diff options
Diffstat (limited to 'tools/updater/flash.c')
| -rw-r--r-- | tools/updater/flash.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/tools/updater/flash.c b/tools/updater/flash.c deleted file mode 100644 index 5388872..0000000 --- a/tools/updater/flash.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * (C) Copyright 2000-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <flash.h> - -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; - - /* 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(CONFIG_SYS_FLASH_PROTECTION) - flash_real_protect(info, i, 0); -#else - info->protect[i] = 0; -#endif /* CONFIG_SYS_FLASH_PROTECTION */ - } - else if (flag & FLAG_PROTECT_SET) { -#if defined(CONFIG_SYS_FLASH_PROTECTION) - flash_real_protect(info, i, 1); -#else - info->protect[i] = 1; -#endif /* CONFIG_SYS_FLASH_PROTECTION */ - } - } - } -} - -/*----------------------------------------------------------------------- - */ - -flash_info_t * -addr2info (ulong addr) -{ -#ifndef CONFIG_SPD823TS - flash_info_t *info; - int i; - - for (i=0, info = &flash_info[0]; i<CONFIG_SYS_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; - int j; - - 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); - } - } - } - - printf("\rWriting "); - for (j=0; j<20; j++) putc(177); - printf("\rWriting "); - - /* 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, src, addr, len)) != 0) { - return (i); - } - cnt -= len; - addr += len; - src += len; - } - return (ERR_OK); -#endif /* CONFIG_SPD823TS */ -} - -/*----------------------------------------------------------------------- - */ |