MIPS: BCM63XX: Move DMA descriptor definition into common header file

The "IUDMA" engine used by bcm63xx_enet is also used by other blocks,
such as the USB 2.0 device.  Move the definitions into a common file so
that they do not need to be duplicated in each driver.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4082/
Signed-off-by: John Crispin <blogic@openwrt.org>

2 files changed, 35 insertions, 29 deletions

diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
new file mode 100644
index 000000000000..358cf28ce2af
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
@@ -0,0 +1,34 @@
+#ifndef BCM63XX_IUDMA_H_
+#define BCM63XX_IUDMA_H_
+
+#include <linux/types.h>
+
+/*
+ * rx/tx dma descriptor
+ */
+struct bcm_enet_desc {
+        u32 len_stat;
+        u32 address;
+};
+
+#define DMADESC_LENGTH_SHIFT    16
+#define DMADESC_LENGTH_MASK     (0xfff << DMADESC_LENGTH_SHIFT)
+#define DMADESC_OWNER_MASK      (1 << 15)
+#define DMADESC_EOP_MASK        (1 << 14)
+#define DMADESC_SOP_MASK        (1 << 13)
+#define DMADESC_ESOP_MASK       (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
+#define DMADESC_WRAP_MASK       (1 << 12)
+
+#define DMADESC_UNDER_MASK      (1 << 9)
+#define DMADESC_APPEND_CRC      (1 << 8)
+#define DMADESC_OVSIZE_MASK     (1 << 4)
+#define DMADESC_RXER_MASK       (1 << 2)
+#define DMADESC_CRC_MASK        (1 << 1)
+#define DMADESC_OV_MASK         (1 << 0)
+#define DMADESC_ERR_MASK        (DMADESC_UNDER_MASK | \
+                                DMADESC_OVSIZE_MASK | \
+                                DMADESC_RXER_MASK | \
+                                DMADESC_CRC_MASK | \
+                                DMADESC_OV_MASK)
+
+#endif /* ! BCM63XX_IUDMA_H_ */
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.h b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
index 0e3048b788c2..133d5857b9e2 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h
@@ -10,6 +10,7 @@
 #include <bcm63xx_regs.h>
 #include <bcm63xx_irq.h>
 #include <bcm63xx_io.h>
+#include <bcm63xx_iudma.h>
 
 /* default number of descriptor */
 #define BCMENET_DEF_RX_DESC     64
@@ -31,35 +32,6 @@
 #define BCMENET_MAX_MTU         2046
 
 /*
- * rx/tx dma descriptor
- */
-struct bcm_enet_desc {
-        u32 len_stat;
-        u32 address;
-};
-
-#define DMADESC_LENGTH_SHIFT    16
-#define DMADESC_LENGTH_MASK     (0xfff << DMADESC_LENGTH_SHIFT)
-#define DMADESC_OWNER_MASK      (1 << 15)
-#define DMADESC_EOP_MASK        (1 << 14)
-#define DMADESC_SOP_MASK        (1 << 13)
-#define DMADESC_ESOP_MASK       (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
-#define DMADESC_WRAP_MASK       (1 << 12)
-
-#define DMADESC_UNDER_MASK      (1 << 9)
-#define DMADESC_APPEND_CRC      (1 << 8)
-#define DMADESC_OVSIZE_MASK     (1 << 4)
-#define DMADESC_RXER_MASK       (1 << 2)
-#define DMADESC_CRC_MASK        (1 << 1)
-#define DMADESC_OV_MASK         (1 << 0)
-#define DMADESC_ERR_MASK        (DMADESC_UNDER_MASK | \
-                                DMADESC_OVSIZE_MASK | \
-                                DMADESC_RXER_MASK | \
-                                DMADESC_CRC_MASK | \
-                                DMADESC_OV_MASK)
-
-
-/*
  * MIB Counters register definitions
 */
 #define ETH_MIB_TX_GD_OCTETS                    0