drivers/mtd/cfi_flash.c

198 unsigned long flash_sector_size(flash_info_t *info, flash_sect_t sect)
200 	if (sect != (info->sector_count - 1))
201 		return info->start[sect + 1] - info->start[sect];
203 		return info->start[0] + info->size - info->start[sect];
210 flash_map(flash_info_t *info, flash_sect_t sect, uint offset)
214 	return (void *)(info->start[sect] + (byte_offset << info->chip_lsb));
217 static inline void flash_unmap(flash_info_t *info, flash_sect_t sect,
321 static ulong flash_read_long (flash_info_t *info, flash_sect_t sect,
330 	addr = flash_map(info, sect, offset);
349 	flash_unmap(info, sect, offset, addr);
357 static void flash_write_cmd(flash_info_t *info, flash_sect_t sect,
363 	addr = flash_map(info, sect, offset);
402 	flash_unmap(info, sect, offset, addr);
405 static void flash_unlock_seq(flash_info_t *info, flash_sect_t sect)
407 	flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_UNLOCK_START);
408 	flash_write_cmd(info, sect, info->addr_unlock2, AMD_CMD_UNLOCK_ACK);
413 static int flash_isequal(flash_info_t *info, flash_sect_t sect, uint offset,
420 	addr = flash_map(info, sect, offset);
454 	flash_unmap(info, sect, offset, addr);
461 static int flash_isset(flash_info_t *info, flash_sect_t sect, uint offset,
468 	addr = flash_map(info, sect, offset);
487 	flash_unmap(info, sect, offset, addr);
494 static int flash_toggle(flash_info_t *info, flash_sect_t sect, uint offset,
501 	addr = flash_map(info, sect, offset);
521 	flash_unmap(info, sect, offset, addr);
532 static int flash_is_busy(flash_info_t *info, flash_sect_t sect)
540 		retval = !flash_isset(info, sect, 0, FLASH_STATUS_DONE);
548 			flash_write_cmd(info, sect, info->addr_unlock1,
550 			retval = !flash_isset(info, sect, 0,
553 			retval = flash_toggle(info, sect, 0,
790 	flash_sect_t sect = 0;
826 		sect = find_sector(info, dest);
827 		flash_unlock_seq(info, sect);
828 		flash_write_cmd(info, sect, info->addr_unlock1, AMD_CMD_WRITE);
833 		sect = find_sector(info, dest);
861 		sect = find_sector(info, dest);
867 		return flash_full_status_check(info, sect,
1060 	flash_sect_t sect;
1073 	for (sect = s_first; sect <= s_last; ++sect)
1074 		if (info->protect[sect])
1083 	for (sect = s_first; sect <= s_last; sect++) {
1089 		if (info->protect[sect] == 0) { /* not protected */
1099 			size = flash_sector_size(info, sect);
1101 			flash = (u32 *)info->start[sect];
1120 				flash_write_cmd(info, sect, 0,
1122 				flash_write_cmd(info, sect, 0,
1124 				flash_write_cmd(info, sect, 0,
1129 				flash_unlock_seq(info, sect);
1130 				flash_write_cmd(info, sect,
1133 				flash_unlock_seq(info, sect);
1134 				flash_write_cmd(info, sect, 0,
1143 				flash_write_cmd(info, sect, 0,
1158 				dest = flash_map(info, sect, 0);
1162 				flash_unmap(info, sect, 0, dest);
1164 				st = flash_full_status_check(info, sect,