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kernel add
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/*
* 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 (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_LOONGSON32_REGS_CLK_H */
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