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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
40#define NIG_STATUS_XGXS0_LINK10G \
41 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK10G
42#define NIG_STATUS_XGXS0_LINK_STATUS \
43 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS
44#define NIG_STATUS_XGXS0_LINK_STATUS_SIZE \
45 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE
46#define NIG_STATUS_SERDES0_LINK_STATUS \
47 NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_SERDES0_LINK_STATUS
48#define NIG_MASK_MI_INT \
49 NIG_MASK_INTERRUPT_PORT0_REG_MASK_EMAC0_MISC_MI_INT
50#define NIG_MASK_XGXS0_LINK10G \
51 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK10G
52#define NIG_MASK_XGXS0_LINK_STATUS \
53 NIG_MASK_INTERRUPT_PORT0_REG_MASK_XGXS0_LINK_STATUS
54#define NIG_MASK_SERDES0_LINK_STATUS \
55 NIG_MASK_INTERRUPT_PORT0_REG_MASK_SERDES0_LINK_STATUS
56
57#define MDIO_AN_CL73_OR_37_COMPLETE \
58 (MDIO_GP_STATUS_TOP_AN_STATUS1_CL73_AUTONEG_COMPLETE | \
59 MDIO_GP_STATUS_TOP_AN_STATUS1_CL37_AUTONEG_COMPLETE)
60
61#define XGXS_RESET_BITS \
62 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_RSTB_HW | \
63 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_IDDQ | \
64 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN | \
65 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_PWRDWN_SD | \
66 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_XGXS0_TXD_FIFO_RSTB)
67
68#define SERDES_RESET_BITS \
69 (MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_RSTB_HW | \
70 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_IDDQ | \
71 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN | \
72 MISC_REGISTERS_RESET_REG_3_MISC_NIG_MUX_SERDES0_PWRDWN_SD)
73
74#define AUTONEG_CL37 SHARED_HW_CFG_AN_ENABLE_CL37
75#define AUTONEG_CL73 SHARED_HW_CFG_AN_ENABLE_CL73
Eilon Greenstein3196a882008-08-13 15:58:49 -070076#define AUTONEG_BAM SHARED_HW_CFG_AN_ENABLE_BAM
77#define AUTONEG_PARALLEL \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070078 SHARED_HW_CFG_AN_ENABLE_PARALLEL_DETECTION
Eilon Greenstein3196a882008-08-13 15:58:49 -070079#define AUTONEG_SGMII_FIBER_AUTODET \
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070080 SHARED_HW_CFG_AN_EN_SGMII_FIBER_AUTO_DETECT
Eilon Greenstein3196a882008-08-13 15:58:49 -070081#define AUTONEG_REMOTE_PHY SHARED_HW_CFG_AN_ENABLE_REMOTE_PHY
Yaniv Rosnerea4e0402008-06-23 20:27:26 -070082
83#define GP_STATUS_PAUSE_RSOLUTION_TXSIDE \
84 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_TXSIDE
85#define GP_STATUS_PAUSE_RSOLUTION_RXSIDE \
86 MDIO_GP_STATUS_TOP_AN_STATUS1_PAUSE_RSOLUTION_RXSIDE
87#define GP_STATUS_SPEED_MASK \
88 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_MASK
89#define GP_STATUS_10M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10M
90#define GP_STATUS_100M MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_100M
91#define GP_STATUS_1G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G
92#define GP_STATUS_2_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_2_5G
93#define GP_STATUS_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_5G
94#define GP_STATUS_6G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_6G
95#define GP_STATUS_10G_HIG \
96 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_HIG
97#define GP_STATUS_10G_CX4 \
98 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_CX4
99#define GP_STATUS_12G_HIG \
100 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12G_HIG
101#define GP_STATUS_12_5G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_12_5G
102#define GP_STATUS_13G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_13G
103#define GP_STATUS_15G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_15G
104#define GP_STATUS_16G MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_16G
105#define GP_STATUS_1G_KX MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_1G_KX
106#define GP_STATUS_10G_KX4 \
107 MDIO_GP_STATUS_TOP_AN_STATUS1_ACTUAL_SPEED_10G_KX4
108
109#define LINK_10THD LINK_STATUS_SPEED_AND_DUPLEX_10THD
110#define LINK_10TFD LINK_STATUS_SPEED_AND_DUPLEX_10TFD
111#define LINK_100TXHD LINK_STATUS_SPEED_AND_DUPLEX_100TXHD
112#define LINK_100T4 LINK_STATUS_SPEED_AND_DUPLEX_100T4
113#define LINK_100TXFD LINK_STATUS_SPEED_AND_DUPLEX_100TXFD
114#define LINK_1000THD LINK_STATUS_SPEED_AND_DUPLEX_1000THD
115#define LINK_1000TFD LINK_STATUS_SPEED_AND_DUPLEX_1000TFD
116#define LINK_1000XFD LINK_STATUS_SPEED_AND_DUPLEX_1000XFD
117#define LINK_2500THD LINK_STATUS_SPEED_AND_DUPLEX_2500THD
118#define LINK_2500TFD LINK_STATUS_SPEED_AND_DUPLEX_2500TFD
119#define LINK_2500XFD LINK_STATUS_SPEED_AND_DUPLEX_2500XFD
120#define LINK_10GTFD LINK_STATUS_SPEED_AND_DUPLEX_10GTFD
121#define LINK_10GXFD LINK_STATUS_SPEED_AND_DUPLEX_10GXFD
122#define LINK_12GTFD LINK_STATUS_SPEED_AND_DUPLEX_12GTFD
123#define LINK_12GXFD LINK_STATUS_SPEED_AND_DUPLEX_12GXFD
124#define LINK_12_5GTFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GTFD
125#define LINK_12_5GXFD LINK_STATUS_SPEED_AND_DUPLEX_12_5GXFD
126#define LINK_13GTFD LINK_STATUS_SPEED_AND_DUPLEX_13GTFD
127#define LINK_13GXFD LINK_STATUS_SPEED_AND_DUPLEX_13GXFD
128#define LINK_15GTFD LINK_STATUS_SPEED_AND_DUPLEX_15GTFD
129#define LINK_15GXFD LINK_STATUS_SPEED_AND_DUPLEX_15GXFD
130#define LINK_16GTFD LINK_STATUS_SPEED_AND_DUPLEX_16GTFD
131#define LINK_16GXFD LINK_STATUS_SPEED_AND_DUPLEX_16GXFD
132
133#define PHY_XGXS_FLAG 0x1
134#define PHY_SGMII_FLAG 0x2
135#define PHY_SERDES_FLAG 0x4
136
Eilon Greenstein589abe32009-02-12 08:36:55 +0000137/* */
138#define SFP_EEPROM_CON_TYPE_ADDR 0x2
139 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7
140 #define SFP_EEPROM_CON_TYPE_VAL_COPPER 0x21
141
142#define SFP_EEPROM_FC_TX_TECH_ADDR 0x8
143 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE 0x4
144 #define SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE 0x8
145#define SFP_EEPROM_VENDOR_NAME_ADDR 0x14
146#define SFP_EEPROM_VENDOR_NAME_SIZE 16
147#define SFP_EEPROM_OPTIONS_ADDR 0x40
148 #define SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK 0x1
149#define SFP_EEPROM_OPTIONS_SIZE 2
150
151#define SFP_MODULE_TYPE_UNKNOWN 0x0
152#define SFP_MODULE_TYPE_LC 0x1
153#define SFP_MODULE_TYPE_ACTIVE_COPPER_CABLE 0x2
154#define SFP_MODULE_TYPE_PASSIVE_COPPER_CABLE 0x3
155
156#define SFP_LIMITING_MODE_VALUE 0x0044
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700157/**********************************************************/
158/* INTERFACE */
159/**********************************************************/
160#define CL45_WR_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \
161 bnx2x_cl45_write(_bp, _port, 0, _phy_addr, \
162 DEFAULT_PHY_DEV_ADDR, \
163 (_bank + (_addr & 0xf)), \
164 _val)
165
166#define CL45_RD_OVER_CL22(_bp, _port, _phy_addr, _bank, _addr, _val) \
167 bnx2x_cl45_read(_bp, _port, 0, _phy_addr, \
168 DEFAULT_PHY_DEV_ADDR, \
169 (_bank + (_addr & 0xf)), \
170 _val)
171
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000172static void bnx2x_set_serdes_access(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700173{
174 struct bnx2x *bp = params->bp;
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000175 u32 emac_base = (params->port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
176 /* Set Clause 22 */
177 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 1);
178 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245f8000);
179 udelay(500);
180 REG_WR(bp, emac_base + EMAC_REG_EMAC_MDIO_COMM, 0x245d000f);
181 udelay(500);
182 /* Set Clause 45 */
183 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_ST + params->port*0x10, 0);
184}
185static void bnx2x_set_phy_mdio(struct link_params *params, u8 phy_flags)
186{
187 struct bnx2x *bp = params->bp;
188 if (phy_flags & PHY_XGXS_FLAG) {
189 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST +
190 params->port*0x18, 0);
191 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18,
192 DEFAULT_PHY_DEV_ADDR);
193 } else {
194 bnx2x_set_serdes_access(params);
195
196 REG_WR(bp, NIG_REG_SERDES0_CTRL_MD_DEVAD +
197 params->port*0x10,
198 DEFAULT_PHY_DEV_ADDR);
199 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700200}
201
202static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits)
203{
204 u32 val = REG_RD(bp, reg);
205
206 val |= bits;
207 REG_WR(bp, reg, val);
208 return val;
209}
210
211static u32 bnx2x_bits_dis(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 void bnx2x_emac_init(struct link_params *params,
221 struct link_vars *vars)
222{
223 /* reset and unreset the emac core */
224 struct bnx2x *bp = params->bp;
225 u8 port = params->port;
226 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
227 u32 val;
228 u16 timeout;
229
230 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
231 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
232 udelay(5);
233 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
234 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
235
236 /* init emac - use read-modify-write */
237 /* self clear reset */
238 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700239 EMAC_WR(bp, EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700240
241 timeout = 200;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700242 do {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700243 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
244 DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
245 if (!timeout) {
246 DP(NETIF_MSG_LINK, "EMAC timeout!\n");
247 return;
248 }
249 timeout--;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700250 } while (val & EMAC_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700251
252 /* Set mac address */
253 val = ((params->mac_addr[0] << 8) |
254 params->mac_addr[1]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700255 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700256
257 val = ((params->mac_addr[2] << 24) |
258 (params->mac_addr[3] << 16) |
259 (params->mac_addr[4] << 8) |
260 params->mac_addr[5]);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700261 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + 4, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700262}
263
264static u8 bnx2x_emac_enable(struct link_params *params,
265 struct link_vars *vars, u8 lb)
266{
267 struct bnx2x *bp = params->bp;
268 u8 port = params->port;
269 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
270 u32 val;
271
272 DP(NETIF_MSG_LINK, "enabling EMAC\n");
273
274 /* enable emac and not bmac */
275 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 1);
276
277 /* for paladium */
278 if (CHIP_REV_IS_EMUL(bp)) {
279 /* Use lane 1 (of lanes 0-3) */
280 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
281 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
282 port*4, 1);
283 }
284 /* for fpga */
285 else
286
287 if (CHIP_REV_IS_FPGA(bp)) {
288 /* Use lane 1 (of lanes 0-3) */
289 DP(NETIF_MSG_LINK, "bnx2x_emac_enable: Setting FPGA\n");
290
291 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 1);
292 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4,
293 0);
294 } else
295 /* ASIC */
296 if (vars->phy_flags & PHY_XGXS_FLAG) {
297 u32 ser_lane = ((params->lane_config &
298 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
299 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
300
301 DP(NETIF_MSG_LINK, "XGXS\n");
302 /* select the master lanes (out of 0-3) */
303 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 +
304 port*4, ser_lane);
305 /* select XGXS */
306 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
307 port*4, 1);
308
309 } else { /* SerDes */
310 DP(NETIF_MSG_LINK, "SerDes\n");
311 /* select SerDes */
312 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL +
313 port*4, 0);
314 }
315
Eilon Greenstein811a2f22009-02-12 08:37:04 +0000316 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
317 EMAC_RX_MODE_RESET);
318 bnx2x_bits_en(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
319 EMAC_TX_MODE_RESET);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700320
321 if (CHIP_REV_IS_SLOW(bp)) {
322 /* config GMII mode */
323 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
Eilon Greenstein3196a882008-08-13 15:58:49 -0700324 EMAC_WR(bp, EMAC_REG_EMAC_MODE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700325 (val | EMAC_MODE_PORT_GMII));
326 } else { /* ASIC */
327 /* pause enable/disable */
328 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_RX_MODE,
329 EMAC_RX_MODE_FLOW_EN);
David S. Millerc0700f92008-12-16 23:53:20 -0800330 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700331 bnx2x_bits_en(bp, emac_base +
332 EMAC_REG_EMAC_RX_MODE,
333 EMAC_RX_MODE_FLOW_EN);
334
335 bnx2x_bits_dis(bp, emac_base + EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700336 (EMAC_TX_MODE_EXT_PAUSE_EN |
337 EMAC_TX_MODE_FLOW_EN));
David S. Millerc0700f92008-12-16 23:53:20 -0800338 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700339 bnx2x_bits_en(bp, emac_base +
340 EMAC_REG_EMAC_TX_MODE,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700341 (EMAC_TX_MODE_EXT_PAUSE_EN |
342 EMAC_TX_MODE_FLOW_EN));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700343 }
344
345 /* KEEP_VLAN_TAG, promiscuous */
346 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_RX_MODE);
347 val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700348 EMAC_WR(bp, EMAC_REG_EMAC_RX_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700349
350 /* Set Loopback */
351 val = REG_RD(bp, emac_base + EMAC_REG_EMAC_MODE);
352 if (lb)
353 val |= 0x810;
354 else
355 val &= ~0x810;
Eilon Greenstein3196a882008-08-13 15:58:49 -0700356 EMAC_WR(bp, EMAC_REG_EMAC_MODE, val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700357
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +0000358 /* enable emac */
359 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1);
360
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700361 /* enable emac for jumbo packets */
Eilon Greenstein3196a882008-08-13 15:58:49 -0700362 EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700363 (EMAC_RX_MTU_SIZE_JUMBO_ENA |
364 (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)));
365
366 /* strip CRC */
367 REG_WR(bp, NIG_REG_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
368
369 /* disable the NIG in/out to the bmac */
370 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x0);
371 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
372 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x0);
373
374 /* enable the NIG in/out to the emac */
375 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
376 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800377 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700378 val = 1;
379
380 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val);
381 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
382
383 if (CHIP_REV_IS_EMUL(bp)) {
384 /* take the BigMac out of reset */
385 REG_WR(bp,
386 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
387 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
388
389 /* enable access for bmac registers */
390 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
391 }
392
393 vars->mac_type = MAC_TYPE_EMAC;
394 return 0;
395}
396
397
398
399static u8 bnx2x_bmac_enable(struct link_params *params, struct link_vars *vars,
400 u8 is_lb)
401{
402 struct bnx2x *bp = params->bp;
403 u8 port = params->port;
404 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
405 NIG_REG_INGRESS_BMAC0_MEM;
406 u32 wb_data[2];
407 u32 val;
408
409 DP(NETIF_MSG_LINK, "Enabling BigMAC\n");
410 /* reset and unreset the BigMac */
411 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
412 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
413 msleep(1);
414
415 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
416 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
417
418 /* enable access for bmac registers */
419 REG_WR(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4, 0x1);
420
421 /* XGXS control */
422 wb_data[0] = 0x3c;
423 wb_data[1] = 0;
424 REG_WR_DMAE(bp, bmac_addr +
425 BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
426 wb_data, 2);
427
428 /* tx MAC SA */
429 wb_data[0] = ((params->mac_addr[2] << 24) |
430 (params->mac_addr[3] << 16) |
431 (params->mac_addr[4] << 8) |
432 params->mac_addr[5]);
433 wb_data[1] = ((params->mac_addr[0] << 8) |
434 params->mac_addr[1]);
435 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR,
436 wb_data, 2);
437
438 /* tx control */
439 val = 0xc0;
David S. Millerc0700f92008-12-16 23:53:20 -0800440 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700441 val |= 0x800000;
442 wb_data[0] = val;
443 wb_data[1] = 0;
444 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_CONTROL,
445 wb_data, 2);
446
447 /* mac control */
448 val = 0x3;
449 if (is_lb) {
450 val |= 0x4;
451 DP(NETIF_MSG_LINK, "enable bmac loopback\n");
452 }
453 wb_data[0] = val;
454 wb_data[1] = 0;
455 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
456 wb_data, 2);
457
458
459 /* set rx mtu */
460 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
461 wb_data[1] = 0;
462 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE,
463 wb_data, 2);
464
465 /* rx control set to don't strip crc */
466 val = 0x14;
David S. Millerc0700f92008-12-16 23:53:20 -0800467 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700468 val |= 0x20;
469 wb_data[0] = val;
470 wb_data[1] = 0;
471 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_CONTROL,
472 wb_data, 2);
473
474 /* set tx mtu */
475 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
476 wb_data[1] = 0;
477 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE,
478 wb_data, 2);
479
480 /* set cnt max size */
481 wb_data[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD;
482 wb_data[1] = 0;
483 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE,
484 wb_data, 2);
485
486 /* configure safc */
487 wb_data[0] = 0x1000200;
488 wb_data[1] = 0;
489 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
490 wb_data, 2);
491 /* fix for emulation */
492 if (CHIP_REV_IS_EMUL(bp)) {
493 wb_data[0] = 0xf000;
494 wb_data[1] = 0;
495 REG_WR_DMAE(bp,
496 bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
497 wb_data, 2);
498 }
499
500 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
501 REG_WR(bp, NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0);
502 REG_WR(bp, NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0);
503 val = 0;
David S. Millerc0700f92008-12-16 23:53:20 -0800504 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700505 val = 1;
506 REG_WR(bp, NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val);
507 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
508 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
509 REG_WR(bp, NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
510 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0x1);
511 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0x1);
512
513 vars->mac_type = MAC_TYPE_BMAC;
514 return 0;
515}
516
517static void bnx2x_phy_deassert(struct link_params *params, u8 phy_flags)
518{
519 struct bnx2x *bp = params->bp;
520 u32 val;
521
522 if (phy_flags & PHY_XGXS_FLAG) {
523 DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:XGXS\n");
524 val = XGXS_RESET_BITS;
525
526 } else { /* SerDes */
527 DP(NETIF_MSG_LINK, "bnx2x_phy_deassert:SerDes\n");
528 val = SERDES_RESET_BITS;
529 }
530
531 val = val << (params->port*16);
532
533 /* reset and unreset the SerDes/XGXS */
534 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
535 val);
536 udelay(500);
537 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET,
538 val);
Eilon Greensteinc1b73992009-02-12 08:37:07 +0000539 bnx2x_set_phy_mdio(params, phy_flags);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700540}
541
542void bnx2x_link_status_update(struct link_params *params,
543 struct link_vars *vars)
544{
545 struct bnx2x *bp = params->bp;
546 u8 link_10g;
547 u8 port = params->port;
548
549 if (params->switch_cfg == SWITCH_CFG_1G)
550 vars->phy_flags = PHY_SERDES_FLAG;
551 else
552 vars->phy_flags = PHY_XGXS_FLAG;
553 vars->link_status = REG_RD(bp, params->shmem_base +
554 offsetof(struct shmem_region,
555 port_mb[port].link_status));
556
557 vars->link_up = (vars->link_status & LINK_STATUS_LINK_UP);
558
559 if (vars->link_up) {
560 DP(NETIF_MSG_LINK, "phy link up\n");
561
562 vars->phy_link_up = 1;
563 vars->duplex = DUPLEX_FULL;
564 switch (vars->link_status &
565 LINK_STATUS_SPEED_AND_DUPLEX_MASK) {
566 case LINK_10THD:
567 vars->duplex = DUPLEX_HALF;
568 /* fall thru */
569 case LINK_10TFD:
570 vars->line_speed = SPEED_10;
571 break;
572
573 case LINK_100TXHD:
574 vars->duplex = DUPLEX_HALF;
575 /* fall thru */
576 case LINK_100T4:
577 case LINK_100TXFD:
578 vars->line_speed = SPEED_100;
579 break;
580
581 case LINK_1000THD:
582 vars->duplex = DUPLEX_HALF;
583 /* fall thru */
584 case LINK_1000TFD:
585 vars->line_speed = SPEED_1000;
586 break;
587
588 case LINK_2500THD:
589 vars->duplex = DUPLEX_HALF;
590 /* fall thru */
591 case LINK_2500TFD:
592 vars->line_speed = SPEED_2500;
593 break;
594
595 case LINK_10GTFD:
596 vars->line_speed = SPEED_10000;
597 break;
598
599 case LINK_12GTFD:
600 vars->line_speed = SPEED_12000;
601 break;
602
603 case LINK_12_5GTFD:
604 vars->line_speed = SPEED_12500;
605 break;
606
607 case LINK_13GTFD:
608 vars->line_speed = SPEED_13000;
609 break;
610
611 case LINK_15GTFD:
612 vars->line_speed = SPEED_15000;
613 break;
614
615 case LINK_16GTFD:
616 vars->line_speed = SPEED_16000;
617 break;
618
619 default:
620 break;
621 }
622
623 if (vars->link_status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED)
David S. Millerc0700f92008-12-16 23:53:20 -0800624 vars->flow_ctrl |= BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700625 else
David S. Millerc0700f92008-12-16 23:53:20 -0800626 vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700627
628 if (vars->link_status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED)
David S. Millerc0700f92008-12-16 23:53:20 -0800629 vars->flow_ctrl |= BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700630 else
David S. Millerc0700f92008-12-16 23:53:20 -0800631 vars->flow_ctrl &= ~BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700632
633 if (vars->phy_flags & PHY_XGXS_FLAG) {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700634 if (vars->line_speed &&
635 ((vars->line_speed == SPEED_10) ||
636 (vars->line_speed == SPEED_100))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700637 vars->phy_flags |= PHY_SGMII_FLAG;
638 } else {
639 vars->phy_flags &= ~PHY_SGMII_FLAG;
640 }
641 }
642
643 /* anything 10 and over uses the bmac */
644 link_10g = ((vars->line_speed == SPEED_10000) ||
645 (vars->line_speed == SPEED_12000) ||
646 (vars->line_speed == SPEED_12500) ||
647 (vars->line_speed == SPEED_13000) ||
648 (vars->line_speed == SPEED_15000) ||
649 (vars->line_speed == SPEED_16000));
650 if (link_10g)
651 vars->mac_type = MAC_TYPE_BMAC;
652 else
653 vars->mac_type = MAC_TYPE_EMAC;
654
655 } else { /* link down */
656 DP(NETIF_MSG_LINK, "phy link down\n");
657
658 vars->phy_link_up = 0;
659
660 vars->line_speed = 0;
661 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -0800662 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700663
664 /* indicate no mac active */
665 vars->mac_type = MAC_TYPE_NONE;
666 }
667
668 DP(NETIF_MSG_LINK, "link_status 0x%x phy_link_up %x\n",
669 vars->link_status, vars->phy_link_up);
670 DP(NETIF_MSG_LINK, "line_speed %x duplex %x flow_ctrl 0x%x\n",
671 vars->line_speed, vars->duplex, vars->flow_ctrl);
672}
673
674static void bnx2x_update_mng(struct link_params *params, u32 link_status)
675{
676 struct bnx2x *bp = params->bp;
677 REG_WR(bp, params->shmem_base +
678 offsetof(struct shmem_region,
679 port_mb[params->port].link_status),
680 link_status);
681}
682
683static void bnx2x_bmac_rx_disable(struct bnx2x *bp, u8 port)
684{
685 u32 bmac_addr = port ? NIG_REG_INGRESS_BMAC1_MEM :
686 NIG_REG_INGRESS_BMAC0_MEM;
687 u32 wb_data[2];
Eilon Greenstein3196a882008-08-13 15:58:49 -0700688 u32 nig_bmac_enable = REG_RD(bp, NIG_REG_BMAC0_REGS_OUT_EN + port*4);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700689
690 /* Only if the bmac is out of reset */
691 if (REG_RD(bp, MISC_REG_RESET_REG_2) &
692 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port) &&
693 nig_bmac_enable) {
694
695 /* Clear Rx Enable bit in BMAC_CONTROL register */
696 REG_RD_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
697 wb_data, 2);
698 wb_data[0] &= ~BMAC_CONTROL_RX_ENABLE;
699 REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL,
700 wb_data, 2);
701
702 msleep(1);
703 }
704}
705
706static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl,
707 u32 line_speed)
708{
709 struct bnx2x *bp = params->bp;
710 u8 port = params->port;
711 u32 init_crd, crd;
712 u32 count = 1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700713
714 /* disable port */
715 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
716
717 /* wait for init credit */
718 init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4);
719 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
720 DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
721
722 while ((init_crd != crd) && count) {
723 msleep(5);
724
725 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
726 count--;
727 }
728 crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8);
729 if (init_crd != crd) {
730 DP(NETIF_MSG_LINK, "BUG! init_crd 0x%x != crd 0x%x\n",
731 init_crd, crd);
732 return -EINVAL;
733 }
734
David S. Millerc0700f92008-12-16 23:53:20 -0800735 if (flow_ctrl & BNX2X_FLOW_CTRL_RX ||
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700736 line_speed == SPEED_10 ||
737 line_speed == SPEED_100 ||
738 line_speed == SPEED_1000 ||
739 line_speed == SPEED_2500) {
740 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700741 /* update threshold */
742 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0);
743 /* update init credit */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700744 init_crd = 778; /* (800-18-4) */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700745
746 } else {
747 u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE +
748 ETH_OVREHEAD)/16;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -0700749 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700750 /* update threshold */
751 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh);
752 /* update init credit */
753 switch (line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700754 case SPEED_10000:
755 init_crd = thresh + 553 - 22;
756 break;
757
758 case SPEED_12000:
759 init_crd = thresh + 664 - 22;
760 break;
761
762 case SPEED_13000:
763 init_crd = thresh + 742 - 22;
764 break;
765
766 case SPEED_16000:
767 init_crd = thresh + 778 - 22;
768 break;
769 default:
770 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
771 line_speed);
772 return -EINVAL;
773 break;
774 }
775 }
776 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, init_crd);
777 DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
778 line_speed, init_crd);
779
780 /* probe the credit changes */
781 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x1);
782 msleep(5);
783 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0);
784
785 /* enable port */
786 REG_WR(bp, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
787 return 0;
788}
789
Eilon Greenstein589abe32009-02-12 08:36:55 +0000790static u32 bnx2x_get_emac_base(struct bnx2x *bp, u32 ext_phy_type, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700791{
792 u32 emac_base;
793 switch (ext_phy_type) {
794 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
Eilon Greenstein589abe32009-02-12 08:36:55 +0000795 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
796 /* All MDC/MDIO is directed through single EMAC */
797 if (REG_RD(bp, NIG_REG_PORT_SWAP))
798 emac_base = GRCBASE_EMAC0;
799 else
800 emac_base = GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700801 break;
802 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Eilon Greenstein6378c022008-08-13 15:59:25 -0700803 emac_base = (port) ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700804 break;
805 default:
Eilon Greenstein6378c022008-08-13 15:59:25 -0700806 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700807 break;
808 }
809 return emac_base;
810
811}
812
813u8 bnx2x_cl45_write(struct bnx2x *bp, u8 port, u32 ext_phy_type,
814 u8 phy_addr, u8 devad, u16 reg, u16 val)
815{
816 u32 tmp, saved_mode;
817 u8 i, rc = 0;
Eilon Greenstein589abe32009-02-12 08:36:55 +0000818 u32 mdio_ctrl = bnx2x_get_emac_base(bp, ext_phy_type, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700819
820 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
821 * (a value of 49==0x31) and make sure that the AUTO poll is off
822 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000823
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700824 saved_mode = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
825 tmp = saved_mode & ~(EMAC_MDIO_MODE_AUTO_POLL |
826 EMAC_MDIO_MODE_CLOCK_CNT);
827 tmp |= (EMAC_MDIO_MODE_CLAUSE_45 |
828 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
829 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, tmp);
830 REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
831 udelay(40);
832
833 /* address */
834
835 tmp = ((phy_addr << 21) | (devad << 16) | reg |
836 EMAC_MDIO_COMM_COMMAND_ADDRESS |
837 EMAC_MDIO_COMM_START_BUSY);
838 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
839
840 for (i = 0; i < 50; i++) {
841 udelay(10);
842
843 tmp = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
844 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
845 udelay(5);
846 break;
847 }
848 }
849 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
850 DP(NETIF_MSG_LINK, "write phy register failed\n");
851 rc = -EFAULT;
852 } else {
853 /* data */
854 tmp = ((phy_addr << 21) | (devad << 16) | val |
855 EMAC_MDIO_COMM_COMMAND_WRITE_45 |
856 EMAC_MDIO_COMM_START_BUSY);
857 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, tmp);
858
859 for (i = 0; i < 50; i++) {
860 udelay(10);
861
862 tmp = REG_RD(bp, mdio_ctrl +
863 EMAC_REG_EMAC_MDIO_COMM);
864 if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
865 udelay(5);
866 break;
867 }
868 }
869 if (tmp & EMAC_MDIO_COMM_START_BUSY) {
870 DP(NETIF_MSG_LINK, "write phy register failed\n");
871 rc = -EFAULT;
872 }
873 }
874
875 /* Restore the saved mode */
876 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
877
878 return rc;
879}
880
881u8 bnx2x_cl45_read(struct bnx2x *bp, u8 port, u32 ext_phy_type,
882 u8 phy_addr, u8 devad, u16 reg, u16 *ret_val)
883{
884 u32 val, saved_mode;
885 u16 i;
886 u8 rc = 0;
887
Eilon Greenstein589abe32009-02-12 08:36:55 +0000888 u32 mdio_ctrl = bnx2x_get_emac_base(bp, ext_phy_type, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700889 /* set clause 45 mode, slow down the MDIO clock to 2.5MHz
890 * (a value of 49==0x31) and make sure that the AUTO poll is off
891 */
Eilon Greenstein589abe32009-02-12 08:36:55 +0000892
Yaniv Rosnerea4e0402008-06-23 20:27:26 -0700893 saved_mode = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
894 val = saved_mode & ((EMAC_MDIO_MODE_AUTO_POLL |
895 EMAC_MDIO_MODE_CLOCK_CNT));
896 val |= (EMAC_MDIO_MODE_CLAUSE_45 |
897 (49 << EMAC_MDIO_MODE_CLOCK_CNT_BITSHIFT));
898 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, val);
899 REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE);
900 udelay(40);
901
902 /* address */
903 val = ((phy_addr << 21) | (devad << 16) | reg |
904 EMAC_MDIO_COMM_COMMAND_ADDRESS |
905 EMAC_MDIO_COMM_START_BUSY);
906 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
907
908 for (i = 0; i < 50; i++) {
909 udelay(10);
910
911 val = REG_RD(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM);
912 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
913 udelay(5);
914 break;
915 }
916 }
917 if (val & EMAC_MDIO_COMM_START_BUSY) {
918 DP(NETIF_MSG_LINK, "read phy register failed\n");
919
920 *ret_val = 0;
921 rc = -EFAULT;
922
923 } else {
924 /* data */
925 val = ((phy_addr << 21) | (devad << 16) |
926 EMAC_MDIO_COMM_COMMAND_READ_45 |
927 EMAC_MDIO_COMM_START_BUSY);
928 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_COMM, val);
929
930 for (i = 0; i < 50; i++) {
931 udelay(10);
932
933 val = REG_RD(bp, mdio_ctrl +
934 EMAC_REG_EMAC_MDIO_COMM);
935 if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
936 *ret_val = (u16)(val & EMAC_MDIO_COMM_DATA);
937 break;
938 }
939 }
940 if (val & EMAC_MDIO_COMM_START_BUSY) {
941 DP(NETIF_MSG_LINK, "read phy register failed\n");
942
943 *ret_val = 0;
944 rc = -EFAULT;
945 }
946 }
947
948 /* Restore the saved mode */
949 REG_WR(bp, mdio_ctrl + EMAC_REG_EMAC_MDIO_MODE, saved_mode);
950
951 return rc;
952}
953
954static void bnx2x_set_aer_mmd(struct link_params *params,
955 struct link_vars *vars)
956{
957 struct bnx2x *bp = params->bp;
958 u32 ser_lane;
959 u16 offset;
960
961 ser_lane = ((params->lane_config &
962 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
963 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
964
965 offset = (vars->phy_flags & PHY_XGXS_FLAG) ?
