| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * MV-643XX ethernet platform device data definition file. |
| 3 | */ |
| 4 | |
| 5 | #ifndef __LINUX_MV643XX_ETH_H |
| 6 | #define __LINUX_MV643XX_ETH_H |
| 7 | |
| 8 | #include <linux/mbus.h> |
| 9 | #include <linux/if_ether.h> |
| 10 | |
| 11 | #define MV643XX_ETH_SHARED_NAME "mv643xx_eth" |
| 12 | #define MV643XX_ETH_NAME "mv643xx_eth_port" |
| 13 | #define MV643XX_ETH_SHARED_REGS 0x2000 |
| 14 | #define MV643XX_ETH_SHARED_REGS_SIZE 0x2000 |
| 15 | #define MV643XX_ETH_BAR_4 0x2220 |
| 16 | #define MV643XX_ETH_SIZE_REG_4 0x2224 |
| 17 | #define MV643XX_ETH_BASE_ADDR_ENABLE_REG 0x2290 |
| 18 | |
| 19 | #define MV643XX_TX_CSUM_DEFAULT_LIMIT 0 |
| 20 | |
| 21 | struct mv643xx_eth_shared_platform_data { |
| 22 | struct mbus_dram_target_info *dram; |
| 23 | /* |
| 24 | * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default |
| 25 | * limit of 9KiB will be used. |
| 26 | */ |
| 27 | int tx_csum_limit; |
| 28 | }; |
| 29 | |
| 30 | #define MV643XX_ETH_PHY_ADDR_DEFAULT 0 |
| 31 | #define MV643XX_ETH_PHY_ADDR(x) (0x80 | (x)) |
| 32 | #define MV643XX_ETH_PHY_NONE 0xff |
| 33 | |
| 34 | struct device_node; |
| 35 | struct mv643xx_eth_platform_data { |
| 36 | /* |
| 37 | * Pointer back to our parent instance, and our port number. |
| 38 | */ |
| 39 | struct platform_device *shared; |
| 40 | int port_number; |
| 41 | |
| 42 | /* |
| 43 | * Whether a PHY is present, and if yes, at which address. |
| 44 | */ |
| 45 | int phy_addr; |
| 46 | struct device_node *phy_node; |
| 47 | |
| 48 | /* |
| 49 | * Use this MAC address if it is valid, overriding the |
| 50 | * address that is already in the hardware. |
| 51 | */ |
| 52 | u8 mac_addr[ETH_ALEN]; |
| 53 | |
| 54 | /* |
| 55 | * If speed is 0, autonegotiation is enabled. |
| 56 | * Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000. |
| 57 | * Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL. |
| 58 | */ |
| 59 | int speed; |
| 60 | int duplex; |
| 61 | |
| 62 | /* |
| 63 | * How many RX/TX queues to use. |
| 64 | */ |
| 65 | int rx_queue_count; |
| 66 | int tx_queue_count; |
| 67 | |
| 68 | /* |
| 69 | * Override default RX/TX queue sizes if nonzero. |
| 70 | */ |
| 71 | int rx_queue_size; |
| 72 | int tx_queue_size; |
| 73 | |
| 74 | /* |
| 75 | * Use on-chip SRAM for RX/TX descriptors if size is nonzero |
| 76 | * and sufficient to contain all descriptors for the requested |
| 77 | * ring sizes. |
| 78 | */ |
| 79 | unsigned long rx_sram_addr; |
| 80 | int rx_sram_size; |
| 81 | unsigned long tx_sram_addr; |
| 82 | int tx_sram_size; |
| 83 | }; |
| 84 | |
| 85 | |
| 86 | #endif |