195d03b6cb
Change-Id: I8c84af7b41da306b20a6d3653deaeee6ce49ea31 Signed-off-by: Tao Huang <huangtao@rock-chips.com>
107 lines
3 KiB
C
107 lines
3 KiB
C
/*
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* Copyright (C) 2017 Rockchip Electronics Co. Ltd.
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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 version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that 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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#ifndef __LINUX_ROCKCHIP_CPU_H
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#define __LINUX_ROCKCHIP_CPU_H
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#include <linux/of.h>
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#ifdef CONFIG_ROCKCHIP_CPUINFO
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extern unsigned long rockchip_soc_id;
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#define ROCKCHIP_CPU_VERION_MASK 0x0000f000
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#define ROCKCHIP_CPU_VERION_SHIFT 12
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static inline unsigned long rockchip_get_cpu_version(void)
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{
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return (rockchip_soc_id & ROCKCHIP_CPU_VERION_MASK)
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>> ROCKCHIP_CPU_VERION_SHIFT;
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}
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static inline void rockchip_set_cpu_version(unsigned long ver)
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{
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rockchip_soc_id &= ~ROCKCHIP_CPU_VERION_MASK;
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rockchip_soc_id |=
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(ver << ROCKCHIP_CPU_VERION_SHIFT) & ROCKCHIP_CPU_VERION_MASK;
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}
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#else
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#define rockchip_soc_id 0
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static inline unsigned long rockchip_get_cpu_version(void)
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{
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return 0;
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}
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static inline void rockchip_set_cpu_version(unsigned long ver)
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{
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}
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#endif
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#define ROCKCHIP_CPU_MASK 0xffff0000
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#define ROCKCHIP_CPU_RK312X 0x31260000
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#define ROCKCHIP_CPU_RK3288 0x32880000
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#ifdef CONFIG_CPU_RK312X
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static inline bool cpu_is_rk312x(void)
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{
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if (rockchip_soc_id)
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return (rockchip_soc_id & ROCKCHIP_CPU_MASK) == ROCKCHIP_CPU_RK312X;
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return of_machine_is_compatible("rockchip,rk3126") ||
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of_machine_is_compatible("rockchip,rk3126b") ||
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of_machine_is_compatible("rockchip,rk3126c") ||
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of_machine_is_compatible("rockchip,rk3128");
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}
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#else
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static inline bool cpu_is_rk312x(void) { return false; }
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#endif
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#ifdef CONFIG_CPU_RK3288
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static inline bool cpu_is_rk3288(void)
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{
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if (rockchip_soc_id)
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return (rockchip_soc_id & ROCKCHIP_CPU_MASK) == ROCKCHIP_CPU_RK3288;
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return of_machine_is_compatible("rockchip,rk3288") ||
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of_machine_is_compatible("rockchip,rk3288w");
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}
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#else
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static inline bool cpu_is_rk3288(void) { return false; }
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#endif
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#define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff)
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#define ROCKCHIP_SOC_RK3126 (ROCKCHIP_CPU_RK312X | 0x00)
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#define ROCKCHIP_SOC_RK3126B (ROCKCHIP_CPU_RK312X | 0x10)
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#define ROCKCHIP_SOC_RK3126C (ROCKCHIP_CPU_RK312X | 0x20)
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#define ROCKCHIP_SOC_RK3128 (ROCKCHIP_CPU_RK312X | 0x01)
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#define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00)
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#define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01)
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#define ROCKCHIP_SOC(id, ID) \
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static inline bool soc_is_##id(void) \
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{ \
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if (rockchip_soc_id) \
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return ((rockchip_soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \
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return of_machine_is_compatible("rockchip,"#id); \
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}
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ROCKCHIP_SOC(rk3126, RK3126)
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ROCKCHIP_SOC(rk3126b, RK3126B)
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ROCKCHIP_SOC(rk3126c, RK3126C)
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ROCKCHIP_SOC(rk3128, RK3128)
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ROCKCHIP_SOC(rk3288, RK3288)
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ROCKCHIP_SOC(rk3288w, RK3288W)
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#endif
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