@@ -19,10 +19,13 @@
};
config {
+ u-boot,dm-pre-reloc;
u-boot,boot-led = "heartbeat";
u-boot,error-led = "error";
st,fastboot-gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
st,stm32prog-gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
+ #gpio-cells = <2>;
+ dh,som-coding-gpios = <&gpiof 12 0>, <&gpiof 13 0>, <&gpiof 15 0>;
};
led {
@@ -15,6 +15,7 @@
config {
u-boot,boot-led = "led1";
u-boot,error-led = "led4";
+ dh,board-coding-gpios = <&gpiog 13 0>, <&gpiod 9 0>;
};
};
@@ -11,6 +11,15 @@
#include "stm32mp157-u-boot.dtsi"
#include "stm32mp15-ddr3-2x4Gb-1066-binG.dtsi"
+/ {
+ u-boot,dm-pre-reloc;
+ config {
+ u-boot,dm-pre-reloc;
+ #gpio-cells = <2>;
+ dh,som-coding-gpios = <&gpioz 7 0>, <&gpiof 3 0>;
+ };
+};
+
&i2c4 {
u-boot,dm-pre-reloc;
};
@@ -7,7 +7,7 @@ config SYS_VENDOR
default "dhelectronics"
config SYS_CONFIG_NAME
- default "stm32mp1"
+ default "dh_stm32mp1"
config ENV_SECT_SIZE
default 0x10000 if ENV_IS_IN_SPI_FLASH
@@ -133,6 +133,62 @@ int checkboard(void)
return 0;
}
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+static u8 brdcode __section("data");
+static u8 somcode __section("data");
+
+static void board_get_coding_straps(void)
+{
+ struct gpio_desc gpio[4];
+ ofnode node;
+ int i, ret;
+
+ node = ofnode_path("/config");
+ if (!ofnode_valid(node)) {
+ printf("%s: no /config node?\n", __func__);
+ return;
+ }
+
+ brdcode = 0;
+ somcode = 0;
+
+ ret = gpio_request_list_by_name_nodev(node, "dh,som-coding-gpios",
+ gpio, ARRAY_SIZE(gpio),
+ GPIOD_IS_IN);
+ for (i = 0; i < ret; i++)
+ somcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
+
+ ret = gpio_request_list_by_name_nodev(node, "dh,board-coding-gpios",
+ gpio, ARRAY_SIZE(gpio),
+ GPIOD_IS_IN);
+ for (i = 0; i < ret; i++)
+ brdcode |= !!dm_gpio_get_value(&(gpio[i])) << i;
+
+ printf("Code: SoM:rev=%d Board:rev=%d\n", somcode, brdcode);
+}
+
+int board_early_init_f(void)
+{
+ board_get_coding_straps();
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ char test[20];
+
+ snprintf(test, sizeof(test), "somrev%d_boardrev%d", somcode, brdcode);
+
+ if (!strcmp(name, test))
+ return 0;
+
+ return -EINVAL;
+}
+#endif
+#endif
+
static void board_key_check(void)
{
#if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
@@ -478,6 +534,11 @@ int board_late_init(void)
if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
env_set("bootdelay", "0");
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+ env_set_ulong("dh_som_rev", somcode);
+ env_set_ulong("dh_board_rev", brdcode);
+#endif
+
return 0;
}
new file mode 100644
@@ -0,0 +1,39 @@
+/dts-v1/;
+
+/ {
+ description = "U-Boot mainline";
+ #address-cells = <1>;
+
+ images {
+ uboot {
+ description = "U-Boot (32-bit)";
+ data = /incbin/("../../../u-boot-nodtb.bin");
+ type = "standalone";
+ os = "U-Boot";
+ arch = "arm";
+ compression = "none";
+ load = <0xc0100000>;
+ entry = <0xc0100000>;
+ };
+
+ fdt-1 {
+ description = ".dtb";
+ data = /incbin/("../../../arch/arm/dts/stm32mp15xx-dhcom-pdk2.dtb");
+ type = "flat_dt";
+ arch = "arm";
+ compression = "none";
+ };
+ };
+
+ configurations {
+ default = "config-1";
+
+ config-1 {
+ description = "somrev0_boardrev0"; /* SoM+board model */
+ loadables = "uboot";
+ fdt = "fdt-1";
+ };
+
