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Timer capability added, Baremetal5 added as Timer Sevice, Code not

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tested yet.
This commit is contained in:
Amit Mahajan
2009-11-25 13:50:24 +05:30
parent b53cc73747
commit 9f57cb7c67
12 changed files with 495 additions and 1 deletions
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67
conts/libdev/timer/sp804/include/sp804_timer.h Normal file
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/*
* SP804 Primecell Timer offsets
*
* Copyright (C) 2007 Bahadir Balban
*
*/
#ifndef __SP804_TIMER_H__
#define __SP804_TIMER_H__
#define SP804_TIMER2_OFFSET 0x20
/* Base address of Timers for differen platforms */
#if defined(PLATFORM_PB926)
#define TIMER0_PHYS_BASE 0x101E2000
#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
#define TIMER2_PHYS_BASE 0x101E3000
#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
#elif defined(PLATFORM_EB)
#define TIMER0_PHYS_BASE 0x10011000
#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
#define TIMER2_PHYS_BASE 0x10012000
#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
#elif defined(PLATFORM_PB11MPCORE) || defined(PLATFORM_PBA8)
#define TIMER0_PHYS_BASE 0x10011000
#define TIMER1_PHYS_BASE (TIMER0_PHYS_BASE + SP804_TIMER2_OFFSET)
#define TIMER2_PHYS_BASE 0x10012000
#define TIMER3_PHYS_BASE (TIMER2_PHYS_BASE + SP804_TIMER2_OFFSET)
#define TIMER4_PHYS_BASE 0x10018000
#define TIMER5_PHYS_BASE (TIMER4_PHYS_BASE + SP804_TIMER2_OFFSET)
#define TIMER6_PHYS_BASE 0x10019000
#define TIMER7_PHYS_BASE (TIMER6_PHYS_BASE + SP804_TIMER2_OFFSET)
#endif
/* Run mode of timers */
#define SP804_TIMER_RUNMODE_FREERUN 0
#define SP804_TIMER_RUNMODE_PERIODIC 1
/* Wrap mode of timers */
#define SP804_TIMER_WRAPMODE_WRAPPING 0
#define SP804_TIMER_WRAPMODE_ONESHOT 1
/* Operational width of timer */
#define SP804_TIMER_WIDTH16BIT 0
#define SP804_TIMER_WIDTH32BIT 1
/* Enable/disable irq on timer */
#define SP804_TIMER_IRQDISABLE 0
#define SP804_TIMER_IRQENABLE 1
/* Register offsets */
#define SP804_TIMERLOAD 0x0
#define SP804_TIMERVALUE 0x4
#define SP804_TIMERCONTROL 0x8
#define SP804_TIMERINTCLR 0xC
#define SP804_TIMERRIS 0x10
#define SP804_TIMERMIS 0x14
#define SP804_TIMERBGLOAD 0x18
void sp804_init(unsigned int timer_base, int runmode, int wrapmode, \
int width, int irq_enable);
void sp804_irq_handler(unsigned int timer_base);
void sp804_enable(unsigned int timer_base, int enable);
void sp804_set_irq(unsigned int timer_base, int enable);
unsigned int sp804_read_value(unsigned int timer_base);
#endif /* __SP804_TIMER_H__ */