From 0de3e6570e5facde42056fe36694d5e7804b2969 Mon Sep 17 00:00:00 2001 From: Wisley Chen Date: Wed, 29 Dec 2021 11:18:52 +0600 Subject: mb/google/brya/anahera{4es}: Correct SSD power sequence M.2 spec describes PERST# should be sequenced after power enable. BUG=b:213021171 TEST=FW_NAME=redrix emerge-brya coreboot Change-Id: I66345d985f4db4f13b23c0a21c179835908b6574 Signed-off-by: Wisley Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/60434 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- src/mainboard/google/brya/variants/anahera/Makefile.inc | 2 +- src/mainboard/google/brya/variants/anahera/gpio.c | 17 +++++++++++++++++ .../google/brya/variants/anahera4es/Makefile.inc | 2 +- src/mainboard/google/brya/variants/anahera4es/gpio.c | 17 +++++++++++++++++ 4 files changed, 36 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/mainboard/google/brya/variants/anahera/Makefile.inc b/src/mainboard/google/brya/variants/anahera/Makefile.inc index f2a624c0e8..c8a67babe4 100644 --- a/src/mainboard/google/brya/variants/anahera/Makefile.inc +++ b/src/mainboard/google/brya/variants/anahera/Makefile.inc @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only bootblock-y += gpio.c - +romstage-y += gpio.c ramstage-y += gpio.c ramstage-$(CONFIG_FW_CONFIG) += fw_config.c diff --git a/src/mainboard/google/brya/variants/anahera/gpio.c b/src/mainboard/google/brya/variants/anahera/gpio.c index 4ab457bdeb..caf23c21fc 100644 --- a/src/mainboard/google/brya/variants/anahera/gpio.c +++ b/src/mainboard/google/brya/variants/anahera/gpio.c @@ -128,12 +128,23 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2), /* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */ PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2), + /* + * enable EN_PP3300_SSD in bootblock, then PERST# is asserted, and + * then deassert PERST# in romstage + */ /* H13 : I2C7_SCL ==> EN_PP3300_SD */ PAD_CFG_GPO(GPP_H13, 1, DEEP), + /* B4 : PROC_GP3 ==> SSD_PERST_L */ + PAD_CFG_GPO(GPP_B4, 0, DEEP), /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_MMC */ PAD_CFG_GPO(GPP_E20, 1, DEEP), }; +static const struct pad_config romstage_gpio_table[] = { + /* B4 : PROC_GP3 ==> SSD_PERST_L */ + PAD_CFG_GPO(GPP_B4, 1, DEEP), +}; + const struct pad_config *variant_gpio_override_table(size_t *num) { *num = ARRAY_SIZE(override_gpio_table); @@ -145,3 +156,9 @@ const struct pad_config *variant_early_gpio_table(size_t *num) *num = ARRAY_SIZE(early_gpio_table); return early_gpio_table; } + +const struct pad_config *variant_romstage_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(romstage_gpio_table); + return romstage_gpio_table; +} diff --git a/src/mainboard/google/brya/variants/anahera4es/Makefile.inc b/src/mainboard/google/brya/variants/anahera4es/Makefile.inc index f2a624c0e8..c8a67babe4 100644 --- a/src/mainboard/google/brya/variants/anahera4es/Makefile.inc +++ b/src/mainboard/google/brya/variants/anahera4es/Makefile.inc @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0-only bootblock-y += gpio.c - +romstage-y += gpio.c ramstage-y += gpio.c ramstage-$(CONFIG_FW_CONFIG) += fw_config.c diff --git a/src/mainboard/google/brya/variants/anahera4es/gpio.c b/src/mainboard/google/brya/variants/anahera4es/gpio.c index 4ab457bdeb..caf23c21fc 100644 --- a/src/mainboard/google/brya/variants/anahera4es/gpio.c +++ b/src/mainboard/google/brya/variants/anahera4es/gpio.c @@ -128,12 +128,23 @@ static const struct pad_config early_gpio_table[] = { PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2), /* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */ PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2), + /* + * enable EN_PP3300_SSD in bootblock, then PERST# is asserted, and + * then deassert PERST# in romstage + */ /* H13 : I2C7_SCL ==> EN_PP3300_SD */ PAD_CFG_GPO(GPP_H13, 1, DEEP), + /* B4 : PROC_GP3 ==> SSD_PERST_L */ + PAD_CFG_GPO(GPP_B4, 0, DEEP), /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_MMC */ PAD_CFG_GPO(GPP_E20, 1, DEEP), }; +static const struct pad_config romstage_gpio_table[] = { + /* B4 : PROC_GP3 ==> SSD_PERST_L */ + PAD_CFG_GPO(GPP_B4, 1, DEEP), +}; + const struct pad_config *variant_gpio_override_table(size_t *num) { *num = ARRAY_SIZE(override_gpio_table); @@ -145,3 +156,9 @@ const struct pad_config *variant_early_gpio_table(size_t *num) *num = ARRAY_SIZE(early_gpio_table); return early_gpio_table; } + +const struct pad_config *variant_romstage_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(romstage_gpio_table); + return romstage_gpio_table; +} -- cgit v1.2.3