mirror of https://gitee.com/openkylin/linux.git
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>
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@ -278,6 +278,18 @@ enum rtl8168_8101_registers {
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};
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enum rtl8168_registers {
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ERIDR = 0x70,
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ERIAR = 0x74,
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#define ERIAR_FLAG 0x80000000
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#define ERIAR_WRITE_CMD 0x80000000
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#define ERIAR_READ_CMD 0x00000000
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#define ERIAR_ADDR_BYTE_ALIGN 4
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#define ERIAR_EXGMAC 0
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#define ERIAR_MSIX 1
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#define ERIAR_ASF 2
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#define ERIAR_TYPE_SHIFT 16
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#define ERIAR_BYTEEN 0x0f
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#define ERIAR_BYTEEN_SHIFT 12
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EPHY_RXER_NUM = 0x7c,
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OCPDR = 0xb0, /* OCP GPHY access */
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#define OCPDR_WRITE_CMD 0x80000000
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@ -572,6 +584,81 @@ static int rtl8169_poll(struct napi_struct *napi, int budget);
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static const unsigned int rtl8169_rx_config =
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(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
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static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
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{
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void __iomem *ioaddr = tp->mmio_addr;
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int i;
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RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
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for (i = 0; i < 20; i++) {
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udelay(100);
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if (RTL_R32(OCPAR) & OCPAR_FLAG)
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break;
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}
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return RTL_R32(OCPDR);
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}
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static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
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{
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void __iomem *ioaddr = tp->mmio_addr;
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int i;
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RTL_W32(OCPDR, data);
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RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
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for (i = 0; i < 20; i++) {
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udelay(100);
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if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
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break;
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}
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}
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static void rtl8168_oob_notify(void __iomem *ioaddr, u8 cmd)
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{
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int i;
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RTL_W8(ERIDR, cmd);
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RTL_W32(ERIAR, 0x800010e8);
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msleep(2);
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for (i = 0; i < 5; i++) {
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udelay(100);
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if (!(RTL_R32(ERIDR) & ERIAR_FLAG))
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break;
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}
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ocp_write(ioaddr, 0x1, 0x30, 0x00000001);
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}
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#define OOB_CMD_RESET 0x00
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#define OOB_CMD_DRIVER_START 0x05
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#define OOB_CMD_DRIVER_STOP 0x06
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static void rtl8168_driver_start(struct rtl8169_private *tp)
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{
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int i;
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rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
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for (i = 0; i < 10; i++) {
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msleep(10);
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if (ocp_read(tp, 0x0f, 0x0010) & 0x00000800)
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break;
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}
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}
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static void rtl8168_driver_stop(struct rtl8169_private *tp)
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{
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int i;
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rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
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for (i = 0; i < 10; i++) {
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msleep(10);
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if ((ocp_read(tp, 0x0f, 0x0010) & 0x00000800) == 0)
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break;
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}
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}
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static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
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{
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int i;
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@ -2913,6 +3000,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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dev->base_addr, dev->dev_addr,
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(u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
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if (tp->mac_version == RTL_GIGA_MAC_VER_27)
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rtl8168_driver_start(tp);
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rtl8169_init_phy(dev, tp);
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/*
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@ -2948,6 +3038,9 @@ static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
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struct net_device *dev = pci_get_drvdata(pdev);
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struct rtl8169_private *tp = netdev_priv(dev);
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if (tp->mac_version == RTL_GIGA_MAC_VER_27)
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rtl8168_driver_stop(tp);
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cancel_delayed_work_sync(&tp->task);
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unregister_netdev(dev);
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