108 case SPEED_1000:
2109 mode |= EMAC_MODE_PORT_GMII;
2110 break;
2111
2112 case SPEED_2500:
2113 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
2114 break;
2115
2116 default:
2117 /* 10G not valid for EMAC */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002118 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
2119 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002120 return -EINVAL;
2121 }
2122
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002123 if (vars->duplex == DUPLEX_HALF)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002124 mode |= EMAC_MODE_HALF_DUPLEX;
2125 bnx2x_bits_en(bp,
2126 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
2127 mode);
2128
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002129 bnx2x_set_led(params, vars, LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002130 return 0;
2131}
2132
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002133static void bnx2x_set_preemphasis(struct bnx2x_phy *phy,
2134 struct link_params *params)
2135{
2136
2137 u16 bank, i = 0;
2138 struct bnx2x *bp = params->bp;
2139
2140 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
2141 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
2142 CL45_WR_OVER_CL22(bp, phy,
2143 bank,
2144 MDIO_RX0_RX_EQ_BOOST,
2145 phy->rx_preemphasis[i]);
2146 }
2147
2148 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
2149 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
2150 CL45_WR_OVER_CL22(bp, phy,
2151 bank,
2152 MDIO_TX0_TX_DRIVER,
2153 phy->tx_preemphasis[i]);
2154 }
2155}
2156
2157static void bnx2x_init_internal_phy(struct bnx2x_phy *phy,
2158 struct link_params *params,
2159 struct link_vars *vars)
2160{
2161 struct bnx2x *bp = params->bp;
2162 u8 enable_cl73 = (SINGLE_MEDIA_DIRECT(params) ||
2163 (params->loopback_mode == LOOPBACK_XGXS));
2164 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
2165 if (SINGLE_MEDIA_DIRECT(params) &&
2166 (params->feature_config_flags &
2167 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
2168 bnx2x_set_preemphasis(phy, params);
2169
2170 /* forced speed requested? */
2171 if (vars->line_speed != SPEED_AUTO_NEG ||
2172 (SINGLE_MEDIA_DIRECT(params) &&
2173 params->loopback_mode == LOOPBACK_EXT)) {
2174 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
2175
2176 /* disable autoneg */
2177 bnx2x_set_autoneg(phy, params, vars, 0);
2178
2179 /* program speed and duplex */
2180 bnx2x_program_serdes(phy, params, vars);
2181
2182 } else { /* AN_mode */
2183 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
2184
2185 /* AN enabled */
2186 bnx2x_set_brcm_cl37_advertisment(phy, params);
2187
2188 /* program duplex & pause advertisement (for aneg) */
2189 bnx2x_set_ieee_aneg_advertisment(phy, params,
2190 vars->ieee_fc);
2191
2192 /* enable autoneg */
2193 bnx2x_set_autoneg(phy, params, vars, enable_cl73);
2194
2195 /* enable and restart AN */
2196 bnx2x_restart_autoneg(phy, params, enable_cl73);
2197 }
2198
2199 } else { /* SGMII mode */
2200 DP(NETIF_MSG_LINK, "SGMII\n");
2201
2202 bnx2x_initialize_sgmii_process(phy, params, vars);
2203 }
2204}
2205
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002206static u8 bnx2x_init_serdes(struct bnx2x_phy *phy,
2207 struct link_params *params,
2208 struct link_vars *vars)
2209{
2210 u8 rc;
2211 vars->phy_flags |= PHY_SGMII_FLAG;
2212 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002213 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002214 rc = bnx2x_reset_unicore(params, phy, 1);
2215 /* reset the SerDes and wait for reset bit return low */
2216 if (rc != 0)
2217 return rc;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002218 bnx2x_set_aer_mmd_serdes(params->bp, phy);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002219
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002220 return rc;
2221}
2222
2223static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
2224 struct link_params *params,
2225 struct link_vars *vars)
2226{
2227 u8 rc;
2228 vars->phy_flags = PHY_XGXS_FLAG;
2229 if ((phy->req_line_speed &&
2230 ((phy->req_line_speed == SPEED_100) ||
2231 (phy->req_line_speed == SPEED_10))) ||
2232 (!phy->req_line_speed &&
2233 (phy->speed_cap_mask >=
2234 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
2235 (phy->speed_cap_mask <
2236 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
2237 ))
2238 vars->phy_flags |= PHY_SGMII_FLAG;
2239 else
2240 vars->phy_flags &= ~PHY_SGMII_FLAG;
2241
2242 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002244 bnx2x_set_master_ln(params, phy);
2245
2246 rc = bnx2x_reset_unicore(params, phy, 0);
2247 /* reset the SerDes and wait for reset bit return low */
2248 if (rc != 0)
2249 return rc;
2250
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002251 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002252
2253 /* setting the masterLn_def again after the reset */
2254 bnx2x_set_master_ln(params, phy);
2255 bnx2x_set_swap_lanes(params, phy);
2256
2257 return rc;
2258}
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002259
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002260static u16 bnx2x_wait_reset_complete(struct bnx2x *bp,
2261 struct bnx2x_phy *phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002262{
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002263 u16 cnt, ctrl;
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002264 /* Wait for soft reset to get cleared upto 1 sec */
2265 for (cnt = 0; cnt < 1000; cnt++) {
2266 bnx2x_cl45_read(bp, phy,
2267 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, &ctrl);
2268 if (!(ctrl & (1<<15)))
2269 break;
2270 msleep(1);
2271 }
2272 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n", ctrl, cnt);
2273 return cnt;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002274}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002275
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002276static void bnx2x_link_int_enable(struct link_params *params)
2277{
2278 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002279 u32 mask;
2280 struct bnx2x *bp = params->bp;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002281
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002282 /* setting the status to report on link up
2283 for either XGXS or SerDes */
2284
2285 if (params->switch_cfg == SWITCH_CFG_10G) {
2286 mask = (NIG_MASK_XGXS0_LINK10G |
2287 NIG_MASK_XGXS0_LINK_STATUS);
2288 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002289 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2290 params->phy[INT_PHY].type !=
2291 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002292 mask |= NIG_MASK_MI_INT;
2293 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2294 }
2295
2296 } else { /* SerDes */
2297 mask = NIG_MASK_SERDES0_LINK_STATUS;
2298 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002299 if (!(SINGLE_MEDIA_DIRECT(params)) &&
2300 params->phy[INT_PHY].type !=
2301 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002302 mask |= NIG_MASK_MI_INT;
2303 DP(NETIF_MSG_LINK, "enabled external phy int\n");
2304 }
2305 }
2306 bnx2x_bits_en(bp,
2307 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
2308 mask);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002309
2310 DP(NETIF_MSG_LINK, "port %x, is_xgxs %x, int_status 0x%x\n", port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002311 (params->switch_cfg == SWITCH_CFG_10G),
2312 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002313 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
2314 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
2315 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
2316 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
2317 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
2318 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
2319 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
2320}
2321
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002322static void bnx2x_rearm_latch_signal(struct bnx2x *bp, u8 port,
2323 u8 exp_mi_int)
Eilon Greenstein2f904462009-08-12 08:22:16 +00002324{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002325 u32 latch_status = 0;
2326
2327 /**
2328 * Disable the MI INT ( external phy int ) by writing 1 to the
2329 * status register. Link down indication is high-active-signal,
2330 * so in this case we need to write the status to clear the XOR
Eilon Greenstein2f904462009-08-12 08:22:16 +00002331 */
2332 /* Read Latched signals */
2333 latch_status = REG_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002334 NIG_REG_LATCH_STATUS_0 + port*8);
2335 DP(NETIF_MSG_LINK, "latch_status = 0x%x\n", latch_status);
Eilon Greenstein2f904462009-08-12 08:22:16 +00002336 /* Handle only those with latched-signal=up.*/
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002337 if (exp_mi_int)
2338 bnx2x_bits_en(bp,
2339 NIG_REG_STATUS_INTERRUPT_PORT0
2340 + port*4,
2341 NIG_STATUS_EMAC0_MI_INT);
2342 else
2343 bnx2x_bits_dis(bp,
2344 NIG_REG_STATUS_INTERRUPT_PORT0
2345 + port*4,
2346 NIG_STATUS_EMAC0_MI_INT);
2347
Eilon Greenstein2f904462009-08-12 08:22:16 +00002348 if (latch_status & 1) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002349
Eilon Greenstein2f904462009-08-12 08:22:16 +00002350 /* For all latched-signal=up : Re-Arm Latch signals */
2351 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002352 (latch_status & 0xfffe) | (latch_status & 1));
Eilon Greenstein2f904462009-08-12 08:22:16 +00002353 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002354 /* For all latched-signal=up,Write original_signal to status */
Eilon Greenstein2f904462009-08-12 08:22:16 +00002355}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002356
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002357static void bnx2x_link_int_ack(struct link_params *params,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002358 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002359{
2360 struct bnx2x *bp = params->bp;
2361 u8 port = params->port;
2362
2363 /* first reset all status
2364 * we assume only one line will be change at a time */
2365 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2366 (NIG_STATUS_XGXS0_LINK10G |
2367 NIG_STATUS_XGXS0_LINK_STATUS |
2368 NIG_STATUS_SERDES0_LINK_STATUS));
2369 if (vars->phy_link_up) {
2370 if (is_10g) {
2371 /* Disable the 10G link interrupt
2372 * by writing 1 to the status register
2373 */
2374 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
2375 bnx2x_bits_en(bp,
2376 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2377 NIG_STATUS_XGXS0_LINK10G);
2378
2379 } else if (params->switch_cfg == SWITCH_CFG_10G) {
2380 /* Disable the link interrupt
2381 * by writing 1 to the relevant lane
2382 * in the status register
2383 */
2384 u32 ser_lane = ((params->lane_config &
2385 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
2386 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
2387
Eilon Greenstein2f904462009-08-12 08:22:16 +00002388 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
2389 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002390 bnx2x_bits_en(bp,
2391 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2392 ((1 << ser_lane) <<
2393 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
2394
2395 } else { /* SerDes */
2396 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
2397 /* Disable the link interrupt
2398 * by writing 1 to the status register
2399 */
2400 bnx2x_bits_en(bp,
2401 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
2402 NIG_STATUS_SERDES0_LINK_STATUS);
2403 }
2404
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002405 }
2406}
2407
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002408static u8 bnx2x_format_ver(u32 num, u8 *str, u16 *len)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002409{
2410 u8 *str_ptr = str;
2411 u32 mask = 0xf0000000;
2412 u8 shift = 8*4;
2413 u8 digit;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002414 u8 remove_leading_zeros = 1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002415 if (*len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02002416 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002417 *str_ptr = '\0';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002418 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002419 return -EINVAL;
2420 }
2421 while (shift > 0) {
2422
2423 shift -= 4;
2424 digit = ((num & mask) >> shift);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002425 if (digit == 0 && remove_leading_zeros) {
2426 mask = mask >> 4;
2427 continue;
2428 } else if (digit < 0xa)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002429 *str_ptr = digit + '0';
2430 else
2431 *str_ptr = digit - 0xa + 'a';
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002432 remove_leading_zeros = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002433 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002434 (*len)--;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002435 mask = mask >> 4;
2436 if (shift == 4*4) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002437 *str_ptr = '.';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002438 str_ptr++;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002439 (*len)--;
2440 remove_leading_zeros = 1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002441 }
2442 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002443 return 0;
2444}
2445
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002446
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002447static u8 bnx2x_null_format_ver(u32 spirom_ver, u8 *str, u16 *len)
2448{
2449 str[0] = '\0';
2450 (*len)--;
2451 return 0;
2452}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002453
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002454u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
2455 u8 *version, u16 len)
2456{
Julia Lawall0376d5b2009-07-19 05:26:35 +00002457 struct bnx2x *bp;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002458 u32 spirom_ver = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002459 u8 status = 0;
2460 u8 *ver_p = version;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002461 u16 remain_len = len;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002462 if (version == NULL || params == NULL)
2463 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00002464 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002465
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002466 /* Extract first external phy*/
2467 version[0] = '\0';
2468 spirom_ver = REG_RD(bp, params->phy[EXT_PHY1].ver_addr);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002469
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002470 if (params->phy[EXT_PHY1].format_fw_ver) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002471 status |= params->phy[EXT_PHY1].format_fw_ver(spirom_ver,
2472 ver_p,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002473 &remain_len);
2474 ver_p += (len - remain_len);
2475 }
2476 if ((params->num_phys == MAX_PHYS) &&
2477 (params->phy[EXT_PHY2].ver_addr != 0)) {
2478 spirom_ver = REG_RD(bp,
2479 params->phy[EXT_PHY2].ver_addr);
2480 if (params->phy[EXT_PHY2].format_fw_ver) {
2481 *ver_p = '/';
2482 ver_p++;
2483 remain_len--;
2484 status |= params->phy[EXT_PHY2].format_fw_ver(
2485 spirom_ver,
2486 ver_p,
2487 &remain_len);
2488 ver_p = version + (len - remain_len);
2489 }
2490 }
2491 *ver_p = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002492 return status;
2493}
2494
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002495static void bnx2x_set_xgxs_loopback(struct bnx2x_phy *phy,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002496 struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002497{
2498 u8 port = params->port;
2499 struct bnx2x *bp = params->bp;
2500
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002501 if (phy->req_line_speed != SPEED_1000) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07002502 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002503
2504 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
2505
2506 /* change the uni_phy_addr in the nig */
2507 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
2508 port*0x18));
2509
2510 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
2511
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002512 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002513 5,
2514 (MDIO_REG_BANK_AER_BLOCK +
2515 (MDIO_AER_BLOCK_AER_REG & 0xf)),
2516 0x2800);
2517
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002518 bnx2x_cl45_write(bp, phy,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002519 5,
2520 (MDIO_REG_BANK_CL73_IEEEB0 +
2521 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
2522 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00002523 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002524 /* set aer mmd back */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002525 bnx2x_set_aer_mmd_xgxs(params, phy);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002526
2527 /* and md_devad */
2528 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
2529 md_devad);
2530
2531 } else {
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002532 u16 mii_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002533 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002534 bnx2x_cl45_read(bp, phy, 5,
2535 (MDIO_REG_BANK_COMBO_IEEE0 +
2536 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
2537 &mii_ctrl);
2538 bnx2x_cl45_write(bp, phy, 5,
2539 (MDIO_REG_BANK_COMBO_IEEE0 +
2540 (MDIO_COMBO_IEEE0_MII_CONTROL & 0xf)),
2541 mii_ctrl |
2542 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002543 }
2544}
2545
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002546u8 bnx2x_set_led(struct link_params *params,
2547 struct link_vars *vars, u8 mode, u32 speed)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002548{
Yaniv Rosner7846e472009-11-05 19:18:07 +02002549 u8 port = params->port;
2550 u16 hw_led_mode = params->hw_led_mode;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002551 u8 rc = 0, phy_idx;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07002552 u32 tmp;
2553 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosner7846e472009-11-05 19:18:07 +02002554 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002555 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
2556 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
2557 speed, hw_led_mode);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002558 /* In case */
2559 for (phy_idx = EXT_PHY1; phy_idx < MAX_PHYS; phy_idx++) {
2560 if (params->phy[phy_idx].set_link_led) {
2561 params->phy[phy_idx].set_link_led(
2562 &params->phy[phy_idx], params, mode);
2563 }
2564 }
2565
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002566 switch (mode) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002567 case LED_MODE_FRONT_PANEL_OFF:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002568 case LED_MODE_OFF:
2569 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
2570 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
2571 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07002572
2573 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07002574 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002575 break;
2576
2577 case LED_MODE_OPER:
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002578 /**
2579 * For all other phys, OPER mode is same as ON, so in case
2580 * link is down, do nothing
2581 **/
2582 if (!vars->link_up)
2583 break;
2584 case LED_MODE_ON:
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002585 if (SINGLE_MEDIA_DIRECT(params)) {
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002586 /**
2587 * This is a work-around for HW issue found when link
2588 * is up in CL73
2589 */
Yaniv Rosner7846e472009-11-05 19:18:07 +02002590 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, 0);
2591 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1);
2592 } else {
2593 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
2594 hw_led_mode);
2595 }
2596
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002597 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
2598 port*4, 0);
2599 /* Set blinking rate to ~15.9Hz */
2600 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
2601 LED_BLINK_RATE_VAL);
2602 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
2603 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07002604 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07002605 EMAC_WR(bp, EMAC_REG_EMAC_LED,
Eilon Greenstein345b5d52008-08-13 15:58:12 -07002606 (tmp & (~EMAC_LED_OVERRIDE)));
2607
Yaniv Rosner7846e472009-11-05 19:18:07 +02002608 if (CHIP_IS_E1(bp) &&
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002609 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002610 (speed == SPEED_1000) ||
2611 (speed == SPEED_100) ||
2612 (speed == SPEED_10))) {
2613 /* On Everest 1 Ax chip versions for speeds less than
2614 10G LED scheme is different */
2615 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
2616 + port*4, 1);
2617 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
2618 port*4, 0);
2619 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
2620 port*4, 1);
2621 }
2622 break;
2623
2624 default:
2625 rc = -EINVAL;
2626 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
2627 mode);
2628 break;
2629 }
2630 return rc;
2631
2632}
2633
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002634/**
2635 * This function comes to reflect the actual link state read DIRECTLY from the
2636 * HW
2637 */
2638u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars,
2639 u8 is_serdes)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002640{
2641 struct bnx2x *bp = params->bp;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002642 u16 gp_status = 0, phy_index = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002643 u8 ext_phy_link_up = 0, serdes_phy_type;
2644 struct link_vars temp_vars;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002645
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002646 CL45_RD_OVER_CL22(bp, &params->phy[INT_PHY],
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002647 MDIO_REG_BANK_GP_STATUS,
2648 MDIO_GP_STATUS_TOP_AN_STATUS1,
2649 &gp_status);
2650 /* link is up only if both local phy and external phy are up */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002651 if (!(gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS))
2652 return -ESRCH;
2653
2654 switch (params->num_phys) {
2655 case 1:
2656 /* No external PHY */
2657 return 0;
2658 case 2:
2659 ext_phy_link_up = params->phy[EXT_PHY1].read_status(
2660 &params->phy[EXT_PHY1],
2661 params, &temp_vars);
2662 break;
2663 case 3: /* Dual Media */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002664 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
2665 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002666 serdes_phy_type = ((params->phy[phy_index].media_type ==
2667 ETH_PHY_SFP_FIBER) ||
2668 (params->phy[phy_index].media_type ==
2669 ETH_PHY_XFP_FIBER));
2670
2671 if (is_serdes != serdes_phy_type)
2672 continue;
2673 if (params->phy[phy_index].read_status) {
2674 ext_phy_link_up |=
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002675 params->phy[phy_index].read_status(
2676 &params->phy[phy_index],
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002677 params, &temp_vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002678 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002679 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002680 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002681 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002682 if (ext_phy_link_up)
2683 return 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002684 return -ESRCH;
2685}
2686
2687static u8 bnx2x_link_initialize(struct link_params *params,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002688 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002689{
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002690 u8 rc = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002691 u8 phy_index, non_ext_phy;
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002692 struct bnx2x *bp = params->bp;
2693 /**
2694 * In case of external phy existence, the line speed would be the
2695 * line speed linked up by the external phy. In case it is direct
2696 * only, then the line_speed during initialization will be
2697 * equal to the req_line_speed
2698 */
2699 vars->line_speed = params->phy[INT_PHY].req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002700
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002701 /**
2702 * Initialize the internal phy in case this is a direct board
2703 * (no external phys), or this board has external phy which requires
2704 * to first.
2705 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002706
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002707 if (params->phy[INT_PHY].config_init)
2708 params->phy[INT_PHY].config_init(
2709 &params->phy[INT_PHY],
2710 params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002711
2712 /* init ext phy and enable link state int */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002713 non_ext_phy = (SINGLE_MEDIA_DIRECT(params) ||
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002714 (params->loopback_mode == LOOPBACK_XGXS));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002715
2716 if (non_ext_phy ||
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002717 (params->phy[EXT_PHY1].flags & FLAGS_INIT_XGXS_FIRST) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00002718 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002719 struct bnx2x_phy *phy = &params->phy[INT_PHY];
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002720 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002721 bnx2x_set_parallel_detection(phy, params);
2722 bnx2x_init_internal_phy(phy, params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002723 }
2724
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00002725 /* Init external phy*/
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002726 if (!non_ext_phy)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002727 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
2728 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002729 /**
2730 * No need to initialize second phy in case of first
2731 * phy only selection. In case of second phy, we do
2732 * need to initialize the first phy, since they are
2733 * connected.
2734 **/
2735 if (phy_index == EXT_PHY2 &&
2736 (bnx2x_phy_selection(params) ==
2737 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY)) {
2738 DP(NETIF_MSG_LINK, "Not initializing"
2739 "second phy\n");
2740 continue;
2741 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002742 params->phy[phy_index].config_init(
2743 &params->phy[phy_index],
2744 params, vars);
2745 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002746
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002747 /* Reset the interrupt indication after phy was initialized */
2748 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
2749 params->port*4,
2750 (NIG_STATUS_XGXS0_LINK10G |
2751 NIG_STATUS_XGXS0_LINK_STATUS |
2752 NIG_STATUS_SERDES0_LINK_STATUS |
2753 NIG_MASK_MI_INT));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002754 return rc;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002755}
2756
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002757static void bnx2x_int_link_reset(struct bnx2x_phy *phy,
2758 struct link_params *params)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002759{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00002760 /* reset the SerDes/XGXS */
2761 REG_WR(params->bp, GRCBASE_MISC +
2762 MISC_REGISTERS_RESET_REG_3_CLEAR,
2763 (0x1ff << (params->port*16)));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002764}
2765
2766static void bnx2x_common_ext_link_reset(struct bnx2x_phy *phy,
2767 struct link_params *params)
2768{
2769 struct bnx2x *bp = params->bp;
2770 u8 gpio_port;
2771 /* HW reset */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002772 if (CHIP_IS_E2(bp))
2773 gpio_port = BP_PATH(bp);
2774 else
2775 gpio_port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002776 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2777 MISC_REGISTERS_GPIO_OUTPUT_LOW,
2778 gpio_port);
2779 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2780 MISC_REGISTERS_GPIO_OUTPUT_LOW,
2781 gpio_port);
2782 DP(NETIF_MSG_LINK, "reset external PHY\n");
2783}
2784
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002785static u8 bnx2x_update_link_down(struct link_params *params,
2786 struct link_vars *vars)
2787{
2788 struct bnx2x *bp = params->bp;
2789 u8 port = params->port;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002790
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002791 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002792 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002793
2794 /* indicate no mac active */
2795 vars->mac_type = MAC_TYPE_NONE;
2796
2797 /* update shared memory */
2798 vars->link_status = 0;
2799 vars->line_speed = 0;
2800 bnx2x_update_mng(params, vars->link_status);
2801
2802 /* activate nig drain */
2803 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
2804
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002805 /* disable emac */
2806 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
2807
2808 msleep(10);
2809
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002810 /* reset BigMac */
2811 bnx2x_bmac_rx_disable(bp, params->port);
2812 REG_WR(bp, GRCBASE_MISC +
2813 MISC_REGISTERS_RESET_REG_2_CLEAR,
2814 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
2815 return 0;
2816}
2817
2818static u8 bnx2x_update_link_up(struct link_params *params,
2819 struct link_vars *vars,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002820 u8 link_10g)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002821{
2822 struct bnx2x *bp = params->bp;
2823 u8 port = params->port;
2824 u8 rc = 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002825
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002826 vars->link_status |= LINK_STATUS_LINK_UP;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002827
Yaniv Rosner7aa07112010-09-07 11:41:01 +00002828 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
2829 vars->link_status |=
2830 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
2831
2832 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
2833 vars->link_status |=
2834 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002835
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002836 if (link_10g) {
2837 bnx2x_bmac_enable(params, vars, 0);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00002838 bnx2x_set_led(params, vars,
2839 LED_MODE_OPER, SPEED_10000);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002840 } else {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002841 rc = bnx2x_emac_program(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002842
Yaniv Rosner0c786f02009-11-05 19:18:32 +02002843 bnx2x_emac_enable(params, vars, 0);
2844
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002845 /* AN complete? */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00002846 if ((vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE)
2847 && (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
2848 SINGLE_MEDIA_DIRECT(params))
2849 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002850 }
2851
2852 /* PBF - link up */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002853 if (!(CHIP_IS_E2(bp)))
2854 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
2855 vars->line_speed);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002856
2857 /* disable drain */
2858 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
2859
2860 /* update shared memory */
2861 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002862 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002863 return rc;
2864}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002865/**
2866 * The bnx2x_link_update function should be called upon link
2867 * interrupt.
