1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2015-2016 Freescale Semiconductor, Inc.
4  * Copyright 2017 NXP
5  */
6 
7 #ifndef __PFE_DRIVER_H__
8 #define __PFE_DRIVER_H__
9 
10 #include <net/pfe_eth/pfe/pfe_hw.h>
11 #include <dm/platform_data/pfe_dm_eth.h>
12 
13 #define HIF_RX_DESC_NT		64
14 #define	HIF_TX_DESC_NT		64
15 
16 #define RX_BD_BASEADDR		(HIF_DESC_BASEADDR)
17 #define TX_BD_BASEADDR		(HIF_DESC_BASEADDR + HIF_TX_DESC_SIZE)
18 
19 #define MIN_PKT_SIZE		56
20 #define MAX_FRAME_SIZE		2048
21 
22 struct __packed hif_header_s {
23 	u8	port_no; /* Carries input port no for host rx packets and
24 			  * output port no for tx pkts
25 			  */
26 	u8 reserved0;
27 	u32 reserved2;
28 };
29 
30 struct __packed buf_desc {
31 	u32 ctrl;
32 	u32 status;
33 	u32 data;
34 	u32 next;
35 };
36 
37 struct rx_desc_s {
38 	struct buf_desc *rx_base;
39 	unsigned int rx_base_pa;
40 	int rx_to_read;
41 	int rx_ring_size;
42 };
43 
44 struct tx_desc_s {
45 	struct buf_desc *tx_base;
46 	unsigned int tx_base_pa;
47 	int tx_to_send;
48 	int tx_ring_size;
49 };
50 
51 int pfe_send(int phy_port, void *data, int length);
52 int pfe_recv(uchar **pkt_ptr, int *phy_port);
53 int pfe_tx_done(void);
54 int pfe_eth_free_pkt(struct udevice *dev, uchar *packet, int length);
55 int pfe_drv_init(struct pfe_ddr_address  *pfe_addr);
56 int pfe_eth_remove(struct udevice *dev);
57 
58 #endif
59