integratorap/cp: use cfi driver
authorJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Sat, 16 May 2009 22:58:36 +0000 (00:58 +0200)
committerJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Mon, 22 Jun 2009 22:10:04 +0000 (00:10 +0200)
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Peter Pearse <peter.pearse@arm.com>
board/armltd/integratorap/Makefile
board/armltd/integratorap/flash.c [deleted file]
board/armltd/integratorcp/Makefile
board/armltd/integratorcp/flash.c [deleted file]
include/configs/integratorap.h
include/configs/integratorcp.h

index 1af37f3f8779703a3e5268bed5bf3ac85af71983..da82f5c0e7be883003356566686e288f28ed2676 100644 (file)
@@ -32,7 +32,6 @@ LIB   = $(obj)lib$(BOARD).a
 SOBJS-y        := lowlevel_init.o
 
 COBJS-y        := integratorap.o
-COBJS-y        += flash.o
 COBJS-$(CONFIG_PCI) += pci.o
 COBJS-y += timer.o
 
diff --git a/board/armltd/integratorap/flash.c b/board/armltd/integratorap/flash.c
deleted file mode 100644 (file)
index 0492be7..0000000
+++ /dev/null
@@ -1,473 +0,0 @@
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * 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>
-#include <linux/byteorder/swab.h>
-
-#define PHYS_FLASH_SECT_SIZE   0x00020000      /* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];   /* info for FLASH chips    */
-
-/* Board support for 1 or 2 flash devices */
-#undef FLASH_PORT_WIDTH32
-#define FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH               ushort
-#define FLASH_PORT_WIDTHV              vu_short
-#define SWAP(x)                        __swab16(x)
-#else
-#define FLASH_PORT_WIDTH               ulong
-#define FLASH_PORT_WIDTHV              vu_long
-#define SWAP(x)                        __swab32(x)
-#endif
-
-#define FPW    FLASH_PORT_WIDTH
-#define FPWV   FLASH_PORT_WIDTHV
-
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
-       unsigned int sector_number;
-       unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256L18T[] = {
-       {4, 32 * 1024},                         /* 4 * 32kBytes sectors */
-       {255, 128 * 1024},                      /* 255 * 128kBytes sectors */
-};
-
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-static ulong flash_get_size (FPW * addr, flash_info_t * info);
-static int write_data (flash_info_t * info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t * info);
-void inline spin_wheel (void);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-       int i;
-       ulong size = 0;
-       for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
-               switch (i) {
-               case 0:
-                       flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
-                       flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
-                       break;
-               default:
-                       panic ("configured too many flash banks!\n");
-                       break;
-               }
-               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]);
-
-       return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
-       int i;
-       OrgDef *pOrgDef;
-
-       pOrgDef = OrgIntel_28F256L18T;
-       if (info->flash_id == FLASH_UNKNOWN) {
-               return;
-       }
-
-       if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-               for (i = 0; i < info->sector_count; i++) {
-                       if (i > 255) {
-                               info->start[i] = base + (i * 0x8000);
-                               info->protect[i] = 0;
-                       } else {
-                               info->start[i] = base +
-                                               (i * PHYS_FLASH_SECT_SIZE);
-                               info->protect[i] = 0;
-                       }
-               }
-       }
-}
-
-/*-----------------------------------------------------------------------
- */
-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;
-       default:
-               printf ("Unknown Vendor ");
-               break;
-       }
-
-       switch (info->flash_id & FLASH_TYPEMASK) {
-       case FLASH_28F256L18T:
-               printf ("FLASH 28F256L18T\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");
-       return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (FPW * addr, flash_info_t * info)
