summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorDtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>2021-03-18 18:01:47 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-03-25 07:49:17 +0000
commit4119391a8e02578b514a16735aa845366d05c774 (patch)
tree25c416c71a856aa422eb720016eb93b6ce2f4447 /src
parente3f816c7bb77b415f53f89bf678cba2e7fbb1440 (diff)
downloadcoreboot-4119391a8e02578b514a16735aa845366d05c774.tar.xz
mb/google/dedede/var/cret: Configure GPIO
Follow schematic to modify some GPIO pins. GPP_C12 - NC Pin, UP_20K GPP_C18 - NC Pin GPP_C19 - NC Pin GPP_C22 - NC Pin, UP_20K GPP_D12 - NC Pin GPP_D14 - NC Pin GPP_D15 - NC Pin GPP_D19 - NC Pin GPP_D20 - NC Pin GPP_E0 - NC Pin GPP_E2 - NC Pin GPP_H1 - NC Pin GPP_H6 - NC Pin GPP_H7 - NC Pin GPP_G0 - NC Pin GPP_G1 - NC Pin GPP_G2 - NC Pin GPP_G3 - NC Pin GPP_G4 - NC Pin GPP_G5 - NC Pin, UP_20K GPP_G6 - NC Pin GPP_G7 - NC Pin BUG=b:183078393 BRANCH=dedede TEST=Build the cret board. Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> Change-Id: Id966884f3e36303b636fa13ef9baecccae87604a Reviewed-on: https://review.coreboot.org/c/coreboot/+/51629 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/cret/Makefile.inc3
-rw-r--r--src/mainboard/google/dedede/variants/cret/gpio.c58
2 files changed, 61 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/cret/Makefile.inc b/src/mainboard/google/dedede/variants/cret/Makefile.inc
new file mode 100644
index 0000000000..eb2c9bc021
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/cret/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/cret/gpio.c b/src/mainboard/google/dedede/variants/cret/gpio.c
new file mode 100644
index 0000000000..cb562212ae
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/cret/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 override_gpio_table[] = {
+ /* C12 : AP_PEN_DET_ODL ==> NC */
+ PAD_NC(GPP_C12, UP_20K),
+ /* C18 : AP_I2C_EMR_SDA */
+ PAD_NC(GPP_C18, NONE),
+ /* C19 : AP_I2C_EMR_SCL */
+ PAD_NC(GPP_C19, NONE),
+ /* C22 : UART2_RTS_N ==> NC */
+ PAD_NC(GPP_C22, UP_20K),
+ /* D12 : WCAM_RST_L ==> NC */
+ PAD_NC(GPP_D12, NONE),
+ /* D14 : EN_PP1200_CAMERA ==> NC */
+ PAD_NC(GPP_D14, NONE),
+ /* D15 : UCAM_RST_L ==> NC */
+ PAD_NC(GPP_D15, NONE),
+ /* D19 : WWAN_WLAN_COEX1 ==> NC */
+ PAD_NC(GPP_D19, NONE),
+ /* D20 : WWAN_WLAN_COEX2 ==> NC */
+ PAD_NC(GPP_D20, NONE),
+ /* E0 : CLK_24M_UCAM ==> NC */
+ PAD_NC(GPP_E0, NONE),
+ /* E2 : CLK_24M_WCAM ==> NC */
+ PAD_NC(GPP_E2, NONE),
+ /* H1 : EN_PP3300_SD_U ==> NC */
+ PAD_NC(GPP_H1, NONE),
+ /* H6 : AP_I2C_CAM_SDA ==> NC */
+ PAD_NC(GPP_H6, NONE),
+ /* H7 : AP_I2C_CAM_SCL ==> NC */
+ PAD_NC(GPP_H7, NONE),
+ /* G0 : SD_CMD ==> NC */
+ PAD_NC(GPP_G0, NONE),
+ /* G1 : SD_DATA0 ==> NC */
+ PAD_NC(GPP_G1, NONE),
+ /* G2 : SD_DATA1 ==> NC */
+ PAD_NC(GPP_G2, NONE),
+ /* G3 : SD_DATA2 ==> NC */
+ PAD_NC(GPP_G3, NONE),
+ /* G4 : SD_DATA3 ==> NC */
+ PAD_NC(GPP_G4, NONE),
+ /* G5 : SD_CD_ODL ==> NC */
+ PAD_NC(GPP_G5, UP_20K),
+ /* G6 : SD_CLK ==> NC */
+ PAD_NC(GPP_G6, NONE),
+ /* G7 : SD_SDIO_WP ==> NC */
+ PAD_NC(GPP_G7, NONE),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(override_gpio_table);
+ return override_gpio_table;
+}