freebsd-dev/sys/boot/arm/at91/boot0spi/main.c
Warner Losh 1962e68df3 MFp4: Delay a second or two after the upload before printing Done.
Add an automatic reset for remote operational luvin' goodness.
2006-12-20 17:50:02 +00:00

69 lines
2.4 KiB
C

/*-
* 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 LOADER_OFFSET 0
#define FPGA_OFFSET (15 * FLASH_PAGE_SIZE)
#define OFFSET FPGA_OFFSET
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 */
char *addr3 = (char *)SDRAM_BASE + (3 << 20); /* extra copy at + 3MB */
SPI_InitFlash();
printf("Waiting for data\n");
while ((len = xmodem_rx(addr)) == -1)
continue;
// Need extra copy at addr3
memcpy(addr3, addr, (len + FLASH_PAGE_SIZE - 1) / FLASH_PAGE_SIZE * FLASH_PAGE_SIZE);
printf("Writing %u bytes to flash at %u\n", len, OFFSET);
for (i = 0; i < len; i+= FLASH_PAGE_SIZE) {
for (j = 0; j < 10; j++) {
off = i + OFFSET;
SPI_WriteFlash(off, addr + i, FLASH_PAGE_SIZE);
SPI_ReadFlash(off, addr2 + i, FLASH_PAGE_SIZE);
if (p_memcmp(addr3 + 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);
}