xref: /openbmc/u-boot/drivers/net/bcm-sf2-eth.h (revision 1c140fd2)
1 /*
2  * Copyright 2014 Broadcom Corporation.
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 #define CONFIG_BCM_SF2_ETH_DEFAULT_PORT	0
24 
25 enum {
26 	MAC_DMA_TX = 1,
27 	MAC_DMA_RX = 2
28 };
29 
30 struct eth_dma {
31 	void *tx_desc_aligned;
32 	void *rx_desc_aligned;
33 	void *tx_desc;
34 	void *rx_desc;
35 
36 	uint8_t *tx_buf;
37 	uint8_t *rx_buf;
38 
39 	int cur_tx_index;
40 	int cur_rx_index;
41 
42 	int (*tx_packet)(struct eth_dma *dma, void *packet, int length);
43 	bool (*check_tx_done)(struct eth_dma *dma);
44 
45 	int (*check_rx_done)(struct eth_dma *dma, uint8_t *buf);
46 
47 	int (*enable_dma)(struct eth_dma *dma, int dir);
48 	int (*disable_dma)(struct eth_dma *dma, int dir);
49 };
50 
51 struct eth_info {
52 	struct eth_dma dma;
53 	phy_interface_t phy_interface;
54 	struct phy_device *port[BCM_ETH_MAX_PORT_NUM];
55 	int port_num;
56 
57 	int (*miiphy_read)(struct mii_dev *bus, int phyaddr, int devad,
58 			   int reg);
59 	int (*miiphy_write)(struct mii_dev *bus, int phyaddr, int devad,
60 			    int reg, u16 value);
61 
62 	int (*mac_init)(struct eth_device *dev);
63 	int (*enable_mac)(void);
64 	int (*disable_mac)(void);
65 	int (*set_mac_addr)(unsigned char *mac);
66 	int (*set_mac_speed)(int speed, int duplex);
67 
68 };
69 
70 #endif /* _BCM_SF2_ETH_H_ */
71