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
Reviewed-on: http://review.coreboot.org/8716
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
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)