From 4af099bda90fe602aff96b2fd914fca89f320c5c Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Tue, 9 May 2006 13:49:12 +0200
Subject: [PATCH] Fix watchdog issues for ColdFire boards.

---
 CHANGELOG            | 16 +++++++++-------
 cpu/mcf52x2/serial.c |  5 ++++-
 drivers/cfi_flash.c  |  5 +++++
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 7eb8ede998..0a52639ddc 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,11 +2,13 @@
 Changes since U-Boot 1.1.4:
 ======================================================================
 
+* Fix watchdog issues for ColdFire boards.
+
 * Add M5271EVB board support.
 
 * Make R5200 specific low level initialization board conditional.
 
-* Update CPU target identification strings for Coldfire family.
+* Update CPU target identification strings for ColdFire family.
 
 * Update register definitions for MCF5271.
 
@@ -21,7 +23,7 @@ Changes since U-Boot 1.1.4:
   - Removed MPC8349ADS port
   - Added PCI support to MPC8349ADS
   - reworked memory map to allow mapping of all regions with BATs
-  Patch by Kumar Gala 20 Apr 2006
+  Patch by Kumar Gala, 20 Apr 2006
 
 * Coding Style cleanup
 
@@ -1813,7 +1815,7 @@ Changes for U-Boot 1.1.3:
   - use -mtune=xscale and -march=armv5 options for PXA
 
 * Patch by Florian Schlote, 08 Sep 2004:
-  Add support for SenTec-COBRA5272-board (Coldfire).
+  Add support for SenTec-COBRA5272-board (ColdFire).
 
 * Patch by Gleb Natapov, 07 Sep 2004:
   mpc824x: set PCI latency timer to a sane value
@@ -1871,7 +1873,7 @@ Changes for U-Boot 1.1.2:
 * Patch by Stefan Roese, 16 Dez 2004:
   - ext2fs support added
   - Tundra universe support added
-  - Coldfire MCF5249 support added (no preloader needed!)
+  - ColdFire MCF5249 support added (no preloader needed!)
   - MCF5249 board TASREG added
   - PPC boards added: APC405, CPCI405DT, CPCI750, G2000, HH405,
     VOM405, WUH405
@@ -2193,7 +2195,7 @@ Changes for U-Boot 1.1.2:
 
 * Fix NSCU config; add ethernet wakeup code.
 
-* Add link for preloader for Motorola Coldfire to README.m68k
+* Add link for preloader for Motorola ColdFire to README.m68k
 
 * Patch by Michael Bendzick, 12 Jul 2004:
   fix output formatting in drivers/cfi_flash.c
@@ -3140,7 +3142,7 @@ Changes for U-Boot 1.1.0:
 * Some code cleanup
 
 * Patch by Josef Baumgartner, 10 Feb 2004:
-  Fixes for Coldfire port
+  Fixes for ColdFire port
 
 * Patch by Brad Kemp, 11 Feb 2004:
   Fix CFI flash driver problems
@@ -3406,7 +3408,7 @@ Changes for U-Boot 1.0.1:
   - 4xx: removed spurious MII error messages on "mii info" command.
 
 * Patch by Bernhard Kuhn, 28 Nov 2003:
-  add support for Coldfire CPU
+  add support for ColdFire CPU
   add support for Motorola M5272C3 and M5282EVB boards
 
 * Patch by Pierre Aubert, 24 Nov 2003:
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c
index 1cde1b6883..c66bdef768 100644
--- a/cpu/mcf52x2/serial.c
+++ b/cpu/mcf52x2/serial.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <watchdog.h>
 
 #include <asm/mcfuart.h>
 
@@ -174,7 +175,9 @@ void serial_puts (const char *s) {
 }
 
 int serial_getc(void) {
-	while(!rs_is_char());
+	while(!rs_is_char())
+		WATCHDOG_RESET();
+
 	return rs_get_char();
 }
 
diff --git a/drivers/cfi_flash.c b/drivers/cfi_flash.c
index 2e3748081e..37172379b9 100644
--- a/drivers/cfi_flash.c
+++ b/drivers/cfi_flash.c
@@ -45,6 +45,7 @@
 /* #define DEBUG	*/
 
 #include <common.h>
+#include <watchdog.h>
 #include <asm/processor.h>
 #include <asm/byteorder.h>
 #include <environment.h>
@@ -1307,6 +1308,10 @@ static int flash_write_cfiword (flash_info_t * info, ulong dest,
 	if (flag)
 		enable_interrupts ();
 
+#if defined(CONFIG_MCF52x2)
+	WATCHDOG_RESET();
+#endif
+
 	return flash_full_status_check (info, find_sector (info, dest),
 					info->write_tout, "write");
 }
-- 
2.25.1