ae45b1c618
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>
54 lines
1.4 KiB
C
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 */
|