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| author | arch import user (historical) <svn@openbios.org> | 2005-07-06 17:13:46 +0000 |
|---|---|---|
| committer | arch import user (historical) <svn@openbios.org> | 2005-07-06 17:13:46 +0000 |
| commit | 98d0d30f6b8237f888cd44b33292319e3c167a47 (patch) | |
| tree | 0571a9e863b7a7749c2e4fd5bda7ec080831a73c /src/southbridge/nvidia/ck804/ck804_reset.c | |
| parent | 577f185d382c8130f20f0ee7e8466ed8bbebbacc (diff) | |
| download | coreboot-98d0d30f6b8237f888cd44b33292319e3c167a47.tar.xz | |
Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-30
Creator: Yinghai Lu <yhlu@tyan.com>
Nvidia Ck804 support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1946 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/southbridge/nvidia/ck804/ck804_reset.c')
| -rw-r--r-- | src/southbridge/nvidia/ck804/ck804_reset.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/ck804/ck804_reset.c b/src/southbridge/nvidia/ck804/ck804_reset.c new file mode 100644 index 0000000000..bd1bc5378c --- /dev/null +++ b/src/southbridge/nvidia/ck804/ck804_reset.c @@ -0,0 +1,40 @@ +/* + * Copyright 2004 Tyan Computer + * by yhlu@tyan.com + */ + +#include <arch/io.h> + +#define PCI_DEV(BUS, DEV, FN) ( \ + (((BUS) & 0xFF) << 16) | \ + (((DEV) & 0x1f) << 11) | \ + (((FN) & 0x7) << 8)) + +typedef unsigned device_t; + +static void pci_write_config32(device_t dev, unsigned where, unsigned value) +{ + unsigned addr; + addr = dev | where; + outl(0x80000000 | (addr & ~3), 0xCF8); + outl(value, 0xCFC); +} + +static unsigned pci_read_config32(device_t dev, unsigned where) +{ + unsigned addr; + addr = dev | where; + outl(0x80000000 | (addr & ~3), 0xCF8); + return inl(0xCFC); +} + +#include "../../../northbridge/amd/amdk8/reset_test.c" + +void hard_reset(void) +{ + set_bios_reset(); + /* Try rebooting through port 0xcf9 */ + outb((0 <<3)|(0<<2)|(1<<1), 0xcf9); + outb((0 <<3)|(1<<2)|(1<<1), 0xcf9); +} + |