rtl8169: fix PCI system memory address

When PCI device use system memory, some PCI host controller should be
set physical memory address.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c
index 83a05b45b9e5b19b47b1a4dd9acf33287a728fec..e45d1a52212d5739c096dcc1b105d5816666f128 100644 (file)
--- 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);
        }