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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
17#include <linux/kernel.h>
18#include <linux/errno.h>
19#include <linux/pci.h>
20#include <linux/netdevice.h>
21#include <linux/delay.h>
22#include <linux/ethtool.h>
23#include <linux/mutex.h>
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070024
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070025#include "bnx2x.h"
26
27/********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070028#define ETH_HLEN 14
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070029#define ETH_OVREHEAD (ETH_HLEN + 8)/* 8 for CRC + VLAN*/
30#define ETH_MIN_PACKET_SIZE 60
31#define ETH_MAX_PACKET_SIZE 1500
32#define ETH_MAX_JUMBO_PACKET_SIZE 9600
33#define MDIO_ACCESS_TIMEOUT 1000
34#define BMAC_CONTROL_RX_ENABLE 2
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070035
36/***********************************************************/
Eilon Greenstein3196a882008-08-13 15:58:49 -070037/* Shortcut definitions */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070038/***********************************************************/
39
Eilon Greenstein2f904462009-08-12 08:22:16 +000040#define NIG_LATCH_BC_ENABLE_MI_INT 0
41
42#define NIG_STATUS_EMAC0_MI_INT \
43 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_EMAC0_MISC_MI_INT
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070044#define NIG_STATUS_XGXS0_LINK10G \
45 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
46#define NIG_STATUS_XGXS0_LINK_STATUS \
47 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
48#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
49 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
50#define NIG_STATUS_SERDES0_LINK_STATUS \
51 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
52#define NIG_MASK_MI_INT \
53 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
54#define NIG_MASK_XGXS0_LINK10G \
55 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
56#define NIG_MASK_XGXS0_LINK_STATUS \
57 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
58#define NIG_MASK_SERDES0_LINK_STATUS \
59 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
60
61#define MDIO_AN_CL73_OR_37_COMPLETE \
62 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
63 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
64
65#define XGXS_RESET_BITS \
66 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
67 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
68 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
69 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
70 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
71
72#define SERDES_RESET_BITS \
73 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
74 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
75 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
76 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
77
78#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
79#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Eilon Greenstein3196a882008-08-13 15:58:49 -070080#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
81#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070082 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070083#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070084 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070085#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070086
87#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
88 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
89#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
90 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
91#define GP_STATUS_SPEED_MASK \
92 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
93#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
94#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
95#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
96#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
97#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
98#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
99#define GP_STATUS_10G_HIG \
100 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
101#define GP_STATUS_10G_CX4 \
102 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
103#define GP_STATUS_12G_HIG \
104 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
105#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
106#define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
107#define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
108#define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
109#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
110#define GP_STATUS_10G_KX4 \
111 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
112
113#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
114#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
115#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
116#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
117#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
118#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
119#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
120#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
121#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
122#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
123#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
124#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
125#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
126#define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
127#define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
128#define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
129#define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
130#define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
131#define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
132#define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
133#define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
134#define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
135#define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
136
137#define PHY_XGXS_FLAG 0x1
138#define PHY_SGMII_FLAG 0x2
139#define PHY_SERDES_FLAG 0x4
140
Eilon Greenstein589abe32009-02-12 08:36:55 +0000141/* */
142#define SFP_EEPROM_CON_TYPE_ADDR 0x2
143 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
144 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
145
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000146
147#define SFP_EEPROM_COMP_CODE_ADDR 0x3
148 #define SFP_EEPROM_COMP_CODE_SR_MASK (1<<4)
149 #define SFP_EEPROM_COMP_CODE_LR_MASK (1<<5)
150 #define SFP_EEPROM_COMP_CODE_LRM_MASK (1<<6)
151
Eilon Greenstein589abe32009-02-12 08:36:55 +0000152#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
153 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
154 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000155
Eilon Greenstein589abe32009-02-12 08:36:55 +0000156#define SFP_EEPROM_OPTIONS_ADDR 0x40
157 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
158#define SFP_EEPROM_OPTIONS_SIZE 2
159
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000160#define EDC_MODE_LINEAR 0x0022
161#define EDC_MODE_LIMITING 0x0044
162#define EDC_MODE_PASSIVE_DAC 0x0055
Eilon Greenstein589abe32009-02-12 08:36:55 +0000163
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000164
165
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700166/**********************************************************/
167/* INTERFACE */
168/**********************************************************/
169#define CL45_WR_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \
170 bnx2x_cl45_write(_bp, _port, 0, _phy_addr, \
171 DEFAULT_PHY_DEV_ADDR, \
172 (_bank + (_addr & 0xf)), \
173 _val)
174
175#define CL45_RD_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \
176 bnx2x_cl45_read(_bp, _port, 0, _phy_addr, \
177 DEFAULT_PHY_DEV_ADDR, \
178 (_bank + (_addr & 0xf)), \
179 _val)
180
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000181static void bnx2x_set_serdes_access(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700182{
183 struct bnx2x *bp = params->bp;
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000184 u32 emac_base = (params->port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
185 /* Set Clause 22 */
186 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 1);
187 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
188 udelay(500);
189 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
190 udelay(500);
191 /* Set Clause 45 */
192 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 0);
193}
194static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags)
195{
196 struct bnx2x *bp = params->bp;
197 if (phy_flags & PHY_XGXS_FLAG) {
198 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
199 params->port*0x18, 0);
200 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
201 DEFAULT_PHY_DEV_ADDR);
202 } else {
203 bnx2x_set_serdes_access(params);
204
205 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
206 params->port*0x10,
207 DEFAULT_PHY_DEV_ADDR);
208 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700209}
210
211static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
212{
213 u32 val = REG_RD(bp, reg);
214
215 val |= bits;
216 REG_WR(bp, reg, val);
217 return val;
218}
219
220static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits)
221{
222 u32 val = REG_RD(bp, reg);
223
224 val &= ~bits;
225 REG_WR(bp, reg, val);
226 return val;
227}
228
229static void bnx2x_emac_init(struct link_params *params,
230 struct link_vars *vars)
231{
232 /* reset and unreset the emac core */
233 struct bnx2x *bp = params->bp;
234 u8 port = params->port;
235 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
236 u32 val;
237 u16 timeout;
238
239 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
240 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
241 udelay(5);
242 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
243 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
244
245 /* init emac - use read-modify-write */
246 /* self clear reset */
247 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700248 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700249
250 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700251 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700252 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
253 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
254 if (!timeout) {
255 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
256 return;
257 }
258 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700259 } while (val & EMAC_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700260
261 /* Set mac address */
262 val = ((params->mac_addr[0] << 8) |
263 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700264 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700265
266 val = ((params->mac_addr[2] << 24) |
267 (params->mac_addr[3] << 16) |
268 (params->mac_addr[4] << 8) |
269 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700270 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700271}
272
273static u8 bnx2x_emac_enable(struct link_params *params,
274 struct link_vars *vars, u8 lb)
275{
276 struct bnx2x *bp = params->bp;
277 u8 port = params->port;
278 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
279 u32 val;
280
281 DP(NETIF_MSG_LINK, "enabling EMAC\n");
282
283 /* enable emac and not bmac */
284 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
285
286 /* for paladium */
287 if (CHIP_REV_IS_EMUL(bp)) {
288 /* Use lane 1 (of lanes 0-3) */
289 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
290 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
291 port*4, 1);
292 }
293 /* for fpga */
294 else
295
296 if (CHIP_REV_IS_FPGA(bp)) {
297 /* Use lane 1 (of lanes 0-3) */
298 DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
299
300 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
301 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
302 0);
303 } else
304 /* ASIC */
305 if (vars->phy_flags & PHY_XGXS_FLAG) {
306 u32 ser_lane = ((params->lane_config &
307 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
308 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
309
310 DP(NETIF_MSG_LINK, "XGXS\n");
311 /* select the master lanes (out of 0-3) */
312 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 +
313 port*4, ser_lane);
314 /* select XGXS */
315 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
316 port*4, 1);
317
318 } else { /* SerDes */
319 DP(NETIF_MSG_LINK, "SerDes\n");
320 /* select SerDes */
321 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
322 port*4, 0);
323 }
324
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000325 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
326 EMAC_RX_MODE_RESET);
327 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
328 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700329
330 if (CHIP_REV_IS_SLOW(bp)) {
331 /* config GMII mode */
332 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700333 EMAC_WR(bp, EMAC_REG_EMAC_MODE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700334 (val | EMAC_MODE_PORT_GMII));
335 } else { /* ASIC */
336 /* pause enable/disable */
337 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
338 EMAC_RX_MODE_FLOW_EN);
David S. Millerc0700f92008-12-16 23:53:20 -0800339 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700340 bnx2x_bits_en(bp, emac_base +
341 EMAC_REG_EMAC_RX_MODE,
342 EMAC_RX_MODE_FLOW_EN);
343
344 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700345 (EMAC_TX_MODE_EXT_PAUSE_EN |
346 EMAC_TX_MODE_FLOW_EN));
David S. Millerc0700f92008-12-16 23:53:20 -0800347 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700348 bnx2x_bits_en(bp, emac_base +
349 EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700350 (EMAC_TX_MODE_EXT_PAUSE_EN |
351 EMAC_TX_MODE_FLOW_EN));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700352 }
353
354 /* KEEP_VLAN_TAG, promiscuous */
355 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
356 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700357 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700358
359 /* Set Loopback */
360 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
361 if (lb)
362 val |= 0x810;
363 else
364 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700365 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700366
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000367 /* enable emac */
368 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
369
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700370 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700371 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700372 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
373 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
374
375 /* strip CRC */
376 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
377
378 /* disable the NIG in/out to the bmac */
379 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
380 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
381 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
382
383 /* enable the NIG in/out to the emac */
384 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
385 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800386 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700387 val = 1;
388
389 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
390 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
391
392 if (CHIP_REV_IS_EMUL(bp)) {
393 /* take the BigMac out of reset */
394 REG_WR(bp,
395 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
396 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
397
398 /* enable access for bmac registers */
399 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
400 }
401
402 vars->mac_type = MAC_TYPE_EMAC;
403 return 0;
404}
405
406
407
408static u8 bnx2x_bmac_enable(struct link_params *params, struct link_vars *vars,
409 u8 is_lb)
410{
411 struct bnx2x *bp = params->bp;
412 u8 port = params->port;
413 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
414 NIG_REG_INGRESS_BMAC0_MEM;
415 u32 wb_data[2];
416 u32 val;
417
418 DP(NETIF_MSG_LINK, "Enabling BigMAC\n");
419 /* reset and unreset the BigMac */
420 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
421 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
422 msleep(1);
423
424 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
425 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
426
427 /* enable access for bmac registers */
428 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
429
430 /* XGXS control */
431 wb_data[0] = 0x3c;
432 wb_data[1] = 0;
433 REG_WR_DMAE(bp, bmac_addr +
434 BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
435 wb_data, 2);
436
437 /* tx MAC SA */
438 wb_data[0] = ((params->mac_addr[2] << 24) |
439 (params->mac_addr[3] << 16) |
440 (params->mac_addr[4] << 8) |
441 params->mac_addr[5]);
442 wb_data[1] = ((params->mac_addr[0] << 8) |
443 params->mac_addr[1]);
444 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR,
445 wb_data, 2);
446
447 /* tx control */
448 val = 0xc0;
David S. Millerc0700f92008-12-16 23:53:20 -0800449 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700450 val |= 0x800000;
451 wb_data[0] = val;
452 wb_data[1] = 0;
453 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL,
454 wb_data, 2);
455
456 /* mac control */
457 val = 0x3;
458 if (is_lb) {
459 val |= 0x4;
460 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
461 }
462 wb_data[0] = val;
463 wb_data[1] = 0;
464 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
465 wb_data, 2);
466
467
468 /* set rx mtu */
469 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
470 wb_data[1] = 0;
471 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE,
472 wb_data, 2);
473
474 /* rx control set to don't strip crc */
475 val = 0x14;
David S. Millerc0700f92008-12-16 23:53:20 -0800476 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700477 val |= 0x20;
478 wb_data[0] = val;
479 wb_data[1] = 0;
480 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL,
481 wb_data, 2);
482
483 /* set tx mtu */
484 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
485 wb_data[1] = 0;
486 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE,
487 wb_data, 2);
488
489 /* set cnt max size */
490 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
491 wb_data[1] = 0;
492 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE,
493 wb_data, 2);
494
495 /* configure safc */
496 wb_data[0] = 0x1000200;
497 wb_data[1] = 0;
498 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
499 wb_data, 2);
500 /* fix for emulation */
501 if (CHIP_REV_IS_EMUL(bp)) {
502 wb_data[0] = 0xf000;
503 wb_data[1] = 0;
504 REG_WR_DMAE(bp,
505 bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
506 wb_data, 2);
507 }
508
509 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
510 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
511 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
512 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800513 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700514 val = 1;
515 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
516 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
517 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
518 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
519 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
520 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
521
522 vars->mac_type = MAC_TYPE_BMAC;
523 return 0;
524}
525
526static void bnx2x_phy_deassert(struct link_params *params, u8 phy_flags)
527{
528 struct bnx2x *bp = params->bp;
529 u32 val;
530
531 if (phy_flags & PHY_XGXS_FLAG) {
532 DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:XGXS\n");
533 val = XGXS_RESET_BITS;
534
535 } else { /* SerDes */
536 DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:SerDes\n");
537 val = SERDES_RESET_BITS;
538 }
539
540 val = val << (params->port*16);
541
542 /* reset and unreset the SerDes/XGXS */
543 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
544 val);
545 udelay(500);
546 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET,
547 val);
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000548 bnx2x_set_phy_mdio(params, phy_flags);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700549}
550
551void bnx2x_link_status_update(struct link_params *params,
552 struct link_vars *vars)
553{
554 struct bnx2x *bp = params->bp;
555 u8 link_10g;
556 u8 port = params->port;
557
558 if (params->switch_cfg == SWITCH_CFG_1G)
559 vars->phy_flags = PHY_SERDES_FLAG;
560 else
561 vars->phy_flags = PHY_XGXS_FLAG;
562 vars->link_status = REG_RD(bp, params->shmem_base +
563 offsetof(struct shmem_region,
564 port_mb[port].link_status));
565
566 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
567
568 if (vars->link_up) {
569 DP(NETIF_MSG_LINK, "phy link up\n");
570
571 vars->phy_link_up = 1;
572 vars->duplex = DUPLEX_FULL;
573 switch (vars->link_status &
574 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
575 case LINK_10THD:
576 vars->duplex = DUPLEX_HALF;
577 /* fall thru */
578 case LINK_10TFD:
579 vars->line_speed = SPEED_10;
580 break;
581
582 case LINK_100TXHD:
583 vars->duplex = DUPLEX_HALF;
584 /* fall thru */
585 case LINK_100T4:
586 case LINK_100TXFD:
587 vars->line_speed = SPEED_100;
588 break;
589
590 case LINK_1000THD:
591 vars->duplex = DUPLEX_HALF;
592 /* fall thru */
593 case LINK_1000TFD:
594 vars->line_speed = SPEED_1000;
595 break;
596
597 case LINK_2500THD:
598 vars->duplex = DUPLEX_HALF;
599 /* fall thru */
600 case LINK_2500TFD:
601 vars->line_speed = SPEED_2500;
602 break;
603
604 case LINK_10GTFD:
605 vars->line_speed = SPEED_10000;
606 break;
607
608 case LINK_12GTFD:
609 vars->line_speed = SPEED_12000;
610 break;
611
612 case LINK_12_5GTFD:
613 vars->line_speed = SPEED_12500;
614 break;
615
616 case LINK_13GTFD:
617 vars->line_speed = SPEED_13000;
618 break;
619
620 case LINK_15GTFD:
621 vars->line_speed = SPEED_15000;
622 break;
623
624 case LINK_16GTFD:
625 vars->line_speed = SPEED_16000;
626 break;
627
628 default:
629 break;
630 }
631
632 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
David S. Millerc0700f92008-12-16 23:53:20 -0800633 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700634 else
David S. Millerc0700f92008-12-16 23:53:20 -0800635 vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700636
637 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
David S. Millerc0700f92008-12-16 23:53:20 -0800638 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700639 else
David S. Millerc0700f92008-12-16 23:53:20 -0800640 vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700641
642 if (vars->phy_flags & PHY_XGXS_FLAG) {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700643 if (vars->line_speed &&
644 ((vars->line_speed == SPEED_10) ||
645 (vars->line_speed == SPEED_100))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700646 vars->phy_flags |= PHY_SGMII_FLAG;
647 } else {
648 vars->phy_flags &= ~PHY_SGMII_FLAG;
649 }
650 }
651
652 /* anything 10 and over uses the bmac */
653 link_10g = ((vars->line_speed == SPEED_10000) ||
654 (vars->line_speed == SPEED_12000) ||
655 (vars->line_speed == SPEED_12500) ||
656 (vars->line_speed == SPEED_13000) ||
657 (vars->line_speed == SPEED_15000) ||
658 (vars->line_speed == SPEED_16000));
659 if (link_10g)
660 vars->mac_type = MAC_TYPE_BMAC;
661 else
662 vars->mac_type = MAC_TYPE_EMAC;
663
664 } else { /* link down */
665 DP(NETIF_MSG_LINK, "phy link down\n");
666
667 vars->phy_link_up = 0;
668
669 vars->line_speed = 0;
670 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -0800671 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700672
673 /* indicate no mac active */
674 vars->mac_type = MAC_TYPE_NONE;
675 }
676
677 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
678 vars->link_status, vars->phy_link_up);
679 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
680 vars->line_speed, vars->duplex, vars->flow_ctrl);
681}
682
683static void bnx2x_update_mng(struct link_params *params, u32 link_status)
684{
685 struct bnx2x *bp = params->bp;
686 REG_WR(bp, params->shmem_base +
687 offsetof(struct shmem_region,
688 port_mb[params->port].link_status),
689 link_status);
690}
691
692static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
693{
694 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
695 NIG_REG_INGRESS_BMAC0_MEM;
696 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -0700697 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700698
699 /* Only if the bmac is out of reset */
700 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
701 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
702 nig_bmac_enable) {
703
704 /* Clear Rx Enable bit in BMAC_CONTROL register */
705 REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
706 wb_data, 2);
707 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
708 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
709 wb_data, 2);
710
711 msleep(1);
712 }
713}
714
715static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
716 u32 line_speed)
717{
718 struct bnx2x *bp = params->bp;
719 u8 port = params->port;
720 u32 init_crd, crd;
721 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700722
723 /* disable port */
724 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
725
726 /* wait for init credit */
727 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
728 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
729 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
730
731 while ((init_crd != crd) && count) {
732 msleep(5);
733
734 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
735 count--;
736 }
737 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
738 if (init_crd != crd) {
739 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
740 init_crd, crd);
741 return -EINVAL;
742 }
743
David S. Millerc0700f92008-12-16 23:53:20 -0800744 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700745 line_speed == SPEED_10 ||
746 line_speed == SPEED_100 ||
747 line_speed == SPEED_1000 ||
748 line_speed == SPEED_2500) {
749 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700750 /* update threshold */
751 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
752 /* update init credit */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700753 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700754
755 } else {
756 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
757 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700758 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700759 /* update threshold */
760 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
761 /* update init credit */
762 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700763 case SPEED_10000:
764 init_crd = thresh + 553 - 22;
765 break;
766
767 case SPEED_12000:
768 init_crd = thresh + 664 - 22;
769 break;
770
771 case SPEED_13000:
772 init_crd = thresh + 742 - 22;
773 break;
774
775 case SPEED_16000:
776 init_crd = thresh + 778 - 22;
777 break;
778 default:
779 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
780 line_speed);
781 return -EINVAL;
782 break;
783 }
784 }
785 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
786 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
787 line_speed, init_crd);
788
789 /* probe the credit changes */
790 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
791 msleep(5);
792 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
793
794 /* enable port */
795 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
796 return 0;
797}
798
Eilon Greenstein589abe32009-02-12 08:36:55 +0000799static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 ext_phy_type, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700800{
801 u32 emac_base;
802 switch (ext_phy_type) {
803 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Eilon Greenstein589abe32009-02-12 08:36:55 +0000804 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Eilon Greenstein4d295db2009-07-21 05:47:47 +0000805 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Eilon Greenstein589abe32009-02-12 08:36:55 +0000806 /* All MDC/MDIO is directed through single EMAC */
807 if (REG_RD(bp, NIG_REG_PORT_SWAP))
808 emac_base = GRCBASE_EMAC0;
809 else
810 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700811 break;
812 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eilon Greenstein6378c022008-08-13 15:59:25 -0700813 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700814 break;
815 default:
Eilon Greenstein6378c022008-08-13 15:59:25 -0700816 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700817 break;
818 }
819 return emac_base;
820
821}
822
823u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type,
824 u8 phy_addr, u8 devad, u16 reg, u16 val)
825{
826 u32 tmp, saved_mode;
827 u8 i, rc = 0;
Eilon Greenstein589abe32009-02-12 08:36:55 +0000828 u32 mdio_ctrl = bnx2x_get_emac_base(bp, ext_phy_type, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700829
830 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
831 * (a value of 49==0x31) and make sure that the AUTO poll is off
832 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000833
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700834 saved_mode = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
835 tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
836 EMAC_MDIO_MODE_CLOCK_CNT);
837 tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
838 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
839 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
840 REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
841 udelay(40);
842
843 /* address */
844
845 tmp = ((phy_addr << 21) | (devad << 16) | reg |
846 EMAC_MDIO_COMM_COMMAND_ADDRESS |
847 EMAC_MDIO_COMM_START_BUSY);
848 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
849
850 for (i = 0; i < 50; i++) {
851 udelay(10);
852
853 tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
854 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
855 udelay(5);
856 break;
857 }
858 }
859 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
860 DP(NETIF_MSG_LINK, "write phy register failed\n");
861 rc = -EFAULT;
862 } else {
863 /* data */
864 tmp = ((phy_addr << 21) | (devad << 16) | val |
865 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
866 EMAC_MDIO_COMM_START_BUSY);
867 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
868
869 for (i = 0; i < 50; i++) {
870 udelay(10);
871
872 tmp = REG_RD(bp, mdio_ctrl +
873 EMAC_REG_EMAC_MDIO_COMM);
874 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
875 udelay(5);
876 break;
877 }
878 }
879 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
880 DP(NETIF_MSG_LINK, "write phy register failed\n");
881 rc = -EFAULT;
882 }
883 }
884
885 /* Restore the saved mode */
886 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
887
888 return rc;
889}
890
891u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type,
892 u8 phy_addr, u8 devad, u16 reg, u16 *ret_val)
893{
894 u32 val, saved_mode;
895 u16 i;
896 u8 rc = 0;
897
Eilon Greenstein589abe32009-02-12 08:36:55 +0000898 u32 mdio_ctrl = bnx2x_get_emac_base(bp, ext_phy_type, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700899 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
900 * (a value of 49==0x31) and make sure that the AUTO poll is off
901 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000902
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700903 saved_mode = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
904 val = saved_mode & ((EMAC_MDIO_MODE_AUTO_POLL |
905 EMAC_MDIO_MODE_CLOCK_CNT));
906 val |= (EMAC_MDIO_MODE_CLAUSE_45 |
907 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
908 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
909 REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
910 udelay(40);
911
912 /* address */
913 val = ((phy_addr << 21) | (devad << 16) | reg |
914 EMAC_MDIO_COMM_COMMAND_ADDRESS |
915 EMAC_MDIO_COMM_START_BUSY);
916 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
917
918 for (i = 0; i < 50; i++) {
919 udelay(10);
920
921 val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
922 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
923 udelay(5);
924 break;
925 }
926 }
927 if (val & EMAC_MDIO_COMM_START_BUSY) {
928 DP(NETIF_MSG_LINK, "read phy register failed\n");
929
930 *ret_val = 0;
931 rc = -EFAULT;
932
933 } else {
934 /* data */
935 val = ((phy_addr << 21) | (devad << 16) |
936 EMAC_MDIO_COMM_COMMAND_READ_45 |
937 EMAC_MDIO_COMM_START_BUSY);
938 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
939
940 for (i = 0; i < 50; i++) {
941 udelay(10);
942
943 val = REG_RD(bp, mdio_ctrl +
944 EMAC_REG_EMAC_MDIO_COMM);
945 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
946 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
947 break;
948 }
949 }
950 if (val & EMAC_MDIO_COMM_START_BUSY) {
951 DP(NETIF_MSG_LINK, "read phy register failed\n");
952
953 *ret_val = 0;
954 rc = -EFAULT;
955 }
956 }
957
958 /* Restore the saved mode */
959 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
960
961 return rc;
962}
963
964static void bnx2x_set_aer_mmd(struct link_params *params,
965 struct link_vars *vars)
966{
967 struct bnx2x *bp = params->bp;
968 u32 ser_lane;
969 u16 offset;
970
971 ser_lane = ((params->lane_config &
972 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
973 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
974
975 offset = (vars->phy_flags & PHY_XGXS_FLAG) ?
