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regs-clock.h

/*
 * arch/arm/mach-w90x900/include/mach/regs-clock.h
 *
 * Copyright (c) 2008 Nuvoton technology corporation.
 *
 * Wan ZongShun <mcuos.com@gmail.com>
 *
 * 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;version 2 of the License.
 *
 */

#ifndef __ASM_ARCH_REGS_CLOCK_H
#define __ASM_ARCH_REGS_CLOCK_H

/* Clock Control Registers  */
#define CLK_BA          W90X900_VA_CLKPWR
#define REG_CLKEN (CLK_BA + 0x00)
#define REG_CLKSEL      (CLK_BA + 0x04)
#define REG_CLKDIV      (CLK_BA + 0x08)
#define REG_PLLCON0     (CLK_BA + 0x0C)
#define REG_PLLCON1     (CLK_BA + 0x10)
#define REG_PMCON (CLK_BA + 0x14)
#define REG_IRQWAKECON  (CLK_BA + 0x18)
#define REG_IRQWAKEFLAG (CLK_BA + 0x1C)
#define REG_IPSRST      (CLK_BA + 0x20)
#define REG_CLKEN1      (CLK_BA + 0x24)
#define REG_CLKDIV1     (CLK_BA + 0x28)

/* Define PLL freq setting */
#define PLL_DISABLE           0x12B63
#define     PLL_66MHZ         0x2B63
#define     PLL_100MHZ        0x4F64
#define PLL_120MHZ            0x4F63
#define     PLL_166MHZ        0x4124
#define     PLL_200MHZ        0x4F24

/* Define AHB:CPUFREQ ratio */
#define     AHB_CPUCLK_1_1          0x00
#define     AHB_CPUCLK_1_2          0x01
#define     AHB_CPUCLK_1_4          0x02
#define     AHB_CPUCLK_1_8          0x03

/* Define APB:AHB ratio */
#define APB_AHB_1_2           0x01
#define APB_AHB_1_4           0x02
#define APB_AHB_1_8           0x03

/* Define clock skew */
#define DEFAULTSKEW           0x48

#endif /*  __ASM_ARCH_REGS_CLOCK_H */

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