linux/arch/arm/mach-w90x900/include/mach/regs-clock.h
wanzongshun ae45b1c618 ARM: 5634/1: Add static setting cpu frequence for w90p910 platform
Add static setting cpu frequence for w90p910 platform.

Signed-off-by: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-08-01 16:23:57 +01:00

54 lines
1.4 KiB
C

/*
* 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 */