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_RK3308BS (ROCKCHIP_CPU_RK3308 | 0x02) 30 #define ROCKCHIP_SOC_RK3566 (ROCKCHIP_CPU_RK3566 | 0x00) 31 #define ROCKCHIP_SOC_RK3568 (ROCKCHIP_CPU_RK3568 | 0x00) 32 33 static inline unsigned long rockchip_get_cpu_version(void) 34 { 35 #if defined(CONFIG_ROCKCHIP_RK3568) 36 #define PMUGRF_SOC_CON15 0xfdc20100 37 if (readl(PMUGRF_SOC_CON15) & GENMASK(15, 14)) 38 return 1; 39 else 40 return 0; 41 #else 42 return 0; 43 #endif 44 } 45 46 static inline int rockchip_soc_id(void) 47 { 48 #if defined(CONFIG_ROCKCHIP_RK3288) 49 /* RK3288W HDMI Revision ID is 0x1A */ 50 if (readl(0xFF980004) == 0x1A) 51 return ROCKCHIP_SOC_RK3288W; 52 else 53 return ROCKCHIP_SOC_RK3288; 54 #elif defined(CONFIG_ROCKCHIP_RK3308) 55 /* 56 * The CHIP_ID is stored in GRF_CHIP_ID: 57 * RK3308: 0xcea (3306 in decimal) 58 * RK3308B: 0x3308 59 * RK3308BS: 0x3308c 60 */ 61 u32 v = readl(0xFF000800); 62 63 if (v == 3306) 64 return ROCKCHIP_SOC_RK3308; 65 else if (v == 0x3308c) 66 return ROCKCHIP_SOC_RK3308BS; 67 else 68 return ROCKCHIP_SOC_RK3308B; 69 #elif defined(CONFIG_ROCKCHIP_RK3568) 70 if (of_machine_is_compatible("rockchip,rk3566")) 71 return ROCKCHIP_SOC_RK3566; 72 else 73 return ROCKCHIP_SOC_RK3568; 74 #else 75 return 0; 76 #endif 77 } 78 79 #define ROCKCHIP_SOC(id, ID) \ 80 static inline bool soc_is_##id(void) \ 81 { \ 82 int soc_id = rockchip_soc_id(); \ 83 if (soc_id) \ 84 return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ 85 return false; \ 86 } 87 88 ROCKCHIP_SOC(rk3126, RK3126) 89 ROCKCHIP_SOC(rk3126b, RK3126B) 90 ROCKCHIP_SOC(rk3126c, RK3126C) 91 ROCKCHIP_SOC(rk3128, RK3128) 92 ROCKCHIP_SOC(rk3288, RK3288) 93 ROCKCHIP_SOC(rk3288w, RK3288W) 94 ROCKCHIP_SOC(rk3308, RK3308) 95 ROCKCHIP_SOC(rk3308b, RK3308B) 96 ROCKCHIP_SOC(rk3308bs, RK3308BS) 97 ROCKCHIP_SOC(rk3566, RK3566) 98 ROCKCHIP_SOC(rk3568, RK3568) 99 100 #endif 101