diff options
| author | Florian Zumbiehl <florz@florz.de> | 2011-11-01 20:19:04 +0100 |
|---|---|---|
| committer | Rudolf Marek <r.marek@assembler.cz> | 2011-11-24 00:12:41 +0100 |
| commit | 912d8919d4496379469cd898391ca08f1a90c225 (patch) | |
| tree | 93eca616646769c8b9da12661b54b86a32781e9e /src/southbridge/via/vt8237r/lpc.c | |
| parent | fa48b969086216341f77738df4b912859010fcf6 (diff) | |
vt8237: add support for setting the power state after loss of power
Change-Id: Ia7e3e77235530e952b2e84fdec8373b90fa59b7a
Signed-off-by: Florian Zumbiehl <florz@florz.de>
Reviewed-on: http://review.coreboot.org/437
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
Diffstat (limited to 'src/southbridge/via/vt8237r/lpc.c')
| -rw-r--r-- | src/southbridge/via/vt8237r/lpc.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8237r/lpc.c b/src/southbridge/via/vt8237r/lpc.c index b1e1afe9c2..207dfdb335 100644 --- a/src/southbridge/via/vt8237r/lpc.c +++ b/src/southbridge/via/vt8237r/lpc.c @@ -421,6 +421,9 @@ static void vt8237s_init(struct device *dev) static void vt8237_common_init(struct device *dev) { u8 enables, byte; +#if !CONFIG_EPIA_VT8237R_INIT + unsigned char pwr_on; +#endif /* Enable addr/data stepping. */ byte = pci_read_config8(dev, PCI_COMMAND); @@ -508,6 +511,15 @@ static void vt8237_common_init(struct device *dev) */ pci_write_config8(dev, 0x5b, 0xb); + /* configure power state of the board after loss of power */ + if (get_option(&pwr_on, "power_on_after_fail") < 0) + pwr_on = 1; + enables = pci_read_config8(dev, 0x58); + pci_write_config8(dev, 0x58, enables & ~0x02); + outb(0x0d, 0x70); + outb(pwr_on ? 0x00 : 0x80, 0x71); + pci_write_config8(dev, 0x58, enables); + /* Set 0x58 to 0x43 APIC and RTC. */ pci_write_config8(dev, 0x58, 0x43); |