cpu/intel/model_206ax: Do not set PMG_IO_CAPTURE_ADDR MSR

The MSR only needs to be set when IO MWAIT redirection is to be enabled.

Change-Id: Ie856086babe4dadc690f701bd90a7bbac88cb4ad
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55213
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
This commit is contained in:
Angel Pons 2021-06-04 11:58:37 +02:00 committed by Werner Zeh
parent 42b6309595
commit 00c95b13ab
1 changed files with 0 additions and 6 deletions

View File

@ -172,12 +172,6 @@ static void configure_c_states(void)
msr.lo |= (1 << 15); // Lock C-State MSR
wrmsr(MSR_PKG_CST_CONFIG_CONTROL, msr);
msr = rdmsr(MSR_PMG_IO_CAPTURE_ADDR);
msr.lo &= ~0x7ffff;
msr.lo |= (PMB0_BASE + 4); // LVL_2 base address
msr.lo |= (2 << 16); // CST Range: C7 is max C-state
wrmsr(MSR_PMG_IO_CAPTURE_ADDR, msr);
msr = rdmsr(MSR_MISC_PWR_MGMT);
msr.lo &= ~(1 << 0); // Enable P-state HW_ALL coordination
wrmsr(MSR_MISC_PWR_MGMT, msr);