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google/kukui: Increase SPI flash speed to boot faster 

Increase SPI flash speed from 26MHz to 56MHz and set correct tick_dly
to get faster boot process.

BUG=b:80501386
BRANCH=none
TEST=emerge-kukui coreboot; emerge-elm coreboot

Change-Id: I8f44883b4f4a198146330caf5420dc39d5592a0a
Signed-off-by: Mengqi Zhang <Mengqi.Zhang@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32462
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Mengqi Zhang 2019-04-24 11:26:30 +08:00 committed by Patrick Georgi
parent 026be3d76f
commit fbeec122c0
1 changed files with 2 additions and 2 deletions
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4
src/mainboard/google/kukui/bootblock.c
View File

@ -21,8 +21,8 @@ void bootblock_mainboard_init(void)
{
mtk_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, SPI_PAD0_MASK, 6 * MHz,
0);
mtk_spi_init(CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, SPI_PAD0_MASK, 26 * MHz,
0);
mtk_spi_init(CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, SPI_PAD0_MASK, 56 * MHz,
2);
gpio_set_spi_driving(CONFIG_BOOT_DEVICE_SPI_FLASH_BUS, SPI_PAD0_MASK,
10);