diff options
Diffstat (limited to 'drivers/dfu/dfu.c')
| -rw-r--r-- | drivers/dfu/dfu.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c index 675162d927..6cf240de22 100644 --- a/drivers/dfu/dfu.c +++ b/drivers/dfu/dfu.c @@ -76,7 +76,7 @@ int dfu_init_env_entities(char *interface, char *devstr) } static unsigned char *dfu_buf; -static unsigned long dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE; +static unsigned long dfu_buf_size; unsigned char *dfu_free_buf(void) { @@ -568,3 +568,40 @@ int dfu_get_alt(char *name) return -ENODEV; } + +int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size) +{ + unsigned long dfu_buf_size, write, left = size; + int i, ret = 0; + void *dp = buf; + + /* + * Here we must call dfu_get_buf(dfu) first to be sure that dfu_buf_size + * has been properly initialized - e.g. if "dfu_bufsiz" has been taken + * into account. + */ + dfu_get_buf(dfu); + dfu_buf_size = dfu_get_buf_size(); + debug("%s: dfu buf size: %lu\n", __func__, dfu_buf_size); + + for (i = 0; left > 0; i++) { + write = min(dfu_buf_size, left); + + debug("%s: dp: 0x%p left: %lu write: %lu\n", __func__, + dp, left, write); + ret = dfu_write(dfu, dp, write, i); + if (ret) { + error("DFU write failed\n"); + return ret; + } + + dp += write; + left -= write; + } + + ret = dfu_flush(dfu, NULL, 0, i); + if (ret) + error("DFU flush failed!"); + + return ret; +} |