diff options
Diffstat (limited to 'src/southbridge/amd/sb700/sata.c')
| -rw-r--r-- | src/southbridge/amd/sb700/sata.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/sata.c b/src/southbridge/amd/sb700/sata.c index 72c1de8ae8..fdf32c780e 100644 --- a/src/southbridge/amd/sb700/sata.c +++ b/src/southbridge/amd/sb700/sata.c @@ -74,6 +74,23 @@ void __attribute__((weak)) sb7xx_51xx_setup_sata_phys(struct device *dev) pci_write_config16(dev, 0xaa, 0xA07A); } +/* This function can be overloaded in mainboard.c */ +void __attribute__((weak)) sb7xx_51xx_setup_sata_port_indication(void *sata_bar5) +{ + uint32_t dword; + + /* RPR7.9 Program Port Indication Registers */ + dword = read32(sata_bar5 + 0xf8); + dword &= ~(0x3f << 12); /* Ports 0 and 1 are eSATA */ + dword |= (0x3 << 12); + dword &= ~0x3f; + write32(sata_bar5 + 0xf8, dword); + + dword = read32(sata_bar5 + 0xfc); + dword |= 0x1 << 20; /* At least one eSATA port is present */ + write32(sata_bar5 + 0xfc, dword); +} + static void sata_init(struct device *dev) { u8 byte; @@ -244,7 +261,9 @@ static void sata_init(struct device *dev) /* Program the watchdog counter to 0x10 */ byte = 0x10; pci_write_config8(dev, 0x46, byte); + sb7xx_51xx_setup_sata_phys(dev); + sb7xx_51xx_setup_sata_port_indication(sata_bar5); /* Enable the I/O, MM, BusMaster access for SATA */ byte = pci_read_config8(dev, 0x4); |