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r8169: magic. 

Adapted from version 8.019.00 of Realtek's r8168 driver.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
françois romieu 2011-01-03 15:08:21 +00:00 committed by David S. Miller
parent 065c27c184
commit b646d90053
1 changed files with 93 additions and 0 deletions
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93
drivers/net/r8169.c
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@ -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);