ARM: dts: stm32: Introduce DH STM32MP13x target

Split the DH STM32MP13x based boards from ST STM32MP13x target,
this way the DH board specific code can be reused for STM32MP13x
DHSOM.

Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

arch/arm/mach-stm32mp/Kconfig.13x

@@ -17,6 +17,17 @@ config TARGET_ST_STM32MP13X
 		managed by board/st/stm32mp1.
 		The difference between board are managed with devicetree
 
+config TARGET_DH_STM32MP13X
+	bool "DH electronics STM32MP13x boards"
+	imply BOOTSTAGE
+	imply CMD_BOOTSTAGE
+	imply CMD_CLS if CMD_BMP
+	imply DISABLE_CONSOLE
+	imply PRE_CONSOLE_BUFFER
+	imply SILENT_CONSOLE
+	help
+		Target the DH DHSBC development kit with STM32MP13x SoM.
+
 endchoice
 
 config TEXT_BASE
@@ -50,6 +61,7 @@ config DEBUG_UART_CLOCK
 	default 64000000
 endif
 
+source "board/dhelectronics/dh_stm32mp1/Kconfig"
 source "board/st/stm32mp1/Kconfig"
 
 endif

board/dhelectronics/dh_stm32mp1/Kconfig

@@ -20,3 +20,26 @@ config ENV_OFFSET_REDUND
 
 source "board/st/common/Kconfig"
 endif
+
+if TARGET_DH_STM32MP13X
+
+config SYS_BOARD
+	default "dh_stm32mp1"
+
+config SYS_VENDOR
+	default "dhelectronics"
+
+config SYS_CONFIG_NAME
+	default "stm32mp13_st_common"
+
+config ENV_SECT_SIZE
+	default 0x10000 if ENV_IS_IN_SPI_FLASH
+
+config ENV_OFFSET
+	default 0x3E0000 if ENV_IS_IN_SPI_FLASH
+
+config ENV_OFFSET_REDUND
+	default 0x3F0000 if ENV_IS_IN_SPI_FLASH
+
+source "board/st/common/Kconfig"
+endif

board/dhelectronics/dh_stm32mp1/Makefile

@@ -3,6 +3,7 @@
 # Copyright (C) 2018, STMicroelectronics - All Rights Reserved
 #
 
-obj-y += ../../st/common/stpmic1.o board.o
+obj-$(CONFIG_PMIC_STPMIC1) += ../../st/common/stpmic1.o
+obj-y += board.o
 
 obj-$(CONFIG_SET_DFU_ALT_INFO) += ../../st/common/stm32mp_dfu.o

board/dhelectronics/dh_stm32mp1/board.c

@@ -692,6 +692,34 @@ void board_quiesce_devices(void)
 #endif
 }
 
+#ifdef CONFIG_TARGET_DH_STM32MP13X
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	u32 bootmode = get_bootmode();
+
+	if (prio)
+		return ENVL_UNKNOWN;
+
+	switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
+	case BOOT_FLASH_SD:
+	case BOOT_FLASH_EMMC:
+		if (CONFIG_IS_ENABLED(ENV_IS_IN_MMC))
+			return ENVL_MMC;
+		else
+			return ENVL_NOWHERE;
+
+	case BOOT_FLASH_NOR:
+		if (CONFIG_IS_ENABLED(ENV_IS_IN_SPI_FLASH))
+			return ENVL_SPI_FLASH;
+		else
+			return ENVL_NOWHERE;
+
+	default:
+		return ENVL_NOWHERE;
+	}
+}
+#endif
+
 static void dh_stm32_ks8851_fixup(void *blob)
 {
 	struct gpio_desc ks8851intrn;

configs/stm32mp13_dhcor_defconfig

@@ -8,7 +8,7 @@ CONFIG_ENV_OFFSET=0x3E0000
 CONFIG_DEFAULT_DEVICE_TREE="st/stm32mp135f-dhcor-dhsbc"
 CONFIG_STM32MP13X=y
 CONFIG_DDR_CACHEABLE_SIZE=0x8000000
-CONFIG_TARGET_ST_STM32MP13X=y
+CONFIG_TARGET_DH_STM32MP13X=y
 CONFIG_ENV_OFFSET_REDUND=0x3F0000
 CONFIG_STM32MP15_PWR=y
 CONFIG_ARMV7_NONSEC=y