From e261807baceef199f31528f700fdd9a8a27d348e Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Sun, 5 Jun 2011 11:39:12 +0200 Subject: i82801gx: enable ACPI during S3 resume disabling ACPI during S3 wakeup breaks ACPI wakeup, as the Host OS is assuming that ACPI is enabled. Change-Id: I8ced72c4b553d41a57f26d64998118e8a77621f8 Signed-off-by: Sven Schnelle Reviewed-on: http://review.coreboot.org/7 Tested-by: build bot (Jenkins) --- src/southbridge/intel/i82801gx/lpc.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/southbridge') diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c index 394f161f95..b4b2f41377 100644 --- a/src/southbridge/intel/i82801gx/lpc.c +++ b/src/southbridge/intel/i82801gx/lpc.c @@ -341,6 +341,7 @@ static void i82801gx_lock_smm(struct device *dev) u8 reg8; #endif + if (acpi_slp_type != 3) { #if ENABLE_ACPI_MODE_IN_COREBOOT printk(BIOS_DEBUG, "Enabling ACPI via APMC:\n"); outb(APM_CNT_ACPI_ENABLE, APM_CNT); // Enable ACPI mode @@ -350,6 +351,10 @@ static void i82801gx_lock_smm(struct device *dev) outb(APM_CNT_ACPI_DISABLE, APM_CNT); // Disable ACPI mode printk(BIOS_DEBUG, "done.\n"); #endif + } else { + printk(BIOS_DEBUG, "S3 wakeup, enabling ACPI via APMC\n"); + outb(APM_CNT_ACPI_ENABLE, APM_CNT); + } /* Don't allow evil boot loaders, kernels, or * userspace applications to deceive us: */ -- cgit v1.2.3