| /* |
| * Copyright 2011 Calxeda, Inc. |
| * |
| * 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 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, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <common.h> |
| #include <asm/io.h> |
| |
| #ifdef CONFIG_BOOTCOUNT_LIMIT |
| void bootcount_store(ulong a) |
| { |
| writel((BOOTCOUNT_MAGIC & 0xffff0000) | a, CONFIG_SYS_BOOTCOUNT_ADDR); |
| } |
| |
| ulong bootcount_load(void) |
| { |
| u32 tmp = readl(CONFIG_SYS_BOOTCOUNT_ADDR); |
| |
| if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) |
| return 0; |
| else |
| return tmp & 0x0000ffff; |
| } |
| #endif |