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| author |   Robin Getz <robin.getz@analog.com> | 2009-08-26 15:54:10 +0000 |
|---|---|---|
| committer |   Mike Frysinger <vapier@gentoo.org> | 2009-09-16 22:10:34 -0400 |
| commit | dedfd5d7f21b08d50ba8c0220778e119952e2f77 (patch) | |
| tree | 2d6bf1d13dfe16679c126beed7f35a2f840d22bd /arch/blackfin/mach-common/entry.S | |
| parent | Blackfin: fix spelling in a few comments (diff) | |
| download | linux-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/entry.S | 18 |
1 files changed, 2 insertions, 16 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index a9b15aaf5254..01af24cde362 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -513,14 +513,7 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/ ssync; #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) #ifdef CONFIG_DEBUG_DOUBLEFAULT /* @@ -1134,14 +1127,7 @@ ENTRY(_early_trap) SAVE_ALL_SYS trace_buffer_stop(p0,r0); -#if ANOMALY_05000283 || ANOMALY_05000315 - cc = r5 == r5; - p4.h = HI(CHIPID); - p4.l = LO(CHIPID); - if cc jump 1f; - r5.l = W[p4]; -1: -#endif + ANOMALY_283_315_WORKAROUND(p4, r5) /* Turn caches off, to ensure we don't get double exceptions */ |