mv643xx_eth.h

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/*
 * MV-643XX ethernet platform device data definition file.
 */

#ifndef __LINUX_MV643XX_ETH_H
#define __LINUX_MV643XX_ETH_H

#include <linux/mbus.h>

#define MV643XX_ETH_SHARED_NAME     "mv643xx_eth"
#define MV643XX_ETH_NAME        "mv643xx_eth_port"
#define MV643XX_ETH_SHARED_REGS     0x2000
#define MV643XX_ETH_SHARED_REGS_SIZE    0x2000
#define MV643XX_ETH_BAR_4       0x2220
#define MV643XX_ETH_SIZE_REG_4      0x2224
#define MV643XX_ETH_BASE_ADDR_ENABLE_REG    0x2290

#define MV643XX_TX_CSUM_DEFAULT_LIMIT   0

struct mv643xx_eth_shared_platform_data {
    struct mbus_dram_target_info    *dram;
    struct platform_device  *shared_smi;
    /*
     * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default
     * limit of 9KiB will be used.
     */
    int         tx_csum_limit;
};

#define MV643XX_ETH_PHY_ADDR_DEFAULT    0
#define MV643XX_ETH_PHY_ADDR(x)     (0x80 | (x))
#define MV643XX_ETH_PHY_NONE        0xff

struct mv643xx_eth_platform_data {
    /*
     * Pointer back to our parent instance, and our port number.
     */
    struct platform_device  *shared;
    int         port_number;

    /*
     * Whether a PHY is present, and if yes, at which address.
     */
    int         phy_addr;

    /*
     * Use this MAC address if it is valid, overriding the
     * address that is already in the hardware.
     */
    u8          mac_addr[6];

    /*
     * If speed is 0, autonegotiation is enabled.
     *   Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000.
     *   Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL.
     */
    int         speed;
    int         duplex;

    /*
     * How many RX/TX queues to use.
     */
    int         rx_queue_count;
    int         tx_queue_count;

    /*
     * Override default RX/TX queue sizes if nonzero.
     */
    int         rx_queue_size;
    int         tx_queue_size;

    /*
     * Use on-chip SRAM for RX/TX descriptors if size is nonzero
     * and sufficient to contain all descriptors for the requested
     * ring sizes.
     */
    unsigned long       rx_sram_addr;
    int         rx_sram_size;
    unsigned long       tx_sram_addr;
    int         tx_sram_size;
};


#endif