2868 * Link is considered up as follows:
2869 * - DIRECT_SINGLE_MEDIA - Only XGXS link (internal link) needs
2870 * to be up
2871 * - SINGLE_MEDIA - The link between the 577xx and the external
2872 * phy (XGXS) need to up as well as the external link of the
2873 * phy (PHY_EXT1)
2874 * - DUAL_MEDIA - The link between the 577xx and the first
2875 * external phy needs to be up, and at least one of the 2
2876 * external phy link must be up.
Yaniv Rosner62b29a52010-09-07 11:40:58 +00002877 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002878u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
2879{
2880 struct bnx2x *bp = params->bp;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002881 struct link_vars phy_vars[MAX_PHYS];
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002882 u8 port = params->port;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002883 u8 link_10g, phy_index;
2884 u8 ext_phy_link_up = 0, cur_link_up, rc = 0;
Eilon Greenstein2f904462009-08-12 08:22:16 +00002885 u8 is_mi_int = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002886 u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed;
2887 u8 active_external_phy = INT_PHY;
2888 vars->link_status = 0;
2889 for (phy_index = INT_PHY; phy_index < params->num_phys;
2890 phy_index++) {
2891 phy_vars[phy_index].flow_ctrl = 0;
2892 phy_vars[phy_index].link_status = 0;
2893 phy_vars[phy_index].line_speed = 0;
2894 phy_vars[phy_index].duplex = DUPLEX_FULL;
2895 phy_vars[phy_index].phy_link_up = 0;
2896 phy_vars[phy_index].link_up = 0;
2897 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002898
2899 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00002900 port, (vars->phy_flags & PHY_XGXS_FLAG),
2901 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002902
Eilon Greenstein2f904462009-08-12 08:22:16 +00002903 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
2904 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002905 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00002906 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
2907 is_mi_int,
2908 REG_RD(bp,
2909 NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002910
2911 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
2912 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
2913 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
2914
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00002915 /* disable emac */
2916 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
2917
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002918 /**
2919 * Step 1:
2920 * Check external link change only for external phys, and apply
2921 * priority selection between them in case the link on both phys
2922 * is up. Note that the instead of the common vars, a temporary
2923 * vars argument is used since each phy may have different link/
2924 * speed/duplex result
2925 */
2926 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
2927 phy_index++) {
2928 struct bnx2x_phy *phy = &params->phy[phy_index];
2929 if (!phy->read_status)
2930 continue;
2931 /* Read link status and params of this ext phy */
2932 cur_link_up = phy->read_status(phy, params,
2933 &phy_vars[phy_index]);
2934 if (cur_link_up) {
2935 DP(NETIF_MSG_LINK, "phy in index %d link is up\n",
2936 phy_index);
2937 } else {
2938 DP(NETIF_MSG_LINK, "phy in index %d link is down\n",
2939 phy_index);
2940 continue;
2941 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002942
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002943 if (!ext_phy_link_up) {
2944 ext_phy_link_up = 1;
2945 active_external_phy = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002946 } else {
2947 switch (bnx2x_phy_selection(params)) {
2948 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
2949 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
2950 /**
2951 * In this option, the first PHY makes sure to pass the
2952 * traffic through itself only.
2953 * Its not clear how to reset the link on the second phy
2954 **/
2955 active_external_phy = EXT_PHY1;
2956 break;
2957 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
2958 /**
2959 * In this option, the first PHY makes sure to pass the
2960 * traffic through the second PHY.
2961 **/
2962 active_external_phy = EXT_PHY2;
2963 break;
2964 default:
2965 /**
2966 * Link indication on both PHYs with the following cases
2967 * is invalid:
2968 * - FIRST_PHY means that second phy wasn't initialized,
2969 * hence its link is expected to be down
2970 * - SECOND_PHY means that first phy should not be able
2971 * to link up by itself (using configuration)
2972 * - DEFAULT should be overriden during initialiazation
2973 **/
2974 DP(NETIF_MSG_LINK, "Invalid link indication"
2975 "mpc=0x%x. DISABLING LINK !!!\n",
2976 params->multi_phy_config);
2977 ext_phy_link_up = 0;
2978 break;
2979 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002980 }
2981 }
2982 prev_line_speed = vars->line_speed;
2983 /**
2984 * Step 2:
2985 * Read the status of the internal phy. In case of
2986 * DIRECT_SINGLE_MEDIA board, this link is the external link,
2987 * otherwise this is the link between the 577xx and the first
2988 * external phy
2989 */
2990 if (params->phy[INT_PHY].read_status)
2991 params->phy[INT_PHY].read_status(
2992 &params->phy[INT_PHY],
2993 params, vars);
2994 /**
2995 * The INT_PHY flow control reside in the vars. This include the
2996 * case where the speed or flow control are not set to AUTO.
2997 * Otherwise, the active external phy flow control result is set
2998 * to the vars. The ext_phy_line_speed is needed to check if the
2999 * speed is different between the internal phy and external phy.
3000 * This case may be result of intermediate link speed change.
3001 */
3002 if (active_external_phy > INT_PHY) {
3003 vars->flow_ctrl = phy_vars[active_external_phy].flow_ctrl;
3004 /**
3005 * Link speed is taken from the XGXS. AN and FC result from
3006 * the external phy.
3007 */
3008 vars->link_status |= phy_vars[active_external_phy].link_status;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003009
3010 /**
3011 * if active_external_phy is first PHY and link is up - disable
3012 * disable TX on second external PHY
3013 */
3014 if (active_external_phy == EXT_PHY1) {
3015 if (params->phy[EXT_PHY2].phy_specific_func) {
3016 DP(NETIF_MSG_LINK, "Disabling TX on"
3017 " EXT_PHY2\n");
3018 params->phy[EXT_PHY2].phy_specific_func(
3019 &params->phy[EXT_PHY2],
3020 params, DISABLE_TX);
3021 }
3022 }
3023
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003024 ext_phy_line_speed = phy_vars[active_external_phy].line_speed;
3025 vars->duplex = phy_vars[active_external_phy].duplex;
3026 if (params->phy[active_external_phy].supported &
3027 SUPPORTED_FIBRE)
3028 vars->link_status |= LINK_STATUS_SERDES_LINK;
3029 DP(NETIF_MSG_LINK, "Active external phy selected: %x\n",
3030 active_external_phy);
3031 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003032
3033 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
3034 phy_index++) {
3035 if (params->phy[phy_index].flags &
3036 FLAGS_REARM_LATCH_SIGNAL) {
3037 bnx2x_rearm_latch_signal(bp, port,
3038 phy_index ==
3039 active_external_phy);
3040 break;
3041 }
3042 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003043 DP(NETIF_MSG_LINK, "vars->flow_ctrl = 0x%x, vars->link_status = 0x%x,"
3044 " ext_phy_line_speed = %d\n", vars->flow_ctrl,
3045 vars->link_status, ext_phy_line_speed);
3046 /**
3047 * Upon link speed change set the NIG into drain mode. Comes to
3048 * deals with possible FIFO glitch due to clk change when speed
3049 * is decreased without link down indicator
3050 */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003051
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003052 if (vars->phy_link_up) {
3053 if (!(SINGLE_MEDIA_DIRECT(params)) && ext_phy_link_up &&
3054 (ext_phy_line_speed != vars->line_speed)) {
3055 DP(NETIF_MSG_LINK, "Internal link speed %d is"
3056 " different than the external"
3057 " link speed %d\n", vars->line_speed,
3058 ext_phy_line_speed);
3059 vars->phy_link_up = 0;
3060 } else if (prev_line_speed != vars->line_speed) {
3061 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
3062 + params->port*4, 0);
3063 msleep(1);
3064 }
3065 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003066
3067 /* anything 10 and over uses the bmac */
3068 link_10g = ((vars->line_speed == SPEED_10000) ||
3069 (vars->line_speed == SPEED_12000) ||
3070 (vars->line_speed == SPEED_12500) ||
3071 (vars->line_speed == SPEED_13000) ||
3072 (vars->line_speed == SPEED_15000) ||
3073 (vars->line_speed == SPEED_16000));
3074
Yaniv Rosnera22f0782010-09-07 11:41:20 +00003075 bnx2x_link_int_ack(params, vars, link_10g);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003076
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003077 /**
3078 * In case external phy link is up, and internal link is down
3079 * (not initialized yet probably after link initialization, it
3080 * needs to be initialized.
3081 * Note that after link down-up as result of cable plug, the xgxs
3082 * link would probably become up again without the need
3083 * initialize it
3084 */
3085 if (!(SINGLE_MEDIA_DIRECT(params))) {
3086 DP(NETIF_MSG_LINK, "ext_phy_link_up = %d, int_link_up = %d,"
3087 " init_preceding = %d\n", ext_phy_link_up,
3088 vars->phy_link_up,
3089 params->phy[EXT_PHY1].flags &
3090 FLAGS_INIT_XGXS_FIRST);
3091 if (!(params->phy[EXT_PHY1].flags &
3092 FLAGS_INIT_XGXS_FIRST)
3093 && ext_phy_link_up && !vars->phy_link_up) {
3094 vars->line_speed = ext_phy_line_speed;
3095 if (vars->line_speed < SPEED_1000)
3096 vars->phy_flags |= PHY_SGMII_FLAG;
3097 else
3098 vars->phy_flags &= ~PHY_SGMII_FLAG;
3099 bnx2x_init_internal_phy(&params->phy[INT_PHY],
3100 params,
3101 vars);
3102 }
3103 }
3104 /**
3105 * Link is up only if both local phy and external phy (in case of
3106 * non-direct board) are up
3107 */
3108 vars->link_up = (vars->phy_link_up &&
3109 (ext_phy_link_up ||
3110 SINGLE_MEDIA_DIRECT(params)));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003111
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003112 if (vars->link_up)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003113 rc = bnx2x_update_link_up(params, vars, link_10g);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003114 else
3115 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003116
3117 return rc;
3118}
3119
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003120
3121/*****************************************************************************/
3122/* External Phy section */
3123/*****************************************************************************/
3124void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003125{
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003126 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
3127 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
3128 msleep(1);
3129 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
3130 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00003131}
3132
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003133static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
3134 u32 spirom_ver, u32 ver_addr)
3135{
3136 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x for port %d\n",
3137 (u16)(spirom_ver>>16), (u16)spirom_ver, port);
3138
3139 if (ver_addr)
3140 REG_WR(bp, ver_addr, spirom_ver);
3141}
3142
3143static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp,
3144 struct bnx2x_phy *phy,
3145 u8 port)
3146{
3147 u16 fw_ver1, fw_ver2;
3148
3149 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
3150 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
3151 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD,
3152 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
3153 bnx2x_save_spirom_version(bp, port, (u32)(fw_ver1<<16 | fw_ver2),
3154 phy->ver_addr);
3155}
3156
3157static void bnx2x_ext_phy_set_pause(struct link_params *params,
3158 struct bnx2x_phy *phy,
3159 struct link_vars *vars)
3160{
3161 u16 val;
3162 struct bnx2x *bp = params->bp;
3163 /* read modify write pause advertizing */
3164 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, &val);
3165
3166 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
3167
3168 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3169 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3170 if ((vars->ieee_fc &
3171 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3172 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3173 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3174 }
3175 if ((vars->ieee_fc &
3176 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3177 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3178 val |= MDIO_AN_REG_ADV_PAUSE_PAUSE;
3179 }
3180 DP(NETIF_MSG_LINK, "Ext phy AN advertize 0x%x\n", val);
3181 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV_PAUSE, val);
3182}
3183
3184static u8 bnx2x_ext_phy_resolve_fc(struct bnx2x_phy *phy,
3185 struct link_params *params,
3186 struct link_vars *vars)
3187{
3188 struct bnx2x *bp = params->bp;
3189 u16 ld_pause; /* local */
3190 u16 lp_pause; /* link partner */
3191 u16 pause_result;
3192 u8 ret = 0;
3193 /* read twice */
3194
3195 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
3196
3197 if (phy->req_flow_ctrl != BNX2X_FLOW_CTRL_AUTO)
3198 vars->flow_ctrl = phy->req_flow_ctrl;
3199 else if (phy->req_line_speed != SPEED_AUTO_NEG)
3200 vars->flow_ctrl = params->req_fc_auto_adv;
3201 else if (vars->link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
3202 ret = 1;
3203 bnx2x_cl45_read(bp, phy,
3204 MDIO_AN_DEVAD,
3205 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
3206 bnx2x_cl45_read(bp, phy,
3207 MDIO_AN_DEVAD,
3208 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
3209 pause_result = (ld_pause &
3210 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
3211 pause_result |= (lp_pause &
3212 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
3213 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x\n",
3214 pause_result);
3215 bnx2x_pause_resolve(vars, pause_result);
3216 }
3217 return ret;
3218}
3219
3220static void bnx2x_ext_phy_10G_an_resolve(struct bnx2x *bp,
3221 struct bnx2x_phy *phy,
3222 struct link_vars *vars)
3223{
3224 u16 val;
3225 bnx2x_cl45_read(bp, phy,
3226 MDIO_AN_DEVAD,
3227 MDIO_AN_REG_STATUS, &val);
3228 bnx2x_cl45_read(bp, phy,
3229 MDIO_AN_DEVAD,
3230 MDIO_AN_REG_STATUS, &val);
3231 if (val & (1<<5))
3232 vars->link_status |= LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
3233 if ((val & (1<<0)) == 0)
3234 vars->link_status |= LINK_STATUS_PARALLEL_DETECTION_USED;
3235}
3236
3237/******************************************************************/
3238/* common BCM8073/BCM8727 PHY SECTION */
3239/******************************************************************/
3240static void bnx2x_8073_resolve_fc(struct bnx2x_phy *phy,
3241 struct link_params *params,
3242 struct link_vars *vars)
3243{
3244 struct bnx2x *bp = params->bp;
3245 if (phy->req_line_speed == SPEED_10 ||
3246 phy->req_line_speed == SPEED_100) {
3247 vars->flow_ctrl = phy->req_flow_ctrl;
3248 return;
3249 }
3250
3251 if (bnx2x_ext_phy_resolve_fc(phy, params, vars) &&
3252 (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE)) {
3253 u16 pause_result;
3254 u16 ld_pause; /* local */
3255 u16 lp_pause; /* link partner */
3256 bnx2x_cl45_read(bp, phy,
3257 MDIO_AN_DEVAD,
3258 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
3259
3260 bnx2x_cl45_read(bp, phy,
3261 MDIO_AN_DEVAD,
3262 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
3263 pause_result = (ld_pause &
3264 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
3265 pause_result |= (lp_pause &
3266 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
3267
3268 bnx2x_pause_resolve(vars, pause_result);
3269 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x\n",
3270 pause_result);
3271 }
3272}
3273
3274static void bnx2x_8073_8727_external_rom_boot(struct bnx2x *bp,
3275 struct bnx2x_phy *phy,
3276 u8 port)
3277{
3278 /* Boot port from external ROM */
3279 /* EDC grst */
3280 bnx2x_cl45_write(bp, phy,
3281 MDIO_PMA_DEVAD,
3282 MDIO_PMA_REG_GEN_CTRL,
3283 0x0001);
3284
3285 /* ucode reboot and rst */
3286 bnx2x_cl45_write(bp, phy,
3287 MDIO_PMA_DEVAD,
3288 MDIO_PMA_REG_GEN_CTRL,
3289 0x008c);
3290
3291 bnx2x_cl45_write(bp, phy,
3292 MDIO_PMA_DEVAD,
3293 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
3294
3295 /* Reset internal microprocessor */
3296 bnx2x_cl45_write(bp, phy,
3297 MDIO_PMA_DEVAD,
3298 MDIO_PMA_REG_GEN_CTRL,
3299 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
3300
3301 /* Release srst bit */
3302 bnx2x_cl45_write(bp, phy,
3303 MDIO_PMA_DEVAD,
3304 MDIO_PMA_REG_GEN_CTRL,
3305 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
3306
3307 /* wait for 120ms for code download via SPI port */
3308 msleep(120);
3309
3310 /* Clear ser_boot_ctl bit */
3311 bnx2x_cl45_write(bp, phy,
3312 MDIO_PMA_DEVAD,
3313 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
3314 bnx2x_save_bcm_spirom_ver(bp, phy, port);
3315}
3316
3317static void bnx2x_8073_set_xaui_low_power_mode(struct bnx2x *bp,
3318 struct bnx2x_phy *phy)
3319{
3320 u16 val;
3321 bnx2x_cl45_read(bp, phy,
3322 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV, &val);
3323
3324 if (val == 0) {
3325 /* Mustn't set low power mode in 8073 A0 */
3326 return;
3327 }
3328
3329 /* Disable PLL sequencer (use read-modify-write to clear bit 13) */
3330 bnx2x_cl45_read(bp, phy,
3331 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
3332 val &= ~(1<<13);
3333 bnx2x_cl45_write(bp, phy,
3334 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
3335
3336 /* PLL controls */
3337 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805E, 0x1077);
3338 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805D, 0x0000);
3339 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805C, 0x030B);
3340 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805B, 0x1240);
3341 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x805A, 0x2490);
3342
3343 /* Tx Controls */
3344 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A7, 0x0C74);
3345 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A6, 0x9041);
3346 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80A5, 0x4640);
3347
3348 /* Rx Controls */
3349 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FE, 0x01C4);
3350 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FD, 0x9249);
3351 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, 0x80FC, 0x2015);
3352
3353 /* Enable PLL sequencer (use read-modify-write to set bit 13) */
3354 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, &val);
3355 val |= (1<<13);
3356 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
3357}
3358
3359/******************************************************************/
3360/* BCM8073 PHY SECTION */
3361/******************************************************************/
3362static u8 bnx2x_8073_is_snr_needed(struct bnx2x *bp, struct bnx2x_phy *phy)
3363{
3364 /* This is only required for 8073A1, version 102 only */
3365 u16 val;
3366
3367 /* Read 8073 HW revision*/
3368 bnx2x_cl45_read(bp, phy,
3369 MDIO_PMA_DEVAD,
3370 MDIO_PMA_REG_8073_CHIP_REV, &val);
3371
3372 if (val != 1) {
3373 /* No need to workaround in 8073 A1 */
3374 return 0;
3375 }
3376
3377 bnx2x_cl45_read(bp, phy,
3378 MDIO_PMA_DEVAD,
3379 MDIO_PMA_REG_ROM_VER2, &val);
3380
3381 /* SNR should be applied only for version 0x102 */
3382 if (val != 0x102)
3383 return 0;
3384
3385 return 1;
3386}
3387
3388static u8 bnx2x_8073_xaui_wa(struct bnx2x *bp, struct bnx2x_phy *phy)
3389{
3390 u16 val, cnt, cnt1 ;
3391
3392 bnx2x_cl45_read(bp, phy,
3393 MDIO_PMA_DEVAD,
3394 MDIO_PMA_REG_8073_CHIP_REV, &val);
3395
3396 if (val > 0) {
3397 /* No need to workaround in 8073 A1 */
3398 return 0;
3399 }
3400 /* XAUI workaround in 8073 A0: */
3401
3402 /* After loading the boot ROM and restarting Autoneg,
3403 poll Dev1, Reg $C820: */
3404
3405 for (cnt = 0; cnt < 1000; cnt++) {
3406 bnx2x_cl45_read(bp, phy,
3407 MDIO_PMA_DEVAD,
3408 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
3409 &val);
3410 /* If bit [14] = 0 or bit [13] = 0, continue on with
3411 system initialization (XAUI work-around not required,
3412 as these bits indicate 2.5G or 1G link up). */
3413 if (!(val & (1<<14)) || !(val & (1<<13))) {
3414 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
3415 return 0;
3416 } else if (!(val & (1<<15))) {
3417 DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
3418 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
3419 it's MSB (bit 15) goes to 1 (indicating that the
3420 XAUI workaround has completed),
3421 then continue on with system initialization.*/
3422 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
3423 bnx2x_cl45_read(bp, phy,
3424 MDIO_PMA_DEVAD,
3425 MDIO_PMA_REG_8073_XAUI_WA, &val);
3426 if (val & (1<<15)) {
3427 DP(NETIF_MSG_LINK,
3428 "XAUI workaround has completed\n");
3429 return 0;
3430 }
3431 msleep(3);
3432 }
3433 break;
3434 }
3435 msleep(3);
3436 }
3437 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
3438 return -EINVAL;
3439}
3440
3441static void bnx2x_807x_force_10G(struct bnx2x *bp, struct bnx2x_phy *phy)
3442{
3443 /* Force KR or KX */
3444 bnx2x_cl45_write(bp, phy,
3445 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
3446 bnx2x_cl45_write(bp, phy,
3447 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0x000b);
3448 bnx2x_cl45_write(bp, phy,
3449 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0000);
3450 bnx2x_cl45_write(bp, phy,
3451 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
3452}
3453
3454static void bnx2x_8073_set_pause_cl37(struct link_params *params,
3455 struct bnx2x_phy *phy,
3456 struct link_vars *vars)
3457{
3458 u16 cl37_val;
3459 struct bnx2x *bp = params->bp;
3460 bnx2x_cl45_read(bp, phy,
3461 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &cl37_val);
3462
3463 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3464 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3465 bnx2x_calc_ieee_aneg_adv(phy, params, &vars->ieee_fc);
3466 if ((vars->ieee_fc &
3467 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
3468 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
3469 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
3470 }
3471 if ((vars->ieee_fc &
3472 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3473 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3474 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3475 }
3476 if ((vars->ieee_fc &
3477 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3478 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3479 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3480 }
3481 DP(NETIF_MSG_LINK,
3482 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
3483
3484 bnx2x_cl45_write(bp, phy,
3485 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, cl37_val);
3486 msleep(500);
3487}
3488
3489static u8 bnx2x_8073_config_init(struct bnx2x_phy *phy,
3490 struct link_params *params,
3491 struct link_vars *vars)
3492{
3493 struct bnx2x *bp = params->bp;
3494 u16 val = 0, tmp1;
3495 u8 gpio_port;
3496 DP(NETIF_MSG_LINK, "Init 8073\n");
3497
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003498 if (CHIP_IS_E2(bp))
3499 gpio_port = BP_PATH(bp);
3500 else
3501 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003502 /* Restore normal power mode*/
3503 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
3504 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
3505
3506 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
3507 MISC_REGISTERS_GPIO_OUTPUT_HIGH, gpio_port);
3508
3509 /* enable LASI */
3510 bnx2x_cl45_write(bp, phy,
3511 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL, (1<<2));
3512 bnx2x_cl45_write(bp, phy,
3513 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x0004);
3514
3515 bnx2x_8073_set_pause_cl37(params, phy, vars);
3516
3517 bnx2x_8073_set_xaui_low_power_mode(bp, phy);
3518
3519 bnx2x_cl45_read(bp, phy,
3520 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
3521
3522 bnx2x_cl45_read(bp, phy,
3523 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
3524
3525 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1): 0x%x\n", tmp1);
3526
3527 /* Enable CL37 BAM */
Yaniv Rosner121839b2010-11-01 05:32:38 +00003528 if (REG_RD(bp, params->shmem_base +
3529 offsetof(struct shmem_region, dev_info.
