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Blackfin: add workaround for anomaly 05000171
authorMike Frysinger <vapier@gentoo.org>
Sat, 4 Apr 2009 12:09:24 +0000 (08:09 -0400)
committerMike Frysinger <vapier@gentoo.org>
Mon, 6 Apr 2009 21:37:47 +0000 (17:37 -0400)
commitce1fe4ba6bb9df7c57351436fa17d1af8bbe7916
tree9b4d23d630c9aabd66271ad3e8f9859fd5f457ebtree | snapshot
parent51ee6e057f7a920e2a125cd9f985d10f625e355fcommit | diff
Blackfin: add workaround for anomaly 05000171

DESCRIPTION:
The Boot ROM is executed at power up/reset and changes the value of the
SICA_IWR registers from their default reset value of 0xFFFF, but does not
restore them.

WORKAROUND:
User code should not rely on the default value of these registers.  Set
the desired values explicitly.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
cpu/blackfin/initcode.c diff | blob | history
My U-Boot fork