-{
-       volatile FPW value;
-
-       /* Write auto select command: read Manufacturer ID */
-       addr[0x5555] = (FPW) 0x00AA00AA;
-       addr[0x2AAA] = (FPW) 0x00550055;
-       addr[0x5555] = (FPW) 0x00900090;
-
-       mb ();
-       value = addr[0];
-
-       switch (value) {
-
-       case (FPW) INTEL_MANUFACT:
-               info->flash_id = FLASH_MAN_INTEL;
-               break;
-
-       default:
-               info->flash_id = FLASH_UNKNOWN;
-               info->sector_count = 0;
-               info->size = 0;
-               addr[0] = (FPW) 0x00FF00FF;     /* restore read mode */
-               return (0);             /* no or unknown flash  */
-       }
-
-       mb ();
-       value = addr[1];        /* device ID        */
-       switch (value) {
-
-       case (FPW) (INTEL_ID_28F256L18T):
-               info->flash_id += FLASH_28F256L18T;
-               info->sector_count = 259;
-               info->size = 0x02000000;
-               break;                  /* => 32 MB     */
-
-       default:
-               info->flash_id = FLASH_UNKNOWN;
-               break;
-       }
-
-       if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-               printf ("** ERROR: sector count %d > max (%d) **\n",
-                               info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-               info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-       }
-
-       addr[0] = (FPW) 0x00FF00FF;     /* restore read mode */
-
-       return (info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
-#define PD_FINTEL_WSMS_READY_MASK    0x0080
-
-       *addr = (FPW) 0x00500050;       /* clear status register */
-
-       /* this sends the clear lock bit command */
-       *addr = (FPW) 0x00600060;
-       *addr = (FPW) 0x00D000D0;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-       int flag, prot, sect;
-       ulong type, start, last;
-       int rcode = 0;
-
-       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;
-       }
-
-       type = (info->flash_id & FLASH_VENDMASK);
-       if ((type != FLASH_MAN_INTEL)) {
-               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");
-       }
-
-
-       start = get_timer (0);
-       last = start;
-
-       /* Disable interrupts which might cause a timeout here */
-       flag = disable_interrupts ();
-
-       /* Start erase on unprotected sectors */
-       for (sect = s_first; sect <= s_last; sect++) {
-               if (info->protect[sect] == 0) { /* not protected */
-                       FPWV *addr = (FPWV *) (info->start[sect]);
-                       FPW status;
-
-                       printf ("Erasing sector %2d ... ", sect);
-
-                       flash_unprotect_sectors (addr);
-
-                       /* arm simple, non interrupt dependent timer */
-                       reset_timer_masked ();
-
-                       *addr = (FPW) 0x00500050;/* clear status register */
-                       *addr = (FPW) 0x00200020;/* erase setup */
-                       *addr = (FPW) 0x00D000D0;/* erase confirm */
-
-                       while (((status =
-                               *addr) & (FPW) 0x00800080) !=
-                               (FPW) 0x00800080) {
-                                       if (get_timer_masked () >
-                                       CONFIG_SYS_FLASH_ERASE_TOUT) {
-                                       printf ("Timeout\n");
-                                       /* suspend erase     */
-                                       *addr = (FPW) 0x00B000B0;
-                                       /* reset to read mode */
-                                       *addr = (FPW) 0x00FF00FF;
-                                       rcode = 1;
-                                       break;
-                               }
-                       }
-
-                       /* clear status register cmd.   */
-                       *addr = (FPW) 0x00500050;
-                       *addr = (FPW) 0x00FF00FF;/* resest to read mode */
-                       printf (" done\n");
-               }
-       }
-       return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
-       ulong cp, wp;
-       FPW data;
-       int count, i, l, rc, port_width;
-
-       if (info->flash_id == FLASH_UNKNOWN) {