3530 port_hw_config[params->port].default_cfg)) &
3531 PORT_HW_CFG_ENABLE_BAM_ON_KR_ENABLED) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003532
Yaniv Rosner121839b2010-11-01 05:32:38 +00003533 bnx2x_cl45_read(bp, phy,
3534 MDIO_AN_DEVAD,
3535 MDIO_AN_REG_8073_BAM, &val);
3536 bnx2x_cl45_write(bp, phy,
3537 MDIO_AN_DEVAD,
3538 MDIO_AN_REG_8073_BAM, val | 1);
3539 DP(NETIF_MSG_LINK, "Enable CL37 BAM on KR\n");
3540 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003541 if (params->loopback_mode == LOOPBACK_EXT) {
3542 bnx2x_807x_force_10G(bp, phy);
3543 DP(NETIF_MSG_LINK, "Forced speed 10G on 807X\n");
3544 return 0;
3545 } else {
3546 bnx2x_cl45_write(bp, phy,
3547 MDIO_PMA_DEVAD, MDIO_PMA_REG_BCM_CTRL, 0x0002);
3548 }
3549 if (phy->req_line_speed != SPEED_AUTO_NEG) {
3550 if (phy->req_line_speed == SPEED_10000) {
3551 val = (1<<7);
3552 } else if (phy->req_line_speed == SPEED_2500) {
3553 val = (1<<5);
3554 /* Note that 2.5G works only
3555 when used with 1G advertisment */
3556 } else
3557 val = (1<<5);
3558 } else {
3559 val = 0;
3560 if (phy->speed_cap_mask &
3561 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
3562 val |= (1<<7);
3563
3564 /* Note that 2.5G works only when
3565 used with 1G advertisment */
3566 if (phy->speed_cap_mask &
3567 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
3568 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
3569 val |= (1<<5);
3570 DP(NETIF_MSG_LINK, "807x autoneg val = 0x%x\n", val);
3571 }
3572
3573 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV, val);
3574 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, &tmp1);
3575
3576 if (((phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
3577 (phy->req_line_speed == SPEED_AUTO_NEG)) ||
3578 (phy->req_line_speed == SPEED_2500)) {
3579 u16 phy_ver;
3580 /* Allow 2.5G for A1 and above */
3581 bnx2x_cl45_read(bp, phy,
3582 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_CHIP_REV,
3583 &phy_ver);
3584 DP(NETIF_MSG_LINK, "Add 2.5G\n");
3585 if (phy_ver > 0)
3586 tmp1 |= 1;
3587 else
3588 tmp1 &= 0xfffe;
3589 } else {
3590 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
3591 tmp1 &= 0xfffe;
3592 }
3593
3594 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_8073_2_5G, tmp1);
3595 /* Add support for CL37 (passive mode) II */
3596
3597 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, &tmp1);
3598 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD,
3599 (tmp1 | ((phy->req_duplex == DUPLEX_FULL) ?
3600 0x20 : 0x40)));
3601
3602 /* Add support for CL37 (passive mode) III */
3603 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
3604
3605 /* The SNR will improve about 2db by changing
3606 BW and FEE main tap. Rest commands are executed
3607 after link is up*/
3608 if (bnx2x_8073_is_snr_needed(bp, phy))
3609 bnx2x_cl45_write(bp, phy,
3610 MDIO_PMA_DEVAD, MDIO_PMA_REG_EDC_FFE_MAIN,
3611 0xFB0C);
3612
3613 /* Enable FEC (Forware Error Correction) Request in the AN */
3614 bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, &tmp1);
3615 tmp1 |= (1<<15);
3616 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_ADV2, tmp1);
3617
3618 bnx2x_ext_phy_set_pause(params, phy, vars);
3619
3620 /* Restart autoneg */
3621 msleep(500);
3622 bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
3623 DP(NETIF_MSG_LINK, "807x Autoneg Restart: Advertise 1G=%x, 10G=%x\n",
3624 ((val & (1<<5)) > 0), ((val & (1<<7)) > 0));
3625 return 0;
3626}
3627
3628static u8 bnx2x_8073_read_status(struct bnx2x_phy *phy,
3629 struct link_params *params,
3630 struct link_vars *vars)
3631{
3632 struct bnx2x *bp = params->bp;
3633 u8 link_up = 0;
3634 u16 val1, val2;
3635 u16 link_status = 0;
3636 u16 an1000_status = 0;
3637
3638 bnx2x_cl45_read(bp, phy,
3639 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
3640
3641 DP(NETIF_MSG_LINK, "8703 LASI status 0x%x\n", val1);
3642
3643 /* clear the interrupt LASI status register */
3644 bnx2x_cl45_read(bp, phy,
3645 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
3646 bnx2x_cl45_read(bp, phy,
3647 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val1);
3648 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n", val2, val1);
3649 /* Clear MSG-OUT */
3650 bnx2x_cl45_read(bp, phy,
3651 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
3652
3653 /* Check the LASI */
3654 bnx2x_cl45_read(bp, phy,
3655 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
3656
3657 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
3658
3659 /* Check the link status */
3660 bnx2x_cl45_read(bp, phy,
3661 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &val2);
3662 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
3663
3664 bnx2x_cl45_read(bp, phy,
3665 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
3666 bnx2x_cl45_read(bp, phy,
3667 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
3668 link_up = ((val1 & 4) == 4);
3669 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
3670
3671 if (link_up &&
3672 ((phy->req_line_speed != SPEED_10000))) {
3673 if (bnx2x_8073_xaui_wa(bp, phy) != 0)
3674 return 0;
3675 }
3676 bnx2x_cl45_read(bp, phy,
3677 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
3678 bnx2x_cl45_read(bp, phy,
3679 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &an1000_status);
3680
3681 /* Check the link status on 1.1.2 */
3682 bnx2x_cl45_read(bp, phy,
3683 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
3684 bnx2x_cl45_read(bp, phy,
3685 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
3686 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
3687 "an_link_status=0x%x\n", val2, val1, an1000_status);
3688
3689 link_up = (((val1 & 4) == 4) || (an1000_status & (1<<1)));
3690 if (link_up && bnx2x_8073_is_snr_needed(bp, phy)) {
3691 /* The SNR will improve about 2dbby
3692 changing the BW and FEE main tap.*/
3693 /* The 1st write to change FFE main
3694 tap is set before restart AN */
3695 /* Change PLL Bandwidth in EDC
3696 register */
3697 bnx2x_cl45_write(bp, phy,
3698 MDIO_PMA_DEVAD, MDIO_PMA_REG_PLL_BANDWIDTH,
3699 0x26BC);
3700
3701 /* Change CDR Bandwidth in EDC register */
3702 bnx2x_cl45_write(bp, phy,
3703 MDIO_PMA_DEVAD, MDIO_PMA_REG_CDR_BANDWIDTH,
3704 0x0333);
3705 }
3706 bnx2x_cl45_read(bp, phy,
3707 MDIO_PMA_DEVAD, MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
3708 &link_status);
3709
3710 /* Bits 0..2 --> speed detected, bits 13..15--> link is down */
3711 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
3712 link_up = 1;
3713 vars->line_speed = SPEED_10000;
3714 DP(NETIF_MSG_LINK, "port %x: External link up in 10G\n",
3715 params->port);
3716 } else if ((link_status & (1<<1)) && (!(link_status & (1<<14)))) {
3717 link_up = 1;
3718 vars->line_speed = SPEED_2500;
3719 DP(NETIF_MSG_LINK, "port %x: External link up in 2.5G\n",
3720 params->port);
3721 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
3722 link_up = 1;
3723 vars->line_speed = SPEED_1000;
3724 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
3725 params->port);
3726 } else {
3727 link_up = 0;
3728 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
3729 params->port);
3730 }
3731
3732 if (link_up) {
3733 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
3734 bnx2x_8073_resolve_fc(phy, params, vars);
3735 }
3736 return link_up;
3737}
3738
3739static void bnx2x_8073_link_reset(struct bnx2x_phy *phy,
3740 struct link_params *params)
3741{
3742 struct bnx2x *bp = params->bp;
3743 u8 gpio_port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003744 if (CHIP_IS_E2(bp))
3745 gpio_port = BP_PATH(bp);
3746 else
3747 gpio_port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00003748 DP(NETIF_MSG_LINK, "Setting 8073 port %d into low power mode\n",
3749 gpio_port);
3750 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
3751 MISC_REGISTERS_GPIO_OUTPUT_LOW,
3752 gpio_port);
3753}
3754
3755/******************************************************************/
3756/* BCM8705 PHY SECTION */
3757/******************************************************************/
3758static u8 bnx2x_8705_config_init(struct bnx2x_phy *phy,
3759 struct link_params *params,
3760 struct link_vars *vars)
3761{
3762 struct bnx2x *bp = params->bp;
3763 DP(NETIF_MSG_LINK, "init 8705\n");
3764 /* Restore normal power mode*/
3765 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
3766 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
3767 /* HW reset */
3768 bnx2x_ext_phy_hw_reset(bp, params->port);
3769 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
3770 bnx2x_wait_reset_complete(bp, phy);
3771
3772 bnx2x_cl45_write(bp, phy,
3773 MDIO_PMA_DEVAD, MDIO_PMA_REG_MISC_CTRL, 0x8288);
3774 bnx2x_cl45_write(bp, phy,
3775 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, 0x7fbf);
3776 bnx2x_cl45_write(bp, phy,
3777 MDIO_PMA_DEVAD, MDIO_PMA_REG_CMU_PLL_BYPASS, 0x0100);
3778 bnx2x_cl45_write(bp, phy,
3779 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_CNTL, 0x1);
3780 /* BCM8705 doesn't have microcode, hence the 0 */
3781 bnx2x_save_spirom_version(bp, params->port, params->shmem_base, 0);
3782 return 0;
3783}
3784
3785static u8 bnx2x_8705_read_status(struct bnx2x_phy *phy,
3786 struct link_params *params,
3787 struct link_vars *vars)
3788{
3789 u8 link_up = 0;
3790 u16 val1, rx_sd;
3791 struct bnx2x *bp = params->bp;
3792 DP(NETIF_MSG_LINK, "read status 8705\n");
3793 bnx2x_cl45_read(bp, phy,
3794 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
3795 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3796
3797 bnx2x_cl45_read(bp, phy,
3798 MDIO_WIS_DEVAD, MDIO_WIS_REG_LASI_STATUS, &val1);
3799 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3800
3801 bnx2x_cl45_read(bp, phy,
3802 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
3803
3804 bnx2x_cl45_read(bp, phy,
3805 MDIO_PMA_DEVAD, 0xc809, &val1);
3806 bnx2x_cl45_read(bp, phy,
3807 MDIO_PMA_DEVAD, 0xc809, &val1);
3808
3809 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
3810 link_up = ((rx_sd & 0x1) && (val1 & (1<<9)) && ((val1 & (1<<8)) == 0));
3811 if (link_up) {
3812 vars->line_speed = SPEED_10000;
3813 bnx2x_ext_phy_resolve_fc(phy, params, vars);
3814 }
3815 return link_up;
3816}
3817
3818/******************************************************************/
3819/* SFP+ module Section */
3820/******************************************************************/
3821static void bnx2x_sfp_set_transmitter(struct bnx2x *bp,
3822 struct bnx2x_phy *phy,
3823 u8 port,
3824 u8 tx_en)
3825{
3826 u16 val;
3827
3828 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
3829 tx_en, port);
3830 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
3831 bnx2x_cl45_read(bp, phy,
3832 MDIO_PMA_DEVAD,
3833 MDIO_PMA_REG_PHY_IDENTIFIER,
3834 &val);
3835
3836 if (tx_en)
3837 val &= ~(1<<15);
3838 else
3839 val |= (1<<15);
3840
3841 bnx2x_cl45_write(bp, phy,
3842 MDIO_PMA_DEVAD,
3843 MDIO_PMA_REG_PHY_IDENTIFIER,
3844 val);
3845}
3846
3847static u8 bnx2x_8726_read_sfp_module_eeprom(struct bnx2x_phy *phy,
3848 struct link_params *params,
3849 u16 addr, u8 byte_cnt, u8 *o_buf)
3850{
3851 struct bnx2x *bp = params->bp;
3852 u16 val = 0;
3853 u16 i;
3854 if (byte_cnt > 16) {
3855 DP(NETIF_MSG_LINK, "Reading from eeprom is"
3856 " is limited to 0xf\n");
3857 return -EINVAL;
3858 }
3859 /* Set the read command byte count */
3860 bnx2x_cl45_write(bp, phy,
3861 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
3862 (byte_cnt | 0xa000));
3863
3864 /* Set the read command address */
3865 bnx2x_cl45_write(bp, phy,
3866 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
3867 addr);
3868
3869 /* Activate read command */
3870 bnx2x_cl45_write(bp, phy,
3871 MDIO_PMA_DEVAD, MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
3872 0x2c0f);
3873
3874 /* Wait up to 500us for command complete status */
3875 for (i = 0; i < 100; i++) {
3876 bnx2x_cl45_read(bp, phy,
3877 MDIO_PMA_DEVAD,
3878 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
3879 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
3880 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
3881 break;
3882 udelay(5);
3883 }
3884
3885 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
3886 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
3887 DP(NETIF_MSG_LINK,
3888 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
3889 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
3890 return -EINVAL;
3891 }
3892
3893 /* Read the buffer */
3894 for (i = 0; i < byte_cnt; i++) {
3895 bnx2x_cl45_read(bp, phy,
3896 MDIO_PMA_DEVAD,
3897 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
3898 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
3899 }
3900
3901 for (i = 0; i < 100; i++) {
3902 bnx2x_cl45_read(bp, phy,
3903 MDIO_PMA_DEVAD,
3904 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
3905 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
3906 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
3907 return 0;;
3908 msleep(1);
3909 }
3910 return -EINVAL;
3911}
3912
3913static u8 bnx2x_8727_read_sfp_module_eeprom(struct bnx2x_phy *phy,
3914 struct link_params *params,
3915 u16 addr, u8 byte_cnt, u8 *o_buf)
3916{
3917 struct bnx2x *bp = params->bp;
3918 u16 val, i;
3919
3920 if (byte_cnt > 16) {
3921 DP(NETIF_MSG_LINK, "Reading from eeprom is"
3922 " is limited to 0xf\n");
3923 return -EINVAL;
3924 }
3925
3926 /* Need to read from 1.8000 to clear it */
3927 bnx2x_cl45_read(bp, phy,
3928 MDIO_PMA_DEVAD,
3929 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
3930 &val);
3931
3932 /* Set the read command byte count */
3933 bnx2x_cl45_write(bp, phy,
3934 MDIO_PMA_DEVAD,
3935 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
3936 ((byte_cnt < 2) ? 2 : byte_cnt));
3937
3938 /* Set the read command address */
3939 bnx2x_cl45_write(bp, phy,
3940 MDIO_PMA_DEVAD,
3941 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
3942 addr);
3943 /* Set the destination address */
3944 bnx2x_cl45_write(bp, phy,
3945 MDIO_PMA_DEVAD,
3946 0x8004,
3947 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
3948
3949 /* Activate read command */
3950 bnx2x_cl45_write(bp, phy,
3951 MDIO_PMA_DEVAD,
3952 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
3953 0x8002);
3954 /* Wait appropriate time for two-wire command to finish before
3955 polling the status register */
3956 msleep(1);
3957
3958 /* Wait up to 500us for command complete status */
3959 for (i = 0; i < 100; i++) {
3960 bnx2x_cl45_read(bp, phy,
3961 MDIO_PMA_DEVAD,
3962 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
3963 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
3964 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
3965 break;
3966 udelay(5);
3967 }
3968
3969 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
3970 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
3971 DP(NETIF_MSG_LINK,
3972 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
3973 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
3974 return -EINVAL;
3975 }
3976
3977 /* Read the buffer */
3978 for (i = 0; i < byte_cnt; i++) {
3979 bnx2x_cl45_read(bp, phy,
3980 MDIO_PMA_DEVAD,
3981 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
3982 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
3983 }
3984
3985 for (i = 0; i < 100; i++) {
3986 bnx2x_cl45_read(bp, phy,
3987 MDIO_PMA_DEVAD,
3988 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
3989 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
3990 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
3991 return 0;;
3992 msleep(1);
3993 }
3994
3995 return -EINVAL;
3996}
3997
stephen hemminger8d962862010-10-21 07:50:56 +00003998static u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
3999 struct link_params *params, u16 addr,
4000 u8 byte_cnt, u8 *o_buf)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004001{
4002 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
4003 return bnx2x_8726_read_sfp_module_eeprom(phy, params, addr,
4004 byte_cnt, o_buf);
4005 else if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
4006 return bnx2x_8727_read_sfp_module_eeprom(phy, params, addr,
4007 byte_cnt, o_buf);
4008 return -EINVAL;
4009}
4010
4011static u8 bnx2x_get_edc_mode(struct bnx2x_phy *phy,
4012 struct link_params *params,
4013 u16 *edc_mode)
4014{
4015 struct bnx2x *bp = params->bp;
4016 u8 val, check_limiting_mode = 0;
4017 *edc_mode = EDC_MODE_LIMITING;
4018
4019 /* First check for copper cable */
4020 if (bnx2x_read_sfp_module_eeprom(phy,
4021 params,
4022 SFP_EEPROM_CON_TYPE_ADDR,
4023 1,
4024 &val) != 0) {
4025 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
4026 return -EINVAL;
4027 }
4028
4029 switch (val) {
4030 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
4031 {
4032 u8 copper_module_type;
4033
4034 /* Check if its active cable( includes SFP+ module)
4035 of passive cable*/
4036 if (bnx2x_read_sfp_module_eeprom(phy,
4037 params,
4038 SFP_EEPROM_FC_TX_TECH_ADDR,
4039 1,
4040 &copper_module_type) !=
4041 0) {
4042 DP(NETIF_MSG_LINK,
4043 "Failed to read copper-cable-type"
4044 " from SFP+ EEPROM\n");
4045 return -EINVAL;
4046 }
4047
4048 if (copper_module_type &
4049 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
4050 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
4051 check_limiting_mode = 1;
4052 } else if (copper_module_type &
4053 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
4054 DP(NETIF_MSG_LINK, "Passive Copper"
4055 " cable detected\n");
4056 *edc_mode =
4057 EDC_MODE_PASSIVE_DAC;
4058 } else {
4059 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
4060 "type 0x%x !!!\n", copper_module_type);
4061 return -EINVAL;
4062 }
4063 break;
4064 }
4065 case SFP_EEPROM_CON_TYPE_VAL_LC:
4066 DP(NETIF_MSG_LINK, "Optic module detected\n");
4067 check_limiting_mode = 1;
4068 break;
4069 default:
4070 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
4071 val);
4072 return -EINVAL;
4073 }
4074
4075 if (check_limiting_mode) {
4076 u8 options[SFP_EEPROM_OPTIONS_SIZE];
4077 if (bnx2x_read_sfp_module_eeprom(phy,
4078 params,
4079 SFP_EEPROM_OPTIONS_ADDR,
4080 SFP_EEPROM_OPTIONS_SIZE,
4081 options) != 0) {
4082 DP(NETIF_MSG_LINK, "Failed to read Option"
4083 " field from module EEPROM\n");
4084 return -EINVAL;
4085 }
4086 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
4087 *edc_mode = EDC_MODE_LINEAR;
4088 else
4089 *edc_mode = EDC_MODE_LIMITING;
4090 }
4091 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
4092 return 0;
4093}
4094/* This function read the relevant field from the module ( SFP+ ),
4095 and verify it is compliant with this board */
4096static u8 bnx2x_verify_sfp_module(struct bnx2x_phy *phy,
4097 struct link_params *params)
4098{
4099 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004100 u32 val, cmd;
4101 u32 fw_resp, fw_cmd_param;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004102 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
4103 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004104 phy->flags &= ~FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004105 val = REG_RD(bp, params->shmem_base +
4106 offsetof(struct shmem_region, dev_info.
4107 port_feature_config[params->port].config));
4108 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4109 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
4110 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
4111 return 0;
4112 }
4113
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004114 if (params->feature_config_flags &
4115 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY) {
4116 /* Use specific phy request */
4117 cmd = DRV_MSG_CODE_VRFY_SPECIFIC_PHY_OPT_MDL;
4118 } else if (params->feature_config_flags &
4119 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY) {
4120 /* Use first phy request only in case of non-dual media*/
4121 if (DUAL_MEDIA(params)) {
4122 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
4123 "verification\n");
4124 return -EINVAL;
4125 }
4126 cmd = DRV_MSG_CODE_VRFY_FIRST_PHY_OPT_MDL;
4127 } else {
4128 /* No support in OPT MDL detection */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004129 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004130 "verification\n");
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004131 return -EINVAL;
4132 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004133
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004134 fw_cmd_param = FW_PARAM_SET(phy->addr, phy->type, phy->mdio_ctrl);
4135 fw_resp = bnx2x_fw_command(bp, cmd, fw_cmd_param);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004136 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
4137 DP(NETIF_MSG_LINK, "Approved module\n");
4138 return 0;
4139 }
4140
4141 /* format the warning message */
4142 if (bnx2x_read_sfp_module_eeprom(phy,
4143 params,
4144 SFP_EEPROM_VENDOR_NAME_ADDR,
4145 SFP_EEPROM_VENDOR_NAME_SIZE,
4146 (u8 *)vendor_name))
4147 vendor_name[0] = '\0';
4148 else
4149 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
4150 if (bnx2x_read_sfp_module_eeprom(phy,
4151 params,
4152 SFP_EEPROM_PART_NO_ADDR,
4153 SFP_EEPROM_PART_NO_SIZE,
4154 (u8 *)vendor_pn))
4155 vendor_pn[0] = '\0';
4156 else
4157 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
4158
4159 netdev_info(bp->dev, "Warning: Unqualified SFP+ module detected,"
4160 " Port %d from %s part number %s\n",
4161 params->port, vendor_name, vendor_pn);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004162 phy->flags |= FLAGS_SFP_NOT_APPROVED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004163 return -EINVAL;
4164}
4165
4166static u8 bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy,
4167 struct link_params *params)
4168
4169{
4170 u8 val;
4171 struct bnx2x *bp = params->bp;
4172 u16 timeout;
4173 /* Initialization time after hot-plug may take up to 300ms for some
4174 phys type ( e.g. JDSU ) */
4175 for (timeout = 0; timeout < 60; timeout++) {
4176 if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val)
4177 == 0) {
4178 DP(NETIF_MSG_LINK, "SFP+ module initialization "
4179 "took %d ms\n", timeout * 5);
4180 return 0;
4181 }
4182 msleep(5);
4183 }
4184 return -EINVAL;
4185}
4186
4187static void bnx2x_8727_power_module(struct bnx2x *bp,
4188 struct bnx2x_phy *phy,
4189 u8 is_power_up) {
4190 /* Make sure GPIOs are not using for LED mode */
4191 u16 val;
4192 /*
4193 * In the GPIO register, bit 4 is use to detemine if the GPIOs are
4194 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
4195 * output
4196 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
4197 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
4198 * where the 1st bit is the over-current(only input), and 2nd bit is
4199 * for power( only output )
4200 */
4201
4202 /*
4203 * In case of NOC feature is disabled and power is up, set GPIO control
4204 * as input to enable listening of over-current indication
4205 */
4206 if (phy->flags & FLAGS_NOC)
4207 return;
4208 if (!(phy->flags &
4209 FLAGS_NOC) && is_power_up)
4210 val = (1<<4);
4211 else
4212 /*
4213 * Set GPIO control to OUTPUT, and set the power bit
4214 * to according to the is_power_up
4215 */
4216 val = ((!(is_power_up)) << 1);
4217
4218 bnx2x_cl45_write(bp, phy,
4219 MDIO_PMA_DEVAD,
4220 MDIO_PMA_REG_8727_GPIO_CTRL,
4221 val);
4222}
4223
4224static u8 bnx2x_8726_set_limiting_mode(struct bnx2x *bp,
4225 struct bnx2x_phy *phy,
4226 u16 edc_mode)
4227{
4228 u16 cur_limiting_mode;
4229
4230 bnx2x_cl45_read(bp, phy,
4231 MDIO_PMA_DEVAD,
4232 MDIO_PMA_REG_ROM_VER2,
4233 &cur_limiting_mode);
4234 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
4235 cur_limiting_mode);
4236
4237 if (edc_mode == EDC_MODE_LIMITING) {
4238 DP(NETIF_MSG_LINK,
4239 "Setting LIMITING MODE\n");
4240 bnx2x_cl45_write(bp, phy,
4241 MDIO_PMA_DEVAD,
4242 MDIO_PMA_REG_ROM_VER2,
4243 EDC_MODE_LIMITING);
4244 } else { /* LRM mode ( default )*/
4245
4246 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
4247
4248 /* Changing to LRM mode takes quite few seconds.
