The pcnet driver uses the pci_phys_to_mem function to get the memory address of the DMA buffers. This This assumes an 1:1 mapping between the PCI and physical memory which is not true on all platforms.
On MIPS platform U-Boot is running within a mapped memory region, and the pci_phys_to_mem macro can't be used to obtain the memory address of the buffers.
Signed-off-by: Gabor Juhos juhosg@openwrt.org Cc: Daniel Schwierzeck daniel.schwierzeck@googlemail.com --- Changes since v2: - rebased against the master branch of git.denx.de/u-boot.git
Changes since v1: - rebased against mips/testing
Changes since RFC: ---
--- Note:
This is only tested with the qemu-malta target. The change might break real platforms, however I have no suitable board to test it.
-Gabor --- drivers/net/pcnet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c index c028a44..45a66fb 100644 --- a/drivers/net/pcnet.c +++ b/drivers/net/pcnet.c @@ -146,7 +146,7 @@ static int pcnet_recv (struct eth_device *dev); static void pcnet_halt (struct eth_device *dev); static int pcnet_probe (struct eth_device *dev, bd_t * bis, int dev_num);
-#define PCI_TO_MEM(d,a) pci_phys_to_mem((pci_dev_t)d->priv, (u_long)(a)) +#define PCI_TO_MEM(d, a) pci_virt_to_mem((pci_dev_t)d->priv, (a)) #define PCI_TO_MEM_LE(d,a) (u32)(cpu_to_le32(PCI_TO_MEM(d,a)))
static struct pci_device_id supported[] = {