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