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-rw-r--r--arch/arm/dts/sunxi-u-boot.dtsi12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi
index 5adfd9bca2..72e95afd78 100644
--- a/arch/arm/dts/sunxi-u-boot.dtsi
+++ b/arch/arm/dts/sunxi-u-boot.dtsi
@@ -1,5 +1,14 @@
#include <config.h>
+/*
+ * This is the maximum size the U-Boot binary can be, which is basically
+ * the start of the environment, minus the start of the U-Boot binary in
+ * the MMC. This makes the assumption that the MMC is using 512-bytes
+ * blocks, but devices using something other than that remains to be
+ * seen.
+ */
+#define UBOOT_MMC_MAX_SIZE (CONFIG_ENV_OFFSET - (CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512))
+
/ {
binman {
filename = "u-boot-sunxi-with-spl.bin";
@@ -8,6 +17,9 @@
filename = "spl/sunxi-spl.bin";
};
u-boot-img {
+#ifdef CONFIG_MMC
+ size = <UBOOT_MMC_MAX_SIZE>;
+#endif
pos = <CONFIG_SPL_PAD_TO>;
};
};