aboutsummaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/bnx2x_main.c102
-rw-r--r--drivers/net/bnx2x_reg.h17
2 files changed, 75 insertions, 44 deletions
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index dfa8c7b00cb..3e86ff4f4d4 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -1693,11 +1693,12 @@ static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event);
* General service functions
*/
-static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
+static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
{
u32 lock_status;
u32 resource_bit = (1 << resource);
- u8 port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ u32 hw_lock_control_reg;
int cnt;
/* Validating that the resource is within range */
@@ -1708,8 +1709,15 @@ static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
return -EINVAL;
}
+ if (func <= 5) {
+ hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
+ } else {
+ hw_lock_control_reg =
+ (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
+ }
+
/* Validating that the resource is not already taken */
- lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ lock_status = REG_RD(bp, hw_lock_control_reg);
if (lock_status & resource_bit) {
DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
lock_status, resource_bit);
@@ -1719,9 +1727,8 @@ static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
/* Try for 1 second every 5ms */
for (cnt = 0; cnt < 200; cnt++) {
/* Try to acquire the lock */
- REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8 + 4,
- resource_bit);
- lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
+ lock_status = REG_RD(bp, hw_lock_control_reg);
if (lock_status & resource_bit)
return 0;
@@ -1731,11 +1738,12 @@ static int bnx2x_hw_lock(struct bnx2x *bp, u32 resource)
return -EAGAIN;
}
-static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
+static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
{
u32 lock_status;
u32 resource_bit = (1 << resource);
- u8 port = BP_PORT(bp);
+ int func = BP_FUNC(bp);
+ u32 hw_lock_control_reg;
/* Validating that the resource is within range */
if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
@@ -1745,20 +1753,27 @@ static int bnx2x_hw_unlock(struct bnx2x *bp, u32 resource)
return -EINVAL;
}
+ if (func <= 5) {
+ hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
+ } else {
+ hw_lock_control_reg =
+ (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
+ }
+
/* Validating that the resource is currently taken */
- lock_status = REG_RD(bp, MISC_REG_DRIVER_CONTROL_1 + port*8);
+ lock_status = REG_RD(bp, hw_lock_control_reg);
if (!(lock_status & resource_bit)) {
DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
lock_status, resource_bit);
return -EFAULT;
}
- REG_WR(bp, MISC_REG_DRIVER_CONTROL_1 + port*8, resource_bit);
+ REG_WR(bp, hw_lock_control_reg, resource_bit);
return 0;
}
/* HW Lock for shared dual port PHYs */
-static void bnx2x_phy_hw_lock(struct bnx2x *bp)
+static void bnx2x_acquire_phy_lock(struct bnx2x *bp)
{
u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
@@ -1766,16 +1781,16 @@ static void bnx2x_phy_hw_lock(struct bnx2x *bp)
if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
(ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
- bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
}
-static void bnx2x_phy_hw_unlock(struct bnx2x *bp)
+static void bnx2x_release_phy_lock(struct bnx2x *bp)
{
u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config);
if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) ||
(ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073))
- bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_8072_MDIO);
+ bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO);
mutex_unlock(&bp->port.phy_mutex);
}
@@ -1795,7 +1810,7 @@ int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
return -EINVAL;
}
- bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
+ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
/* read GPIO and mask except the float bits */
gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
@@ -1828,7 +1843,7 @@ int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode)
}
REG_WR(bp, MISC_REG_GPIO, gpio_reg);
- bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_GPIO);
+ bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
return 0;
}
@@ -1844,7 +1859,7 @@ static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
return -EINVAL;
}
- bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
+ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
/* read SPIO and mask except the float bits */
spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
@@ -1874,7 +1889,7 @@ static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
}
REG_WR(bp, MISC_REG_SPIO, spio_reg);
- bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_SPIO);
+ bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
return 0;
}
@@ -1940,9 +1955,9 @@ static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
/* Initialize link parameters structure variables */
bp->link_params.mtu = bp->dev->mtu;
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
if (bp->link_vars.link_up)
bnx2x_link_report(bp);
@@ -1958,9 +1973,9 @@ static u8 bnx2x_initial_phy_init(struct bnx2x *bp)
static void bnx2x_link_set(struct bnx2x *bp)
{
if (!BP_NOMCP(bp)) {
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
bnx2x_calc_fc_adv(bp);
} else
@@ -1970,9 +1985,9 @@ static void bnx2x_link_set(struct bnx2x *bp)
static void bnx2x__link_reset(struct bnx2x *bp)
{
if (!BP_NOMCP(bp)) {
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_link_reset(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
