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| author | Rudolf Marek <r.marek@assembler.cz> | 2008-03-15 00:26:50 +0000 |
|---|---|---|
| committer | Rudolf Marek <r.marek@assembler.cz> | 2008-03-15 00:26:50 +0000 |
| commit | 5671787b9e36ca80b39dcbbfb0307e3c697c8e20 (patch) | |
| tree | f6eeff657df63286badb6fed864d0c4e793f5ed2 /src/southbridge | |
| parent | dd52e17448b2a8b49c1add655aa3deb3adebbcbc (diff) | |
| download | coreboot-5671787b9e36ca80b39dcbbfb0307e3c697c8e20.tar.xz | |
Following patch extends the ROM decoding to last 1MB, allowing to use larger
flashes such as SST49LF080A: 1024K x8 (8 Mbit)
Tested on my system, the flash is found and if I use coreboot in second half it
works too.
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3148 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/via/vt8237r/vt8237r_early_smbus.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/southbridge/via/vt8237r/vt8237r_early_smbus.c b/src/southbridge/via/vt8237r/vt8237r_early_smbus.c index 9116e46dbd..5e62f39e4d 100644 --- a/src/southbridge/via/vt8237r/vt8237r_early_smbus.c +++ b/src/southbridge/via/vt8237r/vt8237r_early_smbus.c @@ -212,3 +212,18 @@ void smbus_fixup(const struct mem_controller *ctrl) else PRINT_DEBUG("Done\r\n"); } + +void enable_rom_decode(void) +{ + device_t dev; + + /* Bus Control and Power Management */ + dev = pci_locate_device(PCI_ID(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_VT8237R_LPC), 0); + + if (dev == PCI_DEV_INVALID) + die("SB not found\r\n"); + + /* ROM decode last 1MB FFC00000 - FFFFFFFF */ + pci_write_config8(dev, 0x41, 0x7f); +} |