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-rw-r--r--src/soc/intel/cannonlake/include/soc/smm.h4
-rw-r--r--src/soc/intel/cannonlake/smmrelocate.c32
-rw-r--r--src/soc/intel/icelake/include/soc/smm.h4
-rw-r--r--src/soc/intel/icelake/smmrelocate.c32
-rw-r--r--src/soc/intel/skylake/include/soc/smm.h4
-rw-r--r--src/soc/intel/skylake/smmrelocate.c42
6 files changed, 3 insertions, 115 deletions
diff --git a/src/soc/intel/cannonlake/include/soc/smm.h b/src/soc/intel/cannonlake/include/soc/smm.h
index f2e7950ba2..0c08ffea18 100644
--- a/src/soc/intel/cannonlake/include/soc/smm.h
+++ b/src/soc/intel/cannonlake/include/soc/smm.h
@@ -33,10 +33,6 @@ struct smm_relocation_params {
size_t 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;
/*
* The smm_save_state_in_msrs field indicates if SMM save state
* locations live in MSRs. This indicates to the CPUs how to adjust
diff --git a/src/soc/intel/cannonlake/smmrelocate.c b/src/soc/intel/cannonlake/smmrelocate.c
index 45b2ff81ee..3da1a56cb4 100644
--- a/src/soc/intel/cannonlake/smmrelocate.c
+++ b/src/soc/intel/cannonlake/smmrelocate.c
@@ -166,7 +166,7 @@ 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 SMRR MSRs based on indicated support. */
mtrr_cap = rdmsr(MTRR_CAP_MSR);
if (mtrr_cap.lo & SMRR_SUPPORTED)
write_smrr(relo_params);
@@ -176,18 +176,9 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
{
uintptr_t tseg_base;
size_t tseg_size;
- u32 emrr_base;
- u32 emrr_size;
- int phys_bits;
/* All range registers are aligned to 4KiB */
const u32 rmask = ~(4 * KiB - 1);
- /*
- * Some of the range registers are dependent on the number of physical
- * address bits supported.
- */
- phys_bits = cpu_phys_address_size();
-
smm_region(&tseg_base, &tseg_size);
smm_subregion(SMM_SUBREGION_CHIPSET, &params->ied_base, &params->ied_size);
@@ -196,27 +187,6 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
params->smrr_base.hi = 0;
params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | MTRR_PHYS_MASK_VALID;
params->smrr_mask.hi = 0;
-
- /* The EMRR and UNCORE_EMRR are at IEDBASE + 2MiB */
- emrr_base = (params->ied_base + 2 * MiB) & rmask;
- emrr_size = params->ied_size - 2 * MiB;
-
- /*
- * EMRR 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)
- | MTRR_PHYS_MASK_VALID;
- params->emrr_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) |
- MTRR_PHYS_MASK_VALID;
- params->uncore_emrr_mask.hi = (1 << (39 - 32)) - 1;
}
static void setup_ied_area(struct smm_relocation_params *params)
diff --git a/src/soc/intel/icelake/include/soc/smm.h b/src/soc/intel/icelake/include/soc/smm.h
index b61951b85b..eec394bf74 100644
--- a/src/soc/intel/icelake/include/soc/smm.h
+++ b/src/soc/intel/icelake/include/soc/smm.h
@@ -32,10 +32,6 @@ struct smm_relocation_params {
size_t 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;
/*
* The smm_save_state_in_msrs field indicates if SMM save state
* locations live in MSRs. This indicates to the CPUs how to adjust
diff --git a/src/soc/intel/icelake/smmrelocate.c b/src/soc/intel/icelake/smmrelocate.c
index 679aaa2af7..3e949b226a 100644
--- a/src/soc/intel/icelake/smmrelocate.c
+++ b/src/soc/intel/icelake/smmrelocate.c
@@ -165,7 +165,7 @@ 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 SMRR MSRs based on indicated support. */
mtrr_cap = rdmsr(MTRR_CAP_MSR);
if (mtrr_cap.lo & SMRR_SUPPORTED)
write_smrr(relo_params);
@@ -175,18 +175,9 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
{
uintptr_t tseg_base;
size_t tseg_size;
- u32 emrr_base;
- u32 emrr_size;
- int phys_bits;
/* All range registers are aligned to 4KiB */
const u32 rmask = ~(4 * KiB - 1);
- /*
- * Some of the range registers are dependent on the number of physical
- * address bits supported.