-               return 4;
-       }
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-       wp = (addr & ~1);
-       port_width = 2;
-#else
-       wp = (addr & ~3);
-       port_width = 4;
-#endif
-
-       /*
-        * 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 < port_width && cnt > 0; ++i) {
-                       data = (data << 8) | *src++;
-                       --cnt;
-                       ++cp;
-               }
-               for (; cnt == 0 && i < port_width; ++i, ++cp) {
-                       data = (data << 8) | (*(uchar *) cp);
-               }
-
-               if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-                       return (rc);
-               }
-               wp += port_width;
-       }
-
-       /*
-        * handle word aligned part
-        */
-       count = 0;
-       while (cnt >= port_width) {
-               data = 0;
-               for (i = 0; i < port_width; ++i) {
-                       data = (data << 8) | *src++;
-               }
-               if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-                       return (rc);
-               }
-               wp += port_width;
-               cnt -= port_width;
-               if (count++ > 0x800) {
-                       spin_wheel ();
-                       count = 0;
-               }
-       }
-
-       if (cnt == 0) {
-               return (0);
-       }
-
-       /*
-        * handle unaligned tail bytes
-        */
-       data = 0;
-       for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
-               data = (data << 8) | *src++;
-               --cnt;
-       }
-       for (; i < port_width; ++i, ++cp) {
-               data = (data << 8) | (*(uchar *) cp);
-       }
-
-       return (write_data (info, wp, SWAP (data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t * info, ulong dest, FPW data)
-{
-       FPWV *addr = (FPWV *) dest;
-       ulong status;
-       int flag;
-
-       /* Check if Flash is (sufficiently) erased */
-       if ((*addr & data) != data) {
-               printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
-               return (2);
-       }
-       flash_unprotect_sectors (addr);
-       /* Disable interrupts which might cause a timeout here */
-       flag = disable_interrupts ();
-       *addr = (FPW) 0x00400040;       /* write setup */
-       *addr = data;
-
-       /* arm simple, non interrupt dependent timer */
-       reset_timer_masked ();
-
-       /* wait while polling the status register */
-       while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-               if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) {
-                       *addr = (FPW) 0x00FF00FF;       /* restore read mode */
-                       return (1);
-               }
-       }
-       *addr = (FPW) 0x00FF00FF;       /* restore read mode */
-       return (0);
-}
-
-void inline spin_wheel (void)
-{
-       static int p = 0;
-       static char w[] = "\\/-";
-
-       printf ("\010%c", w[p]);
-       (++p == 3) ? (p = 0) : 0;
-}
index 5e3c6468e8a120fa3196ddb8e276408f1363d616..76a85d936cbb04ae633b60d24b5ecf5363d0ec8b 100644 (file)
@@ -28,7 +28,6 @@ LIB   = $(obj)lib$(BOARD).a
 SOBJS  := lowlevel_init.o
 
 COBJS  := integratorcp.o
-COBJS  += flash.o
 COBJS  += timer.o
 
 SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/board/armltd/integratorcp/flash.c b/board/armltd/integratorcp/flash.c
deleted file mode 100644 (file)
index 5059dae..0000000
+++ /dev/null
@@ -1,564 +0,0 @@
-/*
- * (C) Copyright 2004
- * Xiaogeng (Shawn) Jin, Agilent Technologies, xiaogeng_jin@agilent.com
- *
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2003
- * Texas Instruments, <www.ti.com>
- * Kshitij Gupta <Kshitij@ti.com>
- *
- * 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>
-#include <linux/byteorder/swab.h>
-
-#define DEBUG
-
-#define PHYS_FLASH_SECT_SIZE   0x00040000      /* 256 KB sectors (x2) */
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];   /* info for FLASH chips */
-
-/* Board support for 1 or 2 flash devices */
-#define FLASH_PORT_WIDTH32
-#undef FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH       ushort
-#define FLASH_PORT_WIDTHV      vu_short
-#define SWAP(x)                        __swab16(x)
-#else
