summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h')
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h39
1 files changed, 39 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 000000000..73df916e4
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#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;
+};
+
+/* control */
+#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_USB_NOZERO_MASK (1 << 1)
+#define DMADESC_USB_ZERO_MASK (1 << 0)
+
+/* status */
+#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_ */