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fel: Add "--sid" option to select FEL device by SID

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Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>
This commit is contained in:
Bernhard Nortmann 2016-11-21 10:17:43 +01:00
parent beeb8ec30d
commit 448fa5f74c
1 changed files with 35 additions and 0 deletions
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35
fel.c
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@ -987,6 +987,24 @@ static void felusb_list_devices(void)
exit(devices > 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}
static void select_by_sid(const char *sid_arg, int *busnum, int *devnum)
{
char sid[36];
feldev_list_entry *list, *entry;
list = list_fel_devices(NULL);
for (entry = list; entry->soc_version.soc_id; entry++) {
snprintf(sid, sizeof(sid), "%08x:%08x:%08x:%08x",
entry->SID[0], entry->SID[1], entry->SID[2], entry->SID[3]);
if (strcmp(sid, sid_arg) == 0) {
*busnum = entry->busnum;
*devnum = entry->devnum;
break;
}
}
free(list);
}
int main(int argc, char **argv)
{
bool uboot_autostart = false; /* flag for "uboot" command = U-Boot autostart */
@ -994,6 +1012,7 @@ int main(int argc, char **argv)
bool device_list = false; /* -l switch, prints device list and exits */
feldev_handle *handle;
int busnum = -1, devnum = -1;
char *sid_arg = NULL;
if (argc <= 1) {
puts("sunxi-fel " VERSION "\n");
@ -1002,6 +1021,7 @@ int main(int argc, char **argv)
" -p, --progress \"write\" transfers show a progress bar\n"
" -l, --list Enumerate all (USB) FEL devices and exit\n"
" -d, --dev bus:devnum Use specific USB bus and device number\n"
" --sid SID Select device by SID key (exact match)\n"
"\n"
" spl file Load and execute U-Boot SPL\n"
" If file additionally contains a main U-Boot binary\n"
@ -1062,6 +1082,11 @@ int main(int argc, char **argv)
exit(1);
}
pr_info("Selecting USB Bus %03d Device %03d\n", busnum, devnum);
}
else if (strcmp(argv[1], "--sid") == 0 && argc > 2) {
sid_arg = argv[2];
argc -= 1;
argv += 1;
} else
break; /* no valid (prefix) option detected, exit loop */
argc -= 1;
@ -1070,6 +1095,16 @@ int main(int argc, char **argv)
if (device_list)
felusb_list_devices(); /* and exit program afterwards */
if (sid_arg) {
/* try to set busnum and devnum according to "--sid" option */
select_by_sid(sid_arg, &busnum, &devnum);
if (busnum <= 0 || devnum <= 0) {
fprintf(stderr, "No matching FEL device found for SID '%s'\n",
sid_arg);
exit(1);
}
pr_info("Selecting FEL device %03d:%03d by SID\n", busnum, devnum);
}
handle = feldev_open(busnum, devnum, AW_USB_VENDOR_ID, AW_USB_PRODUCT_ID);