Sven Schnelle ([email protected]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/7
-gerrit
commit 965d13d8627ac29782af2cc3db3e4fffeaa7fc76 Author: Sven Schnelle <[email protected]> Date: Sun Jun 5 11:39:12 2011 +0200 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 <[email protected]> diff --git a/src/southbridge/intel/i82801gx/lpc.c b/src/southbridge/intel/i82801gx/lpc.c index 394f161..b4b2f41 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: */
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