/* * 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 . */ #include #include #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