49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/*
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* drivers/char/sunxi_sys_info/sunxi-smc.c
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*
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* Copyright(c) 2015-2016 Allwinnertech Co., Ltd.
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* http://www.allwinnertech.com
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*
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* Author: sunny <superm@allwinnertech.com>
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*
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* allwinner sunxi soc chip version and chip id manager.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __SUNXI_SMC_H
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#define __SUNXI_SMC_H
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extern int invoke_smc_fn(u32 function_id, u64 arg0, u64 arg1, u64 arg2);
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extern u32 sunxi_smc_readl(phys_addr_t addr);
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extern int sunxi_smc_writel(u32 value, phys_addr_t addr);
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extern int sunxi_smc_probe_secure(void);
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extern int sunxi_soc_is_secure(void);
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extern int sunxi_smc_copy_arisc_paras(phys_addr_t dest, phys_addr_t src, u32 len);
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#ifndef CONFIG_ARM64
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static inline u32 sunxi_readl(phys_addr_t addr)
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{
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#ifdef CONFIG_SUNXI_SMC
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if (sunxi_soc_is_secure())
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return sunxi_smc_readl(addr);
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else
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#endif
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return readl(IO_ADDRESS(addr));
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}
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static inline void sunxi_writel(u32 val, phys_addr_t addr)
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{
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#ifdef CONFIG_SUNXI_SMC
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if (sunxi_soc_is_secure())
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sunxi_smc_writel(val, addr);
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else
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#endif
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writel(val, IO_ADDRESS(addr));
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}
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#endif
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#endif /* __SUNXI_SMC_H */
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