From 96f8fb5723d41c5908ef267e2386a08c26be28b0 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 23 Mar 2006 19:26:40 +0000 Subject: make older winbond chips work reliably. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2227 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/amd/amd8111/amd8111_acpi.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/southbridge/amd') diff --git a/src/southbridge/amd/amd8111/amd8111_acpi.c b/src/southbridge/amd/amd8111/amd8111_acpi.c index d652decefb..22cb003d97 100644 --- a/src/southbridge/amd/amd8111/amd8111_acpi.c +++ b/src/southbridge/amd/amd8111/amd8111_acpi.c @@ -122,6 +122,12 @@ static void acpi_init(struct device *dev) pci_write_config8(dev, PREVIOUS_POWER_STATE, byte); printk_info("set power %s after power fail\n", on?"on":"off"); + /* switch serial irq logic from quiet mode to continuous + * mode for Winbond W83627HF Rev. 17 + */ + byte = pci_read_config8(dev, 0x4a); + pci_write_config8(dev, 0x4a, byte | (1<<6)); + /* Throttle the CPU speed down for testing */ on = SLOW_CPU_OFF; get_option(&on, "slow_cpu"); -- cgit v1.2.3