@ -26,6 +26,8 @@
# include <common.h>
# include <asm/mcftimer.h>
# include <asm/timer.h>
# include <asm/immap.h>
# ifdef CONFIG_M5271
# include <asm/m5271.h>
@ -71,8 +73,10 @@ void udelay(unsigned long usec)
timerp - > timer_tmr = MCFTIMER_TMR_DISABLE ;
timerp - > timer_tcn = 0 ;
/* set period to 1 us */
timerp - > timer_tmr = ( ( ( CFG_CLK / 1000000 ) - 1 ) < < 8 ) | MCFTIMER_TMR_CLK1 |
MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE ;
timerp - > timer_tmr =
( ( ( CFG_CLK / 1000000 ) -
1 ) < < 8 ) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_FREERUN |
MCFTIMER_TMR_ENABLE ;
start = now = timerp - > timer_tcn ;
while ( now < start + tmp )
@ -80,7 +84,8 @@ void udelay(unsigned long usec)
}
}
void mcf_timer_interrupt ( void * not_used ) {
void mcf_timer_interrupt ( void * not_used )
{
volatile timer_t * timerp = ( timer_t * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
volatile intctrl_t * intp = ( intctrl_t * ) ( CFG_MBAR + MCFSIM_ICR1 ) ;
@ -91,10 +96,11 @@ void mcf_timer_interrupt (void * not_used){
/* reset timer */
timerp - > timer_ter = MCFTIMER_TER_CAP | MCFTIMER_TER_REF ;
timestamp + + ;
timestamp + + ;
}
void timer_init ( void ) {
void timer_init ( void )
{
volatile timer_t * timerp = ( timer_t * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
volatile intctrl_t * intp = ( intctrl_t * ) ( CFG_MBAR + MCFSIM_ICR1 ) ;
@ -104,27 +110,29 @@ void timer_init (void) {
timerp - > timer_tmr = MCFTIMER_TMR_DISABLE ;
/* initialize and enable timer 4 interrupt */
irq_install_handler ( 72 , mcf_timer_interrupt , 0 ) ;
irq_install_handler ( 72 , mcf_timer_interrupt , 0 ) ;
intp - > int_icr1 | = 0x0000000d ;
timerp - > timer_tcn = 0 ;
timerp - > timer_trr = 1000 ; /* Interrupt every ms */
/* set a period of 1us, set timer mode to restart and enable timer and interrupt */
timerp - > timer_tmr = ( ( ( CFG_CLK / 1000000 ) - 1 ) < < 8 ) | MCFTIMER_TMR_CLK1 |
MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE ;
timerp - > timer_tmr =
( ( ( CFG_CLK / 1000000 ) -
1 ) < < 8 ) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_RESTART |
MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE ;
}
void reset_timer ( void )
void reset_timer ( void )
{
timestamp = 0 ;
}
ulong get_timer ( ulong base )
ulong get_timer ( ulong base )
{
return ( timestamp - base ) ;
}
void set_timer ( ulong t )
void set_timer ( ulong t )
{
timestamp = t ;
}
@ -137,7 +145,7 @@ void udelay(unsigned long usec)
volatile unsigned short * timerp ;
uint tmp ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE3 ) ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE3 ) ;
while ( usec > 0 ) {
if ( usec > 65000 )
@ -152,21 +160,21 @@ void udelay(unsigned long usec)
/* set period to 1 us */
timerp [ MCFTIMER_PCSR ] =
# ifdef CONFIG_M5271
( 6 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# else /* !CONFIG_M5271 */
( 5 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# endif /* CONFIG_M5271 */
( 6 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# else /* !CONFIG_M5271 */
