diff options
author | Lucas Stach <dev@lynxeye.de> | 2019-12-10 23:03:22 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-11 09:51:23 +0100 |
commit | 825708c9e80fa8be3d029703fdccee714cdd9169 (patch) | |
tree | d906041aeba081d4ddc42c252a38f68b753ef7d2 | |
parent | 583055c883ede073200dd2b8f5078793d5fe0313 (diff) | |
download | barebox-825708c9e80fa8be3d029703fdccee714cdd9169.tar.gz barebox-825708c9e80fa8be3d029703fdccee714cdd9169.tar.xz |
ARM: zynq: add Zynq image bootm handler
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@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | arch/arm/mach-zynq/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-zynq/bootm-zynqimg.c | 49 |
2 files changed, 50 insertions, 1 deletions
diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile index 3252247d17..c88ab4666f 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 0000000000..e903ab6679 --- /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); |