diff options
author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2020-10-29 07:47:41 +0300 |
---|---|---|
committer | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2020-10-30 16:20:27 +0300 |
commit | 045fd8b13dc7b08a309043c28fc764c8fd2fde14 (patch) | |
tree | 3fe5fad33b5adfacd8b694659290631f3b18f029 /drivers/dfu/dfu_alt.c | |
parent | 31393564462ac706c080fbd9625382540a41d27c (diff) | |
download | u-boot-045fd8b13dc7b08a309043c28fc764c8fd2fde14.tar.xz |
dfu: rename dfu_tftp_write() to dfu_write_by_name()
This function is essentially independent from tftp, and will also be
utilised in implementing UEFI capsule update in a later commit.
So just give it a more generic name.
In addition, a new configuration option, CONFIG_DFU_WRITE_ALT, was
introduced so that the file will be compiled with different options,
particularly one added in a later commit.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/dfu/dfu_alt.c')
-rw-r--r-- | drivers/dfu/dfu_alt.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/dfu/dfu_alt.c b/drivers/dfu/dfu_alt.c new file mode 100644 index 0000000000..8870967f4a --- /dev/null +++ b/drivers/dfu/dfu_alt.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2015 + * Lukasz Majewski <l.majewski@majess.pl> + */ + +#include <common.h> +#include <log.h> +#include <malloc.h> +#include <errno.h> +#include <dfu.h> + +/** + * dfu_write_by_name() - write data to DFU medium + * @dfu_entity_name: Name of DFU entity to write + * @addr: Address of data buffer to write + * @len: Number of bytes + * @interface: Destination DFU medium (e.g. "mmc") + * @devstring: Instance number of destination DFU medium (e.g. "1") + * + * This function is storing data received on DFU supported medium which + * is specified by @dfu_entity_name. + * + * Return: 0 - on success, error code - otherwise + */ +int dfu_write_by_name(char *dfu_entity_name, unsigned int addr, + unsigned int len, char *interface, char *devstring) +{ + char *s, *sb; + int alt_setting_num, ret; + struct dfu_entity *dfu; + + debug("%s: name: %s addr: 0x%x len: %d device: %s:%s\n", __func__, + dfu_entity_name, addr, len, interface, devstring); + + ret = dfu_init_env_entities(interface, devstring); + if (ret) + goto done; + + /* + * We need to copy name pointed by *dfu_entity_name since this text + * is the integral part of the FDT image. + * Any implicit modification (i.e. done by strsep()) will corrupt + * the FDT image and prevent other images to be stored. + */ + s = strdup(dfu_entity_name); + sb = s; + if (!s) { + ret = -ENOMEM; + goto done; + } + + strsep(&s, "@"); + debug("%s: image name: %s strlen: %zd\n", __func__, sb, strlen(sb)); + + alt_setting_num = dfu_get_alt(sb); + free(sb); + if (alt_setting_num < 0) { + pr_err("Alt setting [%d] to write not found!", + alt_setting_num); + ret = -ENODEV; + goto done; + } + + dfu = dfu_get_entity(alt_setting_num); + if (!dfu) { + pr_err("DFU entity for alt: %d not found!", alt_setting_num); + ret = -ENODEV; + goto done; + } + + ret = dfu_write_from_mem_addr(dfu, (void *)(uintptr_t)addr, len); + +done: + dfu_free_entities(); + + return ret; +} |