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ca585cf9 KC |
1 | /* |
2 | * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> | |
3 | * | |
4 | * Loongson 1 Clock Register Definitions. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | */ | |
11 | ||
12 | #ifndef __ASM_MACH_LOONGSON1_REGS_CLK_H | |
13 | #define __ASM_MACH_LOONGSON1_REGS_CLK_H | |
14 | ||
15 | #define LS1X_CLK_REG(x) \ | |
16 | ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) | |
17 | ||
18 | #define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) | |
19 | #define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) | |
20 | ||
21 | /* Clock PLL Divisor Register Bits */ | |
22 | #define DIV_DC_EN (0x1 << 31) | |
23 | #define DIV_DC (0x1f << 26) | |
24 | #define DIV_CPU_EN (0x1 << 25) | |
25 | #define DIV_CPU (0x1f << 20) | |
26 | #define DIV_DDR_EN (0x1 << 19) | |
27 | #define DIV_DDR (0x1f << 14) | |
28 | ||
29 | #define DIV_DC_SHIFT 26 | |
30 | #define DIV_CPU_SHIFT 20 | |
31 | #define DIV_DDR_SHIFT 14 | |
32 | ||
33 | #endif /* __ASM_MACH_LOONGSON1_REGS_CLK_H */ |