mb/google/poppy: Config GPIO for DMIC by different sku id

BUG=b:74177699
BRANCH=poppy
TEST=Verify audio recorder function by different SKU ID

Change-Id: Ic6570703f6ab4a1b03cbba8370fc0f597ab6bcf2
Signed-off-by: amanda_hwang <amanda_hwang@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/25148
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/mainboard/google/poppy/ramstage.c

@@ -25,6 +25,8 @@ void mainboard_silicon_init_params(FSP_SIL_UPD *params)
 	variant_devtree_update();
 	pads = variant_gpio_table(&num);
 	gpio_configure_pads(pads, num);
+	pads = variant_sku_gpio_table(&num);
+	gpio_configure_pads(pads, num);
 }
 
 void __attribute__((weak)) variant_devtree_update(void)

src/mainboard/google/poppy/variants/baseboard/gpio.c

@@ -384,6 +384,14 @@ const struct pad_config * __attribute__((weak))
 	return early_gpio_table;
 }
 
+/* override specific gpio by sku id */
+const struct pad_config * __attribute__((weak))
+	variant_sku_gpio_table(size_t *num)
+{
+	*num = 0;
+	return NULL;
+}
+
 static const struct cros_gpio cros_gpios[] = {
 	CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
 	CROS_GPIO_WP_AH(GPIO_PCH_WP, CROS_GPIO_DEVICE_NAME),

src/mainboard/google/poppy/variants/baseboard/include/baseboard/variants.h

@@ -28,6 +28,8 @@ const struct pad_config *variant_gpio_table(size_t *num);
 const struct pad_config *variant_early_gpio_table(size_t *num);
 
 const struct cros_gpio *variant_cros_gpios(size_t *num);
+/* Config gpio by different sku id */
+const struct pad_config *variant_sku_gpio_table(size_t *num);
 
 enum memory_type {
 	MEMORY_LPDDR3,
@@ -51,6 +53,7 @@ struct memory_params {
 void variant_memory_params(struct memory_params *p);
 int variant_memory_sku(void);
 void variant_devtree_update(void);
+uint16_t variant_board_sku(void);
 
 struct nhlt;
 void variant_nhlt_init(struct nhlt *nhlt);

src/mainboard/google/poppy/variants/nami/gpio.c

@@ -16,6 +16,7 @@
 #include <baseboard/gpio.h>
 #include <baseboard/variants.h>
 #include <commonlib/helpers.h>
+#include <variant/sku.h>
 
 /* Pad configuration in ramstage */
 /* Leave eSPI pins untouched from default settings */
@@ -194,8 +195,6 @@ static const struct pad_config gpio_table[] = {
 	PAD_CFG_NC(GPP_D15),
 	/* D16 : ISH_UART0_CTS# ==> NC */
 	PAD_CFG_NC(GPP_D16),
-	/* D17 : DMIC_CLK1 ==> SOC_DMIC_CLK1 */
-	PAD_CFG_NF(GPP_D17, NONE, DEEP, NF1),
 	/* D18 : DMIC_DATA1 ==> SOC_DMIC_DATA1 */
 	PAD_CFG_NF(GPP_D18, NONE, DEEP, NF1),
 	/* D19 : DMIC_CLK0 ==> SOC_DMIC_CLK0 */
@@ -386,3 +385,31 @@ const struct pad_config *variant_early_gpio_table(size_t *num)
 	*num = ARRAY_SIZE(early_gpio_table);
 	return early_gpio_table;
 }
+
+static const struct pad_config nami_default_sku_gpio_table[] = {
+	/* D17 : DMIC_CLK1 ==> SOC_DMIC_CLK1 */
+	PAD_CFG_NF(GPP_D17, NONE, DEEP, NF1),
+};
+
+static const struct pad_config vayne_sku_gpio_table[] = {
+	/* D17 : DMIC_CLK1 ==> NC */
+	PAD_CFG_NC(GPP_D17),
+};
+
+const struct pad_config *variant_sku_gpio_table(size_t *num)
+{
+	uint16_t sku_id = variant_board_sku();
+	const struct pad_config *board_gpio_tables;
+	switch (sku_id) {
+	case SKU_1_VAYNE:
+	case SKU_2_VAYNE:
+		*num = ARRAY_SIZE(vayne_sku_gpio_table);
+		board_gpio_tables = vayne_sku_gpio_table;
+		break;
+	default:
+		*num = ARRAY_SIZE(nami_default_sku_gpio_table);
+		board_gpio_tables = nami_default_sku_gpio_table;
+		break;
+	}
+	return board_gpio_tables;
+}

src/mainboard/google/poppy/variants/nami/include/variant/sku.h

@@ -0,0 +1,24 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2018 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MAINBOARD_SKU_H__
+#define __MAINBOARD_SKU_H__
+
+#define SKU_UNKNOWN	0xFFFF
+#define SKU_0_NAMI	0x3A7B
+#define SKU_1_VAYNE	0x3A63
+#define SKU_2_VAYNE	0x3A7F
+
+#endif /* __MAINBOARD_SKU_H__ */

src/mainboard/google/poppy/variants/nami/mainboard.c

@@ -22,13 +22,9 @@
 #include <smbios.h>
 #include <soc/ramstage.h>
 #include <string.h>
+#include <variant/sku.h>
 
-#define SKU_UNKNOWN	0xFFFF
+uint16_t variant_board_sku(void)
-#define SKU_0_NAMI	0x3A7B
-#define SKU_1_VAYNE	0x3A63
-#define SKU_2_VAYNE	0x3A7F
-
-static uint16_t board_sku_id(void)
 {
 	static int sku_id = -1;
 	uint32_t id;
@@ -43,7 +39,7 @@ static uint16_t board_sku_id(void)
 void variant_devtree_update(void)
 {
 	/* Override dev tree settings per board */
-	uint16_t sku_id = board_sku_id();
+	uint16_t sku_id = variant_board_sku();
 	device_t root = SA_DEV_ROOT;
 	config_t *cfg = root->chip_info;
 	switch (sku_id) {
@@ -59,7 +55,7 @@ const char *smbios_mainboard_sku(void)
 {
 	static char sku_str[9]; /* sku{0..65535} (basically up to FFFF) */
 
-	snprintf(sku_str, sizeof(sku_str), "sku%d", board_sku_id());
+	snprintf(sku_str, sizeof(sku_str), "sku%d", variant_board_sku());
 
 	return sku_str;
 }