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Message-ID: <20080817162929.GF18690@electric-eye.fr.zoreil.com>
Date: Sun, 17 Aug 2008 18:29:29 +0200
From: Francois Romieu <romieu@...zoreil.com>
To: jeff@...zik.org
Cc: netdev@...r.kernel.org, Edward Hsu <edward_hsu@...ltek.com.tw>,
Ivan Vecera <ivecera@...hat.com>
Subject: [PATCH 5/6] r8169: add hw start helpers for the 8168 and the 8101
This commit triggers three 'defined but not used' warnings but
I prefer avoiding to tie these helpers to a specific change in
the hw start sequences of the 8168 or of the 8101.
Signed-off-by: Francois Romieu <romieu@...zoreil.com>
Cc: Edward Hsu <edward_hsu@...ltek.com.tw>
---
drivers/net/r8169.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 96 insertions(+), 0 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 600540e..f4ad9ff 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -526,6 +526,11 @@ static int mdio_read(void __iomem *ioaddr, int reg_addr)
return value;
}
+static void mdio_patch(void __iomem *ioaddr, int reg_addr, int value)
+{
+ mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
+}
+
static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
int val)
{
@@ -543,6 +548,72 @@ static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
return mdio_read(ioaddr, location);
}
+static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
+{
+ unsigned int i;
+
+ RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
+ (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
+
+ for (i = 0; i < 100; i++) {
+ if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
+ break;
+ udelay(10);
+ }
+}
+
+static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
+{
+ u16 value = 0xffff;
+ unsigned int i;
+
+ RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
+
+ for (i = 0; i < 100; i++) {
+ if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
+ value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
+ break;
+ }
+ udelay(10);
+ }
+
+ return value;
+}
+
+static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
+{
+ unsigned int i;
+
+ RTL_W32(CSIDR, value);
+ RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
+ CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
+
+ for (i = 0; i < 100; i++) {
+ if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
+ break;
+ udelay(10);
+ }
+}
+
+static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
+{
+ u32 value = ~0x00;
+ unsigned int i;
+
+ RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
+ CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
+
+ for (i = 0; i < 100; i++) {
+ if (RTL_R32(CSIAR) & CSIAR_FLAG) {
+ value = RTL_R32(CSIDR);
+ break;
+ }
+ udelay(10);
+ }
+
+ return value;
+}
+
static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
{
RTL_W16(IntrMask, 0x0000);
@@ -2114,6 +2185,31 @@ static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
}
}
+static void rtl_csi_access_enable(void __iomem *ioaddr)
+{
+ u32 csi;
+
+ csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
+ rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
+}
+
+struct ephy_info {
+ unsigned int offset;
+ u16 mask;
+ u16 bits;
+};
+
+static void rtl_ephy_init(void __iomem *ioaddr, struct ephy_info *e, int len)
+{
+ u16 w;
+
+ while (len-- > 0) {
+ w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
+ rtl_ephy_write(ioaddr, e->offset, w);
+ e++;
+ }
+}
+
static void rtl_hw_start_8168(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
--
1.5.3.3
--
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