diff options
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h')
| -rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h | 39 |
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_ */ |