[U-Boot] [PATCH 055/126] x86: Tidy up some duplicate MSR defines
Simon Glass
sjg at chromium.org
Wed Sep 25 14:56:39 UTC 2019
Some MSR registers are defined twice in different parts of the file. Move
them together and remove the duplicates. Also drop some thermal defines
which are not used.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/x86/cpu/baytrail/cpu.c | 6 +-
arch/x86/cpu/broadwell/cpu_full.c | 6 +-
arch/x86/cpu/turbo.c | 10 +--
arch/x86/include/asm/msr-index.h | 106 ++++++++++++------------------
4 files changed, 54 insertions(+), 74 deletions(-)
diff --git a/arch/x86/cpu/baytrail/cpu.c b/arch/x86/cpu/baytrail/cpu.c
index 2eb917283bc..9394eab956b 100644
--- a/arch/x86/cpu/baytrail/cpu.c
+++ b/arch/x86/cpu/baytrail/cpu.c
@@ -68,9 +68,9 @@ static void set_max_freq(void)
msr_t msr;
/* Enable speed step */
- msr = msr_read(MSR_IA32_MISC_ENABLES);
- msr.lo |= (1 << 16);
- msr_write(MSR_IA32_MISC_ENABLES, msr);
+ msr = msr_read(MSR_IA32_MISC_ENABLE);
+ msr.lo |= MISC_ENABLE_ENHANCED_SPEEDSTEP;
+ msr_write(MSR_IA32_MISC_ENABLE, msr);
/*
* Set guaranteed ratio [21:16] from IACORE_RATIOS to bits [15:8] of
diff --git a/arch/x86/cpu/broadwell/cpu_full.c b/arch/x86/cpu/broadwell/cpu_full.c
index 169b5b02a6a..895edeb4bc4 100644
--- a/arch/x86/cpu/broadwell/cpu_full.c
+++ b/arch/x86/cpu/broadwell/cpu_full.c
@@ -470,9 +470,9 @@ static void configure_misc(void)
msr_t msr;
msr = msr_read(MSR_IA32_MISC_ENABLE);
- msr.lo |= (1 << 0); /* Fast String enable */
- msr.lo |= (1 << 3); /* TM1/TM2/EMTTM enable */
- msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */
+ msr.lo |= MISC_ENABLE_FAST_STRING;
+ msr.lo |= MISC_ENABLE_TM1;
+ msr.lo |= MISC_ENABLE_ENHANCED_SPEEDSTEP;
msr_write(MSR_IA32_MISC_ENABLE, msr);
/* Disable thermal interrupts */
diff --git a/arch/x86/cpu/turbo.c b/arch/x86/cpu/turbo.c
index a41d511238d..be468d2b2ca 100644
--- a/arch/x86/cpu/turbo.c
+++ b/arch/x86/cpu/turbo.c
@@ -60,8 +60,8 @@ int turbo_get_state(void)
cpuid_regs = cpuid(CPUID_LEAF_PM);
turbo_cap = !!(cpuid_regs.eax & PM_CAP_TURBO_MODE);
- msr = msr_read(MSR_IA32_MISC_ENABLES);
- turbo_en = !(msr.hi & H_MISC_DISABLE_TURBO);
+ msr = msr_read(MSR_IA32_MISC_ENABLE);
+ turbo_en = !(msr.hi & MISC_DISABLE_TURBO);
if (!turbo_cap && turbo_en) {
/* Unavailable */
@@ -86,9 +86,9 @@ void turbo_enable(void)
/* Only possible if turbo is available but hidden */
if (turbo_get_state() == TURBO_DISABLED) {
/* Clear Turbo Disable bit in Misc Enables */
- msr = msr_read(MSR_IA32_MISC_ENABLES);
- msr.hi &= ~H_MISC_DISABLE_TURBO;
- msr_write(MSR_IA32_MISC_ENABLES, msr);
+ msr = msr_read(MSR_IA32_MISC_ENABLE);
+ msr.hi &= ~MISC_DISABLE_TURBO;
+ msr_write(MSR_IA32_MISC_ENABLE, msr);
/* Update cached turbo state */
set_global_turbo_state(TURBO_ENABLED);
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 7cb78beafa1..74c436072f6 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -92,7 +92,38 @@
/* This is burst mode BIT 38 in IA32_MISC_ENABLE MSR at offset 1A0h */
#define BURST_MODE_DISABLE (1 << 6)
-#define MSR_IA32_MISC_ENABLES 0x000001a0
+#define MSR_IA32_MISC_ENABLE 0x000001a0
+
+/* MISC_ENABLE bits: architectural */
+#define MISC_ENABLE_FAST_STRING BIT_ULL(0)
+#define MISC_ENABLE_TCC BIT_ULL(1)
+#define MISC_DISABLE_TURBO BIT_ULL(6)
+#define MISC_ENABLE_EMON BIT_ULL(7)
+#define MISC_ENABLE_BTS_UNAVAIL BIT_ULL(11)
+#define MISC_ENABLE_PEBS_UNAVAIL BIT_ULL(12)
+#define MISC_ENABLE_ENHANCED_SPEEDSTEP BIT_ULL(16)
+#define MISC_ENABLE_MWAIT BIT_ULL(18)
+#define MISC_ENABLE_LIMIT_CPUID BIT_ULL(22)
+#define MISC_ENABLE_XTPR_DISABLE BIT_ULL(23)
+#define MISC_ENABLE_XD_DISABLE BIT_ULL(34)
+
+/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */
+#define MISC_ENABLE_X87_COMPAT BIT_ULL(2)
+#define MISC_ENABLE_TM1 BIT_ULL(3)
+#define MISC_ENABLE_SPLIT_LOCK_DISABLE BIT_ULL(4)
+#define MISC_ENABLE_L3CACHE_DISABLE BIT_ULL(6)
+#define MISC_ENABLE_SUPPRESS_LOCK BIT_ULL(8)
+#define MISC_ENABLE_PREFETCH_DISABLE BIT_ULL(9)
+#define MISC_ENABLE_FERR BIT_ULL(10)
+#define MISC_ENABLE_FERR_MULTIPLEX BIT_ULL(10)