( 5 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# endif /* CONFIG_M5271 */
timerp [ MCFTIMER_PMR ] = tmp ;
while ( timerp [ MCFTIMER_PCNTR ] > 0 ) ;
while ( timerp [ MCFTIMER_PCNTR ] > 0 ) ;
}
}
void timer_init ( void )
void timer_init ( void )
{
volatile unsigned short * timerp ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
timestamp = 0 ;
/* Set up TIMER 4 as poll clock */
@ -174,27 +182,27 @@ void timer_init (void)
timerp [ MCFTIMER_PMR ] = lastinc = 0 ;
timerp [ MCFTIMER_PCSR ] =
# ifdef CONFIG_M5271
( 6 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# else /* !CONFIG_M5271 */
( 5 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# endif /* CONFIG_M5271 */
( 6 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# else /* !CONFIG_M5271 */
( 5 < < 8 ) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW ;
# endif /* CONFIG_M5271 */
}
void set_timer ( ulong t )
void set_timer ( ulong t )
{
volatile unsigned short * timerp ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
timestamp = 0 ;
timerp [ MCFTIMER_PMR ] = lastinc = 0 ;
}
ulong get_timer ( ulong base )
ulong get_timer ( ulong base )
{
unsigned short now , diff ;
volatile unsigned short * timerp ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
timerp = ( volatile unsigned short * ) ( CFG_MBAR + MCFTIMER_BASE4 ) ;
now = timerp [ MCFTIMER_PCNTR ] ;
diff = - ( now - lastinc ) ;
@ -203,14 +211,13 @@ ulong get_timer (ulong base)
return timestamp - base ;
}
void wait_ticks ( unsigned long ticks )
void wait_ticks ( unsigned long ticks )
{
set_timer ( 0 ) ;
while ( get_timer ( 0 ) < ticks ) ;
set_timer ( 0 ) ;
while ( get_timer ( 0 ) < ticks ) ;
}
# endif
# if defined(CONFIG_M5249)
/*
* We use timer 1 which is running with a period of 1 us
@ -232,8 +239,10 @@ void udelay(unsigned long usec)
timerp - > timer_tcn = 0 ;
/* set period to 1 us */
/* on m5249 the system clock is (cpu_clk / 2) -> divide by 2000000 */
timerp - > timer_tmr = ( ( ( CFG_CLK / 2000000 ) - 1 ) < < 8 ) | MCFTIMER_TMR_CLK1 |
MCFTIMER_TMR_FREERUN | MCFTIMER_TMR_ENABLE ;
timerp - > timer_tmr =
( ( ( CFG_CLK / 2000000 ) -
1 ) < < 8 ) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_FREERUN |
MCFTIMER_TMR_ENABLE ;
start = now = timerp - > timer_tcn ;
while ( now < start + tmp )
@ -241,7 +250,8 @@ void udelay(unsigned long usec)
}
}
void mcf_timer_interrupt ( void * not_used ) {
void mcf_timer_interrupt ( void * not_used )
{
volatile timer_t * timerp = ( timer_t * ) ( CFG_MBAR + MCFTIMER_BASE2 ) ;
/* check for timer 2 interrupts */
@ -251,10 +261,11 @@ void mcf_timer_interrupt (void * not_used){
/* reset timer */
timerp - > timer_ter = MCFTIMER_TER_CAP | MCFTIMER_TER_REF ;
timestamp + + ;
timestamp + + ;
}
void timer_init ( void ) {
void timer_init ( void )
{
volatile timer_t * timerp = ( timer_t * ) ( CFG_MBAR + MCFTIMER_BASE2 ) ;
timestamp = 0 ;
@ -263,29 +274,33 @@ void timer_init (void) {
timerp - > timer_tmr = MCFTIMER_TMR_DISABLE ;
/* initialize and enable timer 2 interrupt */
irq_install_handler ( 31 , mcf_timer_interrupt , 0 ) ;
irq_install_handler ( 31 , mcf_timer_interrupt , 0 ) ;