} else
BNX2X_ERR("Bootcode is missing -not resetting link\n");
}
@@ -1981,9 +1996,9 @@ static u8 bnx2x_link_test(struct bnx2x *bp)
{
u8 rc;
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
rc = bnx2x_test_link(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
return rc;
}
@@ -2207,9 +2222,9 @@ static void bnx2x_link_attn(struct bnx2x *bp)
/* Make sure that we are synced with the current statistics */
bnx2x_stats_handle(bp, STATS_EVENT_STOP);
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_link_update(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
if (bp->link_vars.link_up) {
@@ -2361,7 +2376,7 @@ static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
}
/* acquire split MCP access lock register */
-static int bnx2x_lock_alr(struct bnx2x *bp)
+static int bnx2x_acquire_alr(struct bnx2x *bp)
{
u32 i, j, val;
int rc = 0;
@@ -2385,8 +2400,8 @@ static int bnx2x_lock_alr(struct bnx2x *bp)
return rc;
}
-/* Release split MCP access lock register */
-static void bnx2x_unlock_alr(struct bnx2x *bp)
+/* release split MCP access lock register */
+static void bnx2x_release_alr(struct bnx2x *bp)
{
u32 val = 0;
@@ -2399,7 +2414,6 @@ static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
u16 rc = 0;
barrier(); /* status block is written to by the chip */
-
if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
rc |= 1;
@@ -2706,7 +2720,7 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
/* need to take HW lock because MCP or other port might also
try to handle this event */
- bnx2x_lock_alr(bp);
+ bnx2x_acquire_alr(bp);
attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
@@ -2742,7 +2756,7 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
}
}
- bnx2x_unlock_alr(bp);
+ bnx2x_release_alr(bp);
reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * BP_FUNC(bp)) * 8;
@@ -6767,7 +6781,7 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
/* Check if it is the UNDI driver
* UNDI driver initializes CID offset for normal bell to 0x7
*/
- bnx2x_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
+ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
if (val == 0x7) {
u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
@@ -6846,7 +6860,7 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
(SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) &
DRV_MSG_SEQ_NUMBER_MASK);
}
- bnx2x_hw_unlock(bp, HW_LOCK_RESOURCE_UNDI);
+ bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
}
}
@@ -7703,11 +7717,11 @@ static void bnx2x_get_drvinfo(struct net_device *dev,
phy_fw_ver[0] = '\0';
if (bp->port.pmf) {
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_get_ext_phy_fw_version(&bp->link_params,
(bp->state != BNX2X_STATE_CLOSED),
phy_fw_ver, PHY_FW_VER_LEN);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
}
snprintf(info->fw_version, 32, "%d.%d.%d:%d BC:%x%s%s",
@@ -8165,7 +8179,7 @@ static int bnx2x_set_eeprom(struct net_device *dev,
if (eeprom->magic == 0x00504859)
if (bp->port.pmf) {
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
rc = bnx2x_flash_download(bp, BP_PORT(bp),
bp->link_params.ext_phy_config,
(bp->state != BNX2X_STATE_CLOSED),
@@ -8177,7 +8191,7 @@ static int bnx2x_set_eeprom(struct net_device *dev,
rc |= bnx2x_phy_init(&bp->link_params,
&bp->link_vars);
}
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
} else /* Only the PMF can access the PHY */
return -EINVAL;
@@ -8601,15 +8615,15 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
if (loopback_mode == BNX2X_MAC_LOOPBACK) {
bp->link_params.loopback_mode = LOOPBACK_BMAC;
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
} else if (loopback_mode == BNX2X_PHY_LOOPBACK) {
bp->link_params.loopback_mode = LOOPBACK_XGXS_10;
- bnx2x_phy_hw_lock(bp);
+ bnx2x_acquire_phy_lock(bp);
bnx2x_phy_init(&bp->link_params, &bp->link_vars);
- bnx2x_phy_hw_unlock(bp);
+ bnx2x_release_phy_lock(bp);
/* wait until link state is restored */
bnx2x_wait_for_link(bp, link_up);
diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h
index b5313c209ca..3f65dffb6d7 100644
--- a/drivers/net/bnx2x_reg.h
+++ b/drivers/net/bnx2x_reg.h
@@ -1372,6 +1372,23 @@
be asserted). */
#define MISC_REG_DRIVER_CONTROL_16 0xa5f0
#define MISC_REG_DRIVER_CONTROL_16_SIZE 2
+/* [RW 32] The following driver registers(1...16) represent 16 drivers and
+ 32 clients. Each client can be controlled by one driver only. One in each
+ bit represent that this driver control the appropriate client (Ex: bit 5
+ is set means this driver control client number 5). addr1 = set; addr0 =
+ clear; read from both addresses will give the same result = status. write
+ to address 1 will set a request to control all the clients that their
+ appropriate bit (in the write command) is set. if the client is free (the
+ appropriate bit in all the other drivers is clear) one will be written to
+ that driver register; if the client isn't free the bit will remain zero.
+ if the appropriate bit is set (the driver request to gain control on a
+ client it already controls the ~MISC_REGISTERS_INT_STS.GENERIC_SW
+ interrupt will be asserted). write to address 0 will set a request to
+ free all the clients that their appropriate bit (in the write command) is
+ set. if the appropriate bit is clear (the driver request to free a client
+ it doesn't controls the ~MISC_REGISTERS_INT_STS.GENERIC_SW interrupt will
+ be asserted). */
+#define MISC_REG_DRIVER_CONTROL_7 0xa3c8
/* [RW 1] e1hmf for WOL. If clr WOL signal o the PXP will be send on bit 0
only. */
#define MISC_REG_E1HMF_MODE 0xa5f8
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 19:07:50 +0000