aboutsummaryrefslogtreecommitdiffstats
path: root/arch/blackfin/mach-common/interrupt.S
diff options
context:
space:
mode:
authorRobin Getz <robin.getz@analog.com>2009-08-26 15:54:10 +0000
committerMike Frysinger <vapier@gentoo.org>2009-09-16 22:10:34 -0400
commitdedfd5d7f21b08d50ba8c0220778e119952e2f77 (patch)
tree2d6bf1d13dfe16679c126beed7f35a2f840d22bd /arch/blackfin/mach-common/interrupt.S
parentBlackfin: fix spelling in a few comments (diff)
downloadlinux-dev-dedfd5d7f21b08d50ba8c0220778e119952e2f77.tar.xz
linux-dev-dedfd5d7f21b08d50ba8c0220778e119952e2f77.zip
Blackfin: workaround anomaly 05000283
Make sure our interrupt entry code with exact hardware errors handles anomaly 05000283 (infinite stall in system MMR kill) so we don't stall while under load. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to '')
-rw-r--r--arch/blackfin/mach-common/interrupt.S19
1 files changed, 3 insertions, 16 deletions
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index c754ff74bd5d..82d417ef4b5b 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -119,14 +119,8 @@ __common_int_entry:
fp = 0;
#endif
-#if ANOMALY_05000283 || ANOMALY_05000315
- cc = r7 == r7;
- p5.h = HI(CHIPID);
- p5.l = LO(CHIPID);
- if cc jump 1f;
- r7.l = W[p5];
-1:
-#endif
+ ANOMALY_283_315_WORKAROUND(p5, r7)
+
r1 = sp;
SP += -12;
#ifdef CONFIG_IPIPE
@@ -158,14 +152,7 @@ ENTRY(_evt_ivhw)
fp = 0;
#endif
-#if ANOMALY_05000283 || ANOMALY_05000315
- cc = r7 == r7;
- p5.h = HI(CHIPID);
- p5.l = LO(CHIPID);
- if cc jump 1f;
- r7.l = W[p5];
-1:
-#endif
+ ANOMALY_283_315_WORKAROUND(p5, r7)
/* Handle all stacked hardware errors
* To make sure we don't hang forever, only do it 10 times