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path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c254
1 files changed, 201 insertions, 53 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index a0b03c27e0a3..d946bba43726 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -1,13 +1,15 @@
/* Copyright 2008-2013 Broadcom Corporation
+ * Copyright (c) 2014 QLogic Corporation
+ * All rights reserved
*
- * Unless you and Broadcom execute a separate written software license
+ * Unless you and QLogic execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2, available
- * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
+ * at http://www.gnu.org/licenses/gpl-2.0.html (the "GPL").
*
* Notwithstanding the above, under no circumstances may you combine this
- * software in any way with any other Broadcom software provided under a
- * license other than the GPL, without Broadcom's express prior written
+ * software in any way with any other Qlogic software provided under a
+ * license other than the GPL, without Qlogic's express prior written
* consent.
*
* Written by Yaniv Rosner
@@ -9652,6 +9654,13 @@ static void bnx2x_8727_link_reset(struct bnx2x_phy *phy,
/******************************************************************/
/* BCM8481/BCM84823/BCM84833 PHY SECTION */
/******************************************************************/
+static int bnx2x_is_8483x_8485x(struct bnx2x_phy *phy)
+{
+ return ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834) ||
+ (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858));
+}
+
static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
struct bnx2x *bp,
u8 port)
@@ -9666,8 +9675,7 @@ static void bnx2x_save_848xx_spirom_version(struct bnx2x_phy *phy,
};
u16 fw_ver1;
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ if (bnx2x_is_8483x_8485x(phy)) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD, 0x400f, &fw_ver1);
bnx2x_save_spirom_version(bp, port, fw_ver1 & 0xfff,
phy->ver_addr);
@@ -9749,8 +9757,7 @@ static void bnx2x_848xx_set_led(struct bnx2x *bp,
bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
reg_set[i].val);
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
+ if (bnx2x_is_8483x_8485x(phy))
offset = MDIO_PMA_REG_84833_CTL_LED_CTL_1;
else
offset = MDIO_PMA_REG_84823_CTL_LED_CTL_1;
@@ -9768,8 +9775,7 @@ static void bnx2x_848xx_specific_func(struct bnx2x_phy *phy,
struct bnx2x *bp = params->bp;
switch (action) {
case PHY_INIT:
- if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
- (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ if (!bnx2x_is_8483x_8485x(phy)) {
/* Save spirom version */
bnx2x_save_848xx_spirom_version(phy, bp, params->port);
}
@@ -9901,8 +9907,7 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
/* Always write this if this is not 84833/4.
* For 84833/4, write it only when it's a forced speed.
*/
- if (((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
- (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) ||
+ if (!bnx2x_is_8483x_8485x(phy) ||
((autoneg_val & (1<<12)) == 0))
bnx2x_cl45_write(bp, phy,
MDIO_AN_DEVAD,
@@ -9949,8 +9954,86 @@ static int bnx2x_8481_config_init(struct bnx2x_phy *phy,
return bnx2x_848xx_cmn_config_init(phy, params, vars);
}
-#define PHY84833_CMDHDLR_WAIT 300
-#define PHY84833_CMDHDLR_MAX_ARGS 5
+#define PHY848xx_CMDHDLR_WAIT 300
+#define PHY848xx_CMDHDLR_MAX_ARGS 5
+
+static int bnx2x_84858_cmd_hdlr(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u16 fw_cmd,
+ u16 cmd_args[], int argc)
+{
+ int idx;
+ u16 val;
+ struct bnx2x *bp = params->bp;
+
+ /* Step 1: Poll the STATUS register to see whether the previous command
+ * is in progress or the system is busy (CMD_IN_PROGRESS or
+ * SYSTEM_BUSY). If previous command is in progress or system is busy,
+ * check again until the previous command finishes execution and the
+ * system is available for taking command
+ */
+
+ for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_848xx_CMD_HDLR_STATUS, &val);
+ if ((val != PHY84858_STATUS_CMD_IN_PROGRESS) &&
+ (val != PHY84858_STATUS_CMD_SYSTEM_BUSY))
+ break;
+ usleep_range(1000, 2000);
+ }
+ if (idx >= PHY848xx_CMDHDLR_WAIT) {
+ DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
+ return -EINVAL;
+ }
+
+ /* Step2: If any parameters are required for the function, write them
+ * to the required DATA registers
+ */
+
+ for (idx = 0; idx < argc; idx++) {
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_848xx_CMD_HDLR_DATA1 + idx,
+ cmd_args[idx]);
+ }
+
+ /* Step3: When the firmware is ready for commands, write the 'Command
+ * code' to the CMD register
+ */
+ bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
+
+ /* Step4: Once the command has been written, poll the STATUS register
+ * to check whether the command has completed (CMD_COMPLETED_PASS/
+ * CMD_FOR_CMDS or CMD_COMPLETED_ERROR).