-#define FLASH_PORT_WIDTH       ulong
-#define FLASH_PORT_WIDTHV      vu_long
-#define SWAP(x)                        __swab32(x)
-#endif
-
-#define FPW    FLASH_PORT_WIDTH
-#define FPWV   FLASH_PORT_WIDTHV
-
-#define mb() __asm__ __volatile__ ("" : : : "memory")
-
-
-/* Flash Organization Structure */
-typedef struct OrgDef {
-       unsigned int sector_number;
-       unsigned int sector_size;
-} OrgDef;
-
-
-/* Flash Organizations */
-OrgDef OrgIntel_28F256L18T[] = {
-       {4, 32 * 1024},                         /* 4 * 32kBytes sectors */
-       {255, 128 * 1024},                      /* 255 * 128kBytes sectors */
-};
-
-/* CP control register base address */
-#define CPCR_BASE              0xCB000000
-#define CPCR_EXTRABANK         0x8
-#define CPCR_FLASHSIZE         0x4
-#define CPCR_FLWREN            0x2
-#define CPCR_FLVPPEN           0x1
-
-/*-----------------------------------------------------------------------
- * Functions
- */
-unsigned long flash_init (void);
-static ulong flash_get_size (FPW * addr, flash_info_t * info);
-static int write_data (flash_info_t * info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t * info);
-void inline spin_wheel (void);
-void flash_print_info (flash_info_t * info);
-void flash_unprotect_sectors (FPWV * addr);
-int flash_erase (flash_info_t * info, int s_first, int s_last);
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
-
-/*-----------------------------------------------------------------------
- */
-unsigned long flash_init (void)
-{
-       int i, nbanks;
-       ulong size = 0;
-       vu_long *cpcr = (vu_long *)CPCR_BASE;
-
-       /* Check if there is an extra bank of flash */
-       if (cpcr[1] & CPCR_EXTRABANK)
-               nbanks = 2;
-       else
-               nbanks = 1;
-
-       if (nbanks > CONFIG_SYS_MAX_FLASH_BANKS)
-               nbanks = CONFIG_SYS_MAX_FLASH_BANKS;
-
-       /* Enable flash write */
-       cpcr[1] |= 3;
-
-       for (i = 0; i < nbanks; i++) {
-               flash_get_size ((FPW *)(CONFIG_SYS_FLASH_BASE + size), &flash_info[i]);
-               flash_get_offsets (CONFIG_SYS_FLASH_BASE + size, &flash_info[i]);
-               size += flash_info[i].size;
-       }
-
-#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
-       /* monitor protection */
-       flash_protect (FLAG_PROTECT_SET,
-                      CONFIG_SYS_MONITOR_BASE,
-                      CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]);
-#endif
-
-#ifdef CONFIG_ENV_IS_IN_FLASH
-       /* ENV protection ON */
-       flash_protect(FLAG_PROTECT_SET,
-                     CONFIG_ENV_ADDR,
-                     CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
-                     &flash_info[0]);
-#endif
-
-       /* Protect SIB (0x24800000) and bootMonitor (0x24c00000) */
-       flash_protect (FLAG_PROTECT_SET,
-                      flash_info[0].start[62],
-                      flash_info[0].start[63] + PHYS_FLASH_SECT_SIZE - 1,
-                      &flash_info[0]);
-
-       return size;
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t * info)
-{
-       int i;
-
-       if (info->flash_id == FLASH_UNKNOWN) {
-               return;
-       }
-
-       if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-               for (i = 0; i < info->sector_count; i++) {
-                       info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE);
-                       info->protect[i] = 0;
-               }
-       }
-}
-
-/*-----------------------------------------------------------------------
- */
-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;
-       default:
-               printf ("Unknown Vendor ");
-               break;
-       }
-
-       /* Integrator CP board uses 28F640J3C or 28F128J3C parts,
-        * which have the same device id numbers as 28F640J3A or
-        * 28F128J3A
-        */
-       switch (info->flash_id & FLASH_TYPEMASK) {
-       case FLASH_28F256L18T:
-               printf ("FLASH 28F256L18T\n");
-               break;
-       case FLASH_28F640J3A:
-               printf ("FLASH 28F640J3C\n");
-               break;
-       case FLASH_28F128J3A:
-               printf ("FLASH 28F128J3C\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");
-       return;
-}
-
-/*
- * The following code cannot be run from FLASH!
