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 --- drivers/net/rtl8169.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c index b441ec4..4eee97f 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); }