This adds a bootm handler for the Zynq image, to allow second
stage booting of a unchanged Zynq boot image.
Signed-off-by: Lucas Stach <dev@xxxxxxxxxx>
---
arch/arm/mach-zynq/Makefile | 2 +-
arch/arm/mach-zynq/bootm-zynqimg.c | 49 ++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-zynq/bootm-zynqimg.c
diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile
index 3252247d176d..c88ab4666f0f 100644
--- a/arch/arm/mach-zynq/Makefile
+++ b/arch/arm/mach-zynq/Makefile
@@ -1 +1 @@
-obj-y += zynq.o
+obj-y += zynq.o bootm-zynqimg.o
diff --git a/arch/arm/mach-zynq/bootm-zynqimg.c b/arch/arm/mach-zynq/bootm-zynqimg.c
new file mode 100644
index 000000000000..e903ab667905
--- /dev/null
+++ b/arch/arm/mach-zynq/bootm-zynqimg.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <bootm.h>
+#include <common.h>
+#include <init.h>
+#include <memory.h>
+
+static int do_bootm_zynqimage(struct image_data *data)
+{
+ resource_size_t start, end;
+ void (*barebox)(void);
+ u32 *header;
+ int ret;
+
+ ret = memory_bank_first_find_space(&start, &end);
+ if (ret)
+ return ret;
+
+ ret = bootm_load_os(data, start);
+ if (ret)
+ return ret;
+
+ header = (u32*)start;
+ barebox = (void*)start + header[12];
+
+ if (data->verbose)
+ printf("Loaded barebox image to 0x%08lx\n",
+ (unsigned long)barebox);
+
+ shutdown_barebox();
+
+ barebox();
+
+ return -EIO;
+}
+
+static struct image_handler zynq_image_handler = {
+ .name = "Zynq image",
+ .bootm = do_bootm_zynqimage,
+ .filetype = filetype_zynq_image,
+};
+
+static int zynq_register_image_handler(void)
+{
+ register_image_handler(&zynq_image_handler);
+
+ return 0;
+}
+late_initcall(zynq_register_image_handler);
--
2.23.0
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