- */
-static ulong flash_get_size (FPW * addr, flash_info_t * info)
-{
-       volatile FPW value;
-       vu_long *cpcr = (vu_long *)CPCR_BASE;
-       int nsects;
-
-       /* Check the flash size */
-       if (cpcr[1] & CPCR_FLASHSIZE)
-               nsects = 128;
-       else
-               nsects = 64;
-
-       if (nsects > CONFIG_SYS_MAX_FLASH_SECT)
-               nsects = CONFIG_SYS_MAX_FLASH_SECT;
-
-       /* Write auto select command: read Manufacturer ID */
-       addr[0x5555] = (FPW) 0x00AA00AA;
-       addr[0x2AAA] = (FPW) 0x00550055;
-       addr[0x5555] = (FPW) 0x00900090;
-
-       mb ();
-       value = addr[0];
-
-       switch (value) {
-
-       case (FPW) INTEL_MANUFACT:
-               info->flash_id = FLASH_MAN_INTEL;
-               break;
-
-       default:
-               info->flash_id = FLASH_UNKNOWN;
-               info->sector_count = 0;
-               info->size = 0;
-               addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
-               return (0); /* no or unknown flash */
-       }
-
-       mb ();
-       value = addr[1]; /* device ID */
-       switch (value) {
-
-       case (FPW) (INTEL_ID_28F256L18T):
-               info->flash_id += FLASH_28F256L18T;
-               info->sector_count = 259;
-               info->size = 0x02000000;
-               break;                  /* => 32 MB */
-
-       case (FPW) (INTEL_ID_28F640J3A):
-               info->flash_id += FLASH_28F640J3A;
-               info->sector_count = nsects;
-               info->size = nsects * PHYS_FLASH_SECT_SIZE;
-               break;
-
-       case (FPW) (INTEL_ID_28F128J3A):
-               info->flash_id += FLASH_28F128J3A;
-               info->sector_count = nsects;
-               info->size = nsects * PHYS_FLASH_SECT_SIZE;
-               break;
-
-       default:
-               info->flash_id = FLASH_UNKNOWN;
-               break;
-       }
-
-       if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-               printf ("** ERROR: sector count %d > max (%d) **\n",
-                               info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-               info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-       }
-
-       addr[0] = (FPW) 0x00FF00FF;     /* restore read mode */
-
-       return (info->size);
-}
-
-
-/* unprotects a sector for write and erase
- * on some intel parts, this unprotects the entire chip, but it
- * wont hurt to call this additional times per sector...
