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soc/amd/picasso/cpu.c: Make comment clearer 

Explain why the flash is no longer cached.

BUG=none
TEST=none

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ibb18f363a215d665d53a722ed76896a75d1c5608
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42108
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Raul E Rangel 2020-06-05 15:48:21 -06:00 committed by Patrick Georgi
parent c47422d6c3
commit 93375f270c
1 changed files with 1 additions and 1 deletions
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src/soc/amd/picasso/cpu.c
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@ -98,7 +98,7 @@ void mp_init_cpus(struct bus *cpu_bus)
if (mp_init_with_smm(cpu_bus, &mp_ops) < 0) if (mp_init_with_smm(cpu_bus, &mp_ops) < 0)
printk(BIOS_ERR, "MP initialization failure.\n"); printk(BIOS_ERR, "MP initialization failure.\n");
/* The flash is now no longer cacheable. Reset to WP for performance. */ /* pre_mp_init made the flash not cacheable. Reset to WP for performance. */
mtrr_use_temp_range(FLASH_BASE_ADDR, CONFIG_ROM_SIZE, MTRR_TYPE_WRPROT); mtrr_use_temp_range(FLASH_BASE_ADDR, CONFIG_ROM_SIZE, MTRR_TYPE_WRPROT);
set_warm_reset_flag(); set_warm_reset_flag();