4249 So do it only if current mode is limiting
4250 ( default is LRM )*/
4251 if (cur_limiting_mode != EDC_MODE_LIMITING)
4252 return 0;
4253
4254 bnx2x_cl45_write(bp, phy,
4255 MDIO_PMA_DEVAD,
4256 MDIO_PMA_REG_LRM_MODE,
4257 0);
4258 bnx2x_cl45_write(bp, phy,
4259 MDIO_PMA_DEVAD,
4260 MDIO_PMA_REG_ROM_VER2,
4261 0x128);
4262 bnx2x_cl45_write(bp, phy,
4263 MDIO_PMA_DEVAD,
4264 MDIO_PMA_REG_MISC_CTRL0,
4265 0x4008);
4266 bnx2x_cl45_write(bp, phy,
4267 MDIO_PMA_DEVAD,
4268 MDIO_PMA_REG_LRM_MODE,
4269 0xaaaa);
4270 }
4271 return 0;
4272}
4273
4274static u8 bnx2x_8727_set_limiting_mode(struct bnx2x *bp,
4275 struct bnx2x_phy *phy,
4276 u16 edc_mode)
4277{
4278 u16 phy_identifier;
4279 u16 rom_ver2_val;
4280 bnx2x_cl45_read(bp, phy,
4281 MDIO_PMA_DEVAD,
4282 MDIO_PMA_REG_PHY_IDENTIFIER,
4283 &phy_identifier);
4284
4285 bnx2x_cl45_write(bp, phy,
4286 MDIO_PMA_DEVAD,
4287 MDIO_PMA_REG_PHY_IDENTIFIER,
4288 (phy_identifier & ~(1<<9)));
4289
4290 bnx2x_cl45_read(bp, phy,
4291 MDIO_PMA_DEVAD,
4292 MDIO_PMA_REG_ROM_VER2,
4293 &rom_ver2_val);
4294 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
4295 bnx2x_cl45_write(bp, phy,
4296 MDIO_PMA_DEVAD,
4297 MDIO_PMA_REG_ROM_VER2,
4298 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
4299
4300 bnx2x_cl45_write(bp, phy,
4301 MDIO_PMA_DEVAD,
4302 MDIO_PMA_REG_PHY_IDENTIFIER,
4303 (phy_identifier | (1<<9)));
4304
4305 return 0;
4306}
4307
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004308static void bnx2x_8727_specific_func(struct bnx2x_phy *phy,
4309 struct link_params *params,
4310 u32 action)
4311{
4312 struct bnx2x *bp = params->bp;
4313
4314 switch (action) {
4315 case DISABLE_TX:
4316 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4317 break;
4318 case ENABLE_TX:
4319 if (!(phy->flags & FLAGS_SFP_NOT_APPROVED))
4320 bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
4321 break;
4322 default:
4323 DP(NETIF_MSG_LINK, "Function 0x%x not supported by 8727\n",
4324 action);
4325 return;
4326 }
4327}
4328
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004329static u8 bnx2x_sfp_module_detection(struct bnx2x_phy *phy,
4330 struct link_params *params)
4331{
4332 struct bnx2x *bp = params->bp;
4333 u16 edc_mode;
4334 u8 rc = 0;
4335
4336 u32 val = REG_RD(bp, params->shmem_base +
4337 offsetof(struct shmem_region, dev_info.
4338 port_feature_config[params->port].config));
4339
4340 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
4341 params->port);
4342
4343 if (bnx2x_get_edc_mode(phy, params, &edc_mode) != 0) {
4344 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
4345 return -EINVAL;
4346 } else if (bnx2x_verify_sfp_module(phy, params) !=
4347 0) {
4348 /* check SFP+ module compatibility */
4349 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
4350 rc = -EINVAL;
4351 /* Turn on fault module-detected led */
4352 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4353 MISC_REGISTERS_GPIO_HIGH,
4354 params->port);
4355 if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
4356 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4357 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
4358 /* Shutdown SFP+ module */
4359 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
4360 bnx2x_8727_power_module(bp, phy, 0);
4361 return rc;
4362 }
4363 } else {
4364 /* Turn off fault module-detected led */
4365 DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
4366 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4367 MISC_REGISTERS_GPIO_LOW,
4368 params->port);
4369 }
4370
4371 /* power up the SFP module */
4372 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
4373 bnx2x_8727_power_module(bp, phy, 1);
4374
4375 /* Check and set limiting mode / LRM mode on 8726.
4376 On 8727 it is done automatically */
4377 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
4378 bnx2x_8726_set_limiting_mode(bp, phy, edc_mode);
4379 else
4380 bnx2x_8727_set_limiting_mode(bp, phy, edc_mode);
4381 /*
4382 * Enable transmit for this module if the module is approved, or
4383 * if unapproved modules should also enable the Tx laser
4384 */
4385 if (rc == 0 ||
4386 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
4387 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
4388 bnx2x_sfp_set_transmitter(bp, phy, params->port, 1);
4389 else
4390 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4391
4392 return rc;
4393}
4394
4395void bnx2x_handle_module_detect_int(struct link_params *params)
4396{
4397 struct bnx2x *bp = params->bp;
4398 struct bnx2x_phy *phy = &params->phy[EXT_PHY1];
4399 u32 gpio_val;
4400 u8 port = params->port;
4401
4402 /* Set valid module led off */
4403 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
4404 MISC_REGISTERS_GPIO_HIGH,
4405 params->port);
4406
4407 /* Get current gpio val refelecting module plugged in / out*/
4408 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
4409
4410 /* Call the handling function in case module is detected */
4411 if (gpio_val == 0) {
4412
4413 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
4414 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
4415 port);
4416
4417 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
4418 bnx2x_sfp_module_detection(phy, params);
4419 else
4420 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
4421 } else {
4422 u32 val = REG_RD(bp, params->shmem_base +
4423 offsetof(struct shmem_region, dev_info.
4424 port_feature_config[params->port].
4425 config));
4426
4427 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
4428 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
4429 port);
4430 /* Module was plugged out. */
4431 /* Disable transmit for this module */
4432 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4433 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
4434 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
4435 }
4436}
4437
4438/******************************************************************/
4439/* common BCM8706/BCM8726 PHY SECTION */
4440/******************************************************************/
4441static u8 bnx2x_8706_8726_read_status(struct bnx2x_phy *phy,
4442 struct link_params *params,
4443 struct link_vars *vars)
4444{
4445 u8 link_up = 0;
4446 u16 val1, val2, rx_sd, pcs_status;
4447 struct bnx2x *bp = params->bp;
4448 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
4449 /* Clear RX Alarm*/
4450 bnx2x_cl45_read(bp, phy,
4451 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &val2);
4452 /* clear LASI indication*/
4453 bnx2x_cl45_read(bp, phy,
4454 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
4455 bnx2x_cl45_read(bp, phy,
4456 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
4457 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x--> 0x%x\n", val1, val2);
4458
4459 bnx2x_cl45_read(bp, phy,
4460 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD, &rx_sd);
4461 bnx2x_cl45_read(bp, phy,
4462 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS, &pcs_status);
4463 bnx2x_cl45_read(bp, phy,
4464 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
4465 bnx2x_cl45_read(bp, phy,
4466 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS, &val2);
4467
4468 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x pcs_status 0x%x 1Gbps"
4469 " link_status 0x%x\n", rx_sd, pcs_status, val2);
4470 /* link is up if both bit 0 of pmd_rx_sd and
4471 * bit 0 of pcs_status are set, or if the autoneg bit
4472 * 1 is set
4473 */
4474 link_up = ((rx_sd & pcs_status & 0x1) || (val2 & (1<<1)));
4475 if (link_up) {
4476 if (val2 & (1<<1))
4477 vars->line_speed = SPEED_1000;
4478 else
4479 vars->line_speed = SPEED_10000;
4480 bnx2x_ext_phy_resolve_fc(phy, params, vars);
4481 }
4482 return link_up;
4483}
4484
4485/******************************************************************/
4486/* BCM8706 PHY SECTION */
4487/******************************************************************/
4488static u8 bnx2x_8706_config_init(struct bnx2x_phy *phy,
4489 struct link_params *params,
4490 struct link_vars *vars)
4491{
4492 u16 cnt, val;
4493 struct bnx2x *bp = params->bp;
4494 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
4495 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
4496 /* HW reset */
4497 bnx2x_ext_phy_hw_reset(bp, params->port);
4498 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0xa040);
4499 bnx2x_wait_reset_complete(bp, phy);
4500
4501 /* Wait until fw is loaded */
4502 for (cnt = 0; cnt < 100; cnt++) {
4503 bnx2x_cl45_read(bp, phy,
4504 MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &val);
4505 if (val)
4506 break;
4507 msleep(10);
4508 }
4509 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized after %d ms\n", cnt);
4510 if ((params->feature_config_flags &
4511 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
4512 u8 i;
4513 u16 reg;
4514 for (i = 0; i < 4; i++) {
4515 reg = MDIO_XS_8706_REG_BANK_RX0 +
4516 i*(MDIO_XS_8706_REG_BANK_RX1 -
4517 MDIO_XS_8706_REG_BANK_RX0);
4518 bnx2x_cl45_read(bp, phy, MDIO_XS_DEVAD, reg, &val);
4519 /* Clear first 3 bits of the control */
4520 val &= ~0x7;
4521 /* Set control bits according to configuration */
4522 val |= (phy->rx_preemphasis[i] & 0x7);
4523 DP(NETIF_MSG_LINK, "Setting RX Equalizer to BCM8706"
4524 " reg 0x%x <-- val 0x%x\n", reg, val);
4525 bnx2x_cl45_write(bp, phy, MDIO_XS_DEVAD, reg, val);
4526 }
4527 }
4528 /* Force speed */
4529 if (phy->req_line_speed == SPEED_10000) {
4530 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
4531
4532 bnx2x_cl45_write(bp, phy,
4533 MDIO_PMA_DEVAD,
4534 MDIO_PMA_REG_DIGITAL_CTRL, 0x400);
4535 bnx2x_cl45_write(bp, phy,
4536 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
4537 } else {
4538 /* Force 1Gbps using autoneg with 1G advertisment */
4539
4540 /* Allow CL37 through CL73 */
4541 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
4542 bnx2x_cl45_write(bp, phy,
4543 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
4544
4545 /* Enable Full-Duplex advertisment on CL37 */
4546 bnx2x_cl45_write(bp, phy,
4547 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LP, 0x0020);
4548 /* Enable CL37 AN */
4549 bnx2x_cl45_write(bp, phy,
4550 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4551 /* 1G support */
4552 bnx2x_cl45_write(bp, phy,
4553 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, (1<<5));
4554
4555 /* Enable clause 73 AN */
4556 bnx2x_cl45_write(bp, phy,
4557 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4558 bnx2x_cl45_write(bp, phy,
4559 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
4560 0x0400);
4561 bnx2x_cl45_write(bp, phy,
4562 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
4563 0x0004);
4564 }
4565 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
4566 return 0;
4567}
4568
4569static u8 bnx2x_8706_read_status(struct bnx2x_phy *phy,
4570 struct link_params *params,
4571 struct link_vars *vars)
4572{
4573 return bnx2x_8706_8726_read_status(phy, params, vars);
4574}
4575
4576/******************************************************************/
4577/* BCM8726 PHY SECTION */
4578/******************************************************************/
4579static void bnx2x_8726_config_loopback(struct bnx2x_phy *phy,
4580 struct link_params *params)
4581{
4582 struct bnx2x *bp = params->bp;
4583 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
4584 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0001);
4585}
4586
4587static void bnx2x_8726_external_rom_boot(struct bnx2x_phy *phy,
4588 struct link_params *params)
4589{
4590 struct bnx2x *bp = params->bp;
4591 /* Need to wait 100ms after reset */
4592 msleep(100);
4593
4594 /* Micro controller re-boot */
4595 bnx2x_cl45_write(bp, phy,
4596 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x018B);
4597
4598 /* Set soft reset */
4599 bnx2x_cl45_write(bp, phy,
4600 MDIO_PMA_DEVAD,
4601 MDIO_PMA_REG_GEN_CTRL,
4602 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
4603
4604 bnx2x_cl45_write(bp, phy,
4605 MDIO_PMA_DEVAD,
4606 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
4607
4608 bnx2x_cl45_write(bp, phy,
4609 MDIO_PMA_DEVAD,
4610 MDIO_PMA_REG_GEN_CTRL,
4611 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
4612
4613 /* wait for 150ms for microcode load */
4614 msleep(150);
4615
4616 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
4617 bnx2x_cl45_write(bp, phy,
4618 MDIO_PMA_DEVAD,
4619 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
4620
4621 msleep(200);
4622 bnx2x_save_bcm_spirom_ver(bp, phy, params->port);
4623}
4624
4625static u8 bnx2x_8726_read_status(struct bnx2x_phy *phy,
4626 struct link_params *params,
4627 struct link_vars *vars)
4628{
4629 struct bnx2x *bp = params->bp;
4630 u16 val1;
4631 u8 link_up = bnx2x_8706_8726_read_status(phy, params, vars);
4632 if (link_up) {
4633 bnx2x_cl45_read(bp, phy,
4634 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER,
4635 &val1);
4636 if (val1 & (1<<15)) {
4637 DP(NETIF_MSG_LINK, "Tx is disabled\n");
4638 link_up = 0;
4639 vars->line_speed = 0;
4640 }
4641 }
4642 return link_up;
4643}
4644
4645
4646static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
4647 struct link_params *params,
4648 struct link_vars *vars)
4649{
4650 struct bnx2x *bp = params->bp;
4651 u32 val;
4652 u32 swap_val, swap_override, aeu_gpio_mask, offset;
4653 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
4654 /* Restore normal power mode*/
4655 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
4656 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
4657
4658 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
4659 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
4660
4661 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
4662 bnx2x_wait_reset_complete(bp, phy);
4663
4664 bnx2x_8726_external_rom_boot(phy, params);
4665
4666 /* Need to call module detected on initialization since
4667 the module detection triggered by actual module
4668 insertion might occur before driver is loaded, and when
4669 driver is loaded, it reset all registers, including the
4670 transmitter */
4671 bnx2x_sfp_module_detection(phy, params);
4672
4673 if (phy->req_line_speed == SPEED_1000) {
4674 DP(NETIF_MSG_LINK, "Setting 1G force\n");
4675 bnx2x_cl45_write(bp, phy,
4676 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
4677 bnx2x_cl45_write(bp, phy,
4678 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
4679 bnx2x_cl45_write(bp, phy,
4680 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x5);
4681 bnx2x_cl45_write(bp, phy,
4682 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
4683 0x400);
4684 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
4685 (phy->speed_cap_mask &
4686 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) &&
4687 ((phy->speed_cap_mask &
4688 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
4689 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4690 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
4691 /* Set Flow control */
4692 bnx2x_ext_phy_set_pause(params, phy, vars);
4693 bnx2x_cl45_write(bp, phy,
4694 MDIO_AN_DEVAD, MDIO_AN_REG_ADV, 0x20);
4695 bnx2x_cl45_write(bp, phy,
4696 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_CL73, 0x040c);
4697 bnx2x_cl45_write(bp, phy,
4698 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_FC_LD, 0x0020);
4699 bnx2x_cl45_write(bp, phy,
4700 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1000);
4701 bnx2x_cl45_write(bp, phy,
4702 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x1200);
4703 /* Enable RX-ALARM control to receive
4704 interrupt for 1G speed change */
4705 bnx2x_cl45_write(bp, phy,
4706 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x4);
4707 bnx2x_cl45_write(bp, phy,
4708 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
4709 0x400);
4710
4711 } else { /* Default 10G. Set only LASI control */
4712 bnx2x_cl45_write(bp, phy,
4713 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 1);
4714 }
4715
4716 /* Set TX PreEmphasis if needed */
4717 if ((params->feature_config_flags &
4718 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
4719 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
4720 "TX_CTRL2 0x%x\n",
4721 phy->tx_preemphasis[0],
4722 phy->tx_preemphasis[1]);
4723 bnx2x_cl45_write(bp, phy,
4724 MDIO_PMA_DEVAD,
4725 MDIO_PMA_REG_8726_TX_CTRL1,
4726 phy->tx_preemphasis[0]);
4727
4728 bnx2x_cl45_write(bp, phy,
4729 MDIO_PMA_DEVAD,
4730 MDIO_PMA_REG_8726_TX_CTRL2,
4731 phy->tx_preemphasis[1]);
4732 }
4733
4734 /* Set GPIO3 to trigger SFP+ module insertion/removal */
4735 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
4736 MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
4737
4738 /* The GPIO should be swapped if the swap register is set and active */
4739 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
4740 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4741
4742 /* Select function upon port-swap configuration */
4743 if (params->port == 0) {
4744 offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
4745 aeu_gpio_mask = (swap_val && swap_override) ?
4746 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
4747 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
4748 } else {
4749 offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
4750 aeu_gpio_mask = (swap_val && swap_override) ?
4751 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
4752 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
4753 }
4754 val = REG_RD(bp, offset);
4755 /* add GPIO3 to group */
4756 val |= aeu_gpio_mask;
4757 REG_WR(bp, offset, val);
4758 return 0;
4759
4760}
4761
4762static void bnx2x_8726_link_reset(struct bnx2x_phy *phy,
4763 struct link_params *params)
4764{
4765 struct bnx2x *bp = params->bp;
4766 DP(NETIF_MSG_LINK, "bnx2x_8726_link_reset port %d\n", params->port);
4767 /* Set serial boot control for external load */
4768 bnx2x_cl45_write(bp, phy,
4769 MDIO_PMA_DEVAD,
4770 MDIO_PMA_REG_GEN_CTRL, 0x0001);
4771}
4772
4773/******************************************************************/
4774/* BCM8727 PHY SECTION */
4775/******************************************************************/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004776
4777static void bnx2x_8727_set_link_led(struct bnx2x_phy *phy,
4778 struct link_params *params, u8 mode)
4779{
4780 struct bnx2x *bp = params->bp;
4781 u16 led_mode_bitmask = 0;
4782 u16 gpio_pins_bitmask = 0;
4783 u16 val;
4784 /* Only NOC flavor requires to set the LED specifically */
4785 if (!(phy->flags & FLAGS_NOC))
4786 return;
4787 switch (mode) {
4788 case LED_MODE_FRONT_PANEL_OFF:
4789 case LED_MODE_OFF:
4790 led_mode_bitmask = 0;
4791 gpio_pins_bitmask = 0x03;
4792 break;
4793 case LED_MODE_ON:
4794 led_mode_bitmask = 0;
4795 gpio_pins_bitmask = 0x02;
4796 break;
4797 case LED_MODE_OPER:
4798 led_mode_bitmask = 0x60;
4799 gpio_pins_bitmask = 0x11;
4800 break;
4801 }
4802 bnx2x_cl45_read(bp, phy,
4803 MDIO_PMA_DEVAD,
4804 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4805 &val);
4806 val &= 0xff8f;
4807 val |= led_mode_bitmask;
4808 bnx2x_cl45_write(bp, phy,
4809 MDIO_PMA_DEVAD,
4810 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4811 val);
4812 bnx2x_cl45_read(bp, phy,
4813 MDIO_PMA_DEVAD,
4814 MDIO_PMA_REG_8727_GPIO_CTRL,
4815 &val);
4816 val &= 0xffe0;
4817 val |= gpio_pins_bitmask;
4818 bnx2x_cl45_write(bp, phy,
4819 MDIO_PMA_DEVAD,
4820 MDIO_PMA_REG_8727_GPIO_CTRL,
4821 val);
4822}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00004823static void bnx2x_8727_hw_reset(struct bnx2x_phy *phy,
4824 struct link_params *params) {
4825 u32 swap_val, swap_override;
4826 u8 port;
4827 /**
4828 * The PHY reset is controlled by GPIO 1. Fake the port number
4829 * to cancel the swap done in set_gpio()
4830 */
4831 struct bnx2x *bp = params->bp;
4832 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
4833 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
4834 port = (swap_val && swap_override) ^ 1;
4835 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
4836 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
4837}
4838
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004839static u8 bnx2x_8727_config_init(struct bnx2x_phy *phy,
4840 struct link_params *params,
4841 struct link_vars *vars)
4842{
4843 u16 tmp1, val, mod_abs;
4844 u16 rx_alarm_ctrl_val;
4845 u16 lasi_ctrl_val;
4846 struct bnx2x *bp = params->bp;
4847 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
4848
4849 bnx2x_wait_reset_complete(bp, phy);
4850 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
4851 lasi_ctrl_val = 0x0004;
4852
4853 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
4854 /* enable LASI */
4855 bnx2x_cl45_write(bp, phy,
4856 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
4857 rx_alarm_ctrl_val);
4858
4859 bnx2x_cl45_write(bp, phy,
4860 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, lasi_ctrl_val);
4861
4862 /* Initially configure MOD_ABS to interrupt when
4863 module is presence( bit 8) */
4864 bnx2x_cl45_read(bp, phy,
4865 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
4866 /* Set EDC off by setting OPTXLOS signal input to low
4867 (bit 9).
