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ARM: Fix timer tick speed, should be 10ms.

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Kelvin Lawson
2013-02-26 20:09:18 +00:00
parent d83e5dbe00
commit 5e56576b2d
1 changed files with 8 additions and 2 deletions
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10
platforms/qemu_integratorcp/modules.c
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@@ -29,6 +29,7 @@
#include "modules.h"
#include <stdio.h>
#include <stdarg.h>
#include "atomport.h"
#include "atomport_private.h"
#include "atom.h"
#include "atomport.h"
@@ -42,6 +43,10 @@ extern int main(void);
ICP_TIMER_T* const board_timer_0 = (ICP_TIMER_T*) BOARD_BASE_ADDRESS_TIMER_0 ;
ICP_PIC_T * const board_pic = (ICP_PIC_T*) BOARD_BASE_ADDRESS_PIC ;
/** TIMER0 clock speed (Hz) */
#define TIMER0_CLOCK_SPEED 40000000
/**
* \b dbg_format_msg
*
@@ -110,8 +115,9 @@ low_level_init (void)
board_timer_0->INTCLR = 1 ;
board_pic->IRQ_ENABLESET |= ICP_PIC_IRQ_TIMERINT0 ;
board_timer_0->LOAD = 0x2000 ;
board_timer_0->BGLOAD = 0x2000 ;
/* Set the timer to go off 100 times per second (input clock speed is 40MHz) */
board_timer_0->LOAD = TIMER0_CLOCK_SPEED / SYSTEM_TICKS_PER_SEC ;
board_timer_0->BGLOAD = TIMER0_CLOCK_SPEED / SYSTEM_TICKS_PER_SEC ;
board_timer_0->CONTROL = ICP_TIMER_CONTROL_ENABLE |
ICP_TIMER_CONTROL_MODE |
ICP_TIMER_CONTROL_IE |