+ */
+
+ for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_848xx_CMD_HDLR_STATUS, &val);
+ if ((val == PHY84858_STATUS_CMD_COMPLETE_PASS) ||
+ (val == PHY84858_STATUS_CMD_COMPLETE_ERROR))
+ break;
+ usleep_range(1000, 2000);
+ }
+ if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
+ (val == PHY84858_STATUS_CMD_COMPLETE_ERROR)) {
+ DP(NETIF_MSG_LINK, "FW cmd failed.\n");
+ return -EINVAL;
+ }
+ /* Step5: Once the command has completed, read the specficied DATA
+ * registers for any saved results for the command, if applicable
+ */
+
+ /* Gather returning data */
+ for (idx = 0; idx < argc; idx++) {
+ bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
+ MDIO_848xx_CMD_HDLR_DATA1 + idx,
+ &cmd_args[idx]);
+ }
+
+ return 0;
+}
+
static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
struct link_params *params, u16 fw_cmd,
u16 cmd_args[], int argc)
@@ -9960,16 +10043,16 @@ static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
struct bnx2x *bp = params->bp;
/* Write CMD_OPEN_OVERRIDE to STATUS reg */
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_STATUS,
+ MDIO_848xx_CMD_HDLR_STATUS,
PHY84833_STATUS_CMD_OPEN_OVERRIDE);
- for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
+ for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_STATUS, &val);
+ MDIO_848xx_CMD_HDLR_STATUS, &val);
if (val == PHY84833_STATUS_CMD_OPEN_FOR_CMDS)
break;
usleep_range(1000, 2000);
}
- if (idx >= PHY84833_CMDHDLR_WAIT) {
+ if (idx >= PHY848xx_CMDHDLR_WAIT) {
DP(NETIF_MSG_LINK, "FW cmd: FW not ready.\n");
return -EINVAL;
}
@@ -9977,42 +10060,62 @@ static int bnx2x_84833_cmd_hdlr(struct bnx2x_phy *phy,
/* Prepare argument(s) and issue command */
for (idx = 0; idx < argc; idx++) {
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_DATA1 + idx,
+ MDIO_848xx_CMD_HDLR_DATA1 + idx,
cmd_args[idx]);
}
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_COMMAND, fw_cmd);
- for (idx = 0; idx < PHY84833_CMDHDLR_WAIT; idx++) {
+ MDIO_848xx_CMD_HDLR_COMMAND, fw_cmd);
+ for (idx = 0; idx < PHY848xx_CMDHDLR_WAIT; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_STATUS, &val);
+ MDIO_848xx_CMD_HDLR_STATUS, &val);
if ((val == PHY84833_STATUS_CMD_COMPLETE_PASS) ||
- (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
+ (val == PHY84833_STATUS_CMD_COMPLETE_ERROR))
break;
usleep_range(1000, 2000);
}
- if ((idx >= PHY84833_CMDHDLR_WAIT) ||
- (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
+ if ((idx >= PHY848xx_CMDHDLR_WAIT) ||
+ (val == PHY84833_STATUS_CMD_COMPLETE_ERROR)) {
DP(NETIF_MSG_LINK, "FW cmd failed.\n");
return -EINVAL;
}
/* Gather returning data */
for (idx = 0; idx < argc; idx++) {
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_DATA1 + idx,
+ MDIO_848xx_CMD_HDLR_DATA1 + idx,
&cmd_args[idx]);
}
bnx2x_cl45_write(bp, phy, MDIO_CTL_DEVAD,
- MDIO_84833_CMD_HDLR_STATUS,
