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| author | Ronald G. Minnich <rminnich@gmail.com> | 2006-04-13 19:44:50 +0000 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2006-04-13 19:44:50 +0000 |
| commit | ea9db56d0e78499faf38a5d8e0c2125275c69ef2 (patch) | |
| tree | 95b8fa90f043258d1024a592794c6c8f31706cdf /src/cpu/amd/model_gx2 | |
| parent | d8d8fffa0edc8b86f1efab2f3a44c9d53cefe556 (diff) | |
add SystemPreInit() and support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2254 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/model_gx2')
| -rw-r--r-- | src/cpu/amd/model_gx2/syspreinit.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/cpu/amd/model_gx2/syspreinit.c b/src/cpu/amd/model_gx2/syspreinit.c new file mode 100644 index 0000000000..e3ad95235d --- /dev/null +++ b/src/cpu/amd/model_gx2/syspreinit.c @@ -0,0 +1,22 @@ +/* ***************************************************************************/ +/* **/ +/* * StartTimer1*/ +/* **/ +/* * Entry: none*/ +/* * Exit: Starts Timer 1 for port 61 use*/ +/* * Destroys: Al,*/ +/* **/ +/* ***************************************************************************/ +void +StartTimer1(void){ + outb(0x56, 0x43); + outb(0x12, 0x41); +} + +void +SystemPreInit(void){ + + /* they want a jump ... */ + __asm__("jmp .+2\ninvd\njmp.+2\n"); + StartTimer1(); +} |