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