+ MDIO_848xx_CMD_HDLR_STATUS,
PHY84833_STATUS_CMD_CLEAR_COMPLETE);
return 0;
}
-static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
- struct link_params *params,
- struct link_vars *vars)
+static int bnx2x_848xx_cmd_hdlr(struct bnx2x_phy *phy,
+ struct link_params *params,
+ u16 fw_cmd,
+ u16 cmd_args[], int argc)
+{
+ struct bnx2x *bp = params->bp;
+
+ if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) ||
+ (REG_RD(bp, params->shmem2_base +
+ offsetof(struct shmem2_region,
+ link_attr_sync[params->port])) &
+ LINK_ATTR_84858)) {
+ return bnx2x_84858_cmd_hdlr(phy, params, fw_cmd, cmd_args,
+ argc);
+ } else {
+ return bnx2x_84833_cmd_hdlr(phy, params, fw_cmd, cmd_args,
+ argc);
+ }
+}
+
+static int bnx2x_848xx_pair_swap_cfg(struct bnx2x_phy *phy,
+ struct link_params *params,
+ struct link_vars *vars)
{
u32 pair_swap;
- u16 data[PHY84833_CMDHDLR_MAX_ARGS];
+ u16 data[PHY848xx_CMDHDLR_MAX_ARGS];
int status;
struct bnx2x *bp = params->bp;
@@ -10028,8 +10131,9 @@ static int bnx2x_84833_pair_swap_cfg(struct bnx2x_phy *phy,
/* Only the second argument is used for this command */
data[1] = (u16)pair_swap;
- status = bnx2x_84833_cmd_hdlr(phy, params,
- PHY84833_CMD_SET_PAIR_SWAP, data, PHY84833_CMDHDLR_MAX_ARGS);
+ status = bnx2x_848xx_cmd_hdlr(phy, params,
+ PHY848xx_CMD_SET_PAIR_SWAP, data,
+ PHY848xx_CMDHDLR_MAX_ARGS);
if (status == 0)
DP(NETIF_MSG_LINK, "Pairswap OK, val=0x%x\n", data[1]);
@@ -10118,8 +10222,8 @@ static int bnx2x_8483x_disable_eee(struct bnx2x_phy *phy,
DP(NETIF_MSG_LINK, "Don't Advertise 10GBase-T EEE\n");
/* Prevent Phy from working in EEE and advertising it */
- rc = bnx2x_84833_cmd_hdlr(phy, params,
- PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
+ rc = bnx2x_848xx_cmd_hdlr(phy, params,
+ PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
if (rc) {
DP(NETIF_MSG_LINK, "EEE disable failed.\n");
return rc;
@@ -10136,8 +10240,8 @@ static int bnx2x_8483x_enable_eee(struct bnx2x_phy *phy,
struct bnx2x *bp = params->bp;
u16 cmd_args = 1;
- rc = bnx2x_84833_cmd_hdlr(phy, params,
- PHY84833_CMD_SET_EEE_MODE, &cmd_args, 1);
+ rc = bnx2x_848xx_cmd_hdlr(phy, params,
+ PHY848xx_CMD_SET_EEE_MODE, &cmd_args, 1);
if (rc) {
DP(NETIF_MSG_LINK, "EEE enable failed.\n");
return rc;
@@ -10155,7 +10259,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
u8 port, initialize = 1;
u16 val;
u32 actual_phy_selection;
- u16 cmd_args[PHY84833_CMDHDLR_MAX_ARGS];
+ u16 cmd_args[PHY848xx_CMDHDLR_MAX_ARGS];
int rc = 0;
usleep_range(1000, 2000);
@@ -10180,8 +10284,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
/* Wait for GPHY to come out of reset */
msleep(50);
- if ((phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) &&
- (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ if (!bnx2x_is_8483x_8485x(phy)) {
/* BCM84823 requires that XGXS links up first @ 10G for normal
* behavior.
