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google/kukui: Raise the CPU frequency 

Run CPU at the highest freqency (1989MHz) to speed up the boot time.

BUG=b:80501386
BRANCH=none
Test=Boots correctly on Kukui

Change-Id: I703ffcb99367f87e6792a72485f5634e0505e5ac
Signed-off-by: Tristan Shieh <tristan.shieh@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32466
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tristan Shieh 2019-04-26 12:32:12 +08:00 committed by Patrick Georgi
parent b75f493ed7
commit 0dd6b55a7e
1 changed files with 2 additions and 0 deletions
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2
src/mainboard/google/kukui/romstage.c
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@ -17,6 +17,7 @@
#include <soc/emi.h> #include <soc/emi.h>
#include <soc/mmu_operations.h> #include <soc/mmu_operations.h>
#include <soc/mt6358.h> #include <soc/mt6358.h>
#include <soc/pll.h>
#include <soc/rtc.h> #include <soc/rtc.h>
#include "early_init.h" #include "early_init.h"
@ -28,6 +29,7 @@ void platform_romstage_main(void)
mainboard_early_init(); mainboard_early_init();
mt6358_init(); mt6358_init();
mt_pll_raise_ca53_freq(1989 * MHz);
rtc_boot(); rtc_boot();
mt_mem_init(get_sdram_config()); mt_mem_init(get_sdram_config());
mtk_mmu_after_dram(); mtk_mmu_after_dram();