include/linux/mv643xx_eth.h

   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