966 (params->phy_addr + ser_lane) : 0;
967
968 CL45_WR_OVER_CL22(bp, params->port,
969 params->phy_addr,
970 MDIO_REG_BANK_AER_BLOCK,
971 MDIO_AER_BLOCK_AER_REG, 0x3800 + offset);
972}
973
974static void bnx2x_set_master_ln(struct link_params *params)
975{
976 struct bnx2x *bp = params->bp;
977 u16 new_master_ln, ser_lane;
978 ser_lane = ((params->lane_config &
979 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
980 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
981
982 /* set the master_ln for AN */
983 CL45_RD_OVER_CL22(bp, params->port,
984 params->phy_addr,
985 MDIO_REG_BANK_XGXS_BLOCK2,
986 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
987 &new_master_ln);
988
989 CL45_WR_OVER_CL22(bp, params->port,
990 params->phy_addr,
991 MDIO_REG_BANK_XGXS_BLOCK2 ,
992 MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
993 (new_master_ln | ser_lane));
994}
995
996static u8 bnx2x_reset_unicore(struct link_params *params)
997{
998 struct bnx2x *bp = params->bp;
999 u16 mii_control;
1000 u16 i;
1001
1002 CL45_RD_OVER_CL22(bp, params->port,
1003 params->phy_addr,
1004 MDIO_REG_BANK_COMBO_IEEE0,
1005 MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
1006
1007 /* reset the unicore */
1008 CL45_WR_OVER_CL22(bp, params->port,
1009 params->phy_addr,
1010 MDIO_REG_BANK_COMBO_IEEE0,
1011 MDIO_COMBO_IEEE0_MII_CONTROL,
1012 (mii_control |
1013 MDIO_COMBO_IEEO_MII_CONTROL_RESET));
1014
Eilon Greensteinc1b73992009-02-12 08:37:07 +00001015 bnx2x_set_serdes_access(params);
1016
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001017 /* wait for the reset to self clear */
1018 for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
1019 udelay(5);
1020
1021 /* the reset erased the previous bank value */
1022 CL45_RD_OVER_CL22(bp, params->port,
1023 params->phy_addr,
1024 MDIO_REG_BANK_COMBO_IEEE0,
1025 MDIO_COMBO_IEEE0_MII_CONTROL,
1026 &mii_control);
1027
1028 if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
1029 udelay(5);
1030 return 0;
1031 }
1032 }
1033
1034 DP(NETIF_MSG_LINK, "BUG! XGXS is still in reset!\n");
1035 return -EINVAL;
1036
1037}
1038
1039static void bnx2x_set_swap_lanes(struct link_params *params)
1040{
1041 struct bnx2x *bp = params->bp;
1042 /* Each two bits represents a lane number:
1043 No swap is 0123 => 0x1b no need to enable the swap */
1044 u16 ser_lane, rx_lane_swap, tx_lane_swap;
1045
1046 ser_lane = ((params->lane_config &
1047 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
1048 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
1049 rx_lane_swap = ((params->lane_config &
1050 PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
1051 PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
1052 tx_lane_swap = ((params->lane_config &
1053 PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
1054 PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
1055
1056 if (rx_lane_swap != 0x1b) {
1057 CL45_WR_OVER_CL22(bp, params->port,
1058 params->phy_addr,
1059 MDIO_REG_BANK_XGXS_BLOCK2,
1060 MDIO_XGXS_BLOCK2_RX_LN_SWAP,
1061 (rx_lane_swap |
1062 MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
1063 MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
1064 } else {
1065 CL45_WR_OVER_CL22(bp, params->port,
1066 params->phy_addr,
1067 MDIO_REG_BANK_XGXS_BLOCK2,
1068 MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
1069 }
1070
1071 if (tx_lane_swap != 0x1b) {
1072 CL45_WR_OVER_CL22(bp, params->port,
1073 params->phy_addr,
1074 MDIO_REG_BANK_XGXS_BLOCK2,
1075 MDIO_XGXS_BLOCK2_TX_LN_SWAP,
1076 (tx_lane_swap |
1077 MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
1078 } else {
1079 CL45_WR_OVER_CL22(bp, params->port,
1080 params->phy_addr,
1081 MDIO_REG_BANK_XGXS_BLOCK2,
1082 MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
1083 }
1084}
1085
1086static void bnx2x_set_parallel_detection(struct link_params *params,
Eilon Greenstein3196a882008-08-13 15:58:49 -07001087 u8 phy_flags)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001088{
1089 struct bnx2x *bp = params->bp;
1090 u16 control2;
1091
1092 CL45_RD_OVER_CL22(bp, params->port,
1093 params->phy_addr,
1094 MDIO_REG_BANK_SERDES_DIGITAL,
1095 MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
1096 &control2);
1097
1098
1099 control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
1100
1101
1102 CL45_WR_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 if (phy_flags & PHY_XGXS_FLAG) {
1109 DP(NETIF_MSG_LINK, "XGXS\n");
1110
1111 CL45_WR_OVER_CL22(bp, params->port,
1112 params->phy_addr,
1113 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1114 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
1115 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
1116
1117 CL45_RD_OVER_CL22(bp, params->port,
1118 params->phy_addr,
1119 MDIO_REG_BANK_10G_PARALLEL_DETECT,
1120 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
1121 &control2);
1122
1123
1124 control2 |=
1125 MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
1126
1127 CL45_WR_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 /* Disable parallel detection of HiG */
1134 CL45_WR_OVER_CL22(bp, params->port,
1135 params->phy_addr,
1136 MDIO_REG_BANK_XGXS_BLOCK2,
1137 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G,
1138 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_CX4_XGXS |
1139 MDIO_XGXS_BLOCK2_UNICORE_MODE_10G_HIGIG_XGXS);
1140 }
1141}
1142
1143static void bnx2x_set_autoneg(struct link_params *params,
1144 struct link_vars *vars)
1145{
1146 struct bnx2x *bp = params->bp;
1147 u16 reg_val;
1148
1149 /* CL37 Autoneg */
1150
1151 CL45_RD_OVER_CL22(bp, params->port,
1152 params->phy_addr,
1153 MDIO_REG_BANK_COMBO_IEEE0,
1154 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1155
1156 /* CL37 Autoneg Enabled */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001157 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001158 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
1159 else /* CL37 Autoneg Disabled */
1160 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1161 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
1162
1163 CL45_WR_OVER_CL22(bp, params->port,
1164 params->phy_addr,
1165 MDIO_REG_BANK_COMBO_IEEE0,
1166 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1167
1168 /* Enable/Disable Autodetection */
1169
1170 CL45_RD_OVER_CL22(bp, params->port,
1171 params->phy_addr,
1172 MDIO_REG_BANK_SERDES_DIGITAL,
1173 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, &reg_val);
1174 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001175 if (vars->line_speed == SPEED_AUTO_NEG)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001176 reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1177 else
1178 reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
1179
1180 CL45_WR_OVER_CL22(bp, params->port,
1181 params->phy_addr,
1182 MDIO_REG_BANK_SERDES_DIGITAL,
1183 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
1184
1185 /* Enable TetonII and BAM autoneg */
1186 CL45_RD_OVER_CL22(bp, params->port,
1187 params->phy_addr,
1188 MDIO_REG_BANK_BAM_NEXT_PAGE,
1189 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1190 &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001191 if (vars->line_speed == SPEED_AUTO_NEG) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001192 /* Enable BAM aneg Mode and TetonII aneg Mode */
1193 reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1194 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1195 } else {
1196 /* TetonII and BAM Autoneg Disabled */
1197 reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
1198 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
1199 }
1200 CL45_WR_OVER_CL22(bp, params->port,
1201 params->phy_addr,
1202 MDIO_REG_BANK_BAM_NEXT_PAGE,
1203 MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
1204 reg_val);
1205
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001206 /* CL73 Autoneg Disabled */
1207 reg_val = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001208
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001209 CL45_WR_OVER_CL22(bp, params->port,
1210 params->phy_addr,
1211 MDIO_REG_BANK_CL73_IEEEB0,
1212 MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
1213}
1214
1215/* program SerDes, forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001216static void bnx2x_program_serdes(struct link_params *params,
1217 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001218{
1219 struct bnx2x *bp = params->bp;
1220 u16 reg_val;
1221
1222 /* program duplex, disable autoneg */
1223
1224 CL45_RD_OVER_CL22(bp, params->port,
1225 params->phy_addr,
1226 MDIO_REG_BANK_COMBO_IEEE0,
1227 MDIO_COMBO_IEEE0_MII_CONTROL, &reg_val);
1228 reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
1229 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN);
1230 if (params->req_duplex == DUPLEX_FULL)
1231 reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
1232 CL45_WR_OVER_CL22(bp, params->port,
1233 params->phy_addr,
1234 MDIO_REG_BANK_COMBO_IEEE0,
1235 MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
1236
1237 /* program speed
1238 - needed only if the speed is greater than 1G (2.5G or 10G) */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001239 CL45_RD_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001240 params->phy_addr,
1241 MDIO_REG_BANK_SERDES_DIGITAL,
1242 MDIO_SERDES_DIGITAL_MISC1, &reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001243 /* clearing the speed value before setting the right speed */
1244 DP(NETIF_MSG_LINK, "MDIO_REG_BANK_SERDES_DIGITAL = 0x%x\n", reg_val);
1245
1246 reg_val &= ~(MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK |
1247 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
1248
1249 if (!((vars->line_speed == SPEED_1000) ||
1250 (vars->line_speed == SPEED_100) ||
1251 (vars->line_speed == SPEED_10))) {
1252
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001253 reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
1254 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001255 if (vars->line_speed == SPEED_10000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001256 reg_val |=
1257 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001258 if (vars->line_speed == SPEED_13000)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001259 reg_val |=
1260 MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_13G;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001261 }
1262
1263 CL45_WR_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001264 params->phy_addr,
1265 MDIO_REG_BANK_SERDES_DIGITAL,
1266 MDIO_SERDES_DIGITAL_MISC1, reg_val);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001267
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001268}
1269
1270static void bnx2x_set_brcm_cl37_advertisment(struct link_params *params)
1271{
1272 struct bnx2x *bp = params->bp;
1273 u16 val = 0;
1274
1275 /* configure the 48 bits for BAM AN */
1276
1277 /* set extended capabilities */
1278 if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)
1279 val |= MDIO_OVER_1G_UP1_2_5G;
1280 if (params->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
1281 val |= MDIO_OVER_1G_UP1_10G;
1282 CL45_WR_OVER_CL22(bp, params->port,
1283 params->phy_addr,
1284 MDIO_REG_BANK_OVER_1G,
1285 MDIO_OVER_1G_UP1, val);
1286
1287 CL45_WR_OVER_CL22(bp, params->port,
1288 params->phy_addr,
1289 MDIO_REG_BANK_OVER_1G,
1290 MDIO_OVER_1G_UP3, 0);
1291}
1292
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001293static void bnx2x_calc_ieee_aneg_adv(struct link_params *params, u32 *ieee_fc)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001294{
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001295 *ieee_fc = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001296 /* resolve pause mode and advertisement
1297 * Please refer to Table 28B-3 of the 802.3ab-1999 spec */
1298
1299 switch (params->req_flow_ctrl) {
David S. Millerc0700f92008-12-16 23:53:20 -08001300 case BNX2X_FLOW_CTRL_AUTO:
1301 if (params->req_fc_auto_adv == BNX2X_FLOW_CTRL_BOTH) {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001302 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001303 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
1304 } else {
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001305 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001306 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1307 }
1308 break;
David S. Millerc0700f92008-12-16 23:53:20 -08001309 case BNX2X_FLOW_CTRL_TX:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001310 *ieee_fc |=
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001311 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
1312 break;
1313
David S. Millerc0700f92008-12-16 23:53:20 -08001314 case BNX2X_FLOW_CTRL_RX:
1315 case BNX2X_FLOW_CTRL_BOTH:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001316 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001317 break;
1318
David S. Millerc0700f92008-12-16 23:53:20 -08001319 case BNX2X_FLOW_CTRL_NONE:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001320 default:
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001321 *ieee_fc |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001322 break;
1323 }
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001324}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001325
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001326static void bnx2x_set_ieee_aneg_advertisment(struct link_params *params,
1327 u32 ieee_fc)
1328{
1329 struct bnx2x *bp = params->bp;
1330 /* for AN, we are always publishing full duplex */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001331
1332 CL45_WR_OVER_CL22(bp, params->port,
1333 params->phy_addr,
1334 MDIO_REG_BANK_COMBO_IEEE0,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001335 MDIO_COMBO_IEEE0_AUTO_NEG_ADV, (u16)ieee_fc);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001336}
1337
1338static void bnx2x_restart_autoneg(struct link_params *params)
1339{
1340 struct bnx2x *bp = params->bp;
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001341 u16 mii_control;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001342 DP(NETIF_MSG_LINK, "bnx2x_restart_autoneg\n");
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001343 /* Enable and restart BAM/CL37 aneg */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001344
Eilon Greenstein3a36f2e2009-02-12 08:37:09 +00001345 CL45_RD_OVER_CL22(bp, params->port,
1346 params->phy_addr,
1347 MDIO_REG_BANK_COMBO_IEEE0,
1348 MDIO_COMBO_IEEE0_MII_CONTROL,
1349 &mii_control);
1350 DP(NETIF_MSG_LINK,
1351 "bnx2x_restart_autoneg mii_control before = 0x%x\n",
1352 mii_control);
1353 CL45_WR_OVER_CL22(bp, params->port,
1354 params->phy_addr,
1355 MDIO_REG_BANK_COMBO_IEEE0,
1356 MDIO_COMBO_IEEE0_MII_CONTROL,
1357 (mii_control |
1358 MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1359 MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001360}
1361
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001362static void bnx2x_initialize_sgmii_process(struct link_params *params,
1363 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001364{
1365 struct bnx2x *bp = params->bp;
1366 u16 control1;
1367
1368 /* in SGMII mode, the unicore is always slave */
1369
1370 CL45_RD_OVER_CL22(bp, params->port,
1371 params->phy_addr,
1372 MDIO_REG_BANK_SERDES_DIGITAL,
1373 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1374 &control1);
1375 control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
1376 /* set sgmii mode (and not fiber) */
1377 control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
1378 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
1379 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
1380 CL45_WR_OVER_CL22(bp, params->port,
1381 params->phy_addr,
1382 MDIO_REG_BANK_SERDES_DIGITAL,
1383 MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
1384 control1);
1385
1386 /* if forced speed */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001387 if (!(vars->line_speed == SPEED_AUTO_NEG)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001388 /* set speed, disable autoneg */
1389 u16 mii_control;
1390
1391 CL45_RD_OVER_CL22(bp, params->port,
1392 params->phy_addr,
1393 MDIO_REG_BANK_COMBO_IEEE0,
1394 MDIO_COMBO_IEEE0_MII_CONTROL,
1395 &mii_control);
1396 mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
1397 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK|
1398 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
1399
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001400 switch (vars->line_speed) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001401 case SPEED_100:
1402 mii_control |=
1403 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
1404 break;
1405 case SPEED_1000:
1406 mii_control |=
1407 MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
1408 break;
1409 case SPEED_10:
1410 /* there is nothing to set for 10M */
1411 break;
1412 default:
1413 /* invalid speed for SGMII */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001414 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n",
1415 vars->line_speed);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001416 break;
1417 }
1418
1419 /* setting the full duplex */
1420 if (params->req_duplex == DUPLEX_FULL)
1421 mii_control |=
1422 MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
1423 CL45_WR_OVER_CL22(bp, params->port,
1424 params->phy_addr,
1425 MDIO_REG_BANK_COMBO_IEEE0,
1426 MDIO_COMBO_IEEE0_MII_CONTROL,
1427 mii_control);
1428
1429 } else { /* AN mode */
1430 /* enable and restart AN */
1431 bnx2x_restart_autoneg(params);
1432 }
1433}
1434
1435
1436/*
1437 * link management
1438 */
1439
1440static void bnx2x_pause_resolve(struct link_vars *vars, u32 pause_result)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001441{ /* LD LP */
1442 switch (pause_result) { /* ASYM P ASYM P */
1443 case 0xb: /* 1 0 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001444 vars->flow_ctrl = BNX2X_FLOW_CTRL_TX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001445 break;
1446
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001447 case 0xe: /* 1 1 1 0 */
David S. Millerc0700f92008-12-16 23:53:20 -08001448 vars->flow_ctrl = BNX2X_FLOW_CTRL_RX;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001449 break;
1450
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001451 case 0x5: /* 0 1 0 1 */
1452 case 0x7: /* 0 1 1 1 */
1453 case 0xd: /* 1 1 0 1 */
1454 case 0xf: /* 1 1 1 1 */
David S. Millerc0700f92008-12-16 23:53:20 -08001455 vars->flow_ctrl = BNX2X_FLOW_CTRL_BOTH;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001456 break;
1457
1458 default:
1459 break;
1460 }
1461}
1462
1463static u8 bnx2x_ext_phy_resove_fc(struct link_params *params,
1464 struct link_vars *vars)
1465{
1466 struct bnx2x *bp = params->bp;
1467 u8 ext_phy_addr;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001468 u16 ld_pause; /* local */
1469 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001470 u16 an_complete; /* AN complete */
1471 u16 pause_result;
1472 u8 ret = 0;
1473 u32 ext_phy_type;
1474 u8 port = params->port;
1475 ext_phy_addr = ((params->ext_phy_config &
1476 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
1477 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
1478
1479 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
1480 /* read twice */
1481
1482 bnx2x_cl45_read(bp, port,
1483 ext_phy_type,
1484 ext_phy_addr,
1485 MDIO_AN_DEVAD,
1486 MDIO_AN_REG_STATUS, &an_complete);
1487 bnx2x_cl45_read(bp, port,
1488 ext_phy_type,
1489 ext_phy_addr,
1490 MDIO_AN_DEVAD,
1491 MDIO_AN_REG_STATUS, &an_complete);
1492
1493 if (an_complete & MDIO_AN_REG_STATUS_AN_COMPLETE) {
1494 ret = 1;
1495 bnx2x_cl45_read(bp, port,
1496 ext_phy_type,
1497 ext_phy_addr,
1498 MDIO_AN_DEVAD,
1499 MDIO_AN_REG_ADV_PAUSE, &ld_pause);
1500 bnx2x_cl45_read(bp, port,
1501 ext_phy_type,
1502 ext_phy_addr,
1503 MDIO_AN_DEVAD,
1504 MDIO_AN_REG_LP_AUTO_NEG, &lp_pause);
1505 pause_result = (ld_pause &
1506 MDIO_AN_REG_ADV_PAUSE_MASK) >> 8;
1507 pause_result |= (lp_pause &
1508 MDIO_AN_REG_ADV_PAUSE_MASK) >> 10;
1509 DP(NETIF_MSG_LINK, "Ext PHY pause result 0x%x \n",
1510 pause_result);
1511 bnx2x_pause_resolve(vars, pause_result);
David S. Millerc0700f92008-12-16 23:53:20 -08001512 if (vars->flow_ctrl == BNX2X_FLOW_CTRL_NONE &&
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001513 ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
1514 bnx2x_cl45_read(bp, port,
1515 ext_phy_type,
1516 ext_phy_addr,
1517 MDIO_AN_DEVAD,
1518 MDIO_AN_REG_CL37_FC_LD, &ld_pause);
1519
1520 bnx2x_cl45_read(bp, port,
1521 ext_phy_type,
1522 ext_phy_addr,
1523 MDIO_AN_DEVAD,
1524 MDIO_AN_REG_CL37_FC_LP, &lp_pause);
1525 pause_result = (ld_pause &
1526 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 5;
1527 pause_result |= (lp_pause &
1528 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) >> 7;
1529
1530 bnx2x_pause_resolve(vars, pause_result);
1531 DP(NETIF_MSG_LINK, "Ext PHY CL37 pause result 0x%x \n",
1532 pause_result);
1533 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001534 }
1535 return ret;
1536}
1537
1538
1539static void bnx2x_flow_ctrl_resolve(struct link_params *params,
1540 struct link_vars *vars,
1541 u32 gp_status)
1542{
1543 struct bnx2x *bp = params->bp;
Eilon Greenstein3196a882008-08-13 15:58:49 -07001544 u16 ld_pause; /* local driver */
1545 u16 lp_pause; /* link partner */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001546 u16 pause_result;
1547
David S. Millerc0700f92008-12-16 23:53:20 -08001548 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001549
1550 /* resolve from gp_status in case of AN complete and not sgmii */
David S. Millerc0700f92008-12-16 23:53:20 -08001551 if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001552 (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
1553 (!(vars->phy_flags & PHY_SGMII_FLAG)) &&
1554 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1555 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
1556 CL45_RD_OVER_CL22(bp, params->port,
1557 params->phy_addr,
1558 MDIO_REG_BANK_COMBO_IEEE0,
1559 MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
1560 &ld_pause);
1561 CL45_RD_OVER_CL22(bp, params->port,
1562 params->phy_addr,
1563 MDIO_REG_BANK_COMBO_IEEE0,
1564 MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
1565 &lp_pause);
1566 pause_result = (ld_pause &
1567 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
1568 pause_result |= (lp_pause &
1569 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
1570 DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result);
1571 bnx2x_pause_resolve(vars, pause_result);
David S. Millerc0700f92008-12-16 23:53:20 -08001572 } else if ((params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001573 (bnx2x_ext_phy_resove_fc(params, vars))) {
1574 return;
1575 } else {
David S. Millerc0700f92008-12-16 23:53:20 -08001576 if (params->req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001577 vars->flow_ctrl = params->req_fc_auto_adv;
1578 else
1579 vars->flow_ctrl = params->req_flow_ctrl;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001580 }
1581 DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", vars->flow_ctrl);
1582}
1583
1584
1585static u8 bnx2x_link_settings_status(struct link_params *params,
1586 struct link_vars *vars,
1587 u32 gp_status)
1588{
1589 struct bnx2x *bp = params->bp;
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001590 u16 new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001591 u8 rc = 0;
1592 vars->link_status = 0;
1593
1594 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
1595 DP(NETIF_MSG_LINK, "phy link up gp_status=0x%x\n",
1596 gp_status);
1597
1598 vars->phy_link_up = 1;
1599 vars->link_status |= LINK_STATUS_LINK_UP;
1600
1601 if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS)
1602 vars->duplex = DUPLEX_FULL;
1603 else
1604 vars->duplex = DUPLEX_HALF;
1605
1606 bnx2x_flow_ctrl_resolve(params, vars, gp_status);
1607
1608 switch (gp_status & GP_STATUS_SPEED_MASK) {
1609 case GP_STATUS_10M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001610 new_line_speed = SPEED_10;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001611 if (vars->duplex == DUPLEX_FULL)
1612 vars->link_status |= LINK_10TFD;
1613 else
1614 vars->link_status |= LINK_10THD;
1615 break;
1616
1617 case GP_STATUS_100M:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001618 new_line_speed = SPEED_100;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001619 if (vars->duplex == DUPLEX_FULL)
1620 vars->link_status |= LINK_100TXFD;
1621 else
1622 vars->link_status |= LINK_100TXHD;
1623 break;
1624
1625 case GP_STATUS_1G:
1626 case GP_STATUS_1G_KX:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001627 new_line_speed = SPEED_1000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001628 if (vars->duplex == DUPLEX_FULL)
1629 vars->link_status |= LINK_1000TFD;
1630 else
1631 vars->link_status |= LINK_1000THD;
1632 break;
1633
1634 case GP_STATUS_2_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001635 new_line_speed = SPEED_2500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001636 if (vars->duplex == DUPLEX_FULL)
1637 vars->link_status |= LINK_2500TFD;
1638 else
1639 vars->link_status |= LINK_2500THD;
1640 break;
1641
1642 case GP_STATUS_5G:
1643 case GP_STATUS_6G:
1644 DP(NETIF_MSG_LINK,
1645 "link speed unsupported gp_status 0x%x\n",
1646 gp_status);
1647 return -EINVAL;
1648 break;
1649 case GP_STATUS_10G_KX4:
1650 case GP_STATUS_10G_HIG:
1651 case GP_STATUS_10G_CX4:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001652 new_line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001653 vars->link_status |= LINK_10GTFD;
1654 break;
1655
1656 case GP_STATUS_12G_HIG:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001657 new_line_speed = SPEED_12000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001658 vars->link_status |= LINK_12GTFD;
1659 break;
1660
1661 case GP_STATUS_12_5G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001662 new_line_speed = SPEED_12500;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001663 vars->link_status |= LINK_12_5GTFD;
1664 break;
1665
1666 case GP_STATUS_13G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001667 new_line_speed = SPEED_13000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001668 vars->link_status |= LINK_13GTFD;
1669 break;
1670
1671 case GP_STATUS_15G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001672 new_line_speed = SPEED_15000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001673 vars->link_status |= LINK_15GTFD;
1674 break;
1675
1676 case GP_STATUS_16G:
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001677 new_line_speed = SPEED_16000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001678 vars->link_status |= LINK_16GTFD;
1679 break;
1680
1681 default:
1682 DP(NETIF_MSG_LINK,
1683 "link speed unsupported gp_status 0x%x\n",
1684 gp_status);
1685 return -EINVAL;
1686 break;
1687 }
1688
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00001689 /* Upon link speed change set the NIG into drain mode.
