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authorLinas Vepstas <linas@austin.ibm.com>2006-10-10 16:02:54 -0500
committerJeff Garzik <jeff@garzik.org>2006-10-11 04:04:25 -0400
commitded8028a0b61075d841c33a412da5c869140d7aa (patch)
treead6baf770db94d5b24da02a5fcd92b1e3e97cb76 /drivers/net/spider_net.h
parent917a5b8e648f420105158023ae0317eb0e77a2d5 (diff)
downloadop-kernel-dev-ded8028a0b61075d841c33a412da5c869140d7aa.zip
op-kernel-dev-ded8028a0b61075d841c33a412da5c869140d7aa.tar.gz
[PATCH] Spidernet fix register field definitions
This patch fixes the names of a few fields in the DMA control register. There is no functional change. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: James K Lewis <jklewis@us.ibm.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/spider_net.h')
-rw-r--r--drivers/net/spider_net.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index b2e3570..80f4d27 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -191,7 +191,9 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_MACMODE_VALUE 0x00000001
#define SPIDER_NET_BURSTLMT_VALUE 0x00000200 /* about 16 us */
-/* 1(0) enable r/tx dma
+/* DMAC control register GDMACCNTR
+ *
+ * 1(0) enable r/tx dma
* 0000000 fixed to 0
*
* 000000 fixed to 0
@@ -200,6 +202,7 @@ extern char spider_net_driver_name[];
*
* 000000 fixed to 0
* 00 burst alignment: 128 bytes
+ * 11 burst alignment: 1024 bytes
*
* 00000 fixed to 0
* 0 descr writeback size 32 bytes
@@ -210,10 +213,13 @@ extern char spider_net_driver_name[];
#define SPIDER_NET_DMA_RX_VALUE 0x80000000
#define SPIDER_NET_DMA_RX_FEND_VALUE 0x00030003
/* to set TX_DMA_EN */
-#define SPIDER_NET_TX_DMA_EN 0x80000000
-#define SPIDER_NET_GDTDCEIDIS 0x00000302
-#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \
- SPIDER_NET_GDTDCEIDIS
+#define SPIDER_NET_TX_DMA_EN 0x80000000
+#define SPIDER_NET_GDTBSTA 0x00000300
+#define SPIDER_NET_GDTDCEIDIS 0x00000002
+#define SPIDER_NET_DMA_TX_VALUE SPIDER_NET_TX_DMA_EN | \
+ SPIDER_NET_GDTBSTA | \
+ SPIDER_NET_GDTDCEIDIS
+
#define SPIDER_NET_DMA_TX_FEND_VALUE 0x00030003
/* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
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