976 (params->phy_addr + ser_lane) : 0;
977
978 CL45_WR_OVER_CL22(bp, params->port,
979 params->phy_addr,
980 MDIO_REG_BANK_AER_BLOCK,
981 MDIO_AER_BLOCK_AER_REG, 0x3800 + offset);
982}
983
984static void bnx2x_set_master_ln(struct link_params *params)
985{
986 struct bnx2x *bp = params->bp;
987 u16 new_master_ln, ser_lane;
988 ser_lane = ((params->lane_config &
989 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
990 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
991
992 /* set the master_ln for AN */
993 CL45_RD_OVER_CL22(bp, params->port,
994 params->phy_addr,
995 MDIO_REG_BANK_XGXS_BLOCK2,
996 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
997 &new_master_ln);
998
999 CL45_WR_OVER_CL22(bp, params->port,
1000 params->phy_addr,
1001 MDIO_REG_BANK_XGXS_BLOCK2 ,
1002 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
1003 (new_master_ln | ser_lane));
1004}
1005
1006static u8 bnx2x_reset_unicore(struct link_params *params)
1007{
1008 struct bnx2x *bp = params->bp;
1009 u16 mii_control;
1010 u16 i;
1011
1012 CL45_RD_OVER_CL22(bp, params->port,
1013 params->phy_addr,
1014 MDIO_REG_BANK_COMBO_IEEE0,
1015 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
1016
1017 /* reset the unicore */
1018 CL45_WR_OVER_CL22(bp, params->port,
1019 params->phy_addr,
1020 MDIO_REG_BANK_COMBO_IEEE0,
1021 MDIO_COMBO_IEEE0_MII_CONTROL,
1022 (mii_control |
1023 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
1024
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001025 bnx2x_set_serdes_access(params);
1026
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001027 /* wait for the reset to self clear */
1028 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1029 udelay(5);
1030
1031 /* the reset erased the previous bank value */
1032 CL45_RD_OVER_CL22(bp, params->port,
1033 params->phy_addr,
1034 MDIO_REG_BANK_COMBO_IEEE0,
1035 MDIO_COMBO_IEEE0_MII_CONTROL,
1036 &mii_control);
1037
1038 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1039 udelay(5);
1040 return 0;
1041 }
1042 }
1043
1044 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1045 return -EINVAL;
1046
1047}
1048
1049static void bnx2x_set_swap_lanes(struct link_params *params)
1050{
1051 struct bnx2x *bp = params->bp;
1052 /* Each two bits represents a lane number:
1053 No swap is 0123 => 0x1b no need to enable the swap */
1054 u16 ser_lane, rx_lane_swap, tx_lane_swap;
1055
1056 ser_lane = ((params->lane_config &
1057 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1058 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1059 rx_lane_swap = ((params->lane_config &
1060 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
1061 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
1062 tx_lane_swap = ((params->lane_config &
1063 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
1064 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
1065
1066 if (rx_lane_swap != 0x1b) {
1067 CL45_WR_OVER_CL22(bp, params->port,
1068 params->phy_addr,
1069 MDIO_REG_BANK_XGXS_BLOCK2,
1070 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
1071 (rx_lane_swap |
1072 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
1073 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
1074 } else {
1075 CL45_WR_OVER_CL22(bp, params->port,
1076 params->phy_addr,
1077 MDIO_REG_BANK_XGXS_BLOCK2,
1078 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
1079 }
1080
1081 if (tx_lane_swap != 0x1b) {
1082 CL45_WR_OVER_CL22(bp, params->port,
1083 params->phy_addr,
1084 MDIO_REG_BANK_XGXS_BLOCK2,
1085 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
1086 (tx_lane_swap |
1087 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
1088 } else {
1089 CL45_WR_OVER_CL22(bp, params->port,
1090 params->phy_addr,
1091 MDIO_REG_BANK_XGXS_BLOCK2,
1092 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
1093 }
1094}
1095
1096static void bnx2x_set_parallel_detection(struct link_params *params,
Eilon Greenstein3196a882008-08-13 15:58:49 -07001097 u8 phy_flags)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001098{
1099 struct bnx2x *bp = params->bp;
1100 u16 control2;
1101
1102 CL45_RD_OVER_CL22(bp, params->port,
1103 params->phy_addr,
1104 MDIO_REG_BANK_SERDES_DIGITAL,
1105 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1106 &control2);
1107
1108
1109 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1110
1111
1112 CL45_WR_OVER_CL22(bp, params->port,
1113 params->phy_addr,
1114 MDIO_REG_BANK_SERDES_DIGITAL,
1115 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1116 control2);
1117
1118 if (phy_flags & PHY_XGXS_FLAG) {
1119 DP(NETIF_MSG_LINK, "XGXS\n");
1120
1121 CL45_WR_OVER_CL22(bp, params->port,
1122 params->phy_addr,
1123 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1124 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
1125 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
1126
1127 CL45_RD_OVER_CL22(bp, params->port,
1128 params->phy_addr,
1129 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1130 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1131 &control2);
1132
1133
1134 control2 |=
1135 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
1136
1137 CL45_WR_OVER_CL22(bp, params->port,
1138 params->phy_addr,
1139 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1140 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1141 control2);
1142
1143 /* Disable parallel detection of HiG */
1144 CL45_WR_OVER_CL22(bp, params->port,
1145 params->phy_addr,
1146 MDIO_REG_BANK_XGXS_BLOCK2,
1147 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
1148 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
1149 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
1150 }
1151}
1152
1153static void bnx2x_set_autoneg(struct link_params *params,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001154 struct link_vars *vars,
1155 u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001156{
1157 struct bnx2x *bp = params->bp;
1158 u16 reg_val;
1159
1160 /* CL37 Autoneg */
1161
1162 CL45_RD_OVER_CL22(bp, params->port,
1163 params->phy_addr,
1164 MDIO_REG_BANK_COMBO_IEEE0,
1165 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1166
1167 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001168 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001169 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
1170 else /* CL37 Autoneg Disabled */
1171 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1172 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
1173
1174 CL45_WR_OVER_CL22(bp, params->port,
1175 params->phy_addr,
1176 MDIO_REG_BANK_COMBO_IEEE0,
1177 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1178
1179 /* Enable/Disable Autodetection */
1180
1181 CL45_RD_OVER_CL22(bp, params->port,
1182 params->phy_addr,
1183 MDIO_REG_BANK_SERDES_DIGITAL,
1184 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
Eilon Greenstein239d6862009-08-12 08:23:04 +00001185 reg_val &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN |
1186 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT);
1187 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001188 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001189 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1190 else
1191 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1192
1193 CL45_WR_OVER_CL22(bp, params->port,
1194 params->phy_addr,
1195 MDIO_REG_BANK_SERDES_DIGITAL,
1196 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
1197
1198 /* Enable TetonII and BAM autoneg */
1199 CL45_RD_OVER_CL22(bp, params->port,
1200 params->phy_addr,
1201 MDIO_REG_BANK_BAM_NEXT_PAGE,
1202 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1203 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001204 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001205 /* Enable BAM aneg Mode and TetonII aneg Mode */
1206 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1207 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1208 } else {
1209 /* TetonII and BAM Autoneg Disabled */
1210 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1211 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1212 }
1213 CL45_WR_OVER_CL22(bp, params->port,
1214 params->phy_addr,
1215 MDIO_REG_BANK_BAM_NEXT_PAGE,
1216 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1217 reg_val);
1218
Eilon Greenstein239d6862009-08-12 08:23:04 +00001219 if (enable_cl73) {
1220 /* Enable Cl73 FSM status bits */
1221 CL45_WR_OVER_CL22(bp, params->port,
1222 params->phy_addr,
1223 MDIO_REG_BANK_CL73_USERB0,
1224 MDIO_CL73_USERB0_CL73_UCTRL,
1225 MDIO_CL73_USERB0_CL73_UCTRL_USTAT1_MUXSEL);
1226
1227 /* Enable BAM Station Manager*/
1228 CL45_WR_OVER_CL22(bp, params->port,
1229 params->phy_addr,
1230 MDIO_REG_BANK_CL73_USERB0,
1231 MDIO_CL73_USERB0_CL73_BAM_CTRL1,
1232 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
1233 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
1234 MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN);
1235
1236 /* Merge CL73 and CL37 aneg resolution */
1237 CL45_RD_OVER_CL22(bp, params->port,
1238 params->phy_addr,
1239 MDIO_REG_BANK_CL73_USERB0,
1240 MDIO_CL73_USERB0_CL73_BAM_CTRL3,
1241 &reg_val);
1242
1243 if (params->speed_cap_mask &
1244 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
1245 /* Set the CL73 AN speed */
1246 CL45_RD_OVER_CL22(bp, params->port,
1247 params->phy_addr,
1248 MDIO_REG_BANK_CL73_IEEEB1,
1249 MDIO_CL73_IEEEB1_AN_ADV2,
1250 &reg_val);
1251
1252 CL45_WR_OVER_CL22(bp, params->port,
1253 params->phy_addr,
1254 MDIO_REG_BANK_CL73_IEEEB1,
1255 MDIO_CL73_IEEEB1_AN_ADV2,
1256 reg_val | MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4);
1257
1258 }
1259 /* CL73 Autoneg Enabled */
1260 reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
1261
1262 } else /* CL73 Autoneg Disabled */
1263 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001264
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001265 CL45_WR_OVER_CL22(bp, params->port,
1266 params->phy_addr,
1267 MDIO_REG_BANK_CL73_IEEEB0,
1268 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
1269}
1270
1271/* program SerDes, forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001272static void bnx2x_program_serdes(struct link_params *params,
1273 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001274{
1275 struct bnx2x *bp = params->bp;
1276 u16 reg_val;
1277
1278 /* program duplex, disable autoneg */
1279
1280 CL45_RD_OVER_CL22(bp, params->port,
1281 params->phy_addr,
1282 MDIO_REG_BANK_COMBO_IEEE0,
1283 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1284 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
1285 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN);
1286 if (params->req_duplex == DUPLEX_FULL)
1287 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
1288 CL45_WR_OVER_CL22(bp, params->port,
1289 params->phy_addr,
1290 MDIO_REG_BANK_COMBO_IEEE0,
1291 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1292
1293 /* program speed
1294 - needed only if the speed is greater than 1G (2.5G or 10G) */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001295 CL45_RD_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001296 params->phy_addr,
1297 MDIO_REG_BANK_SERDES_DIGITAL,
1298 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001299 /* clearing the speed value before setting the right speed */
1300 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
1301
1302 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
1303 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
1304
1305 if (!((vars->line_speed == SPEED_1000) ||
1306 (vars->line_speed == SPEED_100) ||
1307 (vars->line_speed == SPEED_10))) {
1308
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001309 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
1310 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001311 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001312 reg_val |=
1313 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001314 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001315 reg_val |=
1316 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001317 }
1318
1319 CL45_WR_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001320 params->phy_addr,
1321 MDIO_REG_BANK_SERDES_DIGITAL,
1322 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001323
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001324}
1325
1326static void bnx2x_set_brcm_cl37_advertisment(struct link_params *params)
1327{
1328 struct bnx2x *bp = params->bp;
1329 u16 val = 0;
1330
1331 /* configure the 48 bits for BAM AN */
1332
1333 /* set extended capabilities */
1334 if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
1335 val |= MDIO_OVER_1G_UP1_2_5G;
1336 if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
1337 val |= MDIO_OVER_1G_UP1_10G;
1338 CL45_WR_OVER_CL22(bp, params->port,
1339 params->phy_addr,
1340 MDIO_REG_BANK_OVER_1G,
1341 MDIO_OVER_1G_UP1, val);
1342
1343 CL45_WR_OVER_CL22(bp, params->port,
1344 params->phy_addr,
1345 MDIO_REG_BANK_OVER_1G,
Eilon Greenstein239d6862009-08-12 08:23:04 +00001346 MDIO_OVER_1G_UP3, 0x400);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001347}
1348
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001349static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u32 *ieee_fc)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001350{
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001351 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001352 /* resolve pause mode and advertisement
1353 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
1354
1355 switch (params->req_flow_ctrl) {
David S. Millerc0700f92008-12-16 23:53:20 -08001356 case BNX2X_FLOW_CTRL_AUTO:
1357 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001358 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001359 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
1360 } else {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001361 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001362 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1363 }
1364 break;
David S. Millerc0700f92008-12-16 23:53:20 -08001365 case BNX2X_FLOW_CTRL_TX:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001366 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001367 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1368 break;
1369
David S. Millerc0700f92008-12-16 23:53:20 -08001370 case BNX2X_FLOW_CTRL_RX:
1371 case BNX2X_FLOW_CTRL_BOTH:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001372 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001373 break;
1374
David S. Millerc0700f92008-12-16 23:53:20 -08001375 case BNX2X_FLOW_CTRL_NONE:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001376 default:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001377 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001378 break;
1379 }
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001380}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001381
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001382static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params,
1383 u32 ieee_fc)
1384{
1385 struct bnx2x *bp = params->bp;
1386 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001387
1388 CL45_WR_OVER_CL22(bp, params->port,
1389 params->phy_addr,
1390 MDIO_REG_BANK_COMBO_IEEE0,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001391 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, (u16)ieee_fc);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001392}
1393
Eilon Greenstein239d6862009-08-12 08:23:04 +00001394static void bnx2x_restart_autoneg(struct link_params *params, u8 enable_cl73)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001395{
1396 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001397 u16 mii_control;
Eilon Greenstein239d6862009-08-12 08:23:04 +00001398
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001399 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001400 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001401
Eilon Greenstein239d6862009-08-12 08:23:04 +00001402 if (enable_cl73) {
1403 CL45_RD_OVER_CL22(bp, params->port,
1404 params->phy_addr,
1405 MDIO_REG_BANK_CL73_IEEEB0,
1406 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1407 &mii_control);
1408
1409 CL45_WR_OVER_CL22(bp, params->port,
1410 params->phy_addr,
1411 MDIO_REG_BANK_CL73_IEEEB0,
1412 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1413 (mii_control |
1414 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
1415 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
1416 } else {
1417
1418 CL45_RD_OVER_CL22(bp, params->port,
1419 params->phy_addr,
1420 MDIO_REG_BANK_COMBO_IEEE0,
1421 MDIO_COMBO_IEEE0_MII_CONTROL,
1422 &mii_control);
1423 DP(NETIF_MSG_LINK,
1424 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
1425 mii_control);
1426 CL45_WR_OVER_CL22(bp, params->port,
1427 params->phy_addr,
1428 MDIO_REG_BANK_COMBO_IEEE0,
1429 MDIO_COMBO_IEEE0_MII_CONTROL,
1430 (mii_control |
1431 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1432 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
1433 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001434}
1435
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001436static void bnx2x_initialize_sgmii_process(struct link_params *params,
1437 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001438{
1439 struct bnx2x *bp = params->bp;
1440 u16 control1;
1441
1442 /* in SGMII mode, the unicore is always slave */
1443
1444 CL45_RD_OVER_CL22(bp, params->port,
1445 params->phy_addr,
1446 MDIO_REG_BANK_SERDES_DIGITAL,
1447 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1448 &control1);
1449 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
1450 /* set sgmii mode (and not fiber) */
1451 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
1452 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
1453 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
1454 CL45_WR_OVER_CL22(bp, params->port,
1455 params->phy_addr,
1456 MDIO_REG_BANK_SERDES_DIGITAL,
1457 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1458 control1);
1459
1460 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001461 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001462 /* set speed, disable autoneg */
1463 u16 mii_control;
1464
1465 CL45_RD_OVER_CL22(bp, params->port,
1466 params->phy_addr,
1467 MDIO_REG_BANK_COMBO_IEEE0,
1468 MDIO_COMBO_IEEE0_MII_CONTROL,
1469 &mii_control);
1470 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1471 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
1472 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
1473
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001474 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001475 case SPEED_100:
1476 mii_control |=
1477 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
1478 break;
1479 case SPEED_1000:
1480 mii_control |=
1481 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
1482 break;
1483 case SPEED_10:
1484 /* there is nothing to set for 10M */
1485 break;
1486 default:
1487 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001488 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1489 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001490 break;
1491 }
1492
1493 /* setting the full duplex */
1494 if (params->req_duplex == DUPLEX_FULL)
1495 mii_control |=
1496 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
1497 CL45_WR_OVER_CL22(bp, params->port,
1498 params->phy_addr,
1499 MDIO_REG_BANK_COMBO_IEEE0,
1500 MDIO_COMBO_IEEE0_MII_CONTROL,
1501 mii_control);
1502
1503 } else { /* AN mode */
1504 /* enable and restart AN */
Eilon Greenstein239d6862009-08-12 08:23:04 +00001505 bnx2x_restart_autoneg(params, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001506 }
1507}
1508
1509
1510/*
1511 * link management
1512 */
1513
1514static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001515{ /* LD LP */
1516 switch (pause_result) { /* ASYM P ASYM P */
1517 case 0xb: /* 1 0 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001518 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001519 break;
1520
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001521 case 0xe: /* 1 1 1 0 */
David S. Millerc0700f92008-12-16 23:53:20 -08001522 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001523 break;
1524
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001525 case 0x5: /* 0 1 0 1 */
1526 case 0x7: /* 0 1 1 1 */
1527 case 0xd: /* 1 1 0 1 */
1528 case 0xf: /* 1 1 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001529 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001530 break;
1531
1532 default:
1533 break;
1534 }
1535}
1536
1537static u8 bnx2x_ext_phy_resove_fc(struct link_params *params,
1538 struct link_vars *vars)
1539{
1540 struct bnx2x *bp = params->bp;
1541 u8 ext_phy_addr;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001542 u16 ld_pause; /* local */
1543 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001544 u16 an_complete; /* AN complete */
1545 u16 pause_result;
1546 u8 ret = 0;
1547 u32 ext_phy_type;
1548 u8 port = params->port;
1549 ext_phy_addr = ((params->ext_phy_config &
1550 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
1551 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
1552
1553 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
1554 /* read twice */
1555
1556 bnx2x_cl45_read(bp, port,
1557 ext_phy_type,
1558 ext_phy_addr,
1559 MDIO_AN_DEVAD,
1560 MDIO_AN_REG_STATUS, &an_complete);
1561 bnx2x_cl45_read(bp, port,
1562 ext_phy_type,
1563 ext_phy_addr,
1564 MDIO_AN_DEVAD,
1565 MDIO_AN_REG_STATUS, &an_complete);
1566
1567 if (an_complete & MDIO_AN_REG_STATUS_AN_COMPLETE) {
1568 ret = 1;
1569 bnx2x_cl45_read(bp, port,
1570 ext_phy_type,
1571 ext_phy_addr,
1572 MDIO_AN_DEVAD,
1573 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
1574 bnx2x_cl45_read(bp, port,
1575 ext_phy_type,
1576 ext_phy_addr,
1577 MDIO_AN_DEVAD,
1578 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
1579 pause_result = (ld_pause &
1580 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
1581 pause_result |= (lp_pause &
1582 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
1583 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n",
1584 pause_result);
1585 bnx2x_pause_resolve(vars, pause_result);
David S. Millerc0700f92008-12-16 23:53:20 -08001586 if (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE &&
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001587 ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
1588 bnx2x_cl45_read(bp, port,
1589 ext_phy_type,
1590 ext_phy_addr,
1591 MDIO_AN_DEVAD,
1592 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
1593
1594 bnx2x_cl45_read(bp, port,
1595 ext_phy_type,
1596 ext_phy_addr,
1597 MDIO_AN_DEVAD,
1598 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
1599 pause_result = (ld_pause &
1600 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
1601 pause_result |= (lp_pause &
1602 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
1603
1604 bnx2x_pause_resolve(vars, pause_result);
1605 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x \n",
1606 pause_result);
1607 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001608 }
1609 return ret;
1610}
1611
1612
1613static void bnx2x_flow_ctrl_resolve(struct link_params *params,
1614 struct link_vars *vars,
1615 u32 gp_status)
1616{
1617 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001618 u16 ld_pause; /* local driver */
1619 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001620 u16 pause_result;
1621
David S. Millerc0700f92008-12-16 23:53:20 -08001622 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001623
1624 /* resolve from gp_status in case of AN complete and not sgmii */
David S. Millerc0700f92008-12-16 23:53:20 -08001625 if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001626 (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
1627 (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
1628 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1629 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
1630 CL45_RD_OVER_CL22(bp, params->port,
1631 params->phy_addr,
1632 MDIO_REG_BANK_COMBO_IEEE0,
1633 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
1634 &ld_pause);
1635 CL45_RD_OVER_CL22(bp, params->port,
1636 params->phy_addr,
1637 MDIO_REG_BANK_COMBO_IEEE0,
1638 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
1639 &lp_pause);
1640 pause_result = (ld_pause &
1641 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
1642 pause_result |= (lp_pause &
1643 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
1644 DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result);
1645 bnx2x_pause_resolve(vars, pause_result);
David S. Millerc0700f92008-12-16 23:53:20 -08001646 } else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001647 (bnx2x_ext_phy_resove_fc(params, vars))) {
1648 return;
1649 } else {
David S. Millerc0700f92008-12-16 23:53:20 -08001650 if (params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001651 vars->flow_ctrl = params->req_fc_auto_adv;
1652 else
1653 vars->flow_ctrl = params->req_flow_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001654 }
1655 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
1656}
1657
Eilon Greenstein239d6862009-08-12 08:23:04 +00001658static void bnx2x_check_fallback_to_cl37(struct link_params *params)
1659{
1660 struct bnx2x *bp = params->bp;
1661 u16 rx_status, ustat_val, cl37_fsm_recieved;
1662 DP(NETIF_MSG_LINK, "bnx2x_check_fallback_to_cl37\n");
1663 /* Step 1: Make sure signal is detected */
1664 CL45_RD_OVER_CL22(bp, params->port,
1665 params->phy_addr,
1666 MDIO_REG_BANK_RX0,
1667 MDIO_RX0_RX_STATUS,
1668 &rx_status);
1669 if ((rx_status & MDIO_RX0_RX_STATUS_SIGDET) !=
1670 (MDIO_RX0_RX_STATUS_SIGDET)) {
1671 DP(NETIF_MSG_LINK, "Signal is not detected. Restoring CL73."
1672 "rx_status(0x80b0) = 0x%x\n", rx_status);
1673 CL45_WR_OVER_CL22(bp, params->port,
1674 params->phy_addr,
1675 MDIO_REG_BANK_CL73_IEEEB0,
1676 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1677 MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN);
1678 return;
1679 }
1680 /* Step 2: Check CL73 state machine */
1681 CL45_RD_OVER_CL22(bp, params->port,
1682 params->phy_addr,
1683 MDIO_REG_BANK_CL73_USERB0,
1684 MDIO_CL73_USERB0_CL73_USTAT1,
1685 &ustat_val);
1686 if ((ustat_val &
1687 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
1688 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) !=
1689 (MDIO_CL73_USERB0_CL73_USTAT1_LINK_STATUS_CHECK |
1690 MDIO_CL73_USERB0_CL73_USTAT1_AN_GOOD_CHECK_BAM37)) {
1691 DP(NETIF_MSG_LINK, "CL73 state-machine is not stable. "
1692 "ustat_val(0x8371) = 0x%x\n", ustat_val);
1693 return;
1694 }
1695 /* Step 3: Check CL37 Message Pages received to indicate LP
1696 supports only CL37 */
1697 CL45_RD_OVER_CL22(bp, params->port,
1698 params->phy_addr,
1699 MDIO_REG_BANK_REMOTE_PHY,
1700 MDIO_REMOTE_PHY_MISC_RX_STATUS,
1701 &cl37_fsm_recieved);
1702 if ((cl37_fsm_recieved &
1703 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
1704 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) !=
1705 (MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_OVER1G_MSG |
1706 MDIO_REMOTE_PHY_MISC_RX_STATUS_CL37_FSM_RECEIVED_BRCM_OUI_MSG)) {
1707 DP(NETIF_MSG_LINK, "No CL37 FSM were received. "
1708 "misc_rx_status(0x8330) = 0x%x\n",
1709 cl37_fsm_recieved);
1710 return;
1711 }
1712 /* The combined cl37/cl73 fsm state information indicating that we are
1713 connected to a device which does not support cl73, but does support
1714 cl37 BAM. In this case we disable cl73 and restart cl37 auto-neg */
1715 /* Disable CL73 */
1716 CL45_WR_OVER_CL22(bp, params->port,
1717 params->phy_addr,
1718 MDIO_REG_BANK_CL73_IEEEB0,
1719 MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
1720 0);
1721 /* Restart CL37 autoneg */
1722 bnx2x_restart_autoneg(params, 0);
1723 DP(NETIF_MSG_LINK, "Disabling CL73, and restarting CL37 autoneg\n");
1724}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001725static u8 bnx2x_link_settings_status(struct link_params *params,
Eilon Greenstein2f904462009-08-12 08:22:16 +00001726 struct link_vars *vars,
1727 u32 gp_status,
1728 u8 ext_phy_link_up)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001729{
1730 struct bnx2x *bp = params->bp;
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001731 u16 new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001732 u8 rc = 0;
1733 vars->link_status = 0;
1734
1735 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
1736 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
1737 gp_status);
1738
1739 vars->phy_link_up = 1;
1740 vars->link_status |= LINK_STATUS_LINK_UP;
1741
1742 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
1743 vars->duplex = DUPLEX_FULL;
1744 else
1745 vars->duplex = DUPLEX_HALF;
1746
1747 bnx2x_flow_ctrl_resolve(params, vars, gp_status);
1748
1749 switch (gp_status & GP_STATUS_SPEED_MASK) {
1750 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001751 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001752 if (vars->duplex == DUPLEX_FULL)
1753 vars->link_status |= LINK_10TFD;
1754 else
1755 vars->link_status |= LINK_10THD;
1756 break;
1757
1758 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001759 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001760 if (vars->duplex == DUPLEX_FULL)
1761 vars->link_status |= LINK_100TXFD;
1762 else
1763 vars->link_status |= LINK_100TXHD;
1764 break;
1765
1766 case GP_STATUS_1G:
1767 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001768 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001769 if (vars->duplex == DUPLEX_FULL)
1770 vars->link_status |= LINK_1000TFD;
1771 else
1772 vars->link_status |= LINK_1000THD;
1773 break;
1774
1775 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001776 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001777 if (vars->duplex == DUPLEX_FULL)
1778 vars->link_status |= LINK_2500TFD;
1779 else
1780 vars->link_status |= LINK_2500THD;
1781 break;
1782
1783 case GP_STATUS_5G:
1784 case GP_STATUS_6G:
1785 DP(NETIF_MSG_LINK,
1786 "link speed unsupported gp_status 0x%x\n",
1787 gp_status);
1788 return -EINVAL;
1789 break;
1790 case GP_STATUS_10G_KX4:
1791 case GP_STATUS_10G_HIG:
1792 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001793 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001794 vars->link_status |= LINK_10GTFD;
1795 break;
1796
1797 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001798 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001799 vars->link_status |= LINK_12GTFD;
1800 break;
1801
1802 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001803 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001804 vars->link_status |= LINK_12_5GTFD;
1805 break;
1806
1807 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001808 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001809 vars->link_status |= LINK_13GTFD;
1810 break;
1811
1812 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001813 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001814 vars->link_status |= LINK_15GTFD;
1815 break;
1816
1817 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001818 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001819 vars->link_status |= LINK_16GTFD;
1820 break;
1821
1822 default:
1823 DP(NETIF_MSG_LINK,
1824 "link speed unsupported gp_status 0x%x\n",
1825 gp_status);
1826 return -EINVAL;
1827 break;
1828 }
1829
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001830 /* Upon link speed change set the NIG into drain mode.
