diff options
Diffstat (limited to 'package/uboot-ifxmips/files/common/flash_danube.c')
| -rw-r--r-- | package/uboot-ifxmips/files/common/flash_danube.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/package/uboot-ifxmips/files/common/flash_danube.c b/package/uboot-ifxmips/files/common/flash_danube.c deleted file mode 100644 index a64bc98529..0000000000 --- a/package/uboot-ifxmips/files/common/flash_danube.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * (C) Copyright 2000 - * 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 - */ - -/* #define DEBUG */ - -#include <common.h> -#include <flash.h> - -#if !defined(CFG_NO_FLASH) - -extern flash_info_t flash_info[]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ - -/*----------------------------------------------------------------------- - * Set protection status for monitor sectors - * - * The monitor is always located in the _first_ Flash bank. - * If necessary you have to map the second bank at lower addresses. - */ -void -flash_protect (int flag, ulong from, ulong to, flash_info_t *info) -{ - ulong b_end = info->start[0] + info->size - 1; /* bank end address */ - short s_end = info->sector_count - 1; /* index of last sector */ - int i; - - debug ("flash_protect %s: from 0x%08lX to 0x%08lX\n", - (flag & FLAG_PROTECT_SET) ? "ON" : - (flag & FLAG_PROTECT_CLEAR) ? "OFF" : "???", - from, to); - - /* Do nothing if input data is bad. */ - if (info->sector_count == 0 || info->size == 0 || to < from) { - return; - } - - /* There is nothing to do if we have no data about the flash - * or the protect range and flash range don't overlap. - */ - if (info->flash_id == FLASH_UNKNOWN || - to < info->start[0] || from > b_end) { - return; - } - - for (i=0; i<info->sector_count; ++i) { - ulong end; /* last address in current sect */ - - end = (i == s_end) ? b_end : info->start[i + 1] - 1; - - /* Update protection if any part of the sector - * is in the specified range. - */ - if (from <= end && to >= info->start[i]) { - if (flag & FLAG_PROTECT_CLEAR) { -#if defined(CFG_FLASH_PROTECTION) - flash_real_protect(info, i, 0); -#else - info->protect[i] = 0; -#endif /* CFG_FLASH_PROTECTION */ - debug ("protect off %d\n", i); - } - else if (flag & FLAG_PROTECT_SET) { -#if defined(CFG_FLASH_PROTECTION) - flash_real_protect(info, i, 1); -#else - info->protect[i] = 1; -#endif /* CFG_FLASH_PROTECTION */ - debug ("protect on %d\n", i); - } - } - } -} - -/*----------------------------------------------------------------------- - */ - -flash_info_t * -addr2info (ulong addr) -{ -#ifndef CONFIG_SPD823TS - flash_info_t *info; - int i; - - for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) { - if (info->flash_id != FLASH_UNKNOWN && - addr >= info->start[0] && - /* WARNING - The '- 1' is needed if the flash - * is at the end of the address space, since - * info->start[0] + info->size wraps back to 0. - * Please don't change this unless you understand this. - */ - addr <= info->start[0] + info->size - 1) { - return (info); - } - } -#endif /* CONFIG_SPD823TS */ - - return (NULL); -} - -/*----------------------------------------------------------------------- - * Copy memory to flash. - * Make sure all target addresses are within Flash bounds, - * and no protected sectors are hit. - * Returns: - * ERR_OK 0 - OK - * ERR_TIMOUT 1 - write timeout - * ERR_NOT_ERASED 2 - Flash not erased - * ERR_PROTECTED 4 - target range includes protected sectors - * ERR_INVAL 8 - target address not in Flash memory - * ERR_ALIGN 16 - target address not aligned on boundary - * (only some targets require alignment) - */ -int -flash_write (char *src, ulong addr, ulong cnt) -{ -#ifdef CONFIG_SPD823TS - return (ERR_TIMOUT); /* any other error codes are possible as well */ -#else - int i; - ulong end = addr + cnt - 1; - flash_info_t *info_first = addr2info (addr); - flash_info_t *info_last = addr2info (end ); - flash_info_t *info; - - if (cnt == 0) { - return (ERR_OK); - } - - if (!info_first || !info_last) { - return (ERR_INVAL); - } - - for (info = info_first; info <= info_last; ++info) { - ulong b_end = info->start[0] + info->size; /* bank end addr */ - short s_end = info->sector_count - 1; - for (i=0; i<info->sector_count; ++i) { - ulong e_addr = (i == s_end) ? b_end : info->start[i + 1]; - - if ((end >= info->start[i]) && (addr < e_addr) && - (info->protect[i] != 0) ) { - return (ERR_PROTECTED); - } - } - } - - /* finally write data to flash */ - for (info = info_first; info <= info_last && cnt>0; ++info) { - ulong len; - - len = info->start[0] + info->size - addr; - if (len > cnt) - len = cnt; - if ((i = write_buff(info, (uchar *)src, addr, len)) != 0) { - return (i); - } - cnt -= len; - addr += len; - src += len; - } - return (ERR_OK); -#endif /* CONFIG_SPD823TS */ -} - -/*----------------------------------------------------------------------- - */ - -void flash_perror (int err) -{ - switch (err) { - case ERR_OK: - break; - case ERR_TIMOUT: - puts ("Timeout writing to Flash\n"); - break; - case ERR_NOT_ERASED: - puts ("Flash not Erased\n"); - break; - case ERR_PROTECTED: - puts ("Can't write to protected Flash sectors\n"); - break; - case ERR_INVAL: - puts ("Outside available Flash\n"); - break; - case ERR_ALIGN: - puts ("Start and/or end address not on sector boundary\n"); - break; - case ERR_UNKNOWN_FLASH_VENDOR: - puts ("Unknown Vendor of Flash\n"); - break; - case ERR_UNKNOWN_FLASH_TYPE: - puts ("Unknown Type of Flash\n"); - break; - case ERR_PROG_ERROR: - puts ("General Flash Programming Error\n"); - break; - default: - printf ("%s[%d] FIXME: rc=%d\n", __FILE__, __LINE__, err); - break; - } -} - -/*----------------------------------------------------------------------- - */ -#endif /* !CFG_NO_FLASH */ |