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author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2020-10-29 07:47:43 +0300 |
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committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-10-30 16:20:27 +0300 |
commit | 3149e524fc1e76ec1420cd17588c724d4232a904 (patch) | |
tree | 3dbadd9c9d59b7900c00be7ab89ba5ecf9c6b859 /common/update.c | |
parent | 1c2d1293f608a367488b5dea7250dda8bb8f1d02 (diff) | |
download | u-boot-3149e524fc1e76ec1420cd17588c724d4232a904.tar.xz |
common: update: add a generic interface for FIT image
The main purpose of this patch is to separate a generic interface for
updating firmware using DFU drivers from "auto-update" via tftp.
This function will also be used in implementing UEFI capsule update
in a later commit.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'common/update.c')
-rw-r--r-- | common/update.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/common/update.c b/common/update.c index 8dd6ee8b7d..808be0880d 100644 --- a/common/update.c +++ b/common/update.c @@ -29,6 +29,7 @@ #include <errno.h> #include <mtd/cfi_flash.h> +#ifdef CONFIG_DFU_TFTP /* env variable holding the location of the update file */ #define UPDATE_FILE_ENV "updatefile" @@ -98,6 +99,7 @@ static int update_load(char *filename, ulong msec_max, int cnt_max, ulong addr) return rv; } +#endif /* CONFIG_DFU_TFTP */ #ifdef CONFIG_MTD_NOR_FLASH static int update_flash_protect(int prot, ulong addr_first, ulong addr_last) @@ -231,6 +233,7 @@ static int update_fit_getparams(const void *fit, int noffset, ulong *addr, return 0; } +#ifdef CONFIG_DFU_TFTP int update_tftp(ulong addr, char *interface, char *devstring) { char *filename, *env_addr, *fit_image_name; @@ -337,3 +340,71 @@ next_node: return ret; } +#endif /* CONFIG_DFU_UPDATE */ + +#ifdef CONFIG_UPDATE_FIT +/** + * fit_update - update storage with FIT image + * @fit: Pointer to FIT image + * + * Update firmware on storage using FIT image as input. + * The storage area to be update will be identified by the name + * in FIT and matching it to "dfu_alt_info" variable. + * + * Return: 0 - on success, non-zero - otherwise + */ +int fit_update(const void *fit) +{ + char *fit_image_name; + ulong update_addr, update_fladdr, update_size; + int images_noffset, ndepth, noffset; + int ret = 0; + + if (!fit) + return -EINVAL; + + if (!fit_check_format((void *)fit)) { + printf("Bad FIT format of the update file, aborting auto-update\n"); + return -EINVAL; + } + + /* process updates */ + images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); + + ndepth = 0; + noffset = fdt_next_node(fit, images_noffset, &ndepth); + while (noffset >= 0 && ndepth > 0) { + if (ndepth != 1) + goto next_node; + + fit_image_name = (char *)fit_get_name(fit, noffset, NULL); + printf("Processing update '%s' :", fit_image_name); + + if (!fit_image_verify(fit, noffset)) { + printf("Error: invalid update hash, aborting\n"); + ret = 1; + goto next_node; + } + + printf("\n"); + if (update_fit_getparams(fit, noffset, &update_addr, + &update_fladdr, &update_size)) { + printf("Error: can't get update parameters, aborting\n"); + ret = 1; + goto next_node; + } + + if (fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE)) { + ret = dfu_write_by_name(fit_image_name, + (void *)update_addr, + update_size, NULL, NULL); + if (ret) + return ret; + } +next_node: + noffset = fdt_next_node(fit, noffset, &ndepth); + } + + return ret; +} +#endif /* CONFIG_UPDATE_FIT */ |