From 50712ba16e7e469e90952a7f197efa46e2f8e311 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 3 Apr 2005 23:35:57 +0000
Subject: =?UTF-8?q?*=20Patch=20by=20Mathias=20K=FCster,=2023=20Nov=202004:?=
 =?UTF-8?q?=20=20=20add=20udelay=20support=20for=20the=20mcf5282=20cpu?=
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* Patch by Tolunay Orkun, 16 November 2004:
  fix incorrect onboard Xilinx CPLD base address
---
 CHANGELOG           |  6 ++++++
 board/csb472/init.S |  2 +-
 lib_m68k/time.c     | 22 ++++++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 239c82a300..73fb943b7c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -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 ca0241bd8a..aec42a14b9 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 fb997b5b49..e2c1b060b4 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)
-- 
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