4868 When the EDC is off it locks onto a reference clock and
4869 avoids becoming 'lost'.*/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004870 mod_abs &= ~(1<<8);
4871 if (!(phy->flags & FLAGS_NOC))
4872 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004873 bnx2x_cl45_write(bp, phy,
4874 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
4875
4876
4877 /* Make MOD_ABS give interrupt on change */
4878 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4879 &val);
4880 val |= (1<<12);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004881 if (phy->flags & FLAGS_NOC)
4882 val |= (3<<5);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004883
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00004884 /**
4885 * Set 8727 GPIOs to input to allow reading from the 8727 GPIO0
4886 * status which reflect SFP+ module over-current
4887 */
4888 if (!(phy->flags & FLAGS_NOC))
4889 val &= 0xff8f; /* Reset bits 4-6 */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004890 bnx2x_cl45_write(bp, phy,
4891 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_PCS_OPT_CTRL, val);
4892
4893 bnx2x_8727_power_module(bp, phy, 1);
4894
4895 bnx2x_cl45_read(bp, phy,
4896 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &tmp1);
4897
4898 bnx2x_cl45_read(bp, phy,
4899 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM, &tmp1);
4900
4901 /* Set option 1G speed */
4902 if (phy->req_line_speed == SPEED_1000) {
4903 DP(NETIF_MSG_LINK, "Setting 1G force\n");
4904 bnx2x_cl45_write(bp, phy,
4905 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x40);
4906 bnx2x_cl45_write(bp, phy,
4907 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, 0xD);
4908 bnx2x_cl45_read(bp, phy,
4909 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2, &tmp1);
4910 DP(NETIF_MSG_LINK, "1.7 = 0x%x\n", tmp1);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004911 /**
4912 * Power down the XAUI until link is up in case of dual-media
4913 * and 1G
4914 */
4915 if (DUAL_MEDIA(params)) {
4916 bnx2x_cl45_read(bp, phy,
4917 MDIO_PMA_DEVAD,
4918 MDIO_PMA_REG_8727_PCS_GP, &val);
4919 val |= (3<<10);
4920 bnx2x_cl45_write(bp, phy,
4921 MDIO_PMA_DEVAD,
4922 MDIO_PMA_REG_8727_PCS_GP, val);
4923 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00004924 } else if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
4925 ((phy->speed_cap_mask &
4926 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) &&
4927 ((phy->speed_cap_mask &
4928 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) !=
4929 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
4930
4931 DP(NETIF_MSG_LINK, "Setting 1G clause37\n");
4932 bnx2x_cl45_write(bp, phy,
4933 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL, 0);
4934 bnx2x_cl45_write(bp, phy,
4935 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x1300);
4936 } else {
4937 /**
4938 * Since the 8727 has only single reset pin, need to set the 10G
4939 * registers although it is default
4940 */
4941 bnx2x_cl45_write(bp, phy,
4942 MDIO_AN_DEVAD, MDIO_AN_REG_8727_MISC_CTRL,
4943 0x0020);
4944 bnx2x_cl45_write(bp, phy,
4945 MDIO_AN_DEVAD, MDIO_AN_REG_CL37_AN, 0x0100);
4946 bnx2x_cl45_write(bp, phy,
4947 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x2040);
4948 bnx2x_cl45_write(bp, phy,
4949 MDIO_PMA_DEVAD, MDIO_PMA_REG_10G_CTRL2,
4950 0x0008);
4951 }
4952
4953 /* Set 2-wire transfer rate of SFP+ module EEPROM
4954 * to 100Khz since some DACs(direct attached cables) do
4955 * not work at 400Khz.
4956 */
4957 bnx2x_cl45_write(bp, phy,
4958 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
4959 0xa001);
4960
4961 /* Set TX PreEmphasis if needed */
4962 if ((params->feature_config_flags &
4963 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
4964 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x, TX_CTRL2 0x%x\n",
4965 phy->tx_preemphasis[0],
4966 phy->tx_preemphasis[1]);
4967 bnx2x_cl45_write(bp, phy,
4968 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL1,
4969 phy->tx_preemphasis[0]);
4970
4971 bnx2x_cl45_write(bp, phy,
4972 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TX_CTRL2,
4973 phy->tx_preemphasis[1]);
4974 }
4975
4976 return 0;
4977}
4978
4979static void bnx2x_8727_handle_mod_abs(struct bnx2x_phy *phy,
4980 struct link_params *params)
4981{
4982 struct bnx2x *bp = params->bp;
4983 u16 mod_abs, rx_alarm_status;
4984 u32 val = REG_RD(bp, params->shmem_base +
4985 offsetof(struct shmem_region, dev_info.
4986 port_feature_config[params->port].
4987 config));
4988 bnx2x_cl45_read(bp, phy,
4989 MDIO_PMA_DEVAD,
4990 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
4991 if (mod_abs & (1<<8)) {
4992
4993 /* Module is absent */
4994 DP(NETIF_MSG_LINK, "MOD_ABS indication "
4995 "show module is absent\n");
4996
4997 /* 1. Set mod_abs to detect next module
4998 presence event
4999 2. Set EDC off by setting OPTXLOS signal input to low
5000 (bit 9).
5001 When the EDC is off it locks onto a reference clock and
5002 avoids becoming 'lost'.*/
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005003 mod_abs &= ~(1<<8);
5004 if (!(phy->flags & FLAGS_NOC))
5005 mod_abs &= ~(1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005006 bnx2x_cl45_write(bp, phy,
5007 MDIO_PMA_DEVAD,
5008 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5009
5010 /* Clear RX alarm since it stays up as long as
5011 the mod_abs wasn't changed */
5012 bnx2x_cl45_read(bp, phy,
5013 MDIO_PMA_DEVAD,
5014 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5015
5016 } else {
5017 /* Module is present */
5018 DP(NETIF_MSG_LINK, "MOD_ABS indication "
5019 "show module is present\n");
5020 /* First thing, disable transmitter,
5021 and if the module is ok, the
5022 module_detection will enable it*/
5023
5024 /* 1. Set mod_abs to detect next module
5025 absent event ( bit 8)
5026 2. Restore the default polarity of the OPRXLOS signal and
5027 this signal will then correctly indicate the presence or
5028 absence of the Rx signal. (bit 9) */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005029 mod_abs |= (1<<8);
5030 if (!(phy->flags & FLAGS_NOC))
5031 mod_abs |= (1<<9);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005032 bnx2x_cl45_write(bp, phy,
5033 MDIO_PMA_DEVAD,
5034 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
5035
5036 /* Clear RX alarm since it stays up as long as
5037 the mod_abs wasn't changed. This is need to be done
5038 before calling the module detection, otherwise it will clear
5039 the link update alarm */
5040 bnx2x_cl45_read(bp, phy,
5041 MDIO_PMA_DEVAD,
5042 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5043
5044
5045 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
5046 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
5047 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
5048
5049 if (bnx2x_wait_for_sfp_module_initialized(phy, params) == 0)
5050 bnx2x_sfp_module_detection(phy, params);
5051 else
5052 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
5053 }
5054
5055 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
5056 rx_alarm_status);
5057 /* No need to check link status in case of
5058 module plugged in/out */
5059}
5060
5061static u8 bnx2x_8727_read_status(struct bnx2x_phy *phy,
5062 struct link_params *params,
5063 struct link_vars *vars)
5064
5065{
5066 struct bnx2x *bp = params->bp;
5067 u8 link_up = 0;
5068 u16 link_status = 0;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005069 u16 rx_alarm_status, lasi_ctrl, val1;
5070
5071 /* If PHY is not initialized, do not check link status */
5072 bnx2x_cl45_read(bp, phy,
5073 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL,
5074 &lasi_ctrl);
5075 if (!lasi_ctrl)
5076 return 0;
5077
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005078 /* Check the LASI */
5079 bnx2x_cl45_read(bp, phy,
5080 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
5081 &rx_alarm_status);
5082 vars->line_speed = 0;
5083 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n", rx_alarm_status);
5084
5085 bnx2x_cl45_read(bp, phy,
5086 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5087
5088 DP(NETIF_MSG_LINK, "8727 LASI status 0x%x\n", val1);
5089
5090 /* Clear MSG-OUT */
5091 bnx2x_cl45_read(bp, phy,
5092 MDIO_PMA_DEVAD, MDIO_PMA_REG_M8051_MSGOUT_REG, &val1);
5093
5094 /**
5095 * If a module is present and there is need to check
5096 * for over current
5097 */
5098 if (!(phy->flags & FLAGS_NOC) && !(rx_alarm_status & (1<<5))) {
5099 /* Check over-current using 8727 GPIO0 input*/
5100 bnx2x_cl45_read(bp, phy,
5101 MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_GPIO_CTRL,
5102 &val1);
5103
5104 if ((val1 & (1<<8)) == 0) {
5105 DP(NETIF_MSG_LINK, "8727 Power fault has been detected"
5106 " on port %d\n", params->port);
5107 netdev_err(bp->dev, "Error: Power fault on Port %d has"
5108 " been detected and the power to "
5109 "that SFP+ module has been removed"
5110 " to prevent failure of the card."
5111 " Please remove the SFP+ module and"
5112 " restart the system to clear this"
5113 " error.\n",
5114 params->port);
5115
5116 /*
5117 * Disable all RX_ALARMs except for
5118 * mod_abs
5119 */
5120 bnx2x_cl45_write(bp, phy,
5121 MDIO_PMA_DEVAD,
5122 MDIO_PMA_REG_RX_ALARM_CTRL, (1<<5));
5123
5124 bnx2x_cl45_read(bp, phy,
5125 MDIO_PMA_DEVAD,
5126 MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
5127 /* Wait for module_absent_event */
5128 val1 |= (1<<8);
5129 bnx2x_cl45_write(bp, phy,
5130 MDIO_PMA_DEVAD,
5131 MDIO_PMA_REG_PHY_IDENTIFIER, val1);
5132 /* Clear RX alarm */
5133 bnx2x_cl45_read(bp, phy,
5134 MDIO_PMA_DEVAD,
5135 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
5136 return 0;
5137 }
5138 } /* Over current check */
5139
5140 /* When module absent bit is set, check module */
5141 if (rx_alarm_status & (1<<5)) {
5142 bnx2x_8727_handle_mod_abs(phy, params);
5143 /* Enable all mod_abs and link detection bits */
5144 bnx2x_cl45_write(bp, phy,
5145 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM_CTRL,
5146 ((1<<5) | (1<<2)));
5147 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005148 DP(NETIF_MSG_LINK, "Enabling 8727 TX laser if SFP is approved\n");
5149 bnx2x_8727_specific_func(phy, params, ENABLE_TX);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005150 /* If transmitter is disabled, ignore false link up indication */
5151 bnx2x_cl45_read(bp, phy,
5152 MDIO_PMA_DEVAD, MDIO_PMA_REG_PHY_IDENTIFIER, &val1);
5153 if (val1 & (1<<15)) {
5154 DP(NETIF_MSG_LINK, "Tx is disabled\n");
5155 return 0;
5156 }
5157
5158 bnx2x_cl45_read(bp, phy,
5159 MDIO_PMA_DEVAD,
5160 MDIO_PMA_REG_8073_SPEED_LINK_STATUS, &link_status);
5161
5162 /* Bits 0..2 --> speed detected,
5163 bits 13..15--> link is down */
5164 if ((link_status & (1<<2)) && (!(link_status & (1<<15)))) {
5165 link_up = 1;
5166 vars->line_speed = SPEED_10000;
5167 } else if ((link_status & (1<<0)) && (!(link_status & (1<<13)))) {
5168 link_up = 1;
5169 vars->line_speed = SPEED_1000;
5170 DP(NETIF_MSG_LINK, "port %x: External link up in 1G\n",
5171 params->port);
5172 } else {
5173 link_up = 0;
5174 DP(NETIF_MSG_LINK, "port %x: External link is down\n",
5175 params->port);
5176 }
5177 if (link_up)
5178 bnx2x_ext_phy_resolve_fc(phy, params, vars);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005179
5180 if ((DUAL_MEDIA(params)) &&
5181 (phy->req_line_speed == SPEED_1000)) {
5182 bnx2x_cl45_read(bp, phy,
5183 MDIO_PMA_DEVAD,
5184 MDIO_PMA_REG_8727_PCS_GP, &val1);
5185 /**
5186 * In case of dual-media board and 1G, power up the XAUI side,
5187 * otherwise power it down. For 10G it is done automatically
5188 */
5189 if (link_up)
5190 val1 &= ~(3<<10);
5191 else
5192 val1 |= (3<<10);
5193 bnx2x_cl45_write(bp, phy,
5194 MDIO_PMA_DEVAD,
5195 MDIO_PMA_REG_8727_PCS_GP, val1);
5196 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005197 return link_up;
5198}
5199
5200static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
5201 struct link_params *params)
5202{
5203 struct bnx2x *bp = params->bp;
5204 /* Disable Transmitter */
5205 bnx2x_sfp_set_transmitter(bp, phy, params->port, 0);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005206 /* Clear LASI */
5207 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0);
5208
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005209}
5210
5211/******************************************************************/
5212/* BCM8481/BCM84823/BCM84833 PHY SECTION */
5213/******************************************************************/
5214static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
5215 struct link_params *params)
5216{
5217 u16 val, fw_ver1, fw_ver2, cnt;
5218 struct bnx2x *bp = params->bp;
5219
5220 /* For the 32 bits registers in 848xx, access via MDIO2ARM interface.*/
5221 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
5222 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0014);
5223 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
5224 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81B, 0x0000);
5225 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81C, 0x0300);
5226 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x0009);
5227
5228 for (cnt = 0; cnt < 100; cnt++) {
5229 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
5230 if (val & 1)
5231 break;
5232 udelay(5);
5233 }
5234 if (cnt == 100) {
5235 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(1)\n");
5236 bnx2x_save_spirom_version(bp, params->port, 0,
5237 phy->ver_addr);
5238 return;
5239 }
5240
5241
5242 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
5243 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA819, 0x0000);
5244 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA81A, 0xc200);
5245 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, 0xA817, 0x000A);
5246 for (cnt = 0; cnt < 100; cnt++) {
5247 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA818, &val);
5248 if (val & 1)
5249 break;
5250 udelay(5);
5251 }
5252 if (cnt == 100) {
5253 DP(NETIF_MSG_LINK, "Unable to read 848xx phy fw version(2)\n");
5254 bnx2x_save_spirom_version(bp, params->port, 0,
5255 phy->ver_addr);
5256 return;
5257 }
5258
5259 /* lower 16 bits of the register SPI_FW_STATUS */
5260 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81B, &fw_ver1);
5261 /* upper 16 bits of register SPI_FW_STATUS */
5262 bnx2x_cl45_read(bp, phy, MDIO_PMA_DEVAD, 0xA81C, &fw_ver2);
5263
5264 bnx2x_save_spirom_version(bp, params->port, (fw_ver2<<16) | fw_ver1,
5265 phy->ver_addr);
5266}
5267
5268static void bnx2x_848xx_set_led(struct bnx2x *bp,
5269 struct bnx2x_phy *phy)
5270{
5271 u16 val;
5272
5273 /* PHYC_CTL_LED_CTL */
5274 bnx2x_cl45_read(bp, phy,
5275 MDIO_PMA_DEVAD,
5276 MDIO_PMA_REG_8481_LINK_SIGNAL, &val);
5277 val &= 0xFE00;
5278 val |= 0x0092;
5279
5280 bnx2x_cl45_write(bp, phy,
5281 MDIO_PMA_DEVAD,
5282 MDIO_PMA_REG_8481_LINK_SIGNAL, val);
5283
5284 bnx2x_cl45_write(bp, phy,
5285 MDIO_PMA_DEVAD,
5286 MDIO_PMA_REG_8481_LED1_MASK,
5287 0x80);
5288
5289 bnx2x_cl45_write(bp, phy,
5290 MDIO_PMA_DEVAD,
5291 MDIO_PMA_REG_8481_LED2_MASK,
5292 0x18);
5293
5294 bnx2x_cl45_write(bp, phy,
5295 MDIO_PMA_DEVAD,
5296 MDIO_PMA_REG_8481_LED3_MASK,
5297 0x0040);
5298
5299 /* 'Interrupt Mask' */
5300 bnx2x_cl45_write(bp, phy,
5301 MDIO_AN_DEVAD,
5302 0xFFFB, 0xFFFD);
5303}
5304
5305static u8 bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005306 struct link_params *params,
5307 struct link_vars *vars)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005308{
5309 struct bnx2x *bp = params->bp;
5310 u16 autoneg_val, an_1000_val, an_10_100_val;
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00005311
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005312 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
5313 1 << NIG_LATCH_BC_ENABLE_MI_INT);
5314
5315 bnx2x_cl45_write(bp, phy,
5316 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 0x0000);
5317
5318 bnx2x_848xx_set_led(bp, phy);
5319
5320 /* set 1000 speed advertisement */
5321 bnx2x_cl45_read(bp, phy,
5322 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
5323 &an_1000_val);
5324
5325 bnx2x_ext_phy_set_pause(params, phy, vars);
5326 bnx2x_cl45_read(bp, phy,
5327 MDIO_AN_DEVAD,
5328 MDIO_AN_REG_8481_LEGACY_AN_ADV,
5329 &an_10_100_val);
5330 bnx2x_cl45_read(bp, phy,
5331 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_MII_CTRL,
5332 &autoneg_val);
5333 /* Disable forced speed */
5334 autoneg_val &= ~((1<<6) | (1<<8) | (1<<9) | (1<<12) | (1<<13));
5335 an_10_100_val &= ~((1<<5) | (1<<6) | (1<<7) | (1<<8));
5336
5337 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5338 (phy->speed_cap_mask &
5339 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) ||
5340 (phy->req_line_speed == SPEED_1000)) {
5341 an_1000_val |= (1<<8);
5342 autoneg_val |= (1<<9 | 1<<12);
5343 if (phy->req_duplex == DUPLEX_FULL)
5344 an_1000_val |= (1<<9);
5345 DP(NETIF_MSG_LINK, "Advertising 1G\n");
5346 } else
5347 an_1000_val &= ~((1<<8) | (1<<9));
5348
5349 bnx2x_cl45_write(bp, phy,
5350 MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
5351 an_1000_val);
5352
5353 /* set 10 speed advertisement */
5354 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5355 (phy->speed_cap_mask &
5356 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
5357 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)))) {
5358 an_10_100_val |= (1<<7);
5359 /* Enable autoneg and restart autoneg for legacy speeds */
5360 autoneg_val |= (1<<9 | 1<<12);
5361
5362 if (phy->req_duplex == DUPLEX_FULL)
5363 an_10_100_val |= (1<<8);
5364 DP(NETIF_MSG_LINK, "Advertising 100M\n");
5365 }
5366 /* set 10 speed advertisement */
5367 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5368 (phy->speed_cap_mask &
5369 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
5370 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)))) {
5371 an_10_100_val |= (1<<5);
5372 autoneg_val |= (1<<9 | 1<<12);
5373 if (phy->req_duplex == DUPLEX_FULL)
5374 an_10_100_val |= (1<<6);
5375 DP(NETIF_MSG_LINK, "Advertising 10M\n");
5376 }
5377
5378 /* Only 10/100 are allowed to work in FORCE mode */
5379 if (phy->req_line_speed == SPEED_100) {
5380 autoneg_val |= (1<<13);
5381 /* Enabled AUTO-MDIX when autoneg is disabled */
5382 bnx2x_cl45_write(bp, phy,
5383 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
5384 (1<<15 | 1<<9 | 7<<0));
5385 DP(NETIF_MSG_LINK, "Setting 100M force\n");
5386 }
5387 if (phy->req_line_speed == SPEED_10) {
5388 /* Enabled AUTO-MDIX when autoneg is disabled */
5389 bnx2x_cl45_write(bp, phy,
5390 MDIO_AN_DEVAD, MDIO_AN_REG_8481_AUX_CTRL,
5391 (1<<15 | 1<<9 | 7<<0));
5392 DP(NETIF_MSG_LINK, "Setting 10M force\n");
5393 }
5394
5395 bnx2x_cl45_write(bp, phy,
5396 MDIO_AN_DEVAD, MDIO_AN_REG_8481_LEGACY_AN_ADV,
5397 an_10_100_val);
5398
5399 if (phy->req_duplex == DUPLEX_FULL)
5400 autoneg_val |= (1<<8);
5401
5402 bnx2x_cl45_write(bp, phy,
5403 MDIO_AN_DEVAD,
5404 MDIO_AN_REG_8481_LEGACY_MII_CTRL, autoneg_val);
5405
5406 if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
5407 (phy->speed_cap_mask &
5408 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) ||
5409 (phy->req_line_speed == SPEED_10000)) {
5410 DP(NETIF_MSG_LINK, "Advertising 10G\n");
5411 /* Restart autoneg for 10G*/
5412
5413 bnx2x_cl45_write(bp, phy,
5414 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL,
5415 0x3200);
5416 } else if (phy->req_line_speed != SPEED_10 &&
5417 phy->req_line_speed != SPEED_100) {
5418 bnx2x_cl45_write(bp, phy,
5419 MDIO_AN_DEVAD,
5420 MDIO_AN_REG_8481_10GBASE_T_AN_CTRL,
5421 1);
5422 }
5423 /* Save spirom version */
5424 bnx2x_save_848xx_spirom_version(phy, params);
5425
5426 return 0;
5427}
5428
5429static u8 bnx2x_8481_config_init(struct bnx2x_phy *phy,
5430 struct link_params *params,
5431 struct link_vars *vars)
5432{
5433 struct bnx2x *bp = params->bp;
5434 /* Restore normal power mode*/
5435 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
5436 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5437
5438 /* HW reset */
5439 bnx2x_ext_phy_hw_reset(bp, params->port);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00005440 bnx2x_wait_reset_complete(bp, phy);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005441
5442 bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1<<15);
5443 return bnx2x_848xx_cmn_config_init(phy, params, vars);
5444}
5445
5446static u8 bnx2x_848x3_config_init(struct bnx2x_phy *phy,
5447 struct link_params *params,
5448 struct link_vars *vars)
5449{
