Remove stale file entry
authorWolfgang Denk <wd@pollux.denx.de>
Fri, 12 Aug 2005 21:51:07 +0000 (23:51 +0200)
committerWolfgang Denk <wd@pollux.denx.de>
Fri, 12 Aug 2005 21:51:07 +0000 (23:51 +0200)
board/pm854/flash.c [deleted file]

diff --git a/board/pm854/flash.c b/board/pm854/flash.c
deleted file mode 100644 (file)
index d714589..0000000
+++ /dev/null
@@ -1,541 +0,0 @@
-/*
- * (C) Copyright 2003 Motorola Inc.
- *  Xianghua Xiao,(X.Xiao@motorola.com)
- *
- * (C) Copyright 2000-2005
- *  Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
- * Add support the Sharp chips on the mpc8260ads.
- * I started with board/ip860/flash.c and made changes I found in
- * the MTD project by David Schleef.
- *
- * 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>
-
-#if !defined(CFG_NO_FLASH)
-
-flash_info_t   flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips        */
-
-#if defined(CFG_ENV_IS_IN_FLASH)
-# ifndef  CFG_ENV_ADDR
-#  define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
-# endif
-# ifndef  CFG_ENV_SIZE
-#  define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
-# endif
-# ifndef  CFG_ENV_SECT_SIZE
-#  define CFG_ENV_SECT_SIZE  CFG_ENV_SIZE
-# endif
-#endif
-
-#undef DEBUG
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-static ulong flash_get_size (vu_long *addr, flash_info_t *info);
-static int write_word (flash_info_t *info, ulong dest, ulong data);
-static int clear_block_lock_bit(vu_long * addr);
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-       unsigned long size;
-       int i;
-
-       /* Init: enable write,
-        * or we cannot even write flash commands
-        */
-       for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
-               flash_info[i].flash_id = FLASH_UNKNOWN;
-
-               /* set the default sector offset */
-       }
-
-       /* Static FLASH Bank configuration here - FIXME XXX */
-
-       size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
-
-       if (flash_info[0].flash_id == FLASH_UNKNOWN) {
-               printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
-                       size, size<<20);
-       }
-
-       /* Re-do sizing to get full correct info */
-       size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
-
-       flash_info[0].size = size;
-
-#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
-       /* monitor protection ON by default */
-       flash_protect(FLAG_PROTECT_SET,
-                     CFG_MONITOR_BASE,
-                     CFG_MONITOR_BASE+monitor_flash_len-1,
-                     &flash_info[0]);
-
-#ifdef CFG_ENV_IS_IN_FLASH
-       /* ENV protection ON by default */
-       flash_protect(FLAG_PROTECT_SET,
-                     CFG_ENV_ADDR,
-                     CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1,
-                     &flash_info[0]);
-#endif
-#endif
-       return (size);
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info  (flash_info_t *info)
-{
-       int i;
-
-       if (info->flash_id == FLASH_UNKNOWN) {
-               printf ("missing or unknown FLASH type\n");
-               return;
-       }
-
-       switch (info->flash_id & FLASH_VENDMASK) {
-       case FLASH_MAN_INTEL:   printf ("Intel ");              break;
-       case FLASH_MAN_SHARP:   printf ("Sharp ");              break;
-       default:                printf ("Unknown Vendor ");     break;
-       }
-
-       switch (info->flash_id & FLASH_TYPEMASK) {
-       case FLASH_28F016SV:    printf ("28F016SV (16 Mbit, 32 x 64k)\n");
-                               break;
-       case FLASH_28F160S3:    printf ("28F160S3 (16 Mbit, 32 x 512K)\n");
-                               break;
-       case FLASH_28F320S3:    printf ("28F320S3 (32 Mbit, 64 x 512K)\n");
-                               break;
-       case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n");
-                               break;
-       case FLASH_28F640J3A:   printf ("28F640J3A (64 Mbit, 64 x 128K)\n");
-                               break;
-       case FLASH_28F128J3A:   printf ("28F128J3A (128 Mbit, 128 x 128K)\n");
-                               break;
-
-       default:                printf ("Unknown Chip Type\n");
-                               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");
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-
-static ulong flash_get_size (vu_long *addr, flash_info_t *info)
-{
-       short i;
-       ulong value;
-       ulong base = (ulong)addr;
-       ulong sector_offset;
-
-#ifdef DEBUG
-       printf("Check flash at 0x%08x\n",(uint)addr);
-#endif
-       /* Write "Intelligent Identifier" command: read Manufacturer ID */
-       *addr = 0x90909090;
-       udelay(20);
-       asm("sync");
-
-       value = addr[0] & 0x00FF00FF;
-
-#ifdef DEBUG
-       printf("manufacturer=0x%x\n",(uint)value);
-#endif
-       switch (value) {
-       case MT_MANUFACT:       /* SHARP, MT or => Intel */
-       case INTEL_ALT_MANU:
-               info->flash_id = FLASH_MAN_INTEL;
-               break;
-       default:
-               printf("unknown manufacturer: %x\n", (unsigned int)value);
-               info->flash_id = FLASH_UNKNOWN;
-               info->sector_count = 0;
-               info->size = 0;
