Commit 133ac40a authored by Hayes Wang's avatar Hayes Wang Committed by Francois Romieu
Browse files

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

drivers/net/r8169.c

+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;