summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-bcm63xx
diff options
context:
space:
mode:
authorKevin Cernekee <cernekee@gmail.com>2012-07-09 01:41:18 +0000
committerJohn Crispin <blogic@openwrt.org>2012-08-30 20:15:52 +0200
commit932e30b6ea8d2ce5a5d60b799f5c088547f105b3 (patch)
treee6ea2766fc8be290836979740a4f94cbb4d6404d /arch/mips/include/asm/mach-bcm63xx
parentdd89d60c032ab05720f745bf8c39d09512a77043 (diff)
downloadtalos-op-linux-932e30b6ea8d2ce5a5d60b799f5c088547f105b3.tar.gz
talos-op-linux-932e30b6ea8d2ce5a5d60b799f5c088547f105b3.zip
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>
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx')
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h34
1 files changed, 34 insertions, 0 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_ */
OpenPOWER on IntegriCloud