/* * Copyright (c) 2011 Zhang, Keguang * * 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_LOONGSON1_REGS_CLK_H #define __ASM_MACH_LOONGSON1_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 (0x1 << 31) #define DIV_DC_RST (0x1 << 30) #define DIV_CPU_EN (0x1 << 25) #define DIV_CPU_RST (0x1 << 24) #define DIV_DDR_EN (0x1 << 19) #define DIV_DDR_RST (0x1 << 18) #define RST_DC_EN (0x1 << 5) #define RST_DC (0x1 << 4) #define RST_DDR_EN (0x1 << 3) #define RST_DDR (0x1 << 2) #define RST_CPU_EN (0x1 << 1) #define RST_CPU 0x1 #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_LOONGSON1_REGS_CLK_H */