| /* |
| * Copyright (c) 2011 Zhang, Keguang <keguang.zhang@gmail.com> |
| * |
| * Loongson 1 Clock Register Definitions. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| |
| #ifndef __ASM_MACH_LOONGSON32_REGS_CLK_H |
| #define __ASM_MACH_LOONGSON32_REGS_CLK_H |
| |
| #define LS1X_CLK_REG(x) \ |
| ((void __iomem *)KSEG1ADDR(LS1X_CLK_BASE + (x))) |
| |
| #define LS1X_CLK_PLL_FREQ LS1X_CLK_REG(0x0) |
| #define LS1X_CLK_PLL_DIV LS1X_CLK_REG(0x4) |
| |
| /* Clock PLL Divisor Register Bits */ |
| #define DIV_DC_EN BIT(31) |
| #define DIV_DC_RST BIT(30) |
| #define DIV_CPU_EN BIT(25) |
| #define DIV_CPU_RST BIT(24) |
| #define DIV_DDR_EN BIT(19) |
| #define DIV_DDR_RST BIT(18) |
| #define RST_DC_EN BIT(5) |
| #define RST_DC BIT(4) |
| #define RST_DDR_EN BIT(3) |
| #define RST_DDR BIT(2) |
| #define RST_CPU_EN BIT(1) |
| #define RST_CPU BIT(0) |
| |
| #define DIV_DC_SHIFT 26 |
| #define DIV_CPU_SHIFT 20 |
| #define DIV_DDR_SHIFT 14 |
| |
| #define DIV_DC_WIDTH 4 |
| #define DIV_CPU_WIDTH 4 |
| #define DIV_DDR_WIDTH 4 |
| |
| #define BYPASS_DC_SHIFT 12 |
| #define BYPASS_DDR_SHIFT 10 |
| #define BYPASS_CPU_SHIFT 8 |
| |
| #define BYPASS_DC_WIDTH 1 |
| #define BYPASS_DDR_WIDTH 1 |
| #define BYPASS_CPU_WIDTH 1 |
| |
| #endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */ |
