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r8169: add ERI functions. 

Add the ERI functions which would be used by the new chips.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
This commit is contained in:
Hayes Wang 2011-07-06 15:58:05 +08:00 committed by Francois Romieu
parent 92fc43b415
commit 133ac40ac2
1 changed files with 43 additions and 0 deletions
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43
drivers/net/r8169.c
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@ -1046,6 +1046,49 @@ static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
return value;
}
static
void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
{
unsigned int i;
BUG_ON((addr & 3) || (mask == 0));
RTL_W32(ERIDR, val);
RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
for (i = 0; i < 100; i++) {
if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
break;
udelay(100);
}
}
static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
{
u32 value = ~0x00;
unsigned int i;
RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
for (i = 0; i < 100; i++) {
if (RTL_R32(ERIAR) & ERIAR_FLAG) {
value = RTL_R32(ERIDR);
break;
}
udelay(100);
}
return value;
}
static void
rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
{
u32 val;
val = rtl_eri_read(ioaddr, addr, type);
rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
}
static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
{
u8 value = 0xff;