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ArmPlatformPkg/SP804TimerLib: Fixed macro timer base addresses 

The base address for the Metronome and Performance timer were reverted.




git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12162 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2011-08-18 10:06:38 +00:00
parent 5ec65e96b2
commit 9e4a626c06
1 changed files with 7 additions and 7 deletions
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14
ArmPlatformPkg/Library/SP804TimerLib/SP804TimerLib.c
View File

@ -21,8 +21,8 @@
#include <Library/IoLib.h>
#include <Drivers/SP804Timer.h>
#define SP804_TIMER_METRONOME_BASE (UINTN)PcdGet32 (PcdSP804TimerPerformanceBase)
#define SP804_TIMER_PERFORMANCE_BASE (UINTN)PcdGet32 (PcdSP804TimerMetronomeBase)
#define SP804_TIMER_METRONOME_BASE ((UINTN)PcdGet32 (PcdSP804TimerMetronomeBase))
#define SP804_TIMER_PERFORMANCE_BASE ((UINTN)PcdGet32 (PcdSP804TimerPerformanceBase))
// Setup SP810's Timer2 for managing delay functions. And Timer3 for Performance counter
// Note: ArmVE's Timer0 and Timer1 are used by TimerDxe.
@ -32,11 +32,11 @@ TimerConstructor (
VOID
)
{
// Check if Timer 2 is already initialized
// Check if the Metronome Timer is already initialized
if (MmioRead32(SP804_TIMER_METRONOME_BASE + SP804_TIMER_CONTROL_REG) & SP804_TIMER_CTRL_ENABLE) {
return RETURN_SUCCESS;
} else {
// Configure timer 2 for one shot operation, 32 bits, no prescaler, and interrupt disabled
// Configure the Metronome Timer for one shot operation, 32 bits, no prescaler, and interrupt disabled
MmioOr32 (SP804_TIMER_METRONOME_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ONESHOT | SP804_TIMER_CTRL_32BIT | SP804_PRESCALE_DIV_1);
// Preload the timer count register
@ -46,14 +46,14 @@ TimerConstructor (
MmioOr32 (SP804_TIMER_METRONOME_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ENABLE);
}
// Check if Timer 3 is already initialized
// Check if the Performance Timer is already initialized
if (MmioRead32(SP804_TIMER_PERFORMANCE_BASE + SP804_TIMER_CONTROL_REG) & SP804_TIMER_CTRL_ENABLE) {
return RETURN_SUCCESS;
} else {
// Configure timer 3 for free running operation, 32 bits, no prescaler, interrupt disabled
// Configure the Performance timer for free running operation, 32 bits, no prescaler, interrupt disabled
MmioOr32 (SP804_TIMER_PERFORMANCE_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_32BIT | SP804_PRESCALE_DIV_1);
// Enable the timer
// Start the Performance Timer ticking
MmioOr32 (SP804_TIMER_PERFORMANCE_BASE + SP804_TIMER_CONTROL_REG, SP804_TIMER_CTRL_ENABLE);
}