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This is to enable COM1 early. 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2299 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2006-05-05 18:18:33 +00:00
parent 1656c18d76
commit 694d20e2d6
1 changed files with 3 additions and 2 deletions
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5
src/southbridge/amd/cs5536/cs5536_early_setup.c
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@ -190,12 +190,13 @@ static int cs5536_setup_onchipuart(void)
msr_t msr; msr_t msr;
msr.lo = 2; msr.lo = 2;
msr.hi = 0; msr.hi = 0;
/* not sure what this is for, so comment it out ... /* This enables COM2, but that should be done elsewhere
wrmsr(0x5140003a, msr);
wrmsr(0x5140003e, msr); wrmsr(0x5140003e, msr);
*/ */
/* enable COM1 */
wrmsr(0x5140003a, msr);
/* GPIO8 - UART1_TX */ /* GPIO8 - UART1_TX */
/* Set: Output Enable (0x4) */ /* Set: Output Enable (0x4) */
m = inl(GPIOL_OUTPUT_ENABLE); m = inl(GPIOL_OUTPUT_ENABLE);