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Commit b646d900 authored by françois romieu's avatar françois romieu Committed by David S. Miller
Browse files

r8169: magic. 



Adapted from version 8.019.00 of Realtek's r8168 driver.

Signed-off-by: default avatarFrancois Romieu <romieu@fr.zoreil.com>
Cc: Hayes <hayeswang@realtek.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 065c27c1

drivers/net/r8169.c

+93 −0
Original line number Diff line number Diff line
@@ -278,6 +278,18 @@ enum rtl8168_8101_registers { 
};



enum rtl8168_registers {

	ERIDR			= 0x70,

	ERIAR			= 0x74,

#define ERIAR_FLAG			0x80000000

#define ERIAR_WRITE_CMD			0x80000000

#define ERIAR_READ_CMD			0x00000000

#define ERIAR_ADDR_BYTE_ALIGN		4

#define ERIAR_EXGMAC			0

#define ERIAR_MSIX			1

#define ERIAR_ASF			2

#define ERIAR_TYPE_SHIFT		16

#define ERIAR_BYTEEN			0x0f

#define ERIAR_BYTEEN_SHIFT		12

	EPHY_RXER_NUM		= 0x7c,

	OCPDR			= 0xb0,	/* OCP GPHY access */

#define OCPDR_WRITE_CMD			0x80000000
@@ -572,6 +584,81 @@ static int rtl8169_poll(struct napi_struct *napi, int budget); 
static const unsigned int rtl8169_rx_config =

	(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);



static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)

{

	void __iomem *ioaddr = tp->mmio_addr;

	int i;



	RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));

	for (i = 0; i < 20; i++) {

		udelay(100);

		if (RTL_R32(OCPAR) & OCPAR_FLAG)

			break;

	}

	return RTL_R32(OCPDR);

}



static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)

{

	void __iomem *ioaddr = tp->mmio_addr;

	int i;



	RTL_W32(OCPDR, data);

	RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));

	for (i = 0; i < 20; i++) {

		udelay(100);

		if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)

			break;

	}

}



static void rtl8168_oob_notify(void __iomem *ioaddr, u8 cmd)

{

	int i;



	RTL_W8(ERIDR, cmd);

	RTL_W32(ERIAR, 0x800010e8);

	msleep(2);

	for (i = 0; i < 5; i++) {

		udelay(100);

		if (!(RTL_R32(ERIDR) & ERIAR_FLAG))

			break;

	}



	ocp_write(ioaddr, 0x1, 0x30, 0x00000001);

}



#define OOB_CMD_RESET		0x00

#define OOB_CMD_DRIVER_START	0x05

#define OOB_CMD_DRIVER_STOP	0x06



static void rtl8168_driver_start(struct rtl8169_private *tp)

{

	int i;



	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);



	for (i = 0; i < 10; i++) {

		msleep(10);

		if (ocp_read(tp, 0x0f, 0x0010) & 0x00000800)

			break;

	}

}



static void rtl8168_driver_stop(struct rtl8169_private *tp)

{

	int i;



	rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);



	for (i = 0; i < 10; i++) {

		msleep(10);

		if ((ocp_read(tp, 0x0f, 0x0010) & 0x00000800) == 0)

			break;

	}

}





static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)

{

	int i;
@@ -2913,6 +3000,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 
		   dev->base_addr, dev->dev_addr,

		   (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);



	if (tp->mac_version == RTL_GIGA_MAC_VER_27)

		rtl8168_driver_start(tp);



	rtl8169_init_phy(dev, tp);



	/*
@@ -2948,6 +3038,9 @@ static void __devexit rtl8169_remove_one(struct pci_dev *pdev) 
	struct net_device *dev = pci_get_drvdata(pdev);

	struct rtl8169_private *tp = netdev_priv(dev);



	if (tp->mac_version == RTL_GIGA_MAC_VER_27)

		rtl8168_driver_stop(tp);



	cancel_delayed_work_sync(&tp->task);



	unregister_netdev(dev);