/* * linux/include/asm-arm/arch-l7200/gp_timers.h * * Copyright (C) 2000 Steve Hill (sjhill@cotw.com) * * Changelog: * 07-28-2000 SJH Created file * 08-02-2000 SJH Used structure for registers */ #ifndef _ASM_ARCH_GPTIMERS_H #define _ASM_ARCH_GPTIMERS_H #include /* * Layout of L7200 general purpose timer registers */ struct GPT_Regs { unsigned int TIMERLOAD; unsigned int TIMERVALUE; unsigned int TIMERCONTROL; unsigned int TIMERCLEAR; }; #define GPT_BASE (IO_BASE_2 + 0x3000) #define l7200_timer1_regs ((volatile struct GPT_Regs *) (GPT_BASE)) #define l7200_timer2_regs ((volatile struct GPT_Regs *) (GPT_BASE + 0x20)) /* * General register values */ #define GPT_PRESCALE_1 0x00000000 #define GPT_PRESCALE_16 0x00000004 #define GPT_PRESCALE_256 0x00000008 #define GPT_MODE_FREERUN 0x00000000 #define GPT_MODE_PERIODIC 0x00000040 #define GPT_ENABLE 0x00000080 #define GPT_BZTOG 0x00000100 #define GPT_BZMOD 0x00000200 #define GPT_LOAD_MASK 0x0000ffff #endif