[PATCH net-next 3/5] r8169: support RTL8402

From: Hayes Wang
Date: Tue Mar 27 2012 - 03:58:18 EST


Support the new chip RTL8402.

Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/ethernet/realtek/r8169.c | 119 +++++++++++++++++++++++++++++++++-
1 files changed, 118 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 35b1fea..ecf8042 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -45,6 +45,7 @@
#define FIRMWARE_8168F_1 "rtl_nic/rtl8168f-1.fw"
#define FIRMWARE_8168F_2 "rtl_nic/rtl8168f-2.fw"
#define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
+#define FIRMWARE_8402_1 "rtl_nic/rtl8402-1.fw"

#ifdef RTL8169_DEBUG
#define assert(expr) \
@@ -134,6 +135,7 @@ enum mac_version {
RTL_GIGA_MAC_VER_34,
RTL_GIGA_MAC_VER_35,
RTL_GIGA_MAC_VER_36,
+ RTL_GIGA_MAC_VER_37,
RTL_GIGA_MAC_NONE = 0xff,
};

@@ -246,6 +248,9 @@ static const struct {
[RTL_GIGA_MAC_VER_36] =
_R("RTL8168f/8111f", RTL_TD_1, FIRMWARE_8168F_2,
JUMBO_9K, false),
+ [RTL_GIGA_MAC_VER_37] =
+ _R("RTL8402", RTL_TD_1, FIRMWARE_8402_1,
+ JUMBO_1K, true)
};
#undef _R

@@ -777,6 +782,7 @@ MODULE_FIRMWARE(FIRMWARE_8168E_3);
MODULE_FIRMWARE(FIRMWARE_8105E_1);
MODULE_FIRMWARE(FIRMWARE_8168F_1);
MODULE_FIRMWARE(FIRMWARE_8168F_2);
+MODULE_FIRMWARE(FIRMWARE_8402_1);

static void rtl_lock_work(struct rtl8169_private *tp)
{
@@ -1291,6 +1297,16 @@ static void rtl_link_chg_patch(struct rtl8169_private *tp)
rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
0x0000003f, ERIAR_EXGMAC);
}
+ } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
+ if (RTL_R8(PHYstatus) & _10bps) {
+ rtl_eri_write(ioaddr, 0x1d0, ERIAR_MASK_0011,
+ 0x4d02, ERIAR_EXGMAC);
+ rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_0011,
+ 0x0060, ERIAR_EXGMAC);
+ } else {
+ rtl_eri_write(ioaddr, 0x1d0, ERIAR_MASK_0011,
+ 0x0000, ERIAR_EXGMAC);
+ }
}
}

@@ -1888,6 +1904,7 @@ static void rtl8169_get_mac_version(struct rtl8169_private *tp,
{ 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },

/* 8101 family. */
+ { 0x7c800000, 0x44000000, RTL_GIGA_MAC_VER_37 },
{ 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
{ 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
{ 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
@@ -3122,6 +3139,25 @@ static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}

+static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
+{
+ void __iomem *ioaddr = tp->mmio_addr;
+
+ /* Disable ALDPS before setting firmware */
+ rtl_writephy(tp, 0x1f, 0x0000);
+ rtl_writephy(tp, 0x18, 0x0310);
+ msleep(20);
+
+ rtl_apply_firmware(tp);
+
+ /* EEE setting */
+ rtl_eri_write(ioaddr, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
+ rtl_writephy(tp, 0x1f, 0x0004);
+ rtl_writephy(tp, 0x10, 0x401f);
+ rtl_writephy(tp, 0x19, 0x7030);
+ rtl_writephy(tp, 0x1f, 0x0000);
+}
+
static void rtl_hw_phy_config(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
@@ -3210,6 +3246,10 @@ static void rtl_hw_phy_config(struct net_device *dev)
rtl8168f_2_hw_phy_config(tp);
break;

+ case RTL_GIGA_MAC_VER_37:
+ rtl8402_hw_phy_config(tp);
+ break;
+
default:
break;
}
@@ -3447,6 +3487,7 @@ static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_32:
case RTL_GIGA_MAC_VER_33:
case RTL_GIGA_MAC_VER_34:
+ case RTL_GIGA_MAC_VER_37:
RTL_W32(RxConfig, RTL_R32(RxConfig) |
AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
break;
@@ -3668,6 +3709,7 @@ static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_16:
case RTL_GIGA_MAC_VER_29:
case RTL_GIGA_MAC_VER_30:
+ case RTL_GIGA_MAC_VER_37:
ops->down = r810x_pll_power_down;
ops->up = r810x_pll_power_up;
break;
@@ -3977,7 +4019,8 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp)
udelay(20);
} else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
tp->mac_version == RTL_GIGA_MAC_VER_35 ||
- tp->mac_version == RTL_GIGA_MAC_VER_36) {
+ tp->mac_version == RTL_GIGA_MAC_VER_36 ||
+ tp->mac_version == RTL_GIGA_MAC_VER_37) {
RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
udelay(100);
@@ -4245,11 +4288,51 @@ static u32 r8169_csi_read(void __iomem *ioaddr, int addr)
return value;
}

+static void r8402_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 |
+ CSIAR_FUNC_NIC);
+
+ for (i = 0; i < 100; i++) {
+ if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
+ break;
+ udelay(10);
+ }
+}
+
+static u32 r8402_csi_read(void __iomem *ioaddr, int addr)
+{
+ u32 value = ~0x00;
+ unsigned int i;
+
+ RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
+ 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 __devinit rtl_init_csi_ops(struct rtl8169_private *tp)
{
struct csi_ops *ops = &tp->csi_ops;

switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_37:
+ ops->write = r8402_csi_write;
+ ops->read = r8402_csi_read;
+ break;
+
default:
ops->write = r8169_csi_write;
ops->read = r8169_csi_read;
@@ -4835,6 +4918,36 @@ static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
}

+static void rtl_hw_start_8402(struct rtl8169_private *tp)
+{
+ void __iomem *ioaddr = tp->mmio_addr;
+ static const struct ephy_info e_info_8402[] = {
+ { 0x19, 0xffff, 0xff64 },
+ { 0x1e, 0, 0x4000 }
+ };
+
+ rtl_csi_access_enable_2(tp);
+
+ /* Force LAN exit from ASPM if Rx/Tx are not idle */
+ RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
+
+ RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
+ RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
+
+ rtl_ephy_init(ioaddr, e_info_8402, ARRAY_SIZE(e_info_8402));
+
+ rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
+ rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
+ rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
+ rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
+ rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
+ rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
+ rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00,
+ ERIAR_EXGMAC);
+}
+
static void rtl_hw_start_8101(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
@@ -4875,6 +4988,10 @@ static void rtl_hw_start_8101(struct net_device *dev)
case RTL_GIGA_MAC_VER_30:
rtl_hw_start_8105e_2(tp);
break;
+
+ case RTL_GIGA_MAC_VER_37:
+ rtl_hw_start_8402(tp);
+ break;
}

RTL_W8(Cfg9346, Cfg9346_Lock);
--
1.7.7.6

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