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| author | Rudolf Marek <r.marek@assembler.cz> | 2010-09-22 22:46:47 +0000 |
|---|---|---|
| committer | Rudolf Marek <r.marek@assembler.cz> | 2010-09-22 22:46:47 +0000 |
| commit | 7df50a8b0ead14610134e57b05a81340febd8db8 (patch) | |
| tree | 65d43878463989a88c8383543f387679c8782c06 /src/southbridge/amd | |
| parent | 138cdbb17b9ae8543a65a6b61ab6daac5c6ef7f7 (diff) | |
| download | coreboot-7df50a8b0ead14610134e57b05a81340febd8db8.tar.xz | |
Here is a proposed way how to handle the SATA PHY settings on SB700. It
consits of weak function which always exists (with defaults) and a possibility to
override this with normal function in main.c. This is the other way of
doing that and not using the devictree.cb.
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5825 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/amd')
| -rw-r--r-- | src/southbridge/amd/sb700/sb700.h | 5 | ||||
| -rw-r--r-- | src/southbridge/amd/sb700/sb700_sata.c | 45 |
2 files changed, 29 insertions, 21 deletions
diff --git a/src/southbridge/amd/sb700/sb700.h b/src/southbridge/amd/sb700/sb700.h index bf7b297518..d4107a942e 100644 --- a/src/southbridge/amd/sb700/sb700.h +++ b/src/southbridge/amd/sb700/sb700.h @@ -52,6 +52,11 @@ void sb700_enable(device_t dev); #ifdef __PRE_RAM__ void sb700_lpc_port80(void); void sb700_pci_port80(void); +#else +#include <device/pci.h> +/* allow override in mainboard.c */ +void sb700_setup_sata_phys(struct device *dev); + #endif #endif /* SB700_H */ diff --git a/src/southbridge/amd/sb700/sb700_sata.c b/src/southbridge/amd/sb700/sb700_sata.c index 2ac0118b7b..5c72a98a76 100644 --- a/src/southbridge/amd/sb700/sb700_sata.c +++ b/src/southbridge/amd/sb700/sb700_sata.c @@ -53,6 +53,29 @@ static int sata_drive_detect(int portnum, u16 iobar) return 0; } + /* This function can be overloaded in mainboard.c */ + +void __attribute__((weak)) sb700_setup_sata_phys(struct device *dev) { + /* RPR7.6.1 Program the PHY Global Control to 0x2C00 */ + pci_write_config16(dev, 0x86, 0x2c00); + + /* RPR7.6.2 SATA GENI PHY ports setting */ + pci_write_config32(dev, 0x88, 0x01B48017); + pci_write_config32(dev, 0x8c, 0x01B48019); + pci_write_config32(dev, 0x90, 0x01B48016); + pci_write_config32(dev, 0x94, 0x01B48016); + pci_write_config32(dev, 0x98, 0x01B48016); + pci_write_config32(dev, 0x9C, 0x01B48016); + + /* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */ + pci_write_config16(dev, 0xA0, 0xA09A); + pci_write_config16(dev, 0xA2, 0xA09F); + pci_write_config16(dev, 0xA4, 0xA07A); + pci_write_config16(dev, 0xA6, 0xA07A); + pci_write_config16(dev, 0xA8, 0xA07A); + pci_write_config16(dev, 0xAA, 0xA07A); +} + static void sata_init(struct device *dev) { u8 byte; @@ -161,27 +184,7 @@ static void sata_init(struct device *dev) /* Program the watchdog counter to 0x10 */ byte = 0x10; pci_write_config8(dev, 0x46, byte); - - /* RPR7.6.1 Program the PHY Global Control to 0x2C00 */ - word = 0x2c00; - pci_write_config16(dev, 0x86, word); - - /* RPR7.6.2 SATA GENI PHY ports setting */ - pci_write_config32(dev, 0x88, 0x01B48017); - pci_write_config32(dev, 0x8c, 0x01B48019); - pci_write_config32(dev, 0x90, 0x01B48016); - pci_write_config32(dev, 0x94, 0x01B48016); - pci_write_config32(dev, 0x98, 0x01B48016); - pci_write_config32(dev, 0x9C, 0x01B48016); - - /* RPR7.6.3 SATA GEN II PHY port setting for port [0~5]. */ - pci_write_config16(dev, 0xA0, 0xA09A); - pci_write_config16(dev, 0xA2, 0xA09F); - pci_write_config16(dev, 0xA4, 0xA07A); - pci_write_config16(dev, 0xA6, 0xA07A); - pci_write_config16(dev, 0xA8, 0xA07A); - pci_write_config16(dev, 0xAA, 0xA07A); - + sb700_setup_sata_phys(dev); /* Enable the I/O, MM, BusMaster access for SATA */ byte = pci_read_config8(dev, 0x4); byte |= 7 << 0; |