X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Frtl8169.c;h=b81dcad2ce5f92c9454732c5d0089ff0974dc1e4;hb=eb51f63c0291704350ce39c4f9074097ffc91a5b;hp=83a05b45b9e5b19b47b1a4dd9acf33287a728fec;hpb=d4c02e6f5d49880123e7f584b88f857ffd874381;p=u-boot

diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
index 83a05b45b9..b81dcad2ce 100644
--- a/drivers/net/rtl8169.c
+++ b/drivers/net/rtl8169.c
@@ -110,6 +110,9 @@ static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 };
 #define ETH_ALEN	MAC_ADDR_LEN
 #define ETH_ZLEN	60
 
+#define bus_to_phys(a)	pci_mem_to_phys((pci_dev_t)dev->priv, (pci_addr_t)a)
+#define phys_to_bus(a)	pci_phys_to_mem((pci_dev_t)dev->priv, (phys_addr_t)a)
+
 enum RTL8169_registers {
 	MAC0 = 0,		/* Ethernet hardware address. */
 	MAR0 = 8,		/* Multicast filter. */
@@ -438,7 +441,7 @@ static int rtl_recv(struct eth_device *dev)
 				tpc->RxDescArray[cur_rx].status =
 					cpu_to_le32(OWNbit + RX_BUF_SIZE);
 			tpc->RxDescArray[cur_rx].buf_addr =
-				cpu_to_le32((unsigned long)tpc->RxBufferRing[cur_rx]);
+				cpu_to_le32(bus_to_phys(tpc->RxBufferRing[cur_rx]));
 			flush_cache((unsigned long)tpc->RxBufferRing[cur_rx],
 					RX_BUF_SIZE);
 		} else {
@@ -488,7 +491,7 @@ static int rtl_send(struct eth_device *dev, volatile void *packet, int length)
 		ptxb[len++] = '\0';
 
 	tpc->TxDescArray[entry].buf_Haddr = 0;
-	tpc->TxDescArray[entry].buf_addr = cpu_to_le32((unsigned long)ptxb);
+	tpc->TxDescArray[entry].buf_addr = cpu_to_le32(bus_to_phys(ptxb));
 	if (entry != (NUM_TX_DESC - 1)) {
 		tpc->TxDescArray[entry].status =
 			cpu_to_le32((OWNbit | FSbit | LSbit) |
@@ -593,9 +596,9 @@ static void rtl8169_hw_start(struct eth_device *dev)
 
 	tpc->cur_rx = 0;
 
-	RTL_W32(TxDescStartAddrLow, (unsigned long)tpc->TxDescArray);
+	RTL_W32(TxDescStartAddrLow, bus_to_phys(tpc->TxDescArray));
 	RTL_W32(TxDescStartAddrHigh, (unsigned long)0);
-	RTL_W32(RxDescStartAddrLow, (unsigned long)tpc->RxDescArray);
+	RTL_W32(RxDescStartAddrLow, bus_to_phys(tpc->RxDescArray));
 	RTL_W32(RxDescStartAddrHigh, (unsigned long)0);
 
 	/* RTL-8169sc/8110sc or later version */
@@ -646,7 +649,7 @@ static void rtl8169_init_ring(struct eth_device *dev)
 
 		tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE];
 		tpc->RxDescArray[i].buf_addr =
-			cpu_to_le32((unsigned long)tpc->RxBufferRing[i]);
+			cpu_to_le32(bus_to_phys(tpc->RxBufferRing[i]));
 		flush_cache((unsigned long)tpc->RxBufferRing[i], RX_BUF_SIZE);
 	}
 
@@ -891,7 +894,12 @@ int rtl8169_initialize(bd_t *bis)
 		debug ("rtl8169: REALTEK RTL8169 @0x%x\n", iobase);
 
 		dev = (struct eth_device *)malloc(sizeof *dev);
+		if (!dev) {
+			printf("Can not allocate memory of rtl8169\n");
+			break;
+		}
 
+		memset(dev, 0, sizeof(*dev));
 		sprintf (dev->name, "RTL8169#%d", card_number);
 
 		dev->priv = (void *) devno;