-               return (0);                     /* no or unknown flash  */
-       }
-
-       value = addr[1] & 0x00FF00FF;             /* device ID            */
-
-#ifdef DEBUG
-       printf("deviceID=0x%x\n",(uint)value);
-#endif
-       switch (value) {
-       case (INTEL_ID_28F016S):
-               info->flash_id += FLASH_28F016SV;
-               info->sector_count = 32;
-               info->size = 0x00400000;
-               sector_offset = 0x20000;
-               break;                          /* => 2x2 MB            */
-
-       case (INTEL_ID_28F160S3):
-               info->flash_id += FLASH_28F160S3;
-               info->sector_count = 32;
-               info->size = 0x00400000;
-               sector_offset = 0x20000;
-               break;                          /* => 2x2 MB            */
-
-       case (INTEL_ID_28F320S3):
-               info->flash_id += FLASH_28F320S3;
-               info->sector_count = 64;
-               info->size = 0x00800000;
-               sector_offset = 0x20000;
-               break;                          /* => 2x4 MB            */
-
-       case (INTEL_ID_28F640J3A):
-               info->flash_id += FLASH_28F640J3A;
-               info->sector_count = 64;
-               info->size = 0x01000000;
-               sector_offset = 0x40000;
-               break;                          /* => 2x8 MB             */
-
-       case (INTEL_ID_28F128J3A):
-               info->flash_id += FLASH_28F128J3A;
-               info->sector_count = 128;
-               info->size = 0x02000000;
-               sector_offset = 0x40000;
-               break;                          /* => 2x16 MB             */
-
-
-       case SHARP_ID_28F016SCL:
-       case SHARP_ID_28F016SCZ:
-               info->flash_id      = FLASH_MAN_SHARP | FLASH_LH28F016SCT;
-               info->sector_count  = 32;
-               info->size          = 0x00800000;
-               sector_offset = 0x40000;
-               break;                          /* => 4x2 MB            */
-
-
-       default:
-               info->flash_id = FLASH_UNKNOWN;
-               return (0);                     /* => no or unknown flash */
-
-       }
-
-       /* set up sector start address table */
-       for (i = 0; i < info->sector_count; i++) {
-               info->start[i] = base;
-               base += sector_offset;
-               /* don't know how to check sector protection */
-               info->protect[i] = 0;
-       }
-
-       /*
-        * Prevent writes to uninitialized FLASH.
-        */
-       if (info->flash_id != FLASH_UNKNOWN) {
-               addr = (vu_long *)info->start[0];
-               *addr = 0xFFFFFF;       /* reset bank to read array mode */
-               asm("sync");
-       }
-
-       return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int    flash_erase (flash_info_t *info, int s_first, int s_last)
-{
-       int flag, prot, sect;
-       ulong start, now, last;
-
-       if ((s_first < 0) || (s_first > s_last)) {
-               if (info->flash_id == FLASH_UNKNOWN) {
-                       printf ("- missing\n");
-               } else {
-                       printf ("- no sectors to erase\n");
-               }
-               return 1;
-       }
-
-       if (    ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_INTEL)
-            && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) {
-               printf ("Can't erase unknown flash type %08lx - aborted\n",
-                       info->flash_id);
-               return 1;
-       }
-
-       prot = 0;
-       for (sect=s_first; sect<=s_last; ++sect) {
-               if (info->protect[sect]) {
-                       prot++;
-               }
-       }
-
-       if (prot) {
-               printf ("- Warning: %d protected sectors will not be erased!\n",
-                       prot);
-       } else {
-               printf ("\n");
-       }
-
-#ifdef DEBUG
-       printf("\nFlash Erase:\n");
-#endif
-       /* Make Sure Block Lock Bit is not set. */
-       if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){
-               return 1;
-       }
-
-       /* Start erase on unprotected sectors */
-#if defined(DEBUG)
-       printf("Begin to erase now,s_first=0x%x s_last=0x%x...\n",s_first,s_last);
-#endif
-       for (sect = s_first; sect<=s_last; sect++) {
-               if (info->protect[sect] == 0) { /* not protected */
-                       vu_long *addr = (vu_long *)(info->start[sect]);
-                       asm("sync");
-
-                       last = start = get_timer (0);
-
-                       /* Disable interrupts which might cause a timeout here */
-                       flag = disable_interrupts();
-
-                       /* Reset Array */
-                       *addr = 0xffffffff;
-                       asm("sync");
-                       /* Clear Status Register */
-                       *addr = 0x50505050;
-                       asm("sync");
-                       /* Single Block Erase Command */
-                       *addr = 0x20202020;
-                       asm("sync");
-                       /* Confirm */
-                       *addr = 0xD0D0D0D0;
-                       asm("sync");
-
