xref: /openbmc/u-boot/drivers/net/bcm-sf2-eth.h (revision a22bbfda)
1 /*
2  * Copyright 2014-2017 Broadcom.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #ifndef _BCM_SF2_ETH_H_
8 #define _BCM_SF2_ETH_H_
9 
10 #include <phy.h>
11 
12 #define RX_BUF_SIZE	2048
13 /* RX_BUF_NUM must be power of 2 */
14 #define RX_BUF_NUM	32
15 
16 #define TX_BUF_SIZE	2048
17 /* TX_BUF_NUM must be power of 2 */
18 #define TX_BUF_NUM	2
19 
20 /* Support 2 Ethernet ports now */
21 #define BCM_ETH_MAX_PORT_NUM	2
22 
23 enum {
24 	MAC_DMA_TX = 1,
25 	MAC_DMA_RX = 2
26 };
27 
28 struct eth_dma {
29 	void *tx_desc_aligned;
30 	void *rx_desc_aligned;
31 
32 	uint8_t *tx_buf;
33 	uint8_t *rx_buf;
34 
35 	int cur_tx_index;
36 	int cur_rx_index;
37 
38 	int (*tx_packet)(struct eth_dma *dma, void *packet, int length);
39 	bool (*check_tx_done)(struct eth_dma *dma);
40 
41 	int (*check_rx_done)(struct eth_dma *dma, uint8_t *buf);
42 
43 	int (*enable_dma)(struct eth_dma *dma, int dir);
44 	int (*disable_dma)(struct eth_dma *dma, int dir);
45 };
46 
47 struct eth_info {
48 	struct eth_dma dma;
49 	phy_interface_t phy_interface;
50 	struct phy_device *port[BCM_ETH_MAX_PORT_NUM];
51 	int port_num;
52 
53 	int (*miiphy_read)(struct mii_dev *bus, int phyaddr, int devad,
54 			   int reg);
55 	int (*miiphy_write)(struct mii_dev *bus, int phyaddr, int devad,
56 			    int reg, u16 value);
57 
58 	int (*mac_init)(struct eth_device *dev);
59 	int (*enable_mac)(void);
60 	int (*disable_mac)(void);
61 	int (*set_mac_addr)(unsigned char *mac);
62 	int (*set_mac_speed)(int speed, int duplex);
63 
64 };
65 
66 #endif /* _BCM_SF2_ETH_H_ */
67