mv643xx_eth.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * MV-643XX ethernet platform device data definition file.
 4 */
 5
 6#ifndef __LINUX_MV643XX_ETH_H
 7#define __LINUX_MV643XX_ETH_H
 8
 9#include <linux/mbus.h>
10#include <linux/if_ether.h>
11#include <linux/phy.h>
12
13#define MV643XX_ETH_SHARED_NAME		"mv643xx_eth"
14#define MV643XX_ETH_NAME		"mv643xx_eth_port"
15#define MV643XX_ETH_SHARED_REGS		0x2000
16#define MV643XX_ETH_SHARED_REGS_SIZE	0x2000
17#define MV643XX_ETH_BAR_4		0x2220
18#define MV643XX_ETH_SIZE_REG_4		0x2224
19#define MV643XX_ETH_BASE_ADDR_ENABLE_REG	0x2290
20
21#define MV643XX_TX_CSUM_DEFAULT_LIMIT	0
22
23struct mv643xx_eth_shared_platform_data {
24	struct mbus_dram_target_info	*dram;
25	/*
26	 * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default
27	 * limit of 9KiB will be used.
28	 */
29	int			tx_csum_limit;
30};
31
32#define MV643XX_ETH_PHY_ADDR_DEFAULT	0
33#define MV643XX_ETH_PHY_ADDR(x)		(0x80 | (x))
34#define MV643XX_ETH_PHY_NONE		0xff
35
36struct device_node;
37struct mv643xx_eth_platform_data {
38	/*
39	 * Pointer back to our parent instance, and our port number.
40	 */
41	struct platform_device	*shared;
42	int			port_number;
43
44	/*
45	 * Whether a PHY is present, and if yes, at which address.
46	 */
47	int			phy_addr;
48	struct device_node	*phy_node;
49
50	/*
51	 * Use this MAC address if it is valid, overriding the
52	 * address that is already in the hardware.
53	 */
54	u8			mac_addr[ETH_ALEN];
55
56	/*
57	 * If speed is 0, autonegotiation is enabled.
58	 *   Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000.
59	 *   Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL.
60	 */
61	int			speed;
62	int			duplex;
63	phy_interface_t		interface;
64
65	/*
66	 * How many RX/TX queues to use.
67	 */
68	int			rx_queue_count;
69	int			tx_queue_count;
70
71	/*
72	 * Override default RX/TX queue sizes if nonzero.
73	 */
74	int			rx_queue_size;
75	int			tx_queue_size;
76
77	/*
78	 * Use on-chip SRAM for RX/TX descriptors if size is nonzero
79	 * and sufficient to contain all descriptors for the requested
80	 * ring sizes.
81	 */
82	unsigned long		rx_sram_addr;
83	int			rx_sram_size;
84	unsigned long		tx_sram_addr;
85	int			tx_sram_size;
86};
87
88
89#endif