1831 Comes to deals with possible FIFO glitch due to clk change
1832 when speed is decreased without link down indicator */
1833 if (new_line_speed != vars->line_speed) {
Eilon Greenstein2f904462009-08-12 08:22:16 +00001834 if (XGXS_EXT_PHY_TYPE(params->ext_phy_config) !=
1835 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT &&
1836 ext_phy_link_up) {
1837 DP(NETIF_MSG_LINK, "Internal link speed %d is"
1838 " different than the external"
1839 " link speed %d\n", new_line_speed,
1840 vars->line_speed);
1841 vars->phy_link_up = 0;
1842 return 0;
1843 }
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001844 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
1845 + params->port*4, 0);
1846 msleep(1);
1847 }
1848 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001849 vars->link_status |= LINK_STATUS_SERDES_LINK;
1850
Yaniv Rosner57963ed2008-08-13 15:55:28 -07001851 if ((params->req_line_speed == SPEED_AUTO_NEG) &&
1852 ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1853 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
1854 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
Eilon Greenstein589abe32009-02-12 08:36:55 +00001855 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
1856 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
Eilon Greenstein2f904462009-08-12 08:22:16 +00001857 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001858 vars->autoneg = AUTO_NEG_ENABLED;
1859
1860 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
1861 vars->autoneg |= AUTO_NEG_COMPLETE;
1862 vars->link_status |=
1863 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
1864 }
1865
1866 vars->autoneg |= AUTO_NEG_PARALLEL_DETECTION_USED;
1867 vars->link_status |=
1868 LINK_STATUS_PARALLEL_DETECTION_USED;
1869
1870 }
David S. Millerc0700f92008-12-16 23:53:20 -08001871 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001872 vars->link_status |=
1873 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001874
David S. Millerc0700f92008-12-16 23:53:20 -08001875 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001876 vars->link_status |=
1877 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001878
1879 } else { /* link_down */
1880 DP(NETIF_MSG_LINK, "phy link down\n");
1881
1882 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07001883
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001884 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08001885 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001886 vars->autoneg = AUTO_NEG_DISABLED;
1887 vars->mac_type = MAC_TYPE_NONE;
Eilon Greenstein239d6862009-08-12 08:23:04 +00001888
1889 if ((params->req_line_speed == SPEED_AUTO_NEG) &&
1890 ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1891 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT))) {
1892 /* Check signal is detected */
1893 bnx2x_check_fallback_to_cl37(params);
1894 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001895 }
1896
1897 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x \n",
1898 gp_status, vars->phy_link_up, vars->line_speed);
1899 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x"
1900 " autoneg 0x%x\n",
1901 vars->duplex,
1902 vars->flow_ctrl, vars->autoneg);
1903 DP(NETIF_MSG_LINK, "link_status 0x%x\n", vars->link_status);
1904
1905 return rc;
1906}
1907
Eilon Greensteined8680a2009-02-12 08:37:12 +00001908static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001909{
1910 struct bnx2x *bp = params->bp;
1911 u16 lp_up2;
1912 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001913 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001914
1915 /* read precomp */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001916 CL45_RD_OVER_CL22(bp, params->port,
1917 params->phy_addr,
1918 MDIO_REG_BANK_OVER_1G,
1919 MDIO_OVER_1G_LP_UP2, &lp_up2);
1920
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001921 /* bits [10:7] at lp_up2, positioned at [15:12] */
1922 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
1923 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
1924 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
1925
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001926 if (lp_up2 == 0)
1927 return;
1928
1929 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
1930 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
1931 CL45_RD_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001932 params->phy_addr,
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001933 bank,
1934 MDIO_TX0_TX_DRIVER, &tx_driver);
1935
1936 /* replace tx_driver bits [15:12] */
1937 if (lp_up2 !=
1938 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
1939 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
1940 tx_driver |= lp_up2;
1941 CL45_WR_OVER_CL22(bp, params->port,
1942 params->phy_addr,
1943 bank,
1944 MDIO_TX0_TX_DRIVER, tx_driver);
1945 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001946 }
1947}
1948
1949static u8 bnx2x_emac_program(struct link_params *params,
1950 u32 line_speed, u32 duplex)
1951{
1952 struct bnx2x *bp = params->bp;
1953 u8 port = params->port;
1954 u16 mode = 0;
1955
1956 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
1957 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
1958 EMAC_REG_EMAC_MODE,
1959 (EMAC_MODE_25G_MODE |
1960 EMAC_MODE_PORT_MII_10M |
1961 EMAC_MODE_HALF_DUPLEX));
1962 switch (line_speed) {
1963 case SPEED_10:
1964 mode |= EMAC_MODE_PORT_MII_10M;
1965 break;
1966
1967 case SPEED_100:
1968 mode |= EMAC_MODE_PORT_MII;
1969 break;
1970
1971 case SPEED_1000:
1972 mode |= EMAC_MODE_PORT_GMII;
1973 break;
1974
1975 case SPEED_2500:
1976 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
1977 break;
1978
1979 default:
1980 /* 10G not valid for EMAC */
1981 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", line_speed);
1982 return -EINVAL;
1983 }
1984
1985 if (duplex == DUPLEX_HALF)
1986 mode |= EMAC_MODE_HALF_DUPLEX;
1987 bnx2x_bits_en(bp,
1988 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
1989 mode);
1990
1991 bnx2x_set_led(bp, params->port, LED_MODE_OPER,
1992 line_speed, params->hw_led_mode, params->chip_id);
1993 return 0;
1994}
1995
1996/*****************************************************************************/
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001997/* External Phy section */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001998/*****************************************************************************/
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001999static void bnx2x_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002000{
2001 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002002 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002003 msleep(1);
2004 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002005 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002006}
2007
2008static void bnx2x_ext_phy_reset(struct link_params *params,
2009 struct link_vars *vars)
2010{
2011 struct bnx2x *bp = params->bp;
2012 u32 ext_phy_type;
2013 u8 ext_phy_addr = ((params->ext_phy_config &
2014 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2015 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2016 DP(NETIF_MSG_LINK, "Port %x: bnx2x_ext_phy_reset\n", params->port);
2017 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2018 /* The PHY reset is controled by GPIO 1
2019 * Give it 1ms of reset pulse
2020 */
2021 if (vars->phy_flags & PHY_XGXS_FLAG) {
2022
2023 switch (ext_phy_type) {
2024 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
2025 DP(NETIF_MSG_LINK, "XGXS Direct\n");
2026 break;
2027
2028 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
2029 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
2030 DP(NETIF_MSG_LINK, "XGXS 8705/8706\n");
2031
2032 /* Restore normal power mode*/
2033 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002034 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2035 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002036
2037 /* HW reset */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002038 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002039
2040 bnx2x_cl45_write(bp, params->port,
2041 ext_phy_type,
2042 ext_phy_addr,
2043 MDIO_PMA_DEVAD,
2044 MDIO_PMA_REG_CTRL, 0xa040);
2045 break;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002046
2047 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
2048 break;
2049
Eilon Greenstein589abe32009-02-12 08:36:55 +00002050 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
2051
2052 /* Restore normal power mode*/
2053 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2054 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2055 params->port);
2056
2057 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
2058 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2059 params->port);
2060
2061 bnx2x_cl45_write(bp, params->port,
2062 ext_phy_type,
2063 ext_phy_addr,
2064 MDIO_PMA_DEVAD,
2065 MDIO_PMA_REG_CTRL,
2066 1<<15);
2067
2068 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002069 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
2070 /* Unset Low Power Mode and SW reset */
2071 /* Restore normal power mode*/
2072 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002073 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2074 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002075
2076 DP(NETIF_MSG_LINK, "XGXS 8072\n");
2077 bnx2x_cl45_write(bp, params->port,
2078 ext_phy_type,
2079 ext_phy_addr,
2080 MDIO_PMA_DEVAD,
2081 MDIO_PMA_REG_CTRL,
2082 1<<15);
2083 break;
2084 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
2085 {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002086
2087 /* Restore normal power mode*/
2088 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002089 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2090 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002091
2092 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002093 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2094 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002095
2096 DP(NETIF_MSG_LINK, "XGXS 8073\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002097 }
2098 break;
2099
2100 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
2101 DP(NETIF_MSG_LINK, "XGXS SFX7101\n");
2102
2103 /* Restore normal power mode*/
2104 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002105 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2106 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002107
2108 /* HW reset */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002109 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002110
2111 break;
2112
Eilon Greenstein28577182009-02-12 08:37:00 +00002113 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
2114
2115 /* Restore normal power mode*/
2116 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
2117 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
2118 params->port);
2119
2120 /* HW reset */
2121 bnx2x_hw_reset(bp, params->port);
2122
2123 bnx2x_cl45_write(bp, params->port,
2124 ext_phy_type,
2125 ext_phy_addr,
2126 MDIO_PMA_DEVAD,
2127 MDIO_PMA_REG_CTRL,
2128 1<<15);
2129 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002130 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
2131 DP(NETIF_MSG_LINK, "XGXS PHY Failure detected\n");
2132 break;
2133
2134 default:
2135 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
2136 params->ext_phy_config);
2137 break;
2138 }
2139
2140 } else { /* SerDes */
2141 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
2142 switch (ext_phy_type) {
2143 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
2144 DP(NETIF_MSG_LINK, "SerDes Direct\n");
2145 break;
2146
2147 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
2148 DP(NETIF_MSG_LINK, "SerDes 5482\n");
Eilon Greenstein17de50b2008-08-13 15:56:59 -07002149 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002150 break;
2151
2152 default:
2153 DP(NETIF_MSG_LINK,
2154 "BAD SerDes ext_phy_config 0x%x\n",
2155 params->ext_phy_config);
2156 break;
2157 }
2158 }
2159}
2160
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002161
2162static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
2163 u32 shmem_base, u32 spirom_ver)
2164{
2165 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x\n",
2166 (u16)(spirom_ver>>16), (u16)spirom_ver);
2167 REG_WR(bp, shmem_base +
2168 offsetof(struct shmem_region,
2169 port_mb[port].ext_phy_fw_version),
2170 spirom_ver);
2171}
2172
2173static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, u8 port,
2174 u32 ext_phy_type, u8 ext_phy_addr,
2175 u32 shmem_base)
2176{
2177 u16 fw_ver1, fw_ver2;
2178 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
2179 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
2180 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
2181 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
2182 bnx2x_save_spirom_version(bp, port, shmem_base,
2183 (u32)(fw_ver1<<16 | fw_ver2));
2184}
2185
Eilon Greensteinb1607af2009-08-12 08:22:54 +00002186
2187static void bnx2x_save_8481_spirom_version(struct bnx2x *bp, u8 port,
2188 u8 ext_phy_addr, u32 shmem_base)
2189{
2190 u16 val, fw_ver1, fw_ver2, cnt;
2191 /* For the 32 bits registers in 8481, access via MDIO2ARM interface.*/
2192 /* (1) set register 0xc200_0014(SPI_BRIDGE_CTRL_2) to 0x03000000 */
2193 bnx2x_cl45_write(bp, port,
2194 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2195 ext_phy_addr, MDIO_PMA_DEVAD,
2196 0xA819, 0x0014);
2197 bnx2x_cl45_write(bp, port,
2198 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2199 ext_phy_addr,
2200 MDIO_PMA_DEVAD,
2201 0xA81A,
2202 0xc200);
2203 bnx2x_cl45_write(bp, port,
2204 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2205 ext_phy_addr,
2206 MDIO_PMA_DEVAD,
2207 0xA81B,
2208 0x0000);
2209 bnx2x_cl45_write(bp, port,
2210 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2211 ext_phy_addr,
2212 MDIO_PMA_DEVAD,
2213 0xA81C,
2214 0x0300);
2215 bnx2x_cl45_write(bp, port,
2216 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2217 ext_phy_addr,
2218 MDIO_PMA_DEVAD,
2219 0xA817,
2220 0x0009);
2221
2222 for (cnt = 0; cnt < 100; cnt++) {
2223 bnx2x_cl45_read(bp, port,
2224 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2225 ext_phy_addr,
2226 MDIO_PMA_DEVAD,
2227 0xA818,
2228 &val);
2229 if (val & 1)
2230 break;
2231 udelay(5);
2232 }
2233 if (cnt == 100) {
2234 DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(1)\n");
2235 bnx2x_save_spirom_version(bp, port,
2236 shmem_base, 0);
2237 return;
2238 }
2239
2240
2241 /* 2) read register 0xc200_0000 (SPI_FW_STATUS) */
2242 bnx2x_cl45_write(bp, port,
2243 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2244 ext_phy_addr, MDIO_PMA_DEVAD,
2245 0xA819, 0x0000);
2246 bnx2x_cl45_write(bp, port,
2247 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2248 ext_phy_addr, MDIO_PMA_DEVAD,
2249 0xA81A, 0xc200);
2250 bnx2x_cl45_write(bp, port,
2251 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2252 ext_phy_addr, MDIO_PMA_DEVAD,
2253 0xA817, 0x000A);
2254 for (cnt = 0; cnt < 100; cnt++) {
2255 bnx2x_cl45_read(bp, port,
2256 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2257 ext_phy_addr,
2258 MDIO_PMA_DEVAD,
2259 0xA818,
2260 &val);
2261 if (val & 1)
2262 break;
2263 udelay(5);
2264 }
2265 if (cnt == 100) {
2266 DP(NETIF_MSG_LINK, "Unable to read 8481 phy fw version(2)\n");
2267 bnx2x_save_spirom_version(bp, port,
2268 shmem_base, 0);
2269 return;
2270 }
2271
2272 /* lower 16 bits of the register SPI_FW_STATUS */
2273 bnx2x_cl45_read(bp, port,
2274 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2275 ext_phy_addr,
2276 MDIO_PMA_DEVAD,
2277 0xA81B,
2278 &fw_ver1);
2279 /* upper 16 bits of register SPI_FW_STATUS */
2280 bnx2x_cl45_read(bp, port,
2281 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481,
2282 ext_phy_addr,
2283 MDIO_PMA_DEVAD,
2284 0xA81C,
2285 &fw_ver2);
2286
2287 bnx2x_save_spirom_version(bp, port,
2288 shmem_base, (fw_ver2<<16) | fw_ver1);
2289}
2290
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002291static void bnx2x_bcm8072_external_rom_boot(struct link_params *params)
2292{
2293 struct bnx2x *bp = params->bp;
2294 u8 port = params->port;
2295 u8 ext_phy_addr = ((params->ext_phy_config &
2296 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2297 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2298 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002299
2300 /* Need to wait 200ms after reset */
2301 msleep(200);
2302 /* Boot port from external ROM
2303 * Set ser_boot_ctl bit in the MISC_CTRL1 register
2304 */
2305 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2306 MDIO_PMA_DEVAD,
2307 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2308
2309 /* Reset internal microprocessor */
2310 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2311 MDIO_PMA_DEVAD,
2312 MDIO_PMA_REG_GEN_CTRL,
2313 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2314 /* set micro reset = 0 */
2315 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2316 MDIO_PMA_DEVAD,
2317 MDIO_PMA_REG_GEN_CTRL,
2318 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2319 /* Reset internal microprocessor */
2320 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2321 MDIO_PMA_DEVAD,
2322 MDIO_PMA_REG_GEN_CTRL,
2323 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2324 /* wait for 100ms for code download via SPI port */
2325 msleep(100);
2326
2327 /* Clear ser_boot_ctl bit */
2328 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2329 MDIO_PMA_DEVAD,
2330 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2331 /* Wait 100ms */
2332 msleep(100);
2333
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002334 bnx2x_save_bcm_spirom_ver(bp, port,
2335 ext_phy_type,
2336 ext_phy_addr,
2337 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002338}
2339
2340static u8 bnx2x_8073_is_snr_needed(struct link_params *params)
2341{
2342 /* This is only required for 8073A1, version 102 only */
2343
2344 struct bnx2x *bp = params->bp;
2345 u8 ext_phy_addr = ((params->ext_phy_config &
2346 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2347 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2348 u16 val;
2349
2350 /* Read 8073 HW revision*/
2351 bnx2x_cl45_read(bp, params->port,
2352 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2353 ext_phy_addr,
2354 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002355 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002356
2357 if (val != 1) {
2358 /* No need to workaround in 8073 A1 */
2359 return 0;
2360 }
2361
2362 bnx2x_cl45_read(bp, params->port,
2363 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2364 ext_phy_addr,
2365 MDIO_PMA_DEVAD,
2366 MDIO_PMA_REG_ROM_VER2, &val);
2367
2368 /* SNR should be applied only for version 0x102 */
2369 if (val != 0x102)
2370 return 0;
2371
2372 return 1;
2373}
2374
2375static u8 bnx2x_bcm8073_xaui_wa(struct link_params *params)
2376{
2377 struct bnx2x *bp = params->bp;
2378 u8 ext_phy_addr = ((params->ext_phy_config &
2379 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2380 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2381 u16 val, cnt, cnt1 ;
2382
2383 bnx2x_cl45_read(bp, params->port,
2384 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2385 ext_phy_addr,
2386 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002387 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002388
2389 if (val > 0) {
2390 /* No need to workaround in 8073 A1 */
2391 return 0;
2392 }
2393 /* XAUI workaround in 8073 A0: */
2394
2395 /* After loading the boot ROM and restarting Autoneg,
2396 poll Dev1, Reg $C820: */
2397
2398 for (cnt = 0; cnt < 1000; cnt++) {
2399 bnx2x_cl45_read(bp, params->port,
2400 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2401 ext_phy_addr,
2402 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002403 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
2404 &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002405 /* If bit [14] = 0 or bit [13] = 0, continue on with
2406 system initialization (XAUI work-around not required,
2407 as these bits indicate 2.5G or 1G link up). */
2408 if (!(val & (1<<14)) || !(val & (1<<13))) {
2409 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
2410 return 0;
2411 } else if (!(val & (1<<15))) {
2412 DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
2413 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
2414 it's MSB (bit 15) goes to 1 (indicating that the
2415 XAUI workaround has completed),
2416 then continue on with system initialization.*/
2417 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
2418 bnx2x_cl45_read(bp, params->port,
2419 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2420 ext_phy_addr,
2421 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002422 MDIO_PMA_REG_8073_XAUI_WA, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002423 if (val & (1<<15)) {
2424 DP(NETIF_MSG_LINK,
2425 "XAUI workaround has completed\n");
2426 return 0;
2427 }
2428 msleep(3);
2429 }
2430 break;
2431 }
2432 msleep(3);
2433 }
2434 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
2435 return -EINVAL;
2436
2437}
2438
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002439static void bnx2x_bcm8073_bcm8727_external_rom_boot(struct bnx2x *bp, u8 port,
2440 u8 ext_phy_addr,
2441 u32 ext_phy_type,
2442 u32 shmem_base)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002443{
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002444 /* Boot port from external ROM */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002445 /* EDC grst */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002446 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002447 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002448 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002449 MDIO_PMA_DEVAD,
2450 MDIO_PMA_REG_GEN_CTRL,
2451 0x0001);
2452
2453 /* ucode reboot and rst */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002454 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002455 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002456 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002457 MDIO_PMA_DEVAD,
2458 MDIO_PMA_REG_GEN_CTRL,
2459 0x008c);
2460
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002461 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002462 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002463 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002464 MDIO_PMA_DEVAD,
2465 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2466
2467 /* Reset internal microprocessor */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002468 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002469 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002470 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002471 MDIO_PMA_DEVAD,
2472 MDIO_PMA_REG_GEN_CTRL,
2473 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2474
2475 /* Release srst bit */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002476 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002477 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002478 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002479 MDIO_PMA_DEVAD,
2480 MDIO_PMA_REG_GEN_CTRL,
2481 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2482
2483 /* wait for 100ms for code download via SPI port */
2484 msleep(100);
2485
2486 /* Clear ser_boot_ctl bit */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002487 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002488 ext_phy_type,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002489 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002490 MDIO_PMA_DEVAD,
2491 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2492
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002493 bnx2x_save_bcm_spirom_ver(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002494 ext_phy_type,
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002495 ext_phy_addr,
2496 shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002497}
2498
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002499static void bnx2x_bcm8073_external_rom_boot(struct bnx2x *bp, u8 port,
2500 u8 ext_phy_addr,
2501 u32 shmem_base)
2502{
2503 bnx2x_bcm8073_bcm8727_external_rom_boot(bp, port, ext_phy_addr,
2504 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2505 shmem_base);
2506}
2507
2508static void bnx2x_bcm8727_external_rom_boot(struct bnx2x *bp, u8 port,
2509 u8 ext_phy_addr,
2510 u32 shmem_base)
2511{
2512 bnx2x_bcm8073_bcm8727_external_rom_boot(bp, port, ext_phy_addr,
2513 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
2514 shmem_base);
2515
2516}
2517
Eilon Greenstein589abe32009-02-12 08:36:55 +00002518static void bnx2x_bcm8726_external_rom_boot(struct link_params *params)
2519{
2520 struct bnx2x *bp = params->bp;
2521 u8 port = params->port;
2522 u8 ext_phy_addr = ((params->ext_phy_config &
2523 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2524 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2525 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2526
2527 /* Need to wait 100ms after reset */
2528 msleep(100);
2529
2530 /* Set serial boot control for external load */
2531 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2532 MDIO_PMA_DEVAD,
2533 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2534
2535 /* Micro controller re-boot */
2536 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2537 MDIO_PMA_DEVAD,
2538 MDIO_PMA_REG_GEN_CTRL,
2539 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2540
2541 /* Set soft reset */
2542 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2543 MDIO_PMA_DEVAD,
2544 MDIO_PMA_REG_GEN_CTRL,
2545 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2546
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002547 /* Set PLL register value to be same like in P13 ver */
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002548 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2549 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002550 MDIO_PMA_REG_PLL_CTRL,
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002551 0x73A0);
2552
Eilon Greenstein589abe32009-02-12 08:36:55 +00002553 /* Clear soft reset.
2554 Will automatically reset micro-controller re-boot */
2555 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2556 MDIO_PMA_DEVAD,
2557 MDIO_PMA_REG_GEN_CTRL,
2558 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2559
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002560 /* wait for 150ms for microcode load */
2561 msleep(150);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002562
2563 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
2564 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2565 MDIO_PMA_DEVAD,
2566 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2567
2568 msleep(200);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002569 bnx2x_save_bcm_spirom_ver(bp, port,
2570 ext_phy_type,
2571 ext_phy_addr,
2572 params->shmem_base);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002573}
2574
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002575static void bnx2x_sfp_set_transmitter(struct bnx2x *bp, u8 port,
2576 u32 ext_phy_type, u8 ext_phy_addr,
2577 u8 tx_en)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002578{
2579 u16 val;
2580 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
2581 tx_en, port);
2582 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
2583 bnx2x_cl45_read(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002584 ext_phy_type,
Eilon Greenstein589abe32009-02-12 08:36:55 +00002585 ext_phy_addr,
2586 MDIO_PMA_DEVAD,
2587 MDIO_PMA_REG_PHY_IDENTIFIER,
2588 &val);
2589
2590 if (tx_en)
2591 val &= ~(1<<15);
2592 else
2593 val |= (1<<15);
2594
2595 bnx2x_cl45_write(bp, port,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002596 ext_phy_type,
Eilon Greenstein589abe32009-02-12 08:36:55 +00002597 ext_phy_addr,
2598 MDIO_PMA_DEVAD,
2599 MDIO_PMA_REG_PHY_IDENTIFIER,
2600 val);
2601}
2602
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002603static u8 bnx2x_8726_read_sfp_module_eeprom(struct link_params *params,
2604 u16 addr, u8 byte_cnt, u8 *o_buf)
2605{
Eilon Greenstein589abe32009-02-12 08:36:55 +00002606 struct bnx2x *bp = params->bp;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002607 u16 val = 0;
2608 u16 i;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002609 u8 port = params->port;
2610 u8 ext_phy_addr = ((params->ext_phy_config &
2611 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2612 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2613 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2614 if (byte_cnt > 16) {
2615 DP(NETIF_MSG_LINK, "Reading from eeprom is"
2616 " is limited to 0xf\n");
2617 return -EINVAL;
2618 }
2619 /* Set the read command byte count */
2620 bnx2x_cl45_write(bp, port,
2621 ext_phy_type,
2622 ext_phy_addr,
2623 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002624 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
Eilon Greenstein589abe32009-02-12 08:36:55 +00002625 (byte_cnt | 0xa000));
2626
2627 /* Set the read command address */
2628 bnx2x_cl45_write(bp, port,
2629 ext_phy_type,
2630 ext_phy_addr,
2631 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002632 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
Eilon Greenstein589abe32009-02-12 08:36:55 +00002633 addr);
2634
2635 /* Activate read command */
2636 bnx2x_cl45_write(bp, port,
2637 ext_phy_type,
2638 ext_phy_addr,
2639 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002640 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
Eilon Greenstein589abe32009-02-12 08:36:55 +00002641 0x2c0f);
2642
2643 /* Wait up to 500us for command complete status */
2644 for (i = 0; i < 100; i++) {
2645 bnx2x_cl45_read(bp, port,
2646 ext_phy_type,
2647 ext_phy_addr,
2648 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002649 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
2650 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
2651 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002652 break;
2653 udelay(5);
2654 }
2655
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002656 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
2657 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00002658 DP(NETIF_MSG_LINK,
2659 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002660 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
Eilon Greenstein589abe32009-02-12 08:36:55 +00002661 return -EINVAL;
2662 }
2663
2664 /* Read the buffer */
2665 for (i = 0; i < byte_cnt; i++) {
2666 bnx2x_cl45_read(bp, port,
2667 ext_phy_type,
2668 ext_phy_addr,
2669 MDIO_PMA_DEVAD,
2670 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
2671 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
2672 }
2673
2674 for (i = 0; i < 100; i++) {
2675 bnx2x_cl45_read(bp, port,
2676 ext_phy_type,
2677 ext_phy_addr,
2678 MDIO_PMA_DEVAD,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002679 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
2680 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
2681 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002682 return 0;;
2683 msleep(1);
2684 }
2685 return -EINVAL;
2686}
2687
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002688static u8 bnx2x_8727_read_sfp_module_eeprom(struct link_params *params,
2689 u16 addr, u8 byte_cnt, u8 *o_buf)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002690{
2691 struct bnx2x *bp = params->bp;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002692 u16 val, i;
2693 u8 port = params->port;
2694 u8 ext_phy_addr = ((params->ext_phy_config &
2695 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2696 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2697 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2698
2699 if (byte_cnt > 16) {
2700 DP(NETIF_MSG_LINK, "Reading from eeprom is"
2701 " is limited to 0xf\n");
2702 return -EINVAL;
2703 }
2704
2705 /* Need to read from 1.8000 to clear it */
2706 bnx2x_cl45_read(bp, port,
2707 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
2708 ext_phy_addr,
2709 MDIO_PMA_DEVAD,
2710 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
2711 &val);
2712
2713 /* Set the read command byte count */
2714 bnx2x_cl45_write(bp, port,
2715 ext_phy_type,
2716 ext_phy_addr,
2717 MDIO_PMA_DEVAD,
2718 MDIO_PMA_REG_SFP_TWO_WIRE_BYTE_CNT,
2719 ((byte_cnt < 2) ? 2 : byte_cnt));
2720
2721 /* Set the read command address */
2722 bnx2x_cl45_write(bp, port,
2723 ext_phy_type,
2724 ext_phy_addr,
2725 MDIO_PMA_DEVAD,
2726 MDIO_PMA_REG_SFP_TWO_WIRE_MEM_ADDR,
2727 addr);
2728 /* Set the destination address */
2729 bnx2x_cl45_write(bp, port,
2730 ext_phy_type,
2731 ext_phy_addr,
2732 MDIO_PMA_DEVAD,
2733 0x8004,
2734 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF);
2735
2736 /* Activate read command */
2737 bnx2x_cl45_write(bp, port,
2738 ext_phy_type,
2739 ext_phy_addr,
2740 MDIO_PMA_DEVAD,
2741 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL,
2742 0x8002);
2743 /* Wait appropriate time for two-wire command to finish before
2744 polling the status register */
2745 msleep(1);
2746
2747 /* Wait up to 500us for command complete status */
2748 for (i = 0; i < 100; i++) {
2749 bnx2x_cl45_read(bp, port,
2750 ext_phy_type,
2751 ext_phy_addr,
2752 MDIO_PMA_DEVAD,
2753 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
2754 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
2755 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE)
2756 break;
2757 udelay(5);
2758 }
2759
2760 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) !=
2761 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_COMPLETE) {
2762 DP(NETIF_MSG_LINK,
2763 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
2764 (val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK));
2765 return -EINVAL;
2766 }
2767
2768 /* Read the buffer */
2769 for (i = 0; i < byte_cnt; i++) {
2770 bnx2x_cl45_read(bp, port,
2771 ext_phy_type,
2772 ext_phy_addr,
2773 MDIO_PMA_DEVAD,
2774 MDIO_PMA_REG_8727_TWO_WIRE_DATA_BUF + i, &val);
2775 o_buf[i] = (u8)(val & MDIO_PMA_REG_8727_TWO_WIRE_DATA_MASK);
2776 }
2777
2778 for (i = 0; i < 100; i++) {
2779 bnx2x_cl45_read(bp, port,
2780 ext_phy_type,
2781 ext_phy_addr,
2782 MDIO_PMA_DEVAD,
2783 MDIO_PMA_REG_SFP_TWO_WIRE_CTRL, &val);
2784 if ((val & MDIO_PMA_REG_SFP_TWO_WIRE_CTRL_STATUS_MASK) ==
2785 MDIO_PMA_REG_SFP_TWO_WIRE_STATUS_IDLE)
2786 return 0;;
2787 msleep(1);
2788 }
2789
2790 return -EINVAL;
2791}
2792
2793u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr,
2794 u8 byte_cnt, u8 *o_buf)
2795{
2796 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2797
2798 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
2799 return bnx2x_8726_read_sfp_module_eeprom(params, addr,
2800 byte_cnt, o_buf);
2801 else if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
2802 return bnx2x_8727_read_sfp_module_eeprom(params, addr,
2803 byte_cnt, o_buf);
2804 return -EINVAL;
2805}
2806
2807static u8 bnx2x_get_edc_mode(struct link_params *params,
2808 u16 *edc_mode)
2809{
2810 struct bnx2x *bp = params->bp;
2811 u8 val, check_limiting_mode = 0;
2812 *edc_mode = EDC_MODE_LIMITING;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002813
2814 /* First check for copper cable */
2815 if (bnx2x_read_sfp_module_eeprom(params,
2816 SFP_EEPROM_CON_TYPE_ADDR,
2817 1,
2818 &val) != 0) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002819 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM\n");
Eilon Greenstein589abe32009-02-12 08:36:55 +00002820 return -EINVAL;
2821 }
2822
2823 switch (val) {
2824 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
2825 {
2826 u8 copper_module_type;
2827 /* Check if its active cable( includes SFP+ module)
2828 of passive cable*/
2829 if (bnx2x_read_sfp_module_eeprom(params,
2830 SFP_EEPROM_FC_TX_TECH_ADDR,
2831 1,
2832 &copper_module_type) !=
2833 0) {
2834 DP(NETIF_MSG_LINK,
2835 "Failed to read copper-cable-type"
2836 " from SFP+ EEPROM\n");
2837 return -EINVAL;
2838 }
2839
2840 if (copper_module_type &
2841 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
2842 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002843 check_limiting_mode = 1;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002844 } else if (copper_module_type &
2845 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
2846 DP(NETIF_MSG_LINK, "Passive Copper"
2847 " cable detected\n");
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002848 *edc_mode =
2849 EDC_MODE_PASSIVE_DAC;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002850 } else {
2851 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
2852 "type 0x%x !!!\n", copper_module_type);
2853 return -EINVAL;
2854 }
2855 break;
2856 }
2857 case SFP_EEPROM_CON_TYPE_VAL_LC:
2858 DP(NETIF_MSG_LINK, "Optic module detected\n");
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002859 check_limiting_mode = 1;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002860 break;
2861
2862 default:
2863 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
2864 val);
2865 return -EINVAL;
2866 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002867
2868 if (check_limiting_mode) {
2869 u8 options[SFP_EEPROM_OPTIONS_SIZE];
2870 if (bnx2x_read_sfp_module_eeprom(params,
2871 SFP_EEPROM_OPTIONS_ADDR,
2872 SFP_EEPROM_OPTIONS_SIZE,
2873 options) != 0) {
2874 DP(NETIF_MSG_LINK, "Failed to read Option"
2875 " field from module EEPROM\n");
2876 return -EINVAL;
2877 }
2878 if ((options[0] & SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK))
2879 *edc_mode = EDC_MODE_LINEAR;
2880 else
2881 *edc_mode = EDC_MODE_LIMITING;
2882 }
2883 DP(NETIF_MSG_LINK, "EDC mode is set to 0x%x\n", *edc_mode);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002884 return 0;
2885}
2886
Eilon Greenstein589abe32009-02-12 08:36:55 +00002887/* This function read the relevant field from the module ( SFP+ ),
2888 and verify it is compliant with this board */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002889static u8 bnx2x_verify_sfp_module(struct link_params *params)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002890{
2891 struct bnx2x *bp = params->bp;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002892 u32 val;
2893 u32 fw_resp;
2894 char vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE+1];
2895 char vendor_pn[SFP_EEPROM_PART_NO_SIZE+1];
Eilon Greenstein589abe32009-02-12 08:36:55 +00002896
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002897 val = REG_RD(bp, params->shmem_base +
2898 offsetof(struct shmem_region, dev_info.
2899 port_feature_config[params->port].config));
2900 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
2901 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_NO_ENFORCEMENT) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00002902 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
2903 return 0;
2904 }
2905
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002906 /* Ask the FW to validate the module */
2907 if (!(params->feature_config_flags &
2908 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY)) {
2909 DP(NETIF_MSG_LINK, "FW does not support OPT MDL "
2910 "verification\n");
2911 return -EINVAL;
2912 }
2913
2914 fw_resp = bnx2x_fw_command(bp, DRV_MSG_CODE_VRFY_OPT_MDL);
2915 if (fw_resp == FW_MSG_CODE_VRFY_OPT_MDL_SUCCESS) {
2916 DP(NETIF_MSG_LINK, "Approved module\n");
Eilon Greenstein589abe32009-02-12 08:36:55 +00002917 return 0;
2918 }
2919
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002920 /* format the warning message */
Eilon Greenstein589abe32009-02-12 08:36:55 +00002921 if (bnx2x_read_sfp_module_eeprom(params,
2922 SFP_EEPROM_VENDOR_NAME_ADDR,
2923 SFP_EEPROM_VENDOR_NAME_SIZE,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002924 (u8 *)vendor_name))
2925 vendor_name[0] = '\0';
2926 else
2927 vendor_name[SFP_EEPROM_VENDOR_NAME_SIZE] = '\0';
2928 if (bnx2x_read_sfp_module_eeprom(params,
2929 SFP_EEPROM_PART_NO_ADDR,
2930 SFP_EEPROM_PART_NO_SIZE,
2931 (u8 *)vendor_pn))
2932 vendor_pn[0] = '\0';
2933 else
2934 vendor_pn[SFP_EEPROM_PART_NO_SIZE] = '\0';
Eilon Greenstein589abe32009-02-12 08:36:55 +00002935
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002936 printk(KERN_INFO PFX "Warning: "
2937 "Unqualified SFP+ module "
2938 "detected on %s, Port %d from %s part number %s\n"
2939 , bp->dev->name, params->port,
2940 vendor_name, vendor_pn);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002941 return -EINVAL;
2942}
2943
Eilon Greenstein589abe32009-02-12 08:36:55 +00002944static u8 bnx2x_bcm8726_set_limiting_mode(struct link_params *params,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002945 u16 edc_mode)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002946{
2947 struct bnx2x *bp = params->bp;
2948 u8 port = params->port;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002949 u8 ext_phy_addr = ((params->ext_phy_config &
2950 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2951 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002952 u16 cur_limiting_mode;
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002953
2954 bnx2x_cl45_read(bp, port,
2955 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2956 ext_phy_addr,
2957 MDIO_PMA_DEVAD,
2958 MDIO_PMA_REG_ROM_VER2,
2959 &cur_limiting_mode);
2960 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
2961 cur_limiting_mode);
2962
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002963 if (edc_mode == EDC_MODE_LIMITING) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00002964 DP(NETIF_MSG_LINK,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002965 "Setting LIMITING MODE\n");
Eilon Greenstein589abe32009-02-12 08:36:55 +00002966 bnx2x_cl45_write(bp, port,
2967 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2968 ext_phy_addr,
2969 MDIO_PMA_DEVAD,
2970 MDIO_PMA_REG_ROM_VER2,
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002971 EDC_MODE_LIMITING);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002972 } else { /* LRM mode ( default )*/
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002973
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002974 DP(NETIF_MSG_LINK, "Setting LRM MODE\n");
Eilon Greenstein589abe32009-02-12 08:36:55 +00002975
Eilon Greenstein589abe32009-02-12 08:36:55 +00002976 /* Changing to LRM mode takes quite few seconds.
