diff options
Diffstat (limited to 'src/cpu/amd/agesa/family14')
| -rw-r--r-- | src/cpu/amd/agesa/family14/Kconfig | 5 | ||||
| -rw-r--r-- | src/cpu/amd/agesa/family14/model_14_init.c | 125 |
2 files changed, 76 insertions, 54 deletions
diff --git a/src/cpu/amd/agesa/family14/Kconfig b/src/cpu/amd/agesa/family14/Kconfig index 702270c1cc..6713660ff8 100644 --- a/src/cpu/amd/agesa/family14/Kconfig +++ b/src/cpu/amd/agesa/family14/Kconfig @@ -67,3 +67,8 @@ config HAVE_INIT_TIMER default y depends on CPU_AMD_AGESA_FAMILY14 +config HIGH_SCRATCH_MEMORY_SIZE + hex + # Assume the maximum size of stack as (0xA0000 - 0x30000 + 0x1000) + default 0x71000 + depends on CPU_AMD_AGESA_FAMILY14 diff --git a/src/cpu/amd/agesa/family14/model_14_init.c b/src/cpu/amd/agesa/family14/model_14_init.c index 577da1ba0d..d90695af4a 100644 --- a/src/cpu/amd/agesa/family14/model_14_init.c +++ b/src/cpu/amd/agesa/family14/model_14_init.c @@ -32,6 +32,8 @@ #include <cpu/x86/cache.h> #include <cpu/x86/mtrr.h> #include <cpu/amd/amdfam14.h> +#include <arch/acpi.h> +#include <cpu/amd/agesa/s3_resume.h> #define MCI_STATUS 0x401 @@ -57,69 +59,84 @@ void wrmsr_amd(u32 index, msr_t msr) static void model_14_init(device_t dev) { - printk(BIOS_DEBUG, "Model 14 Init.\n"); - - u8 i; - msr_t msr; - int msrno; + u32 i; + msr_t msr; #if CONFIG_LOGICAL_CPUS == 1 - u32 siblings; + u32 siblings; +#endif + printk(BIOS_DEBUG, "Model 14 Init.\n"); + + disable_cache (); + /* + * AGESA sets the MTRRs main MTRRs. The shadow area needs to be set + * by coreboot. The amd_setup_mtrrs should work, but needs debug on fam14. + * TODO: + * amd_setup_mtrrs(); + */ + + /* 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); + + /* Set shadow WB, RdMEM, WrMEM */ + msr.lo = msr.hi = 0; + wrmsr (0x259, msr); + msr.hi = msr.lo = 0x1e1e1e1e; + wrmsr(0x250, msr); + wrmsr(0x258, msr); + for (i = 0x268; i <= 0x26f; i++) + wrmsr(i, msr); + + msr = rdmsr(SYSCFG_MSR); + msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; + msr.lo |= SYSCFG_MSR_MtrrFixDramEn; + wrmsr(SYSCFG_MSR, msr); + +#if CONFIG_HAVE_ACPI_RESUME == 1 + if (acpi_slp_type == 3) + restore_mtrr(); #endif - disable_cache (); - /* Enable access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo |= SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - - // BSP: make a0000-bffff UC, c0000-fffff WB, same as OntarioApMtrrSettingsList for APs - msr.lo = msr.hi = 0; - wrmsr (0x259, msr); - msr.lo = msr.hi = 0x1e1e1e1e; - for (msrno = 0x268; msrno <= 0x26f; msrno++) - wrmsr (msrno, msr); - - /* disable access to AMD RdDram and WrDram extension bits */ - msr = rdmsr(SYSCFG_MSR); - msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn; - wrmsr(SYSCFG_MSR, msr); - enable_cache (); - - /* zero the machine check error status registers */ - msr.lo = 0; - msr.hi = 0; - for (i = 0; i < 6; i++) { - wrmsr(MCI_STATUS + (i * 4), msr); - } - - /* Enable the local cpu apics */ - setup_lapic(); + x86_mtrr_check(); + x86_enable_cache(); + + /* zero the machine check error status registers */ + msr.lo = 0; + msr.hi = 0; + for (i = 0; i < 6; i++) { + wrmsr(MCI_STATUS + (i * 4), msr); + } + + /* Enable the local cpu apics */ + setup_lapic(); #if CONFIG_LOGICAL_CPUS == 1 - 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); - - 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); + 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); + + msr = rdmsr_amd(CPU_ID_EXT_FEATURES_MSR); + msr.hi |= 1 << (33 - 32); + wrmsr_amd(CPU_ID_EXT_FEATURES_MSR, msr); + } #endif - /* DisableCf8ExtCfg */ - msr = rdmsr(NB_CFG_MSR); - msr.hi &= ~(1 << (46 - 32)); - wrmsr(NB_CFG_MSR, msr); + /* DisableCf8ExtCfg */ + msr = rdmsr(NB_CFG_MSR); + msr.hi &= ~(1 << (46 - 32)); + wrmsr(NB_CFG_MSR, msr); + /* Write protect SMM space with SMMLOCK. */ + msr = rdmsr(HWCR_MSR); + msr.lo |= (1 << 0); + wrmsr(HWCR_MSR, msr); - /* Write protect SMM space with SMMLOCK. */ - msr = rdmsr(HWCR_MSR); - msr.lo |= (1 << 0); - wrmsr(HWCR_MSR, msr); + printk(BIOS_SPEW, "%s done.\n", __func__); } static struct device_operations cpu_dev_ops = { |