sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

{cpu,soc}/intel: deduplicate cpu code

Browse Source 
Move a whole bunch of copy-pasta code from soc/intel/{bdw,skl,cnl,icl,
tgl,ehl,jsl,adl} and cpu/intel/{hsw,model_*} to cpu/intel/common.

This change just moves the code. Rework is done in CB:46588.

Change-Id: Ib0cc834de8492d59c423317598e1c11847a0b1ab
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46274
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Michael Niewöhner
2020-10-11 14:05:32 +02:00
committed by Nico Huber
parent 29a52c8308
commit 10ae1cf2cd
27 changed files with 57 additions and 425 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/soc/intel/cannonlake/cpu.c
View File

@@ -83,29 +83,6 @@ static void configure_misc(void)
wrmsr(MSR_POWER_CTL, msr);
}
static void enable_lapic_tpr(void)
{
msr_t msr;
msr = rdmsr(MSR_PIC_MSG_CONTROL);
msr.lo &= ~(1 << 10); /* Enable APIC TPR updates */
wrmsr(MSR_PIC_MSG_CONTROL, msr);
}
static void configure_dca_cap(void)
{
uint32_t feature_flag;
msr_t msr;
/* Check feature flag in CPUID.(EAX=1):ECX[18]==1 */
feature_flag = cpu_get_feature_flags_ecx();
if (feature_flag & CPUID_DCA) {
msr = rdmsr(IA32_PLATFORM_DCA_CAP);
msr.lo |= 1;
wrmsr(IA32_PLATFORM_DCA_CAP, msr);
}
}
/*
* The emulated ACPI timer allows replacing of the ACPI timer
* (PM1_TMR) to have no impart on the system.
@@ -129,24 +106,6 @@ static void enable_pm_timer_emulation(void)
wrmsr(MSR_EMULATE_PM_TIMER, msr);
}
static void set_energy_perf_bias(u8 policy)
{
msr_t msr;
int ecx;
/* Determine if energy efficient policy is supported. */
ecx = cpuid_ecx(0x6);
if (!(ecx & (1 << 3)))
return;
/* Energy Policy is bits 3:0 */
msr = rdmsr(IA32_ENERGY_PERF_BIAS);
msr.lo &= ~0xf;
msr.lo |= policy & 0xf;
wrmsr(IA32_ENERGY_PERF_BIAS, msr);
}
static void configure_c_states(void)
{
msr_t msr;