- */
-void flash_unprotect_sectors (FPWV * addr)
-{
-       FPW status;
-
-       *addr = (FPW) 0x00500050;       /* clear status register */
-
-       /* this sends the clear lock bit command */
-       *addr = (FPW) 0x00600060;
-       *addr = (FPW) 0x00D000D0;
-
-       reset_timer_masked();
-       while (((status = *addr) & (FPW)0x00800080) != 0x00800080) {
-               if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
-                       printf("Timeout");
-                       break;
-               }
-       }
-
-       *addr = (FPW) 0x00FF00FF;
-}
-
-
-/*-----------------------------------------------------------------------
- */
-int flash_erase (flash_info_t * info, int s_first, int s_last)
-{
-       int flag, prot, sect;
-       ulong type;
-       int rcode = 0;
-
-       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;
-       }
-
-       type = (info->flash_id & FLASH_VENDMASK);
-       if ((type != FLASH_MAN_INTEL)) {
-               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");
-       }
-
-       /* Start erase on unprotected sectors */
-       for (sect = s_first; sect <= s_last; sect++) {
-               if (info->protect[sect] == 0) { /* not protected */
-                       FPWV *addr = (FPWV *) (info->start[sect]);
-                       FPW status;
-
-                       printf ("Erasing sector %2d ... ", sect);
-
-                       /* Disable interrupts which might cause a timeout here */
-                       flag = disable_interrupts ();
-
-                       /* flash_unprotect_sectors (addr); */
-
-                       /* arm simple, non interrupt dependent timer */
-                       reset_timer_masked ();
-
-                       *addr = (FPW) 0x00500050; /* clear status register */
-                       *addr = (FPW) 0x00200020; /* erase setup */
-                       *addr = (FPW) 0x00D000D0; /* erase confirm */
-                       mb();
-
-                       udelay(1000); /* Let's wait 1 ms */
-
-                       /* re-enable interrupts if necessary */
-                       if (flag)
-                               enable_interrupts();
-
-                       while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-                               if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
-                                       *addr = (FPW)0x00700070;
-                                       status = *addr;
-                                       if ((status & (FPW) 0x00400040) == (FPW) 0x00400040) {
-                                               /* erase suspended? Resume it */
-                                               reset_timer_masked();
-                                               *addr = (FPW) 0x00D000D0;
-                                       } else {
-#ifdef DEBUG
-                                               printf ("Timeout,0x%08lx\n", status);
-#else
-                                               printf("Timeout\n");
-#endif
-
-                                               *addr = (FPW) 0x00500050;
-                                               *addr = (FPW) 0x00FF00FF; /* reset to read mode */
-                                               rcode = 1;
-                                               break;
-                                       }
-                               }
-                       }
-
-                       *addr = (FPW) 0x00FF00FF; /* resest to read mode */
-                       printf (" done\n");
-               }
-       }
-
-       return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
-{
-       ulong cp, wp;
-       FPW data;
-       int count, i, l, rc, port_width;
-
-       if (info->flash_id == FLASH_UNKNOWN) {
-               return 4;
-       }
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-       wp = (addr & ~1);
-       port_width = 2;
-#else
-       wp = (addr & ~3);
-       port_width = 4;
-#endif
-
-       /*
-        * 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 < port_width && cnt > 0; ++i) {
-                       data = (data << 8) | *src++;
-                       --cnt;
-                       ++cp;
-               }
-               for (; cnt == 0 && i < port_width; ++i, ++cp) {
-                       data = (data << 8) | (*(uchar *) cp);
-               }
-
-               if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-                       return (rc);
-               }
-               wp += port_width;
-       }
-
-       /*
-        * handle word aligned part
-        */
-       count = 0;
-       while (cnt >= port_width) {