5450 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00005451 u8 port, initialize = 1;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005452 u16 val;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005453 u16 temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005454 u32 actual_phy_selection;
5455 u8 rc = 0;
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005456
5457 /* This is just for MDIO_CTL_REG_84823_MEDIA register. */
5458
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005459 msleep(1);
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00005460 if (CHIP_IS_E2(bp))
5461 port = BP_PATH(bp);
5462 else
5463 port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005464 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
5465 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005466 port);
Yaniv Rosner9bffeac2010-11-01 05:32:27 +00005467 bnx2x_wait_reset_complete(bp, phy);
5468 /* Wait for GPHY to come out of reset */
5469 msleep(50);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005470 /* BCM84823 requires that XGXS links up first @ 10G for normal
5471 behavior */
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005472 temp = vars->line_speed;
5473 vars->line_speed = SPEED_10000;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005474 bnx2x_set_autoneg(&params->phy[INT_PHY], params, vars, 0);
5475 bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005476 vars->line_speed = temp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005477
5478 /* Set dual-media configuration according to configuration */
5479
5480 bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
5481 MDIO_CTL_REG_84823_MEDIA, &val);
5482 val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
5483 MDIO_CTL_REG_84823_MEDIA_LINE_MASK |
5484 MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN |
5485 MDIO_CTL_REG_84823_MEDIA_PRIORITY_MASK |
5486 MDIO_CTL_REG_84823_MEDIA_FIBER_1G);
5487 val |= MDIO_CTL_REG_84823_CTRL_MAC_XFI |
5488 MDIO_CTL_REG_84823_MEDIA_LINE_XAUI_L;
5489
5490 actual_phy_selection = bnx2x_phy_selection(params);
5491
5492 switch (actual_phy_selection) {
5493 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
5494 /* Do nothing. Essentialy this is like the priority copper */
5495 break;
5496 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
5497 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_COPPER;
5498 break;
5499 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
5500 val |= MDIO_CTL_REG_84823_MEDIA_PRIORITY_FIBER;
5501 break;
5502 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
5503 /* Do nothing here. The first PHY won't be initialized at all */
5504 break;
5505 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
5506 val |= MDIO_CTL_REG_84823_MEDIA_COPPER_CORE_DOWN;
5507 initialize = 0;
5508 break;
5509 }
5510 if (params->phy[EXT_PHY2].req_line_speed == SPEED_1000)
5511 val |= MDIO_CTL_REG_84823_MEDIA_FIBER_1G;
5512
5513 bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
5514 MDIO_CTL_REG_84823_MEDIA, val);
5515 DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
5516 params->multi_phy_config, val);
5517
5518 if (initialize)
5519 rc = bnx2x_848xx_cmn_config_init(phy, params, vars);
5520 else
5521 bnx2x_save_848xx_spirom_version(phy, params);
5522 return rc;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005523}
5524
5525static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
5526 struct link_params *params,
5527 struct link_vars *vars)
5528{
5529 struct bnx2x *bp = params->bp;
5530 u16 val, val1, val2;
5531 u8 link_up = 0;
5532
5533 /* Check 10G-BaseT link status */
5534 /* Check PMD signal ok */
5535 bnx2x_cl45_read(bp, phy,
5536 MDIO_AN_DEVAD, 0xFFFA, &val1);
5537 bnx2x_cl45_read(bp, phy,
5538 MDIO_PMA_DEVAD, MDIO_PMA_REG_8481_PMD_SIGNAL,
5539 &val2);
5540 DP(NETIF_MSG_LINK, "BCM848xx: PMD_SIGNAL 1.a811 = 0x%x\n", val2);
5541
5542 /* Check link 10G */
5543 if (val2 & (1<<11)) {
5544 vars->line_speed = SPEED_10000;
5545 link_up = 1;
5546 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
5547 } else { /* Check Legacy speed link */
5548 u16 legacy_status, legacy_speed;
5549
5550 /* Enable expansion register 0x42 (Operation mode status) */
5551 bnx2x_cl45_write(bp, phy,
5552 MDIO_AN_DEVAD,
5553 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS, 0xf42);
5554
5555 /* Get legacy speed operation status */
5556 bnx2x_cl45_read(bp, phy,
5557 MDIO_AN_DEVAD,
5558 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
5559 &legacy_status);
5560
5561 DP(NETIF_MSG_LINK, "Legacy speed status"
5562 " = 0x%x\n", legacy_status);
5563 link_up = ((legacy_status & (1<<11)) == (1<<11));
5564 if (link_up) {
5565 legacy_speed = (legacy_status & (3<<9));
5566 if (legacy_speed == (0<<9))
5567 vars->line_speed = SPEED_10;
5568 else if (legacy_speed == (1<<9))
5569 vars->line_speed = SPEED_100;
5570 else if (legacy_speed == (2<<9))
5571 vars->line_speed = SPEED_1000;
5572 else /* Should not happen */
5573 vars->line_speed = 0;
5574
5575 if (legacy_status & (1<<8))
5576 vars->duplex = DUPLEX_FULL;
5577 else
5578 vars->duplex = DUPLEX_HALF;
5579
5580 DP(NETIF_MSG_LINK, "Link is up in %dMbps,"
5581 " is_duplex_full= %d\n", vars->line_speed,
5582 (vars->duplex == DUPLEX_FULL));
5583 /* Check legacy speed AN resolution */
5584 bnx2x_cl45_read(bp, phy,
5585 MDIO_AN_DEVAD,
5586 MDIO_AN_REG_8481_LEGACY_MII_STATUS,
5587 &val);
5588 if (val & (1<<5))
5589 vars->link_status |=
5590 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
5591 bnx2x_cl45_read(bp, phy,
5592 MDIO_AN_DEVAD,
5593 MDIO_AN_REG_8481_LEGACY_AN_EXPANSION,
5594 &val);
5595 if ((val & (1<<0)) == 0)
5596 vars->link_status |=
5597 LINK_STATUS_PARALLEL_DETECTION_USED;
5598 }
5599 }
5600 if (link_up) {
5601 DP(NETIF_MSG_LINK, "BCM84823: link speed is %d\n",
5602 vars->line_speed);
5603 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5604 }
5605
5606 return link_up;
5607}
5608
5609static u8 bnx2x_848xx_format_ver(u32 raw_ver, u8 *str, u16 *len)
5610{
5611 u8 status = 0;
5612 u32 spirom_ver;
5613 spirom_ver = ((raw_ver & 0xF80) >> 7) << 16 | (raw_ver & 0x7F);
5614 status = bnx2x_format_ver(spirom_ver, str, len);
5615 return status;
5616}
5617
5618static void bnx2x_8481_hw_reset(struct bnx2x_phy *phy,
5619 struct link_params *params)
5620{
5621 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
5622 MISC_REGISTERS_GPIO_OUTPUT_LOW, 0);
5623 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
5624 MISC_REGISTERS_GPIO_OUTPUT_LOW, 1);
5625}
5626
5627static void bnx2x_8481_link_reset(struct bnx2x_phy *phy,
5628 struct link_params *params)
5629{
5630 bnx2x_cl45_write(params->bp, phy,
5631 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, 0x0000);
5632 bnx2x_cl45_write(params->bp, phy,
5633 MDIO_PMA_DEVAD, MDIO_PMA_REG_CTRL, 1);
5634}
5635
5636static void bnx2x_848x3_link_reset(struct bnx2x_phy *phy,
5637 struct link_params *params)
5638{
5639 struct bnx2x *bp = params->bp;
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00005640 u8 port;
5641 if (CHIP_IS_E2(bp))
5642 port = BP_PATH(bp);
5643 else
5644 port = params->port;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005645 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
5646 MISC_REGISTERS_GPIO_OUTPUT_LOW,
5647 port);
5648}
5649
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005650static void bnx2x_848xx_set_link_led(struct bnx2x_phy *phy,
5651 struct link_params *params, u8 mode)
5652{
5653 struct bnx2x *bp = params->bp;
5654 u16 val;
5655
5656 switch (mode) {
5657 case LED_MODE_OFF:
5658
5659 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OFF\n", params->port);
5660
5661 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
5662 SHARED_HW_CFG_LED_EXTPHY1) {
5663
5664 /* Set LED masks */
5665 bnx2x_cl45_write(bp, phy,
5666 MDIO_PMA_DEVAD,
5667 MDIO_PMA_REG_8481_LED1_MASK,
5668 0x0);
5669
5670 bnx2x_cl45_write(bp, phy,
5671 MDIO_PMA_DEVAD,
5672 MDIO_PMA_REG_8481_LED2_MASK,
5673 0x0);
5674
5675 bnx2x_cl45_write(bp, phy,
5676 MDIO_PMA_DEVAD,
5677 MDIO_PMA_REG_8481_LED3_MASK,
5678 0x0);
5679
5680 bnx2x_cl45_write(bp, phy,
5681 MDIO_PMA_DEVAD,
5682 MDIO_PMA_REG_8481_LED5_MASK,
5683 0x0);
5684
5685 } else {
5686 bnx2x_cl45_write(bp, phy,
5687 MDIO_PMA_DEVAD,
5688 MDIO_PMA_REG_8481_LED1_MASK,
5689 0x0);
5690 }
5691 break;
5692 case LED_MODE_FRONT_PANEL_OFF:
5693
5694 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE FRONT PANEL OFF\n",
5695 params->port);
5696
5697 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
5698 SHARED_HW_CFG_LED_EXTPHY1) {
5699
5700 /* Set LED masks */
5701 bnx2x_cl45_write(bp, phy,
5702 MDIO_PMA_DEVAD,
5703 MDIO_PMA_REG_8481_LED1_MASK,
5704 0x0);
5705
5706 bnx2x_cl45_write(bp, phy,
5707 MDIO_PMA_DEVAD,
5708 MDIO_PMA_REG_8481_LED2_MASK,
5709 0x0);
5710
5711 bnx2x_cl45_write(bp, phy,
5712 MDIO_PMA_DEVAD,
5713 MDIO_PMA_REG_8481_LED3_MASK,
5714 0x0);
5715
5716 bnx2x_cl45_write(bp, phy,
5717 MDIO_PMA_DEVAD,
5718 MDIO_PMA_REG_8481_LED5_MASK,
5719 0x20);
5720
5721 } else {
5722 bnx2x_cl45_write(bp, phy,
5723 MDIO_PMA_DEVAD,
5724 MDIO_PMA_REG_8481_LED1_MASK,
5725 0x0);
5726 }
5727 break;
5728 case LED_MODE_ON:
5729
5730 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE ON\n", params->port);
5731
5732 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
5733 SHARED_HW_CFG_LED_EXTPHY1) {
5734 /* Set control reg */
5735 bnx2x_cl45_read(bp, phy,
5736 MDIO_PMA_DEVAD,
5737 MDIO_PMA_REG_8481_LINK_SIGNAL,
5738 &val);
5739 val &= 0x8000;
5740 val |= 0x2492;
5741
5742 bnx2x_cl45_write(bp, phy,
5743 MDIO_PMA_DEVAD,
5744 MDIO_PMA_REG_8481_LINK_SIGNAL,
5745 val);
5746
5747 /* Set LED masks */
5748 bnx2x_cl45_write(bp, phy,
5749 MDIO_PMA_DEVAD,
5750 MDIO_PMA_REG_8481_LED1_MASK,
5751 0x0);
5752
5753 bnx2x_cl45_write(bp, phy,
5754 MDIO_PMA_DEVAD,
5755 MDIO_PMA_REG_8481_LED2_MASK,
5756 0x20);
5757
5758 bnx2x_cl45_write(bp, phy,
5759 MDIO_PMA_DEVAD,
5760 MDIO_PMA_REG_8481_LED3_MASK,
5761 0x20);
5762
5763 bnx2x_cl45_write(bp, phy,
5764 MDIO_PMA_DEVAD,
5765 MDIO_PMA_REG_8481_LED5_MASK,
5766 0x0);
5767 } else {
5768 bnx2x_cl45_write(bp, phy,
5769 MDIO_PMA_DEVAD,
5770 MDIO_PMA_REG_8481_LED1_MASK,
5771 0x20);
5772 }
5773 break;
5774
5775 case LED_MODE_OPER:
5776
5777 DP(NETIF_MSG_LINK, "Port 0x%x: LED MODE OPER\n", params->port);
5778
5779 if ((params->hw_led_mode << SHARED_HW_CFG_LED_MODE_SHIFT) ==
5780 SHARED_HW_CFG_LED_EXTPHY1) {
5781
5782 /* Set control reg */
5783 bnx2x_cl45_read(bp, phy,
5784 MDIO_PMA_DEVAD,
5785 MDIO_PMA_REG_8481_LINK_SIGNAL,
5786 &val);
5787
5788 if (!((val &
5789 MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_MASK)
5790 >> MDIO_PMA_REG_8481_LINK_SIGNAL_LED4_ENABLE_SHIFT)){
5791 DP(NETIF_MSG_LINK, "Seting LINK_SIGNAL\n");
5792 bnx2x_cl45_write(bp, phy,
5793 MDIO_PMA_DEVAD,
5794 MDIO_PMA_REG_8481_LINK_SIGNAL,
5795 0xa492);
5796 }
5797
5798 /* Set LED masks */
5799 bnx2x_cl45_write(bp, phy,
5800 MDIO_PMA_DEVAD,
5801 MDIO_PMA_REG_8481_LED1_MASK,
5802 0x10);
5803
5804 bnx2x_cl45_write(bp, phy,
5805 MDIO_PMA_DEVAD,
5806 MDIO_PMA_REG_8481_LED2_MASK,
5807 0x80);
5808
5809 bnx2x_cl45_write(bp, phy,
5810 MDIO_PMA_DEVAD,
5811 MDIO_PMA_REG_8481_LED3_MASK,
5812 0x98);
5813
5814 bnx2x_cl45_write(bp, phy,
5815 MDIO_PMA_DEVAD,
5816 MDIO_PMA_REG_8481_LED5_MASK,
5817 0x40);
5818
5819 } else {
5820 bnx2x_cl45_write(bp, phy,
5821 MDIO_PMA_DEVAD,
5822 MDIO_PMA_REG_8481_LED1_MASK,
5823 0x80);
5824 }
5825 break;
5826 }
5827}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005828/******************************************************************/
5829/* SFX7101 PHY SECTION */
5830/******************************************************************/
5831static void bnx2x_7101_config_loopback(struct bnx2x_phy *phy,
5832 struct link_params *params)
5833{
5834 struct bnx2x *bp = params->bp;
5835 /* SFX7101_XGXS_TEST1 */
5836 bnx2x_cl45_write(bp, phy,
5837 MDIO_XS_DEVAD, MDIO_XS_SFX7101_XGXS_TEST1, 0x100);
5838}
5839
5840static u8 bnx2x_7101_config_init(struct bnx2x_phy *phy,
5841 struct link_params *params,
5842 struct link_vars *vars)
5843{
5844 u16 fw_ver1, fw_ver2, val;
5845 struct bnx2x *bp = params->bp;
5846 DP(NETIF_MSG_LINK, "Setting the SFX7101 LASI indication\n");
5847
5848 /* Restore normal power mode*/
5849 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
5850 MISC_REGISTERS_GPIO_OUTPUT_HIGH, params->port);
5851 /* HW reset */
5852 bnx2x_ext_phy_hw_reset(bp, params->port);
5853 bnx2x_wait_reset_complete(bp, phy);
5854
5855 bnx2x_cl45_write(bp, phy,
5856 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_CTRL, 0x1);
5857 DP(NETIF_MSG_LINK, "Setting the SFX7101 LED to blink on traffic\n");
5858 bnx2x_cl45_write(bp, phy,
5859 MDIO_PMA_DEVAD, MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
5860
5861 bnx2x_ext_phy_set_pause(params, phy, vars);
5862 /* Restart autoneg */
5863 bnx2x_cl45_read(bp, phy,
5864 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, &val);
5865 val |= 0x200;
5866 bnx2x_cl45_write(bp, phy,
5867 MDIO_AN_DEVAD, MDIO_AN_REG_CTRL, val);
5868
5869 /* Save spirom version */
5870 bnx2x_cl45_read(bp, phy,
5871 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER1, &fw_ver1);
5872
5873 bnx2x_cl45_read(bp, phy,
5874 MDIO_PMA_DEVAD, MDIO_PMA_REG_7101_VER2, &fw_ver2);
5875 bnx2x_save_spirom_version(bp, params->port,
5876 (u32)(fw_ver1<<16 | fw_ver2), phy->ver_addr);
5877 return 0;
5878}
5879
5880static u8 bnx2x_7101_read_status(struct bnx2x_phy *phy,
5881 struct link_params *params,
5882 struct link_vars *vars)
5883{
5884 struct bnx2x *bp = params->bp;
5885 u8 link_up;
5886 u16 val1, val2;
5887 bnx2x_cl45_read(bp, phy,
5888 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val2);
5889 bnx2x_cl45_read(bp, phy,
5890 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS, &val1);
5891 DP(NETIF_MSG_LINK, "10G-base-T LASI status 0x%x->0x%x\n",
5892 val2, val1);
5893 bnx2x_cl45_read(bp, phy,
5894 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val2);
5895 bnx2x_cl45_read(bp, phy,
5896 MDIO_PMA_DEVAD, MDIO_PMA_REG_STATUS, &val1);
5897 DP(NETIF_MSG_LINK, "10G-base-T PMA status 0x%x->0x%x\n",
5898 val2, val1);
5899 link_up = ((val1 & 4) == 4);
5900 /* if link is up
5901 * print the AN outcome of the SFX7101 PHY
5902 */
5903 if (link_up) {
5904 bnx2x_cl45_read(bp, phy,
5905 MDIO_AN_DEVAD, MDIO_AN_REG_MASTER_STATUS,
5906 &val2);
5907 vars->line_speed = SPEED_10000;
5908 DP(NETIF_MSG_LINK, "SFX7101 AN status 0x%x->Master=%x\n",
5909 val2, (val2 & (1<<14)));
5910 bnx2x_ext_phy_10G_an_resolve(bp, phy, vars);
5911 bnx2x_ext_phy_resolve_fc(phy, params, vars);
5912 }
5913 return link_up;
5914}
5915
5916
5917static u8 bnx2x_7101_format_ver(u32 spirom_ver, u8 *str, u16 *len)
5918{
5919 if (*len < 5)
5920 return -EINVAL;
5921 str[0] = (spirom_ver & 0xFF);
5922 str[1] = (spirom_ver & 0xFF00) >> 8;
5923 str[2] = (spirom_ver & 0xFF0000) >> 16;
5924 str[3] = (spirom_ver & 0xFF000000) >> 24;
5925 str[4] = '\0';
5926 *len -= 5;
5927 return 0;
5928}
5929
5930void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
5931{
5932 u16 val, cnt;
5933
5934 bnx2x_cl45_read(bp, phy,
5935 MDIO_PMA_DEVAD,
5936 MDIO_PMA_REG_7101_RESET, &val);
5937
5938 for (cnt = 0; cnt < 10; cnt++) {
5939 msleep(50);
5940 /* Writes a self-clearing reset */
5941 bnx2x_cl45_write(bp, phy,
5942 MDIO_PMA_DEVAD,
5943 MDIO_PMA_REG_7101_RESET,
5944 (val | (1<<15)));
5945 /* Wait for clear */
5946 bnx2x_cl45_read(bp, phy,
5947 MDIO_PMA_DEVAD,
5948 MDIO_PMA_REG_7101_RESET, &val);
5949
5950 if ((val & (1<<15)) == 0)
5951 break;
5952 }
5953}
5954
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005955static void bnx2x_7101_hw_reset(struct bnx2x_phy *phy,
5956 struct link_params *params) {
5957 /* Low power mode is controlled by GPIO 2 */
5958 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_2,
5959 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
5960 /* The PHY reset is controlled by GPIO 1 */
5961 bnx2x_set_gpio(params->bp, MISC_REGISTERS_GPIO_1,
5962 MISC_REGISTERS_GPIO_OUTPUT_LOW, params->port);
5963}
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00005964
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00005965static void bnx2x_7101_set_link_led(struct bnx2x_phy *phy,
5966 struct link_params *params, u8 mode)
5967{
5968 u16 val = 0;
5969 struct bnx2x *bp = params->bp;
5970 switch (mode) {
5971 case LED_MODE_FRONT_PANEL_OFF:
5972 case LED_MODE_OFF:
5973 val = 2;
5974 break;
5975 case LED_MODE_ON:
5976 val = 1;
5977 break;
5978 case LED_MODE_OPER:
5979 val = 0;
5980 break;
5981 }
5982 bnx2x_cl45_write(bp, phy,
5983 MDIO_PMA_DEVAD,
5984 MDIO_PMA_REG_7107_LINK_LED_CNTL,
5985 val);
5986}
5987
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005988/******************************************************************/
5989/* STATIC PHY DECLARATION */
5990/******************************************************************/
5991
5992static struct bnx2x_phy phy_null = {
5993 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN,
5994 .addr = 0,
5995 .flags = FLAGS_INIT_XGXS_FIRST,
5996 .def_md_devad = 0,
5997 .reserved = 0,
5998 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
5999 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6000 .mdio_ctrl = 0,
6001 .supported = 0,
6002 .media_type = ETH_PHY_NOT_PRESENT,
6003 .ver_addr = 0,
6004 .req_flow_ctrl = 0,
6005 .req_line_speed = 0,
6006 .speed_cap_mask = 0,
6007 .req_duplex = 0,
6008 .rsrv = 0,
6009 .config_init = (config_init_t)NULL,
6010 .read_status = (read_status_t)NULL,
6011 .link_reset = (link_reset_t)NULL,
6012 .config_loopback = (config_loopback_t)NULL,
6013 .format_fw_ver = (format_fw_ver_t)NULL,
6014 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006015 .set_link_led = (set_link_led_t)NULL,
6016 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006017};
6018
6019static struct bnx2x_phy phy_serdes = {
6020 .type = PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT,
6021 .addr = 0xff,
6022 .flags = 0,
6023 .def_md_devad = 0,
6024 .reserved = 0,
6025 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6026 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6027 .mdio_ctrl = 0,
6028 .supported = (SUPPORTED_10baseT_Half |
6029 SUPPORTED_10baseT_Full |
6030 SUPPORTED_100baseT_Half |
6031 SUPPORTED_100baseT_Full |
6032 SUPPORTED_1000baseT_Full |
6033 SUPPORTED_2500baseX_Full |
6034 SUPPORTED_TP |
6035 SUPPORTED_Autoneg |
6036 SUPPORTED_Pause |
6037 SUPPORTED_Asym_Pause),
6038 .media_type = ETH_PHY_UNSPECIFIED,
6039 .ver_addr = 0,
6040 .req_flow_ctrl = 0,
6041 .req_line_speed = 0,
6042 .speed_cap_mask = 0,
6043 .req_duplex = 0,
6044 .rsrv = 0,
6045 .config_init = (config_init_t)bnx2x_init_serdes,
6046 .read_status = (read_status_t)bnx2x_link_settings_status,
6047 .link_reset = (link_reset_t)bnx2x_int_link_reset,
6048 .config_loopback = (config_loopback_t)NULL,
6049 .format_fw_ver = (format_fw_ver_t)NULL,
6050 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006051 .set_link_led = (set_link_led_t)NULL,
6052 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006053};
6054
6055static struct bnx2x_phy phy_xgxs = {
6056 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT,
6057 .addr = 0xff,
6058 .flags = 0,
6059 .def_md_devad = 0,
6060 .reserved = 0,
6061 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6062 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6063 .mdio_ctrl = 0,
6064 .supported = (SUPPORTED_10baseT_Half |
6065 SUPPORTED_10baseT_Full |
6066 SUPPORTED_100baseT_Half |
6067 SUPPORTED_100baseT_Full |
6068 SUPPORTED_1000baseT_Full |
6069 SUPPORTED_2500baseX_Full |
6070 SUPPORTED_10000baseT_Full |
6071 SUPPORTED_FIBRE |
6072 SUPPORTED_Autoneg |
6073 SUPPORTED_Pause |
6074 SUPPORTED_Asym_Pause),
6075 .media_type = ETH_PHY_UNSPECIFIED,
6076 .ver_addr = 0,
6077 .req_flow_ctrl = 0,
6078 .req_line_speed = 0,
6079 .speed_cap_mask = 0,
6080 .req_duplex = 0,
6081 .rsrv = 0,
6082 .config_init = (config_init_t)bnx2x_init_xgxs,
6083 .read_status = (read_status_t)bnx2x_link_settings_status,
6084 .link_reset = (link_reset_t)bnx2x_int_link_reset,
6085 .config_loopback = (config_loopback_t)bnx2x_set_xgxs_loopback,
6086 .format_fw_ver = (format_fw_ver_t)NULL,
6087 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006088 .set_link_led = (set_link_led_t)NULL,
6089 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006090};
6091
6092static struct bnx2x_phy phy_7101 = {
6093 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6094 .addr = 0xff,
6095 .flags = FLAGS_FAN_FAILURE_DET_REQ,
6096 .def_md_devad = 0,
6097 .reserved = 0,
6098 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6099 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6100 .mdio_ctrl = 0,
6101 .supported = (SUPPORTED_10000baseT_Full |
