[M] Change in coreboot[master]: mb/google/nissa/var/craaskov: Configure GPIOs according to schematics

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/76636?usp=email )

Change subject: mb/google/nissa/var/craaskov: Configure GPIOs according to schematics
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mb/google/nissa/var/craaskov: Configure GPIOs according to schematics

Configure GPIOs based on schematics and confirm with EE.

BUG=b:290248526
BRANCH=None
TEST=emerge-nissa coreboot

Change-Id: I17fc9333a0ef592ea36b196b3fd417be47fb82bb
Signed-off-by: Rex Chou 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76636
Tested-by: build bot (Jenkins) 
Reviewed-by: Derek Huang 
Reviewed-by: Eric Lai 
Reviewed-by: Ian Feng 
Reviewed-by: Sumeet R Pawnikar 
---
A src/mainboard/google/brya/variants/craaskov/Makefile.inc
A src/mainboard/google/brya/variants/craaskov/gpio.c
2 files changed, 82 insertions(+), 0 deletions(-)

Approvals:
  Derek Huang: Looks good to me, approved
  build bot (Jenkins): Verified
  Sumeet R Pawnikar: Looks good to me, approved
  Eric Lai: Looks good to me, approved
  Ian Feng: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/craaskov/Makefile.inc b/src/mainboard/google/brya/variants/craaskov/Makefile.inc
new file mode 100644
index 0000000..760ef23
--- /dev/null
+++ b/src/mainboard/google/brya/variants/craaskov/Makefile.inc
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+bootblock-y += gpio.c
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/brya/variants/craaskov/gpio.c b/src/mainboard/google/brya/variants/craaskov/gpio.c
new file mode 100644
index 0000000..f3ed2c5
--- /dev/null
+++ b/src/mainboard/google/brya/variants/craaskov/gpio.c
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+#include <soc/gpio.h>
+
+/* Pad configuration in ramstage */
+static const struct pad_config override_gpio_table[] = {
+	/* A21 : GPP_A21 ==> NC */
+	PAD_NC(GPP_A21, NONE),
+	/* A21 : GPP_A22 ==> NC */
+	PAD_NC(GPP_A22, NONE),
+	/* B5  : I2C2_SDA ==> TOF_I2C_DAT */
+	PAD_CFG_NF_LOCK(GPP_B5, NONE, NF1, LOCK_CONFIG),
+	/* B6  : I2C2_SCL ==> TOF_I2C_CLK */
+	PAD_CFG_NF_LOCK(GPP_B6, NONE, NF1, LOCK_CONFIG),
+	/* D3  : ISH_GP3 ==> NC */
+	PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG),
+	/* D8  : SRCCLKREQ3# ==> NC */
+	PAD_NC(GPP_D8, NONE),
+	/* D15 : ISH_UART0_RTS# ==> NC */
+	PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
+	/* D16 : ISH_UART0_CTS# ==> NC */
+	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
+	/* F6  : CNV_PA_BLANKING ==> NC */
+	PAD_NC(GPP_F6, NONE),
+	/* F13 : SOC_PEN_DETECT_R_ODL ==> NC */
+	PAD_NC(GPP_F13, NONE),
+	/* F15 : SOC_PEN_DETECT_ODL ==> NC */
+	PAD_NC_LOCK(GPP_F15, NONE, LOCK_CONFIG),
+	/* H8  : CNV_MFUART2_RXD ==> NC */
+	PAD_NC(GPP_H8, NONE),
+	/* H9  : CNV_MFUART2_TXD ==> NC */
+	PAD_NC(GPP_H9, NONE),
+	/* H12 : UART0_RTS# ==> NC */
+	PAD_NC_LOCK(GPP_H12, NONE, LOCK_CONFIG),
+	/* H13 : UART0_CTS# ==> NC */
+	PAD_NC_LOCK(GPP_H13, NONE, LOCK_CONFIG),
+	/* H19 : SRCCLKREQ4# ==> TOF_INT# */
+	PAD_CFG_GPI_INT(GPP_H19, NONE, PLTRST, EDGE_BOTH),
+	/* H22 : IMGCLKOUT3 ==> NC */
+	PAD_NC(GPP_H22, NONE),
+	/* R6  : DMIC_CLK_A_1A ==> NC */
+	PAD_NC(GPP_R6, NONE),
+	/* R7  : DMIC_DATA_1A ==> NC */
+	PAD_NC(GPP_R7, NONE),
+};
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+	/* A13 : GPP_A13 ==> GSC_SOC_INT_ODL */
+	PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT),
+	/* E12 : THC0_SPI1_IO1 ==> SOC_WP_OD */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_E12, NONE, DEEP),
+	/* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */
+	PAD_CFG_GPI(GPP_F18, NONE, DEEP),
+	/* H4  : I2C0_SDA ==> SOC_I2C_GSC_SDA */
+	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
+	/* H5  : I2C0_SCL ==> SOC_I2C_GSC_SCL */
+	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
+	/* H10 : UART0_RXD ==> UART_SOC_RX_DBG_TX */
+	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
+	/* H11 : UART0_TXD ==> UART_SOC_TX_DBG_RX */
+	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
+};
+
+const struct pad_config *variant_gpio_override_table(size_t *num)
+{
+	*num = ARRAY_SIZE(override_gpio_table);
+	return override_gpio_table;
+}
+
+const struct pad_config *variant_early_gpio_table(size_t *num)
+{
+	*num = ARRAY_SIZE(early_gpio_table);
+	return early_gpio_table;
+}