LXR linux/include/linux/mv643xx

   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
  22struct 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
  35struct device_node;
  36struct 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
  88