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authorSeunghwan Kim <sh_.kim@samsung.corp-partner.google.com>2021-08-20 09:40:34 +0900
committerFelix Held <felix-coreboot@felixheld.de>2021-08-23 14:06:09 +0000
commit77fb9a0bb245acaa334cde2b4c72ff4dcf58f379 (patch)
tree0474ae743e3830e1f13bbb81798efd3284b8d221 /src
parente1028d5ee3255fa0b2ff17d27730fee732885cb9 (diff)
mb/google/dedede/var/bugzzy: Configure GPIO settings
Override GPIO pad configurations based on the latest bugzzy schematics. BUG=b:192521391 BRANCH=None TEST=Built test coreboot image and boot on bugzzy board Change-Id: I7c3580e7eb34efed0441ead243343d2d7875d50f Signed-off-by: Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57056 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/dedede/variants/bugzzy/Makefile.inc3
-rw-r--r--src/mainboard/google/dedede/variants/bugzzy/gpio.c58
2 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc b/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc
new file mode 100644
index 0000000000..eb2c9bc021
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/bugzzy/Makefile.inc
@@ -0,0 +1,3 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
+ramstage-y += gpio.c
diff --git a/src/mainboard/google/dedede/variants/bugzzy/gpio.c b/src/mainboard/google/dedede/variants/bugzzy/gpio.c
new file mode 100644
index 0000000000..ce88b5e56b
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/bugzzy/gpio.c
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+ /* A10 : WWAN_EN */
+ PAD_CFG_GPO(GPP_A10, 1, PWROK),
+ /* A11 : TOUCH_RPT_EN ==> NC */
+ PAD_NC(GPP_A11, NONE),
+
+ /* B7 : PCIE_CLKREQ2_N ==> WWAN_SAR_DETECT_ODL*/
+ PAD_CFG_GPO(GPP_B7, 1, DEEP),
+ /* B8 : WLAN_CLKREQ_ODL ==> NC */
+ PAD_NC(GPP_B8, NONE),
+
+ /* D0 : WWAN_HOST_WAKE ==> WWAN_WDISABLE_L */
+ PAD_CFG_GPO(GPP_D0, 1, DEEP),
+ /* D1 : WLAN_PERST_L ==> NC */
+ PAD_NC(GPP_D1, NONE),
+ /* D3 : WLAN_PCIE_WAKE_ODL ==> NC */
+ PAD_NC(GPP_D3, NONE),
+ /* D7 : EMR_INT_ODL */
+ PAD_CFG_GPI_APIC(GPP_D7, NONE, PLTRST, LEVEL, INVERT),
+ /* D13 : EN_PP3300_CAMERA */
+ PAD_CFG_GPO(GPP_D13, 0, PLTRST),
+ /* D15 : EN_PP2800_CAMERA */
+ PAD_CFG_GPO(GPP_D15, 0, PLTRST),
+ /* D19 : WWAN_WLAN_COEX1 ==> NC */
+ PAD_NC(GPP_D19, NONE),
+ /* D20 : WWAN_WLAN_COEX2 ==> NC */
+ PAD_NC(GPP_D20, NONE),
+ /* D21 : WWAN_WLAN_COEX3 ==> NC */
+ PAD_NC(GPP_D21, NONE),
+ /* D22 : AP_I2C_SUB_SDA*/
+ PAD_CFG_NF(GPP_D22, NONE, DEEP, NF1),
+ /* D23 : AP_I2C_SUB_SCL */
+ PAD_CFG_NF(GPP_D23, NONE, DEEP, NF1),
+
+ /* E0 : CLK_24M_UCAM ==> NC */
+ PAD_NC(GPP_E0, NONE),
+ /* E1 : EMR_RESET_L */
+ PAD_CFG_GPO(GPP_E1, 0, DEEP),
+ /* E13 : DDI0_DDC_SCL */
+ PAD_CFG_NF(GPP_E13, NONE, DEEP, NF1),
+ /* E14 : DDI0_DDC_SDA */
+ PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
+
+ /* H17 : WWAN_RST_L */
+ PAD_CFG_GPO(GPP_H17, 0, PLTRST),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(gpio_table);
+ return gpio_table;
+}