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r8169: add hw start helpers for the 8168 and the 8101 

This commit triggers three 'defined but not used' warnings but
I prefer avoiding to tie these helpers to a specific change in
the hw start sequences of the 8168 or of the 8101.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
This commit is contained in:
Francois Romieu 2008-08-02 20:44:13 +02:00
parent f162a5d1b3
commit dacf815434
1 changed files with 96 additions and 0 deletions
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96
drivers/net/r8169.c
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@ -526,6 +526,11 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr)
return value;
}
static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
{
mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
}
static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
int val)
{
@ -543,6 +548,72 @@ static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
return mdio_read(ioaddr, location);
}
static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
{
unsigned int i;
RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
(reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
for (i = 0; i < 100; i++) {
if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
break;
udelay(10);
}
}
static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
{
u16 value = 0xffff;
unsigned int i;
RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
for (i = 0; i < 100; i++) {
if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
break;
}
udelay(10);
}
return value;
}
static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
{
unsigned int i;
RTL_W32(CSIDR, value);
RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
for (i = 0; i < 100; i++) {
if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
break;
udelay(10);
}
}
static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
{
u32 value = ~0x00;
unsigned int i;
RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
for (i = 0; i < 100; i++) {
if (RTL_R32(CSIAR) & CSIAR_FLAG) {
value = RTL_R32(CSIDR);
break;
}
udelay(10);
}
return value;
}
static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
{
RTL_W16(IntrMask, 0x0000);
@ -2114,6 +2185,31 @@ static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
}
}
static void rtl_csi_access_enable(void __iomem *ioaddr)
{
u32 csi;
csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
}
struct ephy_info {
unsigned int offset;
u16 mask;
u16 bits;
};
static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len)
{
u16 w;
while (len-- > 0) {
w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
rtl_ephy_write(ioaddr, e->offset, w);
e++;
}
}
static void rtl_hw_start_8168(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);