f-stack/dpdk/drivers/net/pfe/base/cbus/hif.h

87 lines
2.6 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2018-2019 NXP
*/
#ifndef _HIF_H_
#define _HIF_H_
/* @file hif.h.
* hif - PFE hif block control and status register.
* Mapped on CBUS and accessible from all PE's and ARM.
*/
#define HIF_VERSION (HIF_BASE_ADDR + 0x00)
#define HIF_TX_CTRL (HIF_BASE_ADDR + 0x04)
#define HIF_TX_CURR_BD_ADDR (HIF_BASE_ADDR + 0x08)
#define HIF_TX_ALLOC (HIF_BASE_ADDR + 0x0c)
#define HIF_TX_BDP_ADDR (HIF_BASE_ADDR + 0x10)
#define HIF_TX_STATUS (HIF_BASE_ADDR + 0x14)
#define HIF_RX_CTRL (HIF_BASE_ADDR + 0x20)
#define HIF_RX_BDP_ADDR (HIF_BASE_ADDR + 0x24)
#define HIF_RX_STATUS (HIF_BASE_ADDR + 0x30)
#define HIF_INT_SRC (HIF_BASE_ADDR + 0x34)
#define HIF_INT_ENABLE (HIF_BASE_ADDR + 0x38)
#define HIF_POLL_CTRL (HIF_BASE_ADDR + 0x3c)
#define HIF_RX_CURR_BD_ADDR (HIF_BASE_ADDR + 0x40)
#define HIF_RX_ALLOC (HIF_BASE_ADDR + 0x44)
#define HIF_TX_DMA_STATUS (HIF_BASE_ADDR + 0x48)
#define HIF_RX_DMA_STATUS (HIF_BASE_ADDR + 0x4c)
#define HIF_INT_COAL (HIF_BASE_ADDR + 0x50)
/* HIF_INT_SRC/ HIF_INT_ENABLE control bits */
#define HIF_INT BIT(0)
#define HIF_RXBD_INT BIT(1)
#define HIF_RXPKT_INT BIT(2)
#define HIF_TXBD_INT BIT(3)
#define HIF_TXPKT_INT BIT(4)
/* HIF_TX_CTRL bits */
#define HIF_CTRL_DMA_EN BIT(0)
#define HIF_CTRL_BDP_POLL_CTRL_EN BIT(1)
#define HIF_CTRL_BDP_CH_START_WSTB BIT(2)
/* HIF_RX_STATUS bits */
#define BDP_CSR_RX_DMA_ACTV BIT(16)
/* HIF_INT_ENABLE bits */
#define HIF_INT_EN BIT(0)
#define HIF_RXBD_INT_EN BIT(1)
#define HIF_RXPKT_INT_EN BIT(2)
#define HIF_TXBD_INT_EN BIT(3)
#define HIF_TXPKT_INT_EN BIT(4)
/* HIF_POLL_CTRL bits*/
#define HIF_RX_POLL_CTRL_CYCLE 0x0400
#define HIF_TX_POLL_CTRL_CYCLE 0x0400
/* HIF_INT_COAL bits*/
#define HIF_INT_COAL_ENABLE BIT(31)
/* Buffer descriptor control bits */
#define BD_CTRL_BUFLEN_MASK 0x3fff
#define BD_BUF_LEN(x) ((x) & BD_CTRL_BUFLEN_MASK)
#define BD_CTRL_CBD_INT_EN BIT(16)
#define BD_CTRL_PKT_INT_EN BIT(17)
#define BD_CTRL_LIFM BIT(18)
#define BD_CTRL_LAST_BD BIT(19)
#define BD_CTRL_DIR BIT(20)
#define BD_CTRL_LMEM_CPY BIT(21) /* Valid only for HIF_NOCPY */
#define BD_CTRL_PKT_XFER BIT(24)
#define BD_CTRL_DESC_EN BIT(31)
#define BD_CTRL_PARSE_DISABLE BIT(25)
#define BD_CTRL_BRFETCH_DISABLE BIT(26)
#define BD_CTRL_RTFETCH_DISABLE BIT(27)
/* Buffer descriptor status bits*/
#define BD_STATUS_CONN_ID(x) ((x) & 0xffff)
#define BD_STATUS_DIR_PROC_ID BIT(16)
#define BD_STATUS_CONN_ID_EN BIT(17)
#define BD_STATUS_PE2PROC_ID(x) (((x) & 7) << 18)
#define BD_STATUS_LE_DATA BIT(21)
#define BD_STATUS_CHKSUM_EN BIT(22)
/* HIF Buffer descriptor status bits */
#define DIR_PROC_ID BIT(16)
#define PROC_ID(id) ((id) << 18)
#endif /* _HIF_H_ */