static int fdt_stdout_setup(struct device_node *blob)
{
struct device_node *node, *alias;
char sername[9] = { 0 };
const char *prop;
struct console_device *cdev;
int len;
node = of_create_node(blob, "/chosen");
if (node == NULL) {
pr_err("%s: could not open /chosen node\n", __func__);
goto error;
}
cdev = console_get_first_active();
if (cdev)
sprintf(sername, "serial%d", cdev->dev->id);
else
sprintf(sername, "serial%d", 0);
alias = of_find_node_by_path_from(blob, "/aliases");
if (!alias) {
pr_err("%s: could not get aliases node.\n", __func__);
goto error;
}
prop = of_get_property(alias, sername, &len);
of_set_property(node, "linux,stdout-path", prop, len, 1);
return 0;
error:
return -ENODEV;
}
/**
* @brief provide the loady(Y-Modem or Y-Modem/G) support
*
* @param argc number of arguments
* @param argv arguments of loady command
*
* @return success or failure
*/
static int do_loady(int argc, char *argv[])
{
int is_ymodemg = 0, rc = 0, opt, rcode = 0;
int load_baudrate = 0, current_baudrate;
char *cname = NULL;
struct console_device *cdev = NULL;
while ((opt = getopt(argc, argv, "b:t:g")) > 0) {
switch (opt) {
case 'b':
load_baudrate = (int)simple_strtoul(optarg, NULL, 10);
break;
case 'g':
is_ymodemg = 1;
break;
case 't':
cname = optarg;
break;
default:
perror(argv[0]);
return 1;
}
}
if (cname)
cdev = get_named_console(cname);
else
cdev = console_get_first_active();
if (!cdev) {
printf("%s:No console device %s with STDIN and STDOUT\n",
argv[0], cname ? cname : "default");
return -ENODEV;
}
current_baudrate = console_change_speed(cdev, load_baudrate);
printf("## Ready for binary (ymodem) download at %d bps...\n",
load_baudrate ? load_baudrate : current_baudrate);
if (is_ymodemg)
rc = do_load_serial_ymodemg(cdev);
else
rc = do_load_serial_ymodem(cdev);
if (rc < 0) {
printf("## Binary (ymodem) download aborted (%d)\n", rc);
rcode = 1;
}
console_change_speed(cdev, current_baudrate);
return rcode;
}
static void *omap_serial_boot(void){
struct console_device *cdev;
int ret;
void *buf;
int len;
int fd;
/* need temporary place to store file */
ret = mount("none", "ramfs", "/", NULL);
if (ret < 0) {
printf("failed to mount ramfs\n");
return NULL;
}
cdev = console_get_first_active();
if (!cdev) {
printf("failed to get console\n");
return NULL;
}
fd = open("/barebox.bin", O_WRONLY | O_CREAT);
if (fd < 0) {
printf("could not create barebox.bin\n");
return NULL;
}
ret = do_load_serial_xmodem(cdev, fd);
if (ret < 0) {
printf("loadx failed\n");
return NULL;
}
buf = read_file("/barebox.bin", &len);
if (!buf)
printf("could not read barebox.bin from serial\n");
return buf;
}
/**
* @brief provide the loadx(X-Modem) support
*
* @param argc number of arguments
* @param argv arguments of loadx command
*
* @return success or failure
*/
static int do_loadx(int argc, char *argv[])
{
ulong offset = 0;
int load_baudrate = 0, current_baudrate, ofd, opt, rcode = 0;
int open_mode = O_WRONLY;
char *output_file = NULL, *cname = NULL;
struct console_device *cdev = NULL;
while ((opt = getopt(argc, argv, "f:b:o:c")) > 0) {
switch (opt) {
case 'f':
output_file = optarg;
break;
case 'b':
load_baudrate = (int)simple_strtoul(optarg, NULL, 10);
break;
case 'o':
offset = (int)simple_strtoul(optarg, NULL, 10);
break;
case 'c':
open_mode |= O_CREAT;
break;
case 't':
cname = optarg;
break;
default:
perror(argv[0]);
return 1;
}
}
if (cname)
cdev = get_named_console(cname);
else
cdev = console_get_first_active();
if (!cdev) {
printf("%s:No console device %s with STDIN and STDOUT\n",
argv[0], cname ? cname : "default");
return -ENODEV;
}
/* Load Defaults */
if (!output_file)
output_file = DEF_FILE;
/* File should exist */
ofd = open(output_file, open_mode);
if (ofd < 0) {
perror(argv[0]);
return 3;
}
/* Seek to the right offset */
if (offset) {
int seek = lseek(ofd, offset, SEEK_SET);
if (seek != offset) {
close(ofd);
ofd = 0;
perror(argv[0]);
return 4;
}
}
current_baudrate = console_change_speed(cdev, load_baudrate);
printf("## Ready for binary (X-Modem) download "
"to 0x%08lX offset on %s device at %d bps...\n", offset,
output_file, load_baudrate);
rcode = do_load_serial_ymodem(cdev);
if (rcode < 0) {
printf("## Binary (kermit) download aborted (%d)\n", rcode);
rcode = 1;
}
console_change_speed(cdev, current_baudrate);
return rcode;
}