spl: zImage support in Falcon mode
Other payload than uImage is currently considered to be raw U-Boot
image. Check also for zImage in Falcon mode.
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/lib/zimage.c b/arch/arm/lib/zimage.c
new file mode 100644
index 0000000..1e811a8
--- /dev/null
+++ b/arch/arm/lib/zimage.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016
+ * Ladislav Michl <ladis@linux-mips.org>
+ *
+ * bootz code:
+ * Copyright (C) 2012 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+
+#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818
+
+struct arm_z_header {
+ uint32_t code[9];
+ uint32_t zi_magic;
+ uint32_t zi_start;
+ uint32_t zi_end;
+} __attribute__ ((__packed__));
+
+int bootz_setup(ulong image, ulong *start, ulong *end)
+{
+ struct arm_z_header *zi = (struct arm_z_header *)image;
+
+ if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) {
+#ifndef CONFIG_SPL_FRAMEWORK
+ puts("Bad Linux ARM zImage magic!\n");
+#endif
+ return 1;
+ }
+
+ *start = zi->zi_start;
+ *end = zi->zi_end;
+#ifndef CONFIG_SPL_FRAMEWORK
+ printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n",
+ image, *start, *end);
+#endif
+
+ return 0;
+}