* Patch by Mathias Kster, 23 Nov 2004:
add udelay support for the mcf5282 cpu * Patch by Tolunay Orkun, 16 November 2004: fix incorrect onboard Xilinx CPLD base address
This commit is contained in:
parent
901787d6e8
commit
50712ba16e
|
@ -2,6 +2,12 @@
|
||||||
Changes for U-Boot 1.1.3:
|
Changes for U-Boot 1.1.3:
|
||||||
======================================================================
|
======================================================================
|
||||||
|
|
||||||
|
* Patch by Mathias Küster, 23 Nov 2004:
|
||||||
|
add udelay support for the mcf5282 cpu
|
||||||
|
|
||||||
|
* Patch by Tolunay Orkun, 16 November 2004:
|
||||||
|
fix incorrect onboard Xilinx CPLD base address
|
||||||
|
|
||||||
* Patch by Jerry Van Baren, 08 Nov 2004:
|
* Patch by Jerry Van Baren, 08 Nov 2004:
|
||||||
- Add low-boot option for MPC8260ADS board (if lowboot is selected,
|
- Add low-boot option for MPC8260ADS board (if lowboot is selected,
|
||||||
the jumper for the HRCW source should select flash. If lowboot is
|
the jumper for the HRCW source should select flash. If lowboot is
|
||||||
|
|
|
@ -129,7 +129,7 @@ ext_bus_cntlr_init:
|
||||||
*******************************************************************/
|
*******************************************************************/
|
||||||
/*WDCR_EBC(pb3ap, 0x07869200)*/
|
/*WDCR_EBC(pb3ap, 0x07869200)*/
|
||||||
WDCR_EBC(pb3ap, 0x04055200)
|
WDCR_EBC(pb3ap, 0x04055200)
|
||||||
WDCR_EBC(pb3cr, 0xff01c000)
|
WDCR_EBC(pb3cr, 0xf081c000)
|
||||||
/********************************************************************
|
/********************************************************************
|
||||||
* Memory Bank 1,2,4-7 (Unused) initialization
|
* Memory Bank 1,2,4-7 (Unused) initialization
|
||||||
*******************************************************************/
|
*******************************************************************/
|
||||||
|
|
|
@ -131,6 +131,28 @@ void set_timer (ulong t)
|
||||||
|
|
||||||
void udelay(unsigned long usec)
|
void udelay(unsigned long usec)
|
||||||
{
|
{
|
||||||
|
volatile unsigned short *timerp;
|
||||||
|
uint tmp;
|
||||||
|
|
||||||
|
timerp = (volatile unsigned short *) (CFG_MBAR + MCFTIMER_BASE3);
|
||||||
|
|
||||||
|
while (usec > 0) {
|
||||||
|
if (usec > 65000)
|
||||||
|
tmp = 65000;
|
||||||
|
else
|
||||||
|
tmp = usec;
|
||||||
|
usec = usec - tmp;
|
||||||
|
|
||||||
|
/* Set up TIMER 3 as timebase clock */
|
||||||
|
timerp[MCFTIMER_PCSR] = MCFTIMER_PCSR_OVW;
|
||||||
|
timerp[MCFTIMER_PMR] = 0;
|
||||||
|
/* set period to 1 us */
|
||||||
|
timerp[MCFTIMER_PCSR] =
|
||||||
|
(5 << 8) | MCFTIMER_PCSR_EN | MCFTIMER_PCSR_OVW;
|
||||||
|
|
||||||
|
timerp[MCFTIMER_PMR] = tmp;
|
||||||
|
while (timerp[MCFTIMER_PCNTR] > 0);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void timer_init (void)
|
void timer_init (void)
|
||||||
|
|
Loading…
Reference in New Issue