diff options
| -rw-r--r-- | src/southbridge/nvidia/ck804/lpc.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/southbridge/nvidia/ck804/lpc.c b/src/southbridge/nvidia/ck804/lpc.c index 9b6049c993..b24da6de17 100644 --- a/src/southbridge/nvidia/ck804/lpc.c +++ b/src/southbridge/nvidia/ck804/lpc.c @@ -1,6 +1,7 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2003 Linux Networx * Copyright (C) 2003 SuSE Linux AG * Copyright (C) 2004 Tyan Computer @@ -40,9 +41,12 @@ #define NMI_OFF 0 -// 0x7a or e3 +// Power restoration control register is at 0x7a #define PREVIOUS_POWER_STATE 0x7A + // Auxiliary power control register possibly located at 0xe3 +#define PREVIOUS_POWER_STATE_AUX 0xe3 + #define MAINBOARD_POWER_OFF 0 #define MAINBOARD_POWER_ON 1 #define SLOW_CPU_OFF 0 @@ -123,9 +127,9 @@ static void lpc_init(device_t dev) on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; get_option(&on, "power_on_after_fail"); byte = pci_read_config8(dev, PREVIOUS_POWER_STATE); - byte &= ~0x40; + byte &= ~0x45; if (!on) - byte |= 0x40; + byte |= 0x45; pci_write_config8(dev, PREVIOUS_POWER_STATE, byte); printk(BIOS_INFO, "set power %s after power fail\n", on ? "on" : "off"); |