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[U-Boot,v4,13/18] net: tsec: Remove tx snooping support from LS1

Message ID 1407998707-9632-14-git-send-email-b18965@freescale.com
State Superseded
Headers show

Commit Message

Alison Wang Aug. 14, 2014, 6:45 a.m. UTC 
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:
 v4: No change.
 v3: New file.

 include/tsec.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/include/tsec.h b/include/tsec.h
index 5b74f67..1f0c233 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