1690 Comes to deals with possible FIFO glitch due to clk change
1691 when speed is decreased without link down indicator */
1692 if (new_line_speed != vars->line_speed) {
1693 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
1694 + params->port*4, 0);
1695 msleep(1);
1696 }
1697 vars->line_speed = new_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001698 vars->link_status |= LINK_STATUS_SERDES_LINK;
1699
Yaniv Rosner57963ed2008-08-13 15:55:28 -07001700 if ((params->req_line_speed == SPEED_AUTO_NEG) &&
1701 ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1702 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
1703 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
Eilon Greenstein589abe32009-02-12 08:36:55 +00001704 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
1705 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
Eilon Greenstein28577182009-02-12 08:37:00 +00001706 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
1707 (XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
1708 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001709 vars->autoneg = AUTO_NEG_ENABLED;
1710
1711 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
1712 vars->autoneg |= AUTO_NEG_COMPLETE;
1713 vars->link_status |=
1714 LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
1715 }
1716
1717 vars->autoneg |= AUTO_NEG_PARALLEL_DETECTION_USED;
1718 vars->link_status |=
1719 LINK_STATUS_PARALLEL_DETECTION_USED;
1720
1721 }
David S. Millerc0700f92008-12-16 23:53:20 -08001722 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_TX)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001723 vars->link_status |=
1724 LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001725
David S. Millerc0700f92008-12-16 23:53:20 -08001726 if (vars->flow_ctrl & BNX2X_FLOW_CTRL_RX)
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001727 vars->link_status |=
1728 LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001729
1730 } else { /* link_down */
1731 DP(NETIF_MSG_LINK, "phy link down\n");
1732
1733 vars->phy_link_up = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07001734
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001735 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08001736 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001737 vars->autoneg = AUTO_NEG_DISABLED;
1738 vars->mac_type = MAC_TYPE_NONE;
1739 }
1740
1741 DP(NETIF_MSG_LINK, "gp_status 0x%x phy_link_up %x line_speed %x \n",
1742 gp_status, vars->phy_link_up, vars->line_speed);
1743 DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x"
1744 " autoneg 0x%x\n",
1745 vars->duplex,
1746 vars->flow_ctrl, vars->autoneg);
1747 DP(NETIF_MSG_LINK, "link_status 0x%x\n", vars->link_status);
1748
1749 return rc;
1750}
1751
Eilon Greensteined8680a2009-02-12 08:37:12 +00001752static void bnx2x_set_gmii_tx_driver(struct link_params *params)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001753{
1754 struct bnx2x *bp = params->bp;
1755 u16 lp_up2;
1756 u16 tx_driver;
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001757 u16 bank;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001758
1759 /* read precomp */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001760 CL45_RD_OVER_CL22(bp, params->port,
1761 params->phy_addr,
1762 MDIO_REG_BANK_OVER_1G,
1763 MDIO_OVER_1G_LP_UP2, &lp_up2);
1764
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001765 /* bits [10:7] at lp_up2, positioned at [15:12] */
1766 lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
1767 MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
1768 MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
1769
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001770 if (lp_up2 == 0)
1771 return;
1772
1773 for (bank = MDIO_REG_BANK_TX0; bank <= MDIO_REG_BANK_TX3;
1774 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0)) {
1775 CL45_RD_OVER_CL22(bp, params->port,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001776 params->phy_addr,
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00001777 bank,
1778 MDIO_TX0_TX_DRIVER, &tx_driver);
1779
1780 /* replace tx_driver bits [15:12] */
1781 if (lp_up2 !=
1782 (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK)) {
1783 tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
1784 tx_driver |= lp_up2;
1785 CL45_WR_OVER_CL22(bp, params->port,
1786 params->phy_addr,
1787 bank,
1788 MDIO_TX0_TX_DRIVER, tx_driver);
1789 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001790 }
1791}
1792
1793static u8 bnx2x_emac_program(struct link_params *params,
1794 u32 line_speed, u32 duplex)
1795{
1796 struct bnx2x *bp = params->bp;
1797 u8 port = params->port;
1798 u16 mode = 0;
1799
1800 DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
1801 bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400 +
1802 EMAC_REG_EMAC_MODE,
1803 (EMAC_MODE_25G_MODE |
1804 EMAC_MODE_PORT_MII_10M |
1805 EMAC_MODE_HALF_DUPLEX));
1806 switch (line_speed) {
1807 case SPEED_10:
1808 mode |= EMAC_MODE_PORT_MII_10M;
1809 break;
1810
1811 case SPEED_100:
1812 mode |= EMAC_MODE_PORT_MII;
1813 break;
1814
1815 case SPEED_1000:
1816 mode |= EMAC_MODE_PORT_GMII;
1817 break;
1818
1819 case SPEED_2500:
1820 mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
1821 break;
1822
1823 default:
1824 /* 10G not valid for EMAC */
1825 DP(NETIF_MSG_LINK, "Invalid line_speed 0x%x\n", line_speed);
1826 return -EINVAL;
1827 }
1828
1829 if (duplex == DUPLEX_HALF)
1830 mode |= EMAC_MODE_HALF_DUPLEX;
1831 bnx2x_bits_en(bp,
1832 GRCBASE_EMAC0 + port*0x400 + EMAC_REG_EMAC_MODE,
1833 mode);
1834
1835 bnx2x_set_led(bp, params->port, LED_MODE_OPER,
1836 line_speed, params->hw_led_mode, params->chip_id);
1837 return 0;
1838}
1839
1840/*****************************************************************************/
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001841/* External Phy section */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001842/*****************************************************************************/
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001843static void bnx2x_hw_reset(struct bnx2x *bp, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001844{
1845 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001846 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001847 msleep(1);
1848 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001849 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001850}
1851
1852static void bnx2x_ext_phy_reset(struct link_params *params,
1853 struct link_vars *vars)
1854{
1855 struct bnx2x *bp = params->bp;
1856 u32 ext_phy_type;
1857 u8 ext_phy_addr = ((params->ext_phy_config &
1858 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
1859 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
1860 DP(NETIF_MSG_LINK, "Port %x: bnx2x_ext_phy_reset\n", params->port);
1861 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
1862 /* The PHY reset is controled by GPIO 1
1863 * Give it 1ms of reset pulse
1864 */
1865 if (vars->phy_flags & PHY_XGXS_FLAG) {
1866
1867 switch (ext_phy_type) {
1868 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
1869 DP(NETIF_MSG_LINK, "XGXS Direct\n");
1870 break;
1871
1872 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
1873 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
1874 DP(NETIF_MSG_LINK, "XGXS 8705/8706\n");
1875
1876 /* Restore normal power mode*/
1877 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001878 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1879 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001880
1881 /* HW reset */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001882 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001883
1884 bnx2x_cl45_write(bp, params->port,
1885 ext_phy_type,
1886 ext_phy_addr,
1887 MDIO_PMA_DEVAD,
1888 MDIO_PMA_REG_CTRL, 0xa040);
1889 break;
Eilon Greenstein589abe32009-02-12 08:36:55 +00001890 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
1891
1892 /* Restore normal power mode*/
1893 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
1894 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1895 params->port);
1896
1897 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
1898 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1899 params->port);
1900
1901 bnx2x_cl45_write(bp, params->port,
1902 ext_phy_type,
1903 ext_phy_addr,
1904 MDIO_PMA_DEVAD,
1905 MDIO_PMA_REG_CTRL,
1906 1<<15);
1907
1908 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001909 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
1910 /* Unset Low Power Mode and SW reset */
1911 /* Restore normal power mode*/
1912 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001913 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1914 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001915
1916 DP(NETIF_MSG_LINK, "XGXS 8072\n");
1917 bnx2x_cl45_write(bp, params->port,
1918 ext_phy_type,
1919 ext_phy_addr,
1920 MDIO_PMA_DEVAD,
1921 MDIO_PMA_REG_CTRL,
1922 1<<15);
1923 break;
1924 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
1925 {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001926
1927 /* Restore normal power mode*/
1928 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001929 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1930 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001931
1932 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001933 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1934 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001935
1936 DP(NETIF_MSG_LINK, "XGXS 8073\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001937 }
1938 break;
1939
1940 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
1941 DP(NETIF_MSG_LINK, "XGXS SFX7101\n");
1942
1943 /* Restore normal power mode*/
1944 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001945 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1946 params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001947
1948 /* HW reset */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001949 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001950
1951 break;
1952
Eilon Greenstein28577182009-02-12 08:37:00 +00001953 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
1954
1955 /* Restore normal power mode*/
1956 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
1957 MISC_REGISTERS_GPIO_OUTPUT_HIGH,
1958 params->port);
1959
1960 /* HW reset */
1961 bnx2x_hw_reset(bp, params->port);
1962
1963 bnx2x_cl45_write(bp, params->port,
1964 ext_phy_type,
1965 ext_phy_addr,
1966 MDIO_PMA_DEVAD,
1967 MDIO_PMA_REG_CTRL,
1968 1<<15);
1969 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001970 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
1971 DP(NETIF_MSG_LINK, "XGXS PHY Failure detected\n");
1972 break;
1973
1974 default:
1975 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
1976 params->ext_phy_config);
1977 break;
1978 }
1979
1980 } else { /* SerDes */
1981 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
1982 switch (ext_phy_type) {
1983 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
1984 DP(NETIF_MSG_LINK, "SerDes Direct\n");
1985 break;
1986
1987 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
1988 DP(NETIF_MSG_LINK, "SerDes 5482\n");
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001989 bnx2x_hw_reset(bp, params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07001990 break;
1991
1992 default:
1993 DP(NETIF_MSG_LINK,
1994 "BAD SerDes ext_phy_config 0x%x\n",
1995 params->ext_phy_config);
1996 break;
1997 }
1998 }
1999}
2000
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002001
2002static void bnx2x_save_spirom_version(struct bnx2x *bp, u8 port,
2003 u32 shmem_base, u32 spirom_ver)
2004{
2005 DP(NETIF_MSG_LINK, "FW version 0x%x:0x%x\n",
2006 (u16)(spirom_ver>>16), (u16)spirom_ver);
2007 REG_WR(bp, shmem_base +
2008 offsetof(struct shmem_region,
2009 port_mb[port].ext_phy_fw_version),
2010 spirom_ver);
2011}
2012
2013static void bnx2x_save_bcm_spirom_ver(struct bnx2x *bp, u8 port,
2014 u32 ext_phy_type, u8 ext_phy_addr,
2015 u32 shmem_base)
2016{
2017 u16 fw_ver1, fw_ver2;
2018 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
2019 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
2020 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD,
2021 MDIO_PMA_REG_ROM_VER2, &fw_ver2);
2022 bnx2x_save_spirom_version(bp, port, shmem_base,
2023 (u32)(fw_ver1<<16 | fw_ver2));
2024}
2025
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002026static void bnx2x_bcm8072_external_rom_boot(struct link_params *params)
2027{
2028 struct bnx2x *bp = params->bp;
2029 u8 port = params->port;
2030 u8 ext_phy_addr = ((params->ext_phy_config &
2031 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2032 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2033 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002034
2035 /* Need to wait 200ms after reset */
2036 msleep(200);
2037 /* Boot port from external ROM
2038 * Set ser_boot_ctl bit in the MISC_CTRL1 register
2039 */
2040 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2041 MDIO_PMA_DEVAD,
2042 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2043
2044 /* Reset internal microprocessor */
2045 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2046 MDIO_PMA_DEVAD,
2047 MDIO_PMA_REG_GEN_CTRL,
2048 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2049 /* set micro reset = 0 */
2050 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2051 MDIO_PMA_DEVAD,
2052 MDIO_PMA_REG_GEN_CTRL,
2053 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2054 /* Reset internal microprocessor */
2055 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2056 MDIO_PMA_DEVAD,
2057 MDIO_PMA_REG_GEN_CTRL,
2058 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2059 /* wait for 100ms for code download via SPI port */
2060 msleep(100);
2061
2062 /* Clear ser_boot_ctl bit */
2063 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2064 MDIO_PMA_DEVAD,
2065 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2066 /* Wait 100ms */
2067 msleep(100);
2068
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002069 bnx2x_save_bcm_spirom_ver(bp, port,
2070 ext_phy_type,
2071 ext_phy_addr,
2072 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002073}
2074
2075static u8 bnx2x_8073_is_snr_needed(struct link_params *params)
2076{
2077 /* This is only required for 8073A1, version 102 only */
2078
2079 struct bnx2x *bp = params->bp;
2080 u8 ext_phy_addr = ((params->ext_phy_config &
2081 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2082 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2083 u16 val;
2084
2085 /* Read 8073 HW revision*/
2086 bnx2x_cl45_read(bp, params->port,
2087 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2088 ext_phy_addr,
2089 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002090 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002091
2092 if (val != 1) {
2093 /* No need to workaround in 8073 A1 */
2094 return 0;
2095 }
2096
2097 bnx2x_cl45_read(bp, params->port,
2098 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2099 ext_phy_addr,
2100 MDIO_PMA_DEVAD,
2101 MDIO_PMA_REG_ROM_VER2, &val);
2102
2103 /* SNR should be applied only for version 0x102 */
2104 if (val != 0x102)
2105 return 0;
2106
2107 return 1;
2108}
2109
2110static u8 bnx2x_bcm8073_xaui_wa(struct link_params *params)
2111{
2112 struct bnx2x *bp = params->bp;
2113 u8 ext_phy_addr = ((params->ext_phy_config &
2114 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2115 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2116 u16 val, cnt, cnt1 ;
2117
2118 bnx2x_cl45_read(bp, params->port,
2119 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2120 ext_phy_addr,
2121 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002122 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002123
2124 if (val > 0) {
2125 /* No need to workaround in 8073 A1 */
2126 return 0;
2127 }
2128 /* XAUI workaround in 8073 A0: */
2129
2130 /* After loading the boot ROM and restarting Autoneg,
2131 poll Dev1, Reg $C820: */
2132
2133 for (cnt = 0; cnt < 1000; cnt++) {
2134 bnx2x_cl45_read(bp, params->port,
2135 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2136 ext_phy_addr,
2137 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002138 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
2139 &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002140 /* If bit [14] = 0 or bit [13] = 0, continue on with
2141 system initialization (XAUI work-around not required,
2142 as these bits indicate 2.5G or 1G link up). */
2143 if (!(val & (1<<14)) || !(val & (1<<13))) {
2144 DP(NETIF_MSG_LINK, "XAUI work-around not required\n");
2145 return 0;
2146 } else if (!(val & (1<<15))) {
2147 DP(NETIF_MSG_LINK, "clc bit 15 went off\n");
2148 /* If bit 15 is 0, then poll Dev1, Reg $C841 until
2149 it's MSB (bit 15) goes to 1 (indicating that the
2150 XAUI workaround has completed),
2151 then continue on with system initialization.*/
2152 for (cnt1 = 0; cnt1 < 1000; cnt1++) {
2153 bnx2x_cl45_read(bp, params->port,
2154 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2155 ext_phy_addr,
2156 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002157 MDIO_PMA_REG_8073_XAUI_WA, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002158 if (val & (1<<15)) {
2159 DP(NETIF_MSG_LINK,
2160 "XAUI workaround has completed\n");
2161 return 0;
2162 }
2163 msleep(3);
2164 }
2165 break;
2166 }
2167 msleep(3);
2168 }
2169 DP(NETIF_MSG_LINK, "Warning: XAUI work-around timeout !!!\n");
2170 return -EINVAL;
2171
2172}
2173
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002174static void bnx2x_bcm8073_external_rom_boot(struct bnx2x *bp, u8 port,
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002175 u8 ext_phy_addr, u32 shmem_base)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002176{
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002177 /* Boot port from external ROM */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002178 /* EDC grst */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002179 bnx2x_cl45_write(bp, port,
2180 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2181 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002182 MDIO_PMA_DEVAD,
2183 MDIO_PMA_REG_GEN_CTRL,
2184 0x0001);
2185
2186 /* ucode reboot and rst */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002187 bnx2x_cl45_write(bp, port,
2188 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2189 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002190 MDIO_PMA_DEVAD,
2191 MDIO_PMA_REG_GEN_CTRL,
2192 0x008c);
2193
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002194 bnx2x_cl45_write(bp, port,
2195 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2196 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002197 MDIO_PMA_DEVAD,
2198 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2199
2200 /* Reset internal microprocessor */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002201 bnx2x_cl45_write(bp, port,
2202 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2203 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002204 MDIO_PMA_DEVAD,
2205 MDIO_PMA_REG_GEN_CTRL,
2206 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2207
2208 /* Release srst bit */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002209 bnx2x_cl45_write(bp, port,
2210 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2211 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002212 MDIO_PMA_DEVAD,
2213 MDIO_PMA_REG_GEN_CTRL,
2214 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2215
2216 /* wait for 100ms for code download via SPI port */
2217 msleep(100);
2218
2219 /* Clear ser_boot_ctl bit */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002220 bnx2x_cl45_write(bp, port,
2221 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2222 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002223 MDIO_PMA_DEVAD,
2224 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2225
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002226 bnx2x_save_bcm_spirom_ver(bp, port,
2227 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2228 ext_phy_addr,
2229 shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002230}
2231
Eilon Greenstein589abe32009-02-12 08:36:55 +00002232static void bnx2x_bcm8726_external_rom_boot(struct link_params *params)
2233{
2234 struct bnx2x *bp = params->bp;
2235 u8 port = params->port;
2236 u8 ext_phy_addr = ((params->ext_phy_config &
2237 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2238 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2239 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2240
2241 /* Need to wait 100ms after reset */
2242 msleep(100);
2243
2244 /* Set serial boot control for external load */
2245 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2246 MDIO_PMA_DEVAD,
2247 MDIO_PMA_REG_MISC_CTRL1, 0x0001);
2248
2249 /* Micro controller re-boot */
2250 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2251 MDIO_PMA_DEVAD,
2252 MDIO_PMA_REG_GEN_CTRL,
2253 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2254
2255 /* Set soft reset */
2256 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2257 MDIO_PMA_DEVAD,
2258 MDIO_PMA_REG_GEN_CTRL,
2259 MDIO_PMA_REG_GEN_CTRL_ROM_MICRO_RESET);
2260
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002261 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2262 MDIO_PMA_DEVAD,
2263 MDIO_PMA_REG_GEN_CTRL2,
2264 0x73A0);
2265
Eilon Greenstein589abe32009-02-12 08:36:55 +00002266 /* Clear soft reset.
2267 Will automatically reset micro-controller re-boot */
2268 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2269 MDIO_PMA_DEVAD,
2270 MDIO_PMA_REG_GEN_CTRL,
2271 MDIO_PMA_REG_GEN_CTRL_ROM_RESET_INTERNAL_MP);
2272
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002273 /* wait for 150ms for microcode load */
2274 msleep(150);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002275
2276 /* Disable serial boot control, tristates pins SS_N, SCK, MOSI, MISO */
2277 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2278 MDIO_PMA_DEVAD,
2279 MDIO_PMA_REG_MISC_CTRL1, 0x0000);
2280
2281 msleep(200);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00002282 bnx2x_save_bcm_spirom_ver(bp, port,
2283 ext_phy_type,
2284 ext_phy_addr,
2285 params->shmem_base);
Eilon Greenstein589abe32009-02-12 08:36:55 +00002286}
2287
2288static void bnx2x_bcm8726_set_transmitter(struct bnx2x *bp, u8 port,
2289 u8 ext_phy_addr, u8 tx_en)
2290{
2291 u16 val;
2292 DP(NETIF_MSG_LINK, "Setting transmitter tx_en=%x for port %x\n",
2293 tx_en, port);
2294 /* Disable/Enable transmitter ( TX laser of the SFP+ module.)*/
2295 bnx2x_cl45_read(bp, port,
2296 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2297 ext_phy_addr,
2298 MDIO_PMA_DEVAD,
2299 MDIO_PMA_REG_PHY_IDENTIFIER,
2300 &val);
2301
2302 if (tx_en)
2303 val &= ~(1<<15);
2304 else
2305 val |= (1<<15);
2306
2307 bnx2x_cl45_write(bp, port,
2308 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2309 ext_phy_addr,
2310 MDIO_PMA_DEVAD,
2311 MDIO_PMA_REG_PHY_IDENTIFIER,
2312 val);
2313}
2314
2315
2316static u8 bnx2x_read_sfp_module_eeprom(struct link_params *params, u16 addr,
2317 u8 byte_cnt, u8 *o_buf) {
2318 struct bnx2x *bp = params->bp;
2319 u16 val, i;
2320 u8 port = params->port;
2321 u8 ext_phy_addr = ((params->ext_phy_config &
2322 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2323 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2324 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2325 if (byte_cnt > 16) {
2326 DP(NETIF_MSG_LINK, "Reading from eeprom is"
2327 " is limited to 0xf\n");
2328 return -EINVAL;
2329 }
2330 /* Set the read command byte count */
2331 bnx2x_cl45_write(bp, port,
2332 ext_phy_type,
2333 ext_phy_addr,
2334 MDIO_PMA_DEVAD,
2335 MDIO_PMA_REG_8726_TWO_WIRE_BYTE_CNT,
2336 (byte_cnt | 0xa000));
2337
2338 /* Set the read command address */
2339 bnx2x_cl45_write(bp, port,
2340 ext_phy_type,
2341 ext_phy_addr,
2342 MDIO_PMA_DEVAD,
2343 MDIO_PMA_REG_8726_TWO_WIRE_MEM_ADDR,
2344 addr);
2345
2346 /* Activate read command */
2347 bnx2x_cl45_write(bp, port,
2348 ext_phy_type,
2349 ext_phy_addr,
2350 MDIO_PMA_DEVAD,
2351 MDIO_PMA_REG_8726_TWO_WIRE_CTRL,
2352 0x2c0f);
2353
2354 /* Wait up to 500us for command complete status */
2355 for (i = 0; i < 100; i++) {
2356 bnx2x_cl45_read(bp, port,
2357 ext_phy_type,
2358 ext_phy_addr,
2359 MDIO_PMA_DEVAD,
2360 MDIO_PMA_REG_8726_TWO_WIRE_CTRL, &val);
2361 if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) ==
2362 MDIO_PMA_REG_8726_TWO_WIRE_STATUS_COMPLETE)
2363 break;
2364 udelay(5);
2365 }
2366
2367 if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) !=
2368 MDIO_PMA_REG_8726_TWO_WIRE_STATUS_COMPLETE) {
2369 DP(NETIF_MSG_LINK,
2370 "Got bad status 0x%x when reading from SFP+ EEPROM\n",
2371 (val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK));
2372 return -EINVAL;
2373 }
2374
2375 /* Read the buffer */
2376 for (i = 0; i < byte_cnt; i++) {
2377 bnx2x_cl45_read(bp, port,
2378 ext_phy_type,
2379 ext_phy_addr,
2380 MDIO_PMA_DEVAD,
2381 MDIO_PMA_REG_8726_TWO_WIRE_DATA_BUF + i, &val);
2382 o_buf[i] = (u8)(val & MDIO_PMA_REG_8726_TWO_WIRE_DATA_MASK);
2383 }
2384
2385 for (i = 0; i < 100; i++) {
2386 bnx2x_cl45_read(bp, port,
2387 ext_phy_type,
2388 ext_phy_addr,
2389 MDIO_PMA_DEVAD,
2390 MDIO_PMA_REG_8726_TWO_WIRE_CTRL, &val);
2391 if ((val & MDIO_PMA_REG_8726_TWO_WIRE_CTRL_STATUS_MASK) ==
2392 MDIO_PMA_REG_8726_TWO_WIRE_STATUS_IDLE)
2393 return 0;;
2394 msleep(1);
2395 }
2396 return -EINVAL;
2397}
2398
2399
2400static u8 bnx2x_get_sfp_module_type(struct link_params *params,
2401 u8 *module_type)
2402{
2403 struct bnx2x *bp = params->bp;
2404 u8 val;
2405 *module_type = SFP_MODULE_TYPE_UNKNOWN;
2406
2407 /* First check for copper cable */
2408 if (bnx2x_read_sfp_module_eeprom(params,
2409 SFP_EEPROM_CON_TYPE_ADDR,
2410 1,
2411 &val) != 0) {
2412 DP(NETIF_MSG_LINK, "Failed to read from SFP+ module EEPROM");
2413 return -EINVAL;
2414 }
2415
2416 switch (val) {
2417 case SFP_EEPROM_CON_TYPE_VAL_COPPER:
2418 {
2419 u8 copper_module_type;
2420 /* Check if its active cable( includes SFP+ module)
2421 of passive cable*/
2422 if (bnx2x_read_sfp_module_eeprom(params,
2423 SFP_EEPROM_FC_TX_TECH_ADDR,
2424 1,
2425 &copper_module_type) !=
2426 0) {
2427 DP(NETIF_MSG_LINK,
2428 "Failed to read copper-cable-type"
2429 " from SFP+ EEPROM\n");
2430 return -EINVAL;
2431 }
2432
2433 if (copper_module_type &
2434 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
2435 DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
2436 *module_type = SFP_MODULE_TYPE_ACTIVE_COPPER_CABLE;
2437 } else if (copper_module_type &
2438 SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
2439 DP(NETIF_MSG_LINK, "Passive Copper"
2440 " cable detected\n");
2441 *module_type =
2442 SFP_MODULE_TYPE_PASSIVE_COPPER_CABLE;
2443 } else {
2444 DP(NETIF_MSG_LINK, "Unknown copper-cable-"
2445 "type 0x%x !!!\n", copper_module_type);
2446 return -EINVAL;
2447 }
2448 break;
2449 }
2450 case SFP_EEPROM_CON_TYPE_VAL_LC:
2451 DP(NETIF_MSG_LINK, "Optic module detected\n");
2452 *module_type = SFP_MODULE_TYPE_LC;
2453 break;
2454
2455 default:
2456 DP(NETIF_MSG_LINK, "Unable to determine module type 0x%x !!!\n",
2457 val);
2458 return -EINVAL;
2459 }
2460 return 0;
2461}
2462
2463
2464/* This function read the relevant field from the module ( SFP+ ),
2465 and verify it is compliant with this board */
2466static u8 bnx2x_verify_sfp_module(struct link_params *params,
2467 u8 module_type)
2468{
2469 struct bnx2x *bp = params->bp;
2470 u8 *str_p, *tmp_buf;
2471 u16 i;
2472
2473#define COMPLIANCE_STR_CNT 6
2474 u8 *compliance_str[] = {"Broadcom", "JDSU", "Molex Inc", "PICOLIGHT",
2475 "FINISAR CORP. ", "Amphenol"};
2476 u8 buf[SFP_EEPROM_VENDOR_NAME_SIZE];
2477 /* Passive Copper cables are allowed to participate,
2478 since the module is hardwired to the copper cable */
2479
2480 if (!(params->feature_config_flags &
2481 FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED)) {
2482 DP(NETIF_MSG_LINK, "NOT enforcing module verification\n");
2483 return 0;
2484 }
2485
2486 if (module_type != SFP_MODULE_TYPE_LC) {
2487 DP(NETIF_MSG_LINK, "No need to verify copper cable\n");
2488 return 0;
2489 }
2490
2491 /* In case of non copper cable or Active copper cable,
2492 verify that the SFP+ module is compliant with this board*/
2493 if (bnx2x_read_sfp_module_eeprom(params,
2494 SFP_EEPROM_VENDOR_NAME_ADDR,
2495 SFP_EEPROM_VENDOR_NAME_SIZE,
2496 buf) != 0) {
2497 DP(NETIF_MSG_LINK, "Failed to read Vendor-Name from"
2498 " module EEPROM\n");
2499 return -EINVAL;
2500 }
2501 for (i = 0; i < COMPLIANCE_STR_CNT; i++) {
2502 str_p = compliance_str[i];
2503 tmp_buf = buf;
2504 while (*str_p) {
2505 if ((u8)(*tmp_buf) != (u8)(*str_p))
2506 break;
2507 str_p++;
2508 tmp_buf++;
2509 }
2510
2511 if (!(*str_p)) {
2512 DP(NETIF_MSG_LINK, "SFP+ Module verified, "
2513 "index=%x\n", i);
2514 return 0;
2515 }
2516 }
2517 DP(NETIF_MSG_LINK, "Incompliant SFP+ module. Disable module !!!\n");
2518 return -EINVAL;
2519}
2520
2521
2522static u8 bnx2x_bcm8726_set_limiting_mode(struct link_params *params,
2523 u8 module_type)
2524{
2525 struct bnx2x *bp = params->bp;
2526 u8 port = params->port;
2527 u8 options[SFP_EEPROM_OPTIONS_SIZE];
2528 u8 limiting_mode;
2529 u8 ext_phy_addr = ((params->ext_phy_config &
2530 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2531 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002532 u16 cur_limiting_mode;
Eilon Greenstein589abe32009-02-12 08:36:55 +00002533 if (bnx2x_read_sfp_module_eeprom(params,
2534 SFP_EEPROM_OPTIONS_ADDR,
2535 SFP_EEPROM_OPTIONS_SIZE,
2536 options) != 0) {
2537 DP(NETIF_MSG_LINK, "Failed to read Option field from"
2538 " module EEPROM\n");
2539 return -EINVAL;
2540 }
2541 limiting_mode = !(options[0] &
2542 SFP_EEPROM_OPTIONS_LINEAR_RX_OUT_MASK);
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002543
2544 bnx2x_cl45_read(bp, port,
2545 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2546 ext_phy_addr,
2547 MDIO_PMA_DEVAD,
2548 MDIO_PMA_REG_ROM_VER2,
2549 &cur_limiting_mode);
2550 DP(NETIF_MSG_LINK, "Current Limiting mode is 0x%x\n",
2551 cur_limiting_mode);
2552
Eilon Greenstein589abe32009-02-12 08:36:55 +00002553 if (limiting_mode &&
2554 (module_type != SFP_MODULE_TYPE_PASSIVE_COPPER_CABLE)) {
2555 DP(NETIF_MSG_LINK,
2556 "Module options = 0x%x.Setting LIMITING MODE\n",
2557 options[0]);
2558 bnx2x_cl45_write(bp, port,
2559 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2560 ext_phy_addr,
2561 MDIO_PMA_DEVAD,
2562 MDIO_PMA_REG_ROM_VER2,
2563 SFP_LIMITING_MODE_VALUE);
2564 } else { /* LRM mode ( default )*/
Eilon Greensteincc1cb002009-03-02 08:00:03 +00002565
Eilon Greenstein589abe32009-02-12 08:36:55 +00002566 DP(NETIF_MSG_LINK, "Module options = 0x%x.Setting LRM MODE\n",
2567 options[0]);
2568
Eilon Greenstein589abe32009-02-12 08:36:55 +00002569 /* Changing to LRM mode takes quite few seconds.
2570 So do it only if current mode is limiting
2571 ( default is LRM )*/
2572 if (cur_limiting_mode != SFP_LIMITING_MODE_VALUE)
2573 return 0;
2574
2575 bnx2x_cl45_write(bp, port,
2576 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2577 ext_phy_addr,
2578 MDIO_PMA_DEVAD,
2579 MDIO_PMA_REG_LRM_MODE,
2580 0);
2581 bnx2x_cl45_write(bp, port,
2582 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2583 ext_phy_addr,
2584 MDIO_PMA_DEVAD,
2585 MDIO_PMA_REG_ROM_VER2,
2586 0x128);
2587 bnx2x_cl45_write(bp, port,
2588 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2589 ext_phy_addr,
2590 MDIO_PMA_DEVAD,
2591 MDIO_PMA_REG_MISC_CTRL0,
2592 0x4008);
2593 bnx2x_cl45_write(bp, port,
2594 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726,
2595 ext_phy_addr,
2596 MDIO_PMA_DEVAD,
2597 MDIO_PMA_REG_LRM_MODE,
2598 0xaaaa);
2599 }
2600 return 0;
2601}
2602
2603static u8 bnx2x_wait_for_sfp_module_initialized(struct link_params *params)
2604{
2605 u8 val;
2606 struct bnx2x *bp = params->bp;
2607 u16 timeout;
2608 /* Initialization time after hot-plug may take up to 300ms for some
2609 phys type ( e.g. JDSU ) */
2610 for (timeout = 0; timeout < 60; timeout++) {
2611 if (bnx2x_read_sfp_module_eeprom(params, 1, 1, &val)
2612 == 0) {
2613 DP(NETIF_MSG_LINK, "SFP+ module initialization "
2614 "took %d ms\n", timeout * 5);
2615 return 0;
2616 }
2617 msleep(5);
2618 }
2619 return -EINVAL;
2620}
2621
2622static u8 bnx2x_sfp_module_detection(struct link_params *params)
2623{
2624 struct bnx2x *bp = params->bp;
2625 u8 module_type;
2626 u8 ext_phy_addr = ((params->ext_phy_config &
2627 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2628 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2629 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2630
2631 if (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
2632 DP(NETIF_MSG_LINK, "Module detection is not required "
2633 "for this phy\n");
2634 return 0;
2635 }
2636
2637 DP(NETIF_MSG_LINK, "SFP+ module plugged in/out detected on port %d\n",
2638 params->port);
2639
2640 if (bnx2x_get_sfp_module_type(params,
2641 &module_type) != 0) {
2642 DP(NETIF_MSG_LINK, "Failed to get valid module type\n");
2643 if (!(params->feature_config_flags &
2644 FEATURE_CONFIG_MODULE_ENFORCMENT_ENABLED)) {
2645 /* In case module detection is disabled, it trys to
2646 link up. The issue that can happen here is LRM /
2647 LIMITING mode which set according to the module-type*/
2648 DP(NETIF_MSG_LINK, "Unable to read module-type."
2649 "Probably due to Bit Stretching."
2650 " Proceeding...\n");
2651 } else {
2652 return -EINVAL;
2653 }
2654 } else if (bnx2x_verify_sfp_module(params, module_type) !=
2655 0) {
2656 /* check SFP+ module compatibility */
2657 DP(NETIF_MSG_LINK, "Module verification failed!!\n");
2658 /* Turn on fault module-detected led */
2659 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
2660 MISC_REGISTERS_GPIO_HIGH,
2661 params->port);
2662 return -EINVAL;
2663 }
2664
2665 /* Turn off fault module-detected led */
2666 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
2667 MISC_REGISTERS_GPIO_LOW,
2668 params->port);
2669
2670 /* Check and set limiting mode / LRM mode */
2671 if (bnx2x_bcm8726_set_limiting_mode(params, module_type)
2672 != 0) {
2673 DP(NETIF_MSG_LINK, "Setting limiting mode failed!!\n");
2674 return -EINVAL;
2675 }
2676
2677 /* Enable transmit for this module */
2678 bnx2x_bcm8726_set_transmitter(bp, params->port,
2679 ext_phy_addr, 1);
2680 return 0;
2681}
2682
2683void bnx2x_handle_module_detect_int(struct link_params *params)
2684{
2685 struct bnx2x *bp = params->bp;
2686 u32 gpio_val;
2687 u8 port = params->port;
2688 /* Set valid module led off */
2689 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
2690 MISC_REGISTERS_GPIO_HIGH,
2691 params->port);
2692
2693 /* Get current gpio val refelecting module plugged in / out*/
2694 gpio_val = bnx2x_get_gpio(bp, MISC_REGISTERS_GPIO_3, port);
2695
2696 /* Call the handling function in case module is detected */
2697 if (gpio_val == 0) {
2698
2699 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
2700 MISC_REGISTERS_GPIO_INT_OUTPUT_CLR,
2701 port);
2702
2703 if (bnx2x_wait_for_sfp_module_initialized(params)
2704 == 0)
2705 bnx2x_sfp_module_detection(params);
2706 else
2707 DP(NETIF_MSG_LINK, "SFP+ module is not initialized\n");
2708 } else {
2709 u8 ext_phy_addr = ((params->ext_phy_config &
2710 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2711 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2712 bnx2x_set_gpio_int(bp, MISC_REGISTERS_GPIO_3,
2713 MISC_REGISTERS_GPIO_INT_OUTPUT_SET,
2714 port);
2715 /* Module was plugged out. */
2716 /* Disable transmit for this module */
2717 bnx2x_bcm8726_set_transmitter(bp, params->port,
2718 ext_phy_addr, 0);
2719 }
2720}
2721
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002722static void bnx2x_bcm807x_force_10G(struct link_params *params)
2723{
2724 struct bnx2x *bp = params->bp;
2725 u8 port = params->port;
2726 u8 ext_phy_addr = ((params->ext_phy_config &
2727 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2728 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2729 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2730
2731 /* Force KR or KX */
2732 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2733 MDIO_PMA_DEVAD,
2734 MDIO_PMA_REG_CTRL,
2735 0x2040);
2736 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2737 MDIO_PMA_DEVAD,
2738 MDIO_PMA_REG_10G_CTRL2,
2739 0x000b);
2740 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2741 MDIO_PMA_DEVAD,
2742 MDIO_PMA_REG_BCM_CTRL,
2743 0x0000);
2744 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2745 MDIO_AN_DEVAD,
2746 MDIO_AN_REG_CTRL,
2747 0x0000);
2748}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002749static void bnx2x_bcm8073_set_xaui_low_power_mode(struct link_params *params)
2750{
2751 struct bnx2x *bp = params->bp;
2752 u8 port = params->port;
2753 u16 val;
2754 u8 ext_phy_addr = ((params->ext_phy_config &
2755 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2756 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2757 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2758
2759 bnx2x_cl45_read(bp, params->port,
2760 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
2761 ext_phy_addr,
2762 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00002763 MDIO_PMA_REG_8073_CHIP_REV, &val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002764
2765 if (val == 0) {
2766 /* Mustn't set low power mode in 8073 A0 */
2767 return;
2768 }
2769
2770 /* Disable PLL sequencer (use read-modify-write to clear bit 13) */
2771 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr,
2772 MDIO_XS_DEVAD,
2773 MDIO_XS_PLL_SEQUENCER, &val);
2774 val &= ~(1<<13);
2775 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2776 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
2777
2778 /* PLL controls */
2779 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2780 MDIO_XS_DEVAD, 0x805E, 0x1077);
2781 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2782 MDIO_XS_DEVAD, 0x805D, 0x0000);
2783 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2784 MDIO_XS_DEVAD, 0x805C, 0x030B);
2785 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2786 MDIO_XS_DEVAD, 0x805B, 0x1240);
2787 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2788 MDIO_XS_DEVAD, 0x805A, 0x2490);
2789
2790 /* Tx Controls */
2791 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2792 MDIO_XS_DEVAD, 0x80A7, 0x0C74);
2793 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2794 MDIO_XS_DEVAD, 0x80A6, 0x9041);
2795 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2796 MDIO_XS_DEVAD, 0x80A5, 0x4640);
2797
2798 /* Rx Controls */
2799 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2800 MDIO_XS_DEVAD, 0x80FE, 0x01C4);
2801 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2802 MDIO_XS_DEVAD, 0x80FD, 0x9249);
2803 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2804 MDIO_XS_DEVAD, 0x80FC, 0x2015);
2805
2806 /* Enable PLL sequencer (use read-modify-write to set bit 13) */
2807 bnx2x_cl45_read(bp, port, ext_phy_type, ext_phy_addr,
2808 MDIO_XS_DEVAD,
2809 MDIO_XS_PLL_SEQUENCER, &val);
2810 val |= (1<<13);
2811 bnx2x_cl45_write(bp, port, ext_phy_type, ext_phy_addr,
2812 MDIO_XS_DEVAD, MDIO_XS_PLL_SEQUENCER, val);
2813}
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002814
2815static void bnx2x_8073_set_pause_cl37(struct link_params *params,
2816 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002817{
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002818
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002819 struct bnx2x *bp = params->bp;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002820 u16 cl37_val;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002821 u8 ext_phy_addr = ((params->ext_phy_config &
2822 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2823 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2824 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2825
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002826 bnx2x_cl45_read(bp, params->port,
2827 ext_phy_type,
2828 ext_phy_addr,
2829 MDIO_AN_DEVAD,
2830 MDIO_AN_REG_CL37_FC_LD, &cl37_val);
2831
2832 cl37_val &= ~MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
2833 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
2834
2835 if ((vars->ieee_fc &
2836 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) ==
2837 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC) {
2838 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
2839 }
2840 if ((vars->ieee_fc &
2841 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
2842 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
2843 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
2844 }
2845 if ((vars->ieee_fc &
2846 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
2847 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
2848 cl37_val |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
2849 }
2850 DP(NETIF_MSG_LINK,
2851 "Ext phy AN advertize cl37 0x%x\n", cl37_val);
2852
2853 bnx2x_cl45_write(bp, params->port,
2854 ext_phy_type,
2855 ext_phy_addr,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002856 MDIO_AN_DEVAD,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07002857 MDIO_AN_REG_CL37_FC_LD, cl37_val);
2858 msleep(500);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002859}
2860
2861static void bnx2x_ext_phy_set_pause(struct link_params *params,
2862 struct link_vars *vars)
2863{
2864 struct bnx2x *bp = params->bp;
2865 u16 val;
2866 u8 ext_phy_addr = ((params->ext_phy_config &
2867 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2868 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2869 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2870
2871 /* read modify write pause advertizing */
2872 bnx2x_cl45_read(bp, params->port,
2873 ext_phy_type,
2874 ext_phy_addr,
2875 MDIO_AN_DEVAD,
2876 MDIO_AN_REG_ADV_PAUSE, &val);
2877
2878 val &= ~MDIO_AN_REG_ADV_PAUSE_BOTH;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002879
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002880 /* Please refer to Table 28B-3 of 802.3ab-1999 spec. */
2881
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002882 if ((vars->ieee_fc &
2883 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) ==
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002884 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC) {
2885 val |= MDIO_AN_REG_ADV_PAUSE_ASYMMETRIC;
2886 }
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002887 if ((vars->ieee_fc &
2888 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) ==
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002889 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH) {
2890 val |=
2891 MDIO_AN_REG_ADV_PAUSE_PAUSE;
2892 }
2893 DP(NETIF_MSG_LINK,
2894 "Ext phy AN advertize 0x%x\n", val);
2895 bnx2x_cl45_write(bp, params->port,
2896 ext_phy_type,
2897 ext_phy_addr,
2898 MDIO_AN_DEVAD,
2899 MDIO_AN_REG_ADV_PAUSE, val);
2900}
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002901static void bnx2x_set_preemphasis(struct link_params *params)
2902{
2903 u16 bank, i = 0;
2904 struct bnx2x *bp = params->bp;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002905
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002906 for (bank = MDIO_REG_BANK_RX0, i = 0; bank <= MDIO_REG_BANK_RX3;
2907 bank += (MDIO_REG_BANK_RX1-MDIO_REG_BANK_RX0), i++) {
2908 CL45_WR_OVER_CL22(bp, params->port,
2909 params->phy_addr,
2910 bank,
2911 MDIO_RX0_RX_EQ_BOOST,
2912 params->xgxs_config_rx[i]);
2913 }
2914
2915 for (bank = MDIO_REG_BANK_TX0, i = 0; bank <= MDIO_REG_BANK_TX3;
2916 bank += (MDIO_REG_BANK_TX1 - MDIO_REG_BANK_TX0), i++) {
2917 CL45_WR_OVER_CL22(bp, params->port,
2918 params->phy_addr,
2919 bank,
2920 MDIO_TX0_TX_DRIVER,
2921 params->xgxs_config_tx[i]);
2922 }
2923}
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002924
2925static void bnx2x_init_internal_phy(struct link_params *params,
2926 struct link_vars *vars)
2927{
2928 struct bnx2x *bp = params->bp;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002929 if (!(vars->phy_flags & PHY_SGMII_FLAG)) {
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00002930 if ((XGXS_EXT_PHY_TYPE(params->ext_phy_config) ==
2931 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
2932 (params->feature_config_flags &
2933 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED))
2934 bnx2x_set_preemphasis(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002935
2936 /* forced speed requested? */
2937 if (vars->line_speed != SPEED_AUTO_NEG) {
2938 DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
2939
2940 /* disable autoneg */
2941 bnx2x_set_autoneg(params, vars);
2942
2943 /* program speed and duplex */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002944 bnx2x_program_serdes(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002945
2946 } else { /* AN_mode */
2947 DP(NETIF_MSG_LINK, "not SGMII, AN\n");
2948
2949 /* AN enabled */
2950 bnx2x_set_brcm_cl37_advertisment(params);
2951
2952 /* program duplex & pause advertisement (for aneg) */
2953 bnx2x_set_ieee_aneg_advertisment(params,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002954 vars->ieee_fc);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002955
2956 /* enable autoneg */
2957 bnx2x_set_autoneg(params, vars);
2958
2959 /* enable and restart AN */
2960 bnx2x_restart_autoneg(params);
2961 }
2962
2963 } else { /* SGMII mode */
2964 DP(NETIF_MSG_LINK, "SGMII\n");
2965
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07002966 bnx2x_initialize_sgmii_process(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07002967 }
2968}
2969
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07002970static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars)
2971{
2972 struct bnx2x *bp = params->bp;
2973 u32 ext_phy_type;
2974 u8 ext_phy_addr;
2975 u16 cnt;
2976 u16 ctrl = 0;
2977 u16 val = 0;
2978 u8 rc = 0;
2979 if (vars->phy_flags & PHY_XGXS_FLAG) {
2980 ext_phy_addr = ((params->ext_phy_config &
2981 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
