1/*- 2 * Copyright (c) 2006 M. Warner Losh. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 *
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24 * $FreeBSD: head/sys/boot/arm/at91/boot0spi/main.c 163595 2006-10-21 22:43:07Z imp $
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24 * $FreeBSD: head/sys/boot/arm/at91/boot0spi/main.c 164321 2006-11-16 00:48:53Z imp $ |
25 */ 26 27#include "at91rm9200.h" 28#include "lib.h" 29#include "at91rm9200_lowlevel.h" 30#include "spi_flash.h" 31
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32#define OFFSET 0
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32#define LOADER_OFFSET 0 33#define FPGA_OFFSET (15 * FLASH_PAGE_SIZE) 34#define OFFSET LOADER_OFFSET |
35 36int 37main(void) 38{ 39 int len, i, j, off;
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38 char *addr = (char *)SDRAM_BASE + (1 << 20); /* Load to base + 1MB */
39 char *addr2 = (char *)SDRAM_BASE + (2 << 20); /* Load to base + 2MB */
40 char *addr3 = (char *)SDRAM_BASE + (3 << 20); /* Load to base + 2MB */
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40 char *addr = (char *)SDRAM_BASE + (1 << 20); /* download at + 1MB */ 41 char *addr2 = (char *)SDRAM_BASE + (2 << 20); /* readback to + 2MB */ 42 char *addr3 = (char *)SDRAM_BASE + (3 << 20); /* extra copy at + 3MB */ |
43 44 SPI_InitFlash(); 45 printf("Waiting for data\n"); 46 while ((len = xmodem_rx(addr)) == -1) 47 continue;
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46 printf("\nDownloaded %u bytes.\n", len);
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48 // Need extra copy at addr3 |
49 memcpy(addr3, addr, (len + FLASH_PAGE_SIZE - 1) / FLASH_PAGE_SIZE * FLASH_PAGE_SIZE); 50 printf("Writing %u bytes to flash at %u\n", len, OFFSET); 51 for (i = 0; i < len; i+= FLASH_PAGE_SIZE) { 52 for (j = 0; j < 10; j++) { 53 off = i + OFFSET; 54 SPI_WriteFlash(off, addr + i, FLASH_PAGE_SIZE); 55 SPI_ReadFlash(off, addr2 + i, FLASH_PAGE_SIZE); 56 if (p_memcmp(addr3 + i, addr2 + i, FLASH_PAGE_SIZE) == 0) 57 break; 58 } 59 if (j >= 10) 60 printf("Bad Readback at %u\n", i); 61 }
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62 printf("Done\n"); |
63 return (1); 64}
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