[PATCH 3/3] ARM: stm32mp: add support for STM32MP157A Avenger96 board
Sohaib Mohamed
sohaib.amhmd at gmail.com
Thu Nov 27 16:51:19 PST 2025
Add board support for the Arrow Electronics STM32MP157A Avenger96 board.
This commit adds:
- Board initialization code with boot source detection
- barebox_update handlers for SD card, eMMC
Tested with STM32MP157A DHCOR SoM on Avenger96 carrier board.
Signed-off-by: Sohaib Mohamed <sohaib.amhmd at gmail.com>
---
arch/arm/boards/Makefile | 1 +
arch/arm/boards/dhcor-stm32mp1/Makefile | 2 ++
arch/arm/boards/dhcor-stm32mp1/board.c | 47 +++++++++++++++++++++++++++++
arch/arm/configs/multi_v7_defconfig | 2 ++
arch/arm/configs/stm32mp_defconfig | 2 ++
arch/arm/dts/Makefile | 1 +
arch/arm/dts/stm32mp157a-dhcor-stm32mp1.dts | 4 +++
arch/arm/mach-stm32mp/Kconfig | 4 +++
8 files changed, 63 insertions(+)
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index f73285ede9..f75277bc17 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -135,6 +135,7 @@ obj-$(CONFIG_MACH_LXA_MC1) += lxa-mc1/
obj-$(CONFIG_MACH_LXA_TAC) += lxa-tac/
obj-$(CONFIG_MACH_LXA_FAIRYTUX2) += lxa-fairytux2/
obj-$(CONFIG_MACH_STM32MP15X_EV1) += stm32mp15x-ev1/
+obj-$(CONFIG_MACH_DHCOR_STM32MP1) += dhcor-stm32mp1/
obj-$(CONFIG_MACH_TECHNEXION_PICO_HOBBIT) += technexion-pico-hobbit/
obj-$(CONFIG_MACH_TECHNEXION_WANDBOARD) += technexion-wandboard/
obj-$(CONFIG_MACH_TNY_A9260) += tny-a926x/
diff --git a/arch/arm/boards/dhcor-stm32mp1/Makefile b/arch/arm/boards/dhcor-stm32mp1/Makefile
new file mode 100644
index 0000000000..bcca1a9f84
--- /dev/null
+++ b/arch/arm/boards/dhcor-stm32mp1/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0+
+obj-y += board.o
diff --git a/arch/arm/boards/dhcor-stm32mp1/board.c b/arch/arm/boards/dhcor-stm32mp1/board.c
new file mode 100644
index 0000000000..2a02942d6c
--- /dev/null
+++ b/arch/arm/boards/dhcor-stm32mp1/board.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// SPDX-FileCopyrightText: Copyright (c) 2025, Sohaib Mohamed <sohaib.amhmd at gmail.com>
+#include <filetype.h>
+#include <common.h>
+#include <init.h>
+#include <asm/memory.h>
+#include <mach/stm32mp/bbu.h>
+#include <bootsource.h>
+#include <of.h>
+
+static int dhcor_stm32mp1_probe(struct device *dev)
+{
+ int emmc_bbu_flag = 0;
+ int sd_bbu_flag = 0;
+ int nor_bbu_flag = 0;
+
+ if (bootsource_get() == BOOTSOURCE_MMC) {
+ if (bootsource_get_instance() == 2)
+ emmc_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+ else
+ sd_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+ } else if (bootsource_get() == BOOTSOURCE_NOR) {
+ nor_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+ } else {
+ emmc_bbu_flag = BBU_HANDLER_FLAG_DEFAULT;
+ }
+
+ stm32mp_bbu_mmc_fip_register("sd", "/dev/mmc0", sd_bbu_flag);
+ stm32mp_bbu_mmc_fip_register("emmc", "/dev/mmc1", emmc_bbu_flag);
+ stm32mp_bbu_nor_fip_register("nor", "/dev/m25p0", nor_bbu_flag);
+
+ return 0;
+}
+
+static const struct of_device_id dhcor_stm32mp1_of_match[] = {
+ { .compatible = "dh,stm32mp157a-dhcor-som" },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, dhcor_stm32mp1_of_match);
