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path: root/drivers/net/sky2.c
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Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c139
1 files changed, 61 insertions, 78 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index a2070db725c..52ec89b82f6 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -31,7 +31,6 @@
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/pci.h>
-#include <linux/aer.h>
#include <linux/ip.h>
#include <net/ip.h>
#include <linux/tcp.h>
@@ -240,22 +239,21 @@ static void sky2_power_on(struct sky2_hw *hw)
sky2_write8(hw, B2_Y2_CLK_GATE, 0);
if (hw->flags & SKY2_HW_ADV_POWER_CTL) {
- struct pci_dev *pdev = hw->pdev;
u32 reg;
- pci_write_config_dword(pdev, PCI_DEV_REG3, 0);
+ sky2_pci_write32(hw, PCI_DEV_REG3, 0);
- pci_read_config_dword(pdev, PCI_DEV_REG4, &reg);
+ reg = sky2_pci_read32(hw, PCI_DEV_REG4);
/* set all bits to 0 except bits 15..12 and 8 */
reg &= P_ASPM_CONTROL_MSK;
- pci_write_config_dword(pdev, PCI_DEV_REG4, reg);
+ sky2_pci_write32(hw, PCI_DEV_REG4, reg);
- pci_read_config_dword(pdev, PCI_DEV_REG5, &reg);
+ reg = sky2_pci_read32(hw, PCI_DEV_REG5);
/* set all bits to 0 except bits 28 & 27 */
reg &= P_CTL_TIM_VMAIN_AV_MSK;
- pci_write_config_dword(pdev, PCI_DEV_REG5, reg);
+ sky2_pci_write32(hw, PCI_DEV_REG5, reg);
- pci_write_config_dword(pdev, PCI_CFG_REG_1, 0);
+ sky2_pci_write32(hw, PCI_CFG_REG_1, 0);
/* Enable workaround for dev 4.107 on Yukon-Ultra & Extreme */
reg = sky2_read32(hw, B2_GP_IO);
@@ -619,12 +617,11 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff)
{
- struct pci_dev *pdev = hw->pdev;
u32 reg1;
static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD };
static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA };
- pci_read_config_dword(pdev, PCI_DEV_REG1, &reg1);
+ reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
/* Turn on/off phy power saving */
if (onoff)
reg1 &= ~phy_power[port];
@@ -634,8 +631,8 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff)
if (onoff && hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)
reg1 |= coma_mode[port];
- pci_write_config_dword(pdev, PCI_DEV_REG1, reg1);
- pci_read_config_dword(pdev, PCI_DEV_REG1, &reg1);
+ sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+ reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
udelay(100);
}
@@ -704,9 +701,9 @@ static void sky2_wol_init(struct sky2_port *sky2)
sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl);
/* Turn on legacy PCI-Express PME mode */
- pci_read_config_dword(hw->pdev, PCI_DEV_REG1, &reg1);
+ reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
reg1 |= PCI_Y2_PME_LEGACY;
- pci_write_config_dword(hw->pdev, PCI_DEV_REG1, reg1);
+ sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
/* block receiver */
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
@@ -825,8 +822,13 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), rx_reg);
- /* Flush Rx MAC FIFO on any flow control or error */
- sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
+ if (hw->chip_id == CHIP_ID_YUKON_XL) {
+ /* Hardware errata - clear flush mask */
+ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), 0);
+ } else {
+ /* Flush Rx MAC FIFO on any flow control or error */
+ sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
+ }
/* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */
reg = RX_GMF_FL_THR_DEF + 1;
@@ -848,6 +850,13 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
sky2_set_tx_stfwd(hw, port);
}
+ if (hw->chip_id == CHIP_ID_YUKON_FE_P &&
+ hw->chip_rev == CHIP_REV_YU_FE2_A0) {
+ /* disable dynamic watermark */
+ reg = sky2_read16(hw, SK_REG(port, TX_GMF_EA));
+ reg &= ~TX_DYN_WM_ENA;
+ sky2_write16(hw, SK_REG(port, TX_GMF_EA), reg);
+ }
}
