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sky2: add support for read/write of EEPROM 

Add get/set eeprom support for sky2.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hifive-unleashed-5.1
Stephen Hemminger 2007-07-09 15:33:39 -07:00 committed by Jeff Garzik
parent 8a3e3bfdf4
commit f4331a6d24
1 changed files with 115 additions and 25 deletions
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140
drivers/net/sky2.c
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@ -77,6 +77,9 @@
#define NAPI_WEIGHT 64
#define PHY_RETRIES 1000
#define SKY2_EEPROM_MAGIC 0x9955aabb
#define RING_NEXT(x,s) (((x)+1) & ((s)-1))
static const u32 default_msg =
@ -3429,34 +3432,121 @@ static int sky2_set_tso(struct net_device *dev, u32 data)
return ethtool_op_set_tso(dev, data);
}
static int sky2_get_eeprom_len(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
u16 reg2;
reg2 = sky2_pci_read32(sky2->hw, PCI_DEV_REG2);
return 1 << ( ((reg2 & PCI_VPD_ROM_SZ) >> 14) + 8);
}
static u32 sky2_vpd_read(struct sky2_hw *hw, int cap, u16 offset)
{
sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset);
while (!(sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F))
cpu_relax();
return sky2_pci_read32(hw, cap + PCI_VPD_DATA);
}
static void sky2_vpd_write(struct sky2_hw *hw, int cap, u16 offset, u32 val)
{
sky2_pci_write32(hw, cap + PCI_VPD_DATA, val);
sky2_pci_write16(hw, cap + PCI_VPD_ADDR, offset | PCI_VPD_ADDR_F);
do {
cpu_relax();
} while (sky2_pci_read16(hw, cap + PCI_VPD_ADDR) & PCI_VPD_ADDR_F);
}
static int sky2_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 *data)
{
struct sky2_port *sky2 = netdev_priv(dev);
int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD);
int length = eeprom->len;
u16 offset = eeprom->offset;
if (!cap)
return -EINVAL;
eeprom->magic = SKY2_EEPROM_MAGIC;
while (length > 0) {
u32 val = sky2_vpd_read(sky2->hw, cap, offset);
int n = min_t(int, length, sizeof(val));
memcpy(data, &val, n);
length -= n;
data += n;
offset += n;
}
return 0;
}
static int sky2_set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
u8 *data)
{
struct sky2_port *sky2 = netdev_priv(dev);
int cap = pci_find_capability(sky2->hw->pdev, PCI_CAP_ID_VPD);
int length = eeprom->len;
u16 offset = eeprom->offset;
if (!cap)
return -EINVAL;
if (eeprom->magic != SKY2_EEPROM_MAGIC)
return -EINVAL;
while (length > 0) {
u32 val;
int n = min_t(int, length, sizeof(val));
if (n < sizeof(val))
val = sky2_vpd_read(sky2->hw, cap, offset);
memcpy(&val, data, n);
sky2_vpd_write(sky2->hw, cap, offset, val);
length -= n;
data += n;
offset += n;
}
return 0;
}
static const struct ethtool_ops sky2_ethtool_ops = {
.get_settings = sky2_get_settings,
.set_settings = sky2_set_settings,
.get_drvinfo = sky2_get_drvinfo,
.get_wol = sky2_get_wol,
.set_wol = sky2_set_wol,
.get_msglevel = sky2_get_msglevel,
.set_msglevel = sky2_set_msglevel,
.nway_reset = sky2_nway_reset,
.get_regs_len = sky2_get_regs_len,
.get_regs = sky2_get_regs,
.get_link = ethtool_op_get_link,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = sky2_set_tx_csum,
.get_tso = ethtool_op_get_tso,
.set_tso = sky2_set_tso,
.get_rx_csum = sky2_get_rx_csum,
.set_rx_csum = sky2_set_rx_csum,
.get_strings = sky2_get_strings,
.get_coalesce = sky2_get_coalesce,
.set_coalesce = sky2_set_coalesce,
.get_ringparam = sky2_get_ringparam,
.set_ringparam = sky2_set_ringparam,
.get_settings = sky2_get_settings,
.set_settings = sky2_set_settings,
.get_drvinfo = sky2_get_drvinfo,
.get_wol = sky2_get_wol,
.set_wol = sky2_set_wol,
.get_msglevel = sky2_get_msglevel,
.set_msglevel = sky2_set_msglevel,
.nway_reset = sky2_nway_reset,
.get_regs_len = sky2_get_regs_len,
.get_regs = sky2_get_regs,
.get_link = ethtool_op_get_link,
.get_eeprom_len = sky2_get_eeprom_len,
.get_eeprom = sky2_get_eeprom,
.set_eeprom = sky2_set_eeprom,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = sky2_set_tx_csum,
.get_tso = ethtool_op_get_tso,
.set_tso = sky2_set_tso,
.get_rx_csum = sky2_get_rx_csum,
.set_rx_csum = sky2_set_rx_csum,
.get_strings = sky2_get_strings,
.get_coalesce = sky2_get_coalesce,
.set_coalesce = sky2_set_coalesce,
.get_ringparam = sky2_get_ringparam,
.set_ringparam = sky2_set_ringparam,
.get_pauseparam = sky2_get_pauseparam,
.set_pauseparam = sky2_set_pauseparam,
.phys_id = sky2_phys_id,
.phys_id = sky2_phys_id,
.get_stats_count = sky2_get_stats_count,
.get_ethtool_stats = sky2_get_ethtool_stats,
.get_perm_addr = ethtool_op_get_perm_addr,