2977 So do it only if current mode is limiting
2978 ( default is LRM )*/
Eilon Greenstein4d295db2009-07-21 05:47:47 +00002979 if (cur_limiting_mode != EDC_MODE_LIMITING)
Eilon Greenstein589abe32009-02-12 08:36:55 +00002980 return 0;
2981
2982 bnx2x_cl45_write(bp, port,
2983 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2984 ext_phy_addr,
2985 MDIO_PMA_DEVAD,
2986 MDIO_PMA_REG_LRM_MODE,
2987 0);
2988 bnx2x_cl45_write(bp, port,
2989 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2990 ext_phy_addr,
2991 MDIO_PMA_DEVAD,
2992 MDIO_PMA_REG_ROM_VER2,
2993 0x128);
2994 bnx2x_cl45_write(bp, port,
2995 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2996 ext_phy_addr,
2997 MDIO_PMA_DEVAD,
2998 MDIO_PMA_REG_MISC_CTRL0,
2999 0x4008);
3000 bnx2x_cl45_write(bp, port,
3001 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
3002 ext_phy_addr,
3003 MDIO_PMA_DEVAD,
3004 MDIO_PMA_REG_LRM_MODE,
3005 0xaaaa);
3006 }
3007 return 0;
3008}
3009
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003010static u8 bnx2x_bcm8727_set_limiting_mode(struct link_params *params,
3011 u16 edc_mode)
3012{
3013 struct bnx2x *bp = params->bp;
3014 u8 port = params->port;
3015 u16 phy_identifier;
3016 u16 rom_ver2_val;
3017 u8 ext_phy_addr = ((params->ext_phy_config &
3018 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3019 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3020
3021 bnx2x_cl45_read(bp, port,
3022 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3023 ext_phy_addr,
3024 MDIO_PMA_DEVAD,
3025 MDIO_PMA_REG_PHY_IDENTIFIER,
3026 &phy_identifier);
3027
3028 bnx2x_cl45_write(bp, port,
3029 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3030 ext_phy_addr,
3031 MDIO_PMA_DEVAD,
3032 MDIO_PMA_REG_PHY_IDENTIFIER,
3033 (phy_identifier & ~(1<<9)));
3034
3035 bnx2x_cl45_read(bp, port,
3036 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3037 ext_phy_addr,
3038 MDIO_PMA_DEVAD,
3039 MDIO_PMA_REG_ROM_VER2,
3040 &rom_ver2_val);
3041 /* Keep the MSB 8-bits, and set the LSB 8-bits with the edc_mode */
3042 bnx2x_cl45_write(bp, port,
3043 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3044 ext_phy_addr,
3045 MDIO_PMA_DEVAD,
3046 MDIO_PMA_REG_ROM_VER2,
3047 (rom_ver2_val & 0xff00) | (edc_mode & 0x00ff));
3048
3049 bnx2x_cl45_write(bp, port,
3050 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3051 ext_phy_addr,
3052 MDIO_PMA_DEVAD,
3053 MDIO_PMA_REG_PHY_IDENTIFIER,
3054 (phy_identifier | (1<<9)));
3055
3056 return 0;
3057}
3058
3059
Eilon Greenstein589abe32009-02-12 08:36:55 +00003060static u8 bnx2x_wait_for_sfp_module_initialized(struct link_params *params)
3061{
3062 u8 val;
3063 struct bnx2x *bp = params->bp;
3064 u16 timeout;
3065 /* Initialization time after hot-plug may take up to 300ms for some
3066 phys type ( e.g. JDSU ) */
3067 for (timeout = 0; timeout < 60; timeout++) {
3068 if (bnx2x_read_sfp_module_eeprom(params, 1, 1, &val)
3069 == 0) {
3070 DP(NETIF_MSG_LINK, "SFP+ module initialization "
3071 "took %d ms\n", timeout * 5);
3072 return 0;
3073 }
3074 msleep(5);
3075 }
3076 return -EINVAL;
3077}
3078
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003079static void bnx2x_8727_power_module(struct bnx2x *bp,
3080 struct link_params *params,
3081 u8 ext_phy_addr, u8 is_power_up) {
3082 /* Make sure GPIOs are not using for LED mode */
3083 u16 val;
3084 u8 port = params->port;
3085 /*
3086 * In the GPIO register, bit 4 is use to detemine if the GPIOs are
3087 * operating as INPUT or as OUTPUT. Bit 1 is for input, and 0 for
3088 * output
3089 * Bits 0-1 determine the gpios value for OUTPUT in case bit 4 val is 0
3090 * Bits 8-9 determine the gpios value for INPUT in case bit 4 val is 1
3091 * where the 1st bit is the over-current(only input), and 2nd bit is
3092 * for power( only output )
3093 */
3094
3095 /*
3096 * In case of NOC feature is disabled and power is up, set GPIO control
3097 * as input to enable listening of over-current indication
3098 */
3099
3100 if (!(params->feature_config_flags &
3101 FEATURE_CONFIG_BCM8727_NOC) && is_power_up)
3102 val = (1<<4);
3103 else
3104 /*
3105 * Set GPIO control to OUTPUT, and set the power bit
3106 * to according to the is_power_up
3107 */
3108 val = ((!(is_power_up)) << 1);
3109
3110 bnx2x_cl45_write(bp, port,
3111 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
3112 ext_phy_addr,
3113 MDIO_PMA_DEVAD,
3114 MDIO_PMA_REG_8727_GPIO_CTRL,
3115 val);
3116}
3117
Eilon Greenstein589abe32009-02-12 08:36:55 +00003118static u8 bnx2x_sfp_module_detection(struct link_params *params)
3119{
3120 struct bnx2x *bp = params->bp;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003121 u16 edc_mode;
3122 u8 rc = 0;
Eilon Greenstein589abe32009-02-12 08:36:55 +00003123 u8 ext_phy_addr = ((params->ext_phy_config &
3124 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3125 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3126 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003127 u32 val = REG_RD(bp, params->shmem_base +
3128 offsetof(struct shmem_region, dev_info.
3129 port_feature_config[params->port].config));
Eilon Greenstein589abe32009-02-12 08:36:55 +00003130
3131 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
3132 params->port);
3133
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003134 if (bnx2x_get_edc_mode(params, &edc_mode) != 0) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003135 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003136 return -EINVAL;
3137 } else if (bnx2x_verify_sfp_module(params) !=
Eilon Greenstein589abe32009-02-12 08:36:55 +00003138 0) {
3139 /* check SFP+ module compatibility */
3140 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003141 rc = -EINVAL;
Eilon Greenstein589abe32009-02-12 08:36:55 +00003142 /* Turn on fault module-detected led */
3143 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
3144 MISC_REGISTERS_GPIO_HIGH,
3145 params->port);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003146 if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) &&
3147 ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
3148 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_POWER_DOWN)) {
3149 /* Shutdown SFP+ module */
3150 DP(NETIF_MSG_LINK, "Shutdown SFP+ module!!\n");
3151 bnx2x_8727_power_module(bp, params,
3152 ext_phy_addr, 0);
3153 return rc;
3154 }
3155 } else {
3156 /* Turn off fault module-detected led */
3157 DP(NETIF_MSG_LINK, "Turn off fault module-detected led\n");
3158 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
3159 MISC_REGISTERS_GPIO_LOW,
3160 params->port);
Eilon Greenstein589abe32009-02-12 08:36:55 +00003161 }
3162
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003163 /* power up the SFP module */
3164 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727)
3165 bnx2x_8727_power_module(bp, params, ext_phy_addr, 1);
Eilon Greenstein589abe32009-02-12 08:36:55 +00003166
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003167 /* Check and set limiting mode / LRM mode on 8726.
3168 On 8727 it is done automatically */
3169 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726)
3170 bnx2x_bcm8726_set_limiting_mode(params, edc_mode);
3171 else
3172 bnx2x_bcm8727_set_limiting_mode(params, edc_mode);
3173 /*
3174 * Enable transmit for this module if the module is approved, or
3175 * if unapproved modules should also enable the Tx laser
3176 */
3177 if (rc == 0 ||
3178 (val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) !=
3179 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
3180 bnx2x_sfp_set_transmitter(bp, params->port,
3181 ext_phy_type, ext_phy_addr, 1);
3182 else
3183 bnx2x_sfp_set_transmitter(bp, params->port,
3184 ext_phy_type, ext_phy_addr, 0);
Eilon Greenstein589abe32009-02-12 08:36:55 +00003185
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003186 return rc;
Eilon Greenstein589abe32009-02-12 08:36:55 +00003187}
3188
3189void bnx2x_handle_module_detect_int(struct link_params *params)
3190{
3191 struct bnx2x *bp = params->bp;
3192 u32 gpio_val;
3193 u8 port = params->port;
3194 /* Set valid module led off */
3195 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
3196 MISC_REGISTERS_GPIO_HIGH,
3197 params->port);
3198
3199 /* Get current gpio val refelecting module plugged in / out*/
3200 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
3201
3202 /* Call the handling function in case module is detected */
3203 if (gpio_val == 0) {
3204
3205 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
3206 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
3207 port);
3208
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003209 if (bnx2x_wait_for_sfp_module_initialized(params) ==
3210 0)
Eilon Greenstein589abe32009-02-12 08:36:55 +00003211 bnx2x_sfp_module_detection(params);
3212 else
3213 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
3214 } else {
3215 u8 ext_phy_addr = ((params->ext_phy_config &
3216 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3217 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003218 u32 ext_phy_type =
3219 XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3220 u32 val = REG_RD(bp, params->shmem_base +
3221 offsetof(struct shmem_region, dev_info.
3222 port_feature_config[params->port].
3223 config));
3224
Eilon Greenstein589abe32009-02-12 08:36:55 +00003225 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
3226 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
3227 port);
3228 /* Module was plugged out. */
3229 /* Disable transmit for this module */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003230 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
3231 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
3232 bnx2x_sfp_set_transmitter(bp, params->port,
3233 ext_phy_type, ext_phy_addr, 0);
Eilon Greenstein589abe32009-02-12 08:36:55 +00003234 }
3235}
3236
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003237static void bnx2x_bcm807x_force_10G(struct link_params *params)
3238{
3239 struct bnx2x *bp = params->bp;
3240 u8 port = params->port;
3241 u8 ext_phy_addr = ((params->ext_phy_config &
3242 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3243 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3244 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3245
3246 /* Force KR or KX */
3247 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3248 MDIO_PMA_DEVAD,
3249 MDIO_PMA_REG_CTRL,
3250 0x2040);
3251 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3252 MDIO_PMA_DEVAD,
3253 MDIO_PMA_REG_10G_CTRL2,
3254 0x000b);
3255 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3256 MDIO_PMA_DEVAD,
3257 MDIO_PMA_REG_BCM_CTRL,
3258 0x0000);
3259 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3260 MDIO_AN_DEVAD,
3261 MDIO_AN_REG_CTRL,
3262 0x0000);
3263}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003264static void bnx2x_bcm8073_set_xaui_low_power_mode(struct link_params *params)
3265{
3266 struct bnx2x *bp = params->bp;
3267 u8 port = params->port;
3268 u16 val;
3269 u8 ext_phy_addr = ((params->ext_phy_config &
3270 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3271 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3272 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3273
3274 bnx2x_cl45_read(bp, params->port,
3275 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
3276 ext_phy_addr,
3277 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003278 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003279
3280 if (val == 0) {
3281 /* Mustn't set low power mode in 8073 A0 */
3282 return;
3283 }
3284
3285 /* Disable PLL sequencer (use read-modify-write to clear bit 13) */
3286 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr,
3287 MDIO_XS_DEVAD,
3288 MDIO_XS_PLL_SEQUENCER, &val);
3289 val &= ~(1<<13);
3290 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3291 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
3292
3293 /* PLL controls */
3294 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3295 MDIO_XS_DEVAD, 0x805E, 0x1077);
3296 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3297 MDIO_XS_DEVAD, 0x805D, 0x0000);
3298 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3299 MDIO_XS_DEVAD, 0x805C, 0x030B);
3300 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3301 MDIO_XS_DEVAD, 0x805B, 0x1240);
3302 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3303 MDIO_XS_DEVAD, 0x805A, 0x2490);
3304
3305 /* Tx Controls */
3306 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3307 MDIO_XS_DEVAD, 0x80A7, 0x0C74);
3308 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3309 MDIO_XS_DEVAD, 0x80A6, 0x9041);
3310 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3311 MDIO_XS_DEVAD, 0x80A5, 0x4640);
3312
3313 /* Rx Controls */
3314 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3315 MDIO_XS_DEVAD, 0x80FE, 0x01C4);
3316 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3317 MDIO_XS_DEVAD, 0x80FD, 0x9249);
3318 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3319 MDIO_XS_DEVAD, 0x80FC, 0x2015);
3320
3321 /* Enable PLL sequencer (use read-modify-write to set bit 13) */
3322 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr,
3323 MDIO_XS_DEVAD,
3324 MDIO_XS_PLL_SEQUENCER, &val);
3325 val |= (1<<13);
3326 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
3327 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
3328}
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003329
3330static void bnx2x_8073_set_pause_cl37(struct link_params *params,
3331 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003332{
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003333
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003334 struct bnx2x *bp = params->bp;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003335 u16 cl37_val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003336 u8 ext_phy_addr = ((params->ext_phy_config &
3337 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3338 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3339 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3340
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003341 bnx2x_cl45_read(bp, params->port,
3342 ext_phy_type,
3343 ext_phy_addr,
3344 MDIO_AN_DEVAD,
3345 MDIO_AN_REG_CL37_FC_LD, &cl37_val);
3346
3347 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3348 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3349
3350 if ((vars->ieee_fc &
3351 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
3352 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
3353 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
3354 }
3355 if ((vars->ieee_fc &
3356 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
3357 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3358 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
3359 }
3360 if ((vars->ieee_fc &
3361 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
3362 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3363 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
3364 }
3365 DP(NETIF_MSG_LINK,
3366 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
3367
3368 bnx2x_cl45_write(bp, params->port,
3369 ext_phy_type,
3370 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003371 MDIO_AN_DEVAD,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003372 MDIO_AN_REG_CL37_FC_LD, cl37_val);
3373 msleep(500);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003374}
3375
3376static void bnx2x_ext_phy_set_pause(struct link_params *params,
3377 struct link_vars *vars)
3378{
3379 struct bnx2x *bp = params->bp;
3380 u16 val;
3381 u8 ext_phy_addr = ((params->ext_phy_config &
3382 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3383 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3384 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3385
3386 /* read modify write pause advertizing */
3387 bnx2x_cl45_read(bp, params->port,
3388 ext_phy_type,
3389 ext_phy_addr,
3390 MDIO_AN_DEVAD,
3391 MDIO_AN_REG_ADV_PAUSE, &val);
3392
3393 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003394
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003395 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
3396
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003397 if ((vars->ieee_fc &
3398 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003399 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
3400 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
3401 }
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003402 if ((vars->ieee_fc &
3403 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003404 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
3405 val |=
3406 MDIO_AN_REG_ADV_PAUSE_PAUSE;
3407 }
3408 DP(NETIF_MSG_LINK,
3409 "Ext phy AN advertize 0x%x\n", val);
3410 bnx2x_cl45_write(bp, params->port,
3411 ext_phy_type,
3412 ext_phy_addr,
3413 MDIO_AN_DEVAD,
3414 MDIO_AN_REG_ADV_PAUSE, val);
3415}
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003416static void bnx2x_set_preemphasis(struct link_params *params)
3417{
3418 u16 bank, i = 0;
3419 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003420
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003421 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
3422 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
3423 CL45_WR_OVER_CL22(bp, params->port,
3424 params->phy_addr,
3425 bank,
3426 MDIO_RX0_RX_EQ_BOOST,
3427 params->xgxs_config_rx[i]);
3428 }
3429
3430 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
3431 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
3432 CL45_WR_OVER_CL22(bp, params->port,
3433 params->phy_addr,
3434 bank,
3435 MDIO_TX0_TX_DRIVER,
3436 params->xgxs_config_tx[i]);
3437 }
3438}
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003439
Eilon Greenstein2f904462009-08-12 08:22:16 +00003440
3441static void bnx2x_8481_set_led4(struct link_params *params,
3442 u32 ext_phy_type, u8 ext_phy_addr)
3443{
3444 struct bnx2x *bp = params->bp;
3445
3446 /* PHYC_CTL_LED_CTL */
3447 bnx2x_cl45_write(bp, params->port,
3448 ext_phy_type,
3449 ext_phy_addr,
3450 MDIO_PMA_DEVAD,
3451 MDIO_PMA_REG_8481_LINK_SIGNAL, 0xa482);
3452
3453 /* Unmask LED4 for 10G link */
3454 bnx2x_cl45_write(bp, params->port,
3455 ext_phy_type,
3456 ext_phy_addr,
3457 MDIO_PMA_DEVAD,
3458 MDIO_PMA_REG_8481_SIGNAL_MASK, (1<<6));
3459 /* 'Interrupt Mask' */
3460 bnx2x_cl45_write(bp, params->port,
3461 ext_phy_type,
3462 ext_phy_addr,
3463 MDIO_AN_DEVAD,
3464 0xFFFB, 0xFFFD);
3465}
3466static void bnx2x_8481_set_legacy_led_mode(struct link_params *params,
3467 u32 ext_phy_type, u8 ext_phy_addr)
3468{
3469 struct bnx2x *bp = params->bp;
3470
3471 /* LED1 (10G Link): Disable LED1 when 10/100/1000 link */
3472 /* LED2 (1G/100/10 Link): Enable LED2 when 10/100/1000 link) */
3473 bnx2x_cl45_write(bp, params->port,
3474 ext_phy_type,
3475 ext_phy_addr,
3476 MDIO_AN_DEVAD,
3477 MDIO_AN_REG_8481_LEGACY_SHADOW,
3478 (1<<15) | (0xd << 10) | (0xc<<4) | 0xe);
3479}
3480
3481static void bnx2x_8481_set_10G_led_mode(struct link_params *params,
3482 u32 ext_phy_type, u8 ext_phy_addr)
3483{
3484 struct bnx2x *bp = params->bp;
3485 u16 val1;
3486
3487 /* LED1 (10G Link) */
3488 /* Enable continuse based on source 7(10G-link) */
3489 bnx2x_cl45_read(bp, params->port,
3490 ext_phy_type,
3491 ext_phy_addr,
3492 MDIO_PMA_DEVAD,
3493 MDIO_PMA_REG_8481_LINK_SIGNAL,
3494 &val1);
3495 /* Set bit 2 to 0, and bits [1:0] to 10 */
3496 val1 &= ~((1<<0) | (1<<2)); /* Clear bits 0,2*/
3497 val1 |= (1<<1); /* Set bit 1 */
3498
3499 bnx2x_cl45_write(bp, params->port,
3500 ext_phy_type,
3501 ext_phy_addr,
3502 MDIO_PMA_DEVAD,
3503 MDIO_PMA_REG_8481_LINK_SIGNAL,
3504 val1);
3505
3506 /* Unmask LED1 for 10G link */
3507 bnx2x_cl45_read(bp, params->port,
3508 ext_phy_type,
3509 ext_phy_addr,
3510 MDIO_PMA_DEVAD,
3511 MDIO_PMA_REG_8481_LED1_MASK,
3512 &val1);
3513 /* Set bit 2 to 0, and bits [1:0] to 10 */
3514 val1 |= (1<<7);
3515 bnx2x_cl45_write(bp, params->port,
3516 ext_phy_type,
3517 ext_phy_addr,
3518 MDIO_PMA_DEVAD,
3519 MDIO_PMA_REG_8481_LED1_MASK,
3520 val1);
3521
3522 /* LED2 (1G/100/10G Link) */
3523 /* Mask LED2 for 10G link */
3524 bnx2x_cl45_write(bp, params->port,
3525 ext_phy_type,
3526 ext_phy_addr,
3527 MDIO_PMA_DEVAD,
3528 MDIO_PMA_REG_8481_LED2_MASK,
3529 0);
3530
3531 /* LED3 (10G/1G/100/10G Activity) */
3532 bnx2x_cl45_read(bp, params->port,
3533 ext_phy_type,
3534 ext_phy_addr,
3535 MDIO_PMA_DEVAD,
3536 MDIO_PMA_REG_8481_LINK_SIGNAL,
3537 &val1);
3538 /* Enable blink based on source 4(Activity) */
3539 val1 &= ~((1<<7) | (1<<8)); /* Clear bits 7,8 */
3540 val1 |= (1<<6); /* Set only bit 6 */
3541 bnx2x_cl45_write(bp, params->port,
3542 ext_phy_type,
3543 ext_phy_addr,
3544 MDIO_PMA_DEVAD,
3545 MDIO_PMA_REG_8481_LINK_SIGNAL,
3546 val1);
3547
3548 bnx2x_cl45_read(bp, params->port,
3549 ext_phy_type,
3550 ext_phy_addr,
3551 MDIO_PMA_DEVAD,
3552 MDIO_PMA_REG_8481_LED3_MASK,
3553 &val1);
3554 val1 |= (1<<4); /* Unmask LED3 for 10G link */
3555 bnx2x_cl45_write(bp, params->port,
3556 ext_phy_type,
3557 ext_phy_addr,
3558 MDIO_PMA_DEVAD,
3559 MDIO_PMA_REG_8481_LED3_MASK,
3560 val1);
3561}
3562
3563
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003564static void bnx2x_init_internal_phy(struct link_params *params,
Eilon Greenstein239d6862009-08-12 08:23:04 +00003565 struct link_vars *vars,
3566 u8 enable_cl73)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003567{
3568 struct bnx2x *bp = params->bp;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003569 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003570 if ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
3571 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
3572 (params->feature_config_flags &
3573 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
3574 bnx2x_set_preemphasis(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003575
3576 /* forced speed requested? */
3577 if (vars->line_speed != SPEED_AUTO_NEG) {
3578 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
3579
3580 /* disable autoneg */
Eilon Greenstein239d6862009-08-12 08:23:04 +00003581 bnx2x_set_autoneg(params, vars, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003582
3583 /* program speed and duplex */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003584 bnx2x_program_serdes(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003585
3586 } else { /* AN_mode */
3587 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
3588
3589 /* AN enabled */
3590 bnx2x_set_brcm_cl37_advertisment(params);
3591
3592 /* program duplex & pause advertisement (for aneg) */
3593 bnx2x_set_ieee_aneg_advertisment(params,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003594 vars->ieee_fc);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003595
3596 /* enable autoneg */
Eilon Greenstein239d6862009-08-12 08:23:04 +00003597 bnx2x_set_autoneg(params, vars, enable_cl73);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003598
3599 /* enable and restart AN */
Eilon Greenstein239d6862009-08-12 08:23:04 +00003600 bnx2x_restart_autoneg(params, enable_cl73);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003601 }
3602
3603 } else { /* SGMII mode */
3604 DP(NETIF_MSG_LINK, "SGMII\n");
3605
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003606 bnx2x_initialize_sgmii_process(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003607 }
3608}
3609
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003610static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
3611{
3612 struct bnx2x *bp = params->bp;
3613 u32 ext_phy_type;
3614 u8 ext_phy_addr;
3615 u16 cnt;
3616 u16 ctrl = 0;
3617 u16 val = 0;
3618 u8 rc = 0;
3619 if (vars->phy_flags & PHY_XGXS_FLAG) {
3620 ext_phy_addr = ((params->ext_phy_config &
3621 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3622 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3623
3624 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3625 /* Make sure that the soft reset is off (expect for the 8072:
3626 * due to the lock, it will be done inside the specific
3627 * handling)
3628 */
3629 if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
3630 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
3631 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) &&
3632 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) &&
3633 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) {
3634 /* Wait for soft reset to get cleared upto 1 sec */
3635 for (cnt = 0; cnt < 1000; cnt++) {
3636 bnx2x_cl45_read(bp, params->port,
3637 ext_phy_type,
3638 ext_phy_addr,
3639 MDIO_PMA_DEVAD,
3640 MDIO_PMA_REG_CTRL, &ctrl);
3641 if (!(ctrl & (1<<15)))
3642 break;
3643 msleep(1);
3644 }
3645 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n",
3646 ctrl, cnt);
3647 }
3648
3649 switch (ext_phy_type) {
3650 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003651 break;
3652
3653 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
3654 DP(NETIF_MSG_LINK, "XGXS 8705\n");
3655
3656 bnx2x_cl45_write(bp, params->port,
3657 ext_phy_type,
3658 ext_phy_addr,
3659 MDIO_PMA_DEVAD,
3660 MDIO_PMA_REG_MISC_CTRL,
3661 0x8288);
3662 bnx2x_cl45_write(bp, params->port,
3663 ext_phy_type,
3664 ext_phy_addr,
3665 MDIO_PMA_DEVAD,
3666 MDIO_PMA_REG_PHY_IDENTIFIER,
3667 0x7fbf);
3668 bnx2x_cl45_write(bp, params->port,
3669 ext_phy_type,
3670 ext_phy_addr,
3671 MDIO_PMA_DEVAD,
3672 MDIO_PMA_REG_CMU_PLL_BYPASS,
3673 0x0100);
3674 bnx2x_cl45_write(bp, params->port,
3675 ext_phy_type,
3676 ext_phy_addr,
3677 MDIO_WIS_DEVAD,
3678 MDIO_WIS_REG_LASI_CNTL, 0x1);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003679
Eilon Greenstein3b313b62009-03-02 08:00:10 +00003680 /* BCM8705 doesn't have microcode, hence the 0 */
3681 bnx2x_save_spirom_version(bp, params->port,
3682 params->shmem_base, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003683 break;
3684
3685 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003686 /* Wait until fw is loaded */
3687 for (cnt = 0; cnt < 100; cnt++) {
3688 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3689 ext_phy_addr, MDIO_PMA_DEVAD,
3690 MDIO_PMA_REG_ROM_VER1, &val);
3691 if (val)
3692 break;
3693 msleep(10);
3694 }
3695 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized "
3696 "after %d ms\n", cnt);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003697 if ((params->feature_config_flags &
3698 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
3699 u8 i;
3700 u16 reg;
3701 for (i = 0; i < 4; i++) {
3702 reg = MDIO_XS_8706_REG_BANK_RX0 +
3703 i*(MDIO_XS_8706_REG_BANK_RX1 -
3704 MDIO_XS_8706_REG_BANK_RX0);
3705 bnx2x_cl45_read(bp, params->port,
3706 ext_phy_type,
3707 ext_phy_addr,
3708 MDIO_XS_DEVAD,
3709 reg, &val);
3710 /* Clear first 3 bits of the control */
3711 val &= ~0x7;
3712 /* Set control bits according to
3713 configuation */
3714 val |= (params->xgxs_config_rx[i] &
3715 0x7);
3716 DP(NETIF_MSG_LINK, "Setting RX"
3717 "Equalizer to BCM8706 reg 0x%x"
3718 " <-- val 0x%x\n", reg, val);
3719 bnx2x_cl45_write(bp, params->port,
3720 ext_phy_type,
3721 ext_phy_addr,
3722 MDIO_XS_DEVAD,
3723 reg, val);
3724 }
3725 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003726 /* Force speed */
3727 /* First enable LASI */
3728 bnx2x_cl45_write(bp, params->port,
3729 ext_phy_type,
3730 ext_phy_addr,
3731 MDIO_PMA_DEVAD,
3732 MDIO_PMA_REG_RX_ALARM_CTRL,
3733 0x0400);
3734 bnx2x_cl45_write(bp, params->port,