/* Assign Ram Buffer allocation to queue */
@@ -1159,6 +1168,7 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp
TX_VLAN_TAG_OFF);
}
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
netif_tx_unlock_bh(dev);
}
@@ -1320,15 +1330,12 @@ static int sky2_up(struct net_device *dev)
*/
if (otherdev && netif_running(otherdev) &&
(cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) {
- struct sky2_port *osky2 = netdev_priv(otherdev);
u16 cmd;
- pci_read_config_word(hw->pdev, cap + PCI_X_CMD, &cmd);
+ cmd = sky2_pci_read16(hw, cap + PCI_X_CMD);
cmd &= ~PCI_X_CMD_MAX_SPLIT;
- pci_write_config_word(hw->pdev, cap + PCI_X_CMD, cmd);
+ sky2_pci_write16(hw, cap + PCI_X_CMD, cmd);
- sky2->rx_csum = 0;
- osky2->rx_csum = 0;
}
if (netif_msg_ifup(sky2))
@@ -2037,6 +2044,7 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
err = sky2_rx_start(sky2);
sky2_write32(hw, B0_IMSK, imask);
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
if (err)
@@ -2426,37 +2434,26 @@ static void sky2_hw_intr(struct sky2_hw *hw)
if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) {
u16 pci_err;
- pci_read_config_word(pdev, PCI_STATUS, &pci_err);
+ pci_err = sky2_pci_read16(hw, PCI_STATUS);
if (net_ratelimit())
dev_err(&pdev->dev, "PCI hardware error (0x%x)\n",
pci_err);
- pci_write_config_word(pdev, PCI_STATUS,
+ sky2_pci_write16(hw, PCI_STATUS,
pci_err | PCI_STATUS_ERROR_BITS);
}
if (status & Y2_IS_PCI_EXP) {
/* PCI-Express uncorrectable Error occurred */
- int aer = pci_find_aer_capability(hw->pdev);
u32 err;
- if (aer) {
- pci_read_config_dword(pdev, aer + PCI_ERR_UNCOR_STATUS,
- &err);
- pci_cleanup_aer_uncorrect_error_status(pdev);
- } else {
- /* Either AER not configured, or not working
- * because of bad MMCONFIG, so just do recover
- * manually.
- */
- err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS);
- sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS,
- 0xfffffffful);
- }
-
+ err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS);
+ sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS,
+ 0xfffffffful);
if (net_ratelimit())
dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err);
+ sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS);
}
if (status & Y2_HWE_L1_MASK)
@@ -2703,13 +2700,10 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
static int __devinit sky2_init(struct sky2_hw *hw)
{
- int rc;
u8 t8;
/* Enable all clocks and check for bad PCI access */
- rc = pci_write_config_dword(hw->pdev, PCI_DEV_REG3, 0);
- if (rc)
- return rc;
+ sky2_pci_write32(hw, PCI_DEV_REG3, 0);
sky2_write8(hw, B0_CTST, CS_RST_CLR);
@@ -2806,32 +2800,21 @@ static void sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
/* clear PCI errors, if any */
- pci_read_config_word(pdev, PCI_STATUS, &status);
+ status = sky2_pci_read16(hw, PCI_STATUS);
status |= PCI_STATUS_ERROR_BITS;
- pci_write_config_word(pdev, PCI_STATUS, status);
+ sky2_pci_write16(hw, PCI_STATUS, status);
sky2_write8(hw, B0_CTST, CS_MRST_CLR);
cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
if (cap) {
- if (pci_find_aer_capability(pdev)) {
- /* Check for advanced error reporting */
- pci_cleanup_aer_uncorrect_error_status(pdev);
- pci_cleanup_aer_correct_error_status(pdev);
- } else {
- dev_warn(&pdev->dev,
- "PCI Express Advanced Error Reporting"
- " not configured or MMCONFIG problem?\n");
-
- sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS,
- 0xfffffffful);
- }
+ sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS,
+ 0xfffffffful);
/* If error bit is stuck on ignore it */
if (sky2_read32(hw, B0_HWE_ISRC) & Y2_IS_PCI_EXP)
dev_info(&pdev->dev, "ignoring stuck error report bit\n");
-
- else if (pci_enable_pcie_error_reporting(pdev))
+ else
hwe_mask |= Y2_IS_PCI_EXP;
}
@@ -2930,16 +2913,14 @@ static void sky2_restart(struct work_struct *work)
