| /* |
| * arch/arm/mach-l7200/include/mach/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 <mach/hardware.h> |
| |
| /* |
| * 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 |
