diff options
Diffstat (limited to 'src/southbridge/nvidia/ck804/ck804_ide.c')
| -rw-r--r-- | src/southbridge/nvidia/ck804/ck804_ide.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_ide.c b/src/southbridge/nvidia/ck804/ck804_ide.c index 3e2d64c649..df4659c228 100644 --- a/src/southbridge/nvidia/ck804/ck804_ide.c +++ b/src/southbridge/nvidia/ck804/ck804_ide.c @@ -13,61 +13,61 @@ static void ide_init(struct device *dev) { struct southbridge_nvidia_ck804_config *conf; - /* Enable ide devices so the linux ide driver will work */ uint32_t dword; uint16_t word; uint8_t byte; + conf = dev->chip_info; word = pci_read_config16(dev, 0x50); - /* Ensure prefetch is disabled */ + /* Ensure prefetch is disabled. */ word &= ~((1 << 15) | (1 << 13)); if (conf->ide1_enable) { - /* Enable secondary ide interface */ - word |= (1<<0); + /* Enable secondary IDE interface. */ + word |= (1 << 0); printk_debug("IDE1 \t"); } if (conf->ide0_enable) { - /* Enable primary ide interface */ - word |= (1<<1); + /* Enable primary IDE interface. */ + word |= (1 << 1); printk_debug("IDE0\n"); } - word |= (1<<12); - word |= (1<<14); + word |= (1 << 12); + word |= (1 << 14); pci_write_config16(dev, 0x50, word); - - byte = 0x20 ; // Latency: 64-->32 + byte = 0x20; /* Latency: 64 --> 32 */ pci_write_config8(dev, 0xd, byte); dword = pci_read_config32(dev, 0xf8); dword |= 12; pci_write_config32(dev, 0xf8, dword); + #if CONFIG_PCI_ROM_RUN == 1 pci_dev_init(dev); #endif - } static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) { pci_write_config32(dev, 0x40, - ((device & 0xffff) << 16) | (vendor & 0xffff)); + ((device & 0xffff) << 16) | (vendor & 0xffff)); } + static struct pci_operations lops_pci = { .set_subsystem = lpci_set_subsystem, }; -static struct device_operations ide_ops = { +static struct device_operations ide_ops = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, - .init = ide_init, - .scan_bus = 0, -// .enable = ck804_enable, - .ops_pci = &lops_pci, + .init = ide_init, + .scan_bus = 0, + // .enable = ck804_enable, + .ops_pci = &lops_pci, }; static const struct pci_driver ide_driver __pci_driver = { @@ -75,4 +75,3 @@ static const struct pci_driver ide_driver __pci_driver = { .vendor = PCI_VENDOR_ID_NVIDIA, .device = PCI_DEVICE_ID_NVIDIA_CK804_IDE, }; - |