*/
@@ -10192,7 +10295,19 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
bnx2x_program_serdes(&params->phy[INT_PHY], params, vars);
vars->line_speed = temp;
}
+ /* Check if this is actually BCM84858 */
+ if (phy->type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858) {
+ u16 hw_rev;
+ bnx2x_cl45_read(bp, phy, MDIO_AN_DEVAD,
+ MDIO_AN_REG_848xx_ID_MSB, &hw_rev);
+ if (hw_rev == BCM84858_PHY_ID) {
+ params->link_attr_sync |= LINK_ATTR_84858;
+ bnx2x_update_link_attr(params, params->link_attr_sync);
+ }
+ }
+
+ /* Set dual-media configuration according to configuration */
bnx2x_cl45_read(bp, phy, MDIO_CTL_DEVAD,
MDIO_CTL_REG_84823_MEDIA, &val);
val &= ~(MDIO_CTL_REG_84823_MEDIA_MAC_MASK |
@@ -10237,18 +10352,17 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
DP(NETIF_MSG_LINK, "Multi_phy config = 0x%x, Media control = 0x%x\n",
params->multi_phy_config, val);
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
- bnx2x_84833_pair_swap_cfg(phy, params, vars);
+ if (bnx2x_is_8483x_8485x(phy)) {
+ bnx2x_848xx_pair_swap_cfg(phy, params, vars);
/* Keep AutogrEEEn disabled. */
cmd_args[0] = 0x0;
cmd_args[1] = 0x0;
cmd_args[2] = PHY84833_CONSTANT_LATENCY + 1;
cmd_args[3] = PHY84833_CONSTANT_LATENCY;
- rc = bnx2x_84833_cmd_hdlr(phy, params,
- PHY84833_CMD_SET_EEE_MODE, cmd_args,
- PHY84833_CMDHDLR_MAX_ARGS);
+ rc = bnx2x_848xx_cmd_hdlr(phy, params,
+ PHY848xx_CMD_SET_EEE_MODE, cmd_args,
+ PHY848xx_CMDHDLR_MAX_ARGS);
if (rc)
DP(NETIF_MSG_LINK, "Cfg AutogrEEEn failed.\n");
}
@@ -10302,8 +10416,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy,
vars->eee_status &= ~SHMEM_EEE_SUPPORTED_MASK;
}
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) {
+ if (bnx2x_is_8483x_8485x(phy)) {
/* Bring PHY out of super isolate mode as the final step. */
bnx2x_cl45_read_and_write(bp, phy,
MDIO_CTL_DEVAD,
@@ -10435,8 +10548,7 @@ static u8 bnx2x_848xx_read_status(struct bnx2x_phy *phy,
LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE;
/* Determine if EEE was negotiated */
- if ((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834))
+ if (bnx2x_is_8483x_8485x(phy))
bnx2x_eee_an_resolve(phy, params, vars);
}
@@ -11842,6 +11954,40 @@ static const struct bnx2x_phy phy_84834 = {
.phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
};
+static const struct bnx2x_phy phy_84858 = {
+ .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858,
+ .addr = 0xff,
+ .def_md_devad = 0,
+ .flags = FLAGS_FAN_FAILURE_DET_REQ |
+ FLAGS_REARM_LATCH_SIGNAL,
+ .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff},
+ .mdio_ctrl = 0,
+ .supported = (SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP |
+ SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause),
+ .media_type = ETH_PHY_BASE_T,
+ .ver_addr = 0,
+ .req_flow_ctrl = 0,
+ .req_line_speed = 0,
+ .speed_cap_mask = 0,
+ .req_duplex = 0,
+ .rsrv = 0,
+ .config_init = (config_init_t)bnx2x_848x3_config_init,
+ .read_status = (read_status_t)bnx2x_848xx_read_status,
+ .link_reset = (link_reset_t)bnx2x_848x3_link_reset,
+ .config_loopback = (config_loopback_t)NULL,
+ .format_fw_ver = (format_fw_ver_t)bnx2x_848xx_format_ver,
+ .hw_reset = (hw_reset_t)bnx2x_84833_hw_reset_phy,
+ .set_link_led = (set_link_led_t)bnx2x_848xx_set_link_led,
+ .phy_specific_func = (phy_specific_func_t)bnx2x_848xx_specific_func
+};
+
static const struct bnx2x_phy phy_54618se = {
.type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE,
.addr = 0xff,
@@ -12128,6 +12274,9 @@ static int bnx2x_populate_ext_phy(struct bnx2x *bp,
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
*phy = phy_84834;
break;
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
+ *phy = phy_84858;
+ break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54616:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM54618SE:
*phy = phy_54618se;
@@ -12184,9 +12333,7 @@ static int bnx2x_populate_ext_phy(struct bnx2x *bp,
}
phy->mdio_ctrl = bnx2x_get_emac_base(bp, mdc_mdio_access, port);
- if (((phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833) ||
- (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834)) &&
- (phy->ver_addr)) {
+ if (bnx2x_is_8483x_8485x(phy) && (phy->ver_addr)) {
/* Remove 100Mb link supported for BCM84833/4 when phy fw
* version lower than or equal to 1.39
*/
@@ -13281,6 +13428,7 @@ static int bnx2x_ext_phy_common_init(struct bnx2x *bp, u32 shmem_base_path[],
break;
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833:
case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84834:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84858:
/* GPIO3's are linked, and so both need to be toggled
* to obtain required 2us pulse.
*/
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.