int do_usbd_dnw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
if (argv[0][0] == 'u') {
DNW = 0;
}
else {
DNW = 1;
s3c_got_header = 0;
}
switch (argc) {
case 1 :
s3c_usbd_dn_addr = USBD_DOWN_ADDR; /* Default Address */
break;
case 2 :
s3c_usbd_dn_addr = simple_strtoul(argv[1], NULL, 16);
break;
default:
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
s3c_receive_done = 0;
s3c_usbctl_init();
s3c_usbc_activate();
PRINTF("Download address 0x%08x\n", s3c_usbd_dn_addr);
printf("Now, Waiting for DNW to transmit data\n");
while (1) {
if (S3C_USBD_DETECT_IRQ()) {
s3c_udc_int_hndlr();
S3C_USBD_CLEAR_IRQ();
}
if (s3c_receive_done)
break;
if (serial_tstc()) {
serial_getc();
break;
}
}
/* when operation is done, usbd must be stopped */
s3c_usb_stop();
return 0;
}
int RealARMGetDataFromUSB (unsigned max_len, unsigned char **data_ptr, unsigned *received_len)
{
s3c_usbd_dn_addr = USBD_DOWN_ADDR; /* Default Address */
s3c_receive_done = 0;
//memset( (unsigned char *)USBD_DOWN_ADDR, 0xFF, max_len);
s3c_usbctl_init();
s3c_usbc_activate();
printf("Download address 0x%08x\n", s3c_usbd_dn_addr);
while (1) {
if (S3C_USBD_DETECT_IRQ()) {
s3c_udc_int_hndlr();
S3C_USBD_CLEAR_IRQ();
}
if (s3c_receive_done)
break;
}
s3c_usb_stop();
*received_len = UsbDownloadFileSize;
*data_ptr = (unsigned char *)USBD_DOWN_ADDR;
if (UsbDownloadFileSize > max_len) {
printf("DNW download Data size is too big\n");
return -1;
}
if (!UsbDownloadChecksumOK) {
printf("DNW download Data Error\n");
return -2;
}
{
int PadLen = 128 * 1024 - UsbDownloadFileSize % (128 * 1024);
PadLen %= 128 * 1024;
if (PadLen != 0 && PadLen + UsbDownloadFileSize <= max_len) {
memset((unsigned char *)USBD_DOWN_ADDR + UsbDownloadFileSize, 0xFF, PadLen);
}
}
return 0;
}
otg_dev_t android_usbd_download()
{
otg_dev_t nOtg;
s3c_usbd_dn_addr = ANDROID_DOWNLOAD_ADDRESS;
s3c_receive_done = 0;
s3c_usbctl_init();
s3c_usbc_activate();
printf("Now, Waiting for Android image downloading.\n");
printf("Press the 'USB Port => Download' button.\n");
while (1) {
if (S3C_USBD_DETECT_IRQ()) {
s3c_udc_int_hndlr();
S3C_USBD_CLEAR_IRQ();
}
if (s3c_receive_done)
break;
if (serial_tstc()) {
serial_getc();
break;
}
}
nOtg.dn_addr = s3c_usbd_dn_addr;
nOtg.dn_filesize = s3c_usbd_dn_cnt >> 18;
s3c_usbd_dn_cnt = (nOtg.dn_filesize << 18) + 0x40000;
nOtg.dn_filesize = s3c_usbd_dn_cnt;
/* when operation is done, usbd must be stopped */
s3c_usb_stop();
return nOtg;
}
int fboot_usb_int_hndlr(void)
{
return s3c_udc_int_hndlr();
}