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 | |