50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Rockchip Electronics Co., Ltd.
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*/
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#ifndef __ASM_ARCH_CPU_RK3288_H
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#define __ASM_ARCH_CPU_RK3288_H
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#include <asm/io.h>
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#define ROCKCHIP_CPU_MASK 0xffff0000
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#define ROCKCHIP_CPU_RK3288 0x32880000
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#define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff)
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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 RK3288_HDMI_PHYS 0xff980000
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#define HDMI_CONFIG0_ID 0x4
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#define RK3288W_HDMI_REVID 0x1a
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static inline int rockchip_soc_id(void)
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{
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u8 reg;
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#if defined(CONFIG_ROCKCHIP_RK3288)
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reg = readb(RK3288_HDMI_PHYS + HDMI_CONFIG0_ID);
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if (reg == RK3288W_HDMI_REVID)
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return ROCKCHIP_SOC_RK3288W;
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else
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return ROCKCHIP_SOC_RK3288;
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#else
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return 0;
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#endif
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}
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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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int soc_id = rockchip_soc_id(); \
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if (soc_id) \
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return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \
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return false; \
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}
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ROCKCHIP_SOC(rk3288, RK3288)
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ROCKCHIP_SOC(rk3288w, RK3288W)
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#endif /* __ASM_ARCH_CPU_RK3288_H */
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