rtl8169: add support for RTL8110SCL
authorYoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Wed, 9 Jul 2008 12:07:34 +0000 (21:07 +0900)
committerBen Warren <biggerbadderben@gmail.com>
Tue, 19 Aug 2008 06:11:07 +0000 (23:11 -0700)
This patch fixes a problem that RTL8110SCL started transfer
with an incorrect memory address.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
drivers/net/rtl8169.c

index d069afbe227b6f414f662c120713c15f85a21d85..7c00926a6de95afdb3ae9eacf29ed161f3b299e7 100644 (file)
@@ -112,8 +112,10 @@ static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
 enum RTL8169_registers {
        MAC0 = 0,               /* Ethernet hardware address. */
        MAR0 = 8,               /* Multicast filter. */
-       TxDescStartAddr = 0x20,
-       TxHDescStartAddr = 0x28,
+       TxDescStartAddrLow = 0x20,
+       TxDescStartAddrHigh = 0x24,
+       TxHDescStartAddrLow = 0x28,
+       TxHDescStartAddrHigh = 0x2c,
        FLASH = 0x30,
        ERSR = 0x36,
        ChipCmd = 0x37,
@@ -138,7 +140,8 @@ enum RTL8169_registers {
        PHYstatus = 0x6C,
        RxMaxSize = 0xDA,
        CPlusCmd = 0xE0,
-       RxDescStartAddr = 0xE4,
+       RxDescStartAddrLow = 0xE4,
+       RxDescStartAddrHigh = 0xE8,
        EarlyTxThres = 0xEC,
        FuncEvent = 0xF0,
        FuncEventMask = 0xF4,
@@ -478,6 +481,7 @@ static int rtl_send(struct eth_device *dev, volatile void *packet, int length)
        while (len < ETH_ZLEN)
                ptxb[len++] = '\0';
 
+       tpc->TxDescArray[entry].buf_Haddr = 0;
        tpc->TxDescArray[entry].buf_addr = cpu_to_le32((unsigned long)ptxb);
        if (entry != (NUM_TX_DESC - 1)) {
                tpc->TxDescArray[entry].status =
@@ -558,7 +562,11 @@ static void rtl8169_hw_start(struct eth_device *dev)
 #endif
 
        RTL_W8(Cfg9346, Cfg9346_Unlock);
-       RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
+       /* RTL-8169sb/8110sb or previous version */
+       if (tpc->chipset <= 5)
+               RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
        RTL_W8(EarlyTxThres, EarlyTxThld);
 
        /* For gigabit rtl8169 */
@@ -576,8 +584,15 @@ static void rtl8169_hw_start(struct eth_device *dev)
 
        tpc->cur_rx = 0;
 
-       RTL_W32(TxDescStartAddr, (unsigned long)tpc->TxDescArray);
-       RTL_W32(RxDescStartAddr, (unsigned long)tpc->RxDescArray);
+       RTL_W32(TxDescStartAddrLow, (unsigned long)tpc->TxDescArray);
+       RTL_W32(TxDescStartAddrHigh, (unsigned long)0);
+       RTL_W32(RxDescStartAddrLow, (unsigned long)tpc->RxDescArray);
+       RTL_W32(RxDescStartAddrHigh, (unsigned long)0);
+
+       /* RTL-8169sc/8110sc or later version */
+       if (tpc->chipset > 5)
+               RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
        RTL_W8(Cfg9346, Cfg9346_Lock);
        udelay(10);
 
@@ -737,6 +752,7 @@ static int rtl_init(struct eth_device *dev, bd_t *bis)
                bis->bi_enetaddr[i] = dev->enetaddr[i] = RTL_R8(MAC0 + i);
 
 #ifdef DEBUG_RTL8169
+       printf("chipset = %d\n", tpc->chipset);
        printf("MAC Address");
        for (i = 0; i < MAC_ADDR_LEN; i++)
                printf(":%02x", dev->enetaddr[i]);