- */
- phys_bits = cpu_phys_address_size();
-
smm_region(&tseg_base, &tseg_size);
smm_subregion(SMM_SUBREGION_CHIPSET, &params->ied_base, &params->ied_size);
@@ -195,27 +186,6 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
params->smrr_base.hi = 0;
params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | MTRR_PHYS_MASK_VALID;
params->smrr_mask.hi = 0;
-
- /* The EMRR and UNCORE_EMRR are at IEDBASE + 2MiB */
- emrr_base = (params->ied_base + 2 * MiB) & rmask;
- emrr_size = params->ied_size - 2 * MiB;
-
- /*
- * EMRR 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)
- | MTRR_PHYS_MASK_VALID;
- params->emrr_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) |
- MTRR_PHYS_MASK_VALID;
- params->uncore_emrr_mask.hi = (1 << (39 - 32)) - 1;
}
static void setup_ied_area(struct smm_relocation_params *params)
diff --git a/src/soc/intel/skylake/include/soc/smm.h b/src/soc/intel/skylake/include/soc/smm.h
index 9c15db2915..6eb6b1e2d6 100644
--- a/src/soc/intel/skylake/include/soc/smm.h
+++ b/src/soc/intel/skylake/include/soc/smm.h
@@ -34,10 +34,6 @@ struct smm_relocation_params {
size_t 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;
/*
* The smm_save_state_in_msrs field indicates if SMM save state
* locations live in MSRs. This indicates to the CPUs how to adjust
diff --git a/src/soc/intel/skylake/smmrelocate.c b/src/soc/intel/skylake/smmrelocate.c
index 34497fceeb..ebb853af5c 100644
--- a/src/soc/intel/skylake/smmrelocate.c
+++ b/src/soc/intel/skylake/smmrelocate.c
@@ -46,16 +46,6 @@ static inline void write_smrr(struct smm_relocation_params *relo_params)
wrmsr(IA32_SMRR_PHYS_MASK, relo_params->smrr_mask);
}
-static inline void write_uncore_emrr(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(MSR_UNCORE_PRMRR_PHYS_BASE, relo_params->uncore_emrr_base);
- wrmsr(MSR_UNCORE_PRMRR_PHYS_MASK, relo_params->uncore_emrr_mask);
-}
-
static void update_save_state(int cpu, uintptr_t curr_smbase,
uintptr_t staggered_smbase,
struct smm_relocation_params *relo_params)
@@ -175,7 +165,7 @@ 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 SMRR MSRs based on indicated support. */
mtrr_cap = rdmsr(MTRR_CAP_MSR);
if (mtrr_cap.lo & SMRR_SUPPORTED)
write_smrr(relo_params);
@@ -185,18 +175,9 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
{
uintptr_t tseg_base;
size_t tseg_size;
- u32 emrr_base;
- u32 emrr_size;
- int phys_bits;
/* All range registers are aligned to 4KiB */
const u32 rmask = ~((1 << 12) - 1);
- /*
- * Some of the range registers are dependent on the number of physical
- * address bits supported.
- */
- phys_bits = cpuid_eax(0x80000008) & 0xff;
-
smm_region(&tseg_base, &tseg_size);
smm_subregion(SMM_SUBREGION_CHIPSET, &params->ied_base, &params->ied_size);
@@ -205,27 +186,6 @@ static void fill_in_relocation_params(struct smm_relocation_params *params)
params->smrr_base.hi = 0;
params->smrr_mask.lo = (~(tseg_size - 1) & rmask) | 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);
-
- /*
- * EMRR 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)
- | MTRR_PHYS_MASK_VALID;
- params->emrr_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) |
- MTRR_PHYS_MASK_VALID;
- params->uncore_emrr_mask.hi = (1 << (39 - 32)) - 1;
}
static void setup_ied_area(struct smm_relocation_params *params)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 23:37:51 +0000