3735 ext_phy_type,
3736 ext_phy_addr,
3737 MDIO_PMA_DEVAD,
3738 MDIO_PMA_REG_LASI_CTRL, 0x0004);
3739
3740 if (params->req_line_speed == SPEED_10000) {
3741 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
3742
3743 bnx2x_cl45_write(bp, params->port,
3744 ext_phy_type,
3745 ext_phy_addr,
3746 MDIO_PMA_DEVAD,
3747 MDIO_PMA_REG_DIGITAL_CTRL,
3748 0x400);
3749 } else {
3750 /* Force 1Gbps using autoneg with 1G
3751 advertisment */
3752
3753 /* Allow CL37 through CL73 */
3754 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
3755 bnx2x_cl45_write(bp, params->port,
3756 ext_phy_type,
3757 ext_phy_addr,
3758 MDIO_AN_DEVAD,
3759 MDIO_AN_REG_CL37_CL73,
3760 0x040c);
3761
3762 /* Enable Full-Duplex advertisment on CL37 */
3763 bnx2x_cl45_write(bp, params->port,
3764 ext_phy_type,
3765 ext_phy_addr,
3766 MDIO_AN_DEVAD,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003767 MDIO_AN_REG_CL37_FC_LP,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003768 0x0020);
3769 /* Enable CL37 AN */
3770 bnx2x_cl45_write(bp, params->port,
3771 ext_phy_type,
3772 ext_phy_addr,
3773 MDIO_AN_DEVAD,
3774 MDIO_AN_REG_CL37_AN,
3775 0x1000);
3776 /* 1G support */
3777 bnx2x_cl45_write(bp, params->port,
3778 ext_phy_type,
3779 ext_phy_addr,
3780 MDIO_AN_DEVAD,
3781 MDIO_AN_REG_ADV, (1<<5));
3782
3783 /* Enable clause 73 AN */
3784 bnx2x_cl45_write(bp, params->port,
3785 ext_phy_type,
3786 ext_phy_addr,
3787 MDIO_AN_DEVAD,
3788 MDIO_AN_REG_CTRL,
3789 0x1200);
3790
3791 }
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003792 bnx2x_save_bcm_spirom_ver(bp, params->port,
3793 ext_phy_type,
3794 ext_phy_addr,
3795 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003796 break;
Eilon Greenstein589abe32009-02-12 08:36:55 +00003797 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
3798 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
3799 bnx2x_bcm8726_external_rom_boot(params);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003800
Eilon Greenstein589abe32009-02-12 08:36:55 +00003801 /* Need to call module detected on initialization since
3802 the module detection triggered by actual module
3803 insertion might occur before driver is loaded, and when
3804 driver is loaded, it reset all registers, including the
3805 transmitter */
3806 bnx2x_sfp_module_detection(params);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00003807
3808 /* Set Flow control */
3809 bnx2x_ext_phy_set_pause(params, vars);
Eilon Greenstein589abe32009-02-12 08:36:55 +00003810 if (params->req_line_speed == SPEED_1000) {
3811 DP(NETIF_MSG_LINK, "Setting 1G force\n");
3812 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3813 ext_phy_addr, MDIO_PMA_DEVAD,
3814 MDIO_PMA_REG_CTRL, 0x40);
3815 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3816 ext_phy_addr, MDIO_PMA_DEVAD,
3817 MDIO_PMA_REG_10G_CTRL2, 0xD);
3818 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3819 ext_phy_addr, MDIO_PMA_DEVAD,
3820 MDIO_PMA_REG_LASI_CTRL, 0x5);
3821 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3822 ext_phy_addr, MDIO_PMA_DEVAD,
3823 MDIO_PMA_REG_RX_ALARM_CTRL,
3824 0x400);
3825 } else if ((params->req_line_speed ==
3826 SPEED_AUTO_NEG) &&
3827 ((params->speed_cap_mask &
3828 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
3829 DP(NETIF_MSG_LINK, "Setting 1G clause37 \n");
3830 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3831 ext_phy_addr, MDIO_AN_DEVAD,
3832 MDIO_AN_REG_ADV, 0x20);
3833 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3834 ext_phy_addr, MDIO_AN_DEVAD,
3835 MDIO_AN_REG_CL37_CL73, 0x040c);
3836 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3837 ext_phy_addr, MDIO_AN_DEVAD,
3838 MDIO_AN_REG_CL37_FC_LD, 0x0020);
3839 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3840 ext_phy_addr, MDIO_AN_DEVAD,
3841 MDIO_AN_REG_CL37_AN, 0x1000);
3842 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3843 ext_phy_addr, MDIO_AN_DEVAD,
3844 MDIO_AN_REG_CTRL, 0x1200);
3845
3846 /* Enable RX-ALARM control to receive
3847 interrupt for 1G speed change */
3848 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3849 ext_phy_addr, MDIO_PMA_DEVAD,
3850 MDIO_PMA_REG_LASI_CTRL, 0x4);
3851 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3852 ext_phy_addr, MDIO_PMA_DEVAD,
3853 MDIO_PMA_REG_RX_ALARM_CTRL,
3854 0x400);
3855
3856 } else { /* Default 10G. Set only LASI control */
3857 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3858 ext_phy_addr, MDIO_PMA_DEVAD,
3859 MDIO_PMA_REG_LASI_CTRL, 1);
3860 }
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003861
3862 /* Set TX PreEmphasis if needed */
3863 if ((params->feature_config_flags &
3864 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
3865 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
3866 "TX_CTRL2 0x%x\n",
3867 params->xgxs_config_tx[0],
3868 params->xgxs_config_tx[1]);
3869 bnx2x_cl45_write(bp, params->port,
3870 ext_phy_type,
3871 ext_phy_addr,
3872 MDIO_PMA_DEVAD,
3873 MDIO_PMA_REG_8726_TX_CTRL1,
3874 params->xgxs_config_tx[0]);
3875
3876 bnx2x_cl45_write(bp, params->port,
3877 ext_phy_type,
3878 ext_phy_addr,
3879 MDIO_PMA_DEVAD,
3880 MDIO_PMA_REG_8726_TX_CTRL2,
3881 params->xgxs_config_tx[1]);
3882 }
Eilon Greenstein589abe32009-02-12 08:36:55 +00003883 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003884 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
3885 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
3886 {
3887 u16 tmp1;
3888 u16 rx_alarm_ctrl_val;
3889 u16 lasi_ctrl_val;
3890 if (ext_phy_type ==
3891 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
3892 rx_alarm_ctrl_val = 0x400;
3893 lasi_ctrl_val = 0x0004;
3894 } else {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003895 rx_alarm_ctrl_val = (1<<2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003896 lasi_ctrl_val = 0x0004;
3897 }
3898
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003899 /* enable LASI */
3900 bnx2x_cl45_write(bp, params->port,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003901 ext_phy_type,
3902 ext_phy_addr,
3903 MDIO_PMA_DEVAD,
3904 MDIO_PMA_REG_RX_ALARM_CTRL,
3905 rx_alarm_ctrl_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003906
3907 bnx2x_cl45_write(bp, params->port,
3908 ext_phy_type,
3909 ext_phy_addr,
3910 MDIO_PMA_DEVAD,
3911 MDIO_PMA_REG_LASI_CTRL,
3912 lasi_ctrl_val);
3913
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003914 bnx2x_8073_set_pause_cl37(params, vars);
3915
3916 if (ext_phy_type ==
3917 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072){
3918 bnx2x_bcm8072_external_rom_boot(params);
3919 } else {
3920
3921 /* In case of 8073 with long xaui lines,
3922 don't set the 8073 xaui low power*/
3923 bnx2x_bcm8073_set_xaui_low_power_mode(params);
3924 }
3925
3926 bnx2x_cl45_read(bp, params->port,
3927 ext_phy_type,
3928 ext_phy_addr,
3929 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003930 MDIO_PMA_REG_M8051_MSGOUT_REG,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003931 &tmp1);
3932
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003933 bnx2x_cl45_read(bp, params->port,
3934 ext_phy_type,
3935 ext_phy_addr,
3936 MDIO_PMA_DEVAD,
3937 MDIO_PMA_REG_RX_ALARM, &tmp1);
3938
3939 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1):"
3940 "0x%x\n", tmp1);
3941
3942 /* If this is forced speed, set to KR or KX
3943 * (all other are not supported)
3944 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003945 if (params->loopback_mode == LOOPBACK_EXT) {
3946 bnx2x_bcm807x_force_10G(params);
3947 DP(NETIF_MSG_LINK,
3948 "Forced speed 10G on 807X\n");
3949 break;
3950 } else {
3951 bnx2x_cl45_write(bp, params->port,
3952 ext_phy_type, ext_phy_addr,
3953 MDIO_PMA_DEVAD,
3954 MDIO_PMA_REG_BCM_CTRL,
3955 0x0002);
3956 }
3957 if (params->req_line_speed != SPEED_AUTO_NEG) {
3958 if (params->req_line_speed == SPEED_10000) {
3959 val = (1<<7);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003960 } else if (params->req_line_speed ==
3961 SPEED_2500) {
3962 val = (1<<5);
3963 /* Note that 2.5G works only
3964 when used with 1G advertisment */
3965 } else
3966 val = (1<<5);
3967 } else {
3968
3969 val = 0;
3970 if (params->speed_cap_mask &
3971 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
3972 val |= (1<<7);
3973
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003974 /* Note that 2.5G works only when
3975 used with 1G advertisment */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003976 if (params->speed_cap_mask &
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003977 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
3978 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003979 val |= (1<<5);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003980 DP(NETIF_MSG_LINK,
3981 "807x autoneg val = 0x%x\n", val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003982 }
3983
3984 bnx2x_cl45_write(bp, params->port,
3985 ext_phy_type,
3986 ext_phy_addr,
3987 MDIO_AN_DEVAD,
3988 MDIO_AN_REG_ADV, val);
3989
3990 if (ext_phy_type ==
3991 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003992
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003993 bnx2x_cl45_read(bp, params->port,
3994 ext_phy_type,
3995 ext_phy_addr,
3996 MDIO_AN_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003997 MDIO_AN_REG_8073_2_5G, &tmp1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003998
3999 if (((params->speed_cap_mask &
4000 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
4001 (params->req_line_speed ==
4002 SPEED_AUTO_NEG)) ||
4003 (params->req_line_speed ==
4004 SPEED_2500)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004005 u16 phy_ver;
4006 /* Allow 2.5G for A1 and above */
4007 bnx2x_cl45_read(bp, params->port,
4008 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
4009 ext_phy_addr,
4010 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00004011 MDIO_PMA_REG_8073_CHIP_REV, &phy_ver);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004012 DP(NETIF_MSG_LINK, "Add 2.5G\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004013 if (phy_ver > 0)
4014 tmp1 |= 1;
4015 else
4016 tmp1 &= 0xfffe;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004017 } else {
4018 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004019 tmp1 &= 0xfffe;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004020 }
4021
4022 bnx2x_cl45_write(bp, params->port,
4023 ext_phy_type,
4024 ext_phy_addr,
4025 MDIO_AN_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00004026 MDIO_AN_REG_8073_2_5G, tmp1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004027 }
4028
4029 /* Add support for CL37 (passive mode) II */
4030
4031 bnx2x_cl45_read(bp, params->port,
4032 ext_phy_type,
4033 ext_phy_addr,
4034 MDIO_AN_DEVAD,
4035 MDIO_AN_REG_CL37_FC_LD,
4036 &tmp1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004037
4038 bnx2x_cl45_write(bp, params->port,
4039 ext_phy_type,
4040 ext_phy_addr,
4041 MDIO_AN_DEVAD,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004042 MDIO_AN_REG_CL37_FC_LD, (tmp1 |
4043 ((params->req_duplex == DUPLEX_FULL) ?
4044 0x20 : 0x40)));
4045
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004046 /* Add support for CL37 (passive mode) III */
4047 bnx2x_cl45_write(bp, params->port,
4048 ext_phy_type,
4049 ext_phy_addr,
4050 MDIO_AN_DEVAD,
4051 MDIO_AN_REG_CL37_AN, 0x1000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004052
4053 if (ext_phy_type ==
4054 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004055 /* The SNR will improve about 2db by changing
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004056 BW and FEE main tap. Rest commands are executed
4057 after link is up*/
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004058 /*Change FFE main cursor to 5 in EDC register*/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004059 if (bnx2x_8073_is_snr_needed(params))
4060 bnx2x_cl45_write(bp, params->port,
4061 ext_phy_type,
4062 ext_phy_addr,
4063 MDIO_PMA_DEVAD,
4064 MDIO_PMA_REG_EDC_FFE_MAIN,
4065 0xFB0C);
4066
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004067 /* Enable FEC (Forware Error Correction)
4068 Request in the AN */
4069 bnx2x_cl45_read(bp, params->port,
4070 ext_phy_type,
4071 ext_phy_addr,
4072 MDIO_AN_DEVAD,
4073 MDIO_AN_REG_ADV2, &tmp1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004074
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004075 tmp1 |= (1<<15);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004076
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004077 bnx2x_cl45_write(bp, params->port,
4078 ext_phy_type,
4079 ext_phy_addr,
4080 MDIO_AN_DEVAD,
4081 MDIO_AN_REG_ADV2, tmp1);
4082
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004083 }
4084
4085 bnx2x_ext_phy_set_pause(params, vars);
4086
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004087 /* Restart autoneg */
4088 msleep(500);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004089 bnx2x_cl45_write(bp, params->port,
4090 ext_phy_type,
4091 ext_phy_addr,
4092 MDIO_AN_DEVAD,
4093 MDIO_AN_REG_CTRL, 0x1200);
4094 DP(NETIF_MSG_LINK, "807x Autoneg Restart: "
4095 "Advertise 1G=%x, 10G=%x\n",
4096 ((val & (1<<5)) > 0),
4097 ((val & (1<<7)) > 0));
4098 break;
4099 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00004100
4101 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
4102 {
4103 u16 tmp1;
4104 u16 rx_alarm_ctrl_val;
4105 u16 lasi_ctrl_val;
4106
4107 /* Enable PMD link, MOD_ABS_FLT, and 1G link alarm */
4108
4109 u16 mod_abs;
4110 rx_alarm_ctrl_val = (1<<2) | (1<<5) ;
4111 lasi_ctrl_val = 0x0004;
4112
4113 DP(NETIF_MSG_LINK, "Initializing BCM8727\n");
4114 /* enable LASI */
4115 bnx2x_cl45_write(bp, params->port,
4116 ext_phy_type,
4117 ext_phy_addr,
4118 MDIO_PMA_DEVAD,
4119 MDIO_PMA_REG_RX_ALARM_CTRL,
4120 rx_alarm_ctrl_val);
4121
4122 bnx2x_cl45_write(bp, params->port,
4123 ext_phy_type,
4124 ext_phy_addr,
4125 MDIO_PMA_DEVAD,
4126 MDIO_PMA_REG_LASI_CTRL,
4127 lasi_ctrl_val);
4128
4129 /* Initially configure MOD_ABS to interrupt when
4130 module is presence( bit 8) */
4131 bnx2x_cl45_read(bp, params->port,
4132 ext_phy_type,
4133 ext_phy_addr,
4134 MDIO_PMA_DEVAD,
4135 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
4136 /* Set EDC off by setting OPTXLOS signal input to low
4137 (bit 9).
4138 When the EDC is off it locks onto a reference clock and
4139 avoids becoming 'lost'.*/
4140 mod_abs &= ~((1<<8) | (1<<9));
4141 bnx2x_cl45_write(bp, params->port,
4142 ext_phy_type,
4143 ext_phy_addr,
4144 MDIO_PMA_DEVAD,
4145 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
4146
4147 /* Make MOD_ABS give interrupt on change */
4148 bnx2x_cl45_read(bp, params->port,
4149 ext_phy_type,
4150 ext_phy_addr,
4151 MDIO_PMA_DEVAD,
4152 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4153 &val);
4154 val |= (1<<12);
4155 bnx2x_cl45_write(bp, params->port,
4156 ext_phy_type,
4157 ext_phy_addr,
4158 MDIO_PMA_DEVAD,
4159 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4160 val);
4161
4162 /* Set 8727 GPIOs to input to allow reading from the
4163 8727 GPIO0 status which reflect SFP+ module
4164 over-current */
4165
4166 bnx2x_cl45_read(bp, params->port,
4167 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4168 ext_phy_addr,
4169 MDIO_PMA_DEVAD,
4170 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4171 &val);
4172 val &= 0xff8f; /* Reset bits 4-6 */
4173 bnx2x_cl45_write(bp, params->port,
4174 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4175 ext_phy_addr,
4176 MDIO_PMA_DEVAD,
4177 MDIO_PMA_REG_8727_PCS_OPT_CTRL,
4178 val);
4179
4180 bnx2x_8727_power_module(bp, params, ext_phy_addr, 1);
4181 bnx2x_bcm8073_set_xaui_low_power_mode(params);
4182
4183 bnx2x_cl45_read(bp, params->port,
4184 ext_phy_type,
4185 ext_phy_addr,
4186 MDIO_PMA_DEVAD,
4187 MDIO_PMA_REG_M8051_MSGOUT_REG,
4188 &tmp1);
4189
4190 bnx2x_cl45_read(bp, params->port,
4191 ext_phy_type,
4192 ext_phy_addr,
4193 MDIO_PMA_DEVAD,
4194 MDIO_PMA_REG_RX_ALARM, &tmp1);
4195
4196 /* Set option 1G speed */
4197 if (params->req_line_speed == SPEED_1000) {
4198
4199 DP(NETIF_MSG_LINK, "Setting 1G force\n");
4200 bnx2x_cl45_write(bp, params->port,
4201 ext_phy_type,
4202 ext_phy_addr,
4203 MDIO_PMA_DEVAD,
4204 MDIO_PMA_REG_CTRL, 0x40);
4205 bnx2x_cl45_write(bp, params->port,
4206 ext_phy_type,
4207 ext_phy_addr,
4208 MDIO_PMA_DEVAD,
4209 MDIO_PMA_REG_10G_CTRL2, 0xD);
4210 bnx2x_cl45_read(bp, params->port,
4211 ext_phy_type,
4212 ext_phy_addr,
4213 MDIO_PMA_DEVAD,
4214 MDIO_PMA_REG_10G_CTRL2, &tmp1);
4215 DP(NETIF_MSG_LINK, "1.7 = 0x%x \n", tmp1);
4216
4217 } else if ((params->req_line_speed ==
4218 SPEED_AUTO_NEG) &&
4219 ((params->speed_cap_mask &
4220 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
4221
4222 DP(NETIF_MSG_LINK, "Setting 1G clause37 \n");
4223 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4224 ext_phy_addr, MDIO_AN_DEVAD,
4225 MDIO_PMA_REG_8727_MISC_CTRL, 0);
4226 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4227 ext_phy_addr, MDIO_AN_DEVAD,
4228 MDIO_AN_REG_CL37_AN, 0x1300);
4229 } else {
4230 /* Since the 8727 has only single reset pin,
4231 need to set the 10G registers although it is
4232 default */
4233 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4234 ext_phy_addr, MDIO_AN_DEVAD,
4235 MDIO_AN_REG_CTRL, 0x0020);
4236 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4237 ext_phy_addr, MDIO_AN_DEVAD,
4238 0x7, 0x0100);
4239 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4240 ext_phy_addr, MDIO_PMA_DEVAD,
4241 MDIO_PMA_REG_CTRL, 0x2040);
4242 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4243 ext_phy_addr, MDIO_PMA_DEVAD,
4244 MDIO_PMA_REG_10G_CTRL2, 0x0008);
4245 }
4246
4247 /* Set 2-wire transfer rate to 400Khz since 100Khz
4248 is not operational */
4249 bnx2x_cl45_write(bp, params->port,
4250 ext_phy_type,
4251 ext_phy_addr,
4252 MDIO_PMA_DEVAD,
4253 MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR,
4254 0xa101);
4255
4256 /* Set TX PreEmphasis if needed */
4257 if ((params->feature_config_flags &
4258 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
4259 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
4260 "TX_CTRL2 0x%x\n",
4261 params->xgxs_config_tx[0],
4262 params->xgxs_config_tx[1]);
4263 bnx2x_cl45_write(bp, params->port,
4264 ext_phy_type,
4265 ext_phy_addr,
4266 MDIO_PMA_DEVAD,
4267 MDIO_PMA_REG_8727_TX_CTRL1,
4268 params->xgxs_config_tx[0]);
4269
4270 bnx2x_cl45_write(bp, params->port,
4271 ext_phy_type,
4272 ext_phy_addr,
4273 MDIO_PMA_DEVAD,
4274 MDIO_PMA_REG_8727_TX_CTRL2,
4275 params->xgxs_config_tx[1]);
4276 }
4277
4278 break;
4279 }
4280
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004281 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004282 {
4283 u16 fw_ver1, fw_ver2;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004284 DP(NETIF_MSG_LINK,
4285 "Setting the SFX7101 LASI indication\n");
4286
4287 bnx2x_cl45_write(bp, params->port,
4288 ext_phy_type,
4289 ext_phy_addr,
4290 MDIO_PMA_DEVAD,
4291 MDIO_PMA_REG_LASI_CTRL, 0x1);
4292 DP(NETIF_MSG_LINK,
4293 "Setting the SFX7101 LED to blink on traffic\n");
4294 bnx2x_cl45_write(bp, params->port,
4295 ext_phy_type,
4296 ext_phy_addr,
4297 MDIO_PMA_DEVAD,
4298 MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
4299
4300 bnx2x_ext_phy_set_pause(params, vars);
4301 /* Restart autoneg */
4302 bnx2x_cl45_read(bp, params->port,
4303 ext_phy_type,
4304 ext_phy_addr,
4305 MDIO_AN_DEVAD,
4306 MDIO_AN_REG_CTRL, &val);
4307 val |= 0x200;
4308 bnx2x_cl45_write(bp, params->port,
4309 ext_phy_type,
4310 ext_phy_addr,
4311 MDIO_AN_DEVAD,
4312 MDIO_AN_REG_CTRL, val);
Eilon Greenstein28577182009-02-12 08:37:00 +00004313
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004314 /* Save spirom version */
4315 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4316 ext_phy_addr, MDIO_PMA_DEVAD,
4317 MDIO_PMA_REG_7101_VER1, &fw_ver1);
4318
4319 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4320 ext_phy_addr, MDIO_PMA_DEVAD,
4321 MDIO_PMA_REG_7101_VER2, &fw_ver2);
4322
4323 bnx2x_save_spirom_version(params->bp, params->port,
4324 params->shmem_base,
4325 (u32)(fw_ver1<<16 | fw_ver2));
4326
Eilon Greenstein28577182009-02-12 08:37:00 +00004327 break;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004328 }
Eilon Greenstein28577182009-02-12 08:37:00 +00004329 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
Eilon Greenstein2f904462009-08-12 08:22:16 +00004330 /* This phy uses the NIG latch mechanism since link
4331 indication arrives through its LED4 and not via
4332 its LASI signal, so we get steady signal
4333 instead of clear on read */
4334 bnx2x_bits_en(bp, NIG_REG_LATCH_BC_0 + params->port*4,
4335 1 << NIG_LATCH_BC_ENABLE_MI_INT);
Eilon Greenstein28577182009-02-12 08:37:00 +00004336
Eilon Greenstein2f904462009-08-12 08:22:16 +00004337 bnx2x_8481_set_led4(params, ext_phy_type, ext_phy_addr);
4338 if (params->req_line_speed == SPEED_AUTO_NEG) {
Eilon Greenstein28577182009-02-12 08:37:00 +00004339
Eilon Greenstein2f904462009-08-12 08:22:16 +00004340 u16 autoneg_val, an_1000_val, an_10_100_val;
4341 /* set 1000 speed advertisement */
4342 bnx2x_cl45_read(bp, params->port,
4343 ext_phy_type,
4344 ext_phy_addr,
4345 MDIO_AN_DEVAD,
4346 MDIO_AN_REG_8481_1000T_CTRL,
4347 &an_1000_val);
4348
4349 if (params->speed_cap_mask &
4350 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) {
4351 an_1000_val |= (1<<8);
4352 if (params->req_duplex == DUPLEX_FULL)
4353 an_1000_val |= (1<<9);
4354 DP(NETIF_MSG_LINK, "Advertising 1G\n");
4355 } else
4356 an_1000_val &= ~((1<<8) | (1<<9));
4357
4358 bnx2x_cl45_write(bp, params->port,
4359 ext_phy_type,
4360 ext_phy_addr,
4361 MDIO_AN_DEVAD,
4362 MDIO_AN_REG_8481_1000T_CTRL,
4363 an_1000_val);
4364
4365 /* set 100 speed advertisement */
4366 bnx2x_cl45_read(bp, params->port,
4367 ext_phy_type,
4368 ext_phy_addr,
4369 MDIO_AN_DEVAD,
4370 MDIO_AN_REG_8481_LEGACY_AN_ADV,
4371 &an_10_100_val);
4372
4373 if (params->speed_cap_mask &
4374 (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
4375 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) {
4376 an_10_100_val |= (1<<7);
4377 if (params->req_duplex == DUPLEX_FULL)
4378 an_10_100_val |= (1<<8);
4379 DP(NETIF_MSG_LINK,
4380 "Advertising 100M\n");
4381 } else
4382 an_10_100_val &= ~((1<<7) | (1<<8));
4383
4384 /* set 10 speed advertisement */
4385 if (params->speed_cap_mask &
4386 (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
4387 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) {
4388 an_10_100_val |= (1<<5);
4389 if (params->req_duplex == DUPLEX_FULL)
4390 an_10_100_val |= (1<<6);
4391 DP(NETIF_MSG_LINK, "Advertising 10M\n");
4392 }
4393 else
4394 an_10_100_val &= ~((1<<5) | (1<<6));
4395
4396 bnx2x_cl45_write(bp, params->port,
4397 ext_phy_type,
4398 ext_phy_addr,
4399 MDIO_AN_DEVAD,
4400 MDIO_AN_REG_8481_LEGACY_AN_ADV,
4401 an_10_100_val);
4402
4403 bnx2x_cl45_read(bp, params->port,
4404 ext_phy_type,
4405 ext_phy_addr,
4406 MDIO_AN_DEVAD,
4407 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
4408 &autoneg_val);
4409
4410 /* Disable forced speed */
4411 autoneg_val &= ~(1<<6|1<<13);
4412
4413 /* Enable autoneg and restart autoneg
4414 for legacy speeds */
4415 autoneg_val |= (1<<9|1<<12);
4416
4417 if (params->req_duplex == DUPLEX_FULL)
4418 autoneg_val |= (1<<8);
4419 else
4420 autoneg_val &= ~(1<<8);
4421
4422 bnx2x_cl45_write(bp, params->port,
4423 ext_phy_type,
4424 ext_phy_addr,
4425 MDIO_AN_DEVAD,
4426 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
4427 autoneg_val);
4428
4429 if (params->speed_cap_mask &
4430 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
4431 DP(NETIF_MSG_LINK, "Advertising 10G\n");
4432 /* Restart autoneg for 10G*/
Eilon Greenstein28577182009-02-12 08:37:00 +00004433 bnx2x_cl45_read(bp, params->port,
4434 ext_phy_type,
4435 ext_phy_addr,
4436 MDIO_AN_DEVAD,
4437 MDIO_AN_REG_CTRL, &val);
4438 val |= 0x200;
4439 bnx2x_cl45_write(bp, params->port,
4440 ext_phy_type,
4441 ext_phy_addr,
4442 MDIO_AN_DEVAD,
4443 MDIO_AN_REG_CTRL, val);
Eilon Greenstein2f904462009-08-12 08:22:16 +00004444 }
4445 } else {
4446 /* Force speed */
4447 u16 autoneg_ctrl, pma_ctrl;
4448 bnx2x_cl45_read(bp, params->port,
4449 ext_phy_type,
4450 ext_phy_addr,
4451 MDIO_AN_DEVAD,
4452 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
4453 &autoneg_ctrl);
4454
4455 /* Disable autoneg */
4456 autoneg_ctrl &= ~(1<<12);
4457
4458 /* Set 1000 force */
4459 switch (params->req_line_speed) {
4460 case SPEED_10000:
4461 DP(NETIF_MSG_LINK,
4462 "Unable to set 10G force !\n");
4463 break;
4464 case SPEED_1000:
4465 bnx2x_cl45_read(bp, params->port,
4466 ext_phy_type,
4467 ext_phy_addr,
4468 MDIO_PMA_DEVAD,
4469 MDIO_PMA_REG_CTRL,
4470 &pma_ctrl);
4471 autoneg_ctrl &= ~(1<<13);
4472 autoneg_ctrl |= (1<<6);
4473 pma_ctrl &= ~(1<<13);
4474 pma_ctrl |= (1<<6);
4475 DP(NETIF_MSG_LINK,
4476 "Setting 1000M force\n");
4477 bnx2x_cl45_write(bp, params->port,
4478 ext_phy_type,
4479 ext_phy_addr,
4480 MDIO_PMA_DEVAD,
4481 MDIO_PMA_REG_CTRL,
4482 pma_ctrl);
4483 break;
4484 case SPEED_100:
4485 autoneg_ctrl |= (1<<13);
4486 autoneg_ctrl &= ~(1<<6);
4487 DP(NETIF_MSG_LINK,
4488 "Setting 100M force\n");
4489 break;
4490 case SPEED_10:
4491 autoneg_ctrl &= ~(1<<13);
4492 autoneg_ctrl &= ~(1<<6);
4493 DP(NETIF_MSG_LINK,
4494 "Setting 10M force\n");
4495 break;
4496 }
4497
4498 /* Duplex mode */
4499 if (params->req_duplex == DUPLEX_FULL) {
4500 autoneg_ctrl |= (1<<8);
4501 DP(NETIF_MSG_LINK,
4502 "Setting full duplex\n");
4503 } else
4504 autoneg_ctrl &= ~(1<<8);
4505
4506 /* Update autoneg ctrl and pma ctrl */
4507 bnx2x_cl45_write(bp, params->port,
4508 ext_phy_type,
4509 ext_phy_addr,
4510 MDIO_AN_DEVAD,
4511 MDIO_AN_REG_8481_LEGACY_MII_CTRL,
4512 autoneg_ctrl);
4513 }
Eilon Greenstein28577182009-02-12 08:37:00 +00004514
Eilon Greensteinb1607af2009-08-12 08:22:54 +00004515 /* Save spirom version */
4516 bnx2x_save_8481_spirom_version(bp, params->port,
4517 ext_phy_addr,
4518 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004519 break;
4520 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
4521 DP(NETIF_MSG_LINK,
4522 "XGXS PHY Failure detected 0x%x\n",
4523 params->ext_phy_config);
4524 rc = -EINVAL;
4525 break;
4526 default:
4527 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
4528 params->ext_phy_config);
4529 rc = -EINVAL;
4530 break;
4531 }
4532
4533 } else { /* SerDes */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004534
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004535 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
4536 switch (ext_phy_type) {
4537 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
4538 DP(NETIF_MSG_LINK, "SerDes Direct\n");
4539 break;
4540
4541 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
4542 DP(NETIF_MSG_LINK, "SerDes 5482\n");
4543 break;
4544
4545 default:
4546 DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
4547 params->ext_phy_config);
4548 break;
4549 }
4550 }
4551 return rc;
4552}
4553
Eilon Greenstein4d295db2009-07-21 05:47:47 +00004554static void bnx2x_8727_handle_mod_abs(struct link_params *params)
4555{
4556 struct bnx2x *bp = params->bp;
4557 u16 mod_abs, rx_alarm_status;
4558 u8 ext_phy_addr = ((params->ext_phy_config &
4559 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
4560 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
4561 u32 val = REG_RD(bp, params->shmem_base +
4562 offsetof(struct shmem_region, dev_info.
