1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Rockchip Electronics Co., Ltd. 4 * 5 */ 6 7 #ifndef __ASM_ARCH_CPU_H 8 #define __ASM_ARCH_CPU_H 9 10 #include <asm/io.h> 11 12 #define ROCKCHIP_CPU_MASK 0xffff0000 13 #define ROCKCHIP_CPU_RK312X 0x31260000 14 #define ROCKCHIP_CPU_RK3288 0x32880000 15 #define ROCKCHIP_CPU_RK3308 0x33080000 16 #define ROCKCHIP_CPU_RK3566 0x35660000 17 #define ROCKCHIP_CPU_RK3568 0x35680000 18 19 #define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff) 20 #define ROCKCHIP_SOC_RK3126 (ROCKCHIP_CPU_RK312X | 0x00) 21 #define ROCKCHIP_SOC_RK3126B (ROCKCHIP_CPU_RK312X | 0x10) 22 #define ROCKCHIP_SOC_RK3126C (ROCKCHIP_CPU_RK312X | 0x20) 23 #define ROCKCHIP_SOC_RK3128 (ROCKCHIP_CPU_RK312X | 0x01) 24 #define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00) 25 #define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01) 26 #define ROCKCHIP_SOC_RK3308 (ROCKCHIP_CPU_RK3308 | 0x00) 27 #define ROCKCHIP_SOC_RK3308B (ROCKCHIP_CPU_RK3308 | 0x01) 28 #define ROCKCHIP_SOC_RK3566 (ROCKCHIP_CPU_RK3566 | 0x00) 29 #define ROCKCHIP_SOC_RK3568 (ROCKCHIP_CPU_RK3568 | 0x00) 30 31 static inline unsigned long rockchip_get_cpu_version(void) 32 { 33 #if defined(CONFIG_ROCKCHIP_RK3568) 34 #define PMUGRF_SOC_CON15 0xfdc20100 35 if (readl(PMUGRF_SOC_CON15) & GENMASK(15, 14)) 36 return 1; 37 else 38 return 0; 39 #else 40 return 0; 41 #endif 42 } 43 44 static inline int rockchip_soc_id(void) 45 { 46 #if defined(CONFIG_ROCKCHIP_RK3288) 47 /* RK3288W HDMI Revision ID is 0x1A */ 48 if (readl(0xFF980004) == 0x1A) 49 return ROCKCHIP_SOC_RK3288W; 50 else 51 return ROCKCHIP_SOC_RK3288; 52 #elif defined(CONFIG_ROCKCHIP_RK3308) 53 /* 54 * The CHIP_ID is stored in GRF_CHIP_ID: 55 * RK3308: 0xcea (3306 in decimal) 56 * RK3308B: 0x3308 57 * 58 */ 59 if (readl(0xFF000800) == 3306) 60 return ROCKCHIP_SOC_RK3308; 61 else 62 return ROCKCHIP_SOC_RK3308B; 63 #elif defined(CONFIG_ROCKCHIP_RK3568) 64 if (of_machine_is_compatible("rockchip,rk3566")) 65 return ROCKCHIP_SOC_RK3566; 66 else 67 return ROCKCHIP_SOC_RK3568; 68 #else 69 return 0; 70 #endif 71 } 72 73 #define ROCKCHIP_SOC(id, ID) \ 74 static inline bool soc_is_##id(void) \ 75 { \ 76 int soc_id = rockchip_soc_id(); \ 77 if (soc_id) \ 78 return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ 79 return false; \ 80 } 81 82 ROCKCHIP_SOC(rk3126, RK3126) 83 ROCKCHIP_SOC(rk3126b, RK3126B) 84 ROCKCHIP_SOC(rk3126c, RK3126C) 85 ROCKCHIP_SOC(rk3128, RK3128) 86 ROCKCHIP_SOC(rk3288, RK3288) 87 ROCKCHIP_SOC(rk3288w, RK3288W) 88 ROCKCHIP_SOC(rk3308, RK3308) 89 ROCKCHIP_SOC(rk3308b, RK3308B) 90 ROCKCHIP_SOC(rk3566, RK3566) 91 ROCKCHIP_SOC(rk3568, RK3568) 92 93 #endif 94