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-rw-r--r--board/armadillo/flash.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/board/armadillo/flash.c b/board/armadillo/flash.c
deleted file mode 100644
index cf7d7f6..0000000
--- a/board/armadillo/flash.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2005 Rowel Atienza <rowel@diwalabs.com>
- * Flash driver for armadillo board HT1070
- *
- * 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
- */
-
-#include <common.h>
-
-#define FLASH_BANK_SIZE 0x400000
-
-/*value used by hermit is 0x200*/
-/*document says sector size is either 64k in low mem reg and 8k in high mem reg*/
-#define MAIN_SECT_SIZE 0x10000
-
-#define UNALIGNED_MASK (3)
-#define FL_WORD(addr) (*(volatile unsigned short*)(addr))
-#define FLASH_TIMEOUT 20000000
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-/*-----------------------------------------------------------------------
- */
-
-ulong flash_init (void)
-{
- int i, j;
- ulong size = 0;
-
- for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
- ulong flashbase = 0;
-
- flash_info[i].flash_id = (FUJ_MANUFACT & FLASH_VENDMASK);
- /*(INTEL_ID_28F128J3 & FLASH_TYPEMASK); */
- flash_info[i].size = FLASH_BANK_SIZE;
- flash_info[i].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
- memset (flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
- if (i == 0)
- flashbase = PHYS_FLASH_1;
- else
- panic ("configured too many flash banks!\n");
- for (j = 0; j < flash_info[i].sector_count; j++) {
- flash_info[i].start[j] =
- flashbase + j * MAIN_SECT_SIZE;
- }
- size += flash_info[i].size;
- }
-
- /* Protect monitor and environment sectors
- */
- flash_protect (FLAG_PROTECT_SET,
- CONFIG_SYS_FLASH_BASE,
- CONFIG_SYS_FLASH_BASE + 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;
-
- switch (info->flash_id & FLASH_VENDMASK) {
- case (FUJ_MANUFACT & FLASH_VENDMASK):
- printf ("Fujitsu: ");
- break;
- default:
- printf ("Unknown Vendor ");
- break;
- }
-/*
- switch (info->flash_id & FLASH_TYPEMASK) {
- case (INTEL_ID_28F128J3 & FLASH_TYPEMASK):
- printf ("28F128J3 (128Mbit)\n");
- break;
- default:
- printf ("Unknown Chip Type\n");
- goto Done;
- break;
- }
-*/
- printf (" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
-
- printf (" Sector Start Addresses:");
- for (i = 0; i < info->sector_count; i++) {
- if ((i % 5) == 0) {
- printf ("\n ");
- }
- printf (" %08lX%s", info->start[i],
- info->protect[i] ? " (RO)" : " ");
- }
- printf ("\n");
-
-/*
-Done: ;
-*/
-}
-
-/*
- * * Loop until both write state machines complete.
- * */
-static unsigned short flash_status_wait (unsigned long addr,
- unsigned short value)
-{
- unsigned short status;
- long timeout = FLASH_TIMEOUT;
-
- while (((status = (FL_WORD (addr))) != value) && timeout > 0) {
- timeout--;
- }
- return status;
-}
-
-/*
- * Loop until the Write State machine is ready, then do a full error
- * check. Clear status and leave the flash in Read Array mode; return
- * 0 for no error, -1 for error.
