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
23 struct 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
36 struct device_node;
37 struct 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
90
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