diff options
Diffstat (limited to 'src/cpu/intel/haswell')
| -rw-r--r-- | src/cpu/intel/haswell/haswell_init.c | 3 | ||||
| -rw-r--r-- | src/cpu/intel/haswell/mp_init.c | 15 |
2 files changed, 0 insertions, 18 deletions
diff --git a/src/cpu/intel/haswell/haswell_init.c b/src/cpu/intel/haswell/haswell_init.c index dc6012bced..b7bea20734 100644 --- a/src/cpu/intel/haswell/haswell_init.c +++ b/src/cpu/intel/haswell/haswell_init.c @@ -789,9 +789,6 @@ void bsp_init_and_start_aps(struct bus *cpu_bus) /* Restore the default SMM region. */ restore_default_smm_area(smm_save_area); - - /* Enable ROM caching if option was selected. */ - x86_mtrr_enable_rom_caching(); } static struct device_operations cpu_dev_ops = { diff --git a/src/cpu/intel/haswell/mp_init.c b/src/cpu/intel/haswell/mp_init.c index 51130a56a3..03983605bd 100644 --- a/src/cpu/intel/haswell/mp_init.c +++ b/src/cpu/intel/haswell/mp_init.c @@ -143,14 +143,6 @@ void release_aps_for_smm_relocation(int do_parallel) printk(BIOS_DEBUG, "Timed out waiting for AP SMM relocation\n"); } -/* The mtrr code sets up ROM caching on the BSP, but not the others. However, - * the boot loader payload disables this. In order for Linux not to complain - * ensure the caching is disabled for the APs before going to sleep. */ -static void cleanup_rom_caching(void) -{ - x86_mtrr_disable_rom_caching(); -} - /* By the time APs call ap_init() caching has been setup, and microcode has * been loaded. */ static void asmlinkage ap_init(unsigned int cpu, void *microcode_ptr) @@ -184,13 +176,6 @@ static void asmlinkage ap_init(unsigned int cpu, void *microcode_ptr) /* After SMM relocation a 2nd microcode load is required. */ intel_microcode_load_unlocked(microcode_ptr); - /* The MTRR resources are core scoped. Therefore, there is no need - * to do the same work twice. Additionally, this check keeps the - * ROM cache enabled on the BSP since its hyperthread sibling won't - * call cleanup_rom_caching(). */ - if ((lapicid() & 1) == 0) - cleanup_rom_caching(); - /* FIXME(adurbin): park CPUs properly -- preferably somewhere in a * reserved part of memory that the OS cannot get to. */ stop_this_cpu(); |