NetStar: use generic flash driver

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>

diff --git a/board/netstar/Makefile b/board/netstar/Makefile
index 8d911b845bd48f1b54c2e24333ac3a263635337b..ba9d6c8cfe6b133d745a341d21ba105d108f734f 100644 (file)
--- a/board/netstar/Makefile
+++ b/board/netstar/Makefile
@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
 
 LIB    = $(obj)lib$(BOARD).a
 
-COBJS  := netstar.o flash.o nand.o
+COBJS  := netstar.o nand.o
 SOBJS  := setup.o crcek.o
 
 SRCS   := $(SOBJS:.o=.S) $(COBJS:.o=.c) eeprom.c \

diff --git a/board/netstar/flash.c b/board/netstar/flash.c
deleted file mode 100644 (file)
index e9eca35..0000000
--- a/board/netstar/flash.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2005
- * 2N Telekomunikace, a.s. <www.2n.cz>
- * Ladislav Michl <michl@2n.cz>
- *
- * 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 0 */
-#if (PHYS_SDRAM_1_SIZE != SZ_32M)
-
-#include "crcek.h"
-
-#if (CONFIG_SYS_MAX_FLASH_BANKS > 1)
-#error There is always only _one_ flash chip
-#endif
-
-flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
-
-#define CMD_READ_ARRAY         0x000000f0
-#define CMD_UNLOCK1            0x000000aa
-#define CMD_UNLOCK2            0x00000055
-#define CMD_ERASE_SETUP                0x00000080
-#define CMD_ERASE_CONFIRM      0x00000030
-#define CMD_PROGRAM            0x000000a0
-#define CMD_UNLOCK_BYPASS      0x00000020
-
-#define MEM_FLASH_ADDR1                (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x00000555 << 1)))
-#define MEM_FLASH_ADDR2                (*(volatile u16 *)(CONFIG_SYS_FLASH_BASE + (0x000002aa << 1)))
-
-#define BIT_ERASE_DONE         0x00000080
-#define BIT_RDY_MASK           0x00000080
-#define BIT_PROGRAM_ERROR      0x00000020
-#define BIT_TIMEOUT            0x80000000      /* our flag */
-
-/*-----------------------------------------------------------------------
- */
-
-ulong flash_init(void)
-{
-       int i;
-
-       flash_info[0].flash_id = (AMD_MANUFACT & FLASH_VENDMASK) |
-                                (AMD_ID_LV800B & FLASH_TYPEMASK);
-       flash_info[0].size = PHYS_FLASH_1_SIZE;
-       flash_info[0].sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-       memset(flash_info[0].protect, 0, CONFIG_SYS_MAX_FLASH_SECT);
-
-       for (i = 0; i < flash_info[0].sector_count; i++) {
-               switch (i) {
-               case 0: /* 16kB */
-                       flash_info[0].start[0] = CONFIG_SYS_FLASH_BASE;
-                       break;
-               case 1: /* 8kB */
-                       flash_info[0].start[1] = CONFIG_SYS_FLASH_BASE + 0x4000;
-                       break;
-               case 2: /* 8kB */
-                       flash_info[0].start[2] = CONFIG_SYS_FLASH_BASE + 0x4000 +
-                                                0x2000;
-                       break;
-               case 3: /* 32 KB */
-                       flash_info[0].start[3] = CONFIG_SYS_FLASH_BASE + 0x4000 +
-                                                2 * 0x2000;
-                       break;
-               case 4:
-                       flash_info[0].start[4] = CONFIG_SYS_FLASH_BASE + 0x4000 +
-                                                2 * 0x2000 + 0x8000;
-                       break;
-               default: /* 64kB */
-                       flash_info[0].start[i] = flash_info[0].start[i-1] +
-                                                0x10000;
-                       break;
-               }
-       }
-
-       /* U-Boot */
-       flash_protect(FLAG_PROTECT_SET,
-                     LOADER1_OFFSET,
-                     LOADER1_OFFSET + LOADER_SIZE - 1, flash_info);
-       /* Protect crcek, env and r_env as well */
-       flash_protect(FLAG_PROTECT_SET, 0, 0x8000 - 1, flash_info);
-
-       return flash_info[0].size;
-}
-
-/*-----------------------------------------------------------------------
- */
-void flash_print_info(flash_info_t *info)
-{
-       int i;
-
-       switch (info->flash_id & FLASH_VENDMASK) {
-       case (AMD_MANUFACT & FLASH_VENDMASK):
-               puts("AMD: ");
-               break;
-       default:
-               puts("Unknown vendor ");
-               break;
-       }
-
-       switch (info->flash_id & FLASH_TYPEMASK) {
-       case (AMD_ID_LV800B & FLASH_TYPEMASK):
-               puts("AM29LV800BB (8Mb)\n");
-               break;
-       default:
-               puts("Unknown chip type\n");
-               return;
-       }
-
-       printf("  Size: %ld MB in %d sectors\n",
-              info->size >> 20, info->sector_count);
-
-       puts("  Sector start addresses:");
-       for (i = 0; i < info->sector_count; i++) {
-               if ((i % 5) == 0)
-                       puts("\n   ");
-
-               printf(" %08lX%s", info->start[i],
-                      info->protect[i] ? " (RO)" : "     ");
-       }
-       puts("\n");
-}
-
-/*-----------------------------------------------------------------------