mbar_writeLong ( MCFSIM_IMR , mbar_readLong ( MCFSIM_IMR ) & ~ 0x00000400 ) ;
mbar_writeByte ( MCFSIM_TIMER2ICR , MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 | MCFSIM_ICR_PRI3 ) ;
mbar_writeByte ( MCFSIM_TIMER2ICR ,
MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL7 |
MCFSIM_ICR_PRI3 ) ;
timerp - > timer_tcn = 0 ;
timerp - > timer_trr = 1000 ; /* Interrupt every ms */
/* set a period of 1us, set timer mode to restart and enable timer and interrupt */
/* on m5249 the system clock is (cpu_clk / 2) -> divide by 2000000 */
timerp - > timer_tmr = ( ( ( CFG_CLK / 2000000 ) - 1 ) < < 8 ) | MCFTIMER_TMR_CLK1 |
MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE ;
timerp - > timer_tmr =
( ( ( CFG_CLK / 2000000 ) -
1 ) < < 8 ) | MCFTIMER_TMR_CLK1 | MCFTIMER_TMR_RESTART |
MCFTIMER_TMR_ENORI | MCFTIMER_TMR_ENABLE ;
}
void reset_timer ( void )
void reset_timer ( void )
{
timestamp = 0 ;
}
ulong get_timer ( ulong base )
ulong get_timer ( ulong base )
{
return ( timestamp - base ) ;
}
void set_timer ( ulong t )
void set_timer ( ulong t )
{
timestamp = t ;
}
@ -299,12 +314,7 @@ void set_timer (ulong t)
# if !defined(CFG_TMR_BASE) || !defined(CFG_INTR_BASE) || !defined(CFG_TMRINTR_NO) || !defined(CFG_TMRINTR_MASK)
# error "TMR_BASE, INTR_BASE, TMRINTR_NO or TMRINTR_MASk not defined!"
# endif
# include <asm/immap_5329.h>
extern void dtimer_interrupt ( void * not_used ) ;
extern void dtimer_interrupt_setup ( void ) ;
extern void dtimer_interrupt_enable ( void ) ;
extern void dtimer_intr_setup ( void ) ;
void udelay ( unsigned long usec )
{
@ -323,8 +333,8 @@ void udelay(unsigned long usec)
timerp - > tcn = 0 ;
/* set period to 1 us */
timerp - > tmr =
( ( ( CFG_CLK / 1000000 ) -
1 ) < < 8 ) | DTIM_DTMR_CLK_DIV1 | DTIM_DTMR_FRR | DTIM_DTMR_RST_EN ;
CFG_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 | DTIM_DTMR_FRR |
DTIM_DTMR_RST_EN ;
start = now = timerp - > tcn ;
while ( now < start + tmp )
@ -348,7 +358,6 @@ void dtimer_interrupt(void *not_used)
void timer_init ( void )
{
volatile dtmr_t * timerp = ( dtmr_t * ) ( CFG_TMR_BASE ) ;
volatile int0_t * intp = ( int0_t * ) ( CFG_INTR_BASE ) ;
timestamp = 0 ;
@ -358,14 +367,13 @@ void timer_init(void)
/* Set up TIMER 4 as clock */
timerp - > tmr = DTIM_DTMR_RST_RST ;
/* initialize and enable timer 4 interrupt */
/* initialize and enable timer interrupt */
irq_install_handler ( CFG_TMRINTR_NO , dtimer_interrupt , 0 ) ;
intp - > icr0 [ CFG_TMRINTR_NO ] = CFG_TMRINTR_PRI ;
timerp - > tcn = 0 ;
timerp - > trr = 1000 ; /* Interrupt every ms */
intp - > imrh0 & = ~ CFG_TMRINTR_MASK ;
dtimer_intr_setup ( ) ;
/* set a period of 1us, set timer mode to restart and enable timer and interrupt */
timerp - > tmr = CFG_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 |
@ -470,7 +478,7 @@ unsigned long long get_ticks(void)
* This function is derived from PowerPC code ( timebase clock frequency ) .
* On M68K it returns the number of timer ticks per second .
*/
ulong get_tbclk ( void )
ulong get_tbclk ( void )
{
ulong tbclk ;
tbclk = CFG_HZ ;