[linux-block.git] / include / linux / mv643xx_eth.h

/* 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>
#include <linux/phy.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;
	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
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
c4a6a2ab LB	2	/*
	3	* MV-643XX ethernet platform device data definition file.
	4	*/
fa3959f4	5
c4a6a2ab LB	6	#ifndef __LINUX_MV643XX_ETH_H
	7	#define __LINUX_MV643XX_ETH_H
	8
f2ce825d	9	#include <linux/mbus.h>
574e2af7	10	#include <linux/if_ether.h>
d08cb255	11	#include <linux/phy.h>
f2ce825d	12
240e4419 LB	13	#define MV643XX_ETH_SHARED_NAME "mv643xx_eth"
240e4419 LB	14	#define MV643XX_ETH_NAME "mv643xx_eth_port"
c4a6a2ab LB	15	#define MV643XX_ETH_SHARED_REGS 0x2000
c4a6a2ab LB	16	#define MV643XX_ETH_SHARED_REGS_SIZE 0x2000
3077d78a DF	17	#define MV643XX_ETH_BAR_4 0x2220
	18	#define MV643XX_ETH_SIZE_REG_4 0x2224
	19	#define MV643XX_ETH_BASE_ADDR_ENABLE_REG 0x2290
c4a6a2ab	20
58569aee APR	21	#define MV643XX_TX_CSUM_DEFAULT_LIMIT 0
58569aee APR	22
f2ce825d LB	23	struct mv643xx_eth_shared_platform_data {
f2ce825d LB	24	struct mbus_dram_target_info *dram;
9b2c2ff7 SB	25	/*
	26	* Max packet size for Tx IP/Layer 4 checksum, when set to 0, default
	27	* limit of 9KiB will be used.
	28	*/
	29	int tx_csum_limit;
f2ce825d LB	30	};
f2ce825d LB	31
ac840605 LB	32	#define MV643XX_ETH_PHY_ADDR_DEFAULT 0
	33	#define MV643XX_ETH_PHY_ADDR(x) (0x80 \| (x))
	34	#define MV643XX_ETH_PHY_NONE 0xff
	35
5f292354	36	struct device_node;
c4a6a2ab	37	struct mv643xx_eth_platform_data {
fc32b0e2 LB	38	/*
	39	* Pointer back to our parent instance, and our port number.
	40	*/
fa3959f4	41	struct platform_device *shared;
fc32b0e2	42	int port_number;
fa3959f4	43
fc32b0e2 LB	44	/*
	45	* Whether a PHY is present, and if yes, at which address.
	46	*/
fc32b0e2	47	int phy_addr;
5f292354	48	struct device_node *phy_node;
ce4e2e45	49
fc32b0e2 LB	50	/*
	51	* Use this MAC address if it is valid, overriding the
	52	* address that is already in the hardware.
	53	*/
574e2af7	54	u8 mac_addr[ETH_ALEN];
fc32b0e2 LB	55
	56	/*
	57	* If speed is 0, autonegotiation is enabled.
	58	* Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000.
	59	* Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL.
	60	*/
	61	int speed;
	62	int duplex;
d08cb255	63	phy_interface_t interface;
fc32b0e2	64
64da80a2	65	/*
f7981c1c	66	* How many RX/TX queues to use.
64da80a2	67	*/
f7981c1c LB	68	int rx_queue_count;
f7981c1c LB	69	int tx_queue_count;
64da80a2	70
fc32b0e2 LB	71	/*
	72	* Override default RX/TX queue sizes if nonzero.
	73	*/
	74	int rx_queue_size;
	75	int tx_queue_size;
	76
	77	/*
	78	* Use on-chip SRAM for RX/TX descriptors if size is nonzero
	79	* and sufficient to contain all descriptors for the requested
	80	* ring sizes.
	81	*/
	82	unsigned long rx_sram_addr;
	83	int rx_sram_size;
	84	unsigned long tx_sram_addr;
	85	int tx_sram_size;
c4a6a2ab LB	86	};
c4a6a2ab LB	87
fc32b0e2 LB	88
fc32b0e2 LB	89	#endif