From 24c6355741e9f68fb2304be0dcdadfb25570b787 Mon Sep 17 00:00:00 2001 From: Wenbin Mei Date: Wed, 24 Feb 2021 15:17:41 +0800 Subject: soc/mediatek/mt8195: Configure eMMC and SDCard Change-Id: I0ed82e860612e8a62f361e60d217280f775ab239 Signed-off-by: Wenbin Mei Signed-off-by: Yidi Lin Reviewed-on: https://review.coreboot.org/c/coreboot/+/53895 Reviewed-by: Yu-Ping Wu Tested-by: build bot (Jenkins) --- src/mainboard/google/cherry/Makefile.inc | 1 + src/mainboard/google/cherry/mainboard.c | 118 +++++++++++++++++++++++++++++++ 2 files changed, 119 insertions(+) create mode 100644 src/mainboard/google/cherry/mainboard.c (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/cherry/Makefile.inc b/src/mainboard/google/cherry/Makefile.inc index a1aa2fd730..4720dc586f 100644 --- a/src/mainboard/google/cherry/Makefile.inc +++ b/src/mainboard/google/cherry/Makefile.inc @@ -12,4 +12,5 @@ romstage-y += romstage.c ramstage-y += memlayout.ld ramstage-y += chromeos.c +ramstage-y += mainboard.c ramstage-y += reset.c diff --git a/src/mainboard/google/cherry/mainboard.c b/src/mainboard/google/cherry/mainboard.c new file mode 100644 index 0000000000..37d3d1c6e2 --- /dev/null +++ b/src/mainboard/google/cherry/mainboard.c @@ -0,0 +1,118 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +DEFINE_BITFIELD(MSDC0_DRV, 29, 0) +DEFINE_BITFIELD(MSDC1_DRV, 17, 0) +DEFINE_BITFIELD(MSDC1_GPIO_MODE0_0, 26, 24) +DEFINE_BITFIELD(MSDC1_GPIO_MODE0_1, 30, 28) +DEFINE_BITFIELD(MSDC1_GPIO_MODE1_0, 2, 0) +DEFINE_BITFIELD(MSDC1_GPIO_MODE1_1, 6, 4) +DEFINE_BITFIELD(MSDC1_GPIO_MODE1_2, 10, 8) +DEFINE_BITFIELD(MSDC1_GPIO_MODE1_3, 14, 12) + +#define MSDC0_DRV_VALUE 0x1b6db6db +#define MSDC1_DRV_VALUE 0x1b6db +#define MSDC1_GPIO_MODE0_VALUE 0x1 +#define MSDC1_GPIO_MODE1_VALUE 0x1 + +enum { + MSDC1_GPIO_MODE0_BASE = 0x100053d0, + MSDC1_GPIO_MODE1_BASE = 0x100053e0, +}; + +static void configure_emmc(void) +{ + void *gpio_base = (void *)IOCFG_TL_BASE; + int i; + + const gpio_t emmc_pu_pin[] = { + GPIO(EMMC_DAT0), GPIO(EMMC_DAT1), + GPIO(EMMC_DAT2), GPIO(EMMC_DAT3), + GPIO(EMMC_DAT4), GPIO(EMMC_DAT5), + GPIO(EMMC_DAT6), GPIO(EMMC_DAT7), + GPIO(EMMC_CMD), GPIO(EMMC_RSTB), + }; + + const gpio_t emmc_pd_pin[] = { + GPIO(EMMC_DSL), GPIO(EMMC_CLK), + }; + + for (i = 0; i < ARRAY_SIZE(emmc_pu_pin); i++) + gpio_set_pull(emmc_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP); + + for (i = 0; i < ARRAY_SIZE(emmc_pd_pin); i++) + gpio_set_pull(emmc_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN); + + /* set eMMC cmd/dat/clk/ds/rstb pins driving to 8mA */ + SET32_BITFIELDS(gpio_base, MSDC0_DRV, MSDC0_DRV_VALUE); +} + +static void configure_sdcard(void) +{ + void *gpio_base = (void *)IOCFG_RB_BASE; + void *gpio_mode0_base = (void *)MSDC1_GPIO_MODE0_BASE; + void *gpio_mode1_base = (void *)MSDC1_GPIO_MODE1_BASE; + int i; + + const gpio_t sdcard_pu_pin[] = { + GPIO(MSDC1_DAT0), GPIO(MSDC1_DAT1), + GPIO(MSDC1_DAT2), GPIO(MSDC1_DAT3), + GPIO(MSDC1_CMD), + }; + + const gpio_t sdcard_pd_pin[] = { + GPIO(MSDC1_CLK), + }; + + for (i = 0; i < ARRAY_SIZE(sdcard_pu_pin); i++) + gpio_set_pull(sdcard_pu_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_UP); + + for (i = 0; i < ARRAY_SIZE(sdcard_pd_pin); i++) + gpio_set_pull(sdcard_pd_pin[i], GPIO_PULL_ENABLE, GPIO_PULL_DOWN); + + /* set sdcard cmd/dat/clk pins driving to 8mA */ + SET32_BITFIELDS(gpio_base, MSDC1_DRV, MSDC1_DRV_VALUE); + + /* set sdcard dat2/dat0/dat3/cmd/clk pins to msdc1 mode */ + SET32_BITFIELDS(gpio_mode0_base, + MSDC1_GPIO_MODE0_0, MSDC1_GPIO_MODE0_VALUE, + MSDC1_GPIO_MODE0_1, MSDC1_GPIO_MODE0_VALUE); + + /* set sdcard dat1 pin to msdc1 mode */ + SET32_BITFIELDS(gpio_mode1_base, + MSDC1_GPIO_MODE1_0, MSDC1_GPIO_MODE1_VALUE, + MSDC1_GPIO_MODE1_1, MSDC1_GPIO_MODE1_VALUE, + MSDC1_GPIO_MODE1_2, MSDC1_GPIO_MODE1_VALUE, + MSDC1_GPIO_MODE1_3, MSDC1_GPIO_MODE1_VALUE); + + mtk_i2c_bus_init(7); + mt6360_init(7); + mt6360_ldo_enable(MT6360_LDO3, 1); + mt6360_ldo_enable(MT6360_LDO5, 1); +} + +static void mainboard_init(struct device *dev) +{ + configure_emmc(); + configure_sdcard(); +} + +static void mainboard_enable(struct device *dev) +{ + dev->ops->init = &mainboard_init; +} + +struct chip_operations mainboard_ops = { + .name = CONFIG_MAINBOARD_PART_NUMBER, + .enable_dev = mainboard_enable, +}; -- cgit v1.2.3