diff options
Diffstat (limited to 'include/asm-arm/arch-l7200/gp_timers.h')
| -rw-r--r-- | include/asm-arm/arch-l7200/gp_timers.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/gp_timers.h b/include/asm-arm/arch-l7200/gp_timers.h new file mode 100644 index 00000000000..6f20962df24 --- /dev/null +++ b/include/asm-arm/arch-l7200/gp_timers.h @@ -0,0 +1,42 @@ +/* + * 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 <asm/arch/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 |