+ /* Add 587-100..587-400 with fdt-2..fdt-4 here */
+ };
+};
new file mode 100644
@@ -0,0 +1,39 @@
+/dts-v1/;
+
+/ {
+ description = "U-Boot mainline";
+ #address-cells = <1>;
+
+ images {
+ uboot {
+ description = "U-Boot (32-bit)";
+ data = /incbin/("../../../u-boot-nodtb.bin");
+ type = "standalone";
+ os = "U-Boot";
+ arch = "arm";
+ compression = "none";
+ load = <0xc0100000>;
+ entry = <0xc0100000>;
+ };
+
+ fdt-1 {
+ description = ".dtb";
+ data = /incbin/("../../../arch/arm/dts/stm32mp15xx-dhcor-avenger96.dtb");
+ type = "flat_dt";
+ arch = "arm";
+ compression = "none";
+ };
+ };
+
+ configurations {
+ default = "config-1";
+
+ config-1 {
+ description = "somrev0_boardrev1"; /* SoM+board model */
+ loadables = "uboot";
+ fdt = "fdt-1";
+ };
+
+ /* Add 586-200..586-400 with fdt-2..fdt-4 here */
+ };
+};
@@ -11,7 +11,10 @@ CONFIG_SPL_SPI_SUPPORT=y
CONFIG_SPL_TEXT_BASE=0x2FFC2500
CONFIG_DISTRO_DEFAULTS=y
CONFIG_FIT=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_SPL_FIT_SOURCE="board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its"
CONFIG_BOOTCOMMAND="run bootcmd_stm32mp"
+CONFIG_SPL_LEGACY_IMAGE_SUPPORT=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION=3
CONFIG_SPL_I2C_SUPPORT=y
@@ -11,7 +11,10 @@ CONFIG_SPL_SPI_SUPPORT=y
CONFIG_SPL_TEXT_BASE=0x2FFC2500
CONFIG_DISTRO_DEFAULTS=y
CONFIG_FIT=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_SPL_FIT_SOURCE="board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its"
CONFIG_BOOTCOMMAND="run bootcmd_stm32mp"
+CONFIG_SPL_LEGACY_IMAGE_SUPPORT=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION=y
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION=3
CONFIG_SPL_I2C_SUPPORT=y
new file mode 100644
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
+/*
+ * Copyright (C) 2020 Marek Vasut <marex at denx.de>
+ *
+ * Configuration settings for the DH STM32MP15x SoMs
+ */
+
+#ifndef __CONFIG_DH_STM32MP1_H__
+#define __CONFIG_DH_STM32MP1_H__
+
+#include <configs/stm32mp1.h>
+
+#define CONFIG_SPL_TARGET "u-boot.itb"
+
+#endif
The AV96 board does exist in multiple variants. To cater for all of them, implement board code handling. There are two GPIOs which code the type of the board, read them out and use the value to pick the correct device tree from an fitImage. Signed-off-by: Marek Vasut <marex at denx.de> Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org> Cc: Patrick Delaunay <patrick.delaunay at st.com> Cc: Patrice Chotard <patrice.chotard at st.com> --- arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 3 + .../stm32mp15xx-dhcor-avenger96-u-boot.dtsi | 1 + arch/arm/dts/stm32mp15xx-dhcor-u-boot.dtsi | 9 +++ board/dhelectronics/dh_stm32mp1/Kconfig | 2 +- board/dhelectronics/dh_stm32mp1/board.c | 61 +++++++++++++++++++ .../dh_stm32mp1/u-boot-dhcom.its | 39 ++++++++++++ .../dh_stm32mp1/u-boot-dhcor.its | 39 ++++++++++++ configs/stm32mp15_dhcom_basic_defconfig | 3 + configs/stm32mp15_dhcor_basic_defconfig | 3 + include/configs/dh_stm32mp1.h | 15 +++++ 10 files changed, 174 insertions(+), 1 deletion(-) create mode 100644 board/dhelectronics/dh_stm32mp1/u-boot-dhcom.its create mode 100644 board/dhelectronics/dh_stm32mp1/u-boot-dhcor.its create mode 100644 include/configs/dh_stm32mp1.h