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| author | wdenk <wdenk> | 2005-04-03 23:35:57 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2005-04-03 23:35:57 +0000 |
| commit | 50712ba16e7e469e90952a7f197efa46e2f8e311 (patch) | |
| tree | 4a6bf30c2ba3af8be123938f236eadca28c964d5 | |
| parent | 901787d6e83b6a5beba5905fbc5441673dcd63e1 (diff) | |
| download | u-boot-imx-50712ba16e7e469e90952a7f197efa46e2f8e311.zip u-boot-imx-50712ba16e7e469e90952a7f197efa46e2f8e311.tar.gz u-boot-imx-50712ba16e7e469e90952a7f197efa46e2f8e311.tar.bz2 | |
* 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
| -rw-r--r-- | CHANGELOG | 6 | ||||
| -rw-r--r-- | board/csb472/init.S | 2 | ||||
| -rw-r--r-- | lib_m68k/time.c | 22 |
3 files changed, 29 insertions, 1 deletions
@@ -2,6 +2,12 @@ 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: - Add low-boot option for MPC8260ADS board (if lowboot is selected, the jumper for the HRCW source should select flash. If lowboot is diff --git a/board/csb472/init.S b/board/csb472/init.S index ca0241b..aec42a1 100644 --- a/board/csb472/init.S +++ b/board/csb472/init.S @@ -129,7 +129,7 @@ ext_bus_cntlr_init: *******************************************************************/ /*WDCR_EBC(pb3ap, 0x07869200)*/ WDCR_EBC(pb3ap, 0x04055200) - WDCR_EBC(pb3cr, 0xff01c000) + WDCR_EBC(pb3cr, 0xf081c000) /******************************************************************** * Memory Bank 1,2,4-7 (Unused) initialization *******************************************************************/ diff --git a/lib_m68k/time.c b/lib_m68k/time.c index fb997b5..e2c1b06 100644 --- a/lib_m68k/time.c +++ b/lib_m68k/time.c @@ -131,6 +131,28 @@ void set_timer (ulong t) 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) |