From: Marc Jones Date: Wed, 13 Jul 2011 05:02:03 +0000 (-0600) Subject: Set SB800 ROM decode size based on kconfig. X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=coreboot.git;a=commitdiff_plain;h=5a91692466d501bde8fab5f9b0dee0a83444ee51 Set SB800 ROM decode size based on kconfig. Change-Id: I46ea26b5534064fe1c7e2ce2b2f12cacf18a4d4d Signed-off-by: Marc Jones Reviewed-on: http://review.coreboot.org/94 Tested-by: build bot (Jenkins) Reviewed-by: Peter Stuge --- diff --git a/src/southbridge/amd/cimx/sb800/bootblock.c b/src/southbridge/amd/cimx/sb800/bootblock.c index aaec03cbe..170276ac6 100644 --- a/src/southbridge/amd/cimx/sb800/bootblock.c +++ b/src/southbridge/amd/cimx/sb800/bootblock.c @@ -49,10 +49,9 @@ static void enable_rom(void) dword |= (1 << 0) | (1 << 1) | (1 << 4) | (1 << 6) | (1 << 21); pci_io_write_config32(dev, 0x48, dword); - /* Enable 4MB rom access at 0xFFE00000 - 0xFFFFFFFF */ - /* Set the 4MB enable bits */ + /* Enable rom access */ word = pci_io_read_config16(dev, 0x6c); - word = 0xFFC0; + word = 0x10000 - (CONFIG_COREBOOT_ROMSIZE_KB >> 6); pci_io_write_config16(dev, 0x6c, word); } diff --git a/src/southbridge/amd/sb800/bootblock.c b/src/southbridge/amd/sb800/bootblock.c index 82d80f08a..18eae2431 100644 --- a/src/southbridge/amd/sb800/bootblock.c +++ b/src/southbridge/amd/sb800/bootblock.c @@ -57,7 +57,7 @@ static void sb800_enable_rom(void) * 0xffe0(0000): 2MB * 0xffc0(0000): 4MB */ - pci_write_config16(dev, 0x6c, 0xffc0); /* 4 MB */ + pci_write_config16(dev, 0x6c, 0x10000 - (CONFIG_COREBOOT_ROMSIZE_KB >> 6)); /* Enable LPC ROM range end at 0xffff(ffff). */ pci_write_config16(dev, 0x6e, 0xffff); }