/* SPDX-License-Identifier: GPL-2.0 */
/*
* MV - 643 XX ethernet platform device data definition file .
*/
#ifndef __LINUX_MV643XX_ETH_H
#define __LINUX_MV643XX_ETH_H
#include <linux/mbus.h>
#include <linux/if_ether.h>
#include <linux/phy.h>
#define MV643XX_ETH_SHARED_NAME "mv643xx_eth"
#define MV643XX_ETH_NAME "mv643xx_eth_port"
#define MV643XX_ETH_SHARED_REGS 0 x2000
#define MV643XX_ETH_SHARED_REGS_SIZE 0 x2000
#define MV643XX_ETH_BAR_4 0 x2220
#define MV643XX_ETH_SIZE_REG_4 0 x2224
#define MV643XX_ETH_BASE_ADDR_ENABLE_REG 0 x2290
#define MV643XX_TX_CSUM_DEFAULT_LIMIT 0
struct mv643xx_eth_shared_platform_data {
struct mbus_dram_target_info *dram;
/*
* Max packet size for Tx IP / Layer 4 checksum , when set to 0 , default
* limit of 9 KiB will be used .
*/
int tx_csum_limit;
};
#define MV643XX_ETH_PHY_ADDR_DEFAULT 0
#define MV643XX_ETH_PHY_ADDR(x) (0 x80 | (x))
#define MV643XX_ETH_PHY_NONE 0 xff
struct device_node;
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;
struct device_node *phy_node;
/*
* Use this MAC address if it is valid , overriding the
* address that is already in the hardware .
*/
u8 mac_addr[ETH_ALEN];
/*
* 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;
phy_interface_t interface;
/*
* 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
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