HACK to compile Tanix TX1 U-Boot as a 32-bit binary

uboot_sunxi_tanix_tx1_32bit.patch

commit 39b43797f21f3ba85ce54618b4cce7dc644bfd6d
Author: Andre Przywara <[email protected]>
Date:   Sun Jul 20 16:49:52 2025 +0100

    HACK: sunxi: h616: tanix-tx1: use 32-bit compilation

diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 0a7c029b15a..2655aa4c7d6 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -334,6 +334,9 @@ config SUNXI_DRAM_MAX_SIZE
 	default 0xC0000000 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN50I_H6
 	default 0x80000000
 
+config SUNXI_ARMV8_32BIT_BUILD
+	bool "Build 32-bit binaries for ARMv8 SoCs"
+
 choice
 	prompt "Sunxi SoC Variant"
 	optional
@@ -520,7 +523,8 @@ config MACH_SUN50I_H6
 
 config MACH_SUN50I_H616
 	bool "sun50i (Allwinner H616)"
-	select ARM64
+	select ARM64 if !SUNXI_ARMV8_32BIT_BUILD
+	select CPU_V7A if SUNXI_ARMV8_32BIT_BUILD
 	select DRAM_SUN50I_H616
 	select SUN50I_GEN_H6
 	imply OF_UPSTREAM
diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index 08d55b3a0e3..ab46d62b7cb 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -471,8 +471,8 @@ void board_init_f(ulong dummy)
 	/* Enable non-secure access to some peripherals */
 	tzpc_init();
 
-	clock_init();
 	timer_init();
+	clock_init();
 	gpio_init();
 
 	spl_init();
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 943b6221b8a..c8228bd42ef 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -186,6 +186,8 @@ enum env_location env_get_location(enum env_operation op, int prio)
 	return ENVL_UNKNOWN;
 }
 
+#define CONFIG_NON_SECURE
+
 /* called only from U-Boot proper */
 int board_init(void)
 {
diff --git a/configs/tanix_tx1_defconfig b/configs/tanix_tx1_defconfig
index 1bd167ce0f6..9ed3818d2d7 100644
--- a/configs/tanix_tx1_defconfig
+++ b/configs/tanix_tx1_defconfig
@@ -1,7 +1,8 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
-CONFIG_DEFAULT_DEVICE_TREE="allwinner/sun50i-h313-tanix-tx1"
+CONFIG_DEFAULT_DEVICE_TREE="../arm64/allwinner/sun50i-h313-tanix-tx1"
 CONFIG_SPL=y
+CONFIG_SUNXI_ARMV8_32BIT_BUILD=y
 CONFIG_DRAM_SUNXI_DX_ODT=0x06060606
 CONFIG_DRAM_SUNXI_DX_DRI=0x0d0d0d0d
 CONFIG_DRAM_SUNXI_CA_DRI=0x1919