diff options
| author | Vadim Bendebury <vbendeb@chromium.org> | 2016-05-22 16:25:29 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-06-08 23:22:54 +0200 |
| commit | 8f8cf4d3369ef9d4391dc96215832aad1f5fda67 (patch) | |
| tree | d8df50d1c51cd8002ccacf208af5ea3360bf1dbd | |
| parent | 9ed93cb5d50f94f9c43db2eb29764cd6302b4bb0 (diff) | |
gru: kevin: enable EC SPI interface
This configures and enables SPI interface #5 used for EC
communications on Gru/Kevin.
BRANCH=none
BUG=chrome-os-partner:51537
TEST=with the appropriate depthcharge change it is possible to trigger
booting Chrome OS from the SD card by pressing '^U' on Gru
keyboard at the right time.
Change-Id: I5304bf47e030c0b9b7794752f30ffdca6c03a4f4
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: b5cc177
Original-Change-Id: I99883daa60562ccddfaeb858c1957d497f05a501
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/346632
Reviewed-on: https://review.coreboot.org/15032
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
| -rw-r--r-- | src/mainboard/google/gru/Kconfig | 2 | ||||
| -rw-r--r-- | src/mainboard/google/gru/bootblock.c | 7 |
2 files changed, 6 insertions, 3 deletions
diff --git a/src/mainboard/google/gru/Kconfig b/src/mainboard/google/gru/Kconfig index 48ae698b6b..39cbf081ec 100644 --- a/src/mainboard/google/gru/Kconfig +++ b/src/mainboard/google/gru/Kconfig @@ -56,7 +56,7 @@ config DRAM_SIZE_MB config EC_GOOGLE_CHROMEEC_SPI_BUS hex - default 0 + default 5 config BOOT_MEDIA_SPI_BUS int diff --git a/src/mainboard/google/gru/bootblock.c b/src/mainboard/google/gru/bootblock.c index a048188e0a..19e2cdebbb 100644 --- a/src/mainboard/google/gru/bootblock.c +++ b/src/mainboard/google/gru/bootblock.c @@ -59,11 +59,14 @@ void bootblock_mainboard_early_init(void) void bootblock_mainboard_init(void) { - /* select the pinmux for spi flashrom */ + /* Set pinmux and configure spi flashrom. */ write32(&rk3399_pmugrf->spi1_rxd, IOMUX_SPI1_RX); write32(&rk3399_pmugrf->spi1_csclktx, IOMUX_SPI1_CSCLKTX); - rockchip_spi_init(CONFIG_BOOT_MEDIA_SPI_BUS, 24750*KHz); + /* Set pinmux and configure EC flashrom. */ + write32(&rk3399_grf->iomux_spi5, IOMUX_SPI5); + rockchip_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS, 3093750); + setup_chromeos_gpios(); } |