4563 port_feature_config[params->port].
4564 config));
4565 bnx2x_cl45_read(bp, params->port,
4566 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4567 ext_phy_addr,
4568 MDIO_PMA_DEVAD,
4569 MDIO_PMA_REG_PHY_IDENTIFIER, &mod_abs);
4570 if (mod_abs & (1<<8)) {
4571
4572 /* Module is absent */
4573 DP(NETIF_MSG_LINK, "MOD_ABS indication "
4574 "show module is absent\n");
4575
4576 /* 1. Set mod_abs to detect next module
4577 presence event
4578 2. Set EDC off by setting OPTXLOS signal input to low
4579 (bit 9).
4580 When the EDC is off it locks onto a reference clock and
4581 avoids becoming 'lost'.*/
4582 mod_abs &= ~((1<<8)|(1<<9));
4583 bnx2x_cl45_write(bp, params->port,
4584 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4585 ext_phy_addr,
4586 MDIO_PMA_DEVAD,
4587 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
4588
4589 /* Clear RX alarm since it stays up as long as
4590 the mod_abs wasn't changed */
4591 bnx2x_cl45_read(bp, params->port,
4592 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4593 ext_phy_addr,
4594 MDIO_PMA_DEVAD,
4595 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
4596
4597 } else {
4598 /* Module is present */
4599 DP(NETIF_MSG_LINK, "MOD_ABS indication "
4600 "show module is present\n");
4601 /* First thing, disable transmitter,
4602 and if the module is ok, the
4603 module_detection will enable it*/
4604
4605 /* 1. Set mod_abs to detect next module
4606 absent event ( bit 8)
4607 2. Restore the default polarity of the OPRXLOS signal and
4608 this signal will then correctly indicate the presence or
4609 absence of the Rx signal. (bit 9) */
4610 mod_abs |= ((1<<8)|(1<<9));
4611 bnx2x_cl45_write(bp, params->port,
4612 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4613 ext_phy_addr,
4614 MDIO_PMA_DEVAD,
4615 MDIO_PMA_REG_PHY_IDENTIFIER, mod_abs);
4616
4617 /* Clear RX alarm since it stays up as long as
4618 the mod_abs wasn't changed. This is need to be done
4619 before calling the module detection, otherwise it will clear
4620 the link update alarm */
4621 bnx2x_cl45_read(bp, params->port,
4622 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4623 ext_phy_addr,
4624 MDIO_PMA_DEVAD,
4625 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
4626
4627
4628 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
4629 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
4630 bnx2x_sfp_set_transmitter(bp, params->port,
4631 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
4632 ext_phy_addr, 0);
4633
4634 if (bnx2x_wait_for_sfp_module_initialized(params)
4635 == 0)
4636 bnx2x_sfp_module_detection(params);
4637 else
4638 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
4639 }
4640
4641 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
4642 rx_alarm_status);
4643 /* No need to check link status in case of
4644 module plugged in/out */
4645}
4646
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004647
4648static u8 bnx2x_ext_phy_is_link_up(struct link_params *params,
Eilon Greenstein2f904462009-08-12 08:22:16 +00004649 struct link_vars *vars,
4650 u8 is_mi_int)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004651{
4652 struct bnx2x *bp = params->bp;
4653 u32 ext_phy_type;
4654 u8 ext_phy_addr;
4655 u16 val1 = 0, val2;
4656 u16 rx_sd, pcs_status;
4657 u8 ext_phy_link_up = 0;
4658 u8 port = params->port;
4659 if (vars->phy_flags & PHY_XGXS_FLAG) {
4660 ext_phy_addr = ((params->ext_phy_config &
4661 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
4662 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
4663
4664 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
4665 switch (ext_phy_type) {
4666 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
4667 DP(NETIF_MSG_LINK, "XGXS Direct\n");
4668 ext_phy_link_up = 1;
4669 break;
4670
4671 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
4672 DP(NETIF_MSG_LINK, "XGXS 8705\n");
4673 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4674 ext_phy_addr,
4675 MDIO_WIS_DEVAD,
4676 MDIO_WIS_REG_LASI_STATUS, &val1);
4677 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4678
4679 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4680 ext_phy_addr,
4681 MDIO_WIS_DEVAD,
4682 MDIO_WIS_REG_LASI_STATUS, &val1);
4683 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
4684
4685 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4686 ext_phy_addr,
4687 MDIO_PMA_DEVAD,
4688 MDIO_PMA_REG_RX_SD, &rx_sd);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00004689
4690 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4691 ext_phy_addr,
4692 1,
4693 0xc809, &val1);
4694 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4695 ext_phy_addr,
4696 1,
4697 0xc809, &val1);
4698
4699 DP(NETIF_MSG_LINK, "8705 1.c809 val=0x%x\n", val1);
4700 ext_phy_link_up = ((rx_sd & 0x1) && (val1 & (1<<9))
4701 && ((val1 & (1<<8)) == 0));
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004702 if (ext_phy_link_up)
4703 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004704 break;
4705
4706 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greenstein589abe32009-02-12 08:36:55 +00004707 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
4708 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
4709 /* Clear RX Alarm*/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004710 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4711 ext_phy_addr,
Eilon Greenstein589abe32009-02-12 08:36:55 +00004712 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
4713 &val2);
4714 /* clear LASI indication*/
4715 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4716 ext_phy_addr,
4717 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
4718 &val1);
4719 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4720 ext_phy_addr,
4721 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
4722 &val2);
4723 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x-->"
4724 "0x%x\n", val1, val2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004725
4726 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4727 ext_phy_addr,
Eilon Greenstein589abe32009-02-12 08:36:55 +00004728 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD,
4729 &rx_sd);
4730 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4731 ext_phy_addr,
4732 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS,
4733 &pcs_status);
4734 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4735 ext_phy_addr,
4736 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
4737 &val2);
4738 bnx2x_cl45_read(bp, params->port, ext_phy_type,
4739 ext_phy_addr,
4740 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
4741 &val2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004742
Eilon Greenstein589abe32009-02-12 08:36:55 +00004743 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x"
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004744 " pcs_status 0x%x 1Gbps link_status 0x%x\n",
4745 rx_sd, pcs_status, val2);
4746 /* link is up if both bit 0 of pmd_rx_sd and
4747 * bit 0 of pcs_status are set, or if the autoneg bit
4748 1 is set
4749 */
4750 ext_phy_link_up = ((rx_sd & pcs_status & 0x1) ||
4751 (val2 & (1<<1)));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004752 if (ext_phy_link_up) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00004753 if (ext_phy_type ==
4754 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
4755 /* If transmitter is disabled,
4756 ignore false link up indication */
4757 bnx2x_cl45_read(bp, params->port,
4758 ext_phy_type,
4759 ext_phy_addr,
4760 MDIO_PMA_DEVAD,
4761 MDIO_PMA_REG_PHY_IDENTIFIER,
4762 &val1);
4763 if (val1 & (1<<15)) {
4764 DP(NETIF_MSG_LINK, "Tx is "
4765 "disabled\n");
4766 ext_phy_link_up = 0;
4767 break;
4768 }
4769 }
4770
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004771 if (val2 & (1<<1))
4772 vars->line_speed = SPEED_1000;
4773 else
4774 vars->line_speed = SPEED_10000;
4775 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004776 break;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00004777
4778 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
4779 {
4780 u16 link_status = 0;
4781 u16 rx_alarm_status;
4782 /* Check the LASI */
4783 bnx2x_cl45_read(bp, params->port,
4784 ext_phy_type,
4785 ext_phy_addr,
4786 MDIO_PMA_DEVAD,
4787 MDIO_PMA_REG_RX_ALARM, &rx_alarm_status);
4788
4789 DP(NETIF_MSG_LINK, "8727 RX_ALARM_STATUS 0x%x\n",
4790 rx_alarm_status);
4791
4792 bnx2x_cl45_read(bp, params->port,
4793 ext_phy_type,
4794 ext_phy_addr,
4795 MDIO_PMA_DEVAD,
4796 MDIO_PMA_REG_LASI_STATUS, &val1);
4797
4798 DP(NETIF_MSG_LINK,
4799 "8727 LASI status 0x%x\n",
4800 val1);
4801
4802 /* Clear MSG-OUT */
4803 bnx2x_cl45_read(bp, params->port,
4804 ext_phy_type,
4805 ext_phy_addr,
4806 MDIO_PMA_DEVAD,
4807 MDIO_PMA_REG_M8051_MSGOUT_REG,
4808 &val1);
4809
4810 /*
4811 * If a module is present and there is need to check
4812 * for over current
4813 */
4814 if (!(params->feature_config_flags &
4815 FEATURE_CONFIG_BCM8727_NOC) &&
4816 !(rx_alarm_status & (1<<5))) {
4817 /* Check over-current using 8727 GPIO0 input*/
4818 bnx2x_cl45_read(bp, params->port,
4819 ext_phy_type,
4820 ext_phy_addr,
4821 MDIO_PMA_DEVAD,
4822 MDIO_PMA_REG_8727_GPIO_CTRL,
4823 &val1);
4824
4825 if ((val1 & (1<<8)) == 0) {
4826 DP(NETIF_MSG_LINK, "8727 Power fault"
4827 " has been detected on port"
4828 " %d\n", params->port);
4829 printk(KERN_ERR PFX "Error: Power"
4830 " fault on %s Port %d has"
4831 " been detected and the"
4832 " power to that SFP+ module"
4833 " has been removed to prevent"
4834 " failure of the card. Please"
4835 " remove the SFP+ module and"
4836 " restart the system to clear"
4837 " this error.\n"
4838 , bp->dev->name, params->port);
4839 /*
4840 * Disable all RX_ALARMs except for
4841 * mod_abs
4842 */
4843 bnx2x_cl45_write(bp, params->port,
4844 ext_phy_type,
4845 ext_phy_addr,
4846 MDIO_PMA_DEVAD,
4847 MDIO_PMA_REG_RX_ALARM_CTRL,
4848 (1<<5));
4849
4850 bnx2x_cl45_read(bp, params->port,
4851 ext_phy_type,
4852 ext_phy_addr,
4853 MDIO_PMA_DEVAD,
4854 MDIO_PMA_REG_PHY_IDENTIFIER,
4855 &val1);
4856 /* Wait for module_absent_event */
4857 val1 |= (1<<8);
4858 bnx2x_cl45_write(bp, params->port,
4859 ext_phy_type,
4860 ext_phy_addr,
4861 MDIO_PMA_DEVAD,
4862 MDIO_PMA_REG_PHY_IDENTIFIER,
4863 val1);
4864 /* Clear RX alarm */
4865 bnx2x_cl45_read(bp, params->port,
4866 ext_phy_type,
4867 ext_phy_addr,
4868 MDIO_PMA_DEVAD,
4869 MDIO_PMA_REG_RX_ALARM,
4870 &rx_alarm_status);
4871 break;
4872 }
4873 } /* Over current check */
4874
4875 /* When module absent bit is set, check module */
4876 if (rx_alarm_status & (1<<5)) {
4877 bnx2x_8727_handle_mod_abs(params);
4878 /* Enable all mod_abs and link detection bits */
4879 bnx2x_cl45_write(bp, params->port,
4880 ext_phy_type,
4881 ext_phy_addr,
4882 MDIO_PMA_DEVAD,
4883 MDIO_PMA_REG_RX_ALARM_CTRL,
4884 ((1<<5) | (1<<2)));
4885 }
4886
4887 /* If transmitter is disabled,
4888 ignore false link up indication */
4889 bnx2x_cl45_read(bp, params->port,
4890 ext_phy_type,
4891 ext_phy_addr,
4892 MDIO_PMA_DEVAD,
4893 MDIO_PMA_REG_PHY_IDENTIFIER,
4894 &val1);
4895 if (val1 & (1<<15)) {
4896 DP(NETIF_MSG_LINK, "Tx is disabled\n");
4897 ext_phy_link_up = 0;
4898 break;
4899 }
4900
4901 bnx2x_cl45_read(bp, params->port,
4902 ext_phy_type,
4903 ext_phy_addr,
4904 MDIO_PMA_DEVAD,
4905 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
4906 &link_status);
4907
4908 /* Bits 0..2 --> speed detected,
4909 bits 13..15--> link is down */
4910 if ((link_status & (1<<2)) &&
4911 (!(link_status & (1<<15)))) {
4912 ext_phy_link_up = 1;
4913 vars->line_speed = SPEED_10000;
4914 } else if ((link_status & (1<<0)) &&
4915 (!(link_status & (1<<13)))) {
4916 ext_phy_link_up = 1;
4917 vars->line_speed = SPEED_1000;
4918 DP(NETIF_MSG_LINK,
4919 "port %x: External link"
4920 " up in 1G\n", params->port);
4921 } else {
4922 ext_phy_link_up = 0;
4923 DP(NETIF_MSG_LINK,
4924 "port %x: External link"
4925 " is down\n", params->port);
4926 }
4927 break;
4928 }
4929
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004930 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
4931 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
4932 {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004933 u16 link_status = 0;
4934 u16 an1000_status = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004935 if (ext_phy_type ==
4936 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
4937 bnx2x_cl45_read(bp, params->port,
4938 ext_phy_type,
4939 ext_phy_addr,
4940 MDIO_PCS_DEVAD,
4941 MDIO_PCS_REG_LASI_STATUS, &val1);
4942 bnx2x_cl45_read(bp, params->port,
4943 ext_phy_type,
4944 ext_phy_addr,
4945 MDIO_PCS_DEVAD,
4946 MDIO_PCS_REG_LASI_STATUS, &val2);
4947 DP(NETIF_MSG_LINK,
4948 "870x LASI status 0x%x->0x%x\n",
4949 val1, val2);
4950
4951 } else {
4952 /* In 8073, port1 is directed through emac0 and
4953 * port0 is directed through emac1
4954 */
4955 bnx2x_cl45_read(bp, params->port,
4956 ext_phy_type,
4957 ext_phy_addr,
4958 MDIO_PMA_DEVAD,
4959 MDIO_PMA_REG_LASI_STATUS, &val1);
4960
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004961 DP(NETIF_MSG_LINK,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004962 "8703 LASI status 0x%x\n",
4963 val1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004964 }
4965
4966 /* clear the interrupt LASI status register */
4967 bnx2x_cl45_read(bp, params->port,
4968 ext_phy_type,
4969 ext_phy_addr,
4970 MDIO_PCS_DEVAD,
4971 MDIO_PCS_REG_STATUS, &val2);
4972 bnx2x_cl45_read(bp, params->port,
4973 ext_phy_type,
4974 ext_phy_addr,
4975 MDIO_PCS_DEVAD,
4976 MDIO_PCS_REG_STATUS, &val1);
4977 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n",
4978 val2, val1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004979 /* Clear MSG-OUT */
4980 bnx2x_cl45_read(bp, params->port,
4981 ext_phy_type,
4982 ext_phy_addr,
4983 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00004984 MDIO_PMA_REG_M8051_MSGOUT_REG,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004985 &val1);
4986
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004987 /* Check the LASI */
4988 bnx2x_cl45_read(bp, params->port,
4989 ext_phy_type,
4990 ext_phy_addr,
4991 MDIO_PMA_DEVAD,
4992 MDIO_PMA_REG_RX_ALARM, &val2);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07004993
4994 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
4995
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004996 /* Check the link status */
4997 bnx2x_cl45_read(bp, params->port,
4998 ext_phy_type,
4999 ext_phy_addr,
5000 MDIO_PCS_DEVAD,
5001 MDIO_PCS_REG_STATUS, &val2);
5002 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
5003
5004 bnx2x_cl45_read(bp, params->port,
5005 ext_phy_type,
5006 ext_phy_addr,
5007 MDIO_PMA_DEVAD,
5008 MDIO_PMA_REG_STATUS, &val2);
5009 bnx2x_cl45_read(bp, params->port,
5010 ext_phy_type,
5011 ext_phy_addr,
5012 MDIO_PMA_DEVAD,
5013 MDIO_PMA_REG_STATUS, &val1);
5014 ext_phy_link_up = ((val1 & 4) == 4);
5015 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
5016 if (ext_phy_type ==
5017 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005018
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005019 if (ext_phy_link_up &&
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005020 ((params->req_line_speed !=
5021 SPEED_10000))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005022 if (bnx2x_bcm8073_xaui_wa(params)
5023 != 0) {
5024 ext_phy_link_up = 0;
5025 break;
5026 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005027 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005028 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00005029 ext_phy_type,
5030 ext_phy_addr,
5031 MDIO_AN_DEVAD,
5032 MDIO_AN_REG_LINK_STATUS,
5033 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005034 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00005035 ext_phy_type,
5036 ext_phy_addr,
5037 MDIO_AN_DEVAD,
5038 MDIO_AN_REG_LINK_STATUS,
5039 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005040
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005041 /* Check the link status on 1.1.2 */
5042 bnx2x_cl45_read(bp, params->port,
5043 ext_phy_type,
5044 ext_phy_addr,
5045 MDIO_PMA_DEVAD,
5046 MDIO_PMA_REG_STATUS, &val2);
5047 bnx2x_cl45_read(bp, params->port,
5048 ext_phy_type,
5049 ext_phy_addr,
5050 MDIO_PMA_DEVAD,
5051 MDIO_PMA_REG_STATUS, &val1);
5052 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
5053 "an_link_status=0x%x\n",
5054 val2, val1, an1000_status);
5055
Eilon Greenstein356e2382009-02-12 08:38:32 +00005056 ext_phy_link_up = (((val1 & 4) == 4) ||
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005057 (an1000_status & (1<<1)));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005058 if (ext_phy_link_up &&
5059 bnx2x_8073_is_snr_needed(params)) {
5060 /* The SNR will improve about 2dbby
5061 changing the BW and FEE main tap.*/
5062
5063 /* The 1st write to change FFE main
5064 tap is set before restart AN */
5065 /* Change PLL Bandwidth in EDC
5066 register */
5067 bnx2x_cl45_write(bp, port, ext_phy_type,
5068 ext_phy_addr,
5069 MDIO_PMA_DEVAD,
5070 MDIO_PMA_REG_PLL_BANDWIDTH,
5071 0x26BC);
5072
5073 /* Change CDR Bandwidth in EDC
5074 register */
5075 bnx2x_cl45_write(bp, port, ext_phy_type,
5076 ext_phy_addr,
5077 MDIO_PMA_DEVAD,
5078 MDIO_PMA_REG_CDR_BANDWIDTH,
5079 0x0333);
5080
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005081
5082 }
5083 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00005084 ext_phy_type,
5085 ext_phy_addr,
5086 MDIO_PMA_DEVAD,
5087 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
5088 &link_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005089
5090 /* Bits 0..2 --> speed detected,
5091 bits 13..15--> link is down */
5092 if ((link_status & (1<<2)) &&
5093 (!(link_status & (1<<15)))) {
5094 ext_phy_link_up = 1;
5095 vars->line_speed = SPEED_10000;
5096 DP(NETIF_MSG_LINK,
5097 "port %x: External link"
5098 " up in 10G\n", params->port);
5099 } else if ((link_status & (1<<1)) &&
5100 (!(link_status & (1<<14)))) {
5101 ext_phy_link_up = 1;
5102 vars->line_speed = SPEED_2500;
5103 DP(NETIF_MSG_LINK,
5104 "port %x: External link"
5105 " up in 2.5G\n", params->port);
5106 } else if ((link_status & (1<<0)) &&
5107 (!(link_status & (1<<13)))) {
5108 ext_phy_link_up = 1;
5109 vars->line_speed = SPEED_1000;
5110 DP(NETIF_MSG_LINK,
5111 "port %x: External link"
5112 " up in 1G\n", params->port);
5113 } else {
5114 ext_phy_link_up = 0;
5115 DP(NETIF_MSG_LINK,
5116 "port %x: External link"
5117 " is down\n", params->port);
5118 }
5119 } else {
5120 /* See if 1G link is up for the 8072 */
5121 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00005122 ext_phy_type,
5123 ext_phy_addr,
5124 MDIO_AN_DEVAD,
5125 MDIO_AN_REG_LINK_STATUS,
5126 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005127 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00005128 ext_phy_type,
5129 ext_phy_addr,
5130 MDIO_AN_DEVAD,
5131 MDIO_AN_REG_LINK_STATUS,
5132 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005133 if (an1000_status & (1<<1)) {
5134 ext_phy_link_up = 1;
5135 vars->line_speed = SPEED_1000;
5136 DP(NETIF_MSG_LINK,
5137 "port %x: External link"
5138 " up in 1G\n", params->port);
5139 } else if (ext_phy_link_up) {
5140 ext_phy_link_up = 1;
5141 vars->line_speed = SPEED_10000;
5142 DP(NETIF_MSG_LINK,
5143 "port %x: External link"
5144 " up in 10G\n", params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005145 }
5146 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005147
5148
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005149 break;
5150 }
5151 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
5152 bnx2x_cl45_read(bp, params->port, ext_phy_type,
5153 ext_phy_addr,
5154 MDIO_PMA_DEVAD,
5155 MDIO_PMA_REG_LASI_STATUS, &val2);
5156 bnx2x_cl45_read(bp, params->port, ext_phy_type,
5157 ext_phy_addr,
5158 MDIO_PMA_DEVAD,
5159 MDIO_PMA_REG_LASI_STATUS, &val1);
5160 DP(NETIF_MSG_LINK,
5161 "10G-base-T LASI status 0x%x->0x%x\n",
5162 val2, val1);
5163 bnx2x_cl45_read(bp, params->port, ext_phy_type,
5164 ext_phy_addr,
5165 MDIO_PMA_DEVAD,
5166 MDIO_PMA_REG_STATUS, &val2);
5167 bnx2x_cl45_read(bp, params->port, ext_phy_type,
5168 ext_phy_addr,
5169 MDIO_PMA_DEVAD,
5170 MDIO_PMA_REG_STATUS, &val1);
5171 DP(NETIF_MSG_LINK,
5172 "10G-base-T PMA status 0x%x->0x%x\n",
5173 val2, val1);
5174 ext_phy_link_up = ((val1 & 4) == 4);
5175 /* if link is up
5176 * print the AN outcome of the SFX7101 PHY
5177 */
5178 if (ext_phy_link_up) {
5179 bnx2x_cl45_read(bp, params->port,
5180 ext_phy_type,
5181 ext_phy_addr,
5182 MDIO_AN_DEVAD,
5183 MDIO_AN_REG_MASTER_STATUS,
5184 &val2);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005185 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005186 DP(NETIF_MSG_LINK,
5187 "SFX7101 AN status 0x%x->Master=%x\n",
5188 val2,
5189 (val2 & (1<<14)));
5190 }
5191 break;
Eilon Greenstein28577182009-02-12 08:37:00 +00005192 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
Eilon Greenstein2f904462009-08-12 08:22:16 +00005193 /* Check 10G-BaseT link status */
5194 /* Check PMD signal ok */
5195 bnx2x_cl45_read(bp, params->port, ext_phy_type,
5196 ext_phy_addr,
5197 MDIO_AN_DEVAD,
5198 0xFFFA,
5199 &val1);
5200 bnx2x_cl45_read(bp, params->port, ext_phy_type,
Eilon Greenstein28577182009-02-12 08:37:00 +00005201 ext_phy_addr,
5202 MDIO_PMA_DEVAD,
Eilon Greenstein2f904462009-08-12 08:22:16 +00005203 MDIO_PMA_REG_8481_PMD_SIGNAL,
5204 &val2);
5205 DP(NETIF_MSG_LINK, "PMD_SIGNAL 1.a811 = 0x%x\n", val2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005206
Eilon Greenstein2f904462009-08-12 08:22:16 +00005207 /* Check link 10G */
5208 if (val2 & (1<<11)) {
Eilon Greenstein28577182009-02-12 08:37:00 +00005209 vars->line_speed = SPEED_10000;
5210 ext_phy_link_up = 1;
Eilon Greenstein2f904462009-08-12 08:22:16 +00005211 bnx2x_8481_set_10G_led_mode(params,
5212 ext_phy_type,
5213 ext_phy_addr);
5214 } else { /* Check Legacy speed link */
5215 u16 legacy_status, legacy_speed;
Eilon Greenstein28577182009-02-12 08:37:00 +00005216
Eilon Greenstein2f904462009-08-12 08:22:16 +00005217 /* Enable expansion register 0x42
5218 (Operation mode status) */
5219 bnx2x_cl45_write(bp, params->port,
5220 ext_phy_type,
5221 ext_phy_addr,
5222 MDIO_AN_DEVAD,
5223 MDIO_AN_REG_8481_EXPANSION_REG_ACCESS,
5224 0xf42);
Eilon Greenstein28577182009-02-12 08:37:00 +00005225
Eilon Greenstein2f904462009-08-12 08:22:16 +00005226 /* Get legacy speed operation status */
5227 bnx2x_cl45_read(bp, params->port,
5228 ext_phy_type,
5229 ext_phy_addr,
5230 MDIO_AN_DEVAD,
5231 MDIO_AN_REG_8481_EXPANSION_REG_RD_RW,
5232 &legacy_status);
5233
5234 DP(NETIF_MSG_LINK, "Legacy speed status"
5235 " = 0x%x\n", legacy_status);
5236 ext_phy_link_up = ((legacy_status & (1<<11))
5237 == (1<<11));
5238 if (ext_phy_link_up) {
5239 legacy_speed = (legacy_status & (3<<9));
5240 if (legacy_speed == (0<<9))
5241 vars->line_speed = SPEED_10;
5242 else if (legacy_speed == (1<<9))
5243 vars->line_speed =
5244 SPEED_100;
5245 else if (legacy_speed == (2<<9))
5246 vars->line_speed =
5247 SPEED_1000;
5248 else /* Should not happen */
5249 vars->line_speed = 0;
5250
5251 if (legacy_status & (1<<8))
5252 vars->duplex = DUPLEX_FULL;
5253 else
5254 vars->duplex = DUPLEX_HALF;
5255
5256 DP(NETIF_MSG_LINK, "Link is up "
5257 "in %dMbps, is_duplex_full"
5258 "= %d\n",
5259 vars->line_speed,
5260 (vars->duplex == DUPLEX_FULL));
5261 bnx2x_8481_set_legacy_led_mode(params,
5262 ext_phy_type,
5263 ext_phy_addr);
Eilon Greenstein28577182009-02-12 08:37:00 +00005264 }
5265 }
5266
5267 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005268 default:
5269 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
5270 params->ext_phy_config);
5271 ext_phy_link_up = 0;
5272 break;
5273 }
5274
5275 } else { /* SerDes */
5276 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
5277 switch (ext_phy_type) {
5278 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
5279 DP(NETIF_MSG_LINK, "SerDes Direct\n");
5280 ext_phy_link_up = 1;
5281 break;
5282
5283 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
5284 DP(NETIF_MSG_LINK, "SerDes 5482\n");
5285 ext_phy_link_up = 1;
5286 break;
5287
5288 default:
5289 DP(NETIF_MSG_LINK,
5290 "BAD SerDes ext_phy_config 0x%x\n",
5291 params->ext_phy_config);
5292 ext_phy_link_up = 0;
5293 break;
5294 }
5295 }
5296
5297 return ext_phy_link_up;
5298}
5299
5300static void bnx2x_link_int_enable(struct link_params *params)
5301{
5302 u8 port = params->port;
5303 u32 ext_phy_type;
5304 u32 mask;
5305 struct bnx2x *bp = params->bp;
5306 /* setting the status to report on link up
5307 for either XGXS or SerDes */
5308
5309 if (params->switch_cfg == SWITCH_CFG_10G) {
5310 mask = (NIG_MASK_XGXS0_LINK10G |
5311 NIG_MASK_XGXS0_LINK_STATUS);
5312 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
5313 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
5314 if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
5315 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
5316 (ext_phy_type !=
5317 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) {
5318 mask |= NIG_MASK_MI_INT;
5319 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5320 }
5321
5322 } else { /* SerDes */
5323 mask = NIG_MASK_SERDES0_LINK_STATUS;
5324 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
5325 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
5326 if ((ext_phy_type !=
5327 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
5328 (ext_phy_type !=
5329 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN)) {
5330 mask |= NIG_MASK_MI_INT;
5331 DP(NETIF_MSG_LINK, "enabled external phy int\n");
5332 }
5333 }
5334 bnx2x_bits_en(bp,
5335 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5336 mask);
5337 DP(NETIF_MSG_LINK, "port %x, is_xgxs=%x, int_status 0x%x\n", port,
5338 (params->switch_cfg == SWITCH_CFG_10G),
5339 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5340
5341 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
5342 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5343 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5344 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
5345 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5346 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5347 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5348}
5349
Eilon Greenstein2f904462009-08-12 08:22:16 +00005350static void bnx2x_8481_rearm_latch_signal(struct bnx2x *bp, u8 port,
5351 u8 is_mi_int)
5352{
5353 u32 latch_status = 0, is_mi_int_status;
5354 /* Disable the MI INT ( external phy int )
5355 * by writing 1 to the status register. Link down indication
5356 * is high-active-signal, so in this case we need to write the
5357 * status to clear the XOR
5358 */
5359 /* Read Latched signals */
5360 latch_status = REG_RD(bp,
5361 NIG_REG_LATCH_STATUS_0 + port*8);
5362 is_mi_int_status = REG_RD(bp,
5363 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4);
5364 DP(NETIF_MSG_LINK, "original_signal = 0x%x, nig_status = 0x%x,"
5365 "latch_status = 0x%x\n",
5366 is_mi_int, is_mi_int_status, latch_status);
5367 /* Handle only those with latched-signal=up.*/
5368 if (latch_status & 1) {
5369 /* For all latched-signal=up,Write original_signal to status */
5370 if (is_mi_int)
5371 bnx2x_bits_en(bp,
5372 NIG_REG_STATUS_INTERRUPT_PORT0
5373 + port*4,
5374 NIG_STATUS_EMAC0_MI_INT);
5375 else
5376 bnx2x_bits_dis(bp,
5377 NIG_REG_STATUS_INTERRUPT_PORT0
5378 + port*4,
5379 NIG_STATUS_EMAC0_MI_INT);
5380 /* For all latched-signal=up : Re-Arm Latch signals */
5381 REG_WR(bp, NIG_REG_LATCH_STATUS_0 + port*8,
5382 (latch_status & 0xfffe) | (latch_status & 1));
5383 }
5384}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005385/*
5386 * link management
5387 */
5388static void bnx2x_link_int_ack(struct link_params *params,
Eilon Greenstein2f904462009-08-12 08:22:16 +00005389 struct link_vars *vars, u8 is_10g,
5390 u8 is_mi_int)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005391{
5392 struct bnx2x *bp = params->bp;
5393 u8 port = params->port;
5394
5395 /* first reset all status
5396 * we assume only one line will be change at a time */
5397 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5398 (NIG_STATUS_XGXS0_LINK10G |
5399 NIG_STATUS_XGXS0_LINK_STATUS |
5400 NIG_STATUS_SERDES0_LINK_STATUS));
Eilon Greenstein2f904462009-08-12 08:22:16 +00005401 if (XGXS_EXT_PHY_TYPE(params->ext_phy_config)
5402 == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481) {
5403 bnx2x_8481_rearm_latch_signal(bp, port, is_mi_int);
