[U-Boot] [PATCH v6 13/17] net: tsec: Remove tx snooping support from LS1
Alison Wang
b18965 at freescale.com
Fri Sep 5 07:52:46 CEST 2014
From: Claudiu Manoil <claudiu.manoil at 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 at 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
--
2.1.0.27.g96db324
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