diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/pi/00730F01/model_16_init.c | 65 |
1 files changed, 28 insertions, 37 deletions
diff --git a/src/cpu/amd/pi/00730F01/model_16_init.c b/src/cpu/amd/pi/00730F01/model_16_init.c index 2883b175ca..358f83b775 100644 --- a/src/cpu/amd/pi/00730F01/model_16_init.c +++ b/src/cpu/amd/pi/00730F01/model_16_init.c @@ -1,5 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <cbmem.h> +#include <commonlib/helpers.h> #include <console/console.h> #include <cpu/amd/microcode.h> #include <cpu/x86/msr.h> @@ -12,6 +14,7 @@ #include <cpu/x86/lapic.h> #include <cpu/cpu.h> #include <cpu/x86/cache.h> +#include <smp/node.h> static void model_16_init(struct device *dev) { @@ -20,36 +23,22 @@ static void model_16_init(struct device *dev) u8 i; msr_t msr; int num_banks; - int msrno; -#if CONFIG(LOGICAL_CPUS) u32 siblings; -#endif - disable_cache(); - /* Enable access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; - msr.lo &= ~SYSCFG_MSR_MtrrFixDramEn; - wrmsr(SYSCFG_MSR, msr); - - /* BSP: make a0000-bffff UC, c0000-fffff WB, - * same as OntarioApMtrrSettingsList for APs + /* + * All cores are initialized sequentially, so the solution for APs will be created + * before they start. */ - msr.lo = msr.hi = 0; - wrmsr(MTRR_FIX_16K_A0000, msr); - msr.lo = msr.hi = 0x1e1e1e1e; - wrmsr(MTRR_FIX_64K_00000, msr); - wrmsr(MTRR_FIX_16K_80000, msr); - for (msrno = MTRR_FIX_4K_C0000; msrno <= MTRR_FIX_4K_F8000; msrno++) - wrmsr(msrno, msr); - - msr = rdmsr(SYSCFG_MSR); - msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; - msr.lo |= SYSCFG_MSR_MtrrFixDramEn; - wrmsr(SYSCFG_MSR, msr); - + x86_setup_mtrrs_with_detect(); + /* + * Enable ROM caching on BSP we just lost when creating MTRR solution, for faster + * execution of e.g. AmdInitLate + */ + if (boot_cpu()) { + mtrr_use_temp_range(OPTIMAL_CACHE_ROM_BASE, OPTIMAL_CACHE_ROM_SIZE, + MTRR_TYPE_WRPROT); + } x86_mtrr_check(); - x86_enable_cache(); /* zero the machine check error status registers */ msr = rdmsr(IA32_MCG_CAP); @@ -62,20 +51,20 @@ static void model_16_init(struct device *dev) /* Enable the local CPU APICs */ setup_lapic(); -#if CONFIG(LOGICAL_CPUS) - siblings = cpuid_ecx(0x80000008) & 0xff; + if (CONFIG(LOGICAL_CPUS)) { + siblings = cpuid_ecx(0x80000008) & 0xff; - if (siblings > 0) { - msr = rdmsr_amd(CPU_ID_FEATURES_MSR); - msr.lo |= 1 << 28; - wrmsr_amd(CPU_ID_FEATURES_MSR, msr); + if (siblings > 0) { + msr = rdmsr_amd(CPU_ID_FEATURES_MSR); + msr.lo |= 1 << 28; + wrmsr_amd(CPU_ID_FEATURES_MSR, msr); - msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); - msr.hi |= 1 << (33 - 32); - wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); + msr.hi |= 1 << (33 - 32); + wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + } + printk(BIOS_DEBUG, "siblings = %02d, ", siblings); } - printk(BIOS_DEBUG, "siblings = %02d, ", siblings); -#endif /* DisableCf8ExtCfg */ msr = rdmsr(NB_CFG_MSR); @@ -88,6 +77,8 @@ static void model_16_init(struct device *dev) wrmsr(HWCR_MSR, msr); amd_update_microcode_from_cbfs(); + + display_mtrrs(); } static struct device_operations cpu_dev_ops = { |