[coreboot-gerrit] Change in ...coreboot[master]: mainboard/google/kahlee: Add romstage GPIO initialization

Martin Roth (Code Review) gerrit at coreboot.org
Tue Dec 4 23:31:40 CET 2018


Martin Roth has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30039


Change subject: mainboard/google/kahlee: Add romstage GPIO initialization
......................................................................

mainboard/google/kahlee: Add romstage GPIO initialization

Move the backlight initialization from bootblock to romstage

BUG=b:120436919
TEST=Careena backlight is enabled

Change-Id: Ia4993b993d37afaf9e23d6f3316ba91053732f1d
Signed-off-by: Martin Roth <martinroth at chromium.org>
---
M src/mainboard/google/kahlee/romstage.c
M src/mainboard/google/kahlee/variants/baseboard/gpio.c
M src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
3 files changed, 20 insertions(+), 3 deletions(-)



  git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/30039/1

diff --git a/src/mainboard/google/kahlee/romstage.c b/src/mainboard/google/kahlee/romstage.c
index 5ec5c25..32f8356 100644
--- a/src/mainboard/google/kahlee/romstage.c
+++ b/src/mainboard/google/kahlee/romstage.c
@@ -15,6 +15,7 @@
 
 #include <amdblocks/dimm_spd.h>
 #include <baseboard/variants.h>
+#include <soc/gpio.h>
 #include <soc/romstage.h>
 
 int mainboard_read_spd(uint8_t spdAddress, char *buf, size_t len)
@@ -29,5 +30,11 @@
 
 void mainboard_romstage_entry(int s3_resume)
 {
+	size_t num_gpios;
+	const struct soc_amd_gpio *gpios;
+
+	gpios = variant_romstage_gpio_table(&num_gpios);
+	sb_program_gpios(gpios, num_gpios);
+
 	variant_romstage_entry(s3_resume);
 }
diff --git a/src/mainboard/google/kahlee/variants/baseboard/gpio.c b/src/mainboard/google/kahlee/variants/baseboard/gpio.c
index 7922ea5..e9ae28c 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/gpio.c
+++ b/src/mainboard/google/kahlee/variants/baseboard/gpio.c
@@ -77,9 +77,6 @@
 	/* GPIO_132 - CONFIG_STRAP4 */
 	PAD_GPI(GPIO_132, PULL_NONE),
 
-	/* GPIO_133 - APU_EDP_BKLTEN_L (backlight - Active LOW) */
-	PAD_GPO(GPIO_133, HIGH),
-
 	/* GPIO_136 - UART_PCH_RX_DEBUG_TX */
 	PAD_NF(GPIO_136, UART0_RXD, PULL_NONE),
 
@@ -93,6 +90,11 @@
 	PAD_GPI(GPIO_142, PULL_NONE),
 };
 
+static const struct soc_amd_gpio gpio_set_stage_rom[] = {
+	/* GPIO_133 - APU_EDP_BKLTEN_L (backlight - Active LOW) */
+	PAD_GPO(GPIO_133, HIGH),
+};
+
 static const struct soc_amd_gpio gpio_set_stage_ram[] = {
 	/* GPIO_0 - EC_PCH_PWR_BTN_ODL */
 	PAD_NF(GPIO_0, PWR_BTN_L, PULL_UP),
@@ -259,6 +261,13 @@
 }
 
 const __weak
+struct soc_amd_gpio *variant_romstage_gpio_table(size_t *size)
+{
+	*size = ARRAY_SIZE(gpio_set_stage_rom);
+	return gpio_set_stage_rom;
+}
+
+const __weak
 struct soc_amd_gpio *variant_gpio_table(size_t *size)
 {
 	*size = ARRAY_SIZE(gpio_set_stage_ram);
diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
index 6e89105..da65bd8 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
@@ -28,6 +28,7 @@
 int variant_get_xhci_oc_map(uint16_t *usb_oc_map);
 int variant_get_ehci_oc_map(uint16_t *usb_oc_map);
 const struct soc_amd_gpio *variant_early_gpio_table(size_t *size);
+const struct soc_amd_gpio *variant_romstage_gpio_table(size_t *size);
 const struct soc_amd_gpio *variant_gpio_table(size_t *size);
 void variant_romstage_entry(int s3_resume);
 #if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)

-- 
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-Change-Id: Ia4993b993d37afaf9e23d6f3316ba91053732f1d
Gerrit-Change-Number: 30039
Gerrit-PatchSet: 1
Gerrit-Owner: Martin Roth <martinroth at google.com>
Gerrit-MessageType: newchange
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