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wanzongshuna62e9032009-12-31 15:06:05 +01001/*
2 * arch/arm/mach-nuc93x/include/mach/regs-clock.h
3 *
4 * Copyright (c) 2008 Nuvoton technology corporation.
5 *
6 * Wan ZongShun <mcuos.com@gmail.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation;version 2 of the License.
11 *
12 */
13
14#ifndef __ASM_ARCH_REGS_CLOCK_H
15#define __ASM_ARCH_REGS_CLOCK_H
16
17/* Clock Control Registers */
18#define CLK_BA NUC93X_VA_CLKPWR
19#define REG_CLKEN (CLK_BA + 0x00)
20#define REG_CLKSEL (CLK_BA + 0x04)
21#define REG_CLKDIV (CLK_BA + 0x08)
22#define REG_PLLCON0 (CLK_BA + 0x0C)
23#define REG_PLLCON1 (CLK_BA + 0x10)
24#define REG_PMCON (CLK_BA + 0x14)
25#define REG_IRQWAKECON (CLK_BA + 0x18)
26#define REG_IRQWAKEFLAG (CLK_BA + 0x1C)
27#define REG_IPSRST (CLK_BA + 0x20)
28#define REG_CLKEN1 (CLK_BA + 0x24)
29#define REG_CLKDIV1 (CLK_BA + 0x28)
30
31/* Define PLL freq setting */
32#define PLL_DISABLE 0x12B63
33#define PLL_66MHZ 0x2B63
34#define PLL_100MHZ 0x4F64
35#define PLL_120MHZ 0x4F63
36#define PLL_166MHZ 0x4124
37#define PLL_200MHZ 0x4F24
38
39/* Define AHB:CPUFREQ ratio */
40#define AHB_CPUCLK_1_1 0x00
41#define AHB_CPUCLK_1_2 0x01
42#define AHB_CPUCLK_1_4 0x02
43#define AHB_CPUCLK_1_8 0x03
44
45/* Define APB:AHB ratio */
46#define APB_AHB_1_2 0x01
47#define APB_AHB_1_4 0x02
48#define APB_AHB_1_8 0x03
49
50/* Define clock skew */
51#define DEFAULTSKEW 0x48
52
53#endif /* __ASM_ARCH_REGS_CLOCK_H */