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-rw-r--r--arch/arm/mach-rockchip/Makefile6
-rw-r--r--arch/arm/mach-rockchip/boot_mode.c11
2 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 2127f2bbe8..7e1f864383 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -23,9 +23,11 @@ obj-spl-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-spl.o spl-boot-order.o
ifeq ($(CONFIG_SPL_BUILD)$(CONFIG_TPL_BUILD),)
-ifneq ($(CONFIG_ROCKCHIP_BOOT_MODE_REG),0)
+# Always include boot_mode.o, as we bypass it (i.e. turn it off)
+# inside of boot_mode.c when CONFIG_BOOT_MODE_REG is 0. This way,
+# we can have the preprocessor correctly recognise both 0x0 and 0
+# meaning "turn it off".
obj-y += boot_mode.o
-endif
obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board.o
obj-$(CONFIG_ROCKCHIP_RK322X) += rk322x-board.o
diff --git a/arch/arm/mach-rockchip/boot_mode.c b/arch/arm/mach-rockchip/boot_mode.c
index 942849f2f8..d7dd425aae 100644
--- a/arch/arm/mach-rockchip/boot_mode.c
+++ b/arch/arm/mach-rockchip/boot_mode.c
@@ -9,6 +9,15 @@
#include <asm/io.h>
#include <asm/arch/boot_mode.h>
+#if (CONFIG_ROCKCHIP_BOOT_MODE_REG == 0)
+
+int setup_boot_mode(void)
+{
+ return 0;
+}
+
+#else
+
void set_back_to_bootrom_dnl_flag(void)
{
writel(BOOT_BROM_DOWNLOAD, CONFIG_ROCKCHIP_BOOT_MODE_REG);
@@ -74,3 +83,5 @@ int setup_boot_mode(void)
return 0;
}
+
+#endif