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Message-ID: <20110102233729.GG5780@electric-eye.fr.zoreil.com>
Date: Mon, 3 Jan 2011 00:37:29 +0100
From: Francois Romieu <romieu@...zoreil.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Hayes Wang <hayeswang@...ltek.com>,
Ben Hutchings <benh@...ian.org>
Subject: [net-next-2.6 06/08] r8169: magic.
Adapted from version 8.019.00 of Realtek's r8168 driver.
Signed-off-by: Francois Romieu <romieu@...zoreil.com>
Cc: Hayes <hayeswang@...ltek.com>
---
drivers/net/r8169.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 93 insertions(+), 0 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index fd7e40a..ab1741d 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -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);
--
1.7.3.4
--
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