projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| ca585cf9 KC |
2 | /* |
| 3 | * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> | |
| 4 | * | |
| 5 | * Loongson 1 Clock Register Definitions. | |
| ca585cf9 KC |
6 | */ |
| 7 | ||
| 30ad29bb HC |
8 | #ifndef __ASM_MACH_LOONGSON32_REGS_CLK_H |
| 9 | #define __ASM_MACH_LOONGSON32_REGS_CLK_H | |
| ca585cf9 KC |
10 | |
| 11 | #define LS1X_CLK_REG(x) \ | |
| 12 | ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) | |
| 13 | ||
| 14 | #define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) | |
| 15 | #define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) | |
| 16 | ||
| 12e3280b | 17 | #if defined(CONFIG_LOONGSON1_LS1B) |
| ca585cf9 | 18 | /* Clock PLL Divisor Register Bits */ |
| 9ec88b60 KC |
19 | #define DIV_DC_EN BIT(31) |
| 20 | #define DIV_DC_RST BIT(30) | |
| 21 | #define DIV_CPU_EN BIT(25) | |
| 22 | #define DIV_CPU_RST BIT(24) | |
| 23 | #define DIV_DDR_EN BIT(19) | |
| 24 | #define DIV_DDR_RST BIT(18) | |
| 25 | #define RST_DC_EN BIT(5) | |
| 26 | #define RST_DC BIT(4) | |
| 27 | #define RST_DDR_EN BIT(3) | |
| 28 | #define RST_DDR BIT(2) | |
| 29 | #define RST_CPU_EN BIT(1) | |
| 30 | #define RST_CPU BIT(0) | |
| ca585cf9 KC |
31 | |
| 32 | #define DIV_DC_SHIFT 26 | |
| 33 | #define DIV_CPU_SHIFT 20 | |
| 34 | #define DIV_DDR_SHIFT 14 | |
| 35 | ||
| f29ad10d KC |
36 | #define DIV_DC_WIDTH 4 |
| 37 | #define DIV_CPU_WIDTH 4 | |
| 38 | #define DIV_DDR_WIDTH 4 | |
| 39 | ||
| 40 | #define BYPASS_DC_SHIFT 12 | |
| 41 | #define BYPASS_DDR_SHIFT 10 | |
| 42 | #define BYPASS_CPU_SHIFT 8 | |
| 43 | ||
| 44 | #define BYPASS_DC_WIDTH 1 | |
| 45 | #define BYPASS_DDR_WIDTH 1 | |
| 46 | #define BYPASS_CPU_WIDTH 1 | |
| 17ded0a8 | 47 | |
| 12e3280b YL |
48 | #elif defined(CONFIG_LOONGSON1_LS1C) |
| 49 | /* PLL/SDRAM Frequency configuration register Bits */ | |
| 50 | #define PLL_VALID BIT(31) | |
| 51 | #define FRAC_N GENMASK(23, 16) | |
| 52 | #define RST_TIME GENMASK(3, 2) | |
| 53 | #define SDRAM_DIV GENMASK(1, 0) | |
| 54 | ||
| 55 | /* CPU/CAMERA/DC Frequency configuration register Bits */ | |
| 56 | #define DIV_DC_EN BIT(31) | |
| 57 | #define DIV_DC GENMASK(30, 24) | |
| 58 | #define DIV_CAM_EN BIT(23) | |
| 59 | #define DIV_CAM GENMASK(22, 16) | |
| 60 | #define DIV_CPU_EN BIT(15) | |
| 61 | #define DIV_CPU GENMASK(14, 8) | |
| 62 | #define DIV_DC_SEL_EN BIT(5) | |
| 63 | #define DIV_DC_SEL BIT(4) | |
| 64 | #define DIV_CAM_SEL_EN BIT(3) | |
| 65 | #define DIV_CAM_SEL BIT(2) | |
| 66 | #define DIV_CPU_SEL_EN BIT(1) | |
| 67 | #define DIV_CPU_SEL BIT(0) | |
| 68 | ||
| 69 | #define DIV_DC_SHIFT 24 | |
| 70 | #define DIV_CAM_SHIFT 16 | |
| 71 | #define DIV_CPU_SHIFT 8 | |
| 72 | #define DIV_DDR_SHIFT 0 | |
| 73 | ||
| 74 | #define DIV_DC_WIDTH 7 | |
| 75 | #define DIV_CAM_WIDTH 7 | |
| 76 | #define DIV_CPU_WIDTH 7 | |
| 77 | #define DIV_DDR_WIDTH 2 | |
| 78 | ||
| 79 | #endif | |
| 80 | ||
| 30ad29bb | 81 | #endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */ |