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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-11 08:45:40 +0300 |
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committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-08-28 22:52:14 +0000 |
commit | abddb1fff0262321120e9a82fd00e0c4b6960bbf (patch) | |
tree | e832681ed9b1490c47c7f718f22bc119b2bec4b8 /src/cpu | |
parent | d53fd704f252ffde35c8bf2f2b16260edce76e79 (diff) | |
download | coreboot-abddb1fff0262321120e9a82fd00e0c4b6960bbf.tar.xz |
intel/haswell,broadwell: Rename EMRR to PRMRR
The MSRs were already named as PRMRR in broadwell, just
mismatching with the rest of the code. All later devices
use the names PRMRR and UNCORE_PRMRR for these MSRs.
Reflect the name change in structures and local variables.
Change-Id: Id825ba2c083d0def641dd9bf02d3b671d85b1e35
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34825
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/cpu')
-rw-r--r-- | src/cpu/intel/haswell/smmrelocate.c | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/src/cpu/intel/haswell/smmrelocate.c b/src/cpu/intel/haswell/smmrelocate.c index 23168efe74..e3b9c38d59 100644 --- a/src/cpu/intel/haswell/smmrelocate.c +++ b/src/cpu/intel/haswell/smmrelocate.c @@ -31,10 +31,10 @@ #include <southbridge/intel/lynxpoint/pch.h> #include "haswell.h" -#define EMRRphysBase_MSR 0x1f4 -#define EMRRphysMask_MSR 0x1f5 -#define UNCORE_EMRRphysBase_MSR 0x2f4 -#define UNCORE_EMRRphysMask_MSR 0x2f5 +#define MSR_PRMRR_PHYS_BASE 0x1f4 +#define MSR_PRMRR_PHYS_MASK 0x1f5 +#define MSR_UNCORE_PRMRR_PHYS_BASE 0x2f4 +#define MSR_UNCORE_PRMRR_PHYS_MASK 0x2f5 #define SMM_MCA_CAP_MSR 0x17d #define SMM_CPU_SVRSTR_BIT 57 #define SMM_CPU_SVRSTR_MASK (1 << (SMM_CPU_SVRSTR_BIT - 32)) @@ -45,7 +45,7 @@ #define IEDBASE_MSR 0xc22 #define SMRR_SUPPORTED (1 << 11) -#define EMRR_SUPPORTED (1 << 12) +#define PRMRR_SUPPORTED (1 << 12) struct smm_relocation_params { u32 smram_base; @@ -54,10 +54,10 @@ struct smm_relocation_params { u32 ied_size; msr_t smrr_base; msr_t smrr_mask; - msr_t emrr_base; - msr_t emrr_mask; - msr_t uncore_emrr_base; - msr_t uncore_emrr_mask; + msr_t prmrr_base; + msr_t prmrr_mask; + msr_t uncore_prmrr_base; + msr_t uncore_prmrr_mask; /* The smm_save_state_in_msrs field indicates if SMM save state * locations live in MSRs. This indicates to the CPUs how to adjust * the SMMBASE and IEDBASE */ @@ -75,22 +75,22 @@ static inline void write_smrr(struct smm_relocation_params *relo_params) wrmsr(IA32_SMRR_PHYS_MASK, relo_params->smrr_mask); } -static inline void write_emrr(struct smm_relocation_params *relo_params) +static inline void write_prmrr(struct smm_relocation_params *relo_params) { - printk(BIOS_DEBUG, "Writing EMRR. base = 0x%08x, mask=0x%08x\n", - relo_params->emrr_base.lo, relo_params->emrr_mask.lo); - wrmsr(EMRRphysBase_MSR, relo_params->emrr_base); - wrmsr(EMRRphysMask_MSR, relo_params->emrr_mask); + printk(BIOS_DEBUG, "Writing PRMRR. base = 0x%08x, mask=0x%08x\n", + relo_params->prmrr_base.lo, relo_params->prmrr_mask.lo); + wrmsr(MSR_PRMRR_PHYS_BASE, relo_params->prmrr_base); + wrmsr(MSR_PRMRR_PHYS_MASK, relo_params->prmrr_mask); } -static inline void write_uncore_emrr(struct smm_relocation_params *relo_params) +static inline void write_uncore_prmrr(struct smm_relocation_params *relo_params) { printk(BIOS_DEBUG, - "Writing UNCORE_EMRR. base = 0x%08x, mask=0x%08x\n", - relo_params->uncore_emrr_base.lo, - relo_params->uncore_emrr_mask.lo); - wrmsr(UNCORE_EMRRphysBase_MSR, relo_params->uncore_emrr_base); - wrmsr(UNCORE_EMRRphysMask_MSR, relo_params->uncore_emrr_mask); + "Writing UNCORE_PRMRR. base = 0x%08x, mask=0x%08x\n", + relo_params->uncore_prmrr_base.lo, + relo_params->uncore_prmrr_mask.lo); + wrmsr(MSR_UNCORE_PRMRR_PHYS_BASE, relo_params->uncore_prmrr_base); + wrmsr(MSR_UNCORE_PRMRR_PHYS_MASK, relo_params->uncore_prmrr_mask); } static void update_save_state(int cpu, uintptr_t curr_smbase, @@ -198,17 +198,17 @@ void smm_relocation_handler(int cpu, uintptr_t curr_smbase, /* Make appropriate changes to the save state map. */ update_save_state(cpu, curr_smbase, staggered_smbase, relo_params); - /* Write EMRR and SMRR MSRs based on indicated support. */ + /* Write PRMRR and SMRR MSRs based on indicated support. */ mtrr_cap = rdmsr(MTRR_CAP_MSR); if (mtrr_cap.lo & SMRR_SUPPORTED) write_smrr(relo_params); - if (mtrr_cap.lo & EMRR_SUPPORTED) { - write_emrr(relo_params); - /* UNCORE_EMRR msrs are package level. Therefore, only + if (mtrr_cap.lo & PRMRR_SUPPORTED) { + write_prmrr(relo_params); + /* UNCORE_PRMRR msrs are package level. Therefore, only * configure these MSRs on the BSP. */ if (cpu == 0) - write_uncore_emrr(relo_params); + write_uncore_prmrr(relo_params); } } @@ -228,8 +228,8 @@ static void fill_in_relocation_params(struct device *dev, u32 tseg_size; u32 tsegmb; u32 bgsm; - u32 emrr_base; - u32 emrr_size; + u32 prmrr_base; + u32 prmrr_size; int phys_bits; /* All range registers are aligned to 4KiB */ const u32 rmask = ~((1 << 12) - 1); @@ -261,24 +261,24 @@ static void fill_in_relocation_params(struct device *dev, | MTRR_PHYS_MASK_VALID; params->smrr_mask.hi = 0; - /* The EMRR and UNCORE_EMRR are at IEDBASE + 2MiB */ - emrr_base = (params->ied_base + (2 << 20)) & rmask; - emrr_size = params->ied_size - (2 << 20); + /* The PRMRR and UNCORE_PRMRR are at IEDBASE + 2MiB */ + prmrr_base = (params->ied_base + (2 << 20)) & rmask; + prmrr_size = params->ied_size - (2 << 20); - /* EMRR has 46 bits of valid address aligned to 4KiB. It's dependent + /* PRMRR has 46 bits of valid address aligned to 4KiB. It's dependent * on the number of physical address bits supported. */ - params->emrr_base.lo = emrr_base | MTRR_TYPE_WRBACK; - params->emrr_base.hi = 0; - params->emrr_mask.lo = (~(emrr_size - 1) & rmask) + params->prmrr_base.lo = prmrr_base | MTRR_TYPE_WRBACK; + params->prmrr_base.hi = 0; + params->prmrr_mask.lo = (~(prmrr_size - 1) & rmask) | MTRR_PHYS_MASK_VALID; - params->emrr_mask.hi = (1 << (phys_bits - 32)) - 1; + params->prmrr_mask.hi = (1 << (phys_bits - 32)) - 1; - /* UNCORE_EMRR has 39 bits of valid address aligned to 4KiB. */ - params->uncore_emrr_base.lo = emrr_base; - params->uncore_emrr_base.hi = 0; - params->uncore_emrr_mask.lo = (~(emrr_size - 1) & rmask) | + /* UNCORE_PRMRR has 39 bits of valid address aligned to 4KiB. */ + params->uncore_prmrr_base.lo = prmrr_base; + params->uncore_prmrr_base.hi = 0; + params->uncore_prmrr_mask.lo = (~(prmrr_size - 1) & rmask) | MTRR_PHYS_MASK_VALID; - params->uncore_emrr_mask.hi = (1 << (39 - 32)) - 1; + params->uncore_prmrr_mask.hi = (1 << (39 - 32)) - 1; } static void setup_ied_area(struct smm_relocation_params *params) @@ -301,7 +301,7 @@ static void setup_ied_area(struct smm_relocation_params *params) /* According to the BWG MP init section 2MiB of memory at IEDBASE + * 2MiB should be zeroed as well. However, I suspect what is intended - * is to clear the memory covered by EMRR. TODO(adurbin): figure out if + * is to clear the memory covered by PRMRR. TODO(adurbin): figure out if * this is really required. */ //memset(ied_base + (2 << 20), 0, (2 << 20)); |