185 lines
4.1 KiB
C
185 lines
4.1 KiB
C
/*
|
|
* dfu.c - device firmware update command
|
|
*
|
|
* Copyright (c) 2009 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* 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 <errno.h>
|
|
#include <malloc.h>
|
|
#include <getopt.h>
|
|
#include <fs.h>
|
|
#include <xfuncs.h>
|
|
#include <usb/dfu.h>
|
|
|
|
#define PARSE_DEVICE 0
|
|
#define PARSE_NAME 1
|
|
#define PARSE_FLAGS 2
|
|
|
|
static int dfu_do_parse_one(char *partstr, char **endstr, struct usb_dfu_dev *dfu)
|
|
{
|
|
int i = 0, state = PARSE_DEVICE;
|
|
char device[PATH_MAX];
|
|
char name[PATH_MAX];
|
|
|
|
memset(device, 0, sizeof(device));
|
|
memset(name, 0, sizeof(name));
|
|
dfu->flags = 0;
|
|
|
|
while (*partstr && *partstr != ',') {
|
|
switch (state) {
|
|
case PARSE_DEVICE:
|
|
if (*partstr == '(') {
|
|
state = PARSE_NAME;
|
|
i = 0;
|
|
} else {
|
|
device[i++] = *partstr;
|
|
}
|
|
break;
|
|
case PARSE_NAME:
|
|
if (*partstr == ')') {
|
|
state = PARSE_FLAGS;
|
|
i = 0;
|
|
} else {
|
|
name[i++] = *partstr;
|
|
}
|
|
break;
|
|
case PARSE_FLAGS:
|
|
switch (*partstr) {
|
|
case 's':
|
|
dfu->flags |= DFU_FLAG_SAVE;
|
|
break;
|
|
case 'r':
|
|
dfu->flags |= DFU_FLAG_READBACK;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
partstr++;
|
|
}
|
|
|
|
if (state != PARSE_FLAGS)
|
|
return -EINVAL;
|
|
|
|
dfu->name = xstrdup(name);
|
|
dfu->dev = xstrdup(device);
|
|
if (*partstr == ',')
|
|
partstr++;
|
|
*endstr = partstr;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* dfu /dev/self0(bootloader)sr,/dev/nand0.root.bb(root)
|
|
*
|
|
* s = save mode (download whole image before flashing)
|
|
* r = read back (firmware image can be downloaded back from host)
|
|
*/
|
|
static int do_dfu(cmd_tbl_t *cmdtp, int argc, char *argv[])
|
|
{
|
|
int opt, n = 0;
|
|
struct usb_dfu_pdata pdata;
|
|
char *endptr, *argstr;
|
|
struct usb_dfu_dev *dfu_alts = NULL;
|
|
char *manufacturer = "U-Boot";
|
|
char *productname = CONFIG_BOARDINFO;
|
|
u16 idVendor = 0, idProduct = 0;
|
|
|
|
getopt_reset();
|
|
|
|
while((opt = getopt(argc, argv, "m:p:V:P:")) > 0) {
|
|
switch(opt) {
|
|
case 'm':
|
|
manufacturer = optarg;
|
|
break;
|
|
case 'p':
|
|
productname = optarg;
|
|
break;
|
|
case 'V':
|
|
idVendor = simple_strtoul(optarg, NULL, 0);
|
|
break;
|
|
case 'P':
|
|
idProduct = simple_strtoul(optarg, NULL, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (argc != optind + 1) {
|
|
u_boot_cmd_usage(cmdtp);
|
|
return 1;
|
|
}
|
|
|
|
argstr = argv[optind];
|
|
|
|
if (!idProduct || !idVendor) {
|
|
printf("productid or vendorid not given\n");
|
|
return 1;
|
|
}
|
|
|
|
for (n = 0; *argstr; n++) {
|
|
dfu_alts = xrealloc(dfu_alts, sizeof(*dfu_alts) * (n + 1));
|
|
if (dfu_do_parse_one(argstr, &endptr, &dfu_alts[n])) {
|
|
printf("parse error\n");
|
|
goto out;
|
|
}
|
|
argstr = endptr;
|
|
}
|
|
|
|
pdata.alts = dfu_alts;
|
|
pdata.num_alts = n;
|
|
|
|
pdata.manufacturer = manufacturer;
|
|
pdata.productname = productname;
|
|
pdata.idVendor = idVendor;
|
|
pdata.idProduct = idProduct;
|
|
|
|
usb_dfu_register(&pdata);
|
|
|
|
out:
|
|
while (n) {
|
|
n--;
|
|
free(dfu_alts[n].name);
|
|
free(dfu_alts[n].dev);
|
|
};
|
|
free(dfu_alts);
|
|
return 1;
|
|
}
|
|
|
|
static const __maybe_unused char cmd_dfu_help[] =
|
|
"Usage: dfu [OPTION]... description\n"
|
|
"start dfu firmware update\n"
|
|
" -m <str> Manufacturer string (U-Boot)\n"
|
|
" -p <str> product string (" CONFIG_BOARDINFO ")\n"
|
|
" -V <id> vendor id\n"
|
|
" -P <id> product id\n"
|
|
"description has the form\n"
|
|
"device1(name1)[sr],device2(name2)[sr]\n"
|
|
"where s is for save mode and r for read back of firmware\n";
|
|
|
|
U_BOOT_CMD_START(dfu)
|
|
.maxargs = CONFIG_MAXARGS,
|
|
.cmd = do_dfu,
|
|
.usage = "Device firmware update",
|
|
U_BOOT_CMD_HELP(cmd_dfu_help)
|
|
U_BOOT_CMD_END
|