Jagan Teki | d9a2241 | 2020-07-21 12:16:37 +0530 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Rockchip Electronics Co., Ltd. |
| 4 | */ |
| 5 | |
| 6 | #ifndef __ASM_ARCH_CPU_RK3288_H |
| 7 | #define __ASM_ARCH_CPU_RK3288_H |
| 8 | |
| 9 | #include <asm/io.h> |
| 10 | |
| 11 | #define ROCKCHIP_CPU_MASK 0xffff0000 |
| 12 | #define ROCKCHIP_CPU_RK3288 0x32880000 |
| 13 | |
| 14 | #define ROCKCHIP_SOC_MASK (ROCKCHIP_CPU_MASK | 0xff) |
| 15 | #define ROCKCHIP_SOC_RK3288 (ROCKCHIP_CPU_RK3288 | 0x00) |
| 16 | #define ROCKCHIP_SOC_RK3288W (ROCKCHIP_CPU_RK3288 | 0x01) |
| 17 | |
| 18 | #define RK3288_HDMI_PHYS 0xff980000 |
| 19 | #define HDMI_CONFIG0_ID 0x4 |
| 20 | #define RK3288W_HDMI_REVID 0x1a |
| 21 | |
| 22 | static inline int rockchip_soc_id(void) |
| 23 | { |
| 24 | u8 reg; |
| 25 | |
| 26 | #if defined(CONFIG_ROCKCHIP_RK3288) |
| 27 | reg = readb(RK3288_HDMI_PHYS + HDMI_CONFIG0_ID); |
| 28 | if (reg == RK3288W_HDMI_REVID) |
| 29 | return ROCKCHIP_SOC_RK3288W; |
| 30 | else |
| 31 | return ROCKCHIP_SOC_RK3288; |
| 32 | #else |
| 33 | return 0; |
| 34 | #endif |
| 35 | } |
| 36 | |
| 37 | #define ROCKCHIP_SOC(id, ID) \ |
| 38 | static inline bool soc_is_##id(void) \ |
| 39 | { \ |
| 40 | int soc_id = rockchip_soc_id(); \ |
| 41 | if (soc_id) \ |
| 42 | return ((soc_id & ROCKCHIP_SOC_MASK) == ROCKCHIP_SOC_ ##ID); \ |
| 43 | return false; \ |
| 44 | } |
| 45 | |
| 46 | ROCKCHIP_SOC(rk3288, RK3288) |
| 47 | ROCKCHIP_SOC(rk3288w, RK3288W) |
| 48 | |
| 49 | #endif /* __ASM_ARCH_CPU_RK3288_H */ |