+BAREBOX_DEEP_PROBE_ENABLE(dhcor_stm32mp1_of_match);
+
+static struct driver dhcor_stm32mp1_driver = {
+ .name = "dhcor_stm32mp1",
+ .probe = dhcor_stm32mp1_probe,
+ .of_compatible = dhcor_stm32mp1_of_match,
+};
+device_platform_driver(dhcor_stm32mp1_driver);
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 93f79c79d2..ef4e106148 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -82,6 +82,7 @@ CONFIG_MACH_STM32MP15XX_DKX=y
CONFIG_MACH_LXA_MC1=y
CONFIG_MACH_LXA_TAC=y
CONFIG_MACH_LXA_FAIRYTUX2=y
+CONFIG_MACH_DHCOR_STM32MP1=y
CONFIG_MACH_SEEED_ODYSSEY=y
CONFIG_MACH_STM32MP15X_EV1=y
CONFIG_MACH_PROTONIC_STM32MP1=y
@@ -214,6 +215,7 @@ CONFIG_DEEP_PROBE_DEFAULT=y
CONFIG_OF_BAREBOX_DRIVERS=y
CONFIG_AIODEV=y
CONFIG_STM32_ADC=y
+CONFIG_STM32_QSPI=y
CONFIG_SERIAL_AMBA_PL011=y
CONFIG_DRIVER_SERIAL_STM32=y
CONFIG_DRIVER_SERIAL_NS16550=y
diff --git a/arch/arm/configs/stm32mp_defconfig b/arch/arm/configs/stm32mp_defconfig
index 4df7b371f3..1d1b75fbb0 100644
--- a/arch/arm/configs/stm32mp_defconfig
+++ b/arch/arm/configs/stm32mp_defconfig
@@ -4,6 +4,7 @@ CONFIG_MACH_STM32MP15XX_DKX=y
CONFIG_MACH_LXA_MC1=y
CONFIG_MACH_LXA_TAC=y
CONFIG_MACH_LXA_FAIRYTUX2=y
+CONFIG_MACH_DHCOR_STM32MP1=y
CONFIG_MACH_SEEED_ODYSSEY=y
CONFIG_MACH_STM32MP15X_EV1=y
CONFIG_MACH_PROTONIC_STM32MP1=y
@@ -104,6 +105,7 @@ CONFIG_NET_FASTBOOT=y
CONFIG_OF_BAREBOX_DRIVERS=y
CONFIG_AIODEV=y
CONFIG_STM32_ADC=y
+CONFIG_STM32_QSPI=y
CONFIG_DRIVER_SERIAL_STM32=y
CONFIG_DRIVER_NET_DESIGNWARE_STM32=y
CONFIG_AT803X_PHY=y
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e78722a9a7..3cd1d8fe59 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -169,6 +169,7 @@ lwl-$(CONFIG_MACH_LXA_MC1) += stm32mp157c-lxa-mc1.dtb.o stm32mp157c-lxa-mc1-scmi
lwl-$(CONFIG_MACH_LXA_TAC) += stm32mp157c-lxa-tac-gen1.dtb.o stm32mp157c-lxa-tac-gen2.dtb.o \
stm32mp153c-lxa-tac-gen3.dtb.o
lwl-$(CONFIG_MACH_LXA_FAIRYTUX2) += stm32mp153c-lxa-fairytux2-gen1.dtb.o stm32mp153c-lxa-fairytux2-gen2.dtb.o
+lwl-$(CONFIG_MACH_DHCOR_STM32MP1) += stm32mp157a-dhcor-stm32mp1.dtb.o
lwl-$(CONFIG_MACH_STM32MP15X_EV1) += stm32mp157c-ev1.dtb.o stm32mp157c-ev1-scmi.dtb.o
lwl-$(CONFIG_MACH_SCB9328) += imx1-scb9328.dtb.o
lwl-$(CONFIG_MACH_TECHNEXION_WANDBOARD) += imx6q-wandboard.dtb.o imx6dl-wandboard.dtb.o
diff --git a/arch/arm/dts/stm32mp157a-dhcor-stm32mp1.dts b/arch/arm/dts/stm32mp157a-dhcor-stm32mp1.dts
new file mode 100644
index 0000000000..5187cc882f
--- /dev/null
+++ b/arch/arm/dts/stm32mp157a-dhcor-stm32mp1.dts
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
+#include <arm/st/stm32mp157a-dhcor-avenger96.dts>
+#include "stm32mp151.dtsi"
diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig
index 5ea0c4004f..54ce644d73 100644
--- a/arch/arm/mach-stm32mp/Kconfig
+++ b/arch/arm/mach-stm32mp/Kconfig
@@ -39,6 +39,10 @@ config MACH_LXA_FAIRYTUX2
bool "Linux Automation FairyTux 2"
select BOARD_LXA
+config MACH_DHCOR_STM32MP1
+ select ARCH_STM32MP157
+ bool "DHCOR STM32MP1 boards including Arrow Avenger96"
+
config MACH_SEEED_ODYSSEY
select ARCH_STM32MP157
bool "Seeed Studio Odyssey"
--
2.43.0
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