void
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();
}
static void
UpdateFlash(int offset)
{
char *addr = (char *)SDRAM_BASE + (1 << 20); /* Load to base + 1MB */
int len, i, off;
while ((len = xmodem_rx(addr)) == -1)
continue;
printf("\nDownloaded %u bytes.\n", len);
for (i = 0; i < len; i+= FLASH_PAGE_SIZE) {
off = i + offset;
SPI_WriteFlash(off, addr + i, FLASH_PAGE_SIZE);
}
}
