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