6102 SUPPORTED_TP |
6103 SUPPORTED_Autoneg |
6104 SUPPORTED_Pause |
6105 SUPPORTED_Asym_Pause),
6106 .media_type = ETH_PHY_BASE_T,
6107 .ver_addr = 0,
6108 .req_flow_ctrl = 0,
6109 .req_line_speed = 0,
6110 .speed_cap_mask = 0,
6111 .req_duplex = 0,
6112 .rsrv = 0,
6113 .config_init = (config_init_t)bnx2x_7101_config_init,
6114 .read_status = (read_status_t)bnx2x_7101_read_status,
6115 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6116 .config_loopback = (config_loopback_t)bnx2x_7101_config_loopback,
6117 .format_fw_ver = (format_fw_ver_t)bnx2x_7101_format_ver,
6118 .hw_reset = (hw_reset_t)bnx2x_7101_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006119 .set_link_led = (set_link_led_t)bnx2x_7101_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006120 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006121};
6122static struct bnx2x_phy phy_8073 = {
6123 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6124 .addr = 0xff,
6125 .flags = FLAGS_HW_LOCK_REQUIRED,
6126 .def_md_devad = 0,
6127 .reserved = 0,
6128 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6129 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6130 .mdio_ctrl = 0,
6131 .supported = (SUPPORTED_10000baseT_Full |
6132 SUPPORTED_2500baseX_Full |
6133 SUPPORTED_1000baseT_Full |
6134 SUPPORTED_FIBRE |
6135 SUPPORTED_Autoneg |
6136 SUPPORTED_Pause |
6137 SUPPORTED_Asym_Pause),
6138 .media_type = ETH_PHY_UNSPECIFIED,
6139 .ver_addr = 0,
6140 .req_flow_ctrl = 0,
6141 .req_line_speed = 0,
6142 .speed_cap_mask = 0,
6143 .req_duplex = 0,
6144 .rsrv = 0,
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006145 .config_init = (config_init_t)bnx2x_8073_config_init,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006146 .read_status = (read_status_t)bnx2x_8073_read_status,
6147 .link_reset = (link_reset_t)bnx2x_8073_link_reset,
6148 .config_loopback = (config_loopback_t)NULL,
6149 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6150 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006151 .set_link_led = (set_link_led_t)NULL,
6152 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006153};
6154static struct bnx2x_phy phy_8705 = {
6155 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705,
6156 .addr = 0xff,
6157 .flags = FLAGS_INIT_XGXS_FIRST,
6158 .def_md_devad = 0,
6159 .reserved = 0,
6160 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6161 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6162 .mdio_ctrl = 0,
6163 .supported = (SUPPORTED_10000baseT_Full |
6164 SUPPORTED_FIBRE |
6165 SUPPORTED_Pause |
6166 SUPPORTED_Asym_Pause),
6167 .media_type = ETH_PHY_XFP_FIBER,
6168 .ver_addr = 0,
6169 .req_flow_ctrl = 0,
6170 .req_line_speed = 0,
6171 .speed_cap_mask = 0,
6172 .req_duplex = 0,
6173 .rsrv = 0,
6174 .config_init = (config_init_t)bnx2x_8705_config_init,
6175 .read_status = (read_status_t)bnx2x_8705_read_status,
6176 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6177 .config_loopback = (config_loopback_t)NULL,
6178 .format_fw_ver = (format_fw_ver_t)bnx2x_null_format_ver,
6179 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006180 .set_link_led = (set_link_led_t)NULL,
6181 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006182};
6183static struct bnx2x_phy phy_8706 = {
6184 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706,
6185 .addr = 0xff,
6186 .flags = FLAGS_INIT_XGXS_FIRST,
6187 .def_md_devad = 0,
6188 .reserved = 0,
6189 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6190 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6191 .mdio_ctrl = 0,
6192 .supported = (SUPPORTED_10000baseT_Full |
6193 SUPPORTED_1000baseT_Full |
6194 SUPPORTED_FIBRE |
6195 SUPPORTED_Pause |
6196 SUPPORTED_Asym_Pause),
6197 .media_type = ETH_PHY_SFP_FIBER,
6198 .ver_addr = 0,
6199 .req_flow_ctrl = 0,
6200 .req_line_speed = 0,
6201 .speed_cap_mask = 0,
6202 .req_duplex = 0,
6203 .rsrv = 0,
6204 .config_init = (config_init_t)bnx2x_8706_config_init,
6205 .read_status = (read_status_t)bnx2x_8706_read_status,
6206 .link_reset = (link_reset_t)bnx2x_common_ext_link_reset,
6207 .config_loopback = (config_loopback_t)NULL,
6208 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6209 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006210 .set_link_led = (set_link_led_t)NULL,
6211 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006212};
6213
6214static struct bnx2x_phy phy_8726 = {
6215 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
6216 .addr = 0xff,
6217 .flags = (FLAGS_HW_LOCK_REQUIRED |
6218 FLAGS_INIT_XGXS_FIRST),
6219 .def_md_devad = 0,
6220 .reserved = 0,
6221 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6222 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6223 .mdio_ctrl = 0,
6224 .supported = (SUPPORTED_10000baseT_Full |
6225 SUPPORTED_1000baseT_Full |
6226 SUPPORTED_Autoneg |
6227 SUPPORTED_FIBRE |
6228 SUPPORTED_Pause |
6229 SUPPORTED_Asym_Pause),
6230 .media_type = ETH_PHY_SFP_FIBER,
6231 .ver_addr = 0,
6232 .req_flow_ctrl = 0,
6233 .req_line_speed = 0,
6234 .speed_cap_mask = 0,
6235 .req_duplex = 0,
6236 .rsrv = 0,
6237 .config_init = (config_init_t)bnx2x_8726_config_init,
6238 .read_status = (read_status_t)bnx2x_8726_read_status,
6239 .link_reset = (link_reset_t)bnx2x_8726_link_reset,
6240 .config_loopback = (config_loopback_t)bnx2x_8726_config_loopback,
6241 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6242 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006243 .set_link_led = (set_link_led_t)NULL,
6244 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006245};
6246
6247static struct bnx2x_phy phy_8727 = {
6248 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
6249 .addr = 0xff,
6250 .flags = FLAGS_FAN_FAILURE_DET_REQ,
6251 .def_md_devad = 0,
6252 .reserved = 0,
6253 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6254 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6255 .mdio_ctrl = 0,
6256 .supported = (SUPPORTED_10000baseT_Full |
6257 SUPPORTED_1000baseT_Full |
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006258 SUPPORTED_FIBRE |
6259 SUPPORTED_Pause |
6260 SUPPORTED_Asym_Pause),
6261 .media_type = ETH_PHY_SFP_FIBER,
6262 .ver_addr = 0,
6263 .req_flow_ctrl = 0,
6264 .req_line_speed = 0,
6265 .speed_cap_mask = 0,
6266 .req_duplex = 0,
6267 .rsrv = 0,
6268 .config_init = (config_init_t)bnx2x_8727_config_init,
6269 .read_status = (read_status_t)bnx2x_8727_read_status,
6270 .link_reset = (link_reset_t)bnx2x_8727_link_reset,
6271 .config_loopback = (config_loopback_t)NULL,
6272 .format_fw_ver = (format_fw_ver_t)bnx2x_format_ver,
6273 .hw_reset = (hw_reset_t)bnx2x_8727_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006274 .set_link_led = (set_link_led_t)bnx2x_8727_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006275 .phy_specific_func = (phy_specific_func_t)bnx2x_8727_specific_func
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006276};
6277static struct bnx2x_phy phy_8481 = {
6278 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
6279 .addr = 0xff,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006280 .flags = FLAGS_FAN_FAILURE_DET_REQ |
6281 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006282 .def_md_devad = 0,
6283 .reserved = 0,
6284 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6285 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6286 .mdio_ctrl = 0,
6287 .supported = (SUPPORTED_10baseT_Half |
6288 SUPPORTED_10baseT_Full |
6289 SUPPORTED_100baseT_Half |
6290 SUPPORTED_100baseT_Full |
6291 SUPPORTED_1000baseT_Full |
6292 SUPPORTED_10000baseT_Full |
6293 SUPPORTED_TP |
6294 SUPPORTED_Autoneg |
6295 SUPPORTED_Pause |
6296 SUPPORTED_Asym_Pause),
6297 .media_type = ETH_PHY_BASE_T,
6298 .ver_addr = 0,
6299 .req_flow_ctrl = 0,
6300 .req_line_speed = 0,
6301 .speed_cap_mask = 0,
6302 .req_duplex = 0,
6303 .rsrv = 0,
6304 .config_init = (config_init_t)bnx2x_8481_config_init,
6305 .read_status = (read_status_t)bnx2x_848xx_read_status,
6306 .link_reset = (link_reset_t)bnx2x_8481_link_reset,
6307 .config_loopback = (config_loopback_t)NULL,
6308 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
6309 .hw_reset = (hw_reset_t)bnx2x_8481_hw_reset,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006310 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006311 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006312};
6313
6314static struct bnx2x_phy phy_84823 = {
6315 .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823,
6316 .addr = 0xff,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006317 .flags = FLAGS_FAN_FAILURE_DET_REQ |
6318 FLAGS_REARM_LATCH_SIGNAL,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006319 .def_md_devad = 0,
6320 .reserved = 0,
6321 .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6322 .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
6323 .mdio_ctrl = 0,
6324 .supported = (SUPPORTED_10baseT_Half |
6325 SUPPORTED_10baseT_Full |
6326 SUPPORTED_100baseT_Half |
6327 SUPPORTED_100baseT_Full |
6328 SUPPORTED_1000baseT_Full |
6329 SUPPORTED_10000baseT_Full |
6330 SUPPORTED_TP |
6331 SUPPORTED_Autoneg |
6332 SUPPORTED_Pause |
6333 SUPPORTED_Asym_Pause),
6334 .media_type = ETH_PHY_BASE_T,
6335 .ver_addr = 0,
6336 .req_flow_ctrl = 0,
6337 .req_line_speed = 0,
6338 .speed_cap_mask = 0,
6339 .req_duplex = 0,
6340 .rsrv = 0,
6341 .config_init = (config_init_t)bnx2x_848x3_config_init,
6342 .read_status = (read_status_t)bnx2x_848xx_read_status,
6343 .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
6344 .config_loopback = (config_loopback_t)NULL,
6345 .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
6346 .hw_reset = (hw_reset_t)NULL,
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006347 .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006348 .phy_specific_func = (phy_specific_func_t)NULL
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006349};
6350
6351/*****************************************************************/
6352/* */
6353/* Populate the phy according. Main function: bnx2x_populate_phy */
6354/* */
6355/*****************************************************************/
6356
6357static void bnx2x_populate_preemphasis(struct bnx2x *bp, u32 shmem_base,
6358 struct bnx2x_phy *phy, u8 port,
6359 u8 phy_index)
6360{
6361 /* Get the 4 lanes xgxs config rx and tx */
6362 u32 rx = 0, tx = 0, i;
6363 for (i = 0; i < 2; i++) {
6364 /**
6365 * INT_PHY and EXT_PHY1 share the same value location in the
6366 * shmem. When num_phys is greater than 1, than this value
6367 * applies only to EXT_PHY1
6368 */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006369 if (phy_index == INT_PHY || phy_index == EXT_PHY1) {
6370 rx = REG_RD(bp, shmem_base +
6371 offsetof(struct shmem_region,
6372 dev_info.port_hw_config[port].xgxs_config_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006373
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006374 tx = REG_RD(bp, shmem_base +
6375 offsetof(struct shmem_region,
6376 dev_info.port_hw_config[port].xgxs_config_tx[i<<1]));
6377 } else {
6378 rx = REG_RD(bp, shmem_base +
6379 offsetof(struct shmem_region,
6380 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006381
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006382 tx = REG_RD(bp, shmem_base +
6383 offsetof(struct shmem_region,
6384 dev_info.port_hw_config[port].xgxs_config2_rx[i<<1]));
6385 }
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006386
6387 phy->rx_preemphasis[i << 1] = ((rx>>16) & 0xffff);
6388 phy->rx_preemphasis[(i << 1) + 1] = (rx & 0xffff);
6389
6390 phy->tx_preemphasis[i << 1] = ((tx>>16) & 0xffff);
6391 phy->tx_preemphasis[(i << 1) + 1] = (tx & 0xffff);
6392 }
6393}
6394
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006395static u32 bnx2x_get_ext_phy_config(struct bnx2x *bp, u32 shmem_base,
6396 u8 phy_index, u8 port)
6397{
6398 u32 ext_phy_config = 0;
6399 switch (phy_index) {
6400 case EXT_PHY1:
6401 ext_phy_config = REG_RD(bp, shmem_base +
6402 offsetof(struct shmem_region,
6403 dev_info.port_hw_config[port].external_phy_config));
6404 break;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006405 case EXT_PHY2:
6406 ext_phy_config = REG_RD(bp, shmem_base +
6407 offsetof(struct shmem_region,
6408 dev_info.port_hw_config[port].external_phy_config2));
6409 break;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006410 default:
6411 DP(NETIF_MSG_LINK, "Invalid phy_index %d\n", phy_index);
6412 return -EINVAL;
6413 }
6414
6415 return ext_phy_config;
6416}
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006417static u8 bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port,
6418 struct bnx2x_phy *phy)
6419{
6420 u32 phy_addr;
6421 u32 chip_id;
6422 u32 switch_cfg = (REG_RD(bp, shmem_base +
6423 offsetof(struct shmem_region,
6424 dev_info.port_feature_config[port].link_config)) &
6425 PORT_FEATURE_CONNECTED_SWITCH_MASK);
6426 chip_id = REG_RD(bp, MISC_REG_CHIP_NUM) << 16;
6427 switch (switch_cfg) {
6428 case SWITCH_CFG_1G:
6429 phy_addr = REG_RD(bp,
6430 NIG_REG_SERDES0_CTRL_PHY_ADDR +
6431 port * 0x10);
6432 *phy = phy_serdes;
6433 break;
6434 case SWITCH_CFG_10G:
6435 phy_addr = REG_RD(bp,
6436 NIG_REG_XGXS0_CTRL_PHY_ADDR +
6437 port * 0x18);
6438 *phy = phy_xgxs;
6439 break;
6440 default:
6441 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
6442 return -EINVAL;
6443 }
6444 phy->addr = (u8)phy_addr;
6445 phy->mdio_ctrl = bnx2x_get_emac_base(bp,
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006446 SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006447 port);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006448 if (CHIP_IS_E2(bp))
6449 phy->def_md_devad = E2_DEFAULT_PHY_DEV_ADDR;
6450 else
6451 phy->def_md_devad = DEFAULT_PHY_DEV_ADDR;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006452
6453 DP(NETIF_MSG_LINK, "Internal phy port=%d, addr=0x%x, mdio_ctl=0x%x\n",
6454 port, phy->addr, phy->mdio_ctrl);
6455
6456 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, INT_PHY);
6457 return 0;
6458}
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006459
6460static u8 bnx2x_populate_ext_phy(struct bnx2x *bp,
6461 u8 phy_index,
6462 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006463 u32 shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006464 u8 port,
6465 struct bnx2x_phy *phy)
6466{
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006467 u32 ext_phy_config, phy_type, config2;
6468 u32 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006469 ext_phy_config = bnx2x_get_ext_phy_config(bp, shmem_base,
6470 phy_index, port);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006471 phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
6472 /* Select the phy type */
6473 switch (phy_type) {
6474 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006475 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_SWAPPED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006476 *phy = phy_8073;
6477 break;
6478 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
6479 *phy = phy_8705;
6480 break;
6481 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
6482 *phy = phy_8706;
6483 break;
6484 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006485 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006486 *phy = phy_8726;
6487 break;
6488 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
6489 /* BCM8727_NOC => BCM8727 no over current */
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006490 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006491 *phy = phy_8727;
6492 phy->flags |= FLAGS_NOC;
6493 break;
6494 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006495 mdc_mdio_access = SHARED_HW_CFG_MDC_MDIO_ACCESS1_EMAC1;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006496 *phy = phy_8727;
6497 break;
6498 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
6499 *phy = phy_8481;
6500 break;
6501 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84823:
6502 *phy = phy_84823;
6503 break;
6504 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
6505 *phy = phy_7101;
6506 break;
6507 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
6508 *phy = phy_null;
6509 return -EINVAL;
6510 default:
6511 *phy = phy_null;
6512 return 0;
6513 }
6514
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006515 phy->addr = XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006516 bnx2x_populate_preemphasis(bp, shmem_base, phy, port, phy_index);
Yaniv Rosner62b29a52010-09-07 11:40:58 +00006517
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006518 /**
6519 * The shmem address of the phy version is located on different
6520 * structures. In case this structure is too old, do not set
6521 * the address
6522 */
6523 config2 = REG_RD(bp, shmem_base + offsetof(struct shmem_region,
6524 dev_info.shared_hw_config.config2));
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006525 if (phy_index == EXT_PHY1) {
6526 phy->ver_addr = shmem_base + offsetof(struct shmem_region,
6527 port_mb[port].ext_phy_fw_version);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006528
6529 /* Check specific mdc mdio settings */
6530 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK)
6531 mdc_mdio_access = config2 &
6532 SHARED_HW_CFG_MDC_MDIO_ACCESS1_MASK;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006533 } else {
6534 u32 size = REG_RD(bp, shmem2_base);
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006535
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006536 if (size >
6537 offsetof(struct shmem2_region, ext_phy_fw_version2)) {
6538 phy->ver_addr = shmem2_base +
6539 offsetof(struct shmem2_region,
6540 ext_phy_fw_version2[port]);
6541 }
6542 /* Check specific mdc mdio settings */
6543 if (config2 & SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK)
6544 mdc_mdio_access = (config2 &
6545 SHARED_HW_CFG_MDC_MDIO_ACCESS2_MASK) >>
6546 (SHARED_HW_CFG_MDC_MDIO_ACCESS2_SHIFT -
6547 SHARED_HW_CFG_MDC_MDIO_ACCESS1_SHIFT);
6548 }
Yaniv Rosnerc18aa152010-09-07 11:41:07 +00006549 phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
6550
6551 /**
6552 * In case mdc/mdio_access of the external phy is different than the
6553 * mdc/mdio access of the XGXS, a HW lock must be taken in each access
6554 * to prevent one port interfere with another port's CL45 operations.
6555 */
6556 if (mdc_mdio_access != SHARED_HW_CFG_MDC_MDIO_ACCESS1_BOTH)
6557 phy->flags |= FLAGS_HW_LOCK_REQUIRED;
6558 DP(NETIF_MSG_LINK, "phy_type 0x%x port %d found in index %d\n",
6559 phy_type, port, phy_index);
6560 DP(NETIF_MSG_LINK, " addr=0x%x, mdio_ctl=0x%x\n",
6561 phy->addr, phy->mdio_ctrl);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006562 return 0;
6563}
6564
6565static u8 bnx2x_populate_phy(struct bnx2x *bp, u8 phy_index, u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006566 u32 shmem2_base, u8 port, struct bnx2x_phy *phy)
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006567{
6568 u8 status = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006569 phy->type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN;
6570 if (phy_index == INT_PHY)
6571 return bnx2x_populate_int_phy(bp, shmem_base, port, phy);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006572 status = bnx2x_populate_ext_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnere10bc842010-09-07 11:40:50 +00006573 port, phy);
6574 return status;
6575}
6576
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006577static void bnx2x_phy_def_cfg(struct link_params *params,
6578 struct bnx2x_phy *phy,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006579 u8 phy_index)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006580{
6581 struct bnx2x *bp = params->bp;
6582 u32 link_config;
6583 /* Populate the default phy configuration for MF mode */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006584 if (phy_index == EXT_PHY2) {
6585 link_config = REG_RD(bp, params->shmem_base +
6586 offsetof(struct shmem_region, dev_info.
6587 port_feature_config[params->port].link_config2));
6588 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
6589 offsetof(struct shmem_region, dev_info.
6590 port_hw_config[params->port].speed_capability_mask2));
6591 } else {
6592 link_config = REG_RD(bp, params->shmem_base +
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006593 offsetof(struct shmem_region, dev_info.
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006594 port_feature_config[params->port].link_config));
6595 phy->speed_cap_mask = REG_RD(bp, params->shmem_base +
6596 offsetof(struct shmem_region, dev_info.
