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 #include <dm/device.h> 12 13 #define ROCKCHIP_CPU_MASK 0xffff0000 14 #define ROCKCHIP_CPU_RK312X 0x31260000 15 #define ROCKCHIP_CPU_RK3288 0x32880000 16 #define ROCKCHIP_CPU_RK3308 0x33080000 17 #define ROCKCHIP_CPU_RK3566 0x35660000 18 #define ROCKCHIP_CPU_RK3568 0x35680000 19 20 #define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff) 21 #define ROCKCHIP_SOC_RK3126 (ROCKCHIP_CPU_RK312X | 0x00) 22 #define ROCKCHIP_SOC_RK3126B (ROCKCHIP_CPU_RK312X | 0x10) 23 #define ROCKCHIP_SOC_RK3126C (ROCKCHIP_CPU_RK312X | 0x20) 24 #define ROCKCHIP_SOC_RK3128 (ROCKCHIP_CPU_RK312X | 0x01) 25 #define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00) 26 #define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01) 27 #define ROCKCHIP_SOC_RK3308 (ROCKCHIP_CPU_RK3308 | 0x00) 28 #define ROCKCHIP_SOC_RK3308B (ROCKCHIP_CPU_RK3308 | 0x01) 29 #define ROCKCHIP_SOC_RK3566 (ROCKCHIP_CPU_RK3566 | 0x00) 30 #define ROCKCHIP_SOC_RK3568 (ROCKCHIP_CPU_RK3568 | 0x00) 31 32 static inline unsigned long rockchip_get_cpu_version(void) 33 { 34 #if defined(CONFIG_ROCKCHIP_RK3568) 35 #define PMUGRF_SOC_CON15 0xfdc20100 36 if (readl(PMUGRF_SOC_CON15) & GENMASK(15, 14)) 37 return 1; 38 else 39 return 0; 40 #else 41 return 0; 42 #endif 43 } 44 45 static inline int rockchip_soc_id(void) 46 { 47 #if defined(CONFIG_ROCKCHIP_RK3288) 48 /* RK3288W HDMI Revision ID is 0x1A */ 49 if (readl(0xFF980004) == 0x1A) 50 return ROCKCHIP_SOC_RK3288W; 51 else 52 return ROCKCHIP_SOC_RK3288; 53 #elif defined(CONFIG_ROCKCHIP_RK3308) 54 /* 55 * The CHIP_ID is stored in GRF_CHIP_ID: 56 * RK3308: 0xcea (3306 in decimal) 57 * RK3308B: 0x3308 58 * 59 */ 60 if (readl(0xFF000800) == 3306) 61 return ROCKCHIP_SOC_RK3308; 62 else 63 return ROCKCHIP_SOC_RK3308B; 64 #elif defined(CONFIG_ROCKCHIP_RK3568) 65 if (of_machine_is_compatible("rockchip,rk3566")) 66 return ROCKCHIP_SOC_RK3566; 67 else 68 return ROCKCHIP_SOC_RK3568; 69 #else 70 return 0; 71 #endif 72 } 73 74 #define ROCKCHIP_SOC(id, ID) \ 75 static inline bool soc_is_##id(void) \ 76 { \ 77 int soc_id = rockchip_soc_id(); \ 78 if (soc_id) \ 79 return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ 80 return false; \ 81 } 82 83 ROCKCHIP_SOC(rk3126, RK3126) 84 ROCKCHIP_SOC(rk3126b, RK3126B) 85 ROCKCHIP_SOC(rk3126c, RK3126C) 86 ROCKCHIP_SOC(rk3128, RK3128) 87 ROCKCHIP_SOC(rk3288, RK3288) 88 ROCKCHIP_SOC(rk3288w, RK3288W) 89 ROCKCHIP_SOC(rk3308, RK3308) 90 ROCKCHIP_SOC(rk3308b, RK3308B) 91 ROCKCHIP_SOC(rk3566, RK3566) 92 ROCKCHIP_SOC(rk3568, RK3568) 93 94 #endif 95