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Date: Wed, 8 Sep 2010 00:41:04 +0300
From: "Yaniv Rosner" <yaniv.rosner@...adcom.com>
To: davem@...emloft.net
cc: netdev@...r.kernel.org, eilong@...adcom.com
Subject: [PATCH net-next 05/10] bnx2x: Move common function into
aggregated function
Move all PHY specific logic from bnx2x_main into bnx2x_link.
Signed-off-by: Yaniv Rosner <yanivr@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/bnx2x/bnx2x_link.c | 95 ++++++++++++++++++++++++++++++++++---
drivers/net/bnx2x/bnx2x_link.h | 8 +++
drivers/net/bnx2x/bnx2x_main.c | 103 +++++-----------------------------------
3 files changed, 108 insertions(+), 98 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c
index fec3d75..895ae00 100644
--- a/drivers/net/bnx2x/bnx2x_link.c
+++ b/drivers/net/bnx2x/bnx2x_link.c
@@ -2079,7 +2079,7 @@ static u8 bnx2x_init_xgxs(struct bnx2x_phy *phy,
return rc;
}
/*****************************************************************************/
-/* External Phy section */
+/* External Phy section */
/*****************************************************************************/
void bnx2x_ext_phy_hw_reset(struct bnx2x *bp, u8 port)
{
@@ -3271,6 +3271,8 @@ static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
+ u32 val;
+ u32 swap_val, swap_override, aeu_gpio_mask, offset;
DP(NETIF_MSG_LINK, "Initializing BCM8726\n");
/* Restore normal power mode*/
bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
@@ -3351,6 +3353,31 @@ static u8 bnx2x_8726_config_init(struct bnx2x_phy *phy,
MDIO_PMA_REG_8726_TX_CTRL2,
phy->tx_preemphasis[1]);
}
+
+ /* Set GPIO3 to trigger SFP+ module insertion/removal */
+ bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
+ MISC_REGISTERS_GPIO_INPUT_HI_Z, params->port);
+
+ /* The GPIO should be swapped if the swap register is set and active */
+ swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
+ swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
+
+ /* Select function upon port-swap configuration */
+ if (params->port == 0) {
+ offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
+ aeu_gpio_mask = (swap_val && swap_override) ?
+ AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
+ AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
+ } else {
+ offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
+ aeu_gpio_mask = (swap_val && swap_override) ?
+ AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
+ AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
+ }
+ val = REG_RD(bp, offset);
+ /* add GPIO3 to group */
+ val |= aeu_gpio_mask;
+ REG_WR(bp, offset, val);
return 0;
}
@@ -4888,10 +4915,9 @@ u8 bnx2x_test_link(struct link_params *params, struct link_vars *vars)
}
static u8 bnx2x_link_initialize(struct link_params *params,
- struct link_vars *vars)
+ struct link_vars *vars)
{
struct bnx2x *bp = params->bp;
- u8 port = params->port;
u8 rc = 0;
u8 phy_index, non_ext_phy;
struct bnx2x_phy *ext_phy = ¶ms->phy[EXT_PHY1];
@@ -4964,10 +4990,13 @@ static u8 bnx2x_link_initialize(struct link_params *params,
params, vars);
}
- bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4,
- (NIG_STATUS_XGXS0_LINK10G |
- NIG_STATUS_XGXS0_LINK_STATUS |
- NIG_STATUS_SERDES0_LINK_STATUS));
+ /* Reset the interrupt indication after phy was initialized */
+ bnx2x_bits_dis(bp, NIG_REG_STATUS_INTERRUPT_PORT0 +
+ params->port*4,
+ (NIG_STATUS_XGXS0_LINK10G |
+ NIG_STATUS_XGXS0_LINK_STATUS |
+ NIG_STATUS_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
return rc;
}
@@ -6516,3 +6545,55 @@ void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy)
}
}
+u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base)
+{
+ u8 phy_index;
+ struct bnx2x_phy phy;
+ for (phy_index = INT_PHY; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base,
+ 0, &phy) != 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return 0;
+ }
+
+ if (phy.flags & FLAGS_HW_LOCK_REQUIRED)
+ return 1;
+ }
+ return 0;
+}
+
+u8 bnx2x_fan_failure_det_req(struct bnx2x *bp,
+ u32 shmem_base,
+ u8 port)
+{
+ u8 phy_index, fan_failure_det_req = 0;
+ struct bnx2x_phy phy;
+ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (bnx2x_populate_phy(bp, phy_index, shmem_base,
+ port, &phy)
+ != 0) {
+ DP(NETIF_MSG_LINK, "populate phy failed\n");
+ return 0;
+ }
+ fan_failure_det_req |= (phy.flags &
+ FLAGS_FAN_FAILURE_DET_REQ);
+ }
+ return fan_failure_det_req;
+}
+
+void bnx2x_hw_reset_phy(struct link_params *params)
+{
+ u8 phy_index;
+ for (phy_index = EXT_PHY1; phy_index < MAX_PHYS;
+ phy_index++) {
+ if (params->phy[phy_index].hw_reset) {
+ params->phy[phy_index].hw_reset(
+ ¶ms->phy[phy_index],
+ params);
+ params->phy[phy_index] = phy_null;
+ }
+ }
+}
+
diff --git a/drivers/net/bnx2x/bnx2x_link.h b/drivers/net/bnx2x/bnx2x_link.h
index 9717cb1..d663c4f 100644
--- a/drivers/net/bnx2x/bnx2x_link.h
+++ b/drivers/net/bnx2x/bnx2x_link.h
@@ -311,8 +311,16 @@ void bnx2x_sfx7101_sp_sw_reset(struct bnx2x *bp, struct bnx2x_phy *phy);
u8 bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy,
