cpu/intel/model_2065x/bootblock: Remove dead code

This codepath is never takes as it checks if the CPU is at least
ivybridge.

Change-Id: Id064385f0c8bb0b094714129df6d8ba36c87a307
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35810
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

1 files changed, 0 insertions, 52 deletions

diff --git a/src/cpu/intel/model_2065x/bootblock.c b/src/cpu/intel/model_2065x/bootblock.c
index 273c193f3a..399f5e0838 100644
--- a/src/cpu/intel/model_2065x/bootblock.c
+++ b/src/cpu/intel/model_2065x/bootblock.c
@@ -57,60 +57,8 @@ static void enable_rom_caching(void)
 	wrmsr(MTRR_DEF_TYPE_MSR, msr);
 }
 
-static void set_flex_ratio_to_tdp_nominal(void)
-{
-	msr_t flex_ratio, msr;
-	u32 soft_reset;
-	u8 nominal_ratio;
-
-	/* Minimum CPU revision for configurable TDP support */
-	if (cpuid_eax(1) < IVB_CONFIG_TDP_MIN_CPUID)
-		return;
-
-	/* Check for Flex Ratio support */
-	flex_ratio = rdmsr(MSR_FLEX_RATIO);
-	if (!(flex_ratio.lo & FLEX_RATIO_EN))
-		return;
-
-	/* Check for >0 configurable TDPs */
-	msr = rdmsr(MSR_PLATFORM_INFO);
-	if (((msr.hi >> 1) & 3) == 0)
-		return;
-
-	/* Use nominal TDP ratio for flex ratio */
-	msr = rdmsr(MSR_CONFIG_TDP_NOMINAL);
-	nominal_ratio = msr.lo & 0xff;
-
-	/* See if flex ratio is already set to nominal TDP ratio */
-	if (((flex_ratio.lo >> 8) & 0xff) == nominal_ratio)
-		return;
-
-	/* Set flex ratio to nominal TDP ratio */
-	flex_ratio.lo &= ~0xff00;
-	flex_ratio.lo |= nominal_ratio << 8;
-	flex_ratio.lo |= FLEX_RATIO_LOCK;
-	wrmsr(MSR_FLEX_RATIO, flex_ratio);
-
-	/* Set flex ratio in soft reset data register bits 11:6.
-	 * RCBA region is enabled in southbridge bootblock */
-	soft_reset = RCBA32(SOFT_RESET_DATA);
-	soft_reset &= ~(0x3f << 6);
-	soft_reset |= (nominal_ratio & 0x3f) << 6;
-	RCBA32(SOFT_RESET_DATA) = soft_reset;
-
-	/* Set soft reset control to use register value */
-	RCBA32_OR(SOFT_RESET_CTRL, 1);
-
-	/* Issue warm reset, will be "CPU only" due to soft reset data */
-	outb(0x0, 0xcf9);
-	outb(0x6, 0xcf9);
-	halt();
-}
-
 static void bootblock_cpu_init(void)
 {
-	/* Set flex ratio and reset if needed */
-	set_flex_ratio_to_tdp_nominal();
 	enable_rom_caching();
 	intel_update_microcode_from_cbfs();
 }