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Diffstat (limited to 'board/lpc2292sodimm/flash.c')
-rw-r--r--board/lpc2292sodimm/flash.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/board/lpc2292sodimm/flash.c b/board/lpc2292sodimm/flash.c
deleted file mode 100644
index fd5389f..0000000
--- a/board/lpc2292sodimm/flash.c
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
- *
- * Modified to use the routines in arch/arm/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
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/arch/hardware.h>
-
-#define SST_BASEADDR 0x80000000
-#define SST_ADDR1 ((volatile ushort*)(SST_BASEADDR + (0x5555 << 1)))
-#define SST_ADDR2 ((volatile ushort*)(SST_BASEADDR + (0x2AAA << 1)))
-
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-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);
-
-/*-----------------------------------------------------------------------
- *
- */
-void write_word_sst(ulong addr, ushort data)
-{
- ushort tmp;
-
- *SST_ADDR1 = 0x00AA;
- *SST_ADDR2 = 0x0055;
- *SST_ADDR1 = 0x00A0;
- *((volatile ushort*)addr) = data;
- /* do data polling */
- do {
- tmp = *((volatile ushort*)addr);
- } while (tmp != data);
-}
-
-/*-----------------------------------------------------------------------
- */
-
-ulong flash_init (void)
-{
- int j, k;
- ulong size = 0;
- ulong flashbase = 0;
-
- flash_info[0].flash_id = (PHILIPS_LPC2292 & FLASH_VENDMASK);
- flash_info[0].size = 0x003E000; /* 256 - 8 KB */
- flash_info[0].sector_count = 17;
- memset (flash_info[0].protect, 0, 17);
- flashbase = 0x00000000;
- for (j = 0, k = 0; j < 8; j++, k++) {
- flash_info[0].start[k] = flashbase;
- flashbase += 0x00002000;
- }
- for (j = 0; j < 2; j++, k++) {
- flash_info[0].start[k] = flashbase;
- flashbase += 0x00010000;
- }
- for (j = 0; j < 7; j++, k++) {
- flash_info[0].start[k] = flashbase;
- flashbase += 0x00002000;
- }
- size += flash_info[0].size;
-
- flash_info[1].flash_id = (SST_MANUFACT & FLASH_VENDMASK);
- flash_info[1].size = 0x00200000; /* 2 MB */
- flash_info[1].sector_count = 512;
- memset (flash_info[1].protect, 0, 512);
- flashbase = SST_BASEADDR;
- for (j=0; j<512; j++) {
- flash_info[1].start[j] = flashbase;
- flashbase += 0x1000; /* 4 KB sectors */
- }
- size += flash_info[1].size;
-
- /* Protect monitor and environment sectors */
- flash_protect (FLAG_PROTECT_SET,
- 0x0,
- 0x0 + monitor_flash_len - 1,
- &flash_info[0]);
-
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_ENV_ADDR,
- CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
- &flash_info[0]);
-
- return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info (flash_info_t * info)
-{
- int i;
- int erased = 0;
- unsigned long j;
- unsigned long count;
- unsigned char *p;
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case (SST_MANUFACT & FLASH_VENDMASK):
- printf("SST: ");
- break;
- case (PHILIPS_LPC2292 & FLASH_VENDMASK):
- printf("Philips: ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-
- printf (" Size: %ld KB in %d Sectors\n",
- info->size >> 10, info->sector_count);
-
- printf (" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; i++) {
- if ((i % 5) == 0) {
- printf ("\n ");
- }
- if (i < (info->sector_count - 1)) {
- count = info->start[i+1] - info->start[i];
- }
- else {
- count = info->start[0] + info->size - info->start[i];
- }
- p = (unsigned char*)(info->start[i]);
- erased = 1;
- for (j = 0; j < count; j++) {
- if (*p != 0xFF) {
- erased = 0;
- break;
- }
- p++;
- }
- printf (" %08lX%s%s", info->start[i], info->protect[i] ? " RO" : " ",
- erased ? " E" : " ");
- }
- printf ("\n");
-}
-
-int flash_erase_sst (flash_info_t * info, int s_first, int s_last)
-{
- int i;
-
- for (i = s_first; i <= s_last; i++) {
- *SST_ADDR1 = 0x00AA;
- *SST_ADDR2 = 0x0055;
- *SST_ADDR1 = 0x0080;
- *SST_ADDR1 = 0x00AA;
- *SST_ADDR2 = 0x0055;
- *((volatile ushort*)(info->start[i])) = 0x0030;
- /* wait for erase to finish */
- udelay(25000);
- }
-
- return ERR_OK;
-}
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- switch (info->flash_id & FLASH_VENDMASK) {
- case (SST_MANUFACT & FLASH_VENDMASK):
- return flash_erase_sst(info, s_first, s_last);
- case (PHILIPS_LPC2292 & FLASH_VENDMASK):
- return lpc2292_flash_erase(info, s_first, s_last);
- default:
- return ERR_PROTECTED;
- }
- return ERR_PROTECTED;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- *
- * cnt is in bytes
- */
-
-int write_buff_sst (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
- ushort tmp;
- ulong i;
- uchar* src_org;
- uchar* dst_org;
- ulong cnt_org = cnt;
- int ret = ERR_OK;
-
- src_org = src;
- dst_org = (uchar*)addr;
-
- if (addr & 1) { /* if odd address */
- tmp = *((uchar*)(addr - 1)); /* little endian */
- tmp |= (*src << 8);
- write_word_sst(addr - 1, tmp);
- addr += 1;
- cnt -= 1;
- src++;
- }
- while (cnt > 1) {
- tmp = ((*(src+1)) << 8) + (*src); /* little endian */
- write_word_sst(addr, tmp);
- addr += 2;
- src += 2;
- cnt -= 2;
- }
- if (cnt > 0) {
- tmp = (*((uchar*)(addr + 1))) << 8;
- tmp |= *src;
- write_word_sst(addr, tmp);
- }
-
- for (i = 0; i < cnt_org; i++) {
- if (*dst_org != *src_org) {
- printf("Write failed. Byte %lX differs\n", i);
- ret = ERR_PROG_ERROR;
- break;
- }
- dst_org++;
- src_org++;
- }
-
- 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 lpc2292_write_buff(info, src, addr, cnt);
- default:
- return ERR_PROG_ERROR;
- }
- return ERR_PROG_ERROR;
-}
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