diff options
Diffstat (limited to 'src/southbridge/amd/amd8111/amd8111_ide.c')
| -rw-r--r-- | src/southbridge/amd/amd8111/amd8111_ide.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/src/southbridge/amd/amd8111/amd8111_ide.c b/src/southbridge/amd/amd8111/amd8111_ide.c index 6f8e018fe6..a92274695d 100644 --- a/src/southbridge/amd/amd8111/amd8111_ide.c +++ b/src/southbridge/amd/amd8111/amd8111_ide.c @@ -10,6 +10,7 @@ static void ide_init(struct device *dev) /* Enable ide devices so the linux ide driver will work */ uint16_t word; + uint8_t byte; int enable_a=1, enable_b=1; word = pci_read_config16(dev, 0x40); @@ -31,21 +32,12 @@ static void ide_init(struct device *dev) pci_write_config16(dev, 0x40, word); - word = 0x0f; - pci_write_config16(dev, 0x42, word); - /* The AMD768 has a bug where the BM DMA address must be - * 256 byte aligned while it is only 16 bytes long. - * Hard code this to a valid address below 0x1000 - * where automatic port address assignment starts. - * FIXME: I assume the 8111 does the same thing. We should - * clarify. stepan@suse.de - */ - pci_write_config32(dev, 0x20, 0xf01); + byte = 0x20 ; // Latency: 64-->32 + pci_write_config8(dev, 0xd, byte); - pci_write_config32(dev, 0x48, 0x205e5e5e); - word = 0x06a; - pci_write_config16(dev, 0x4c, word); + word = 0x0f; + pci_write_config16(dev, 0x42, word); } static struct device_operations ide_ops = { |