Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* MV-643XX 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>
#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;
/*
* 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 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;
/*
* 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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