adulau/aha
1
0
Fork 0
mirror of https://github.com/adulau/aha.git synced 2025-01-03 22:53:18 +00:00
Code Issues Projects Releases Packages Wiki Activity

Blackfin: add workaround for anomaly 05000287

Browse source 
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Graf Yang 2009-05-08 07:42:12 +00:00 committed by Mike Frysinger
parent 1fa9be72b5
commit 8af7ffa0d5
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
arch/blackfin/kernel/cplb-nompu/cacheinit.c
View file

@ -55,7 +55,14 @@ void __cpuinit bfin_dcache_init(struct cplb_entry *dcplb_tbl)
} }
ctrl = bfin_read_DMEM_CONTROL(); ctrl = bfin_read_DMEM_CONTROL();
ctrl |= DMEM_CNTR;
/*
* Anomaly notes:
* 05000287 - We implement workaround #2 - Change the DMEM_CONTROL
* register, so that the port preferences for DAG0 and DAG1 are set
* to port B
*/
ctrl |= DMEM_CNTR | PORT_PREF0 | (ANOMALY_05000287 ? PORT_PREF1 : 0);
bfin_write_DMEM_CONTROL(ctrl); bfin_write_DMEM_CONTROL(ctrl);
SSYNC(); SSYNC();
} }