New board SMN42 branch

1 files changed, 8 insertions, 232 deletions

diff --git a/board/lpc2292sodimm/flash.c b/board/lpc2292sodimm/flash.c
index 55aaabf..0fb0843 100644
--- a/board/lpc2292sodimm/flash.c
+++ b/board/lpc2292sodimm/flash.c
@@ -1,6 +1,9 @@
 /*
  * (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
  *
+ * Modified to use the routines in cpu/arm720t/lpc2292/flash.c by
+ * Gary Jennejohn <garyj@denx,de>
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
@@ -20,84 +23,16 @@
 #include <common.h>
 #include <asm/arch/hardware.h>
 
-/* IAP commands use 32 bytes at the top of CPU internal sram, we
-   use 512 bytes below that */
-#define COPY_BUFFER_LOCATION 0x40003de0
-
-#define IAP_LOCATION 0x7ffffff1
-#define IAP_CMD_PREPARE 50
-#define IAP_CMD_COPY 51
-#define IAP_CMD_ERASE 52
-#define IAP_CMD_CHECK 53
-#define IAP_CMD_ID 54
-#define IAP_CMD_VERSION 55
-#define IAP_CMD_COMPARE 56
-
-#define IAP_RET_CMD_SUCCESS 0
-
 #define SST_BASEADDR 0x80000000
 #define SST_ADDR1 ((volatile ushort*)(SST_BASEADDR + (0x5555 << 1)))
 #define SST_ADDR2 ((volatile ushort*)(SST_BASEADDR + (0x2AAA << 1)))
 
 
-static unsigned long command[5];
-static unsigned long result[2];
-
 flash_info_t flash_info[CFG_MAX_FLASH_BANKS];
 
-extern void iap_entry(unsigned long * command, unsigned long * result);
-
-/*-----------------------------------------------------------------------
- *
- */
-int get_flash_sector(flash_info_t * info, ulong flash_addr)
-{
-	int i;
-
-	for(i=1; i < (info->sector_count); i++) {
-		if (flash_addr < (info->start[i]))
-			break;
-	}
-
-	return (i-1);
-}
-
-/*-----------------------------------------------------------------------
- * This function assumes that flash_addr is aligned on 512 bytes boundary
- * in flash. This function also assumes that prepare have been called
- * for the sector in question.
- */
-int copy_buffer_to_flash(flash_info_t * info, ulong flash_addr)
-{
-	int first_sector;
-	int last_sector;
-
-	first_sector = get_flash_sector(info, flash_addr);
-	last_sector = get_flash_sector(info, flash_addr + 512 - 1);
-
-	/* prepare sectors for write */
-	command[0] = IAP_CMD_PREPARE;
-	command[1] = first_sector;
-	command[2] = last_sector;
-	iap_entry(command, result);
-	if (result[0] != IAP_RET_CMD_SUCCESS) {
-		printf("IAP prepare failed\n");
-		return ERR_PROG_ERROR;
-	}
-
-	command[0] = IAP_CMD_COPY;
-	command[1] = flash_addr;
-	command[2] = COPY_BUFFER_LOCATION;
-	command[3] = 512;
-	command[4] = CFG_SYS_CLK_FREQ >> 10;
-	iap_entry(command, result);
-	if (result[0] != IAP_RET_CMD_SUCCESS) {
-		printf("IAP copy failed\n");
-		return 1;
-	}
-
-	return 0;
-}
+extern int lpc2292_copy_buffer_to_flash(flash_info_t *, ulong);
+extern int lpc2292_flash_erase(flash_info_t *, int, int);
+extern int lpc2292_write_buff (flash_info_t *, uchar *, ulong, ulong);
 
 /*-----------------------------------------------------------------------
  *
@@ -220,56 +155,6 @@ void flash_print_info (flash_info_t * info)
 	printf ("\n");
 }
 
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase_philips (flash_info_t * info, int s_first, int s_last)
-{
-	int flag;
-	int prot;
-	int sect;
-
-	prot = 0;
-	for (sect = s_first; sect <= s_last; ++sect) {
-		if (info->protect[sect]) {
-			prot++;
-		}
-	}
-	if (prot)
-		return ERR_PROTECTED;
-
-
-	flag = disable_interrupts();
-
-	printf ("Erasing %d sectors starting at sector %2d.\n"
-	"This make take some time ... ",
-	s_last - s_first + 1, s_first);
-
-	command[0] = IAP_CMD_PREPARE;
-	command[1] = s_first;
-	command[2] = s_last;
-	iap_entry(command, result);
-	if (result[0] != IAP_RET_CMD_SUCCESS) {
-		printf("IAP prepare failed\n");
-		return ERR_PROTECTED;
-	}
-
-	command[0] = IAP_CMD_ERASE;
-	command[1] = s_first;
-	command[2] = s_last;
-	command[3] = CFG_SYS_CLK_FREQ >> 10;
-	iap_entry(command, result);
-	if (result[0] != IAP_RET_CMD_SUCCESS) {
-		printf("IAP erase failed\n");
-		return ERR_PROTECTED;
-	}
-
-	if (flag)
-		enable_interrupts();
-
-	return ERR_OK;
-}
-
 int flash_erase_sst (flash_info_t * info, int s_first, int s_last)
 {
 	int i;
@@ -294,7 +179,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 		case (SST_MANUFACT & FLASH_VENDMASK):
 			return flash_erase_sst(info, s_first, s_last);
 		case (PHILIPS_LPC2292 & FLASH_VENDMASK):
-			return flash_erase_philips(info, s_first, s_last);
+			return lpc2292_flash_erase(info, s_first, s_last);
 		default:
 			return ERR_PROTECTED;
 	}
@@ -353,122 +238,13 @@ int write_buff_sst (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 	return ret;
 }
 
