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Diffstat (limited to 'board/amcc/walnut/flash.c')
-rw-r--r--board/amcc/walnut/flash.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/board/amcc/walnut/flash.c b/board/amcc/walnut/flash.c
deleted file mode 100644
index 056f9b9362..0000000000
--- a/board/amcc/walnut/flash.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * (C) Copyright 2000-2005
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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
- */
-
-/*
- * Modified 4/5/2001
- * Wait for completion of each sector erase command issued
- * 4/5/2001
- * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com
- */
-
-#include <common.h>
-#include <ppc4xx.h>
-#include <asm/processor.h>
-
-#undef DEBUG
-#ifdef DEBUG
-#define DEBUGF(x...) printf(x)
-#else
-#define DEBUGF(x...)
-#endif /* DEBUG */
-
-/*
- * include common flash code (for amcc boards)
- */
-#include "../common/flash.c"
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size(vu_long * addr, flash_info_t * info);
-static void flash_get_offsets(ulong base, flash_info_t * info);
-
-unsigned long flash_init(void)
-{
- unsigned long size_b0, size_b1;
- int i;
- uint pbcr;
- unsigned long base_b0, base_b1;
-
- /* Init: no FLASHes known */
- for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
- flash_info[i].flash_id = FLASH_UNKNOWN;
- }
-
- /* Static FLASH Bank configuration here - FIXME XXX */
-
- size_b0 =
- flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]);
-
- if (flash_info[0].flash_id == FLASH_UNKNOWN) {
- printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size_b0, size_b0 << 20);
- }
-
- /* Only one bank */
- if (CFG_MAX_FLASH_BANKS == 1) {
- /* Setup offsets */
- flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]);
-
- /* Monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- CFG_MONITOR_BASE,
- CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1,
- &flash_info[0]);
-#ifdef CFG_ENV_IS_IN_FLASH
- (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
- CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1,
- &flash_info[0]);
- (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND,
- CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1,
- &flash_info[0]);
-#endif
-
- size_b1 = 0;
- flash_info[0].size = size_b0;
- } else {
- /* 2 banks */
- size_b1 =
- flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
- &flash_info[1]);
-
- /* Re-do sizing to get full correct info */
-
- if (size_b1) {
- mtdcr(ebccfga, pb0cr);
- pbcr = mfdcr(ebccfgd);
- mtdcr(ebccfga, pb0cr);
- base_b1 = -size_b1;
- pbcr =
- (pbcr & 0x0001ffff) | base_b1 |
- (((size_b1 / 1024 / 1024) - 1) << 17);
- mtdcr(ebccfgd, pbcr);
- /* printf("pb1cr = %x\n", pbcr); */
- }
-
- if (size_b0) {
- mtdcr(ebccfga, pb1cr);
- pbcr = mfdcr(ebccfgd);
- mtdcr(ebccfga, pb1cr);
- base_b0 = base_b1 - size_b0;
- pbcr =
- (pbcr & 0x0001ffff) | base_b0 |
- (((size_b0 / 1024 / 1024) - 1) << 17);
- mtdcr(ebccfgd, pbcr);
- /* printf("pb0cr = %x\n", pbcr); */
- }
-
- size_b0 = flash_get_size((vu_long *) base_b0, &flash_info[0]);
-
- flash_get_offsets(base_b0, &flash_info[0]);
-
- /* monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- base_b0 + size_b0 - monitor_flash_len,
- base_b0 + size_b0 - 1, &flash_info[0]);
-
- if (size_b1) {
- /* Re-do sizing to get full correct info */
- size_b1 =
- flash_get_size((vu_long *) base_b1, &flash_info[1]);
-
- flash_get_offsets(base_b1, &flash_info[1]);
-
- /* monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- base_b1 + size_b1 -
- monitor_flash_len,
- base_b1 + size_b1 - 1,
- &flash_info[1]);
- /* monitor protection OFF by default (one is enough) */
- (void)flash_protect(FLAG_PROTECT_CLEAR,
- base_b0 + size_b0 -
- monitor_flash_len,
- base_b0 + size_b0 - 1,
- &flash_info[0]);
- } else {
- flash_info[1].flash_id = FLASH_UNKNOWN;
- flash_info[1].sector_count = -1;
- }
-
- flash_info[0].size = size_b0;
- flash_info[1].size = size_b1;
- } /* else 2 banks */
- return (size_b0 + size_b1);
-}
-
-
-static void flash_get_offsets(ulong base, flash_info_t * info)
-{
- int i;
-
- /* set up sector start address table */
- if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) ||
- (info->flash_id == FLASH_AM040)) {
- for (i = 0; i < info->sector_count; i++)
- info->start[i] = base + (i * 0x00010000);
- } else {
- if (info->flash_id & FLASH_BTYPE) {
- /* set sector offsets for bottom boot block type */
- info->start[0] = base + 0x00000000;
- info->start[1] = base + 0x00004000;
- info->start[2] = base + 0x00006000;
- info->start[3] = base + 0x00008000;
- for (i = 4; i < info->sector_count; i++) {
- info->start[i] =
- base + (i * 0x00010000) - 0x00030000;
- }
- } else {
- /* set sector offsets for top boot block type */
- i = info->sector_count - 1;
- info->start[i--] = base + info->size - 0x00004000;
- info->start[i--] = base + info->size - 0x00006000;
- info->start[i--] = base + info->size - 0x00008000;
- for (; i >= 0; i--) {
- info->start[i] = base + i * 0x00010000;
- }
- }
- }
-}
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