From: Claudiu Manoil claudiu.manoil@freescale.com
Remove the DMCTRL Tx snooping bits (TDSEN and TBDSEN) as a workaround for LS1. It has been observed that currently the Tx stops functioning after a fair amount of Tx traffic with these settings on. These bits are sticky and once set they cannot be reset from Linux, for instance.
Signed-off-by: Claudiu Manoil claudiu.manoil@freescale.com --- Change log: v6: Fix checkpatch error. v5: No change. v4: No change. v3: New file.
include/tsec.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/include/tsec.h b/include/tsec.h index 1119d2c..58cdc19 100644 --- a/include/tsec.h +++ b/include/tsec.h @@ -129,7 +129,11 @@
#define MINFLR_INIT_SETTINGS 0x00000040
+#ifdef CONFIG_LS102XA +#define DMACTRL_INIT_SETTINGS 0x00000003 +#else #define DMACTRL_INIT_SETTINGS 0x000000c3 +#endif #define DMACTRL_GRS 0x00000010 #define DMACTRL_GTS 0x00000008 #define DMACTRL_LE 0x00008000