struct link_params *params, u16 addr,
u8 byte_cnt, u8 *o_buf);
+
+void bnx2x_hw_reset_phy(struct link_params *params);
+
+/* Checks if HW lock is required for this phy/board type */
+u8 bnx2x_hw_lock_required(struct bnx2x *bp, u32 shmem_base);
/* Returns the aggregative supported attributes of the phys on board */
u32 bnx2x_supported_attr(struct link_params *params, u8 phy_idx);
/* Probe the phys on board, and populate them in "params" */
u8 bnx2x_phy_probe(struct link_params *params);
+/* Checks if fan failure detection is required on one of the phys on board */
+u8 bnx2x_fan_failure_det_req(struct bnx2x *bp, u32 shmem_base, u8 port);
+
#endif /* BNX2X_LINK_H */
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 1184677..0210dde 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -1981,7 +1981,7 @@ static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
{
int port = BP_PORT(bp);
int reg_offset;
- u32 val, swap_val, swap_override;
+ u32 val;
reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
@@ -1995,30 +1995,7 @@ static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
BNX2X_ERR("SPIO5 hw attention\n");
/* Fan failure attention */
- switch (bp->link_params.phy[EXT_PHY1].type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
- /* Low power mode is controlled by GPIO 2 */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- /* The PHY reset is controlled by GPIO 1 */
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- break;
-
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- /* The PHY reset is controlled by GPIO 1 */
- /* fake the port number to cancel the swap done in
- set_gpio() */
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
- port = (swap_val && swap_override) ^ 1;
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1,
- MISC_REGISTERS_GPIO_OUTPUT_LOW, port);
- break;
-
- default:
- break;
- }
+ bnx2x_hw_reset_phy(&bp->link_params);
bnx2x_fan_failure(bp);
}
@@ -3867,17 +3844,11 @@ static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
*/
else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
for (port = PORT_0; port < PORT_MAX; port++) {
- u32 phy_type =
- SHMEM_RD(bp, dev_info.port_hw_config[port].
- external_phy_config) &
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
is_required |=
- ((phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) ||
- (phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727) ||
- (phy_type ==
- PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8481));
+ bnx2x_fan_failure_det_req(
+ bp,
+ bp->common.shmem_base,
+ port);
}
DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
@@ -4144,17 +4115,8 @@ static int bnx2x_init_common(struct bnx2x *bp)
return -EBUSY;
}
- switch (bp->link_params.phy[EXT_PHY1].type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- bp->port.need_hw_lock = 1;
- break;
-
- default:
- break;
- }
+ bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
+ bp->common.shmem_base);
bnx2x_setup_fan_failure_detection(bp);
@@ -4302,57 +4264,16 @@ static int bnx2x_init_port(struct bnx2x *bp)
bnx2x_init_block(bp, MCP_BLOCK, init_stage);
bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
+ bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
+ bp->common.shmem_base);
- switch (bp->link_params.phy[EXT_PHY1].type) {
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8726:
- {
- u32 swap_val, swap_override, aeu_gpio_mask, offset;
-
- bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_3,
- MISC_REGISTERS_GPIO_INPUT_HI_Z, port);
-
- /* The GPIO should be swapped if the swap register is
- set and active */
- swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
- swap_override = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
-
- /* Select function upon port-swap configuration */
- if (port == 0) {
- offset = MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0;
- aeu_gpio_mask = (swap_val && swap_override) ?
- AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1 :
- AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0;
- } else {
- offset = MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0;
- aeu_gpio_mask = (swap_val && swap_override) ?
- AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 :
- AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1;
- }
- val = REG_RD(bp, offset);
- /* add GPIO3 to group */
- val |= aeu_gpio_mask;
- REG_WR(bp, offset, val);
- }
- bp->port.need_hw_lock = 1;
- break;
-
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727:
- bp->port.need_hw_lock = 1;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101:
- /* add SPIO 5 to group 0 */
- {
+ if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
+ port)) {
u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
val = REG_RD(bp, reg_addr);
val |= AEU_INPUTS_ATTN_BITS_SPIO5;
REG_WR(bp, reg_addr, val);
- }
- break;
- case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073:
- bp->port.need_hw_lock = 1;
- break;
- default:
- break;
}
bnx2x__link_reset(bp);
--
1.7.1
--
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