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
rockchip_get_cpu_version(void)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
rockchip_soc_id(void)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