-                       if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
-                           /* Resume Command, as per errata update */
-                           *addr = 0xD0D0D0D0;
-                           asm("sync");
-                       }
-
-                       /* re-enable interrupts if necessary */
-                       if (flag)
-                               enable_interrupts();
-
-                       /* wait at least 80us - let's wait 1 ms */
-                       udelay (1000);
-                       while ((*addr & 0x00800080) != 0x00800080) {
-                               if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
-                                       printf ("Timeout\n");
-                                       *addr = 0xFFFFFFFF;     /* reset bank */
-                                       asm("sync");
-                                       return 1;
-                               }
-                               /* show that we're waiting */
-                               if ((now - last) > 1000) {      /* every second */
-                                       putc ('.');
-                                       last = now;
-                               }
-                       }
-
-                       /* reset to read mode */
-                       *addr = 0xFFFFFFFF;
-                       asm("sync");
-               }
-       }
-
-       printf ("flash erase done\n");
-       return 0;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
-       ulong cp, wp, data;
-       int i, l, rc;
-
-       wp = (addr & ~3);       /* get lower word aligned address */
-
-       /*
-        * 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);
-               }
-               for (; i<4 && cnt>0; ++i) {
-                       data = (data << 8) | *src++;
-                       --cnt;
-                       ++cp;
-               }
-               for (; cnt==0 && i<4; ++i, ++cp) {
-                       data = (data << 8) | (*(uchar *)cp);
-               }
-
-               if ((rc = write_word(info, wp, data)) != 0) {
-                       return (rc);
-               }
-               wp += 4;
-       }
-
-       /*
-        * handle word aligned part
-        */
-       while (cnt >= 4) {
-               data = 0;
-               for (i=0; i<4; ++i) {
-                       data = (data << 8) | *src++;
-               }
-               if ((rc = write_word(info, wp, data)) != 0) {
-                       return (rc);
-               }
-               wp  += 4;
-               cnt -= 4;
-       }
-
-       if (cnt == 0) {
-               return (0);
-       }
-
-       /*
-        * handle unaligned tail bytes
-        */
-       data = 0;
-       for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
-               data = (data << 8) | *src++;
-               --cnt;
-       }
-       for (; i<4; ++i, ++cp) {
-               data = (data << 8) | (*(uchar *)cp);
-       }
-
-       return (write_word(info, wp, data));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_word (flash_info_t *info, ulong dest, ulong data)
-{
-       vu_long *addr = (vu_long *)dest;
-       ulong start, csr;
-       int flag;
-
-       /* Check if Flash is (sufficiently) erased */
-       if ((*addr & data) != data) {
-               return (2);
-       }
-       /* Disable interrupts which might cause a timeout here */
-       flag = disable_interrupts();
-
-       /* Write Command */
-       *addr = 0x10101010;
-       asm("sync");
-
-       /* Write Data */
-       *addr = data;
-
-       /* re-enable interrupts if necessary */
-       if (flag)
-               enable_interrupts();
-
-       /* data polling for D7 */
-       start = get_timer (0);
-       flag  = 0;
-
-       while (((csr = *addr) & 0x00800080) != 0x00800080) {
-               if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
-                       flag = 1;
-                       break;
-               }
-       }
-       if (csr & 0x40404040) {
-               printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr);
-               flag = 1;
-       }
-
-       /* Clear Status Registers Command */
-       *addr = 0x50505050;
-       asm("sync");
-       /* Reset to read array mode */
-       *addr = 0xFFFFFFFF;
-       asm("sync");
-
-       return (flag);
-}
-
-/*-----------------------------------------------------------------------
- * Clear Block Lock Bit, returns:
- * 0 - OK
- * 1 - Timeout
- */
-
-static int clear_block_lock_bit(vu_long  * addr)
-{
-       ulong start, now;
-
-       /* Reset Array */
-       *addr = 0xffffffff;
-       asm("sync");
-       /* Clear Status Register */
-       *addr = 0x50505050;
-       asm("sync");
-
-       *addr = 0x60606060;
-       asm("sync");
-       *addr = 0xd0d0d0d0;
-       asm("sync");
-
-       start = get_timer (0);
-       while((*addr & 0x00800080) != 0x00800080){
-               if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
-                       printf ("Timeout on clearing Block Lock Bit\n");
-                       *addr = 0xFFFFFFFF;     /* reset bank */
-                       asm("sync");
-                       return 1;
-               }
-       }
-       return 0;
-}
-
-#endif /* !CFG_NO_FLASH */