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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)
#if defined(CONFIG_LOONGSON1_LS1B)
/* 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
#elif defined(CONFIG_LOONGSON1_LS1C)
/* PLL/SDRAM Frequency configuration register Bits */
#define PLL_VALID BIT(31)
#define FRAC_N GENMASK(23, 16)
#define RST_TIME GENMASK(3, 2)
#define SDRAM_DIV GENMASK(1, 0)
/* CPU/CAMERA/DC Frequency configuration register Bits */
#define DIV_DC_EN BIT(31)
#define DIV_DC GENMASK(30, 24)
#define DIV_CAM_EN BIT(23)
#define DIV_CAM GENMASK(22, 16)
#define DIV_CPU_EN BIT(15)
#define DIV_CPU GENMASK(14, 8)
#define DIV_DC_SEL_EN BIT(5)
#define DIV_DC_SEL BIT(4)
#define DIV_CAM_SEL_EN BIT(3)
#define DIV_CAM_SEL BIT(2)
#define DIV_CPU_SEL_EN BIT(1)
#define DIV_CPU_SEL BIT(0)
#define DIV_DC_SHIFT 24
#define DIV_CAM_SHIFT 16
#define DIV_CPU_SHIFT 8
#define DIV_DDR_SHIFT 0
#define DIV_DC_WIDTH 7
#define DIV_CAM_WIDTH 7
#define DIV_CPU_WIDTH 7
#define DIV_DDR_WIDTH 2
#endif
#endif /* __ASM_MACH_LOONGSON32_REGS_CLK_H */
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