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authorRitul Guru <ritul.bits@gmail.com>2021-02-05 23:53:28 +0530
committerFelix Held <felix-coreboot@felixheld.de>2021-02-17 20:00:41 +0000
commit286c2f6d4a72473b919ea580786d5497f7ef2dec (patch)
tree1c08513c2ec451aeaff40b16e14417c134ce5394 /src/mainboard/amd/bilby/early_gpio.c
parent65819cd3644e96f191de04eae8219cab4bc86fb8 (diff)
mainboard/amd/bilby: Add Bilby CRB board
Bilby is the reference board for AMD Raven, Raven2 and Picasso APUs. Bilby mainboard code is taken from mandolin variant Cereme. These new files are a renamed copy and subsequent patches will be applied to create a working bilby implementation. Change-Id: I426966d782e259a971ec36bac2498bc62b4ce7e2 Signed-off-by: Ritul Guru <ritul.bits@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50315 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/mainboard/amd/bilby/early_gpio.c')
-rw-r--r--src/mainboard/amd/bilby/early_gpio.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/mainboard/amd/bilby/early_gpio.c b/src/mainboard/amd/bilby/early_gpio.c
new file mode 100644
index 0000000000..b6ca995c89
--- /dev/null
+++ b/src/mainboard/amd/bilby/early_gpio.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <soc/gpio.h>
+#include "gpio.h"
+
+/* GPIO pins used by coreboot should be initialized in bootblock */
+
+static const struct soc_amd_gpio gpio_set_stage_reset[] = {
+ /* not LLB */
+ PAD_GPI(GPIO_12, PULL_UP),
+ /* not USB_OC1_L */
+ PAD_GPI(GPIO_17, PULL_UP),
+ /* not USB_OC2_L */
+ PAD_GPI(GPIO_18, PULL_UP),
+ /* SDIO eMMC power control */
+ PAD_NF(GPIO_22, EMMC_PWR_CTRL, PULL_NONE),
+ /* PCIe Reset 0 */
+ PAD_NF(GPIO_26, PCIE_RST_L, PULL_NONE),
+ /* PCIe Reset 1 */
+ PAD_NF(GPIO_27, PCIE_RST1_L, PULL_NONE),
+ /* eSPI CS# */
+ PAD_NF(GPIO_30, ESPI_CS_L, PULL_NONE),
+ /* FANOUT0 */
+ PAD_NF(GPIO_85, FANOUT0, PULL_NONE),
+ /* PC beep to codec */
+ PAD_NF(GPIO_91, SPKR, PULL_NONE),
+};
+
+void mainboard_program_early_gpios(void)
+{
+ program_gpios(gpio_set_stage_reset, ARRAY_SIZE(gpio_set_stage_reset));
+}