[RFC PATCH 1/4] mt7622: Support to build 32 bits version.
Frank Wunderlich
linux at fw-web.de
Mon Aug 10 16:26:49 CEST 2020
From: Oleksandr Rybalko <ray at ddteam.net>
allow building uboot in 32bit-mode for mt7622 to
be compatible with bpi-r64 images
Signed-off-by: Oleksandr Rybalko <ray at ddteam.net>
Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
arch/arm/mach-mediatek/Kconfig | 7 ++++++-
arch/arm/mach-mediatek/mt7622/init.c | 6 +++++-
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig
index 0042e57017..46e10025e4 100644
--- a/arch/arm/mach-mediatek/Kconfig
+++ b/arch/arm/mach-mediatek/Kconfig
@@ -10,12 +10,17 @@ config MT8512
bool "MediaTek MT8512 SoC"
default n
+config ARCH_MEDIATEK_32
+ bool "Build 32 bits version"
+ default n
+
choice
prompt "MediaTek board select"
config TARGET_MT7622
bool "MediaTek MT7622 SoC"
- select ARM64
+ select CPU_V7A if ARCH_MEDIATEK_32
+ select ARM64 if !ARCH_MEDIATEK_32
help
The MediaTek MT7622 is a ARM64-based SoC with a dual-core Cortex-A53.
including UART, SPI, USB3.0, SD and MMC cards, NAND, SNFI, PWM, PCIe,
diff --git a/arch/arm/mach-mediatek/mt7622/init.c b/arch/arm/mach-mediatek/mt7622/init.c
index 7f6ce80f37..884c45e183 100644
--- a/arch/arm/mach-mediatek/mt7622/init.c
+++ b/arch/arm/mach-mediatek/mt7622/init.c
@@ -7,8 +7,10 @@
#include <common.h>
#include <fdtdec.h>
#include <init.h>
-#include <asm/armv8/mmu.h>
#include <asm/cache.h>
+#ifdef CONFIG_ARM64
+#include <asm/armv8/mmu.h>
+#endif
int print_cpuinfo(void)
{
@@ -27,6 +29,7 @@ int dram_init(void)
}
+#ifdef CONFIG_ARM64
void reset_cpu(ulong addr)
{
psci_system_reset();
@@ -51,3 +54,4 @@ static struct mm_region mt7622_mem_map[] = {
}
};
struct mm_region *mem_map = mt7622_mem_map;
+#endif
--
2.25.1
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