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_PX30 0x33260000 15 #define ROCKCHIP_CPU_RK312X 0x31260000 16 #define ROCKCHIP_CPU_RK3288 0x32880000 17 #define ROCKCHIP_CPU_RK3308 0x33080000 18 #define ROCKCHIP_CPU_RK3566 0x35660000 19 #define ROCKCHIP_CPU_RK3568 0x35680000 20 21 #define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff) 22 #define ROCKCHIP_SOC_PX30 (ROCKCHIP_CPU_PX30 | 0x00) 23 #define ROCKCHIP_SOC_PX30S (ROCKCHIP_CPU_PX30 | 0x01) 24 #define ROCKCHIP_SOC_RK3126 (ROCKCHIP_CPU_RK312X | 0x00) 25 #define ROCKCHIP_SOC_RK3126B (ROCKCHIP_CPU_RK312X | 0x10) 26 #define ROCKCHIP_SOC_RK3126C (ROCKCHIP_CPU_RK312X | 0x20) 27 #define ROCKCHIP_SOC_RK3128 (ROCKCHIP_CPU_RK312X | 0x01) 28 #define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00) 29 #define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01) 30 #define ROCKCHIP_SOC_RK3308 (ROCKCHIP_CPU_RK3308 | 0x00) 31 #define ROCKCHIP_SOC_RK3308B (ROCKCHIP_CPU_RK3308 | 0x01) 32 #define ROCKCHIP_SOC_RK3308BS (ROCKCHIP_CPU_RK3308 | 0x02) 33 #define ROCKCHIP_SOC_RK3566 (ROCKCHIP_CPU_RK3566 | 0x00) 34 #define ROCKCHIP_SOC_RK3568 (ROCKCHIP_CPU_RK3568 | 0x00) 35 36 static inline unsigned long rockchip_get_cpu_version(void) 37 { 38 #if defined(CONFIG_ROCKCHIP_RK3568) 39 #define PMUGRF_SOC_CON15 0xfdc20100 40 if (readl(PMUGRF_SOC_CON15) & GENMASK(15, 14)) 41 return 1; 42 else 43 return 0; 44 #else 45 return 0; 46 #endif 47 } 48 49 static inline int rockchip_soc_id(void) 50 { 51 #if defined(CONFIG_ROCKCHIP_PX30) 52 u32 v = readl(0xFF630004); 53 54 /* The CHIP_ID is stored in DDRGRF CON1[15:14] 55 * PX30: 0x00 56 * PX30S: 0x03 57 */ 58 if (((v >> 14) & 0x03) == 0x03) 59 return ROCKCHIP_SOC_PX30S; 60 else 61 return ROCKCHIP_SOC_PX30; 62 #elif defined(CONFIG_ROCKCHIP_RK3288) 63 /* RK3288W HDMI Revision ID is 0x1A */ 64 if (readl(0xFF980004) == 0x1A) 65 return ROCKCHIP_SOC_RK3288W; 66 else 67 return ROCKCHIP_SOC_RK3288; 68 #elif defined(CONFIG_ROCKCHIP_RK3308) 69 /* 70 * The CHIP_ID is stored in GRF_CHIP_ID: 71 * RK3308: 0xcea (3306 in decimal) 72 * RK3308B: 0x3308 73 * RK3308BS: 0x3308c 74 */ 75 u32 v = readl(0xFF000800); 76 77 if (v == 3306) 78 return ROCKCHIP_SOC_RK3308; 79 else if (v == 0x3308c) 80 return ROCKCHIP_SOC_RK3308BS; 81 else 82 return ROCKCHIP_SOC_RK3308B; 83 #elif defined(CONFIG_ROCKCHIP_RK3568) 84 if (of_machine_is_compatible("rockchip,rk3566")) 85 return ROCKCHIP_SOC_RK3566; 86 else 87 return ROCKCHIP_SOC_RK3568; 88 #else 89 return 0; 90 #endif 91 } 92 93 #define ROCKCHIP_SOC(id, ID) \ 94 static inline bool soc_is_##id(void) \ 95 { \ 96 int soc_id = rockchip_soc_id(); \ 97 if (soc_id) \ 98 return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ 99 return false; \ 100 } 101 102 ROCKCHIP_SOC(px30, PX30) 103 ROCKCHIP_SOC(px30s, PX30S) 104 ROCKCHIP_SOC(rk3126, RK3126) 105 ROCKCHIP_SOC(rk3126b, RK3126B) 106 ROCKCHIP_SOC(rk3126c, RK3126C) 107 ROCKCHIP_SOC(rk3128, RK3128) 108 ROCKCHIP_SOC(rk3288, RK3288) 109 ROCKCHIP_SOC(rk3288w, RK3288W) 110 ROCKCHIP_SOC(rk3308, RK3308) 111 ROCKCHIP_SOC(rk3308b, RK3308B) 112 ROCKCHIP_SOC(rk3308bs, RK3308BS) 113 ROCKCHIP_SOC(rk3566, RK3566) 114 ROCKCHIP_SOC(rk3568, RK3568) 115 116 #endif 117