diff options
| author | Shunqian Zheng <zhengsq@rock-chips.com> | 2016-04-13 22:34:39 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2016-05-09 08:42:43 +0200 |
| commit | 347c83cfc9310f640cd744856fc63e095a41680e (patch) | |
| tree | 6e9adbedad4eeb4c3ccd17352850b0bc81933f81 /src/mainboard/google/gru | |
| parent | a1f873f0695a4ee59184296d72f187810f701196 (diff) | |
rockchip: rk3399: add spi clock driver
This patch implements spi clock driver and initialize
SPI flash rom for the baseboard gru.
There are 6 on-chip SPI controllers inside RK3399. For
SPI3, it's source clk from ppll, while the others from gpll.
Please refer to CRU session of TRM for detail.
BRANCH=none
BUG=chrome-os-partner:51537
TEST=emerge-kevin coreboot
Change-Id: I597ae2cc8ba1bfaefdfbf6116027d009daa8e049
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4c6a9b0aedd427727ed4f4a821c5c54fb3a174b9
Original-Change-Id: I68ad859bf4fc5dacaaee5a2cd33418c729cf39b8
Original-Signed-off-by: huang lin <hl@rock-chips.com>
Original-Signed-off-by: Shunqian Zheng <zhengsq@rock-chips.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/338946
Original-Commit-Ready: Vadim Bendebury <vbendeb@chromium.org>
Original-Tested-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://review.coreboot.org/14710
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/mainboard/google/gru')
| -rw-r--r-- | src/mainboard/google/gru/bootblock.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/gru/bootblock.c b/src/mainboard/google/gru/bootblock.c index 1a99e8451c..d08b4cba69 100644 --- a/src/mainboard/google/gru/bootblock.c +++ b/src/mainboard/google/gru/bootblock.c @@ -17,6 +17,7 @@ #include <arch/io.h> #include <bootblock_common.h> #include <soc/grf.h> +#include <soc/spi.h> #include <console/console.h> void bootblock_mainboard_early_init(void) @@ -35,4 +36,9 @@ void bootblock_mainboard_early_init(void) void bootblock_mainboard_init(void) { + /* select the pinmux for 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); } |