From: Mike Frysinger <vapier.adi@gmail.com>
Date: Wed, 4 Feb 2009 08:49:45 +0000 (+0800)
Subject: Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRST in it
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=ed1fb6048c3eef68df5fe19e9022fdad6e53357d;p=linux-2.6-omap-h63xx.git

Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRST in it

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index a23fec573c0..86feb427421 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -826,7 +826,13 @@ void __init setup_arch(char **cmdline_p)
 
 	printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);
 
+	/* Newer parts mirror SWRST bits in SYSCR */
+#if defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \
+    defined(CONFIG_BF538) || defined(CONFIG_BF539)
 	_bfin_swrst = bfin_read_SWRST();
+#else
+	_bfin_swrst = bfin_read_SYSCR();
+#endif
 
 #ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT
 	bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);