- */
-
-int flash_erase(flash_info_t *info, int s_first, int s_last)
-{
-       ushort result;
-       int prot, sect;
-       int rc = ERR_OK;
-
-       /* first look for protection bits */
-
-       if (info->flash_id == FLASH_UNKNOWN)
-               return ERR_UNKNOWN_FLASH_TYPE;
-
-       if ((s_first < 0) || (s_first > s_last))
-               return ERR_INVAL;
-
-       if ((info->flash_id & FLASH_VENDMASK) !=
-           (AMD_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)
-               printf("- Warning: %d protected sectors will not be erased!\n",
-                      prot);
-       else
-               putc('\n');
-
-       /* Start erase on unprotected sectors */
-       for (sect = s_first; sect <= s_last && !ctrlc (); sect++) {
-               if (info->protect[sect] == 0) { /* not protected */
-                       vu_short *addr = (vu_short *) (info->start[sect]);
-
-                       /* arm simple, non interrupt dependent timer */
-                       reset_timer_masked();
-
-                       MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-                       MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-                       MEM_FLASH_ADDR1 = CMD_ERASE_SETUP;
-
-                       MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-                       MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-                       *addr = CMD_ERASE_CONFIRM;
-
-                       /* wait until flash is ready */
-                       while (1) {
-                               result = *addr;
-
-                               /* check timeout */
-                               if (get_timer_masked() > CONFIG_SYS_FLASH_ERASE_TOUT) {
-                                       MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-                                       rc = ERR_TIMOUT;
-                                       break;
-                               }
-
-                               if ((result & 0xfff) & BIT_ERASE_DONE)
-                                       break;
-
-                               if ((result & 0xffff) & BIT_PROGRAM_ERROR) {
-                                       rc = ERR_PROG_ERROR;
-                                       break;
-                               }
-                       }
-
-                       MEM_FLASH_ADDR1 = CMD_READ_ARRAY;
-
-                       if (rc != ERR_OK)
-                               goto out;
-
-                       putc('.');
-               }
-       }
-out:
-       /* allow flash to settle - wait 10 ms */
-       udelay_masked(10000);
-
-       return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash
- */
-
-static int write_hword(flash_info_t *info, ulong dest, ushort data)
-{
-       vu_short *addr = (vu_short *) dest;
-       ushort result;
-       int rc = ERR_OK;
-
-       /* check if flash is (sufficiently) erased */
-       result = *addr;
-       if ((result & data) != data)
-               return ERR_NOT_ERASED;
-
-       MEM_FLASH_ADDR1 = CMD_UNLOCK1;
-       MEM_FLASH_ADDR2 = CMD_UNLOCK2;
-       MEM_FLASH_ADDR1 = CMD_PROGRAM;
-       *addr = data;
-
-       /* arm simple, non interrupt dependent timer */
-       reset_timer_masked();
-
-       /* wait until flash is ready */
-       while (1) {
-               result = *addr;
-
-               /* check timeout */
-               if (get_timer_masked () > CONFIG_SYS_FLASH_ERASE_TOUT) {
-                       rc = ERR_TIMOUT;
-                       break;
-               }
-
-               if ((result & 0x80) == (data & 0x80))
-                       break;
-
-               if ((result & 0xffff) & BIT_PROGRAM_ERROR) {
-                       result = *addr;
-
-                       if ((result & 0x80) != (data & 0x80))
-                               rc = ERR_PROG_ERROR;
-               }
-       }
-
-       *addr = CMD_READ_ARRAY;
-
-       if (*addr != data)
-               rc = ERR_PROG_ERROR;
-
-       return rc;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash.
- */
-
-int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
-       ulong cp, wp;
-       int l;
-       int i, rc;
-       ushort data;
-
-       wp = (addr & ~1);       /* 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 << 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_hword(info, wp, data)) != 0)
-                       return (rc);
-               wp += 2;
-       }
-
-       /*
-        * handle word aligned part
-        */
-       while (cnt >= 2) {
-               data = *((vu_short *) src);
-               if ((rc = write_hword(info, wp, data)) != 0)
-                       return (rc);
-               src += 2;
-               wp += 2;
-               cnt -= 2;
-       }
-
-       if (cnt == 0)
-               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_hword(info, wp, data);
-}
-
-#endif

