37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/*
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* Copyright 2011 Calxeda, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <common.h>
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#include <asm/io.h>
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#ifdef CONFIG_BOOTCOUNT_LIMIT
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void bootcount_store(ulong a)
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{
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writel((BOOTCOUNT_MAGIC & 0xffff0000) | a, CONFIG_SYS_BOOTCOUNT_ADDR);
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}
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ulong bootcount_load(void)
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{
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u32 tmp = readl(CONFIG_SYS_BOOTCOUNT_ADDR);
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if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000))
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return 0;
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else
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return tmp & 0x0000ffff;
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}
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#endif
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