[PATCH] Spidernet fix register field definitions
Linas Vepstas [Tue, 10 Oct 2006 21:02:54 +0000 (16:02 -0500)]
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>

drivers/net/spider_net.c
drivers/net/spider_net.h

index 0aed693..2f54cdd 100644 (file)
@@ -1614,7 +1614,7 @@ spider_net_enable_card(struct spider_net_card *card)
                             SPIDER_NET_INT2_MASK_VALUE);
 
        spider_net_write_reg(card, SPIDER_NET_GDTDMACCNTR,
-                            SPIDER_NET_GDTDCEIDIS);
+                            SPIDER_NET_GDTBSTA | SPIDER_NET_GDTDCEIDIS);
 }
 
 /**
index b2e3570..80f4d27 100644 (file)
@@ -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 */