2982 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
2983
2984 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
2985 /* Make sure that the soft reset is off (expect for the 8072:
2986 * due to the lock, it will be done inside the specific
2987 * handling)
2988 */
2989 if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
2990 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
2991 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN) &&
2992 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) &&
2993 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) {
2994 /* Wait for soft reset to get cleared upto 1 sec */
2995 for (cnt = 0; cnt < 1000; cnt++) {
2996 bnx2x_cl45_read(bp, params->port,
2997 ext_phy_type,
2998 ext_phy_addr,
2999 MDIO_PMA_DEVAD,
3000 MDIO_PMA_REG_CTRL, &ctrl);
3001 if (!(ctrl & (1<<15)))
3002 break;
3003 msleep(1);
3004 }
3005 DP(NETIF_MSG_LINK, "control reg 0x%x (after %d ms)\n",
3006 ctrl, cnt);
3007 }
3008
3009 switch (ext_phy_type) {
3010 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003011 break;
3012
3013 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
3014 DP(NETIF_MSG_LINK, "XGXS 8705\n");
3015
3016 bnx2x_cl45_write(bp, params->port,
3017 ext_phy_type,
3018 ext_phy_addr,
3019 MDIO_PMA_DEVAD,
3020 MDIO_PMA_REG_MISC_CTRL,
3021 0x8288);
3022 bnx2x_cl45_write(bp, params->port,
3023 ext_phy_type,
3024 ext_phy_addr,
3025 MDIO_PMA_DEVAD,
3026 MDIO_PMA_REG_PHY_IDENTIFIER,
3027 0x7fbf);
3028 bnx2x_cl45_write(bp, params->port,
3029 ext_phy_type,
3030 ext_phy_addr,
3031 MDIO_PMA_DEVAD,
3032 MDIO_PMA_REG_CMU_PLL_BYPASS,
3033 0x0100);
3034 bnx2x_cl45_write(bp, params->port,
3035 ext_phy_type,
3036 ext_phy_addr,
3037 MDIO_WIS_DEVAD,
3038 MDIO_WIS_REG_LASI_CNTL, 0x1);
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003039
3040 bnx2x_save_bcm_spirom_ver(bp, params->port,
3041 ext_phy_type,
3042 ext_phy_addr,
3043 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003044 break;
3045
3046 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003047 /* Wait until fw is loaded */
3048 for (cnt = 0; cnt < 100; cnt++) {
3049 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3050 ext_phy_addr, MDIO_PMA_DEVAD,
3051 MDIO_PMA_REG_ROM_VER1, &val);
3052 if (val)
3053 break;
3054 msleep(10);
3055 }
3056 DP(NETIF_MSG_LINK, "XGXS 8706 is initialized "
3057 "after %d ms\n", cnt);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003058 if ((params->feature_config_flags &
3059 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
3060 u8 i;
3061 u16 reg;
3062 for (i = 0; i < 4; i++) {
3063 reg = MDIO_XS_8706_REG_BANK_RX0 +
3064 i*(MDIO_XS_8706_REG_BANK_RX1 -
3065 MDIO_XS_8706_REG_BANK_RX0);
3066 bnx2x_cl45_read(bp, params->port,
3067 ext_phy_type,
3068 ext_phy_addr,
3069 MDIO_XS_DEVAD,
3070 reg, &val);
3071 /* Clear first 3 bits of the control */
3072 val &= ~0x7;
3073 /* Set control bits according to
3074 configuation */
3075 val |= (params->xgxs_config_rx[i] &
3076 0x7);
3077 DP(NETIF_MSG_LINK, "Setting RX"
3078 "Equalizer to BCM8706 reg 0x%x"
3079 " <-- val 0x%x\n", reg, val);
3080 bnx2x_cl45_write(bp, params->port,
3081 ext_phy_type,
3082 ext_phy_addr,
3083 MDIO_XS_DEVAD,
3084 reg, val);
3085 }
3086 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003087 /* Force speed */
3088 /* First enable LASI */
3089 bnx2x_cl45_write(bp, params->port,
3090 ext_phy_type,
3091 ext_phy_addr,
3092 MDIO_PMA_DEVAD,
3093 MDIO_PMA_REG_RX_ALARM_CTRL,
3094 0x0400);
3095 bnx2x_cl45_write(bp, params->port,
3096 ext_phy_type,
3097 ext_phy_addr,
3098 MDIO_PMA_DEVAD,
3099 MDIO_PMA_REG_LASI_CTRL, 0x0004);
3100
3101 if (params->req_line_speed == SPEED_10000) {
3102 DP(NETIF_MSG_LINK, "XGXS 8706 force 10Gbps\n");
3103
3104 bnx2x_cl45_write(bp, params->port,
3105 ext_phy_type,
3106 ext_phy_addr,
3107 MDIO_PMA_DEVAD,
3108 MDIO_PMA_REG_DIGITAL_CTRL,
3109 0x400);
3110 } else {
3111 /* Force 1Gbps using autoneg with 1G
3112 advertisment */
3113
3114 /* Allow CL37 through CL73 */
3115 DP(NETIF_MSG_LINK, "XGXS 8706 AutoNeg\n");
3116 bnx2x_cl45_write(bp, params->port,
3117 ext_phy_type,
3118 ext_phy_addr,
3119 MDIO_AN_DEVAD,
3120 MDIO_AN_REG_CL37_CL73,
3121 0x040c);
3122
3123 /* Enable Full-Duplex advertisment on CL37 */
3124 bnx2x_cl45_write(bp, params->port,
3125 ext_phy_type,
3126 ext_phy_addr,
3127 MDIO_AN_DEVAD,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003128 MDIO_AN_REG_CL37_FC_LP,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003129 0x0020);
3130 /* Enable CL37 AN */
3131 bnx2x_cl45_write(bp, params->port,
3132 ext_phy_type,
3133 ext_phy_addr,
3134 MDIO_AN_DEVAD,
3135 MDIO_AN_REG_CL37_AN,
3136 0x1000);
3137 /* 1G support */
3138 bnx2x_cl45_write(bp, params->port,
3139 ext_phy_type,
3140 ext_phy_addr,
3141 MDIO_AN_DEVAD,
3142 MDIO_AN_REG_ADV, (1<<5));
3143
3144 /* Enable clause 73 AN */
3145 bnx2x_cl45_write(bp, params->port,
3146 ext_phy_type,
3147 ext_phy_addr,
3148 MDIO_AN_DEVAD,
3149 MDIO_AN_REG_CTRL,
3150 0x1200);
3151
3152 }
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003153 bnx2x_save_bcm_spirom_ver(bp, params->port,
3154 ext_phy_type,
3155 ext_phy_addr,
3156 params->shmem_base);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003157 break;
Eilon Greenstein589abe32009-02-12 08:36:55 +00003158 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
3159 DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
3160 bnx2x_bcm8726_external_rom_boot(params);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003161
Eilon Greenstein589abe32009-02-12 08:36:55 +00003162 /* Need to call module detected on initialization since
3163 the module detection triggered by actual module
3164 insertion might occur before driver is loaded, and when
3165 driver is loaded, it reset all registers, including the
3166 transmitter */
3167 bnx2x_sfp_module_detection(params);
3168 if (params->req_line_speed == SPEED_1000) {
3169 DP(NETIF_MSG_LINK, "Setting 1G force\n");
3170 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3171 ext_phy_addr, MDIO_PMA_DEVAD,
3172 MDIO_PMA_REG_CTRL, 0x40);
3173 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3174 ext_phy_addr, MDIO_PMA_DEVAD,
3175 MDIO_PMA_REG_10G_CTRL2, 0xD);
3176 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3177 ext_phy_addr, MDIO_PMA_DEVAD,
3178 MDIO_PMA_REG_LASI_CTRL, 0x5);
3179 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3180 ext_phy_addr, MDIO_PMA_DEVAD,
3181 MDIO_PMA_REG_RX_ALARM_CTRL,
3182 0x400);
3183 } else if ((params->req_line_speed ==
3184 SPEED_AUTO_NEG) &&
3185 ((params->speed_cap_mask &
3186 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))) {
3187 DP(NETIF_MSG_LINK, "Setting 1G clause37 \n");
3188 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3189 ext_phy_addr, MDIO_AN_DEVAD,
3190 MDIO_AN_REG_ADV, 0x20);
3191 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3192 ext_phy_addr, MDIO_AN_DEVAD,
3193 MDIO_AN_REG_CL37_CL73, 0x040c);
3194 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3195 ext_phy_addr, MDIO_AN_DEVAD,
3196 MDIO_AN_REG_CL37_FC_LD, 0x0020);
3197 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3198 ext_phy_addr, MDIO_AN_DEVAD,
3199 MDIO_AN_REG_CL37_AN, 0x1000);
3200 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3201 ext_phy_addr, MDIO_AN_DEVAD,
3202 MDIO_AN_REG_CTRL, 0x1200);
3203
3204 /* Enable RX-ALARM control to receive
3205 interrupt for 1G speed change */
3206 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3207 ext_phy_addr, MDIO_PMA_DEVAD,
3208 MDIO_PMA_REG_LASI_CTRL, 0x4);
3209 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3210 ext_phy_addr, MDIO_PMA_DEVAD,
3211 MDIO_PMA_REG_RX_ALARM_CTRL,
3212 0x400);
3213
3214 } else { /* Default 10G. Set only LASI control */
3215 bnx2x_cl45_write(bp, params->port, ext_phy_type,
3216 ext_phy_addr, MDIO_PMA_DEVAD,
3217 MDIO_PMA_REG_LASI_CTRL, 1);
3218 }
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00003219
3220 /* Set TX PreEmphasis if needed */
3221 if ((params->feature_config_flags &
3222 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED)) {
3223 DP(NETIF_MSG_LINK, "Setting TX_CTRL1 0x%x,"
3224 "TX_CTRL2 0x%x\n",
3225 params->xgxs_config_tx[0],
3226 params->xgxs_config_tx[1]);
3227 bnx2x_cl45_write(bp, params->port,
3228 ext_phy_type,
3229 ext_phy_addr,
3230 MDIO_PMA_DEVAD,
3231 MDIO_PMA_REG_8726_TX_CTRL1,
3232 params->xgxs_config_tx[0]);
3233
3234 bnx2x_cl45_write(bp, params->port,
3235 ext_phy_type,
3236 ext_phy_addr,
3237 MDIO_PMA_DEVAD,
3238 MDIO_PMA_REG_8726_TX_CTRL2,
3239 params->xgxs_config_tx[1]);
3240 }
Eilon Greenstein589abe32009-02-12 08:36:55 +00003241 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003242 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
3243 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
3244 {
3245 u16 tmp1;
3246 u16 rx_alarm_ctrl_val;
3247 u16 lasi_ctrl_val;
3248 if (ext_phy_type ==
3249 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
3250 rx_alarm_ctrl_val = 0x400;
3251 lasi_ctrl_val = 0x0004;
3252 } else {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003253 rx_alarm_ctrl_val = (1<<2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003254 lasi_ctrl_val = 0x0004;
3255 }
3256
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003257 /* enable LASI */
3258 bnx2x_cl45_write(bp, params->port,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003259 ext_phy_type,
3260 ext_phy_addr,
3261 MDIO_PMA_DEVAD,
3262 MDIO_PMA_REG_RX_ALARM_CTRL,
3263 rx_alarm_ctrl_val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003264
3265 bnx2x_cl45_write(bp, params->port,
3266 ext_phy_type,
3267 ext_phy_addr,
3268 MDIO_PMA_DEVAD,
3269 MDIO_PMA_REG_LASI_CTRL,
3270 lasi_ctrl_val);
3271
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003272 bnx2x_8073_set_pause_cl37(params, vars);
3273
3274 if (ext_phy_type ==
3275 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072){
3276 bnx2x_bcm8072_external_rom_boot(params);
3277 } else {
3278
3279 /* In case of 8073 with long xaui lines,
3280 don't set the 8073 xaui low power*/
3281 bnx2x_bcm8073_set_xaui_low_power_mode(params);
3282 }
3283
3284 bnx2x_cl45_read(bp, params->port,
3285 ext_phy_type,
3286 ext_phy_addr,
3287 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003288 MDIO_PMA_REG_M8051_MSGOUT_REG,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003289 &tmp1);
3290
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003291 bnx2x_cl45_read(bp, params->port,
3292 ext_phy_type,
3293 ext_phy_addr,
3294 MDIO_PMA_DEVAD,
3295 MDIO_PMA_REG_RX_ALARM, &tmp1);
3296
3297 DP(NETIF_MSG_LINK, "Before rom RX_ALARM(port1):"
3298 "0x%x\n", tmp1);
3299
3300 /* If this is forced speed, set to KR or KX
3301 * (all other are not supported)
3302 */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003303 if (params->loopback_mode == LOOPBACK_EXT) {
3304 bnx2x_bcm807x_force_10G(params);
3305 DP(NETIF_MSG_LINK,
3306 "Forced speed 10G on 807X\n");
3307 break;
3308 } else {
3309 bnx2x_cl45_write(bp, params->port,
3310 ext_phy_type, ext_phy_addr,
3311 MDIO_PMA_DEVAD,
3312 MDIO_PMA_REG_BCM_CTRL,
3313 0x0002);
3314 }
3315 if (params->req_line_speed != SPEED_AUTO_NEG) {
3316 if (params->req_line_speed == SPEED_10000) {
3317 val = (1<<7);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003318 } else if (params->req_line_speed ==
3319 SPEED_2500) {
3320 val = (1<<5);
3321 /* Note that 2.5G works only
3322 when used with 1G advertisment */
3323 } else
3324 val = (1<<5);
3325 } else {
3326
3327 val = 0;
3328 if (params->speed_cap_mask &
3329 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)
3330 val |= (1<<7);
3331
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003332 /* Note that 2.5G works only when
3333 used with 1G advertisment */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003334 if (params->speed_cap_mask &
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003335 (PORT_HW_CFG_SPEED_CAPABILITY_D0_1G |
3336 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003337 val |= (1<<5);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003338 DP(NETIF_MSG_LINK,
3339 "807x autoneg val = 0x%x\n", val);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003340 }
3341
3342 bnx2x_cl45_write(bp, params->port,
3343 ext_phy_type,
3344 ext_phy_addr,
3345 MDIO_AN_DEVAD,
3346 MDIO_AN_REG_ADV, val);
3347
3348 if (ext_phy_type ==
3349 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003350
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003351 bnx2x_cl45_read(bp, params->port,
3352 ext_phy_type,
3353 ext_phy_addr,
3354 MDIO_AN_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003355 MDIO_AN_REG_8073_2_5G, &tmp1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003356
3357 if (((params->speed_cap_mask &
3358 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) &&
3359 (params->req_line_speed ==
3360 SPEED_AUTO_NEG)) ||
3361 (params->req_line_speed ==
3362 SPEED_2500)) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003363 u16 phy_ver;
3364 /* Allow 2.5G for A1 and above */
3365 bnx2x_cl45_read(bp, params->port,
3366 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
3367 ext_phy_addr,
3368 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003369 MDIO_PMA_REG_8073_CHIP_REV, &phy_ver);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003370 DP(NETIF_MSG_LINK, "Add 2.5G\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003371 if (phy_ver > 0)
3372 tmp1 |= 1;
3373 else
3374 tmp1 &= 0xfffe;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003375 } else {
3376 DP(NETIF_MSG_LINK, "Disable 2.5G\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003377 tmp1 &= 0xfffe;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003378 }
3379
3380 bnx2x_cl45_write(bp, params->port,
3381 ext_phy_type,
3382 ext_phy_addr,
3383 MDIO_AN_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003384 MDIO_AN_REG_8073_2_5G, tmp1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003385 }
3386
3387 /* Add support for CL37 (passive mode) II */
3388
3389 bnx2x_cl45_read(bp, params->port,
3390 ext_phy_type,
3391 ext_phy_addr,
3392 MDIO_AN_DEVAD,
3393 MDIO_AN_REG_CL37_FC_LD,
3394 &tmp1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003395
3396 bnx2x_cl45_write(bp, params->port,
3397 ext_phy_type,
3398 ext_phy_addr,
3399 MDIO_AN_DEVAD,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003400 MDIO_AN_REG_CL37_FC_LD, (tmp1 |
3401 ((params->req_duplex == DUPLEX_FULL) ?
3402 0x20 : 0x40)));
3403
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003404 /* Add support for CL37 (passive mode) III */
3405 bnx2x_cl45_write(bp, params->port,
3406 ext_phy_type,
3407 ext_phy_addr,
3408 MDIO_AN_DEVAD,
3409 MDIO_AN_REG_CL37_AN, 0x1000);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003410
3411 if (ext_phy_type ==
3412 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003413 /* The SNR will improve about 2db by changing
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003414 BW and FEE main tap. Rest commands are executed
3415 after link is up*/
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003416 /*Change FFE main cursor to 5 in EDC register*/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003417 if (bnx2x_8073_is_snr_needed(params))
3418 bnx2x_cl45_write(bp, params->port,
3419 ext_phy_type,
3420 ext_phy_addr,
3421 MDIO_PMA_DEVAD,
3422 MDIO_PMA_REG_EDC_FFE_MAIN,
3423 0xFB0C);
3424
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003425 /* Enable FEC (Forware Error Correction)
3426 Request in the AN */
3427 bnx2x_cl45_read(bp, params->port,
3428 ext_phy_type,
3429 ext_phy_addr,
3430 MDIO_AN_DEVAD,
3431 MDIO_AN_REG_ADV2, &tmp1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003432
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003433 tmp1 |= (1<<15);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003434
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003435 bnx2x_cl45_write(bp, params->port,
3436 ext_phy_type,
3437 ext_phy_addr,
3438 MDIO_AN_DEVAD,
3439 MDIO_AN_REG_ADV2, tmp1);
3440
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003441 }
3442
3443 bnx2x_ext_phy_set_pause(params, vars);
3444
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003445 /* Restart autoneg */
3446 msleep(500);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003447 bnx2x_cl45_write(bp, params->port,
3448 ext_phy_type,
3449 ext_phy_addr,
3450 MDIO_AN_DEVAD,
3451 MDIO_AN_REG_CTRL, 0x1200);
3452 DP(NETIF_MSG_LINK, "807x Autoneg Restart: "
3453 "Advertise 1G=%x, 10G=%x\n",
3454 ((val & (1<<5)) > 0),
3455 ((val & (1<<7)) > 0));
3456 break;
3457 }
3458 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003459 {
3460 u16 fw_ver1, fw_ver2;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003461 DP(NETIF_MSG_LINK,
3462 "Setting the SFX7101 LASI indication\n");
3463
3464 bnx2x_cl45_write(bp, params->port,
3465 ext_phy_type,
3466 ext_phy_addr,
3467 MDIO_PMA_DEVAD,
3468 MDIO_PMA_REG_LASI_CTRL, 0x1);
3469 DP(NETIF_MSG_LINK,
3470 "Setting the SFX7101 LED to blink on traffic\n");
3471 bnx2x_cl45_write(bp, params->port,
3472 ext_phy_type,
3473 ext_phy_addr,
3474 MDIO_PMA_DEVAD,
3475 MDIO_PMA_REG_7107_LED_CNTL, (1<<3));
3476
3477 bnx2x_ext_phy_set_pause(params, vars);
3478 /* Restart autoneg */
3479 bnx2x_cl45_read(bp, params->port,
3480 ext_phy_type,
3481 ext_phy_addr,
3482 MDIO_AN_DEVAD,
3483 MDIO_AN_REG_CTRL, &val);
3484 val |= 0x200;
3485 bnx2x_cl45_write(bp, params->port,
3486 ext_phy_type,
3487 ext_phy_addr,
3488 MDIO_AN_DEVAD,
3489 MDIO_AN_REG_CTRL, val);
Eilon Greenstein28577182009-02-12 08:37:00 +00003490
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003491 /* Save spirom version */
3492 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3493 ext_phy_addr, MDIO_PMA_DEVAD,
3494 MDIO_PMA_REG_7101_VER1, &fw_ver1);
3495
3496 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3497 ext_phy_addr, MDIO_PMA_DEVAD,
3498 MDIO_PMA_REG_7101_VER2, &fw_ver2);
3499
3500 bnx2x_save_spirom_version(params->bp, params->port,
3501 params->shmem_base,
3502 (u32)(fw_ver1<<16 | fw_ver2));
3503
Eilon Greenstein28577182009-02-12 08:37:00 +00003504 break;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003505 }
Eilon Greenstein28577182009-02-12 08:37:00 +00003506 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
3507 DP(NETIF_MSG_LINK,
3508 "Setting the BCM8481 LASI control\n");
3509
3510 bnx2x_cl45_write(bp, params->port,
3511 ext_phy_type,
3512 ext_phy_addr,
3513 MDIO_PMA_DEVAD,
3514 MDIO_PMA_REG_LASI_CTRL, 0x1);
3515
3516 /* Restart autoneg */
3517 bnx2x_cl45_read(bp, params->port,
3518 ext_phy_type,
3519 ext_phy_addr,
3520 MDIO_AN_DEVAD,
3521 MDIO_AN_REG_CTRL, &val);
3522 val |= 0x200;
3523 bnx2x_cl45_write(bp, params->port,
3524 ext_phy_type,
3525 ext_phy_addr,
3526 MDIO_AN_DEVAD,
3527 MDIO_AN_REG_CTRL, val);
3528
Eilon Greensteina35da8d2009-02-12 08:37:02 +00003529 bnx2x_save_bcm_spirom_ver(bp, params->port,
3530 ext_phy_type,
3531 ext_phy_addr,
3532 params->shmem_base);
3533
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003534 break;
3535 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
3536 DP(NETIF_MSG_LINK,
3537 "XGXS PHY Failure detected 0x%x\n",
3538 params->ext_phy_config);
3539 rc = -EINVAL;
3540 break;
3541 default:
3542 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
3543 params->ext_phy_config);
3544 rc = -EINVAL;
3545 break;
3546 }
3547
3548 } else { /* SerDes */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003549
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003550 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
3551 switch (ext_phy_type) {
3552 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
3553 DP(NETIF_MSG_LINK, "SerDes Direct\n");
3554 break;
3555
3556 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
3557 DP(NETIF_MSG_LINK, "SerDes 5482\n");
3558 break;
3559
3560 default:
3561 DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
3562 params->ext_phy_config);
3563 break;
3564 }
3565 }
3566 return rc;
3567}
3568
3569
3570static u8 bnx2x_ext_phy_is_link_up(struct link_params *params,
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003571 struct link_vars *vars)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003572{
3573 struct bnx2x *bp = params->bp;
3574 u32 ext_phy_type;
3575 u8 ext_phy_addr;
3576 u16 val1 = 0, val2;
3577 u16 rx_sd, pcs_status;
3578 u8 ext_phy_link_up = 0;
3579 u8 port = params->port;
3580 if (vars->phy_flags & PHY_XGXS_FLAG) {
3581 ext_phy_addr = ((params->ext_phy_config &
3582 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
3583 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
3584
3585 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
3586 switch (ext_phy_type) {
3587 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
3588 DP(NETIF_MSG_LINK, "XGXS Direct\n");
3589 ext_phy_link_up = 1;
3590 break;
3591
3592 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
3593 DP(NETIF_MSG_LINK, "XGXS 8705\n");
3594 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3595 ext_phy_addr,
3596 MDIO_WIS_DEVAD,
3597 MDIO_WIS_REG_LASI_STATUS, &val1);
3598 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3599
3600 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3601 ext_phy_addr,
3602 MDIO_WIS_DEVAD,
3603 MDIO_WIS_REG_LASI_STATUS, &val1);
3604 DP(NETIF_MSG_LINK, "8705 LASI status 0x%x\n", val1);
3605
3606 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3607 ext_phy_addr,
3608 MDIO_PMA_DEVAD,
3609 MDIO_PMA_REG_RX_SD, &rx_sd);
3610 DP(NETIF_MSG_LINK, "8705 rx_sd 0x%x\n", rx_sd);
3611 ext_phy_link_up = (rx_sd & 0x1);
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07003612 if (ext_phy_link_up)
3613 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003614 break;
3615
3616 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greenstein589abe32009-02-12 08:36:55 +00003617 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
3618 DP(NETIF_MSG_LINK, "XGXS 8706/8726\n");
3619 /* Clear RX Alarm*/
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003620 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3621 ext_phy_addr,
Eilon Greenstein589abe32009-02-12 08:36:55 +00003622 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_ALARM,
3623 &val2);
3624 /* clear LASI indication*/
3625 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3626 ext_phy_addr,
3627 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
3628 &val1);
3629 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3630 ext_phy_addr,
3631 MDIO_PMA_DEVAD, MDIO_PMA_REG_LASI_STATUS,
3632 &val2);
3633 DP(NETIF_MSG_LINK, "8706/8726 LASI status 0x%x-->"
3634 "0x%x\n", val1, val2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003635
3636 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3637 ext_phy_addr,
Eilon Greenstein589abe32009-02-12 08:36:55 +00003638 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD,
3639 &rx_sd);
3640 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3641 ext_phy_addr,
3642 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS,
3643 &pcs_status);
3644 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3645 ext_phy_addr,
3646 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
3647 &val2);
3648 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3649 ext_phy_addr,
3650 MDIO_AN_DEVAD, MDIO_AN_REG_LINK_STATUS,
3651 &val2);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003652
Eilon Greenstein589abe32009-02-12 08:36:55 +00003653 DP(NETIF_MSG_LINK, "8706/8726 rx_sd 0x%x"
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003654 " pcs_status 0x%x 1Gbps link_status 0x%x\n",
3655 rx_sd, pcs_status, val2);
3656 /* link is up if both bit 0 of pmd_rx_sd and
3657 * bit 0 of pcs_status are set, or if the autoneg bit
3658 1 is set
3659 */
3660 ext_phy_link_up = ((rx_sd & pcs_status & 0x1) ||
3661 (val2 & (1<<1)));
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003662 if (ext_phy_link_up) {
Eilon Greenstein589abe32009-02-12 08:36:55 +00003663 if (ext_phy_type ==
3664 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) {
3665 /* If transmitter is disabled,
3666 ignore false link up indication */
3667 bnx2x_cl45_read(bp, params->port,
3668 ext_phy_type,
3669 ext_phy_addr,
3670 MDIO_PMA_DEVAD,
3671 MDIO_PMA_REG_PHY_IDENTIFIER,
3672 &val1);
3673 if (val1 & (1<<15)) {
3674 DP(NETIF_MSG_LINK, "Tx is "
3675 "disabled\n");
3676 ext_phy_link_up = 0;
3677 break;
3678 }
3679 }
3680
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003681 if (val2 & (1<<1))
3682 vars->line_speed = SPEED_1000;
3683 else
3684 vars->line_speed = SPEED_10000;
3685 }
3686
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003687 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003688 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
