mirror of
https://github.com/smaeul/u-boot.git
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e5bf9878ea
- add capability to "fastboot flash" with sparse format images Signed-off-by: Steve Rae <srae@broadcom.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com>
93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/*
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* Copyright 2014 Broadcom Corporation.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <fb_mmc.h>
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#include <part.h>
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#include <aboot.h>
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#include <sparse_format.h>
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/* The 64 defined bytes plus the '\0' */
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#define RESPONSE_LEN (64 + 1)
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static char *response_str;
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void fastboot_fail(const char *s)
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{
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strncpy(response_str, "FAIL", 4);
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strncat(response_str, s, RESPONSE_LEN - 4 - 1);
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}
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void fastboot_okay(const char *s)
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{
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strncpy(response_str, "OKAY", 4);
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strncat(response_str, s, RESPONSE_LEN - 4 - 1);
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}
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static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
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const char *part_name, void *buffer,
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unsigned int download_bytes)
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{
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lbaint_t blkcnt;
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lbaint_t blks;
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/* determine number of blocks to write */
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blkcnt = ((download_bytes + (info->blksz - 1)) & ~(info->blksz - 1));
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blkcnt = blkcnt / info->blksz;
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if (blkcnt > info->size) {
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error("too large for partition: '%s'\n", part_name);
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fastboot_fail("too large for partition");
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return;
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}
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puts("Flashing Raw Image\n");
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blks = dev_desc->block_write(dev_desc->dev, info->start, blkcnt,
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buffer);
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if (blks != blkcnt) {
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error("failed writing to device %d\n", dev_desc->dev);
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fastboot_fail("failed writing to device");
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return;
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}
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printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt * info->blksz,
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part_name);
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fastboot_okay("");
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}
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void fb_mmc_flash_write(const char *cmd, void *download_buffer,
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unsigned int download_bytes, char *response)
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{
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int ret;
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block_dev_desc_t *dev_desc;
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disk_partition_t info;
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/* initialize the response buffer */
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response_str = response;
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dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
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if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
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error("invalid mmc device\n");
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fastboot_fail("invalid mmc device");
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return;
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}
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ret = get_partition_info_efi_by_name(dev_desc, cmd, &info);
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if (ret) {
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error("cannot find partition: '%s'\n", cmd);
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fastboot_fail("cannot find partition");
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return;
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}
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if (is_sparse_image(download_buffer))
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write_sparse_image(dev_desc, &info, cmd, download_buffer,
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download_bytes);
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else
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write_raw_image(dev_desc, &info, cmd, download_buffer,
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download_bytes);
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}
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