Florian Zumbiehl just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/383
-gerrit
commit 514140a110bb009a5d6398e9214ead97fea35324 Author: Florian Zumbiehl florz@florz.de Date: Tue Nov 1 20:19:04 2011 +0100
add support for setting the vt8237 to uncond. power on after loss of power
Change-Id: Iccc0dcd9f82e525c6c3abcec9f4ed0f2de581e63 Signed-off-by: Florian Zumbiehl florz@florz.de --- src/southbridge/via/vt8237r/Kconfig | 4 ++++ src/southbridge/via/vt8237r/lpc.c | 9 +++++++++ 2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/src/southbridge/via/vt8237r/Kconfig b/src/southbridge/via/vt8237r/Kconfig index d0a6deb..e4f73da 100644 --- a/src/southbridge/via/vt8237r/Kconfig +++ b/src/southbridge/via/vt8237r/Kconfig @@ -31,3 +31,7 @@ config BOOTBLOCK_SOUTHBRIDGE_INIT string default "southbridge/via/vt8237r/bootblock.c" depends on SOUTHBRIDGE_VIA_VT8237R + +config VT8237R_ON_AFTER_POWER_LOSS + bool + diff --git a/src/southbridge/via/vt8237r/lpc.c b/src/southbridge/via/vt8237r/lpc.c index 4b3064a..ad0327a 100644 --- a/src/southbridge/via/vt8237r/lpc.c +++ b/src/southbridge/via/vt8237r/lpc.c @@ -511,6 +511,15 @@ static void vt8237_common_init(struct device *dev) */ pci_write_config8(dev, 0x5b, 0xb);
+#if CONFIG_VT8237R_ON_AFTER_POWER_LOSS + /* make it so the board unconditionally powers on after loss of power */ + enables = pci_read_config8(dev, 0x58); + pci_write_config8(dev, 0x58, enables & ~0x02); + outb(0x0d, 0x70); + outb(0x00, 0x71); + pci_write_config8(dev, 0x58, enables); +#endif + /* Set 0x58 to 0x43 APIC and RTC. */ pci_write_config8(dev, 0x58, 0x43);