Marc Jones (marc.jones@se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8716
-gerrit
commit f77f776c0135b6b37fb57d0c89332dcbf5dffb99 Author: Furquan Shaikh furquan@google.com Date: Fri Jul 25 17:32:54 2014 -0700
rush: Add MMC support
BUG=None BRANCH=None TEST=Compiles successfully. Depthcharge is able to see mmc.
Original-Change-Id: Ia0c9b432fa447c64fa13e5fae5a66a26bbc86360 Original-Signed-off-by: Furquan Shaikh furquan@google.com Original-Reviewed-on: https://chromium-review.googlesource.com/210002 Original-Tested-by: Furquan Shaikh furquan@chromium.org Original-Reviewed-by: Aaron Durbin adurbin@chromium.org Original-Commit-Queue: Aaron Durbin adurbin@chromium.org (cherry picked from commit 4cb05ffa95a2a36c5b4606d2f0efe9e574b84e1d) Signed-off-by: Marc Jones marc.jones@se-eng.com
Change-Id: I7f9a27a4c0f0553e78fc1a289bffebbebd37c099 --- src/mainboard/google/rush/mainboard.c | 67 +++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+)
diff --git a/src/mainboard/google/rush/mainboard.c b/src/mainboard/google/rush/mainboard.c index 9b8e354..6db314f 100644 --- a/src/mainboard/google/rush/mainboard.c +++ b/src/mainboard/google/rush/mainboard.c @@ -20,8 +20,75 @@ #include <device/device.h> #include <boot/coreboot_tables.h>
+#include <soc/clock.h> +#include <soc/nvidia/tegra132/gpio.h> +#include <soc/nvidia/tegra132/clk_rst.h> +#include <soc/addressmap.h> + +static struct clk_rst_ctlr *clk_rst = (void *)TEGRA_CLK_RST_BASE; + +static void init_mmc(void) +{ + clock_configure_source(sdmmc3, PLLP, 48000); + clock_configure_source(sdmmc4, PLLP, 48000); + + uint32_t pin_up = PINMUX_PULL_UP | PINMUX_INPUT_ENABLE, + pin_down = PINMUX_PULL_DOWN | PINMUX_INPUT_ENABLE, + pin_none = PINMUX_PULL_NONE | PINMUX_INPUT_ENABLE; + + // MMC3 (sdcard reader) + pinmux_set_config(PINMUX_SDMMC3_CLK_INDEX, + PINMUX_SDMMC3_CLK_FUNC_SDMMC3 | pin_none); + pinmux_set_config(PINMUX_SDMMC3_CMD_INDEX, + PINMUX_SDMMC3_CMD_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT0_INDEX, + PINMUX_SDMMC3_DAT0_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT1_INDEX, + PINMUX_SDMMC3_DAT1_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT2_INDEX, + PINMUX_SDMMC3_DAT2_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_DAT3_INDEX, + PINMUX_SDMMC3_DAT3_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_IN_INDEX, + PINMUX_SDMMC3_CLK_LB_IN_FUNC_SDMMC3 | pin_up); + pinmux_set_config(PINMUX_SDMMC3_CLK_LB_OUT_INDEX, + PINMUX_SDMMC3_CLK_LB_OUT_FUNC_SDMMC3 | pin_down); + + // MMC3 Card Detect pin. + gpio_input_pullup(GPIO(V2)); + // Disable SD card reader power so it can be reset even on warm boot. + // Payloads must enable power before accessing SD card slots. + gpio_output(GPIO(R0), 0); + + // MMC4 (eMMC) + pinmux_set_config(PINMUX_SDMMC4_CLK_INDEX, + PINMUX_SDMMC4_CLK_FUNC_SDMMC4 | pin_none); + pinmux_set_config(PINMUX_SDMMC4_CMD_INDEX, + PINMUX_SDMMC4_CMD_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT0_INDEX, + PINMUX_SDMMC4_DAT0_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT1_INDEX, + PINMUX_SDMMC4_DAT1_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT2_INDEX, + PINMUX_SDMMC4_DAT2_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT3_INDEX, + PINMUX_SDMMC4_DAT3_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT4_INDEX, + PINMUX_SDMMC4_DAT4_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT5_INDEX, + PINMUX_SDMMC4_DAT5_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT6_INDEX, + PINMUX_SDMMC4_DAT6_FUNC_SDMMC4 | pin_up); + pinmux_set_config(PINMUX_SDMMC4_DAT7_INDEX, + PINMUX_SDMMC4_DAT7_FUNC_SDMMC4 | pin_up); + +} + static void mainboard_init(device_t dev) { + clock_enable_clear_reset(CLK_L_SDMMC4, 0, CLK_U_SDMMC3, 0, 0, 0); + + init_mmc(); }
static void mainboard_enable(device_t dev)