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dfu:cmd: Support for DFU u-boot command

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Support for u-boot's command line command "dfu <interface> <dev> [list]".

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marex@denx.de>
This commit is contained in:
Lukasz Majewski 2012-08-06 14:41:09 +02:00 • committed by Marek Vasut
parent cb383cd21d
commit a006a5deaa
2 changed files with 82 additions and 0 deletions
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1
common/Makefile
View file

@ -184,6 +184,7 @@ COBJS-$(CONFIG_MENU) += menu.o
COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o COBJS-$(CONFIG_MODEM_SUPPORT) += modem.o
COBJS-$(CONFIG_UPDATE_TFTP) += update.o COBJS-$(CONFIG_UPDATE_TFTP) += update.o
COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
COBJS-$(CONFIG_CMD_DFU) += cmd_dfu.o
endif endif
ifdef CONFIG_SPL_BUILD ifdef CONFIG_SPL_BUILD

81
common/cmd_dfu.c Normal file
View file

@ -0,0 +1,81 @@
/*
* cmd_dfu.c -- dfu command
*
* Copyright (C) 2012 Samsung Electronics
* authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
* Lukasz Majewski <l.majewski@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
#include <malloc.h>
#include <dfu.h>
#include <asm/errno.h>
#include <g_dnl.h>
static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const char *str_env;
char s[] = "dfu";
char *env_bkp;
int ret;
if (argc < 3)
return CMD_RET_USAGE;
str_env = getenv("dfu_alt_info");
if (str_env == NULL) {
printf("%s: \"dfu_alt_info\" env variable not defined!\n",
__func__);
return CMD_RET_FAILURE;
}
env_bkp = strdup(str_env);
ret = dfu_config_entities(env_bkp, argv[1],
(int)simple_strtoul(argv[2], NULL, 10));
if (ret)
return CMD_RET_FAILURE;
if (strcmp(argv[3], "list") == 0) {
dfu_show_entities();
goto done;
}
board_usb_init();
g_dnl_register(s);
while (1) {
if (ctrlc())
goto exit;
usb_gadget_handle_interrupts();
}
exit:
g_dnl_unregister();
done:
dfu_free_entities();
free(env_bkp);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(dfu, CONFIG_SYS_MAXARGS, 1, do_dfu,
"Device Firmware Upgrade",
"<interface> <dev> [list]\n"
" - device firmware upgrade on a device <dev>\n"
" attached to interface <interface>\n"
" [list] - list available alt settings"
);