5404 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005405 if (vars->phy_link_up) {
5406 if (is_10g) {
5407 /* Disable the 10G link interrupt
5408 * by writing 1 to the status register
5409 */
5410 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
5411 bnx2x_bits_en(bp,
5412 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5413 NIG_STATUS_XGXS0_LINK10G);
5414
5415 } else if (params->switch_cfg == SWITCH_CFG_10G) {
5416 /* Disable the link interrupt
5417 * by writing 1 to the relevant lane
5418 * in the status register
5419 */
5420 u32 ser_lane = ((params->lane_config &
5421 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
5422 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
5423
Eilon Greenstein2f904462009-08-12 08:22:16 +00005424 DP(NETIF_MSG_LINK, "%d speed XGXS phy link up\n",
5425 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005426 bnx2x_bits_en(bp,
5427 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5428 ((1 << ser_lane) <<
5429 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
5430
5431 } else { /* SerDes */
5432 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
5433 /* Disable the link interrupt
5434 * by writing 1 to the status register
5435 */
5436 bnx2x_bits_en(bp,
5437 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
5438 NIG_STATUS_SERDES0_LINK_STATUS);
5439 }
5440
5441 } else { /* link_down */
5442 }
5443}
5444
5445static u8 bnx2x_format_ver(u32 num, u8 *str, u16 len)
5446{
5447 u8 *str_ptr = str;
5448 u32 mask = 0xf0000000;
5449 u8 shift = 8*4;
5450 u8 digit;
5451 if (len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02005452 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005453 *str_ptr = '\0';
5454 return -EINVAL;
5455 }
5456 while (shift > 0) {
5457
5458 shift -= 4;
5459 digit = ((num & mask) >> shift);
5460 if (digit < 0xa)
5461 *str_ptr = digit + '0';
5462 else
5463 *str_ptr = digit - 0xa + 'a';
5464 str_ptr++;
5465 mask = mask >> 4;
5466 if (shift == 4*4) {
5467 *str_ptr = ':';
5468 str_ptr++;
5469 }
5470 }
5471 *str_ptr = '\0';
5472 return 0;
5473}
5474
5475
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005476static void bnx2x_turn_on_ef(struct bnx2x *bp, u8 port, u8 ext_phy_addr,
5477 u32 ext_phy_type)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005478{
5479 u32 cnt = 0;
5480 u16 ctrl = 0;
5481 /* Enable EMAC0 in to enable MDIO */
5482 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
5483 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
5484 msleep(5);
5485
5486 /* take ext phy out of reset */
5487 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005488 MISC_REGISTERS_GPIO_2,
5489 MISC_REGISTERS_GPIO_HIGH,
5490 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005491
5492 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005493 MISC_REGISTERS_GPIO_1,
5494 MISC_REGISTERS_GPIO_HIGH,
5495 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005496
5497 /* wait for 5ms */
5498 msleep(5);
5499
5500 for (cnt = 0; cnt < 1000; cnt++) {
5501 msleep(1);
5502 bnx2x_cl45_read(bp, port,
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005503 ext_phy_type,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005504 ext_phy_addr,
5505 MDIO_PMA_DEVAD,
5506 MDIO_PMA_REG_CTRL,
Eilon Greenstein356e2382009-02-12 08:38:32 +00005507 &ctrl);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005508 if (!(ctrl & (1<<15))) {
5509 DP(NETIF_MSG_LINK, "Reset completed\n\n");
5510 break;
5511 }
5512 }
5513}
5514
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005515static void bnx2x_turn_off_sf(struct bnx2x *bp, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005516{
5517 /* put sf to reset */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005518 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005519 MISC_REGISTERS_GPIO_1,
5520 MISC_REGISTERS_GPIO_LOW,
5521 port);
5522 bnx2x_set_gpio(bp,
5523 MISC_REGISTERS_GPIO_2,
5524 MISC_REGISTERS_GPIO_LOW,
5525 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005526}
5527
5528u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
5529 u8 *version, u16 len)
5530{
Julia Lawall0376d5b2009-07-19 05:26:35 +00005531 struct bnx2x *bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005532 u32 ext_phy_type = 0;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005533 u32 spirom_ver = 0;
Eilon Greenstein97b41da2009-08-12 08:22:59 +00005534 u8 status;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005535
5536 if (version == NULL || params == NULL)
5537 return -EINVAL;
Julia Lawall0376d5b2009-07-19 05:26:35 +00005538 bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005539
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005540 spirom_ver = REG_RD(bp, params->shmem_base +
5541 offsetof(struct shmem_region,
5542 port_mb[params->port].ext_phy_fw_version));
5543
Eilon Greenstein97b41da2009-08-12 08:22:59 +00005544 status = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005545 /* reset the returned value to zero */
5546 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005547 switch (ext_phy_type) {
5548 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
5549
5550 if (len < 5)
5551 return -EINVAL;
5552
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005553 version[0] = (spirom_ver & 0xFF);
5554 version[1] = (spirom_ver & 0xFF00) >> 8;
5555 version[2] = (spirom_ver & 0xFF0000) >> 16;
5556 version[3] = (spirom_ver & 0xFF000000) >> 24;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005557 version[4] = '\0';
5558
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005559 break;
5560 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
5561 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005562 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005563 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greenstein589abe32009-02-12 08:36:55 +00005564 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Eilon Greensteinb1607af2009-08-12 08:22:54 +00005565 status = bnx2x_format_ver(spirom_ver, version, len);
5566 break;
Eilon Greenstein9223dea2009-03-02 08:00:15 +00005567 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
Eilon Greensteinb1607af2009-08-12 08:22:54 +00005568 spirom_ver = ((spirom_ver & 0xF80) >> 7) << 16 |
5569 (spirom_ver & 0x7F);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005570 status = bnx2x_format_ver(spirom_ver, version, len);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005571 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005572 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Eilon Greenstein97b41da2009-08-12 08:22:59 +00005573 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
5574 version[0] = '\0';
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005575 break;
5576
5577 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
5578 DP(NETIF_MSG_LINK, "bnx2x_get_ext_phy_fw_version:"
5579 " type is FAILURE!\n");
5580 status = -EINVAL;
5581 break;
5582
5583 default:
5584 break;
5585 }
5586 return status;
5587}
5588
5589static void bnx2x_set_xgxs_loopback(struct link_params *params,
5590 struct link_vars *vars,
5591 u8 is_10g)
5592{
5593 u8 port = params->port;
5594 struct bnx2x *bp = params->bp;
5595
5596 if (is_10g) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07005597 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005598
5599 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
5600
5601 /* change the uni_phy_addr in the nig */
5602 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
5603 port*0x18));
5604
5605 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
5606
5607 bnx2x_cl45_write(bp, port, 0,
5608 params->phy_addr,
5609 5,
5610 (MDIO_REG_BANK_AER_BLOCK +
5611 (MDIO_AER_BLOCK_AER_REG & 0xf)),
5612 0x2800);
5613
5614 bnx2x_cl45_write(bp, port, 0,
5615 params->phy_addr,
5616 5,
5617 (MDIO_REG_BANK_CL73_IEEEB0 +
5618 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
5619 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00005620 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005621 /* set aer mmd back */
5622 bnx2x_set_aer_mmd(params, vars);
5623
5624 /* and md_devad */
5625 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
5626 md_devad);
5627
5628 } else {
5629 u16 mii_control;
5630
5631 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
5632
5633 CL45_RD_OVER_CL22(bp, port,
5634 params->phy_addr,
5635 MDIO_REG_BANK_COMBO_IEEE0,
5636 MDIO_COMBO_IEEE0_MII_CONTROL,
5637 &mii_control);
5638
5639 CL45_WR_OVER_CL22(bp, port,
5640 params->phy_addr,
5641 MDIO_REG_BANK_COMBO_IEEE0,
5642 MDIO_COMBO_IEEE0_MII_CONTROL,
5643 (mii_control |
5644 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK));
5645 }
5646}
5647
5648
5649static void bnx2x_ext_phy_loopback(struct link_params *params)
5650{
5651 struct bnx2x *bp = params->bp;
5652 u8 ext_phy_addr;
5653 u32 ext_phy_type;
5654
5655 if (params->switch_cfg == SWITCH_CFG_10G) {
5656 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
5657 /* CL37 Autoneg Enabled */
5658 ext_phy_addr = ((params->ext_phy_config &
5659 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
5660 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
5661 switch (ext_phy_type) {
5662 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
5663 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN:
5664 DP(NETIF_MSG_LINK,
5665 "ext_phy_loopback: We should not get here\n");
5666 break;
5667 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
5668 DP(NETIF_MSG_LINK, "ext_phy_loopback: 8705\n");
5669 break;
5670 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
5671 DP(NETIF_MSG_LINK, "ext_phy_loopback: 8706\n");
5672 break;
Eilon Greenstein589abe32009-02-12 08:36:55 +00005673 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5674 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
5675 bnx2x_cl45_write(bp, params->port, ext_phy_type,
5676 ext_phy_addr,
5677 MDIO_PMA_DEVAD,
5678 MDIO_PMA_REG_CTRL,
5679 0x0001);
5680 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005681 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
5682 /* SFX7101_XGXS_TEST1 */
5683 bnx2x_cl45_write(bp, params->port, ext_phy_type,
5684 ext_phy_addr,
5685 MDIO_XS_DEVAD,
5686 MDIO_XS_SFX7101_XGXS_TEST1,
5687 0x100);
5688 DP(NETIF_MSG_LINK,
5689 "ext_phy_loopback: set ext phy loopback\n");
5690 break;
5691 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
5692
5693 break;
5694 } /* switch external PHY type */
5695 } else {
5696 /* serdes */
5697 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
5698 ext_phy_addr = (params->ext_phy_config &
5699 PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK)
5700 >> PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT;
5701 }
5702}
5703
5704
5705/*
5706 *------------------------------------------------------------------------
5707 * bnx2x_override_led_value -
5708 *
5709 * Override the led value of the requsted led
5710 *
5711 *------------------------------------------------------------------------
5712 */
5713u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port,
5714 u32 led_idx, u32 value)
5715{
5716 u32 reg_val;
5717
5718 /* If port 0 then use EMAC0, else use EMAC1*/
5719 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
5720
5721 DP(NETIF_MSG_LINK,
5722 "bnx2x_override_led_value() port %x led_idx %d value %d\n",
5723 port, led_idx, value);
5724
5725 switch (led_idx) {
5726 case 0: /* 10MB led */
5727 /* Read the current value of the LED register in
5728 the EMAC block */
5729 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
5730 /* Set the OVERRIDE bit to 1 */
5731 reg_val |= EMAC_LED_OVERRIDE;
5732 /* If value is 1, set the 10M_OVERRIDE bit,
5733 otherwise reset it.*/
5734 reg_val = (value == 1) ? (reg_val | EMAC_LED_10MB_OVERRIDE) :
5735 (reg_val & ~EMAC_LED_10MB_OVERRIDE);
5736 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
5737 break;
5738 case 1: /*100MB led */
5739 /*Read the current value of the LED register in
5740 the EMAC block */
5741 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
5742 /* Set the OVERRIDE bit to 1 */
5743 reg_val |= EMAC_LED_OVERRIDE;
5744 /* If value is 1, set the 100M_OVERRIDE bit,
5745 otherwise reset it.*/
5746 reg_val = (value == 1) ? (reg_val | EMAC_LED_100MB_OVERRIDE) :
5747 (reg_val & ~EMAC_LED_100MB_OVERRIDE);
5748 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
5749 break;
5750 case 2: /* 1000MB led */
5751 /* Read the current value of the LED register in the
5752 EMAC block */
5753 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
5754 /* Set the OVERRIDE bit to 1 */
5755 reg_val |= EMAC_LED_OVERRIDE;
5756 /* If value is 1, set the 1000M_OVERRIDE bit, otherwise
5757 reset it. */
5758 reg_val = (value == 1) ? (reg_val | EMAC_LED_1000MB_OVERRIDE) :
5759 (reg_val & ~EMAC_LED_1000MB_OVERRIDE);
5760 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
5761 break;
5762 case 3: /* 2500MB led */
5763 /* Read the current value of the LED register in the
5764 EMAC block*/
5765 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
5766 /* Set the OVERRIDE bit to 1 */
5767 reg_val |= EMAC_LED_OVERRIDE;
5768 /* If value is 1, set the 2500M_OVERRIDE bit, otherwise
5769 reset it.*/
5770 reg_val = (value == 1) ? (reg_val | EMAC_LED_2500MB_OVERRIDE) :
5771 (reg_val & ~EMAC_LED_2500MB_OVERRIDE);
5772 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
5773 break;
5774 case 4: /*10G led */
5775 if (port == 0) {
5776 REG_WR(bp, NIG_REG_LED_10G_P0,
5777 value);
5778 } else {
5779 REG_WR(bp, NIG_REG_LED_10G_P1,
5780 value);
5781 }
5782 break;
5783 case 5: /* TRAFFIC led */
5784 /* Find if the traffic control is via BMAC or EMAC */
5785 if (port == 0)
5786 reg_val = REG_RD(bp, NIG_REG_NIG_EMAC0_EN);
5787 else
5788 reg_val = REG_RD(bp, NIG_REG_NIG_EMAC1_EN);
5789
5790 /* Override the traffic led in the EMAC:*/
5791 if (reg_val == 1) {
5792 /* Read the current value of the LED register in
5793 the EMAC block */
5794 reg_val = REG_RD(bp, emac_base +
5795 EMAC_REG_EMAC_LED);
5796 /* Set the TRAFFIC_OVERRIDE bit to 1 */
5797 reg_val |= EMAC_LED_OVERRIDE;
5798 /* If value is 1, set the TRAFFIC bit, otherwise
5799 reset it.*/
5800 reg_val = (value == 1) ? (reg_val | EMAC_LED_TRAFFIC) :
5801 (reg_val & ~EMAC_LED_TRAFFIC);
5802 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
5803 } else { /* Override the traffic led in the BMAC: */
5804 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
5805 + port*4, 1);
5806 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4,
5807 value);
5808 }
5809 break;
5810 default:
5811 DP(NETIF_MSG_LINK,
5812 "bnx2x_override_led_value() unknown led index %d "
5813 "(should be 0-5)\n", led_idx);
5814 return -EINVAL;
5815 }
5816
5817 return 0;
5818}
5819
5820
5821u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
5822 u16 hw_led_mode, u32 chip_id)
5823{
5824 u8 rc = 0;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005825 u32 tmp;
5826 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005827 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
5828 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
5829 speed, hw_led_mode);
5830 switch (mode) {
5831 case LED_MODE_OFF:
5832 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
5833 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
5834 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005835
5836 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005837 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005838 break;
5839
5840 case LED_MODE_OPER:
5841 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
5842 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
5843 port*4, 0);
5844 /* Set blinking rate to ~15.9Hz */
5845 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
5846 LED_BLINK_RATE_VAL);
5847 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
5848 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005849 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005850 EMAC_WR(bp, EMAC_REG_EMAC_LED,
Eilon Greenstein345b5d52008-08-13 15:58:12 -07005851 (tmp & (~EMAC_LED_OVERRIDE)));
5852
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005853 if (!CHIP_IS_E1H(bp) &&
5854 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005855 (speed == SPEED_1000) ||
5856 (speed == SPEED_100) ||
5857 (speed == SPEED_10))) {
5858 /* On Everest 1 Ax chip versions for speeds less than
5859 10G LED scheme is different */
5860 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
5861 + port*4, 1);
5862 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
5863 port*4, 0);
5864 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
5865 port*4, 1);
5866 }
5867 break;
5868
5869 default:
5870 rc = -EINVAL;
5871 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
5872 mode);
5873 break;
5874 }
5875 return rc;
5876
5877}
5878
5879u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars)
5880{
5881 struct bnx2x *bp = params->bp;
5882 u16 gp_status = 0;
5883
5884 CL45_RD_OVER_CL22(bp, params->port,
5885 params->phy_addr,
5886 MDIO_REG_BANK_GP_STATUS,
5887 MDIO_GP_STATUS_TOP_AN_STATUS1,
5888 &gp_status);
5889 /* link is up only if both local phy and external phy are up */
5890 if ((gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) &&
Eilon Greenstein2f904462009-08-12 08:22:16 +00005891 bnx2x_ext_phy_is_link_up(params, vars, 1))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005892 return 0;
5893
5894 return -ESRCH;
5895}
5896
5897static u8 bnx2x_link_initialize(struct link_params *params,
5898 struct link_vars *vars)
5899{
5900 struct bnx2x *bp = params->bp;
5901 u8 port = params->port;
5902 u8 rc = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005903 u8 non_ext_phy;
5904 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005905 /* Activate the external PHY */
5906 bnx2x_ext_phy_reset(params, vars);
5907
5908 bnx2x_set_aer_mmd(params, vars);
5909
5910 if (vars->phy_flags & PHY_XGXS_FLAG)
5911 bnx2x_set_master_ln(params);
5912
5913 rc = bnx2x_reset_unicore(params);
5914 /* reset the SerDes and wait for reset bit return low */
5915 if (rc != 0)
5916 return rc;
5917
5918 bnx2x_set_aer_mmd(params, vars);
5919
5920 /* setting the masterLn_def again after the reset */
5921 if (vars->phy_flags & PHY_XGXS_FLAG) {
5922 bnx2x_set_master_ln(params);
5923 bnx2x_set_swap_lanes(params);
5924 }
5925
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005926 if (vars->phy_flags & PHY_XGXS_FLAG) {
Eilon Greenstein44722d12009-01-14 06:44:21 +00005927 if ((params->req_line_speed &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005928 ((params->req_line_speed == SPEED_100) ||
Eilon Greenstein44722d12009-01-14 06:44:21 +00005929 (params->req_line_speed == SPEED_10))) ||
5930 (!params->req_line_speed &&
5931 (params->speed_cap_mask >=
5932 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
5933 (params->speed_cap_mask <
5934 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
5935 )) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005936 vars->phy_flags |= PHY_SGMII_FLAG;
5937 } else {
5938 vars->phy_flags &= ~PHY_SGMII_FLAG;
5939 }
5940 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005941 /* In case of external phy existance, the line speed would be the
5942 line speed linked up by the external phy. In case it is direct only,
5943 then the line_speed during initialization will be equal to the
5944 req_line_speed*/
5945 vars->line_speed = params->req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005946
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07005947 bnx2x_calc_ieee_aneg_adv(params, &vars->ieee_fc);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005948
5949 /* init ext phy and enable link state int */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005950 non_ext_phy = ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00005951 (params->loopback_mode == LOOPBACK_XGXS_10));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005952
5953 if (non_ext_phy ||
Eilon Greenstein589abe32009-02-12 08:36:55 +00005954 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
Eilon Greenstein28577182009-02-12 08:37:00 +00005955 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
Eilon Greenstein8660d8c2009-03-02 08:01:02 +00005956 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005957 if (params->req_line_speed == SPEED_AUTO_NEG)
5958 bnx2x_set_parallel_detection(params, vars->phy_flags);
Eilon Greenstein239d6862009-08-12 08:23:04 +00005959 bnx2x_init_internal_phy(params, vars, non_ext_phy);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005960 }
5961
5962 if (!non_ext_phy)
5963 rc |= bnx2x_ext_phy_init(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005964
5965 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005966 (NIG_STATUS_XGXS0_LINK10G |
5967 NIG_STATUS_XGXS0_LINK_STATUS |
5968 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005969
5970 return rc;
5971
5972}
5973
5974
5975u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
5976{
5977 struct bnx2x *bp = params->bp;
5978
5979 u32 val;
Eilon Greenstein3196a882008-08-13 15:58:49 -07005980 DP(NETIF_MSG_LINK, "Phy Initialization started \n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005981 DP(NETIF_MSG_LINK, "req_speed = %d, req_flowctrl=%d\n",
5982 params->req_line_speed, params->req_flow_ctrl);
5983 vars->link_status = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005984 vars->phy_link_up = 0;
5985 vars->link_up = 0;
5986 vars->line_speed = 0;
5987 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08005988 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005989 vars->mac_type = MAC_TYPE_NONE;
5990
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005991 if (params->switch_cfg == SWITCH_CFG_1G)
5992 vars->phy_flags = PHY_SERDES_FLAG;
5993 else
5994 vars->phy_flags = PHY_XGXS_FLAG;
5995
Eilon Greenstein3196a882008-08-13 15:58:49 -07005996
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005997 /* disable attentions */
5998 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
5999 (NIG_MASK_XGXS0_LINK_STATUS |
6000 NIG_MASK_XGXS0_LINK10G |
6001 NIG_MASK_SERDES0_LINK_STATUS |
6002 NIG_MASK_MI_INT));
6003
6004 bnx2x_emac_init(params, vars);
6005
6006 if (CHIP_REV_IS_FPGA(bp)) {
6007 vars->link_up = 1;
6008 vars->line_speed = SPEED_10000;
6009 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08006010 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006011 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006012 /* enable on E1.5 FPGA */
6013 if (CHIP_IS_E1H(bp)) {
6014 vars->flow_ctrl |=
David S. Millerc0700f92008-12-16 23:53:20 -08006015 (BNX2X_FLOW_CTRL_TX | BNX2X_FLOW_CTRL_RX);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006016 vars->link_status |=
6017 (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
6018 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
6019 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006020
6021 bnx2x_emac_enable(params, vars, 0);
6022 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
6023 /* disable drain */
6024 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
6025 + params->port*4, 0);
6026
6027 /* update shared memory */
6028 bnx2x_update_mng(params, vars->link_status);
6029
6030 return 0;
6031
6032 } else
6033 if (CHIP_REV_IS_EMUL(bp)) {
6034
6035 vars->link_up = 1;
6036 vars->line_speed = SPEED_10000;
6037 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08006038 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006039 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
6040
6041 bnx2x_bmac_enable(params, vars, 0);
6042
6043 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
6044 /* Disable drain */
6045 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
6046 + params->port*4, 0);
6047
6048 /* update shared memory */
6049 bnx2x_update_mng(params, vars->link_status);
6050
6051 return 0;
6052
6053 } else
6054 if (params->loopback_mode == LOOPBACK_BMAC) {
6055 vars->link_up = 1;
6056 vars->line_speed = SPEED_10000;
6057 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08006058 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006059 vars->mac_type = MAC_TYPE_BMAC;
6060
6061 vars->phy_flags = PHY_XGXS_FLAG;
6062
6063 bnx2x_phy_deassert(params, vars->phy_flags);
6064 /* set bmac loopback */
6065 bnx2x_bmac_enable(params, vars, 1);
6066
6067 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6068 params->port*4, 0);
6069 } else if (params->loopback_mode == LOOPBACK_EMAC) {
6070 vars->link_up = 1;
6071 vars->line_speed = SPEED_1000;
6072 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08006073 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006074 vars->mac_type = MAC_TYPE_EMAC;
6075
6076 vars->phy_flags = PHY_XGXS_FLAG;
6077
6078 bnx2x_phy_deassert(params, vars->phy_flags);
6079 /* set bmac loopback */
6080 bnx2x_emac_enable(params, vars, 1);
6081 bnx2x_emac_program(params, vars->line_speed,
6082 vars->duplex);
6083 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6084 params->port*4, 0);
6085 } else if ((params->loopback_mode == LOOPBACK_XGXS_10) ||
6086 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
6087 vars->link_up = 1;
6088 vars->line_speed = SPEED_10000;
6089 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08006090 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006091
6092 vars->phy_flags = PHY_XGXS_FLAG;
6093
6094 val = REG_RD(bp,
6095 NIG_REG_XGXS0_CTRL_PHY_ADDR+
6096 params->port*0x18);
6097 params->phy_addr = (u8)val;
6098
6099 bnx2x_phy_deassert(params, vars->phy_flags);
6100 bnx2x_link_initialize(params, vars);
6101
6102 vars->mac_type = MAC_TYPE_BMAC;
6103
6104 bnx2x_bmac_enable(params, vars, 0);
6105
6106 if (params->loopback_mode == LOOPBACK_XGXS_10) {
6107 /* set 10G XGXS loopback */
6108 bnx2x_set_xgxs_loopback(params, vars, 1);
6109 } else {
6110 /* set external phy loopback */
6111 bnx2x_ext_phy_loopback(params);
6112 }
6113 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
6114 params->port*4, 0);
Eilon Greensteinba71d312009-07-21 05:47:49 +00006115
6116 bnx2x_set_led(bp, params->port, LED_MODE_OPER,
6117 vars->line_speed, params->hw_led_mode,
6118 params->chip_id);
6119
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006120 } else
6121 /* No loopback */
6122 {
6123
6124 bnx2x_phy_deassert(params, vars->phy_flags);
6125 switch (params->switch_cfg) {
6126 case SWITCH_CFG_1G:
6127 vars->phy_flags |= PHY_SERDES_FLAG;
6128 if ((params->ext_phy_config &
6129 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) ==
6130 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482) {
6131 vars->phy_flags |=
6132 PHY_SGMII_FLAG;
6133 }
6134
6135 val = REG_RD(bp,
6136 NIG_REG_SERDES0_CTRL_PHY_ADDR+
6137 params->port*0x10);
6138
6139 params->phy_addr = (u8)val;
6140
6141 break;
6142 case SWITCH_CFG_10G:
6143 vars->phy_flags |= PHY_XGXS_FLAG;
6144 val = REG_RD(bp,
6145 NIG_REG_XGXS0_CTRL_PHY_ADDR+
6146 params->port*0x18);
6147 params->phy_addr = (u8)val;
6148
6149 break;
6150 default:
6151 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
6152 return -EINVAL;
6153 break;
6154 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00006155 DP(NETIF_MSG_LINK, "Phy address = 0x%x\n", params->phy_addr);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006156
6157 bnx2x_link_initialize(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006158 msleep(30);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006159 bnx2x_link_int_enable(params);
6160 }
6161 return 0;
6162}
6163
Eilon Greenstein589abe32009-02-12 08:36:55 +00006164static void bnx2x_8726_reset_phy(struct bnx2x *bp, u8 port, u8 ext_phy_addr)
6165{
6166 DP(NETIF_MSG_LINK, "bnx2x_8726_reset_phy port %d\n", port);
6167
6168 /* Set serial boot control for external load */
6169 bnx2x_cl45_write(bp, port,
6170 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, ext_phy_addr,
6171 MDIO_PMA_DEVAD,
6172 MDIO_PMA_REG_GEN_CTRL, 0x0001);
Eilon Greenstein589abe32009-02-12 08:36:55 +00006173}
6174
6175u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
6176 u8 reset_ext_phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006177{
6178
6179 struct bnx2x *bp = params->bp;
6180 u32 ext_phy_config = params->ext_phy_config;
6181 u16 hw_led_mode = params->hw_led_mode;
6182 u32 chip_id = params->chip_id;
6183 u8 port = params->port;
6184 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006185 u32 val = REG_RD(bp, params->shmem_base +
6186 offsetof(struct shmem_region, dev_info.
6187 port_feature_config[params->port].
