mb/google/brya/var/brask: Correct SSD power sequence
M.2 spec describes PERST# should be sequenced after power enable. BUG=b:197385770 TEST=emerge-brask coreboot and verify it builds without error. Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com> Change-Id: Ia7e5c7b1a2194d53d98865d33cf1bc6111572876 Reviewed-on: https://review.coreboot.org/c/coreboot/+/58463 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
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@@ -1,4 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0-only
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bootblock-y += gpio.c
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romstage-y += gpio.c
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ramstage-y += gpio.c
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@@ -10,6 +10,8 @@
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static const struct pad_config early_gpio_table[] = {
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/* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */
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PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
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/* B4 : PROC_GP3 ==> SSD_PERST_L */
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PAD_CFG_GPO(GPP_B4, 0, DEEP),
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/* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */
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PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2),
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/* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */
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@@ -25,6 +27,8 @@ static const struct pad_config early_gpio_table[] = {
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PAD_CFG_GPO(GPP_D1, 0, DEEP),
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/* D2 : ISH_GP2 ==> EN_FP_PWR */
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PAD_CFG_GPO(GPP_D2, 1, DEEP),
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/* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */
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PAD_CFG_GPO(GPP_D11, 1, DEEP),
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/* E15 : RSVD_TP ==> PCH_WP_OD */
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PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP),
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/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
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@@ -59,8 +63,19 @@ static const struct pad_config early_gpio_table[] = {
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PAD_CFG_NF_VWEN(GPP_vGPIO_PCIE_79, NONE, DEEP, NF1),
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};
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static const struct pad_config romstage_gpio_table[] = {
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/* B4 : PROC_GP3 ==> SSD_PERST_L */
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PAD_CFG_GPO(GPP_B4, 1, DEEP),
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};
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const struct pad_config *variant_early_gpio_table(size_t *num)
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{
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*num = ARRAY_SIZE(early_gpio_table);
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return early_gpio_table;
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}
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const struct pad_config *variant_romstage_gpio_table(size_t *num)
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{
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*num = ARRAY_SIZE(romstage_gpio_table);
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return romstage_gpio_table;
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}
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