| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Rockchip Electronics Co., Ltd. |
| */ |
| |
| #ifndef __ASM_ARCH_CPU_RK3288_H |
| #define __ASM_ARCH_CPU_RK3288_H |
| |
| #include <asm/io.h> |
| |
| #define ROCKCHIP_CPU_MASK 0xffff0000 |
| #define ROCKCHIP_CPU_RK3288 0x32880000 |
| |
| #define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff) |
| #define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00) |
| #define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01) |
| |
| #define RK3288_HDMI_PHYS 0xff980000 |
| #define HDMI_CONFIG0_ID 0x4 |
| #define RK3288W_HDMI_REVID 0x1a |
| |
| static inline int rockchip_soc_id(void) |
| { |
| u8 reg; |
| |
| #if defined(CONFIG_ROCKCHIP_RK3288) |
| reg = readb(RK3288_HDMI_PHYS + HDMI_CONFIG0_ID); |
| if (reg == RK3288W_HDMI_REVID) |
| return ROCKCHIP_SOC_RK3288W; |
| else |
| return ROCKCHIP_SOC_RK3288; |
| #else |
| return 0; |
| #endif |
| } |
| |
| #define ROCKCHIP_SOC(id, ID) \ |
| static inline bool soc_is_##id(void) \ |
| { \ |
| int soc_id = rockchip_soc_id(); \ |
| if (soc_id) \ |
| return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ |
| return false; \ |
| } |
| |
| ROCKCHIP_SOC(rk3288, RK3288) |
| ROCKCHIP_SOC(rk3288w, RK3288W) |
| |
| #endif /* __ASM_ARCH_CPU_RK3288_H */ |