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-rw-r--r--arch/arm/lib/bootm.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 160ba55..1c1bee6 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -359,3 +359,33 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
boot_jump_linux(images);
return 0;
}
+
+#ifdef CONFIG_CMD_BOOTZ
+
+struct zimage_header {
+ uint32_t code[9];
+ uint32_t zi_magic;
+ uint32_t zi_start;
+ uint32_t zi_end;
+};
+
+#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
+
+int bootz_setup(void *image, void **start, void **end)
+{
+ struct zimage_header *zi = (struct zimage_header *)image;
+
+ if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
+ puts("Bad Linux ARM zImage magic!\n");
+ return 1;
+ }
+
+ *start = (void *)zi->zi_start;
+ *end = (void *)zi->zi_end;
+
+ debug("Kernel image @ 0x%08x [ 0x%08x - 0x%08x ]\n",
+ (uint32_t)image, (uint32_t)*start, (uint32_t)*end);
+
+ return 0;
+}
+#endif /* CONFIG_CMD_BOOTZ */