6188 config));
6189
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006190 /* disable attentions */
6191
6192 vars->link_status = 0;
6193 bnx2x_update_mng(params, vars->link_status);
6194 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6195 (NIG_MASK_XGXS0_LINK_STATUS |
6196 NIG_MASK_XGXS0_LINK10G |
6197 NIG_MASK_SERDES0_LINK_STATUS |
6198 NIG_MASK_MI_INT));
6199
6200 /* activate nig drain */
6201 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6202
6203 /* disable nig egress interface */
6204 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
6205 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
6206
6207 /* Stop BigMac rx */
6208 bnx2x_bmac_rx_disable(bp, port);
6209
6210 /* disable emac */
6211 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6212
6213 msleep(10);
6214 /* The PHY reset is controled by GPIO 1
6215 * Hold it as vars low
6216 */
6217 /* clear link led */
6218 bnx2x_set_led(bp, port, LED_MODE_OFF, 0, hw_led_mode, chip_id);
Eilon Greenstein589abe32009-02-12 08:36:55 +00006219 if (reset_ext_phy) {
6220 switch (ext_phy_type) {
6221 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
6222 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
6223 break;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006224
6225 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
6226 {
6227
6228 /* Disable Transmitter */
6229 u8 ext_phy_addr = ((params->ext_phy_config &
6230 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
6231 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
6232 if ((val & PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_MASK) ==
6233 PORT_FEAT_CFG_OPT_MDL_ENFRCMNT_DISABLE_TX_LASER)
6234 bnx2x_sfp_set_transmitter(bp, port,
6235 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
6236 ext_phy_addr, 0);
6237 break;
6238 }
Eilon Greenstein589abe32009-02-12 08:36:55 +00006239 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
6240 DP(NETIF_MSG_LINK, "Setting 8073 port %d into "
6241 "low power mode\n",
6242 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006243 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07006244 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6245 port);
Eilon Greenstein589abe32009-02-12 08:36:55 +00006246 break;
6247 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
6248 {
6249 u8 ext_phy_addr = ((params->ext_phy_config &
6250 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
6251 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
6252 /* Set soft reset */
6253 bnx2x_8726_reset_phy(bp, params->port, ext_phy_addr);
6254 break;
6255 }
6256 default:
6257 /* HW reset */
6258 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
6259 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6260 port);
6261 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6262 MISC_REGISTERS_GPIO_OUTPUT_LOW,
6263 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006264 DP(NETIF_MSG_LINK, "reset external PHY\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006265 }
6266 }
6267 /* reset the SerDes/XGXS */
6268 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
6269 (0x1ff << (port*16)));
6270
6271 /* reset BigMac */
6272 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
6273 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6274
6275 /* disable nig ingress interface */
6276 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
6277 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
6278 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
6279 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
6280 vars->link_up = 0;
6281 return 0;
6282}
6283
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006284static u8 bnx2x_update_link_down(struct link_params *params,
6285 struct link_vars *vars)
6286{
6287 struct bnx2x *bp = params->bp;
6288 u8 port = params->port;
6289 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
6290 bnx2x_set_led(bp, port, LED_MODE_OFF,
6291 0, params->hw_led_mode,
6292 params->chip_id);
6293
6294 /* indicate no mac active */
6295 vars->mac_type = MAC_TYPE_NONE;
6296
6297 /* update shared memory */
6298 vars->link_status = 0;
6299 vars->line_speed = 0;
6300 bnx2x_update_mng(params, vars->link_status);
6301
6302 /* activate nig drain */
6303 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
6304
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006305 /* disable emac */
6306 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6307
6308 msleep(10);
6309
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006310 /* reset BigMac */
6311 bnx2x_bmac_rx_disable(bp, params->port);
6312 REG_WR(bp, GRCBASE_MISC +
6313 MISC_REGISTERS_RESET_REG_2_CLEAR,
6314 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
6315 return 0;
6316}
6317
6318static u8 bnx2x_update_link_up(struct link_params *params,
6319 struct link_vars *vars,
6320 u8 link_10g, u32 gp_status)
6321{
6322 struct bnx2x *bp = params->bp;
6323 u8 port = params->port;
6324 u8 rc = 0;
6325 vars->link_status |= LINK_STATUS_LINK_UP;
6326 if (link_10g) {
6327 bnx2x_bmac_enable(params, vars, 0);
6328 bnx2x_set_led(bp, port, LED_MODE_OPER,
6329 SPEED_10000, params->hw_led_mode,
6330 params->chip_id);
6331
6332 } else {
6333 bnx2x_emac_enable(params, vars, 0);
6334 rc = bnx2x_emac_program(params, vars->line_speed,
6335 vars->duplex);
6336
6337 /* AN complete? */
6338 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
6339 if (!(vars->phy_flags &
6340 PHY_SGMII_FLAG))
Eilon Greensteined8680a2009-02-12 08:37:12 +00006341 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006342 }
6343 }
6344
6345 /* PBF - link up */
6346 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
6347 vars->line_speed);
6348
6349 /* disable drain */
6350 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
6351
6352 /* update shared memory */
6353 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006354 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006355 return rc;
6356}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006357/* This function should called upon link interrupt */
6358/* In case vars->link_up, driver needs to
6359 1. Update the pbf
6360 2. Disable drain
6361 3. Update the shared memory
6362 4. Indicate link up
6363 5. Set LEDs
6364 Otherwise,
6365 1. Update shared memory
6366 2. Reset BigMac
6367 3. Report link down
6368 4. Unset LEDs
6369*/
6370u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
6371{
6372 struct bnx2x *bp = params->bp;
6373 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006374 u16 gp_status;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006375 u8 link_10g;
6376 u8 ext_phy_link_up, rc = 0;
6377 u32 ext_phy_type;
Eilon Greenstein2f904462009-08-12 08:22:16 +00006378 u8 is_mi_int = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006379
6380 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006381 port, (vars->phy_flags & PHY_XGXS_FLAG),
6382 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006383
Eilon Greenstein2f904462009-08-12 08:22:16 +00006384 is_mi_int = (u8)(REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT +
6385 port*0x18) > 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006386 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
Eilon Greenstein2f904462009-08-12 08:22:16 +00006387 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
6388 is_mi_int,
6389 REG_RD(bp,
6390 NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006391
6392 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
6393 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
6394 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
6395
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00006396 /* disable emac */
6397 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
6398
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006399 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006400
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006401 /* Check external link change only for non-direct */
Eilon Greenstein2f904462009-08-12 08:22:16 +00006402 ext_phy_link_up = bnx2x_ext_phy_is_link_up(params, vars, is_mi_int);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006403
6404 /* Read gp_status */
6405 CL45_RD_OVER_CL22(bp, port, params->phy_addr,
6406 MDIO_REG_BANK_GP_STATUS,
6407 MDIO_GP_STATUS_TOP_AN_STATUS1,
6408 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006409
Eilon Greenstein2f904462009-08-12 08:22:16 +00006410 rc = bnx2x_link_settings_status(params, vars, gp_status,
6411 ext_phy_link_up);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006412 if (rc != 0)
6413 return rc;
6414
6415 /* anything 10 and over uses the bmac */
6416 link_10g = ((vars->line_speed == SPEED_10000) ||
6417 (vars->line_speed == SPEED_12000) ||
6418 (vars->line_speed == SPEED_12500) ||
6419 (vars->line_speed == SPEED_13000) ||
6420 (vars->line_speed == SPEED_15000) ||
6421 (vars->line_speed == SPEED_16000));
6422
Eilon Greenstein2f904462009-08-12 08:22:16 +00006423 bnx2x_link_int_ack(params, vars, link_10g, is_mi_int);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006424
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006425 /* In case external phy link is up, and internal link is down
6426 ( not initialized yet probably after link initialization, it needs
6427 to be initialized.
6428 Note that after link down-up as result of cable plug,
6429 the xgxs link would probably become up again without the need to
6430 initialize it*/
6431
6432 if ((ext_phy_type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
6433 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) &&
Eilon Greenstein589abe32009-02-12 08:36:55 +00006434 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) &&
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006435 (ext_phy_link_up && !vars->phy_link_up))
Eilon Greenstein239d6862009-08-12 08:23:04 +00006436 bnx2x_init_internal_phy(params, vars, 0);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006437
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006438 /* link is up only if both local phy and external phy are up */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006439 vars->link_up = (ext_phy_link_up && vars->phy_link_up);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006440
Yaniv Rosner57963ed2008-08-13 15:55:28 -07006441 if (vars->link_up)
6442 rc = bnx2x_update_link_up(params, vars, link_10g, gp_status);
6443 else
6444 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006445
6446 return rc;
6447}
6448
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006449static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base)
6450{
6451 u8 ext_phy_addr[PORT_MAX];
6452 u16 val;
6453 s8 port;
6454
6455 /* PART1 - Reset both phys */
6456 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
6457 /* Extract the ext phy address for the port */
6458 u32 ext_phy_config = REG_RD(bp, shmem_base +
6459 offsetof(struct shmem_region,
6460 dev_info.port_hw_config[port].external_phy_config));
6461
6462 /* disable attentions */
6463 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6464 (NIG_MASK_XGXS0_LINK_STATUS |
6465 NIG_MASK_XGXS0_LINK10G |
6466 NIG_MASK_SERDES0_LINK_STATUS |
6467 NIG_MASK_MI_INT));
6468
6469 ext_phy_addr[port] =
6470 ((ext_phy_config &
6471 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
6472 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
6473
6474 /* Need to take the phy out of low power mode in order
6475 to write to access its registers */
6476 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6477 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
6478
6479 /* Reset the phy */
6480 bnx2x_cl45_write(bp, port,
6481 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6482 ext_phy_addr[port],
6483 MDIO_PMA_DEVAD,
6484 MDIO_PMA_REG_CTRL,
6485 1<<15);
6486 }
6487
6488 /* Add delay of 150ms after reset */
6489 msleep(150);
6490
6491 /* PART2 - Download firmware to both phys */
6492 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
6493 u16 fw_ver1;
6494
6495 bnx2x_bcm8073_external_rom_boot(bp, port,
Eilon Greensteina35da8d2009-02-12 08:37:02 +00006496 ext_phy_addr[port], shmem_base);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006497
6498 bnx2x_cl45_read(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6499 ext_phy_addr[port],
6500 MDIO_PMA_DEVAD,
6501 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Eilon Greenstein16b311c2009-01-14 06:44:24 +00006502 if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006503 DP(NETIF_MSG_LINK,
Eilon Greenstein16b311c2009-01-14 06:44:24 +00006504 "bnx2x_8073_common_init_phy port %x:"
6505 "Download failed. fw version = 0x%x\n",
6506 port, fw_ver1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006507 return -EINVAL;
6508 }
6509
6510 /* Only set bit 10 = 1 (Tx power down) */
6511 bnx2x_cl45_read(bp, port,
6512 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6513 ext_phy_addr[port],
6514 MDIO_PMA_DEVAD,
6515 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6516
6517 /* Phase1 of TX_POWER_DOWN reset */
6518 bnx2x_cl45_write(bp, port,
6519 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6520 ext_phy_addr[port],
6521 MDIO_PMA_DEVAD,
6522 MDIO_PMA_REG_TX_POWER_DOWN,
6523 (val | 1<<10));
6524 }
6525
6526 /* Toggle Transmitter: Power down and then up with 600ms
6527 delay between */
6528 msleep(600);
6529
6530 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
6531 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00006532 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006533 /* Release bit 10 (Release Tx power down) */
6534 bnx2x_cl45_read(bp, port,
6535 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6536 ext_phy_addr[port],
6537 MDIO_PMA_DEVAD,
6538 MDIO_PMA_REG_TX_POWER_DOWN, &val);
6539
6540 bnx2x_cl45_write(bp, port,
6541 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6542 ext_phy_addr[port],
6543 MDIO_PMA_DEVAD,
6544 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
6545 msleep(15);
6546
6547 /* Read modify write the SPI-ROM version select register */
6548 bnx2x_cl45_read(bp, port,
6549 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6550 ext_phy_addr[port],
6551 MDIO_PMA_DEVAD,
6552 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
6553 bnx2x_cl45_write(bp, port,
6554 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
6555 ext_phy_addr[port],
6556 MDIO_PMA_DEVAD,
6557 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
6558
6559 /* set GPIO2 back to LOW */
6560 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
6561 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
6562 }
6563 return 0;
6564
6565}
6566
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006567static u8 bnx2x_8727_common_init_phy(struct bnx2x *bp, u32 shmem_base)
6568{
6569 u8 ext_phy_addr[PORT_MAX];
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00006570 s8 port, first_port, i;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006571 u32 swap_val, swap_override;
6572 DP(NETIF_MSG_LINK, "Executing BCM8727 common init\n");
6573 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
6574 swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
6575
6576 bnx2x_hw_reset(bp, 1 ^ (swap_val && swap_override));
6577 msleep(5);
6578
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00006579 if (swap_val && swap_override)
6580 first_port = PORT_0;
6581 else
6582 first_port = PORT_1;
6583
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006584 /* PART1 - Reset both phys */
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00006585 for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006586 /* Extract the ext phy address for the port */
6587 u32 ext_phy_config = REG_RD(bp, shmem_base +
6588 offsetof(struct shmem_region,
6589 dev_info.port_hw_config[port].external_phy_config));
6590
6591 /* disable attentions */
6592 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
6593 (NIG_MASK_XGXS0_LINK_STATUS |
6594 NIG_MASK_XGXS0_LINK10G |
6595 NIG_MASK_SERDES0_LINK_STATUS |
6596 NIG_MASK_MI_INT));
6597
6598 ext_phy_addr[port] = ((ext_phy_config &
6599 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
6600 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
6601
6602 /* Reset the phy */
6603 bnx2x_cl45_write(bp, port,
6604 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
6605 ext_phy_addr[port],
6606 MDIO_PMA_DEVAD,
6607 MDIO_PMA_REG_CTRL,
6608 1<<15);
6609 }
6610
6611 /* Add delay of 150ms after reset */
6612 msleep(150);
6613
6614 /* PART2 - Download firmware to both phys */
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00006615 for (i = 0, port = first_port; i < PORT_MAX; i++, port = !port) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006616 u16 fw_ver1;
6617
6618 bnx2x_bcm8727_external_rom_boot(bp, port,
6619 ext_phy_addr[port], shmem_base);
6620
6621 bnx2x_cl45_read(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727,
6622 ext_phy_addr[port],
6623 MDIO_PMA_DEVAD,
6624 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
6625 if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
6626 DP(NETIF_MSG_LINK,
Eilon Greensteinbc7f0a02009-08-12 08:23:01 +00006627 "bnx2x_8727_common_init_phy port %x:"
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006628 "Download failed. fw version = 0x%x\n",
6629 port, fw_ver1);
6630 return -EINVAL;
6631 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006632 }
6633
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006634 return 0;
6635}
6636
Eilon Greenstein589abe32009-02-12 08:36:55 +00006637
6638static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base)
6639{
6640 u8 ext_phy_addr;
6641 u32 val;
6642 s8 port;
6643 /* Use port1 because of the static port-swap */
6644 /* Enable the module detection interrupt */
6645 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
6646 val |= ((1<<MISC_REGISTERS_GPIO_3)|
6647 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
6648 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
6649
6650 bnx2x_hw_reset(bp, 1);
6651 msleep(5);
6652 for (port = 0; port < PORT_MAX; port++) {
6653 /* Extract the ext phy address for the port */
6654 u32 ext_phy_config = REG_RD(bp, shmem_base +
6655 offsetof(struct shmem_region,
6656 dev_info.port_hw_config[port].external_phy_config));
6657
6658 ext_phy_addr =
6659 ((ext_phy_config &
6660 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
6661 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
6662 DP(NETIF_MSG_LINK, "8726_common_init : ext_phy_addr = 0x%x\n",
6663 ext_phy_addr);
6664
6665 bnx2x_8726_reset_phy(bp, port, ext_phy_addr);
6666
6667 /* Set fault module detected LED on */
6668 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
6669 MISC_REGISTERS_GPIO_HIGH,
6670 port);
6671 }
6672
6673 return 0;
6674}
6675
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006676u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
6677{
6678 u8 rc = 0;
6679 u32 ext_phy_type;
6680
Eilon Greensteinf5372252009-02-12 08:38:30 +00006681 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006682
6683 /* Read the ext_phy_type for arbitrary port(0) */
6684 ext_phy_type = XGXS_EXT_PHY_TYPE(
6685 REG_RD(bp, shmem_base +
6686 offsetof(struct shmem_region,
6687 dev_info.port_hw_config[0].external_phy_config)));
6688
6689 switch (ext_phy_type) {
6690 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
6691 {
6692 rc = bnx2x_8073_common_init_phy(bp, shmem_base);
6693 break;
6694 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00006695
6696 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
6697 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727_NOC:
6698 rc = bnx2x_8727_common_init_phy(bp, shmem_base);
6699 break;
6700
Eilon Greenstein589abe32009-02-12 08:36:55 +00006701 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
6702 /* GPIO1 affects both ports, so there's need to pull
6703 it for single port alone */
6704 rc = bnx2x_8726_common_init_phy(bp, shmem_base);
6705
6706 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07006707 default:
6708 DP(NETIF_MSG_LINK,
6709 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
6710 ext_phy_type);
6711 break;
6712 }
6713
6714 return rc;
6715}
6716
6717
6718
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006719static void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr)
6720{
6721 u16 val, cnt;
6722
6723 bnx2x_cl45_read(bp, port,
6724 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6725 phy_addr,
6726 MDIO_PMA_DEVAD,
6727 MDIO_PMA_REG_7101_RESET, &val);
6728
6729 for (cnt = 0; cnt < 10; cnt++) {
6730 msleep(50);
6731 /* Writes a self-clearing reset */
6732 bnx2x_cl45_write(bp, port,
6733 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6734 phy_addr,
6735 MDIO_PMA_DEVAD,
6736 MDIO_PMA_REG_7101_RESET,
6737 (val | (1<<15)));
6738 /* Wait for clear */
6739 bnx2x_cl45_read(bp, port,
6740 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6741 phy_addr,
6742 MDIO_PMA_DEVAD,
6743 MDIO_PMA_REG_7101_RESET, &val);
6744
6745 if ((val & (1<<15)) == 0)
6746 break;
6747 }
6748}
6749#define RESERVED_SIZE 256
6750/* max application is 160K bytes - data at end of RAM */
Eilon Greenstein6378c022008-08-13 15:59:25 -07006751#define MAX_APP_SIZE (160*1024 - RESERVED_SIZE)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006752
6753/* Header is 14 bytes */
6754#define HEADER_SIZE 14
6755#define DATA_OFFSET HEADER_SIZE
6756
6757#define SPI_START_TRANSFER(bp, port, ext_phy_addr) \
6758 bnx2x_cl45_write(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, \
6759 ext_phy_addr, \
6760 MDIO_PCS_DEVAD, \
6761 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 1)
6762
6763/* Programs an image to DSP's flash via the SPI port*/
6764static u8 bnx2x_sfx7101_flash_download(struct bnx2x *bp, u8 port,
6765 u8 ext_phy_addr,
6766 char data[], u32 size)
6767{
6768 const u16 num_trans = size/4; /* 4 bytes can be sent at a time */
6769 /* Doesn't include last trans!*/
6770 const u16 last_trans_size = size%4; /* Num bytes on last trans */
6771 u16 trans_cnt, byte_cnt;
6772 u32 data_index;
6773 u16 tmp;
6774 u16 code_started = 0;
6775 u16 image_revision1, image_revision2;
6776 u16 cnt;
6777
6778 DP(NETIF_MSG_LINK, "bnx2x_sfx7101_flash_download file_size=%d\n", size);
6779 /* Going to flash*/
6780 if ((size-HEADER_SIZE) > MAX_APP_SIZE) {
6781 /* This very often will be the case, because the image is built
6782 with 160Kbytes size whereas the total image size must actually
6783 be 160Kbytes-RESERVED_SIZE */
6784 DP(NETIF_MSG_LINK, "Warning, file size was %d bytes "
6785 "truncated to %d bytes\n", size, MAX_APP_SIZE);
6786 size = MAX_APP_SIZE+HEADER_SIZE;
6787 }
6788 DP(NETIF_MSG_LINK, "File version is %c%c\n", data[0x14e], data[0x14f]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07006789 DP(NETIF_MSG_LINK, " %c%c\n", data[0x150], data[0x151]);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006790 /* Put the DSP in download mode by setting FLASH_CFG[2] to 1
6791 and issuing a reset.*/
6792
6793 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07006794 MISC_REGISTERS_GPIO_HIGH, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07006795
6796 bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr);
6797
6798 /* wait 0.5 sec */
6799 for (cnt = 0; cnt < 100; cnt++)
6800 msleep(5);
6801
6802 /* Make sure we can access the DSP
6803 And it's in the correct mode (waiting for download) */
6804
6805 bnx2x_cl45_read(bp, port,
6806 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6807 ext_phy_addr,
6808 MDIO_PCS_DEVAD,
6809 MDIO_PCS_REG_7101_DSP_ACCESS, &tmp);
6810
6811 if (tmp != 0x000A) {
6812 DP(NETIF_MSG_LINK, "DSP is not in waiting on download mode. "
6813 "Expected 0x000A, read 0x%04X\n", tmp);
6814 DP(NETIF_MSG_LINK, "Download failed\n");
6815 return -EINVAL;
6816 }
6817
6818 /* Mux the SPI interface away from the internal processor */
6819 bnx2x_cl45_write(bp, port,
6820 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6821 ext_phy_addr,
6822 MDIO_PCS_DEVAD,
6823 MDIO_PCS_REG_7101_SPI_MUX, 1);
6824
6825 /* Reset the SPI port */
6826 bnx2x_cl45_write(bp, port,
6827 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6828 ext_phy_addr,
6829 MDIO_PCS_DEVAD,
6830 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0);
6831 bnx2x_cl45_write(bp, port,
6832 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6833 ext_phy_addr,
6834 MDIO_PCS_DEVAD,
6835 MDIO_PCS_REG_7101_SPI_CTRL_ADDR,
6836 (1<<MDIO_PCS_REG_7101_SPI_RESET_BIT));
6837 bnx2x_cl45_write(bp, port,
6838 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6839 ext_phy_addr,
6840 MDIO_PCS_DEVAD,
6841 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0);
6842
6843 /* Erase the flash */
6844 bnx2x_cl45_write(bp, port,
6845 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6846 ext_phy_addr,
6847 MDIO_PCS_DEVAD,
6848 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6849 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
6850
6851 bnx2x_cl45_write(bp, port,
6852 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6853 ext_phy_addr,
6854 MDIO_PCS_DEVAD,
6855 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
6856 1);
6857
6858 SPI_START_TRANSFER(bp, port, ext_phy_addr);
6859 bnx2x_cl45_write(bp, port,
6860 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6861 ext_phy_addr,
6862 MDIO_PCS_DEVAD,
6863 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6864 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD);
6865
6866 bnx2x_cl45_write(bp, port,
6867 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6868 ext_phy_addr,
6869 MDIO_PCS_DEVAD,
6870 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
6871 1);
6872 SPI_START_TRANSFER(bp, port, ext_phy_addr);
6873
6874 /* Wait 10 seconds, the maximum time for the erase to complete */
6875 DP(NETIF_MSG_LINK, "Erasing flash, this takes 10 seconds...\n");
6876 for (cnt = 0; cnt < 1000; cnt++)
6877 msleep(10);
6878
6879 DP(NETIF_MSG_LINK, "Downloading flash, please wait...\n");
6880 data_index = 0;
6881 for (trans_cnt = 0; trans_cnt < num_trans; trans_cnt++) {
6882 bnx2x_cl45_write(bp, port,
6883 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6884 ext_phy_addr,
6885 MDIO_PCS_DEVAD,
6886 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6887 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
6888
6889 bnx2x_cl45_write(bp, port,
6890 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6891 ext_phy_addr,
6892 MDIO_PCS_DEVAD,
6893 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
6894 1);
6895 SPI_START_TRANSFER(bp, port, ext_phy_addr);
6896
6897 bnx2x_cl45_write(bp, port,
6898 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6899 ext_phy_addr,
6900 MDIO_PCS_DEVAD,
6901 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6902 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD);
6903
6904 /* Bits 23-16 of address */
6905 bnx2x_cl45_write(bp, port,
6906 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6907 ext_phy_addr,
6908 MDIO_PCS_DEVAD,
6909 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6910 (data_index>>16));
6911 /* Bits 15-8 of address */
6912 bnx2x_cl45_write(bp, port,
6913 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6914 ext_phy_addr,
6915 MDIO_PCS_DEVAD,
6916 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6917 (data_index>>8));
6918
6919 /* Bits 7-0 of address */
6920 bnx2x_cl45_write(bp, port,
6921 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6922 ext_phy_addr,
6923 MDIO_PCS_DEVAD,
6924 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6925 ((u16)data_index));
6926
6927 byte_cnt = 0;
6928 while (byte_cnt < 4 && data_index < size) {
6929 bnx2x_cl45_write(bp, port,
6930 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6931 ext_phy_addr,
6932 MDIO_PCS_DEVAD,
6933 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6934 data[data_index++]);
6935 byte_cnt++;
6936 }
6937
6938 bnx2x_cl45_write(bp, port,
6939 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6940 ext_phy_addr,
6941 MDIO_PCS_DEVAD,
6942 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
6943 byte_cnt+4);
6944
6945 SPI_START_TRANSFER(bp, port, ext_phy_addr);
6946 msleep(5); /* Wait 5 ms minimum between transs */
6947
6948 /* Let the user know something's going on.*/
6949 /* a pacifier ever 4K */
6950 if ((data_index % 1023) == 0)
6951 DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size);
6952 }
6953
6954 DP(NETIF_MSG_LINK, "\n");
6955 /* Transfer the last block if there is data remaining */
6956 if (last_trans_size) {
6957 bnx2x_cl45_write(bp, port,
6958 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6959 ext_phy_addr,
6960 MDIO_PCS_DEVAD,
6961 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6962 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
6963
6964 bnx2x_cl45_write(bp, port,
6965 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6966 ext_phy_addr,
6967 MDIO_PCS_DEVAD,
6968 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
6969 1);
6970
6971 SPI_START_TRANSFER(bp, port, ext_phy_addr);
6972
6973 bnx2x_cl45_write(bp, port,
6974 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6975 ext_phy_addr,
6976 MDIO_PCS_DEVAD,
6977 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6978 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD);
6979
6980 /* Bits 23-16 of address */
6981 bnx2x_cl45_write(bp, port,
6982 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6983 ext_phy_addr,
6984 MDIO_PCS_DEVAD,
6985 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6986 (data_index>>16));
6987 /* Bits 15-8 of address */
6988 bnx2x_cl45_write(bp, port,
6989 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6990 ext_phy_addr,
6991 MDIO_PCS_DEVAD,
6992 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
6993 (data_index>>8));
6994
6995 /* Bits 7-0 of address */
6996 bnx2x_cl45_write(bp, port,
6997 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
6998 ext_phy_addr,
6999 MDIO_PCS_DEVAD,
7000 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
7001 ((u16)data_index));
7002
7003 byte_cnt = 0;
7004 while (byte_cnt < last_trans_size && data_index < size) {
7005 /* Bits 7-0 of address */
7006 bnx2x_cl45_write(bp, port,
7007 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7008 ext_phy_addr,
7009 MDIO_PCS_DEVAD,
7010 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
7011 data[data_index++]);
7012 byte_cnt++;
7013 }
7014
7015 bnx2x_cl45_write(bp, port,
7016 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7017 ext_phy_addr,
7018 MDIO_PCS_DEVAD,
7019 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
7020 byte_cnt+4);
7021
7022 SPI_START_TRANSFER(bp, port, ext_phy_addr);
7023 }
7024
7025 /* DSP Remove Download Mode */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07007026 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
7027 MISC_REGISTERS_GPIO_LOW, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007028
7029 bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr);
7030
7031 /* wait 0.5 sec to allow it to run */
7032 for (cnt = 0; cnt < 100; cnt++)
7033 msleep(5);
7034
Eilon Greenstein17de50b2008-08-13 15:56:59 -07007035 bnx2x_hw_reset(bp, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007036
7037 for (cnt = 0; cnt < 100; cnt++)
7038 msleep(5);
7039
7040 /* Check that the code is started. In case the download
7041 checksum failed, the code won't be started. */
7042 bnx2x_cl45_read(bp, port,
7043 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7044 ext_phy_addr,
7045 MDIO_PCS_DEVAD,
7046 MDIO_PCS_REG_7101_DSP_ACCESS,
7047 &tmp);
7048
7049 code_started = (tmp & (1<<4));
7050 if (!code_started) {
7051 DP(NETIF_MSG_LINK, "Download failed. Please check file.\n");
7052 return -EINVAL;
7053 }
7054
7055 /* Verify that the file revision is now equal to the image
7056 revision within the DSP */
7057 bnx2x_cl45_read(bp, port,
7058 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7059 ext_phy_addr,
7060 MDIO_PMA_DEVAD,
7061 MDIO_PMA_REG_7101_VER1,
7062 &image_revision1);
7063
7064 bnx2x_cl45_read(bp, port,
7065 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
7066 ext_phy_addr,
7067 MDIO_PMA_DEVAD,
7068 MDIO_PMA_REG_7101_VER2,
7069 &image_revision2);
7070
Eilon Greenstein3196a882008-08-13 15:58:49 -07007071 if (data[0x14e] != (image_revision2&0xFF) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007072 data[0x14f] != ((image_revision2&0xFF00)>>8) ||
7073 data[0x150] != (image_revision1&0xFF) ||
7074 data[0x151] != ((image_revision1&0xFF00)>>8)) {
7075 DP(NETIF_MSG_LINK, "Download failed.\n");
7076 return -EINVAL;
7077 }
7078 DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size);
7079 return 0;
7080}
7081
7082u8 bnx2x_flash_download(struct bnx2x *bp, u8 port, u32 ext_phy_config,
7083 u8 driver_loaded, char data[], u32 size)
7084{
7085 u8 rc = 0;
7086 u32 ext_phy_type;
7087 u8 ext_phy_addr;
7088 ext_phy_addr = ((ext_phy_config &
7089 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
7090 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
7091
7092 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
7093
7094 switch (ext_phy_type) {
7095 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
7096 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
7097 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
7098 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
7099 DP(NETIF_MSG_LINK,
7100 "Flash download not supported for this ext phy\n");
7101 rc = -EINVAL;
7102 break;
7103 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
7104 /* Take ext phy out of reset */
7105 if (!driver_loaded)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07007106 bnx2x_turn_on_ef(bp, port, ext_phy_addr, ext_phy_type);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007107 rc = bnx2x_sfx7101_flash_download(bp, port, ext_phy_addr,
7108 data, size);
7109 if (!driver_loaded)
Eilon Greenstein17de50b2008-08-13 15:56:59 -07007110 bnx2x_turn_off_sf(bp, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07007111 break;
7112 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
7113 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
7114 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN:
7115 default:
7116 DP(NETIF_MSG_LINK, "Invalid ext phy type\n");
7117 rc = -EINVAL;
7118 break;
7119 }
7120 return rc;
7121}
7122