-               data = 0;
-               for (i = 0; i < port_width; ++i) {
-                       data = (data << 8) | *src++;
-               }
-               if ((rc = write_data (info, wp, SWAP (data))) != 0) {
-                       return (rc);
-               }
-               wp += port_width;
-               cnt -= port_width;
-               if (count++ > 0x800) {
-                       spin_wheel ();
-                       count = 0;
-               }
-       }
-
-       if (cnt == 0) {
-               return (0);
-       }
-
-       /*
-        * handle unaligned tail bytes
-        */
-       data = 0;
-       for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
-               data = (data << 8) | *src++;
-               --cnt;
-       }
-       for (; i < port_width; ++i, ++cp) {
-               data = (data << 8) | (*(uchar *) cp);
-       }
-
-       return (write_data (info, wp, SWAP (data)));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t * info, ulong dest, FPW data)
-{
-       FPWV *addr = (FPWV *) dest;
-       ulong status;
-       int flag;
-
-       /* Check if Flash is (sufficiently) erased */
-       if ((*addr & data) != data) {
-               printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
-               return (2);
-       }
-
-       /* Disable interrupts which might cause a timeout here */
-       flag = disable_interrupts ();
-
-       /* flash_unprotect_sectors (addr); */
-
-       *addr = (FPW) 0x00400040;       /* write setup */
-       *addr = data;
-
-       mb();
-
-       /* re-enable interrupts if necessary */
-       if (flag)
-               enable_interrupts();
-
-       /* arm simple, non interrupt dependent timer */
-       reset_timer_masked ();
-
-       /* wait while polling the status register */
-       while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
-               if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) {
-#ifdef DEBUG
-                       *addr = (FPW) 0x00700070;
-                       status = *addr;
-                       printf("## status=0x%08lx, addr=0x%p\n", status, addr);
-#endif
-                       *addr = (FPW) 0x00500050; /* clear status register cmd */
-                       *addr = (FPW) 0x00FF00FF; /* restore read mode */
-                       return (1);
-               }
-       }
-
-       *addr = (FPW) 0x00FF00FF; /* restore read mode */
-       return (0);
-}
-
-void inline spin_wheel (void)
-{
-       static int p = 0;
-       static char w[] = "\\/-";
-
-       printf ("\010%c", w[p]);
-       (++p == 3) ? (p = 0) : 0;
-}
index 09270ff0a80d0ca09a7baf4278d6c701a245f4c0..e0e82583410516c1c0f4fca9a6da2aaf8821d3bb 100644 (file)
 #define PHYS_SDRAM_1           0x00000000      /* SDRAM Bank #1 */
 #define PHYS_SDRAM_1_SIZE      0x02000000      /* 32 MB */
 
-#define CONFIG_SYS_FLASH_BASE          0x24000000
+#define CONFIG_SYS_FLASH_BASE  0x24000000
 
 /*-----------------------------------------------------------------------
  * FLASH and environment organization
  */
+#define CONFIG_SYS_FLASH_CFI           1
+#define CONFIG_FLASH_CFI_DRIVER                1
 #define CONFIG_ENV_IS_NOWHERE
 #define CONFIG_SYS_MAX_FLASH_BANKS     1               /* max number of memory banks */
-#define PHYS_FLASH_SIZE                0x01000000      /* 16MB */
 /* timeout values are in ticks */
 #define CONFIG_SYS_FLASH_ERASE_TOUT    (2*CONFIG_SYS_HZ)       /* Timeout for Flash Erase */
 #define CONFIG_SYS_FLASH_WRITE_TOUT    (2*CONFIG_SYS_HZ)       /* Timeout for Flash Write */
 #define CONFIG_SYS_MAX_FLASH_SECT      128
-#define CONFIG_ENV_SIZE                32768
+#define CONFIG_ENV_SIZE                        32768
 
-#define PHYS_FLASH_1           (CONFIG_SYS_FLASH_BASE)
 
 /*-----------------------------------------------------------------------
  * PCI definitions
index b4219d03e12676d90ddf81fff191c7b1425c1b87..e38d569108b0890d6b0ce5c78791592367a8fb1f 100644 (file)
@@ -155,9 +155,11 @@ SIB at Block62 End Block62 address 0x24f80000
 
  */
 #define CONFIG_SYS_FLASH_BASE          0x24000000
+#define CONFIG_SYS_FLASH_CFI           1
+#define CONFIG_FLASH_CFI_DRIVER                1
 #define CONFIG_SYS_MAX_FLASH_SECT      64
 #define CONFIG_SYS_MAX_FLASH_BANKS     1               /* max number of memory banks */
-#define PHYS_FLASH_SIZE                0x01000000      /* 16MB */
+#define PHYS_FLASH_SIZE                        0x01000000      /* 16MB */
 #define CONFIG_SYS_FLASH_ERASE_TOUT    (2*CONFIG_SYS_HZ)       /* Timeout for Flash Erase */
 #define CONFIG_SYS_FLASH_WRITE_TOUT    (2*CONFIG_SYS_HZ)       /* Timeout for Flash Write */