[PATCH net-next v2 1/7] r8169: adjust some registers

From: Hayes Wang
Date: Wed Jul 06 2011 - 03:59:58 EST


Define new registers and modify some existing ones.

Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
---
drivers/net/r8169.c | 43 +++++++++++++++++++++++++++----------------
1 files changed, 27 insertions(+), 16 deletions(-)

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index fbd6838..a8de449 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -70,8 +70,6 @@ static const int multicast_filter_limit = 32;
#define MAC_ADDR_LEN 6

#define MAX_READ_REQUEST_SHIFT 12
-#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
-#define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
#define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
#define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
@@ -270,9 +268,20 @@ enum rtl_registers {
TxPoll = 0x38,
IntrMask = 0x3c,
IntrStatus = 0x3e,
+
TxConfig = 0x40,
- RxConfig = 0x44,
+#define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
+#define TXCFG_EMPTY (1 << 11) /* 8111e-vl */

+ RxConfig = 0x44,
+#define RX128_INT_EN (1 << 15) /* 8111c and later */
+#define RX_MULTI_EN (1 << 14) /* 8111c only */
+#define RXCFG_FIFO_SHIFT 13
+ /* No threshold before first PCI xfer. */
+#define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
+#define RXCFG_DMA_SHIFT 8
+ /* Unlimited maximum PCI burst. */
+#define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
#define RTL_RX_CONFIG_MASK 0xff7e1880u

RxMissed = 0x4c,
@@ -327,12 +336,13 @@ enum rtl8168_8101_registers {
#define EPHYAR_REG_SHIFT 16
#define EPHYAR_DATA_MASK 0xffff
DLLPR = 0xd0,
-#define PM_SWITCH (1 << 6)
+#define PFM_EN (1 << 6)
DBG_REG = 0xd1,
#define FIX_NAK_1 (1 << 4)
#define FIX_NAK_2 (1 << 3)
TWSI = 0xd2,
MCU = 0xd3,
+#define NOW_IS_OOB (1 << 7)
#define EN_NDP (1 << 3)
#define EN_OOB_RESET (1 << 2)
EFUSEAR = 0xdc,
@@ -345,18 +355,22 @@ enum rtl8168_8101_registers {
};

enum rtl8168_registers {
+ LED_FREQ = 0x1a,
+ EEE_LED = 0x1b,
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
+#define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
+#define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
+#define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
+#define ERIAR_MASK_SHIFT 12
+#define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
+#define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
+#define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
EPHY_RXER_NUM = 0x7c,
OCPDR = 0xb0, /* OCP GPHY access */
#define OCPDR_WRITE_CMD 0x80000000
@@ -371,6 +385,7 @@ enum rtl8168_registers {
RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
MISC = 0xf0, /* 8168e only. */
#define TXPLA_RST (1 << 29)
+#define PWM_EN (1 << 22)
};

enum rtl_register_content {
@@ -395,6 +410,7 @@ enum rtl_register_content {
RxCRC = (1 << 19),

/* ChipCmdBits */
+ StopReq = 0x80,
CmdReset = 0x10,
CmdRxEnb = 0x08,
CmdTxEnb = 0x04,
@@ -417,10 +433,6 @@ enum rtl_register_content {
AcceptMyPhys = 0x02,
AcceptAllPhys = 0x01,

- /* RxConfigBits */
- RxCfgFIFOShift = 13,
- RxCfgDMAShift = 8,
-
/* TxConfigBits */
TxInterFrameGapShift = 24,
TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
@@ -712,8 +724,7 @@ static void rtl8169_down(struct net_device *dev);
static void rtl8169_rx_clear(struct rtl8169_private *tp);
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 const unsigned int rtl8169_rx_config = RX_FIFO_THRESH | RX_DMA_BURST;

static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
{
@@ -4368,7 +4379,7 @@ static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);

RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
- RTL_W8(DLLPR, RTL_R8(DLLPR) | PM_SWITCH);
+ RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);

rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
}
--
1.7.3.2

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