+#define MISC_ENABLE_TM2 BIT_ULL(13)
+#define MISC_ENABLE_ADJ_PREF_DISABLE BIT_ULL(19)
+#define MISC_ENABLE_SPEEDSTEP_LOCK BIT_ULL(20)
+#define MISC_ENABLE_L1D_CONTEXT BIT_ULL(24)
+#define MISC_ENABLE_DCU_PREF_DISABLE BIT_ULL(37)
+#define MISC_ENABLE_TURBO_DISABLE BIT_ULL(38)
+#define MISC_ENABLE_IP_PREF_DISABLE BIT_ULL(39)
+
#define MSR_TEMPERATURE_TARGET 0x1a2
#define MSR_PREFETCH_CTL 0x1a4
#define PREFETCH_L1_DISABLE (1 << 0)
@@ -109,6 +140,17 @@
#define ENERGY_POLICY_NORMAL 6
#define ENERGY_POLICY_POWERSAVE 15
+#define MSR_IA32_PACKAGE_THERM_STATUS 0x000001b1
+
+#define PACKAGE_THERM_STATUS_PROCHOT BIT(0)
+#define PACKAGE_THERM_STATUS_POWER_LIMIT BIT(10)
+
+#define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x000001b2
+
+#define PACKAGE_THERM_INT_HIGH_ENABLE BIT(0)
+#define PACKAGE_THERM_INT_LOW_ENABLE BIT(1)
+#define PACKAGE_THERM_INT_PLN_ENABLE BIT(24)
+
#define MSR_LBR_SELECT 0x000001c8
#define MSR_LBR_TOS 0x000001c9
#define MSR_IA32_PLATFORM_DCA_CAP 0x1f8
@@ -420,68 +462,6 @@
#define MSR_THERM2_CTL_TM_SELECT (1ULL << 16)
-#define MSR_IA32_MISC_ENABLE 0x000001a0
-#define H_MISC_DISABLE_TURBO (1 << 6)
-
-#define MSR_IA32_TEMPERATURE_TARGET 0x000001a2
-
-#define MSR_IA32_ENERGY_PERF_BIAS 0x000001b0
-#define ENERGY_PERF_BIAS_PERFORMANCE 0
-#define ENERGY_PERF_BIAS_NORMAL 6
-#define ENERGY_PERF_BIAS_POWERSAVE 15
-
-#define MSR_IA32_PACKAGE_THERM_STATUS 0x000001b1
-
-#define PACKAGE_THERM_STATUS_PROCHOT (1 << 0)
-#define PACKAGE_THERM_STATUS_POWER_LIMIT (1 << 10)
-
-#define MSR_IA32_PACKAGE_THERM_INTERRUPT 0x000001b2
-
-#define PACKAGE_THERM_INT_HIGH_ENABLE (1 << 0)
-#define PACKAGE_THERM_INT_LOW_ENABLE (1 << 1)
-#define PACKAGE_THERM_INT_PLN_ENABLE (1 << 24)
-
-/* Thermal Thresholds Support */
-#define THERM_INT_THRESHOLD0_ENABLE (1 << 15)
-#define THERM_SHIFT_THRESHOLD0 8
-#define THERM_MASK_THRESHOLD0 (0x7f << THERM_SHIFT_THRESHOLD0)
-#define THERM_INT_THRESHOLD1_ENABLE (1 << 23)
-#define THERM_SHIFT_THRESHOLD1 16
-#define THERM_MASK_THRESHOLD1 (0x7f << THERM_SHIFT_THRESHOLD1)
-#define THERM_STATUS_THRESHOLD0 (1 << 6)
-#define THERM_LOG_THRESHOLD0 (1 << 7)
-#define THERM_STATUS_THRESHOLD1 (1 << 8)
-#define THERM_LOG_THRESHOLD1 (1 << 9)
-
-/* MISC_ENABLE bits: architectural */
-#define MSR_IA32_MISC_ENABLE_FAST_STRING (1ULL << 0)
-#define MSR_IA32_MISC_ENABLE_TCC (1ULL << 1)
-#define MSR_IA32_MISC_ENABLE_EMON (1ULL << 7)
-#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL (1ULL << 11)
-#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL (1ULL << 12)
-#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP (1ULL << 16)
-#define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18)
-#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID (1ULL << 22)
-#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE (1ULL << 23)
-#define MSR_IA32_MISC_ENABLE_XD_DISABLE (1ULL << 34)
-
-/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */
-#define MSR_IA32_MISC_ENABLE_X87_COMPAT (1ULL << 2)
-#define MSR_IA32_MISC_ENABLE_TM1 (1ULL << 3)
-#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE (1ULL << 4)
-#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE (1ULL << 6)
-#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK (1ULL << 8)
-#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE (1ULL << 9)
-#define MSR_IA32_MISC_ENABLE_FERR (1ULL << 10)
-#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX (1ULL << 10)
-#define MSR_IA32_MISC_ENABLE_TM2 (1ULL << 13)
-#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE (1ULL << 19)
-#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK (1ULL << 20)
-#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT (1ULL << 24)
-#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE (1ULL << 37)
-#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE (1ULL << 38)
-#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE (1ULL << 39)
-
#define MSR_IA32_TSC_DEADLINE 0x000006E0
/* P4/Xeon+ specific */
--
2.23.0.444.g18eeb5a265-goog
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