- */
-static int flash_status_full_check (unsigned long addr, unsigned short value1,
- unsigned short value2)
-{
- unsigned short status1, status2;
-
- status1 = flash_status_wait (addr, value1);
- status2 = flash_status_wait (addr + 2, value2);
- return (status1 != value1 || status2 != value2) ? -1 : 0;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
- int flag, prot, sect;
- int rc = ERR_OK;
- unsigned long base;
- unsigned long addr;
- ulong start;
-
- if ((info->flash_id & FLASH_VENDMASK) !=
- (FUJ_MANUFACT & FLASH_VENDMASK)) {
- return ERR_UNKNOWN_FLASH_VENDOR;
- }
-
- prot = 0;
- for (sect = s_first; sect <= s_last; ++sect) {
- if (info->protect[sect]) {
- prot++;
- }
- }
- if (prot)
- return ERR_PROTECTED;
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- flag = disable_interrupts ();
-
- printf ("Erasing %d sectors starting at sector %2d.\n"
- "This make take some time ... ",
- s_last - s_first, sect);
- /* Start erase on unprotected sectors */
- for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
- /* ARM simple, non interrupt dependent timer */
- start = get_timer(0);
-
- if (info->protect[sect] == 0) { /* not protected */
-
- addr = sect * MAIN_SECT_SIZE;
- addr &= ~(unsigned long) UNALIGNED_MASK; /* word align */
- base = addr & 0xF0000000;
-
- FL_WORD (base + (0x555 << 1)) = 0xAA;
- FL_WORD (base + (0x2AA << 1)) = 0x55;
- FL_WORD (base + (0x555 << 1)) = 0x80;
- FL_WORD (base + (0x555 << 1)) = 0xAA;
- FL_WORD (base + (0x2AA << 1)) = 0x55;
- FL_WORD (addr) = 0x30;
- if (flash_status_full_check (addr, 0xFFFF, 0xFFFF))
- return ERR_PROTECTED;
- }
- }
- printf ("\nDone.\n");
- if (ctrlc ())
- printf ("User Interrupt!\n");
-
- /* allow flash to settle - wait 10 ms */
- udelay_masked (10000);
-
- if (flag)
- enable_interrupts ();
-
- return rc;
-}
-
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash
- */
-
-static int write_word (flash_info_t * info, ulong dest, ushort data)
-{
- int flag;
- unsigned long base;
- ulong start;
-
- /* Check if Flash is (sufficiently) erased
- */
- if ((FL_WORD (dest) & data) != data)
- return ERR_NOT_ERASED;
-
- /*if(dest & UNALIGNED_MASK) return ERR_ALIGN; */
-
- /*
- * Disable interrupts which might cause a timeout
- * here. Remember that our exception vectors are
- * at address 0 in the flash, and we don't want a
- * (ticker) exception to happen while the flash
- * chip is in programming mode.
- */
- flag = disable_interrupts ();
-
- /* arm simple, non interrupt dependent timer */
- start = get_timer(0);
-
- base = dest & 0xF0000000;
- FL_WORD (base + (0x555 << 1)) = 0xAA;
- FL_WORD (base + (0x2AA << 1)) = 0x55;
- FL_WORD (base + (0x555 << 1)) = 0xA0;
- FL_WORD (dest) = data;
- /*printf("writing 0x%p = 0x%x\n",dest,data); */
- if (flash_status_wait (dest, data) != data)
- return ERR_PROG_ERROR;
-
- if (flag)
- enable_interrupts ();
-
- return ERR_OK;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
- ulong cp, wp;
- ushort data;
- int l;
- int i, rc;
-
- wp = (addr & ~1); /* get lower word aligned address */
- printf ("Writing %lu short data to 0x%lx from 0x%p.\n ", cnt, wp, src);
-
- /*
- * handle unaligned start bytes
- */
- if ((l = addr - wp) != 0) {
- data = 0;
- for (i = 0, cp = wp; i < l; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 8);
- }
- for (; i < 2 && cnt > 0; ++i) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- ++cp;
- }
- for (; cnt == 0 && i < 2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 8);
- }
-
- if ((rc = write_word (info, wp, data)) != 0) {
- return (rc);
- }
- wp += 2;
- }
-
- /*
- * handle word aligned part
- */
- while (cnt >= 2) {
- data = *((vu_short *) src);
- if ((rc = write_word (info, wp, data)) != 0) {
- return (rc);
- }
- src += 2;
- wp += 2;
- cnt -= 2;
- }
-
- if (cnt == 0) {
- printf ("\nDone.\n");
- return ERR_OK;
- }
-
- /*
- * handle unaligned tail bytes
- */
- data = 0;
- for (i = 0, cp = wp; i < 2 && cnt > 0; ++i, ++cp) {
- data = (data >> 8) | (*src++ << 8);
- --cnt;
- }
- for (; i < 2; ++i, ++cp) {
- data = (data >> 8) | (*(uchar *) cp << 8);
- }
-
- return write_word (info, wp, data);
-}
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