u-boot/common/spl/spl_ymodem.c

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/*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2011
* Texas Instruments, <www.ti.com>
*
* Matt Porter <mporter@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <xyzModem.h>
#include <asm/u-boot.h>
#include <asm/utils.h>
#define BUF_SIZE 1024
static int getcymodem(void) {
if (tstc())
return (getc());
return -1;
}
int spl_ymodem_load_image(void)
{
int size = 0;
int err;
int res;
int ret;
connection_info_t info;
char buf[BUF_SIZE];
ulong store_addr = ~0;
ulong addr = 0;
info.mode = xyzModem_ymodem;
ret = xyzModem_stream_open(&info, &err);
if (!ret) {
while ((res =
xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0) {
if (addr == 0)
spl_parse_image_header((struct image_header *)buf);
store_addr = addr + spl_image.load_addr;
size += res;
addr += res;
memcpy((char *)(store_addr), buf, res);
}
} else {
printf("spl: ymodem err - %s\n", xyzModem_error(err));
return ret;
}
xyzModem_stream_close(&err);
xyzModem_stream_terminate(false, &getcymodem);
printf("Loaded %d bytes\n", size);
return 0;
}