6597 port_hw_config[params->port].speed_capability_mask));
6598 }
6599 DP(NETIF_MSG_LINK, "Default config phy idx %x cfg 0x%x speed_cap_mask"
6600 " 0x%x\n", phy_index, link_config, phy->speed_cap_mask);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006601
6602 phy->req_duplex = DUPLEX_FULL;
6603 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
6604 case PORT_FEATURE_LINK_SPEED_10M_HALF:
6605 phy->req_duplex = DUPLEX_HALF;
6606 case PORT_FEATURE_LINK_SPEED_10M_FULL:
6607 phy->req_line_speed = SPEED_10;
6608 break;
6609 case PORT_FEATURE_LINK_SPEED_100M_HALF:
6610 phy->req_duplex = DUPLEX_HALF;
6611 case PORT_FEATURE_LINK_SPEED_100M_FULL:
6612 phy->req_line_speed = SPEED_100;
6613 break;
6614 case PORT_FEATURE_LINK_SPEED_1G:
6615 phy->req_line_speed = SPEED_1000;
6616 break;
6617 case PORT_FEATURE_LINK_SPEED_2_5G:
6618 phy->req_line_speed = SPEED_2500;
6619 break;
6620 case PORT_FEATURE_LINK_SPEED_10G_CX4:
6621 phy->req_line_speed = SPEED_10000;
6622 break;
6623 default:
6624 phy->req_line_speed = SPEED_AUTO_NEG;
6625 break;
6626 }
6627
6628 switch (link_config & PORT_FEATURE_FLOW_CONTROL_MASK) {
6629 case PORT_FEATURE_FLOW_CONTROL_AUTO:
6630 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO;
6631 break;
6632 case PORT_FEATURE_FLOW_CONTROL_TX:
6633 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_TX;
6634 break;
6635 case PORT_FEATURE_FLOW_CONTROL_RX:
6636 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_RX;
6637 break;
6638 case PORT_FEATURE_FLOW_CONTROL_BOTH:
6639 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
6640 break;
6641 default:
6642 phy->req_flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6643 break;
6644 }
6645}
6646
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006647u32 bnx2x_phy_selection(struct link_params *params)
6648{
6649 u32 phy_config_swapped, prio_cfg;
6650 u32 return_cfg = PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT;
6651
6652 phy_config_swapped = params->multi_phy_config &
6653 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
6654
6655 prio_cfg = params->multi_phy_config &
6656 PORT_HW_CFG_PHY_SELECTION_MASK;
6657
6658 if (phy_config_swapped) {
6659 switch (prio_cfg) {
6660 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
6661 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY;
6662 break;
6663 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
6664 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY;
6665 break;
6666 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
6667 return_cfg = PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
6668 break;
6669 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
6670 return_cfg = PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
6671 break;
6672 }
6673 } else
6674 return_cfg = prio_cfg;
6675
6676 return return_cfg;
6677}
6678
6679
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006680u8 bnx2x_phy_probe(struct link_params *params)
6681{
6682 u8 phy_index, actual_phy_idx, link_cfg_idx;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006683 u32 phy_config_swapped;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006684 struct bnx2x *bp = params->bp;
6685 struct bnx2x_phy *phy;
6686 params->num_phys = 0;
6687 DP(NETIF_MSG_LINK, "Begin phy probe\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006688 phy_config_swapped = params->multi_phy_config &
6689 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006690
6691 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
6692 phy_index++) {
6693 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
6694 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006695 if (phy_config_swapped) {
6696 if (phy_index == EXT_PHY1)
6697 actual_phy_idx = EXT_PHY2;
6698 else if (phy_index == EXT_PHY2)
6699 actual_phy_idx = EXT_PHY1;
6700 }
6701 DP(NETIF_MSG_LINK, "phy_config_swapped %x, phy_index %x,"
6702 " actual_phy_idx %x\n", phy_config_swapped,
6703 phy_index, actual_phy_idx);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006704 phy = &params->phy[actual_phy_idx];
6705 if (bnx2x_populate_phy(bp, phy_index, params->shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006706 params->shmem2_base, params->port,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006707 phy) != 0) {
6708 params->num_phys = 0;
6709 DP(NETIF_MSG_LINK, "phy probe failed in phy index %d\n",
6710 phy_index);
6711 for (phy_index = INT_PHY;
6712 phy_index < MAX_PHYS;
6713 phy_index++)
6714 *phy = phy_null;
6715 return -EINVAL;
6716 }
6717 if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)
6718 break;
6719
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006720 bnx2x_phy_def_cfg(params, phy, phy_index);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00006721 params->num_phys++;
6722 }
6723
6724 DP(NETIF_MSG_LINK, "End phy probe. #phys found %x\n", params->num_phys);
6725 return 0;
6726}
6727
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006728static void set_phy_vars(struct link_params *params)
6729{
6730 struct bnx2x *bp = params->bp;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006731 u8 actual_phy_idx, phy_index, link_cfg_idx;
6732 u8 phy_config_swapped = params->multi_phy_config &
6733 PORT_HW_CFG_PHY_SWAPPED_ENABLED;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006734 for (phy_index = INT_PHY; phy_index < params->num_phys;
6735 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006736 link_cfg_idx = LINK_CONFIG_IDX(phy_index);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006737 actual_phy_idx = phy_index;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006738 if (phy_config_swapped) {
6739 if (phy_index == EXT_PHY1)
6740 actual_phy_idx = EXT_PHY2;
6741 else if (phy_index == EXT_PHY2)
6742 actual_phy_idx = EXT_PHY1;
6743 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006744 params->phy[actual_phy_idx].req_flow_ctrl =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006745 params->req_flow_ctrl[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006746
6747 params->phy[actual_phy_idx].req_line_speed =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006748 params->req_line_speed[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006749
6750 params->phy[actual_phy_idx].speed_cap_mask =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006751 params->speed_cap_mask[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006752
6753 params->phy[actual_phy_idx].req_duplex =
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006754 params->req_duplex[link_cfg_idx];
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006755
6756 DP(NETIF_MSG_LINK, "req_flow_ctrl %x, req_line_speed %x,"
6757 " speed_cap_mask %x\n",
6758 params->phy[actual_phy_idx].req_flow_ctrl,
6759 params->phy[actual_phy_idx].req_line_speed,
6760 params->phy[actual_phy_idx].speed_cap_mask);
6761 }
6762}
6763
6764u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
6765{
6766 struct bnx2x *bp = params->bp;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006767 DP(NETIF_MSG_LINK, "Phy Initialization started\n");
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006768 DP(NETIF_MSG_LINK, "(1) req_speed %d, req_flowctrl %d\n",
6769 params->req_line_speed[0], params->req_flow_ctrl[0]);
6770 DP(NETIF_MSG_LINK, "(2) req_speed %d, req_flowctrl %d\n",
6771 params->req_line_speed[1], params->req_flow_ctrl[1]);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006772 vars->link_status = 0;
6773 vars->phy_link_up = 0;
6774 vars->link_up = 0;
6775 vars->line_speed = 0;
6776 vars->duplex = DUPLEX_FULL;
6777 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6778 vars->mac_type = MAC_TYPE_NONE;
6779 vars->phy_flags = 0;
6780
6781 /* disable attentions */
6782 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
6783 (NIG_MASK_XGXS0_LINK_STATUS |
6784 NIG_MASK_XGXS0_LINK10G |
6785 NIG_MASK_SERDES0_LINK_STATUS |
6786 NIG_MASK_MI_INT));
6787
6788 bnx2x_emac_init(params, vars);
6789
6790 if (params->num_phys == 0) {
6791 DP(NETIF_MSG_LINK, "No phy found for initialization !!\n");
6792 return -EINVAL;
6793 }
6794 set_phy_vars(params);
6795
6796 DP(NETIF_MSG_LINK, "Num of phys on board: %d\n", params->num_phys);
6797 if (CHIP_REV_IS_FPGA(bp)) {
6798
6799 vars->link_up = 1;
6800 vars->line_speed = SPEED_10000;
6801 vars->duplex = DUPLEX_FULL;
6802 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6803 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
6804 /* enable on E1.5 FPGA */
6805 if (CHIP_IS_E1H(bp)) {
6806 vars->flow_ctrl |=
6807 (BNX2X_FLOW_CTRL_TX |
6808 BNX2X_FLOW_CTRL_RX);
6809 vars->link_status |=
6810 (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
6811 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
6812 }
6813
6814 bnx2x_emac_enable(params, vars, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006815 if (!(CHIP_IS_E2(bp)))
6816 bnx2x_pbf_update(params, vars->flow_ctrl,
6817 vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006818 /* disable drain */
6819 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + params->port*4, 0);
6820
6821 /* update shared memory */
6822 bnx2x_update_mng(params, vars->link_status);
6823
6824 return 0;
6825
6826 } else
6827 if (CHIP_REV_IS_EMUL(bp)) {
6828
6829 vars->link_up = 1;
6830 vars->line_speed = SPEED_10000;
6831 vars->duplex = DUPLEX_FULL;
6832 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6833 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
6834
6835 bnx2x_bmac_enable(params, vars, 0);
6836
6837 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
6838 /* Disable drain */
6839 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
6840 + params->port*4, 0);
6841
6842 /* update shared memory */
6843 bnx2x_update_mng(params, vars->link_status);
6844
6845 return 0;
6846
6847 } else
6848 if (params->loopback_mode == LOOPBACK_BMAC) {
6849
6850 vars->link_up = 1;
6851 vars->line_speed = SPEED_10000;
6852 vars->duplex = DUPLEX_FULL;
6853 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6854 vars->mac_type = MAC_TYPE_BMAC;
6855
6856 vars->phy_flags = PHY_XGXS_FLAG;
6857
6858 bnx2x_xgxs_deassert(params);
6859
6860 /* set bmac loopback */
6861 bnx2x_bmac_enable(params, vars, 1);
6862
6863 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6864 params->port*4, 0);
6865
6866 } else if (params->loopback_mode == LOOPBACK_EMAC) {
6867
6868 vars->link_up = 1;
6869 vars->line_speed = SPEED_1000;
6870 vars->duplex = DUPLEX_FULL;
6871 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
6872 vars->mac_type = MAC_TYPE_EMAC;
6873
6874 vars->phy_flags = PHY_XGXS_FLAG;
6875
6876 bnx2x_xgxs_deassert(params);
6877 /* set bmac loopback */
6878 bnx2x_emac_enable(params, vars, 1);
6879 bnx2x_emac_program(params, vars);
6880 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6881 params->port*4, 0);
6882
6883 } else if ((params->loopback_mode == LOOPBACK_XGXS) ||
6884 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6885
6886 vars->link_up = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006887 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006888 vars->duplex = DUPLEX_FULL;
6889 if (params->req_line_speed[0] == SPEED_1000) {
6890 vars->line_speed = SPEED_1000;
6891 vars->mac_type = MAC_TYPE_EMAC;
6892 } else {
6893 vars->line_speed = SPEED_10000;
6894 vars->mac_type = MAC_TYPE_BMAC;
6895 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006896
6897 bnx2x_xgxs_deassert(params);
6898 bnx2x_link_initialize(params, vars);
6899
Yaniv Rosnera22f0782010-09-07 11:41:20 +00006900 if (params->req_line_speed[0] == SPEED_1000) {
6901 bnx2x_emac_program(params, vars);
6902 bnx2x_emac_enable(params, vars, 0);
6903 } else
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006904 bnx2x_bmac_enable(params, vars, 0);
6905
6906 if (params->loopback_mode == LOOPBACK_XGXS) {
6907 /* set 10G XGXS loopback */
6908 params->phy[INT_PHY].config_loopback(
6909 &params->phy[INT_PHY],
6910 params);
6911
6912 } else {
6913 /* set external phy loopback */
6914 u8 phy_index;
6915 for (phy_index = EXT_PHY1;
6916 phy_index < params->num_phys; phy_index++) {
6917 if (params->phy[phy_index].config_loopback)
6918 params->phy[phy_index].config_loopback(
6919 &params->phy[phy_index],
6920 params);
6921 }
6922 }
6923
6924 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6925 params->port*4, 0);
6926
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006927 bnx2x_set_led(params, vars,
6928 LED_MODE_OPER, vars->line_speed);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006929 } else
6930 /* No loopback */
6931 {
6932 if (params->switch_cfg == SWITCH_CFG_10G)
6933 bnx2x_xgxs_deassert(params);
6934 else
6935 bnx2x_serdes_deassert(bp, params->port);
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006936
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006937 bnx2x_link_initialize(params, vars);
6938 msleep(30);
6939 bnx2x_link_int_enable(params);
6940 }
6941 return 0;
6942}
6943u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
6944 u8 reset_ext_phy)
6945{
6946 struct bnx2x *bp = params->bp;
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00006947 u8 phy_index, port = params->port, clear_latch_ind = 0;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006948 DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);
6949 /* disable attentions */
6950 vars->link_status = 0;
6951 bnx2x_update_mng(params, vars->link_status);
6952 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6953 (NIG_MASK_XGXS0_LINK_STATUS |
6954 NIG_MASK_XGXS0_LINK10G |
6955 NIG_MASK_SERDES0_LINK_STATUS |
6956 NIG_MASK_MI_INT));
6957
6958 /* activate nig drain */
6959 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6960
6961 /* disable nig egress interface */
6962 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
6963 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
6964
6965 /* Stop BigMac rx */
6966 bnx2x_bmac_rx_disable(bp, port);
6967
6968 /* disable emac */
6969 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6970
6971 msleep(10);
6972 /* The PHY reset is controled by GPIO 1
6973 * Hold it as vars low
6974 */
6975 /* clear link led */
Yaniv Rosner7f02c4a2010-09-07 11:41:23 +00006976 bnx2x_set_led(params, vars, LED_MODE_OFF, 0);
6977
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006978 if (reset_ext_phy) {
6979 for (phy_index = EXT_PHY1; phy_index < params->num_phys;
6980 phy_index++) {
6981 if (params->phy[phy_index].link_reset)
6982 params->phy[phy_index].link_reset(
6983 &params->phy[phy_index],
6984 params);
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00006985 if (params->phy[phy_index].flags &
6986 FLAGS_REARM_LATCH_SIGNAL)
6987 clear_latch_ind = 1;
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006988 }
6989 }
6990
Yaniv Rosnercf1d9722010-11-01 05:32:34 +00006991 if (clear_latch_ind) {
6992 /* Clear latching indication */
6993 bnx2x_rearm_latch_signal(bp, port, 0);
6994 bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,
6995 1 << NIG_LATCH_BC_ENABLE_MI_INT);
6996 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00006997 if (params->phy[INT_PHY].link_reset)
6998 params->phy[INT_PHY].link_reset(
6999 &params->phy[INT_PHY], params);
7000 /* reset BigMac */
7001 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7002 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
7003
7004 /* disable nig ingress interface */
7005 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
7006 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
7007 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
7008 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
7009 vars->link_up = 0;
7010 return 0;
7011}
7012
7013/****************************************************************************/
7014/* Common function */
7015/****************************************************************************/
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007016static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp,
7017 u32 shmem_base_path[],
7018 u32 shmem2_base_path[], u8 phy_index,
7019 u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007020{
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007021 struct bnx2x_phy phy[PORT_MAX];
7022 struct bnx2x_phy *phy_blk[PORT_MAX];
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007023 u16 val;
7024 s8 port;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007025 s8 port_of_path = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007026
Yaniv Rosner1d03f062010-11-01 05:32:41 +00007027 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007028 /* PART1 - Reset both phys */
7029 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007030 u32 shmem_base, shmem2_base;
7031 /* In E2, same phy is using for port0 of the two paths */
7032 if (CHIP_IS_E2(bp)) {
7033 shmem_base = shmem_base_path[port];
7034 shmem2_base = shmem2_base_path[port];
7035 port_of_path = 0;
7036 } else {
7037 shmem_base = shmem_base_path[0];
7038 shmem2_base = shmem2_base_path[0];
7039 port_of_path = port;
7040 }
7041
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007042 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007043 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007044 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007045 0) {
7046 DP(NETIF_MSG_LINK, "populate_phy failed\n");
7047 return -EINVAL;
7048 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007049 /* disable attentions */
Yaniv Rosner6a71bbe2010-11-01 05:32:31 +00007050 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
7051 port_of_path*4,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007052 (NIG_MASK_XGXS0_LINK_STATUS |
7053 NIG_MASK_XGXS0_LINK10G |
7054 NIG_MASK_SERDES0_LINK_STATUS |
7055 NIG_MASK_MI_INT));
7056
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007057 /* Need to take the phy out of low power mode in order
7058 to write to access its registers */
7059 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7060 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
7061
7062 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007063 bnx2x_cl45_write(bp, &phy[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007064 MDIO_PMA_DEVAD,
7065 MDIO_PMA_REG_CTRL,
7066 1<<15);
7067 }
7068
7069 /* Add delay of 150ms after reset */
7070 msleep(150);
7071
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007072 if (phy[PORT_0].addr & 0x1) {
7073 phy_blk[PORT_0] = &(phy[PORT_1]);
7074 phy_blk[PORT_1] = &(phy[PORT_0]);
7075 } else {
7076 phy_blk[PORT_0] = &(phy[PORT_0]);
7077 phy_blk[PORT_1] = &(phy[PORT_1]);
7078 }
7079
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007080 /* PART2 - Download firmware to both phys */
7081 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
7082 u16 fw_ver1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007083 if (CHIP_IS_E2(bp))
7084 port_of_path = 0;
7085 else
7086 port_of_path = port;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007087
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007088 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
7089 phy_blk[port]->addr);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007090 bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007091 port_of_path);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007092
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007093 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007094 MDIO_PMA_DEVAD,
7095 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Eilon Greenstein16b311c2009-01-14 06:44:24 +00007096 if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007097 DP(NETIF_MSG_LINK,
Eilon Greenstein16b311c2009-01-14 06:44:24 +00007098 "bnx2x_8073_common_init_phy port %x:"
7099 "Download failed. fw version = 0x%x\n",
7100 port, fw_ver1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007101 return -EINVAL;
7102 }
7103
7104 /* Only set bit 10 = 1 (Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007105 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007106 MDIO_PMA_DEVAD,
7107 MDIO_PMA_REG_TX_POWER_DOWN, &val);
7108
7109 /* Phase1 of TX_POWER_DOWN reset */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007110 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007111 MDIO_PMA_DEVAD,
7112 MDIO_PMA_REG_TX_POWER_DOWN,
7113 (val | 1<<10));
7114 }
7115
7116 /* Toggle Transmitter: Power down and then up with 600ms
7117 delay between */
7118 msleep(600);
7119
7120 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
7121 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00007122 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007123 /* Release bit 10 (Release Tx power down) */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007124 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007125 MDIO_PMA_DEVAD,
7126 MDIO_PMA_REG_TX_POWER_DOWN, &val);
7127
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007128 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007129 MDIO_PMA_DEVAD,
7130 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
7131 msleep(15);
7132
7133 /* Read modify write the SPI-ROM version select register */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007134 bnx2x_cl45_read(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007135 MDIO_PMA_DEVAD,
7136 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007137 bnx2x_cl45_write(bp, phy_blk[port],
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007138 MDIO_PMA_DEVAD,
7139 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
7140
7141 /* set GPIO2 back to LOW */
7142 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
7143 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
7144 }
7145 return 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007146}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007147static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp,
7148 u32 shmem_base_path[],
7149 u32 shmem2_base_path[], u8 phy_index,
7150 u32 chip_id)
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007151{
7152 u32 val;
7153 s8 port;
7154 struct bnx2x_phy phy;
7155 /* Use port1 because of the static port-swap */
7156 /* Enable the module detection interrupt */
7157 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
7158 val |= ((1<<MISC_REGISTERS_GPIO_3)|
7159 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
7160 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
7161
Yaniv Rosner650154b2010-11-01 05:32:36 +00007162 bnx2x_ext_phy_hw_reset(bp, 0);
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007163 msleep(5);
7164 for (port = 0; port < PORT_MAX; port++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007165 u32 shmem_base, shmem2_base;
7166
7167 /* In E2, same phy is using for port0 of the two paths */
7168 if (CHIP_IS_E2(bp)) {
7169 shmem_base = shmem_base_path[port];
7170 shmem2_base = shmem2_base_path[port];
7171 } else {
7172 shmem_base = shmem_base_path[0];
7173 shmem2_base = shmem2_base_path[0];
7174 }
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007175 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007176 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00007177 port, &phy) !=
7178 0) {
7179 DP(NETIF_MSG_LINK, "populate phy failed\n");
7180 return -EINVAL;
7181 }
7182
7183 /* Reset phy*/
7184 bnx2x_cl45_write(bp, &phy,
7185 MDIO_PMA_DEVAD, MDIO_PMA_REG_GEN_CTRL, 0x0001);
7186
7187
7188 /* Set fault module detected LED on */
7189 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
7190 MISC_REGISTERS_GPIO_HIGH,
7191 port);
7192 }
7193
7194 return 0;
7195}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007196static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp,
7197 u32 shmem_base_path[],
7198 u32 shmem2_base_path[], u8 phy_index,
7199 u32 chip_id)
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007200{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007201 s8 port;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007202 u32 swap_val, swap_override;
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007203 struct bnx2x_phy phy[PORT_MAX];
7204 struct bnx2x_phy *phy_blk[PORT_MAX];
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007205 s8 port_of_path;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007206 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7207 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7208
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007209 port = 1;
7210
7211 bnx2x_ext_phy_hw_reset(bp, port ^ (swap_val && swap_override));
7212
7213 /* Calculate the port based on port swap */
7214 port ^= (swap_val && swap_override);
7215
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007216 msleep(5);
7217
7218 /* PART1 - Reset both phys */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007219 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007220 u32 shmem_base, shmem2_base;
7221
7222 /* In E2, same phy is using for port0 of the two paths */
7223 if (CHIP_IS_E2(bp)) {
7224 shmem_base = shmem_base_path[port];
7225 shmem2_base = shmem2_base_path[port];
7226 port_of_path = 0;
7227 } else {
7228 shmem_base = shmem_base_path[0];
7229 shmem2_base = shmem2_base_path[0];
7230 port_of_path = port;
7231 }
7232
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007233 /* Extract the ext phy address for the port */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007234 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007235 port_of_path, &phy[port]) !=
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007236 0) {
7237 DP(NETIF_MSG_LINK, "populate phy failed\n");
7238 return -EINVAL;
7239 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007240 /* disable attentions */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007241 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 +
7242 port_of_path*4,
7243 (NIG_MASK_XGXS0_LINK_STATUS |
7244 NIG_MASK_XGXS0_LINK10G |
7245 NIG_MASK_SERDES0_LINK_STATUS |
7246 NIG_MASK_MI_INT));
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007247
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007248
7249 /* Reset the phy */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007250 bnx2x_cl45_write(bp, &phy[port],
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007251 MDIO_PMA_DEVAD,
7252 MDIO_PMA_REG_CTRL,
7253 1<<15);
7254 }
7255
7256 /* Add delay of 150ms after reset */
7257 msleep(150);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007258 if (phy[PORT_0].addr & 0x1) {
7259 phy_blk[PORT_0] = &(phy[PORT_1]);
7260 phy_blk[PORT_1] = &(phy[PORT_0]);
7261 } else {
7262 phy_blk[PORT_0] = &(phy[PORT_0]);
7263 phy_blk[PORT_1] = &(phy[PORT_1]);
7264 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007265 /* PART2 - Download firmware to both phys */
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007266 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007267 u16 fw_ver1;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007268 if (CHIP_IS_E2(bp))
7269 port_of_path = 0;
7270 else
7271 port_of_path = port;
7272 DP(NETIF_MSG_LINK, "Loading spirom for phy address 0x%x\n",
7273 phy_blk[port]->addr);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007274 bnx2x_8073_8727_external_rom_boot(bp, phy_blk[port],
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007275 port_of_path);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00007276 bnx2x_cl45_read(bp, phy_blk[port],
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007277 MDIO_PMA_DEVAD,
7278 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
7279 if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
7280 DP(NETIF_MSG_LINK,
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00007281 "bnx2x_8727_common_init_phy port %x:"
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007282 "Download failed. fw version = 0x%x\n",
7283 port, fw_ver1);
7284 return -EINVAL;
7285 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007286 }
7287
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007288 return 0;
7289}
7290
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007291static u8 bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
7292 u32 shmem2_base_path[], u8 phy_index,
7293 u32 ext_phy_type, u32 chip_id)
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007294{
7295 u8 rc = 0;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007296
7297 switch (ext_phy_type) {
7298 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007299 rc = bnx2x_8073_common_init_phy(bp, shmem_base_path,
7300 shmem2_base_path,
7301 phy_index, chip_id);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007302 break;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007303
7304 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
7305 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007306 rc = bnx2x_8727_common_init_phy(bp, shmem_base_path,
7307 shmem2_base_path,
7308 phy_index, chip_id);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007309 break;
7310
Eilon Greenstein589abe32009-02-12 08:36:55 +00007311 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
7312 /* GPIO1 affects both ports, so there's need to pull
7313 it for single port alone */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007314 rc = bnx2x_8726_common_init_phy(bp, shmem_base_path,
7315 shmem2_base_path,
7316 phy_index, chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007317 break;
7318 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7319 rc = -EINVAL;
Yaniv Rosner4f60dab2009-11-05 19:18:23 +02007320 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07007321 default:
7322 DP(NETIF_MSG_LINK,
7323 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
7324 ext_phy_type);
7325 break;
7326 }
7327
7328 return rc;
7329}
7330
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007331u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base_path[],
7332 u32 shmem2_base_path[], u32 chip_id)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007333{
7334 u8 rc = 0;
7335 u8 phy_index;
7336 u32 ext_phy_type, ext_phy_config;
7337 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007338
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007339 if (CHIP_REV_IS_EMUL(bp))
7340 return 0;
7341
7342 /* Read the ext_phy_type for arbitrary port(0) */
7343 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
7344 phy_index++) {
7345 ext_phy_config = bnx2x_get_ext_phy_config(bp,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007346 shmem_base_path[0],
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007347 phy_index, 0);
7348 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007349 rc |= bnx2x_ext_phy_common_init(bp, shmem_base_path,
7350 shmem2_base_path,
7351 phy_index, ext_phy_type,
7352 chip_id);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007353 }
7354 return rc;
7355}
7356
7357u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base, u32 shmem2_base)
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007358{
7359 u8 phy_index;
7360 struct bnx2x_phy phy;
7361 for (phy_index = INT_PHY; phy_index < MAX_PHYS;
7362 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007363 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007364 0, &phy) != 0) {
7365 DP(NETIF_MSG_LINK, "populate phy failed\n");
7366 return 0;
7367 }
7368
7369 if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
7370 return 1;
7371 }
7372 return 0;
7373}
7374
7375u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
7376 u32 shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007377 u32 shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007378 u8 port)
7379{
7380 u8 phy_index, fan_failure_det_req = 0;
7381 struct bnx2x_phy phy;
7382 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
7383 phy_index++) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007384 if (bnx2x_populate_phy(bp, phy_index, shmem_base, shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00007385 port, &phy)
7386 != 0) {
7387 DP(NETIF_MSG_LINK, "populate phy failed\n");
7388 return 0;
7389 }
7390 fan_failure_det_req |= (phy.flags &
7391 FLAGS_FAN_FAILURE_DET_REQ);
7392 }
7393 return fan_failure_det_req;
7394}
7395
7396void bnx2x_hw_reset_phy(struct link_params *params)
7397{
7398 u8 phy_index;
7399 for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
7400 phy_index++) {
7401 if (params->phy[phy_index].hw_reset) {
7402 params->phy[phy_index].hw_reset(
7403 &params->phy[phy_index],
7404 params);
7405 params->phy[phy_index] = phy_null;
7406 }
7407 }
7408}