3689 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
3690 {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003691 u16 link_status = 0;
3692 u16 an1000_status = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003693 if (ext_phy_type ==
3694 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) {
3695 bnx2x_cl45_read(bp, params->port,
3696 ext_phy_type,
3697 ext_phy_addr,
3698 MDIO_PCS_DEVAD,
3699 MDIO_PCS_REG_LASI_STATUS, &val1);
3700 bnx2x_cl45_read(bp, params->port,
3701 ext_phy_type,
3702 ext_phy_addr,
3703 MDIO_PCS_DEVAD,
3704 MDIO_PCS_REG_LASI_STATUS, &val2);
3705 DP(NETIF_MSG_LINK,
3706 "870x LASI status 0x%x->0x%x\n",
3707 val1, val2);
3708
3709 } else {
3710 /* In 8073, port1 is directed through emac0 and
3711 * port0 is directed through emac1
3712 */
3713 bnx2x_cl45_read(bp, params->port,
3714 ext_phy_type,
3715 ext_phy_addr,
3716 MDIO_PMA_DEVAD,
3717 MDIO_PMA_REG_LASI_STATUS, &val1);
3718
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003719 DP(NETIF_MSG_LINK,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003720 "8703 LASI status 0x%x\n",
3721 val1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003722 }
3723
3724 /* clear the interrupt LASI status register */
3725 bnx2x_cl45_read(bp, params->port,
3726 ext_phy_type,
3727 ext_phy_addr,
3728 MDIO_PCS_DEVAD,
3729 MDIO_PCS_REG_STATUS, &val2);
3730 bnx2x_cl45_read(bp, params->port,
3731 ext_phy_type,
3732 ext_phy_addr,
3733 MDIO_PCS_DEVAD,
3734 MDIO_PCS_REG_STATUS, &val1);
3735 DP(NETIF_MSG_LINK, "807x PCS status 0x%x->0x%x\n",
3736 val2, val1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003737 /* Clear MSG-OUT */
3738 bnx2x_cl45_read(bp, params->port,
3739 ext_phy_type,
3740 ext_phy_addr,
3741 MDIO_PMA_DEVAD,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003742 MDIO_PMA_REG_M8051_MSGOUT_REG,
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003743 &val1);
3744
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003745 /* Check the LASI */
3746 bnx2x_cl45_read(bp, params->port,
3747 ext_phy_type,
3748 ext_phy_addr,
3749 MDIO_PMA_DEVAD,
3750 MDIO_PMA_REG_RX_ALARM, &val2);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003751
3752 DP(NETIF_MSG_LINK, "KR 0x9003 0x%x\n", val2);
3753
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003754 /* Check the link status */
3755 bnx2x_cl45_read(bp, params->port,
3756 ext_phy_type,
3757 ext_phy_addr,
3758 MDIO_PCS_DEVAD,
3759 MDIO_PCS_REG_STATUS, &val2);
3760 DP(NETIF_MSG_LINK, "KR PCS status 0x%x\n", val2);
3761
3762 bnx2x_cl45_read(bp, params->port,
3763 ext_phy_type,
3764 ext_phy_addr,
3765 MDIO_PMA_DEVAD,
3766 MDIO_PMA_REG_STATUS, &val2);
3767 bnx2x_cl45_read(bp, params->port,
3768 ext_phy_type,
3769 ext_phy_addr,
3770 MDIO_PMA_DEVAD,
3771 MDIO_PMA_REG_STATUS, &val1);
3772 ext_phy_link_up = ((val1 & 4) == 4);
3773 DP(NETIF_MSG_LINK, "PMA_REG_STATUS=0x%x\n", val1);
3774 if (ext_phy_type ==
3775 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003776
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003777 if (ext_phy_link_up &&
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003778 ((params->req_line_speed !=
3779 SPEED_10000))) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003780 if (bnx2x_bcm8073_xaui_wa(params)
3781 != 0) {
3782 ext_phy_link_up = 0;
3783 break;
3784 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003785 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003786 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003787 ext_phy_type,
3788 ext_phy_addr,
3789 MDIO_AN_DEVAD,
3790 MDIO_AN_REG_LINK_STATUS,
3791 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003792 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003793 ext_phy_type,
3794 ext_phy_addr,
3795 MDIO_AN_DEVAD,
3796 MDIO_AN_REG_LINK_STATUS,
3797 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003798
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003799 /* Check the link status on 1.1.2 */
3800 bnx2x_cl45_read(bp, params->port,
3801 ext_phy_type,
3802 ext_phy_addr,
3803 MDIO_PMA_DEVAD,
3804 MDIO_PMA_REG_STATUS, &val2);
3805 bnx2x_cl45_read(bp, params->port,
3806 ext_phy_type,
3807 ext_phy_addr,
3808 MDIO_PMA_DEVAD,
3809 MDIO_PMA_REG_STATUS, &val1);
3810 DP(NETIF_MSG_LINK, "KR PMA status 0x%x->0x%x,"
3811 "an_link_status=0x%x\n",
3812 val2, val1, an1000_status);
3813
Eilon Greenstein356e2382009-02-12 08:38:32 +00003814 ext_phy_link_up = (((val1 & 4) == 4) ||
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003815 (an1000_status & (1<<1)));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003816 if (ext_phy_link_up &&
3817 bnx2x_8073_is_snr_needed(params)) {
3818 /* The SNR will improve about 2dbby
3819 changing the BW and FEE main tap.*/
3820
3821 /* The 1st write to change FFE main
3822 tap is set before restart AN */
3823 /* Change PLL Bandwidth in EDC
3824 register */
3825 bnx2x_cl45_write(bp, port, ext_phy_type,
3826 ext_phy_addr,
3827 MDIO_PMA_DEVAD,
3828 MDIO_PMA_REG_PLL_BANDWIDTH,
3829 0x26BC);
3830
3831 /* Change CDR Bandwidth in EDC
3832 register */
3833 bnx2x_cl45_write(bp, port, ext_phy_type,
3834 ext_phy_addr,
3835 MDIO_PMA_DEVAD,
3836 MDIO_PMA_REG_CDR_BANDWIDTH,
3837 0x0333);
3838
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003839
3840 }
3841 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003842 ext_phy_type,
3843 ext_phy_addr,
3844 MDIO_PMA_DEVAD,
3845 MDIO_PMA_REG_8073_SPEED_LINK_STATUS,
3846 &link_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003847
3848 /* Bits 0..2 --> speed detected,
3849 bits 13..15--> link is down */
3850 if ((link_status & (1<<2)) &&
3851 (!(link_status & (1<<15)))) {
3852 ext_phy_link_up = 1;
3853 vars->line_speed = SPEED_10000;
3854 DP(NETIF_MSG_LINK,
3855 "port %x: External link"
3856 " up in 10G\n", params->port);
3857 } else if ((link_status & (1<<1)) &&
3858 (!(link_status & (1<<14)))) {
3859 ext_phy_link_up = 1;
3860 vars->line_speed = SPEED_2500;
3861 DP(NETIF_MSG_LINK,
3862 "port %x: External link"
3863 " up in 2.5G\n", params->port);
3864 } else if ((link_status & (1<<0)) &&
3865 (!(link_status & (1<<13)))) {
3866 ext_phy_link_up = 1;
3867 vars->line_speed = SPEED_1000;
3868 DP(NETIF_MSG_LINK,
3869 "port %x: External link"
3870 " up in 1G\n", params->port);
3871 } else {
3872 ext_phy_link_up = 0;
3873 DP(NETIF_MSG_LINK,
3874 "port %x: External link"
3875 " is down\n", params->port);
3876 }
3877 } else {
3878 /* See if 1G link is up for the 8072 */
3879 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003880 ext_phy_type,
3881 ext_phy_addr,
3882 MDIO_AN_DEVAD,
3883 MDIO_AN_REG_LINK_STATUS,
3884 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003885 bnx2x_cl45_read(bp, params->port,
Eilon Greenstein052a38e2009-02-12 08:37:16 +00003886 ext_phy_type,
3887 ext_phy_addr,
3888 MDIO_AN_DEVAD,
3889 MDIO_AN_REG_LINK_STATUS,
3890 &an1000_status);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003891 if (an1000_status & (1<<1)) {
3892 ext_phy_link_up = 1;
3893 vars->line_speed = SPEED_1000;
3894 DP(NETIF_MSG_LINK,
3895 "port %x: External link"
3896 " up in 1G\n", params->port);
3897 } else if (ext_phy_link_up) {
3898 ext_phy_link_up = 1;
3899 vars->line_speed = SPEED_10000;
3900 DP(NETIF_MSG_LINK,
3901 "port %x: External link"
3902 " up in 10G\n", params->port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003903 }
3904 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07003905
3906
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003907 break;
3908 }
3909 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
3910 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3911 ext_phy_addr,
3912 MDIO_PMA_DEVAD,
3913 MDIO_PMA_REG_LASI_STATUS, &val2);
3914 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3915 ext_phy_addr,
3916 MDIO_PMA_DEVAD,
3917 MDIO_PMA_REG_LASI_STATUS, &val1);
3918 DP(NETIF_MSG_LINK,
3919 "10G-base-T LASI status 0x%x->0x%x\n",
3920 val2, val1);
3921 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3922 ext_phy_addr,
3923 MDIO_PMA_DEVAD,
3924 MDIO_PMA_REG_STATUS, &val2);
3925 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3926 ext_phy_addr,
3927 MDIO_PMA_DEVAD,
3928 MDIO_PMA_REG_STATUS, &val1);
3929 DP(NETIF_MSG_LINK,
3930 "10G-base-T PMA status 0x%x->0x%x\n",
3931 val2, val1);
3932 ext_phy_link_up = ((val1 & 4) == 4);
3933 /* if link is up
3934 * print the AN outcome of the SFX7101 PHY
3935 */
3936 if (ext_phy_link_up) {
3937 bnx2x_cl45_read(bp, params->port,
3938 ext_phy_type,
3939 ext_phy_addr,
3940 MDIO_AN_DEVAD,
3941 MDIO_AN_REG_MASTER_STATUS,
3942 &val2);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07003943 vars->line_speed = SPEED_10000;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003944 DP(NETIF_MSG_LINK,
3945 "SFX7101 AN status 0x%x->Master=%x\n",
3946 val2,
3947 (val2 & (1<<14)));
3948 }
3949 break;
Eilon Greenstein28577182009-02-12 08:37:00 +00003950 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481:
3951 /* Clear LASI interrupt */
3952 bnx2x_cl45_read(bp, params->port,
3953 ext_phy_type,
3954 ext_phy_addr,
3955 MDIO_PMA_DEVAD,
3956 MDIO_PMA_REG_LASI_STATUS, &val1);
3957 DP(NETIF_MSG_LINK, "8481 LASI status reg = 0x%x\n",
3958 val1);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003959
Eilon Greenstein28577182009-02-12 08:37:00 +00003960 /* Check 10G-BaseT link status */
3961 /* Check Global PMD signal ok */
3962 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3963 ext_phy_addr,
3964 MDIO_PMA_DEVAD, MDIO_PMA_REG_RX_SD,
3965 &rx_sd);
3966 /* Check PCS block lock */
3967 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3968 ext_phy_addr,
3969 MDIO_PCS_DEVAD, MDIO_PCS_REG_STATUS,
3970 &pcs_status);
3971 DP(NETIF_MSG_LINK, "8481 1.a = 0x%x, 1.20 = 0x%x\n",
3972 rx_sd, pcs_status);
3973 if (rx_sd & pcs_status & 0x1) {
3974 vars->line_speed = SPEED_10000;
3975 ext_phy_link_up = 1;
3976 } else {
3977
3978 /* Check 1000-BaseT link status */
3979 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3980 ext_phy_addr,
3981 MDIO_AN_DEVAD, 0xFFE1,
3982 &val1);
3983
3984 bnx2x_cl45_read(bp, params->port, ext_phy_type,
3985 ext_phy_addr,
3986 MDIO_AN_DEVAD, 0xFFE1,
3987 &val2);
3988 DP(NETIF_MSG_LINK, "8481 7.FFE1 ="
3989 "0x%x-->0x%x\n", val1, val2);
3990 if (val2 & (1<<2)) {
3991 vars->line_speed = SPEED_1000;
3992 ext_phy_link_up = 1;
3993 }
3994 }
3995
3996 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07003997 default:
3998 DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
3999 params->ext_phy_config);
4000 ext_phy_link_up = 0;
4001 break;
4002 }
4003
4004 } else { /* SerDes */
4005 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
4006 switch (ext_phy_type) {
4007 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
4008 DP(NETIF_MSG_LINK, "SerDes Direct\n");
4009 ext_phy_link_up = 1;
4010 break;
4011
4012 case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
4013 DP(NETIF_MSG_LINK, "SerDes 5482\n");
4014 ext_phy_link_up = 1;
4015 break;
4016
4017 default:
4018 DP(NETIF_MSG_LINK,
4019 "BAD SerDes ext_phy_config 0x%x\n",
4020 params->ext_phy_config);
4021 ext_phy_link_up = 0;
4022 break;
4023 }
4024 }
4025
4026 return ext_phy_link_up;
4027}
4028
4029static void bnx2x_link_int_enable(struct link_params *params)
4030{
4031 u8 port = params->port;
4032 u32 ext_phy_type;
4033 u32 mask;
4034 struct bnx2x *bp = params->bp;
4035 /* setting the status to report on link up
4036 for either XGXS or SerDes */
4037
4038 if (params->switch_cfg == SWITCH_CFG_10G) {
4039 mask = (NIG_MASK_XGXS0_LINK10G |
4040 NIG_MASK_XGXS0_LINK_STATUS);
4041 DP(NETIF_MSG_LINK, "enabled XGXS interrupt\n");
4042 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
4043 if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) &&
4044 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
4045 (ext_phy_type !=
4046 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN)) {
4047 mask |= NIG_MASK_MI_INT;
4048 DP(NETIF_MSG_LINK, "enabled external phy int\n");
4049 }
4050
4051 } else { /* SerDes */
4052 mask = NIG_MASK_SERDES0_LINK_STATUS;
4053 DP(NETIF_MSG_LINK, "enabled SerDes interrupt\n");
4054 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
4055 if ((ext_phy_type !=
4056 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
4057 (ext_phy_type !=
4058 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_NOT_CONN)) {
4059 mask |= NIG_MASK_MI_INT;
4060 DP(NETIF_MSG_LINK, "enabled external phy int\n");
4061 }
4062 }
4063 bnx2x_bits_en(bp,
4064 NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
4065 mask);
4066 DP(NETIF_MSG_LINK, "port %x, is_xgxs=%x, int_status 0x%x\n", port,
4067 (params->switch_cfg == SWITCH_CFG_10G),
4068 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
4069
4070 DP(NETIF_MSG_LINK, " int_mask 0x%x, MI_INT %x, SERDES_LINK %x\n",
4071 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
4072 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
4073 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS+port*0x3c));
4074 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
4075 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
4076 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
4077}
4078
4079
4080/*
4081 * link management
4082 */
4083static void bnx2x_link_int_ack(struct link_params *params,
Eilon Greenstein3196a882008-08-13 15:58:49 -07004084 struct link_vars *vars, u8 is_10g)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004085{
4086 struct bnx2x *bp = params->bp;
4087 u8 port = params->port;
4088
4089 /* first reset all status
4090 * we assume only one line will be change at a time */
4091 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
4092 (NIG_STATUS_XGXS0_LINK10G |
4093 NIG_STATUS_XGXS0_LINK_STATUS |
4094 NIG_STATUS_SERDES0_LINK_STATUS));
4095 if (vars->phy_link_up) {
4096 if (is_10g) {
4097 /* Disable the 10G link interrupt
4098 * by writing 1 to the status register
4099 */
4100 DP(NETIF_MSG_LINK, "10G XGXS phy link up\n");
4101 bnx2x_bits_en(bp,
4102 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
4103 NIG_STATUS_XGXS0_LINK10G);
4104
4105 } else if (params->switch_cfg == SWITCH_CFG_10G) {
4106 /* Disable the link interrupt
4107 * by writing 1 to the relevant lane
4108 * in the status register
4109 */
4110 u32 ser_lane = ((params->lane_config &
4111 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
4112 PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
4113
4114 DP(NETIF_MSG_LINK, "1G XGXS phy link up\n");
4115 bnx2x_bits_en(bp,
4116 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
4117 ((1 << ser_lane) <<
4118 NIG_STATUS_XGXS0_LINK_STATUS_SIZE));
4119
4120 } else { /* SerDes */
4121 DP(NETIF_MSG_LINK, "SerDes phy link up\n");
4122 /* Disable the link interrupt
4123 * by writing 1 to the status register
4124 */
4125 bnx2x_bits_en(bp,
4126 NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
4127 NIG_STATUS_SERDES0_LINK_STATUS);
4128 }
4129
4130 } else { /* link_down */
4131 }
4132}
4133
4134static u8 bnx2x_format_ver(u32 num, u8 *str, u16 len)
4135{
4136 u8 *str_ptr = str;
4137 u32 mask = 0xf0000000;
4138 u8 shift = 8*4;
4139 u8 digit;
4140 if (len < 10) {
Frederik Schwarzer025dfda2008-10-16 19:02:37 +02004141 /* Need more than 10chars for this format */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004142 *str_ptr = '\0';
4143 return -EINVAL;
4144 }
4145 while (shift > 0) {
4146
4147 shift -= 4;
4148 digit = ((num & mask) >> shift);
4149 if (digit < 0xa)
4150 *str_ptr = digit + '0';
4151 else
4152 *str_ptr = digit - 0xa + 'a';
4153 str_ptr++;
4154 mask = mask >> 4;
4155 if (shift == 4*4) {
4156 *str_ptr = ':';
4157 str_ptr++;
4158 }
4159 }
4160 *str_ptr = '\0';
4161 return 0;
4162}
4163
4164
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004165static void bnx2x_turn_on_ef(struct bnx2x *bp, u8 port, u8 ext_phy_addr,
4166 u32 ext_phy_type)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004167{
4168 u32 cnt = 0;
4169 u16 ctrl = 0;
4170 /* Enable EMAC0 in to enable MDIO */
4171 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET,
4172 (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
4173 msleep(5);
4174
4175 /* take ext phy out of reset */
4176 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07004177 MISC_REGISTERS_GPIO_2,
4178 MISC_REGISTERS_GPIO_HIGH,
4179 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004180
4181 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07004182 MISC_REGISTERS_GPIO_1,
4183 MISC_REGISTERS_GPIO_HIGH,
4184 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004185
4186 /* wait for 5ms */
4187 msleep(5);
4188
4189 for (cnt = 0; cnt < 1000; cnt++) {
4190 msleep(1);
4191 bnx2x_cl45_read(bp, port,
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004192 ext_phy_type,
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004193 ext_phy_addr,
4194 MDIO_PMA_DEVAD,
4195 MDIO_PMA_REG_CTRL,
Eilon Greenstein356e2382009-02-12 08:38:32 +00004196 &ctrl);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004197 if (!(ctrl & (1<<15))) {
4198 DP(NETIF_MSG_LINK, "Reset completed\n\n");
4199 break;
4200 }
4201 }
4202}
4203
Eilon Greenstein17de50b2008-08-13 15:56:59 -07004204static void bnx2x_turn_off_sf(struct bnx2x *bp, u8 port)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004205{
4206 /* put sf to reset */
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004207 bnx2x_set_gpio(bp,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07004208 MISC_REGISTERS_GPIO_1,
4209 MISC_REGISTERS_GPIO_LOW,
4210 port);
4211 bnx2x_set_gpio(bp,
4212 MISC_REGISTERS_GPIO_2,
4213 MISC_REGISTERS_GPIO_LOW,
4214 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004215}
4216
4217u8 bnx2x_get_ext_phy_fw_version(struct link_params *params, u8 driver_loaded,
4218 u8 *version, u16 len)
4219{
4220 struct bnx2x *bp = params->bp;
4221 u32 ext_phy_type = 0;
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004222 u32 spirom_ver = 0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004223 u8 status = 0 ;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004224
4225 if (version == NULL || params == NULL)
4226 return -EINVAL;
4227
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004228 spirom_ver = REG_RD(bp, params->shmem_base +
4229 offsetof(struct shmem_region,
4230 port_mb[params->port].ext_phy_fw_version));
4231
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004232 /* reset the returned value to zero */
4233 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004234 switch (ext_phy_type) {
4235 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
4236
4237 if (len < 5)
4238 return -EINVAL;
4239
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004240 version[0] = (spirom_ver & 0xFF);
4241 version[1] = (spirom_ver & 0xFF00) >> 8;
4242 version[2] = (spirom_ver & 0xFF0000) >> 16;
4243 version[3] = (spirom_ver & 0xFF000000) >> 24;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004244 version[4] = '\0';
4245
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004246 break;
4247 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
4248 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004249 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
4250 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
Eilon Greenstein589abe32009-02-12 08:36:55 +00004251 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
Eilon Greensteina35da8d2009-02-12 08:37:02 +00004252 status = bnx2x_format_ver(spirom_ver, version, len);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004253 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004254 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
4255 break;
4256
4257 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
4258 DP(NETIF_MSG_LINK, "bnx2x_get_ext_phy_fw_version:"
4259 " type is FAILURE!\n");
4260 status = -EINVAL;
4261 break;
4262
4263 default:
4264 break;
4265 }
4266 return status;
4267}
4268
4269static void bnx2x_set_xgxs_loopback(struct link_params *params,
4270 struct link_vars *vars,
4271 u8 is_10g)
4272{
4273 u8 port = params->port;
4274 struct bnx2x *bp = params->bp;
4275
4276 if (is_10g) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07004277 u32 md_devad;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004278
4279 DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
4280
4281 /* change the uni_phy_addr in the nig */
4282 md_devad = REG_RD(bp, (NIG_REG_XGXS0_CTRL_MD_DEVAD +
4283 port*0x18));
4284
4285 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, 0x5);
4286
4287 bnx2x_cl45_write(bp, port, 0,
4288 params->phy_addr,
4289 5,
4290 (MDIO_REG_BANK_AER_BLOCK +
4291 (MDIO_AER_BLOCK_AER_REG & 0xf)),
4292 0x2800);
4293
4294 bnx2x_cl45_write(bp, port, 0,
4295 params->phy_addr,
4296 5,
4297 (MDIO_REG_BANK_CL73_IEEEB0 +
4298 (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)),
4299 0x6041);
Eilon Greenstein38582762009-01-14 06:44:16 +00004300 msleep(200);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004301 /* set aer mmd back */
4302 bnx2x_set_aer_mmd(params, vars);
4303
4304 /* and md_devad */
4305 REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18,
4306 md_devad);
4307
4308 } else {
4309 u16 mii_control;
4310
4311 DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
4312
4313 CL45_RD_OVER_CL22(bp, port,
4314 params->phy_addr,
4315 MDIO_REG_BANK_COMBO_IEEE0,
4316 MDIO_COMBO_IEEE0_MII_CONTROL,
4317 &mii_control);
4318
4319 CL45_WR_OVER_CL22(bp, port,
4320 params->phy_addr,
4321 MDIO_REG_BANK_COMBO_IEEE0,
4322 MDIO_COMBO_IEEE0_MII_CONTROL,
4323 (mii_control |
4324 MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK));
4325 }
4326}
4327
4328
4329static void bnx2x_ext_phy_loopback(struct link_params *params)
4330{
4331 struct bnx2x *bp = params->bp;
4332 u8 ext_phy_addr;
4333 u32 ext_phy_type;
4334
4335 if (params->switch_cfg == SWITCH_CFG_10G) {
4336 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
4337 /* CL37 Autoneg Enabled */
4338 ext_phy_addr = ((params->ext_phy_config &
4339 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
4340 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
4341 switch (ext_phy_type) {
4342 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
4343 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN:
4344 DP(NETIF_MSG_LINK,
4345 "ext_phy_loopback: We should not get here\n");
4346 break;
4347 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
4348 DP(NETIF_MSG_LINK, "ext_phy_loopback: 8705\n");
4349 break;
4350 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
4351 DP(NETIF_MSG_LINK, "ext_phy_loopback: 8706\n");
4352 break;
Eilon Greenstein589abe32009-02-12 08:36:55 +00004353 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
4354 DP(NETIF_MSG_LINK, "PMA/PMD ext_phy_loopback: 8726\n");
4355 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4356 ext_phy_addr,
4357 MDIO_PMA_DEVAD,
4358 MDIO_PMA_REG_CTRL,
4359 0x0001);
4360 break;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004361 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
4362 /* SFX7101_XGXS_TEST1 */
4363 bnx2x_cl45_write(bp, params->port, ext_phy_type,
4364 ext_phy_addr,
4365 MDIO_XS_DEVAD,
4366 MDIO_XS_SFX7101_XGXS_TEST1,
4367 0x100);
4368 DP(NETIF_MSG_LINK,
4369 "ext_phy_loopback: set ext phy loopback\n");
4370 break;
4371 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
4372
4373 break;
4374 } /* switch external PHY type */
4375 } else {
4376 /* serdes */
4377 ext_phy_type = SERDES_EXT_PHY_TYPE(params->ext_phy_config);
4378 ext_phy_addr = (params->ext_phy_config &
4379 PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK)
4380 >> PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT;
4381 }
4382}
4383
4384
4385/*
4386 *------------------------------------------------------------------------
4387 * bnx2x_override_led_value -
4388 *
4389 * Override the led value of the requsted led
4390 *
4391 *------------------------------------------------------------------------
4392 */
4393u8 bnx2x_override_led_value(struct bnx2x *bp, u8 port,
4394 u32 led_idx, u32 value)
4395{
4396 u32 reg_val;
4397
4398 /* If port 0 then use EMAC0, else use EMAC1*/
4399 u32 emac_base = (port) ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
4400
4401 DP(NETIF_MSG_LINK,
4402 "bnx2x_override_led_value() port %x led_idx %d value %d\n",
4403 port, led_idx, value);
4404
4405 switch (led_idx) {
4406 case 0: /* 10MB led */
4407 /* Read the current value of the LED register in
4408 the EMAC block */
4409 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
4410 /* Set the OVERRIDE bit to 1 */
4411 reg_val |= EMAC_LED_OVERRIDE;
4412 /* If value is 1, set the 10M_OVERRIDE bit,
4413 otherwise reset it.*/
4414 reg_val = (value == 1) ? (reg_val | EMAC_LED_10MB_OVERRIDE) :