int i, err;
rtnl_lock();
- sky2_write32(hw, B0_IMSK, 0);
- sky2_read32(hw, B0_IMSK);
- napi_disable(&hw->napi);
-
for (i = 0; i < hw->ports; i++) {
dev = hw->dev[i];
if (netif_running(dev))
sky2_down(dev);
}
+ napi_disable(&hw->napi);
+ sky2_write32(hw, B0_IMSK, 0);
sky2_reset(hw);
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
napi_enable(&hw->napi);
@@ -3672,32 +3653,33 @@ static int sky2_set_tso(struct net_device *dev, u32 data)
static int sky2_get_eeprom_len(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
+ struct sky2_hw *hw = sky2->hw;
u16 reg2;
- pci_read_config_word(sky2->hw->pdev, PCI_DEV_REG2, &reg2);
+ reg2 = sky2_pci_read16(hw, PCI_DEV_REG2);
return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8);
}
-static u32 sky2_vpd_read(struct pci_dev *pdev, int cap, u16 offset)
+static u32 sky2_vpd_read(struct sky2_hw *hw, int cap, u16 offset)
{
u32 val;
- pci_write_config_word(pdev, cap + PCI_VPD_ADDR, offset);
+ sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset);
do {
- pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset);
+ offset = sky2_pci_read16(hw, cap + PCI_VPD_ADDR);
} while (!(offset & PCI_VPD_ADDR_F));
- pci_read_config_dword(pdev, cap + PCI_VPD_DATA, &val);
+ val = sky2_pci_read32(hw, cap + PCI_VPD_DATA);
return val;
}
-static void sky2_vpd_write(struct pci_dev *pdev, int cap, u16 offset, u32 val)
+static void sky2_vpd_write(struct sky2_hw *hw, int cap, u16 offset, u32 val)
{
- pci_write_config_word(pdev, cap + PCI_VPD_DATA, val);
- pci_write_config_dword(pdev, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F);
+ sky2_pci_write16(hw, cap + PCI_VPD_DATA, val);
+ sky2_pci_write32(hw, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F);
do {
- pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &offset);
+ offset = sky2_pci_read16(hw, cap + PCI_VPD_ADDR);
} while (offset & PCI_VPD_ADDR_F);
}
@@ -3715,7 +3697,7 @@ static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom
eeprom->magic = SKY2_EEPROM_MAGIC;
while (length > 0) {
- u32 val = sky2_vpd_read(sky2->hw->pdev, cap, offset);
+ u32 val = sky2_vpd_read(sky2->hw, cap, offset);
int n = min_t(int, length, sizeof(val));
memcpy(data, &val, n);
@@ -3745,10 +3727,10 @@ static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom
int n = min_t(int, length, sizeof(val));
if (n < sizeof(val))
- val = sky2_vpd_read(sky2->hw->pdev, cap, offset);
+ val = sky2_vpd_read(sky2->hw, cap, offset);
memcpy(&val, data, n);
- sky2_vpd_write(sky2->hw->pdev, cap, offset, val);
+ sky2_vpd_write(sky2->hw, cap, offset, val);
length -= n;
data += n;
@@ -3881,6 +3863,7 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)),
sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX)));
+ sky2_read32(hw, B0_Y2_SP_LISR);
napi_enable(&hw->napi);
return 0;
}
@@ -4013,7 +3996,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
sky2->duplex = -1;
sky2->speed = -1;
sky2->advertising = sky2_supported_modes(hw);
- sky2->rx_csum = 1;
+ sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL);
sky2->wol = wol;
spin_lock_init(&sky2->phy_lock);
@@ -4184,9 +4167,9 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
*/
{
u32 reg;
- pci_read_config_dword(pdev,PCI_DEV_REG2, &reg);
+ reg = sky2_pci_read32(hw, PCI_DEV_REG2);
reg &= ~PCI_REV_DESC;
- pci_write_config_dword(pdev, PCI_DEV_REG2, reg);
+ sky2_pci_write32(hw, PCI_DEV_REG2, reg);
}
#endif
@@ -4377,7 +4360,7 @@ static int sky2_resume(struct pci_dev *pdev)
if (hw->chip_id == CHIP_ID_YUKON_EX ||
hw->chip_id == CHIP_ID_YUKON_EC_U ||
hw->chip_id == CHIP_ID_YUKON_FE_P)
- pci_write_config_dword(pdev, PCI_DEV_REG3, 0);
+ sky2_pci_write32(hw, PCI_DEV_REG3, 0);
sky2_reset(hw);
sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-05 17:05:06 +0000