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