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Commit 133ac40a authored by Hayes Wang's avatar Hayes Wang Committed by Francois Romieu
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r8169: add ERI functions.



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

Signed-off-by: default avatarHayes Wang <hayeswang@realtek.com>
Acked-by: default avatarFrancois Romieu <romieu@fr.zoreil.com>
parent 92fc43b4
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+43 −0
Original line number Diff line number Diff line
@@ -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;