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 #define MV643XX_TX_CSUM_DEFAULT_LIMIT	0
19 
20 struct mv643xx_eth_shared_platform_data {
21 	struct mbus_dram_target_info	*dram;
22 	struct platform_device	*shared_smi;
23 	unsigned int		t_clk;
24 	/*
25 	 * Max packet size for Tx IP/Layer 4 checksum, when set to 0, default
26 	 * limit of 9KiB will be used.
27 	 */
28 	int			tx_csum_limit;
29 };
30 
31 #define MV643XX_ETH_PHY_ADDR_DEFAULT	0
32 #define MV643XX_ETH_PHY_ADDR(x)		(0x80 | (x))
33 #define MV643XX_ETH_PHY_NONE		0xff
34 
35 struct mv643xx_eth_platform_data {
36 	/*
37 	 * Pointer back to our parent instance, and our port number.
38 	 */
39 	struct platform_device	*shared;
40 	int			port_number;
41 
42 	/*
43 	 * Whether a PHY is present, and if yes, at which address.
44 	 */
45 	int			phy_addr;
46 
47 	/*
48 	 * Use this MAC address if it is valid, overriding the
49 	 * address that is already in the hardware.
50 	 */
51 	u8			mac_addr[6];
52 
53 	/*
54 	 * If speed is 0, autonegotiation is enabled.
55 	 *   Valid values for speed: 0, SPEED_10, SPEED_100, SPEED_1000.
56 	 *   Valid values for duplex: DUPLEX_HALF, DUPLEX_FULL.
57 	 */
58 	int			speed;
59 	int			duplex;
60 
61 	/*
62 	 * How many RX/TX queues to use.
63 	 */
64 	int			rx_queue_count;
65 	int			tx_queue_count;
66 
67 	/*
68 	 * Override default RX/TX queue sizes if nonzero.
69 	 */
70 	int			rx_queue_size;
71 	int			tx_queue_size;
72 
73 	/*
74 	 * Use on-chip SRAM for RX/TX descriptors if size is nonzero
75 	 * and sufficient to contain all descriptors for the requested
76 	 * ring sizes.
77 	 */
78 	unsigned long		rx_sram_addr;
79 	int			rx_sram_size;
80 	unsigned long		tx_sram_addr;
81 	int			tx_sram_size;
82 };
83 
84 
85 #endif
86