From fa1a5aac4ceca752409895527a440a677f1ac4a6 Mon Sep 17 00:00:00 2001 From: Antoine Tenart Date: Wed, 22 Apr 2015 17:32:23 +0200 Subject: [PATCH 1/2] fastboot: allow to flash at a given address Signed-off-by: Antoine Tenart --- common/fb_mmc.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/common/fb_mmc.c b/common/fb_mmc.c index 0c48cf929f8f..747a0e58de64 100644 --- a/common/fb_mmc.c +++ b/common/fb_mmc.c @@ -87,11 +87,36 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, fastboot_okay(""); } +static void write_raw_raw_image(block_dev_desc_t *dev_desc, long start, int blksz, + void *buffer, unsigned int download_bytes) +{ + lbaint_t blkcnt; + lbaint_t blks; + + /* determine number of blocks to write */ + blkcnt = ((download_bytes + (blksz - 1)) & ~(blksz - 1)); + blkcnt = blkcnt / blksz; + + puts("Flashing Raw Image\n"); + + blks = dev_desc->block_write(dev_desc->dev, start / blksz, blkcnt, buffer); + if (blks != blkcnt) { + error("failed writing to device %d\n", dev_desc->dev); + fastboot_fail("failed writing to device"); + return; + } + + printf("........ wrote " LBAFU " bytes to 0x%lx\n", blkcnt * blksz, + start); + fastboot_okay(""); +} + void fb_mmc_flash_write(const char *cmd, void *download_buffer, unsigned int download_bytes, char *response) { block_dev_desc_t *dev_desc; disk_partition_t info; + long start_addr; /* initialize the response buffer */ response_str = response; @@ -121,8 +146,13 @@ void fb_mmc_flash_write(const char *cmd, void *download_buffer, fastboot_okay(""); return; } else if (get_partition_info_efi_by_name_or_alias(dev_desc, cmd, &info)) { - error("cannot find partition: '%s'\n", cmd); - fastboot_fail("cannot find partition"); + /* fallback on using the 'partition name' as a number */ + + start_addr = simple_strtol(cmd, NULL, 16); + + write_raw_raw_image(dev_desc, start_addr, dev_desc->blksz, + download_buffer, download_bytes); + return; } -- 2.6.2