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From: Sam Leffler <sam@FreeBSD.org>
Date: Fri, 19 Dec 2008 00:56:47 +0000 (UTC)
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Subject: svn commit: r186307 - projects/cambria/sys/boot/arm/ixp425/boot2
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Author: sam
Date: Fri Dec 19 00:56:47 2008
New Revision: 186307
URL: http://svn.freebsd.org/changeset/base/186307

Log:
  add delays around 16-bit enable/disable a la the driver; w/o this
  operation on my ixp435 Cambria board is unreliable

Modified:
  projects/cambria/sys/boot/arm/ixp425/boot2/ixp425_board.c

Modified: projects/cambria/sys/boot/arm/ixp425/boot2/ixp425_board.c
==============================================================================
--- projects/cambria/sys/boot/arm/ixp425/boot2/ixp425_board.c	Fri Dec 19 00:20:48 2008	(r186306)
+++ projects/cambria/sys/boot/arm/ixp425/boot2/ixp425_board.c	Fri Dec 19 00:56:47 2008	(r186307)
@@ -330,6 +330,7 @@ cfenable16(void)
 
 	val = *dskinf.cs1to;
 	*dskinf.cs1to = val &~ EXP_BYTE_EN;
+	DELAY(100);
 #if 0
 	DPRINTF("%s: cs1 timing reg %x\n", *dskinf.cs1to, __func__);
 #endif
@@ -340,6 +341,7 @@ cfdisable16(void)
 {
 	u_int32_t val;
 
+	DELAY(100);
 	val = *dskinf.cs1to;
 	*dskinf.cs1to = val | EXP_BYTE_EN;
 #if 0