-int write_buff_philips (flash_info_t * info,
-			uchar * src,
-			ulong addr,
-			ulong cnt)
-{
-	int first_copy_size;
-	int last_copy_size;
-	int first_block;
-	int last_block;
-	int nbr_mid_blocks;
-	uchar memmap_value;
-	ulong i;
-	uchar* src_org;
-	uchar* dst_org;
-	int ret = ERR_OK;
-
-	src_org = src;
-	dst_org = (uchar*)addr;
-
-	first_block = addr / 512;
-	last_block = (addr + cnt) / 512;
-	nbr_mid_blocks = last_block - first_block - 1;
-
-	first_copy_size = 512 - (addr % 512);
-	last_copy_size = (addr + cnt) % 512;
-
-#if 0
-	printf("\ncopy first block: (1) %lX -> %lX 0x200 bytes, "
-		"(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX 0x200 bytes\n",
-	(ulong)(first_block * 512),
-	(ulong)COPY_BUFFER_LOCATION,
-	(ulong)src,
-	(ulong)(COPY_BUFFER_LOCATION + 512 - first_copy_size),
-	first_copy_size,
-	(ulong)COPY_BUFFER_LOCATION,
-	(ulong)(first_block * 512));
-#endif
-
-	/* copy first block */
-	memcpy((void*)COPY_BUFFER_LOCATION,
-		(void*)(first_block * 512), 512);
-	memcpy((void*)(COPY_BUFFER_LOCATION + 512 - first_copy_size),
-		src, first_copy_size);
-	copy_buffer_to_flash(info, first_block * 512);
-	src += first_copy_size;
-	addr += first_copy_size;
-
-	/* copy middle blocks */
-	for (i = 0; i < nbr_mid_blocks; i++) {
-#if 0
-		printf("copy middle block: %lX -> %lX 512 bytes, "
-		"%lX -> %lX 512 bytes\n",
-		(ulong)src,
-		(ulong)COPY_BUFFER_LOCATION,
-		(ulong)COPY_BUFFER_LOCATION,
-		(ulong)addr);
-#endif
-		memcpy((void*)COPY_BUFFER_LOCATION, src, 512);
-		copy_buffer_to_flash(info, addr);
-		src += 512;
-		addr += 512;
-	}
-
-
-	if (last_copy_size > 0) {
-#if 0
-		printf("copy last block: (1) %lX -> %lX 0x200 bytes, "
-		"(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX x200 bytes\n",
-		(ulong)(last_block * 512),
-		(ulong)COPY_BUFFER_LOCATION,
-		(ulong)src,
-		(ulong)(COPY_BUFFER_LOCATION),
-		last_copy_size,
-		(ulong)COPY_BUFFER_LOCATION,
-		(ulong)addr);
-#endif
-		/* copy last block */
-		memcpy((void*)COPY_BUFFER_LOCATION,
-			(void*)(last_block * 512), 512);
-		memcpy((void*)COPY_BUFFER_LOCATION,
-			src, last_copy_size);
-		copy_buffer_to_flash(info, addr);
-	}
-
-	/* verify write */
-	memmap_value = GET8(MEMMAP);
-
-	disable_interrupts();
-
-	PUT8(MEMMAP, 01);		/* we must make sure that initial 64
-							   bytes are taken from flash when we
-							   do the compare */
-
-	for (i = 0; i < cnt; i++) {
-		if (*dst_org != *src_org){
-			printf("Write failed. Byte %lX differs\n", i);
-			ret = ERR_PROG_ERROR;
-			break;
-		}
-		dst_org++;
-		src_org++;
-	}
-
-	PUT8(MEMMAP, memmap_value);
-	enable_interrupts();
-
-	return ret;
-}
-
 int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
 {
 	switch (info->flash_id & FLASH_VENDMASK) {
 		case (SST_MANUFACT & FLASH_VENDMASK):
 			return write_buff_sst(info, src, addr, cnt);
 		case (PHILIPS_LPC2292 & FLASH_VENDMASK):
-			return write_buff_philips(info, src, addr, cnt);
+			return lpc2292_write_buff(info, src, addr, cnt);
 		default:
 			return ERR_PROG_ERROR;
 	}