From 4aad743434516d6c96f1afe21dd00b631e2c3692 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Sat, 22 Nov 2014 20:36:58 +0100 Subject: i82801gx: Enable upper CMOS in bootblock. Otherwise checksum may not work correctly on early stages. For compatibility with old bootblocks also enable it early in romstage. Change-Id: Ie541d71bd76af182e445aa5ef21fe5ba77091159 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/7556 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/northbridge/intel/i945/early_init.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/northbridge') diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c index 08ffdf6a38..b12ad3a63e 100644 --- a/src/northbridge/intel/i945/early_init.c +++ b/src/northbridge/intel/i945/early_init.c @@ -171,6 +171,9 @@ static void i945_setup_bars(void) outw((1 << 11), DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */ printk(BIOS_DEBUG, " done.\n"); + /* Enable upper 128bytes of CMOS */ + RCBA32(0x3400) = (1 << 2); + printk(BIOS_DEBUG, "Setting up static northbridge registers..."); /* Set up all hardcoded northbridge BARs */ pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR, DEFAULT_EPBAR | 1); -- cgit v1.2.3