diff options
| author | Ronald G. Minnich <rminnich@gmail.com> | 2006-04-23 19:21:12 +0000 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2006-04-23 19:21:12 +0000 |
| commit | 2f1980026865af7b11f27257c36b61d897932186 (patch) | |
| tree | 865287e8829ceb85b5a63014e2ad8dbd7cc57140 /src | |
| parent | ff8c08e2577ee82446a3b800509ae7786d375979 (diff) | |
| download | coreboot-2f1980026865af7b11f27257c36b61d897932186.tar.xz | |
fix so that olpc uarts come up enabled.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2272 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/olpc/rev_a/auto.c | 2 | ||||
| -rw-r--r-- | src/southbridge/amd/cs5536/cs5536_early_setup.c | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/mainboard/olpc/rev_a/auto.c b/src/mainboard/olpc/rev_a/auto.c index 0c148b4f68..249df48814 100644 --- a/src/mainboard/olpc/rev_a/auto.c +++ b/src/mainboard/olpc/rev_a/auto.c @@ -153,7 +153,7 @@ static void main(unsigned long bist) SystemPreInit(); msr_init(); - w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE); + cs5536_setup_onchipuart(); uart_init(); console_init(); diff --git a/src/southbridge/amd/cs5536/cs5536_early_setup.c b/src/southbridge/amd/cs5536/cs5536_early_setup.c index ff31f76235..99cc5d28c5 100644 --- a/src/southbridge/amd/cs5536/cs5536_early_setup.c +++ b/src/southbridge/amd/cs5536/cs5536_early_setup.c @@ -155,6 +155,15 @@ static void dummy(void) { } +/* see page 412 of the cs5536 companion book */ +static int cs5536_setup_onchipuart(void) { + msr_t msr; + msr.lo = 2; + msr.hi = 0; + wrmsr(0x5160003a, msr); + wrmsr(0x5160003e, msr); +} + static int cs5536_early_setup(void) { msr_t msr; |