diff options
Diffstat (limited to 'arch/arm/mach-mvebu/kwb_bbu.c')
-rw-r--r-- | arch/arm/mach-mvebu/kwb_bbu.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/kwb_bbu.c b/arch/arm/mach-mvebu/kwb_bbu.c new file mode 100644 index 0000000000..f79464fe53 --- /dev/null +++ b/arch/arm/mach-mvebu/kwb_bbu.c @@ -0,0 +1,54 @@ +#include <bbu.h> +#include <libfile.h> +#include <printk.h> + +#include <mach/bbu.h> + +struct mvebu_bbu_handler { + struct bbu_handler bbuh; + int version; +}; + +static int mvebu_bbu_flash_update_handler(struct bbu_handler *bbuh, + struct bbu_data *data) +{ + struct mvebu_bbu_handler *mbbuh = + container_of(bbuh, struct mvebu_bbu_handler, bbuh); + const void *image = data->image; + size_t size = data->len; + enum filetype ft = file_detect_type(image, size); + + if ((mbbuh->version == 0 && ft == filetype_kwbimage_v0) || + (mbbuh->version == 1 && ft == filetype_kwbimage_v1) || + data->flags & BBU_FLAG_FORCE) { + int ret = bbu_confirm(data); + if (ret) + return ret; + + return write_file_flash(bbuh->devicefile, image, size); + } else { + pr_err("%s is not a valid kwbimage\n", data->imagefile); + return -EINVAL; + } +} + +int mvebu_bbu_flash_register_handler(const char *name, + char *devicefile, int version, + bool isdefault) +{ + struct mvebu_bbu_handler *mbbuh; + int ret; + + mbbuh = xzalloc(sizeof(*mbbuh)); + mbbuh->bbuh.devicefile = devicefile; + mbbuh->bbuh.handler = mvebu_bbu_flash_update_handler; + mbbuh->bbuh.flags = isdefault ? BBU_HANDLER_FLAG_DEFAULT : 0; + mbbuh->bbuh.name = name; + mbbuh->version = version; + + ret = bbu_register_handler(&mbbuh->bbuh); + if (ret) + free(mbbuh); + + return ret; +} |