include/linux/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
  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