at91/boot0spi/main.c

	main.c revision 199767f8919635c4928607450d9e0abb932109ce
/*-
 * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD$
 */

#include "at91rm9200.h"
#include "lib.h"
#include "at91rm9200_lowlevel.h"
#include "spi_flash.h"

#define OFFSET 0

int main(void);

int
main(void)
{
    int len, i, j, off, sec;
    char *addr = (char *)SDRAM_BASE + (1 << 20); /* download at + 1MB */
    char *addr2 = (char *)SDRAM_BASE + (2 << 20); /* readback to + 2MB */

    SPI_InitFlash();
    printf("Waiting for data\n");
    while ((len = xmodem_rx(addr)) == -1)
        continue;
    printf("Writing %u bytes at %u\n", len, OFFSET);
    for (i = 0; i < len; i+= FLASH_PAGE_SIZE) {
        off = i + OFFSET;
        for (j = 0; j < 10; j++) {
            SPI_WriteFlash(off, addr + i, FLASH_PAGE_SIZE);
            SPI_ReadFlash(off, addr2 + i, FLASH_PAGE_SIZE);
            if (p_memcmp(addr + i, addr2 + i, FLASH_PAGE_SIZE) == 0)
                break;
        }
        if (j >= 10)
            printf("Bad Readback at %u\n", i);
    }
    sec = GetSeconds() + 2;
    while (sec <= GetSeconds())
        continue;
    printf("Done\n");
    reset();
    return (1);
}