diff options
Diffstat (limited to 'src/cpu/intel/model_106cx/model_106cx_init.c')
| -rw-r--r-- | src/cpu/intel/model_106cx/model_106cx_init.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/cpu/intel/model_106cx/model_106cx_init.c b/src/cpu/intel/model_106cx/model_106cx_init.c index d9ce736787..b07fd0b79b 100644 --- a/src/cpu/intel/model_106cx/model_106cx_init.c +++ b/src/cpu/intel/model_106cx/model_106cx_init.c @@ -34,7 +34,8 @@ static void configure_c_states(void) msr = rdmsr(MSR_PMG_CST_CONFIG_CONTROL); msr.lo |= (1 << 15); // Lock configuration - msr.lo |= (1 << 10); // redirect IO-based CState transition requests to MWAIT + msr.lo |= (1 << 10); // redirect IO-based CState transition requests to + // MWAIT msr.lo &= ~(1 << 9); // Issue a single stop grant cycle upon stpclk msr.lo &= ~7; msr.lo |= HIGHEST_CLEVEL; // support at most C3 // TODO Do we want Deep C4 and Dynamic L2 shrinking? @@ -43,13 +44,15 @@ static void configure_c_states(void) /* Set Processor MWAIT IO BASE (P_BLK) */ msr.hi = 0; // TODO Do we want PM1_BASE? Needs SMM? - //msr.lo = ((PMB0_BASE + 4) & 0xffff) | (((PMB1_BASE + 9) & 0xffff) << 16); + //msr.lo = ((PMB0_BASE + 4) & 0xffff) | (((PMB1_BASE + 9) & 0xffff) + // << 16); msr.lo = ((PMB0_BASE + 4) & 0xffff); wrmsr(MSR_PMG_IO_BASE_ADDR, msr); /* set C_LVL controls */ msr.hi = 0; - msr.lo = (PMB0_BASE + 4) | ((HIGHEST_CLEVEL - 2) << 16); // -2 because LVL0+1 aren't counted + // -2 because LVL0+1 aren't counted + msr.lo = (PMB0_BASE + 4) | ((HIGHEST_CLEVEL - 2) << 16); wrmsr(MSR_PMG_IO_CAPTURE_ADDR, msr); } |