4415 (reg_val & ~EMAC_LED_10MB_OVERRIDE);
4416 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
4417 break;
4418 case 1: /*100MB led */
4419 /*Read the current value of the LED register in
4420 the EMAC block */
4421 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
4422 /* Set the OVERRIDE bit to 1 */
4423 reg_val |= EMAC_LED_OVERRIDE;
4424 /* If value is 1, set the 100M_OVERRIDE bit,
4425 otherwise reset it.*/
4426 reg_val = (value == 1) ? (reg_val | EMAC_LED_100MB_OVERRIDE) :
4427 (reg_val & ~EMAC_LED_100MB_OVERRIDE);
4428 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
4429 break;
4430 case 2: /* 1000MB led */
4431 /* Read the current value of the LED register in the
4432 EMAC block */
4433 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
4434 /* Set the OVERRIDE bit to 1 */
4435 reg_val |= EMAC_LED_OVERRIDE;
4436 /* If value is 1, set the 1000M_OVERRIDE bit, otherwise
4437 reset it. */
4438 reg_val = (value == 1) ? (reg_val | EMAC_LED_1000MB_OVERRIDE) :
4439 (reg_val & ~EMAC_LED_1000MB_OVERRIDE);
4440 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
4441 break;
4442 case 3: /* 2500MB led */
4443 /* Read the current value of the LED register in the
4444 EMAC block*/
4445 reg_val = REG_RD(bp, emac_base + EMAC_REG_EMAC_LED);
4446 /* Set the OVERRIDE bit to 1 */
4447 reg_val |= EMAC_LED_OVERRIDE;
4448 /* If value is 1, set the 2500M_OVERRIDE bit, otherwise
4449 reset it.*/
4450 reg_val = (value == 1) ? (reg_val | EMAC_LED_2500MB_OVERRIDE) :
4451 (reg_val & ~EMAC_LED_2500MB_OVERRIDE);
4452 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
4453 break;
4454 case 4: /*10G led */
4455 if (port == 0) {
4456 REG_WR(bp, NIG_REG_LED_10G_P0,
4457 value);
4458 } else {
4459 REG_WR(bp, NIG_REG_LED_10G_P1,
4460 value);
4461 }
4462 break;
4463 case 5: /* TRAFFIC led */
4464 /* Find if the traffic control is via BMAC or EMAC */
4465 if (port == 0)
4466 reg_val = REG_RD(bp, NIG_REG_NIG_EMAC0_EN);
4467 else
4468 reg_val = REG_RD(bp, NIG_REG_NIG_EMAC1_EN);
4469
4470 /* Override the traffic led in the EMAC:*/
4471 if (reg_val == 1) {
4472 /* Read the current value of the LED register in
4473 the EMAC block */
4474 reg_val = REG_RD(bp, emac_base +
4475 EMAC_REG_EMAC_LED);
4476 /* Set the TRAFFIC_OVERRIDE bit to 1 */
4477 reg_val |= EMAC_LED_OVERRIDE;
4478 /* If value is 1, set the TRAFFIC bit, otherwise
4479 reset it.*/
4480 reg_val = (value == 1) ? (reg_val | EMAC_LED_TRAFFIC) :
4481 (reg_val & ~EMAC_LED_TRAFFIC);
4482 REG_WR(bp, emac_base + EMAC_REG_EMAC_LED, reg_val);
4483 } else { /* Override the traffic led in the BMAC: */
4484 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
4485 + port*4, 1);
4486 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4,
4487 value);
4488 }
4489 break;
4490 default:
4491 DP(NETIF_MSG_LINK,
4492 "bnx2x_override_led_value() unknown led index %d "
4493 "(should be 0-5)\n", led_idx);
4494 return -EINVAL;
4495 }
4496
4497 return 0;
4498}
4499
4500
4501u8 bnx2x_set_led(struct bnx2x *bp, u8 port, u8 mode, u32 speed,
4502 u16 hw_led_mode, u32 chip_id)
4503{
4504 u8 rc = 0;
Eilon Greenstein345b5d52008-08-13 15:58:12 -07004505 u32 tmp;
4506 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004507 DP(NETIF_MSG_LINK, "bnx2x_set_led: port %x, mode %d\n", port, mode);
4508 DP(NETIF_MSG_LINK, "speed 0x%x, hw_led_mode 0x%x\n",
4509 speed, hw_led_mode);
4510 switch (mode) {
4511 case LED_MODE_OFF:
4512 REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 0);
4513 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4,
4514 SHARED_HW_CFG_LED_MAC1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07004515
4516 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004517 EMAC_WR(bp, EMAC_REG_EMAC_LED, (tmp | EMAC_LED_OVERRIDE));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004518 break;
4519
4520 case LED_MODE_OPER:
4521 REG_WR(bp, NIG_REG_LED_MODE_P0 + port*4, hw_led_mode);
4522 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 +
4523 port*4, 0);
4524 /* Set blinking rate to ~15.9Hz */
4525 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4,
4526 LED_BLINK_RATE_VAL);
4527 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 +
4528 port*4, 1);
Eilon Greenstein345b5d52008-08-13 15:58:12 -07004529 tmp = EMAC_RD(bp, EMAC_REG_EMAC_LED);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004530 EMAC_WR(bp, EMAC_REG_EMAC_LED,
Eilon Greenstein345b5d52008-08-13 15:58:12 -07004531 (tmp & (~EMAC_LED_OVERRIDE)));
4532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004533 if (!CHIP_IS_E1H(bp) &&
4534 ((speed == SPEED_2500) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004535 (speed == SPEED_1000) ||
4536 (speed == SPEED_100) ||
4537 (speed == SPEED_10))) {
4538 /* On Everest 1 Ax chip versions for speeds less than
4539 10G LED scheme is different */
4540 REG_WR(bp, NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0
4541 + port*4, 1);
4542 REG_WR(bp, NIG_REG_LED_CONTROL_TRAFFIC_P0 +
4543 port*4, 0);
4544 REG_WR(bp, NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 +
4545 port*4, 1);
4546 }
4547 break;
4548
4549 default:
4550 rc = -EINVAL;
4551 DP(NETIF_MSG_LINK, "bnx2x_set_led: Invalid led mode %d\n",
4552 mode);
4553 break;
4554 }
4555 return rc;
4556
4557}
4558
4559u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars)
4560{
4561 struct bnx2x *bp = params->bp;
4562 u16 gp_status = 0;
4563
4564 CL45_RD_OVER_CL22(bp, params->port,
4565 params->phy_addr,
4566 MDIO_REG_BANK_GP_STATUS,
4567 MDIO_GP_STATUS_TOP_AN_STATUS1,
4568 &gp_status);
4569 /* link is up only if both local phy and external phy are up */
4570 if ((gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) &&
4571 bnx2x_ext_phy_is_link_up(params, vars))
4572 return 0;
4573
4574 return -ESRCH;
4575}
4576
4577static u8 bnx2x_link_initialize(struct link_params *params,
4578 struct link_vars *vars)
4579{
4580 struct bnx2x *bp = params->bp;
4581 u8 port = params->port;
4582 u8 rc = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004583 u8 non_ext_phy;
4584 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004585 /* Activate the external PHY */
4586 bnx2x_ext_phy_reset(params, vars);
4587
4588 bnx2x_set_aer_mmd(params, vars);
4589
4590 if (vars->phy_flags & PHY_XGXS_FLAG)
4591 bnx2x_set_master_ln(params);
4592
4593 rc = bnx2x_reset_unicore(params);
4594 /* reset the SerDes and wait for reset bit return low */
4595 if (rc != 0)
4596 return rc;
4597
4598 bnx2x_set_aer_mmd(params, vars);
4599
4600 /* setting the masterLn_def again after the reset */
4601 if (vars->phy_flags & PHY_XGXS_FLAG) {
4602 bnx2x_set_master_ln(params);
4603 bnx2x_set_swap_lanes(params);
4604 }
4605
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004606 if (vars->phy_flags & PHY_XGXS_FLAG) {
Eilon Greenstein44722d12009-01-14 06:44:21 +00004607 if ((params->req_line_speed &&
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004608 ((params->req_line_speed == SPEED_100) ||
Eilon Greenstein44722d12009-01-14 06:44:21 +00004609 (params->req_line_speed == SPEED_10))) ||
4610 (!params->req_line_speed &&
4611 (params->speed_cap_mask >=
4612 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
4613 (params->speed_cap_mask <
4614 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)
4615 )) {
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004616 vars->phy_flags |= PHY_SGMII_FLAG;
4617 } else {
4618 vars->phy_flags &= ~PHY_SGMII_FLAG;
4619 }
4620 }
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004621 /* In case of external phy existance, the line speed would be the
4622 line speed linked up by the external phy. In case it is direct only,
4623 then the line_speed during initialization will be equal to the
4624 req_line_speed*/
4625 vars->line_speed = params->req_line_speed;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004626
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07004627 bnx2x_calc_ieee_aneg_adv(params, &vars->ieee_fc);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004628
4629 /* init ext phy and enable link state int */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004630 non_ext_phy = ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) ||
4631 (params->loopback_mode == LOOPBACK_XGXS_10) ||
4632 (params->loopback_mode == LOOPBACK_EXT_PHY));
4633
4634 if (non_ext_phy ||
Eilon Greenstein589abe32009-02-12 08:36:55 +00004635 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) ||
Eilon Greenstein28577182009-02-12 08:37:00 +00004636 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) ||
4637 (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481)) {
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004638 if (params->req_line_speed == SPEED_AUTO_NEG)
4639 bnx2x_set_parallel_detection(params, vars->phy_flags);
4640 bnx2x_init_internal_phy(params, vars);
4641 }
4642
4643 if (!non_ext_phy)
4644 rc |= bnx2x_ext_phy_init(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004645
4646 bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004647 (NIG_STATUS_XGXS0_LINK10G |
4648 NIG_STATUS_XGXS0_LINK_STATUS |
4649 NIG_STATUS_SERDES0_LINK_STATUS));
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004650
4651 return rc;
4652
4653}
4654
4655
4656u8 bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
4657{
4658 struct bnx2x *bp = params->bp;
4659
4660 u32 val;
Eilon Greenstein3196a882008-08-13 15:58:49 -07004661 DP(NETIF_MSG_LINK, "Phy Initialization started \n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004662 DP(NETIF_MSG_LINK, "req_speed = %d, req_flowctrl=%d\n",
4663 params->req_line_speed, params->req_flow_ctrl);
4664 vars->link_status = 0;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004665 vars->phy_link_up = 0;
4666 vars->link_up = 0;
4667 vars->line_speed = 0;
4668 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004669 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004670 vars->mac_type = MAC_TYPE_NONE;
4671
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004672 if (params->switch_cfg == SWITCH_CFG_1G)
4673 vars->phy_flags = PHY_SERDES_FLAG;
4674 else
4675 vars->phy_flags = PHY_XGXS_FLAG;
4676
Eilon Greenstein3196a882008-08-13 15:58:49 -07004677
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004678 /* disable attentions */
4679 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + params->port*4,
4680 (NIG_MASK_XGXS0_LINK_STATUS |
4681 NIG_MASK_XGXS0_LINK10G |
4682 NIG_MASK_SERDES0_LINK_STATUS |
4683 NIG_MASK_MI_INT));
4684
4685 bnx2x_emac_init(params, vars);
4686
4687 if (CHIP_REV_IS_FPGA(bp)) {
4688 vars->link_up = 1;
4689 vars->line_speed = SPEED_10000;
4690 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004691 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004692 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004693 /* enable on E1.5 FPGA */
4694 if (CHIP_IS_E1H(bp)) {
4695 vars->flow_ctrl |=
David S. Millerc0700f92008-12-16 23:53:20 -08004696 (BNX2X_FLOW_CTRL_TX | BNX2X_FLOW_CTRL_RX);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004697 vars->link_status |=
4698 (LINK_STATUS_TX_FLOW_CONTROL_ENABLED |
4699 LINK_STATUS_RX_FLOW_CONTROL_ENABLED);
4700 }
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004701
4702 bnx2x_emac_enable(params, vars, 0);
4703 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
4704 /* disable drain */
4705 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
4706 + params->port*4, 0);
4707
4708 /* update shared memory */
4709 bnx2x_update_mng(params, vars->link_status);
4710
4711 return 0;
4712
4713 } else
4714 if (CHIP_REV_IS_EMUL(bp)) {
4715
4716 vars->link_up = 1;
4717 vars->line_speed = SPEED_10000;
4718 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004719 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004720 vars->link_status = (LINK_STATUS_LINK_UP | LINK_10GTFD);
4721
4722 bnx2x_bmac_enable(params, vars, 0);
4723
4724 bnx2x_pbf_update(params, vars->flow_ctrl, vars->line_speed);
4725 /* Disable drain */
4726 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE
4727 + params->port*4, 0);
4728
4729 /* update shared memory */
4730 bnx2x_update_mng(params, vars->link_status);
4731
4732 return 0;
4733
4734 } else
4735 if (params->loopback_mode == LOOPBACK_BMAC) {
4736 vars->link_up = 1;
4737 vars->line_speed = SPEED_10000;
4738 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004739 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004740 vars->mac_type = MAC_TYPE_BMAC;
4741
4742 vars->phy_flags = PHY_XGXS_FLAG;
4743
4744 bnx2x_phy_deassert(params, vars->phy_flags);
4745 /* set bmac loopback */
4746 bnx2x_bmac_enable(params, vars, 1);
4747
4748 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
4749 params->port*4, 0);
4750 } else if (params->loopback_mode == LOOPBACK_EMAC) {
4751 vars->link_up = 1;
4752 vars->line_speed = SPEED_1000;
4753 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004754 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004755 vars->mac_type = MAC_TYPE_EMAC;
4756
4757 vars->phy_flags = PHY_XGXS_FLAG;
4758
4759 bnx2x_phy_deassert(params, vars->phy_flags);
4760 /* set bmac loopback */
4761 bnx2x_emac_enable(params, vars, 1);
4762 bnx2x_emac_program(params, vars->line_speed,
4763 vars->duplex);
4764 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
4765 params->port*4, 0);
4766 } else if ((params->loopback_mode == LOOPBACK_XGXS_10) ||
4767 (params->loopback_mode == LOOPBACK_EXT_PHY)) {
4768 vars->link_up = 1;
4769 vars->line_speed = SPEED_10000;
4770 vars->duplex = DUPLEX_FULL;
David S. Millerc0700f92008-12-16 23:53:20 -08004771 vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004772
4773 vars->phy_flags = PHY_XGXS_FLAG;
4774
4775 val = REG_RD(bp,
4776 NIG_REG_XGXS0_CTRL_PHY_ADDR+
4777 params->port*0x18);
4778 params->phy_addr = (u8)val;
4779
4780 bnx2x_phy_deassert(params, vars->phy_flags);
4781 bnx2x_link_initialize(params, vars);
4782
4783 vars->mac_type = MAC_TYPE_BMAC;
4784
4785 bnx2x_bmac_enable(params, vars, 0);
4786
4787 if (params->loopback_mode == LOOPBACK_XGXS_10) {
4788 /* set 10G XGXS loopback */
4789 bnx2x_set_xgxs_loopback(params, vars, 1);
4790 } else {
4791 /* set external phy loopback */
4792 bnx2x_ext_phy_loopback(params);
4793 }
4794 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE +
4795 params->port*4, 0);
4796 } else
4797 /* No loopback */
4798 {
4799
4800 bnx2x_phy_deassert(params, vars->phy_flags);
4801 switch (params->switch_cfg) {
4802 case SWITCH_CFG_1G:
4803 vars->phy_flags |= PHY_SERDES_FLAG;
4804 if ((params->ext_phy_config &
4805 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_MASK) ==
4806 PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482) {
4807 vars->phy_flags |=
4808 PHY_SGMII_FLAG;
4809 }
4810
4811 val = REG_RD(bp,
4812 NIG_REG_SERDES0_CTRL_PHY_ADDR+
4813 params->port*0x10);
4814
4815 params->phy_addr = (u8)val;
4816
4817 break;
4818 case SWITCH_CFG_10G:
4819 vars->phy_flags |= PHY_XGXS_FLAG;
4820 val = REG_RD(bp,
4821 NIG_REG_XGXS0_CTRL_PHY_ADDR+
4822 params->port*0x18);
4823 params->phy_addr = (u8)val;
4824
4825 break;
4826 default:
4827 DP(NETIF_MSG_LINK, "Invalid switch_cfg\n");
4828 return -EINVAL;
4829 break;
4830 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00004831 DP(NETIF_MSG_LINK, "Phy address = 0x%x\n", params->phy_addr);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004832
4833 bnx2x_link_initialize(params, vars);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004834 msleep(30);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004835 bnx2x_link_int_enable(params);
4836 }
4837 return 0;
4838}
4839
Eilon Greenstein589abe32009-02-12 08:36:55 +00004840static void bnx2x_8726_reset_phy(struct bnx2x *bp, u8 port, u8 ext_phy_addr)
4841{
4842 DP(NETIF_MSG_LINK, "bnx2x_8726_reset_phy port %d\n", port);
4843
4844 /* Set serial boot control for external load */
4845 bnx2x_cl45_write(bp, port,
4846 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726, ext_phy_addr,
4847 MDIO_PMA_DEVAD,
4848 MDIO_PMA_REG_GEN_CTRL, 0x0001);
4849
4850 /* Disable Transmitter */
4851 bnx2x_bcm8726_set_transmitter(bp, port, ext_phy_addr, 0);
4852
4853}
4854
4855u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars,
4856 u8 reset_ext_phy)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004857{
4858
4859 struct bnx2x *bp = params->bp;
4860 u32 ext_phy_config = params->ext_phy_config;
4861 u16 hw_led_mode = params->hw_led_mode;
4862 u32 chip_id = params->chip_id;
4863 u8 port = params->port;
4864 u32 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
4865 /* disable attentions */
4866
4867 vars->link_status = 0;
4868 bnx2x_update_mng(params, vars->link_status);
4869 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
4870 (NIG_MASK_XGXS0_LINK_STATUS |
4871 NIG_MASK_XGXS0_LINK10G |
4872 NIG_MASK_SERDES0_LINK_STATUS |
4873 NIG_MASK_MI_INT));
4874
4875 /* activate nig drain */
4876 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
4877
4878 /* disable nig egress interface */
4879 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
4880 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
4881
4882 /* Stop BigMac rx */
4883 bnx2x_bmac_rx_disable(bp, port);
4884
4885 /* disable emac */
4886 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
4887
4888 msleep(10);
4889 /* The PHY reset is controled by GPIO 1
4890 * Hold it as vars low
4891 */
4892 /* clear link led */
4893 bnx2x_set_led(bp, port, LED_MODE_OFF, 0, hw_led_mode, chip_id);
Eilon Greenstein589abe32009-02-12 08:36:55 +00004894 if (reset_ext_phy) {
4895 switch (ext_phy_type) {
4896 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
4897 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
4898 break;
4899 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
4900 DP(NETIF_MSG_LINK, "Setting 8073 port %d into "
4901 "low power mode\n",
4902 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004903 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07004904 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4905 port);
Eilon Greenstein589abe32009-02-12 08:36:55 +00004906 break;
4907 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
4908 {
4909 u8 ext_phy_addr = ((params->ext_phy_config &
4910 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
4911 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
4912 /* Set soft reset */
4913 bnx2x_8726_reset_phy(bp, params->port, ext_phy_addr);
4914 break;
4915 }
4916 default:
4917 /* HW reset */
4918 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
4919 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4920 port);
4921 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
4922 MISC_REGISTERS_GPIO_OUTPUT_LOW,
4923 port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004924 DP(NETIF_MSG_LINK, "reset external PHY\n");
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07004925 }
4926 }
4927 /* reset the SerDes/XGXS */
4928 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR,
4929 (0x1ff << (port*16)));
4930
4931 /* reset BigMac */
4932 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
4933 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
4934
4935 /* disable nig ingress interface */
4936 REG_WR(bp, NIG_REG_BMAC0_IN_EN + port*4, 0);
4937 REG_WR(bp, NIG_REG_EMAC0_IN_EN + port*4, 0);
4938 REG_WR(bp, NIG_REG_BMAC0_OUT_EN + port*4, 0);
4939 REG_WR(bp, NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0);
4940 vars->link_up = 0;
4941 return 0;
4942}
4943
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004944static u8 bnx2x_update_link_down(struct link_params *params,
4945 struct link_vars *vars)
4946{
4947 struct bnx2x *bp = params->bp;
4948 u8 port = params->port;
4949 DP(NETIF_MSG_LINK, "Port %x: Link is down\n", port);
4950 bnx2x_set_led(bp, port, LED_MODE_OFF,
4951 0, params->hw_led_mode,
4952 params->chip_id);
4953
4954 /* indicate no mac active */
4955 vars->mac_type = MAC_TYPE_NONE;
4956
4957 /* update shared memory */
4958 vars->link_status = 0;
4959 vars->line_speed = 0;
4960 bnx2x_update_mng(params, vars->link_status);
4961
4962 /* activate nig drain */
4963 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1);
4964
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00004965 /* disable emac */
4966 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
4967
4968 msleep(10);
4969
Yaniv Rosner57963ed2008-08-13 15:55:28 -07004970 /* reset BigMac */
4971 bnx2x_bmac_rx_disable(bp, params->port);
4972 REG_WR(bp, GRCBASE_MISC +
4973 MISC_REGISTERS_RESET_REG_2_CLEAR,
4974 (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
4975 return 0;
4976}
4977
4978static u8 bnx2x_update_link_up(struct link_params *params,
4979 struct link_vars *vars,
4980 u8 link_10g, u32 gp_status)
4981{
4982 struct bnx2x *bp = params->bp;
4983 u8 port = params->port;
4984 u8 rc = 0;
4985 vars->link_status |= LINK_STATUS_LINK_UP;
4986 if (link_10g) {
4987 bnx2x_bmac_enable(params, vars, 0);
4988 bnx2x_set_led(bp, port, LED_MODE_OPER,
4989 SPEED_10000, params->hw_led_mode,
4990 params->chip_id);
4991
4992 } else {
4993 bnx2x_emac_enable(params, vars, 0);
4994 rc = bnx2x_emac_program(params, vars->line_speed,
4995 vars->duplex);
4996
4997 /* AN complete? */
4998 if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
4999 if (!(vars->phy_flags &
5000 PHY_SGMII_FLAG))
Eilon Greensteined8680a2009-02-12 08:37:12 +00005001 bnx2x_set_gmii_tx_driver(params);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005002 }
5003 }
5004
5005 /* PBF - link up */
5006 rc |= bnx2x_pbf_update(params, vars->flow_ctrl,
5007 vars->line_speed);
5008
5009 /* disable drain */
5010 REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 0);
5011
5012 /* update shared memory */
5013 bnx2x_update_mng(params, vars->link_status);
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00005014 msleep(20);
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005015 return rc;
5016}
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005017/* This function should called upon link interrupt */
5018/* In case vars->link_up, driver needs to
5019 1. Update the pbf
5020 2. Disable drain
5021 3. Update the shared memory
5022 4. Indicate link up
5023 5. Set LEDs
5024 Otherwise,
5025 1. Update shared memory
5026 2. Reset BigMac
5027 3. Report link down
5028 4. Unset LEDs
5029*/
5030u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars)
5031{
5032 struct bnx2x *bp = params->bp;
5033 u8 port = params->port;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005034 u16 gp_status;
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005035 u8 link_10g;
5036 u8 ext_phy_link_up, rc = 0;
5037 u32 ext_phy_type;
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005038
5039 DP(NETIF_MSG_LINK, "port %x, XGXS?%x, int_status 0x%x\n",
5040 port,
5041 (vars->phy_flags & PHY_XGXS_FLAG),
5042 REG_RD(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4));
5043
5044 DP(NETIF_MSG_LINK, "int_mask 0x%x MI_INT %x, SERDES_LINK %x\n",
5045 REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4),
5046 REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18),
5047 REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c));
5048
5049 DP(NETIF_MSG_LINK, " 10G %x, XGXS_LINK %x\n",
5050 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68),
5051 REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68));
5052
Eilon Greenstein6c55c3cd2009-01-14 06:44:13 +00005053 /* disable emac */
5054 REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0);
5055
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005056 ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005057
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005058 /* Check external link change only for non-direct */
5059 ext_phy_link_up = bnx2x_ext_phy_is_link_up(params, vars);
5060
5061 /* Read gp_status */
5062 CL45_RD_OVER_CL22(bp, port, params->phy_addr,
5063 MDIO_REG_BANK_GP_STATUS,
5064 MDIO_GP_STATUS_TOP_AN_STATUS1,
5065 &gp_status);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005066
5067 rc = bnx2x_link_settings_status(params, vars, gp_status);
5068 if (rc != 0)
5069 return rc;
5070
5071 /* anything 10 and over uses the bmac */
5072 link_10g = ((vars->line_speed == SPEED_10000) ||
5073 (vars->line_speed == SPEED_12000) ||
5074 (vars->line_speed == SPEED_12500) ||
5075 (vars->line_speed == SPEED_13000) ||
5076 (vars->line_speed == SPEED_15000) ||
5077 (vars->line_speed == SPEED_16000));
5078
5079 bnx2x_link_int_ack(params, vars, link_10g);
5080
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005081 /* In case external phy link is up, and internal link is down
5082 ( not initialized yet probably after link initialization, it needs
5083 to be initialized.
