Title: [6710] trunk/arch/blackfin/kernel/setup.c: Fix bug[#5223] Write 0 to STSTEM_RESET field in SWRST when double fault
- Revision
- 6710
- Author
- sonicz
- Date
- 2009-06-15 02:35:13 -0500 (Mon, 15 Jun 2009)
Log Message
Fix bug[#5223] Write 0 to STSTEM_RESET field in SWRST when double fault
failure is configured.
Rollback last commit.
Modified Paths
Diff
Modified: trunk/arch/blackfin/kernel/setup.c (6709 => 6710)
--- trunk/arch/blackfin/kernel/setup.c 2009-06-15 06:50:12 UTC (rev 6709)
+++ trunk/arch/blackfin/kernel/setup.c 2009-06-15 07:35:13 UTC (rev 6710)
@@ -832,21 +832,21 @@
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);
+ bfin_write_SWRST(_bfin_swrst & 0xfff0 & ~DOUBLE_FAULT);
#endif
#ifdef CONFIG_DEBUG_DOUBLEFAULT_RESET
- bfin_write_SWRST(_bfin_swrst | DOUBLE_FAULT);
+ bfin_write_SWRST(_bfin_swrst & 0xfff0 | DOUBLE_FAULT);
#endif
- /* Newer parts mirror SWRST bits in SYSCR */
-#if !(defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \
- defined(CONFIG_BF538) || defined(CONFIG_BF539))
- _bfin_swrst = bfin_read_SYSCR();
-#endif
-
#ifdef CONFIG_SMP
if (_bfin_swrst & SWRST_DBL_FAULT_A) {
#else
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