diff --git a/board/netstar/netstar.c b/board/netstar/netstar.c
index f52afe50c7e3add8bc3ea0c6f68df56e9df8e481..a76b338f5519772fde625510eeaf37bbae1a8647 100644 (file)
--- a/board/netstar/netstar.c
+++ b/board/netstar/netstar.c
@@ -21,6 +21,7 @@
  */
 
 #include <common.h>
+#include <flash.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -59,3 +60,17 @@ int board_late_init(void)
 {
        return 0;
 }
+
+#if defined(CONFIG_CMD_FLASH)
+ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t * info)
+{
+       if (banknum == 0) {     /* AM29LV800 boot flash */
+               info->portwidth = FLASH_CFI_16BIT;
+               info->chipwidth = FLASH_CFI_BY16;
+               info->interface = FLASH_CFI_X16;
+               return 1;
+       }
+
+       return 0;
+}
+#endif

diff --git a/include/configs/netstar.h b/include/configs/netstar.h
index 37450d43440bd70baa6e3b19d330af96737d2f8f..e0cc7186a9d345d5d02c803463012b0b6f67ee95 100644 (file)
--- a/include/configs/netstar.h
+++ b/include/configs/netstar.h
@@ -59,16 +59,6 @@
 #define PHYS_SDRAM_1_SIZE      (64 * 1024 * 1024)
 #define PHYS_FLASH_1           0x00000000      /* Flash Bank #1 */
 
-/*
- * FLASH organization
- */
-#define CONFIG_SYS_FLASH_BASE          PHYS_FLASH_1
-#define CONFIG_SYS_MAX_FLASH_BANKS     1
-#define PHYS_FLASH_1_SIZE              (1 * 1024 * 1024)
-#define CONFIG_SYS_MAX_FLASH_SECT      19
-#define CONFIG_SYS_FLASH_ERASE_TOUT    (5*CONFIG_SYS_HZ) /* in ticks */
-#define CONFIG_SYS_FLASH_WRITE_TOUT    (5*CONFIG_SYS_HZ)
-
 #define CONFIG_SYS_MONITOR_BASE                PHYS_FLASH_1
 #define CONFIG_SYS_MONITOR_LEN         (256 * 1024)
 
@@ -106,6 +96,16 @@
 #define CONFIG_DRIVER_SMC91111
 #define CONFIG_SMC91111_BASE           0x04000300
 
+#define CONFIG_SYS_FLASH_BASE          PHYS_FLASH_1
+#define CONFIG_SYS_MAX_FLASH_BANKS     1
+#define CONFIG_SYS_MAX_FLASH_SECT      19
+
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI_WIDTH     FLASH_CFI_16BIT
+#define CONFIG_FLASH_CFI_LEGACY
+#define CONFIG_SYS_FLASH_LEGACY_512Kx16
+
 #define CONFIG_SYS_MAX_NAND_DEVICE     1
 #define CONFIG_SYS_NAND_BASE           0x04000000 + (2 << 23)
 #define NAND_ALLOW_ERASE_ALL           1