5084 Note that after link down-up as result of cable plug,
5085 the xgxs link would probably become up again without the need to
5086 initialize it*/
5087
5088 if ((ext_phy_type != PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT) &&
5089 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) &&
Eilon Greenstein589abe32009-02-12 08:36:55 +00005090 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726) &&
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005091 (ext_phy_link_up && !vars->phy_link_up))
5092 bnx2x_init_internal_phy(params, vars);
5093
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005094 /* link is up only if both local phy and external phy are up */
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005095 vars->link_up = (ext_phy_link_up && vars->phy_link_up);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005096
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005097 if (vars->link_up)
5098 rc = bnx2x_update_link_up(params, vars, link_10g, gp_status);
5099 else
5100 rc = bnx2x_update_link_down(params, vars);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005101
5102 return rc;
5103}
5104
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005105static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base)
5106{
5107 u8 ext_phy_addr[PORT_MAX];
5108 u16 val;
5109 s8 port;
5110
5111 /* PART1 - Reset both phys */
5112 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
5113 /* Extract the ext phy address for the port */
5114 u32 ext_phy_config = REG_RD(bp, shmem_base +
5115 offsetof(struct shmem_region,
5116 dev_info.port_hw_config[port].external_phy_config));
5117
5118 /* disable attentions */
5119 bnx2x_bits_dis(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4,
5120 (NIG_MASK_XGXS0_LINK_STATUS |
5121 NIG_MASK_XGXS0_LINK10G |
5122 NIG_MASK_SERDES0_LINK_STATUS |
5123 NIG_MASK_MI_INT));
5124
5125 ext_phy_addr[port] =
5126 ((ext_phy_config &
5127 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
5128 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
5129
5130 /* Need to take the phy out of low power mode in order
5131 to write to access its registers */
5132 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
5133 MISC_REGISTERS_GPIO_OUTPUT_HIGH, port);
5134
5135 /* Reset the phy */
5136 bnx2x_cl45_write(bp, port,
5137 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5138 ext_phy_addr[port],
5139 MDIO_PMA_DEVAD,
5140 MDIO_PMA_REG_CTRL,
5141 1<<15);
5142 }
5143
5144 /* Add delay of 150ms after reset */
5145 msleep(150);
5146
5147 /* PART2 - Download firmware to both phys */
5148 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
5149 u16 fw_ver1;
5150
5151 bnx2x_bcm8073_external_rom_boot(bp, port,
Eilon Greensteina35da8d2009-02-12 08:37:02 +00005152 ext_phy_addr[port], shmem_base);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005153
5154 bnx2x_cl45_read(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5155 ext_phy_addr[port],
5156 MDIO_PMA_DEVAD,
5157 MDIO_PMA_REG_ROM_VER1, &fw_ver1);
Eilon Greenstein16b311c2009-01-14 06:44:24 +00005158 if (fw_ver1 == 0 || fw_ver1 == 0x4321) {
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005159 DP(NETIF_MSG_LINK,
Eilon Greenstein16b311c2009-01-14 06:44:24 +00005160 "bnx2x_8073_common_init_phy port %x:"
5161 "Download failed. fw version = 0x%x\n",
5162 port, fw_ver1);
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005163 return -EINVAL;
5164 }
5165
5166 /* Only set bit 10 = 1 (Tx power down) */
5167 bnx2x_cl45_read(bp, port,
5168 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5169 ext_phy_addr[port],
5170 MDIO_PMA_DEVAD,
5171 MDIO_PMA_REG_TX_POWER_DOWN, &val);
5172
5173 /* Phase1 of TX_POWER_DOWN reset */
5174 bnx2x_cl45_write(bp, port,
5175 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5176 ext_phy_addr[port],
5177 MDIO_PMA_DEVAD,
5178 MDIO_PMA_REG_TX_POWER_DOWN,
5179 (val | 1<<10));
5180 }
5181
5182 /* Toggle Transmitter: Power down and then up with 600ms
5183 delay between */
5184 msleep(600);
5185
5186 /* PART3 - complete TX_POWER_DOWN process, and set GPIO2 back to low */
5187 for (port = PORT_MAX - 1; port >= PORT_0; port--) {
Eilon Greensteinf5372252009-02-12 08:38:30 +00005188 /* Phase2 of POWER_DOWN_RESET */
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005189 /* Release bit 10 (Release Tx power down) */
5190 bnx2x_cl45_read(bp, port,
5191 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5192 ext_phy_addr[port],
5193 MDIO_PMA_DEVAD,
5194 MDIO_PMA_REG_TX_POWER_DOWN, &val);
5195
5196 bnx2x_cl45_write(bp, port,
5197 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5198 ext_phy_addr[port],
5199 MDIO_PMA_DEVAD,
5200 MDIO_PMA_REG_TX_POWER_DOWN, (val & (~(1<<10))));
5201 msleep(15);
5202
5203 /* Read modify write the SPI-ROM version select register */
5204 bnx2x_cl45_read(bp, port,
5205 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5206 ext_phy_addr[port],
5207 MDIO_PMA_DEVAD,
5208 MDIO_PMA_REG_EDC_FFE_MAIN, &val);
5209 bnx2x_cl45_write(bp, port,
5210 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073,
5211 ext_phy_addr[port],
5212 MDIO_PMA_DEVAD,
5213 MDIO_PMA_REG_EDC_FFE_MAIN, (val | (1<<12)));
5214
5215 /* set GPIO2 back to LOW */
5216 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
5217 MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
5218 }
5219 return 0;
5220
5221}
5222
Eilon Greenstein589abe32009-02-12 08:36:55 +00005223
5224static u8 bnx2x_8726_common_init_phy(struct bnx2x *bp, u32 shmem_base)
5225{
5226 u8 ext_phy_addr;
5227 u32 val;
5228 s8 port;
5229 /* Use port1 because of the static port-swap */
5230 /* Enable the module detection interrupt */
5231 val = REG_RD(bp, MISC_REG_GPIO_EVENT_EN);
5232 val |= ((1<<MISC_REGISTERS_GPIO_3)|
5233 (1<<(MISC_REGISTERS_GPIO_3 + MISC_REGISTERS_GPIO_PORT_SHIFT)));
5234 REG_WR(bp, MISC_REG_GPIO_EVENT_EN, val);
5235
5236 bnx2x_hw_reset(bp, 1);
5237 msleep(5);
5238 for (port = 0; port < PORT_MAX; port++) {
5239 /* Extract the ext phy address for the port */
5240 u32 ext_phy_config = REG_RD(bp, shmem_base +
5241 offsetof(struct shmem_region,
5242 dev_info.port_hw_config[port].external_phy_config));
5243
5244 ext_phy_addr =
5245 ((ext_phy_config &
5246 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
5247 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
5248 DP(NETIF_MSG_LINK, "8726_common_init : ext_phy_addr = 0x%x\n",
5249 ext_phy_addr);
5250
5251 bnx2x_8726_reset_phy(bp, port, ext_phy_addr);
5252
5253 /* Set fault module detected LED on */
5254 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
5255 MISC_REGISTERS_GPIO_HIGH,
5256 port);
5257 }
5258
5259 return 0;
5260}
5261
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005262u8 bnx2x_common_init_phy(struct bnx2x *bp, u32 shmem_base)
5263{
5264 u8 rc = 0;
5265 u32 ext_phy_type;
5266
Eilon Greensteinf5372252009-02-12 08:38:30 +00005267 DP(NETIF_MSG_LINK, "Begin common phy init\n");
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005268
5269 /* Read the ext_phy_type for arbitrary port(0) */
5270 ext_phy_type = XGXS_EXT_PHY_TYPE(
5271 REG_RD(bp, shmem_base +
5272 offsetof(struct shmem_region,
5273 dev_info.port_hw_config[0].external_phy_config)));
5274
5275 switch (ext_phy_type) {
5276 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
5277 {
5278 rc = bnx2x_8073_common_init_phy(bp, shmem_base);
5279 break;
5280 }
Eilon Greenstein589abe32009-02-12 08:36:55 +00005281 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
5282 /* GPIO1 affects both ports, so there's need to pull
5283 it for single port alone */
5284 rc = bnx2x_8726_common_init_phy(bp, shmem_base);
5285
5286 break;
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005287 default:
5288 DP(NETIF_MSG_LINK,
5289 "bnx2x_common_init_phy: ext_phy 0x%x not required\n",
5290 ext_phy_type);
5291 break;
5292 }
5293
5294 return rc;
5295}
5296
5297
5298
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005299static void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, u8 port, u8 phy_addr)
5300{
5301 u16 val, cnt;
5302
5303 bnx2x_cl45_read(bp, port,
5304 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5305 phy_addr,
5306 MDIO_PMA_DEVAD,
5307 MDIO_PMA_REG_7101_RESET, &val);
5308
5309 for (cnt = 0; cnt < 10; cnt++) {
5310 msleep(50);
5311 /* Writes a self-clearing reset */
5312 bnx2x_cl45_write(bp, port,
5313 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5314 phy_addr,
5315 MDIO_PMA_DEVAD,
5316 MDIO_PMA_REG_7101_RESET,
5317 (val | (1<<15)));
5318 /* Wait for clear */
5319 bnx2x_cl45_read(bp, port,
5320 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5321 phy_addr,
5322 MDIO_PMA_DEVAD,
5323 MDIO_PMA_REG_7101_RESET, &val);
5324
5325 if ((val & (1<<15)) == 0)
5326 break;
5327 }
5328}
5329#define RESERVED_SIZE 256
5330/* max application is 160K bytes - data at end of RAM */
Eilon Greenstein6378c022008-08-13 15:59:25 -07005331#define MAX_APP_SIZE (160*1024 - RESERVED_SIZE)
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005332
5333/* Header is 14 bytes */
5334#define HEADER_SIZE 14
5335#define DATA_OFFSET HEADER_SIZE
5336
5337#define SPI_START_TRANSFER(bp, port, ext_phy_addr) \
5338 bnx2x_cl45_write(bp, port, PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101, \
5339 ext_phy_addr, \
5340 MDIO_PCS_DEVAD, \
5341 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 1)
5342
5343/* Programs an image to DSP's flash via the SPI port*/
5344static u8 bnx2x_sfx7101_flash_download(struct bnx2x *bp, u8 port,
5345 u8 ext_phy_addr,
5346 char data[], u32 size)
5347{
5348 const u16 num_trans = size/4; /* 4 bytes can be sent at a time */
5349 /* Doesn't include last trans!*/
5350 const u16 last_trans_size = size%4; /* Num bytes on last trans */
5351 u16 trans_cnt, byte_cnt;
5352 u32 data_index;
5353 u16 tmp;
5354 u16 code_started = 0;
5355 u16 image_revision1, image_revision2;
5356 u16 cnt;
5357
5358 DP(NETIF_MSG_LINK, "bnx2x_sfx7101_flash_download file_size=%d\n", size);
5359 /* Going to flash*/
5360 if ((size-HEADER_SIZE) > MAX_APP_SIZE) {
5361 /* This very often will be the case, because the image is built
5362 with 160Kbytes size whereas the total image size must actually
5363 be 160Kbytes-RESERVED_SIZE */
5364 DP(NETIF_MSG_LINK, "Warning, file size was %d bytes "
5365 "truncated to %d bytes\n", size, MAX_APP_SIZE);
5366 size = MAX_APP_SIZE+HEADER_SIZE;
5367 }
5368 DP(NETIF_MSG_LINK, "File version is %c%c\n", data[0x14e], data[0x14f]);
Eilon Greenstein3196a882008-08-13 15:58:49 -07005369 DP(NETIF_MSG_LINK, " %c%c\n", data[0x150], data[0x151]);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005370 /* Put the DSP in download mode by setting FLASH_CFG[2] to 1
5371 and issuing a reset.*/
5372
5373 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005374 MISC_REGISTERS_GPIO_HIGH, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005375
5376 bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr);
5377
5378 /* wait 0.5 sec */
5379 for (cnt = 0; cnt < 100; cnt++)
5380 msleep(5);
5381
5382 /* Make sure we can access the DSP
5383 And it's in the correct mode (waiting for download) */
5384
5385 bnx2x_cl45_read(bp, port,
5386 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5387 ext_phy_addr,
5388 MDIO_PCS_DEVAD,
5389 MDIO_PCS_REG_7101_DSP_ACCESS, &tmp);
5390
5391 if (tmp != 0x000A) {
5392 DP(NETIF_MSG_LINK, "DSP is not in waiting on download mode. "
5393 "Expected 0x000A, read 0x%04X\n", tmp);
5394 DP(NETIF_MSG_LINK, "Download failed\n");
5395 return -EINVAL;
5396 }
5397
5398 /* Mux the SPI interface away from the internal processor */
5399 bnx2x_cl45_write(bp, port,
5400 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5401 ext_phy_addr,
5402 MDIO_PCS_DEVAD,
5403 MDIO_PCS_REG_7101_SPI_MUX, 1);
5404
5405 /* Reset the SPI port */
5406 bnx2x_cl45_write(bp, port,
5407 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5408 ext_phy_addr,
5409 MDIO_PCS_DEVAD,
5410 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0);
5411 bnx2x_cl45_write(bp, port,
5412 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5413 ext_phy_addr,
5414 MDIO_PCS_DEVAD,
5415 MDIO_PCS_REG_7101_SPI_CTRL_ADDR,
5416 (1<<MDIO_PCS_REG_7101_SPI_RESET_BIT));
5417 bnx2x_cl45_write(bp, port,
5418 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5419 ext_phy_addr,
5420 MDIO_PCS_DEVAD,
5421 MDIO_PCS_REG_7101_SPI_CTRL_ADDR, 0);
5422
5423 /* Erase the flash */
5424 bnx2x_cl45_write(bp, port,
5425 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5426 ext_phy_addr,
5427 MDIO_PCS_DEVAD,
5428 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5429 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
5430
5431 bnx2x_cl45_write(bp, port,
5432 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5433 ext_phy_addr,
5434 MDIO_PCS_DEVAD,
5435 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5436 1);
5437
5438 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5439 bnx2x_cl45_write(bp, port,
5440 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5441 ext_phy_addr,
5442 MDIO_PCS_DEVAD,
5443 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5444 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_BULK_ERASE_CMD);
5445
5446 bnx2x_cl45_write(bp, port,
5447 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5448 ext_phy_addr,
5449 MDIO_PCS_DEVAD,
5450 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5451 1);
5452 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5453
5454 /* Wait 10 seconds, the maximum time for the erase to complete */
5455 DP(NETIF_MSG_LINK, "Erasing flash, this takes 10 seconds...\n");
5456 for (cnt = 0; cnt < 1000; cnt++)
5457 msleep(10);
5458
5459 DP(NETIF_MSG_LINK, "Downloading flash, please wait...\n");
5460 data_index = 0;
5461 for (trans_cnt = 0; trans_cnt < num_trans; trans_cnt++) {
5462 bnx2x_cl45_write(bp, port,
5463 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5464 ext_phy_addr,
5465 MDIO_PCS_DEVAD,
5466 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5467 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
5468
5469 bnx2x_cl45_write(bp, port,
5470 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5471 ext_phy_addr,
5472 MDIO_PCS_DEVAD,
5473 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5474 1);
5475 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5476
5477 bnx2x_cl45_write(bp, port,
5478 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5479 ext_phy_addr,
5480 MDIO_PCS_DEVAD,
5481 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5482 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD);
5483
5484 /* Bits 23-16 of address */
5485 bnx2x_cl45_write(bp, port,
5486 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5487 ext_phy_addr,
5488 MDIO_PCS_DEVAD,
5489 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5490 (data_index>>16));
5491 /* Bits 15-8 of address */
5492 bnx2x_cl45_write(bp, port,
5493 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5494 ext_phy_addr,
5495 MDIO_PCS_DEVAD,
5496 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5497 (data_index>>8));
5498
5499 /* Bits 7-0 of address */
5500 bnx2x_cl45_write(bp, port,
5501 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5502 ext_phy_addr,
5503 MDIO_PCS_DEVAD,
5504 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5505 ((u16)data_index));
5506
5507 byte_cnt = 0;
5508 while (byte_cnt < 4 && data_index < size) {
5509 bnx2x_cl45_write(bp, port,
5510 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5511 ext_phy_addr,
5512 MDIO_PCS_DEVAD,
5513 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5514 data[data_index++]);
5515 byte_cnt++;
5516 }
5517
5518 bnx2x_cl45_write(bp, port,
5519 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5520 ext_phy_addr,
5521 MDIO_PCS_DEVAD,
5522 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5523 byte_cnt+4);
5524
5525 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5526 msleep(5); /* Wait 5 ms minimum between transs */
5527
5528 /* Let the user know something's going on.*/
5529 /* a pacifier ever 4K */
5530 if ((data_index % 1023) == 0)
5531 DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size);
5532 }
5533
5534 DP(NETIF_MSG_LINK, "\n");
5535 /* Transfer the last block if there is data remaining */
5536 if (last_trans_size) {
5537 bnx2x_cl45_write(bp, port,
5538 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5539 ext_phy_addr,
5540 MDIO_PCS_DEVAD,
5541 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5542 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_WRITE_ENABLE_CMD);
5543
5544 bnx2x_cl45_write(bp, port,
5545 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5546 ext_phy_addr,
5547 MDIO_PCS_DEVAD,
5548 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5549 1);
5550
5551 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5552
5553 bnx2x_cl45_write(bp, port,
5554 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5555 ext_phy_addr,
5556 MDIO_PCS_DEVAD,
5557 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5558 MDIO_PCS_REG_7101_SPI_FIFO_ADDR_PAGE_PROGRAM_CMD);
5559
5560 /* Bits 23-16 of address */
5561 bnx2x_cl45_write(bp, port,
5562 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5563 ext_phy_addr,
5564 MDIO_PCS_DEVAD,
5565 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5566 (data_index>>16));
5567 /* Bits 15-8 of address */
5568 bnx2x_cl45_write(bp, port,
5569 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5570 ext_phy_addr,
5571 MDIO_PCS_DEVAD,
5572 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5573 (data_index>>8));
5574
5575 /* Bits 7-0 of address */
5576 bnx2x_cl45_write(bp, port,
5577 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5578 ext_phy_addr,
5579 MDIO_PCS_DEVAD,
5580 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5581 ((u16)data_index));
5582
5583 byte_cnt = 0;
5584 while (byte_cnt < last_trans_size && data_index < size) {
5585 /* Bits 7-0 of address */
5586 bnx2x_cl45_write(bp, port,
5587 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5588 ext_phy_addr,
5589 MDIO_PCS_DEVAD,
5590 MDIO_PCS_REG_7101_SPI_FIFO_ADDR,
5591 data[data_index++]);
5592 byte_cnt++;
5593 }
5594
5595 bnx2x_cl45_write(bp, port,
5596 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5597 ext_phy_addr,
5598 MDIO_PCS_DEVAD,
5599 MDIO_PCS_REG_7101_SPI_BYTES_TO_TRANSFER_ADDR,
5600 byte_cnt+4);
5601
5602 SPI_START_TRANSFER(bp, port, ext_phy_addr);
5603 }
5604
5605 /* DSP Remove Download Mode */
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005606 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
5607 MISC_REGISTERS_GPIO_LOW, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005608
5609 bnx2x_sfx7101_sp_sw_reset(bp, port, ext_phy_addr);
5610
5611 /* wait 0.5 sec to allow it to run */
5612 for (cnt = 0; cnt < 100; cnt++)
5613 msleep(5);
5614
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005615 bnx2x_hw_reset(bp, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005616
5617 for (cnt = 0; cnt < 100; cnt++)
5618 msleep(5);
5619
5620 /* Check that the code is started. In case the download
5621 checksum failed, the code won't be started. */
5622 bnx2x_cl45_read(bp, port,
5623 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5624 ext_phy_addr,
5625 MDIO_PCS_DEVAD,
5626 MDIO_PCS_REG_7101_DSP_ACCESS,
5627 &tmp);
5628
5629 code_started = (tmp & (1<<4));
5630 if (!code_started) {
5631 DP(NETIF_MSG_LINK, "Download failed. Please check file.\n");
5632 return -EINVAL;
5633 }
5634
5635 /* Verify that the file revision is now equal to the image
5636 revision within the DSP */
5637 bnx2x_cl45_read(bp, port,
5638 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5639 ext_phy_addr,
5640 MDIO_PMA_DEVAD,
5641 MDIO_PMA_REG_7101_VER1,
5642 &image_revision1);
5643
5644 bnx2x_cl45_read(bp, port,
5645 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101,
5646 ext_phy_addr,
5647 MDIO_PMA_DEVAD,
5648 MDIO_PMA_REG_7101_VER2,
5649 &image_revision2);
5650
Eilon Greenstein3196a882008-08-13 15:58:49 -07005651 if (data[0x14e] != (image_revision2&0xFF) ||
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005652 data[0x14f] != ((image_revision2&0xFF00)>>8) ||
5653 data[0x150] != (image_revision1&0xFF) ||
5654 data[0x151] != ((image_revision1&0xFF00)>>8)) {
5655 DP(NETIF_MSG_LINK, "Download failed.\n");
5656 return -EINVAL;
5657 }
5658 DP(NETIF_MSG_LINK, "Download %d%%\n", data_index/size);
5659 return 0;
5660}
5661
5662u8 bnx2x_flash_download(struct bnx2x *bp, u8 port, u32 ext_phy_config,
5663 u8 driver_loaded, char data[], u32 size)
5664{
5665 u8 rc = 0;
5666 u32 ext_phy_type;
5667 u8 ext_phy_addr;
5668 ext_phy_addr = ((ext_phy_config &
5669 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
5670 PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
5671
5672 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
5673
5674 switch (ext_phy_type) {
5675 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
5676 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
5677 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
5678 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
5679 DP(NETIF_MSG_LINK,
5680 "Flash download not supported for this ext phy\n");
5681 rc = -EINVAL;
5682 break;
5683 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
5684 /* Take ext phy out of reset */
5685 if (!driver_loaded)
Yaniv Rosner57963ed2008-08-13 15:55:28 -07005686 bnx2x_turn_on_ef(bp, port, ext_phy_addr, ext_phy_type);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005687 rc = bnx2x_sfx7101_flash_download(bp, port, ext_phy_addr,
5688 data, size);
5689 if (!driver_loaded)
Eilon Greenstein17de50b2008-08-13 15:56:59 -07005690 bnx2x_turn_off_sf(bp, port);
Yaniv Rosnerea4e0402008-06-23 20:27:26 -07005691 break;
5692 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
5693 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE:
5694 case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN:
5695 default:
5696 DP(NETIF_MSG_LINK, "Invalid ext phy type\n");
5697 rc = -EINVAL;
5698 break;
5699 }
5700 return rc;
5701}
5702