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gru: kevin: initialize cr50 SPI interface

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Set up the pins and initialize the driver.

BRANCH=none
BUG=chrome-os-partner:50645, chrome-os-partner:51537
TEST=with the rest of the patches applied it is possible to
     communicate with the cr50.

Change-Id: I0ccd8777288e35870658268813c9202dd850c70d
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/349852
Reviewed-by: Douglas Anderson <dianders@chromium.org>
This commit is contained in:
Vadim Bendebury 2016-04-08 20:18:17 -07:00 • committed by chrome-bot
commit 6100471db2
1 changed files with 5 additions and 1 deletions
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6
src/mainboard/google/gru/bootblock.c
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@ -64,9 +64,13 @@ void bootblock_mainboard_init(void)
write32(&rk3399_pmugrf->spi1_csclktx, IOMUX_SPI1_CSCLKTX);
rockchip_spi_init(CONFIG_BOOT_MEDIA_SPI_BUS, 24750*KHz);
/* Set pinmux and configure EC flashrom. */
/* Set pinmux and configure EC SPI. */
write32(&rk3399_grf->iomux_spi5, IOMUX_SPI5);
rockchip_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, 3093750);
/* Set pinmux and configure TPM SPI, which is not very fast. */
write32(&rk3399_grf->iomux_spi0, IOMUX_SPI0);
rockchip_spi_init(CONFIG_DRIVER_TPM_SPI_BUS, 1500*KHz);
setup_chromeos_gpios();
}