1 /*
2  * Platform information definitions for the
3  * universal Freescale Ethernet driver.
4  *
5  * Copyright (c) 2003 Intracom S.A.
6  *  by Pantelis Antoniou <panto@intracom.gr>
7  *
8  * 2005 (c) MontaVista Software, Inc.
9  * Vitaly Bordug <vbordug@ru.mvista.com>
10  *
11  * This file is licensed under the terms of the GNU General Public License
12  * version 2. This program is licensed "as is" without any warranty of any
13  * kind, whether express or implied.
14  */
15 
16 #ifndef FS_ENET_PD_H
17 #define FS_ENET_PD_H
18 
19 #include <linux/string.h>
20 #include <linux/of_mdio.h>
21 #include <asm/types.h>
22 
23 #define FS_ENET_NAME	"fs_enet"
24 
25 enum fs_id {
26 	fsid_fec1,
27 	fsid_fec2,
28 	fsid_fcc1,
29 	fsid_fcc2,
30 	fsid_fcc3,
31 	fsid_scc1,
32 	fsid_scc2,
33 	fsid_scc3,
34 	fsid_scc4,
35 };
36 
37 #define FS_MAX_INDEX	9
38 
fs_get_fec_index(enum fs_id id)39 static inline int fs_get_fec_index(enum fs_id id)
40 {
41 	if (id >= fsid_fec1 && id <= fsid_fec2)
42 		return id - fsid_fec1;
43 	return -1;
44 }
45 
fs_get_fcc_index(enum fs_id id)46 static inline int fs_get_fcc_index(enum fs_id id)
47 {
48 	if (id >= fsid_fcc1 && id <= fsid_fcc3)
49 		return id - fsid_fcc1;
50 	return -1;
51 }
52 
fs_get_scc_index(enum fs_id id)53 static inline int fs_get_scc_index(enum fs_id id)
54 {
55 	if (id >= fsid_scc1 && id <= fsid_scc4)
56 		return id - fsid_scc1;
57 	return -1;
58 }
59 
fs_fec_index2id(int index)60 static inline int fs_fec_index2id(int index)
61 {
62 	int id = fsid_fec1 + index - 1;
63 	if (id >= fsid_fec1 && id <= fsid_fec2)
64 		return id;
65 	return FS_MAX_INDEX;
66 		}
67 
fs_fcc_index2id(int index)68 static inline int fs_fcc_index2id(int index)
69 {
70 	int id = fsid_fcc1 + index - 1;
71 	if (id >= fsid_fcc1 && id <= fsid_fcc3)
72 		return id;
73 	return FS_MAX_INDEX;
74 }
75 
fs_scc_index2id(int index)76 static inline int fs_scc_index2id(int index)
77 {
78 	int id = fsid_scc1 + index - 1;
79 	if (id >= fsid_scc1 && id <= fsid_scc4)
80 		return id;
81 	return FS_MAX_INDEX;
82 }
83 
84 enum fs_mii_method {
85 	fsmii_fixed,
86 	fsmii_fec,
87 	fsmii_bitbang,
88 };
89 
90 enum fs_ioport {
91 	fsiop_porta,
92 	fsiop_portb,
93 	fsiop_portc,
94 	fsiop_portd,
95 	fsiop_porte,
96 };
97 
98 struct fs_mii_bit {
99 	u32 offset;
100 	u8 bit;
101 	u8 polarity;
102 };
103 struct fs_mii_bb_platform_info {
104 	struct fs_mii_bit 	mdio_dir;
105 	struct fs_mii_bit 	mdio_dat;
106 	struct fs_mii_bit	mdc_dat;
107 	int delay;	/* delay in us         */
108 	int irq[32]; 	/* irqs per phy's */
109 };
110 
111 struct fs_platform_info {
112 
113 	void(*init_ioports)(struct fs_platform_info *);
114 	/* device specific information */
115 	int fs_no;		/* controller index            */
116 	char fs_type[4];	/* controller type             */
117 
118 	u32 cp_page;		/* CPM page */
119 	u32 cp_block;		/* CPM sblock */
120 	u32 cp_command;		/* CPM page/sblock/mcn */
121 
122 	u32 clk_trx;		/* some stuff for pins & mux configuration*/
123 	u32 clk_rx;
124 	u32 clk_tx;
125 	u32 clk_route;
126 	u32 clk_mask;
127 
128 	u32 mem_offset;
129 	u32 dpram_offset;
130 	u32 fcc_regs_c;
131 
132 	u32 device_flags;
133 
134 	struct device_node *phy_node;
135 	const struct fs_mii_bus_info *bus_info;
136 
137 	int rx_ring, tx_ring;	/* number of buffers on rx     */
138 	__u8 macaddr[6];	/* mac address                 */
139 	int rx_copybreak;	/* limit we copy small frames  */
140 	int use_napi;		/* use NAPI                    */
141 	int napi_weight;	/* NAPI weight                 */
142 
143 	int use_rmii;		/* use RMII mode 	       */
144 	int has_phy;            /* if the network is phy container as well...*/
145 };
146 struct fs_mii_fec_platform_info {
147 	u32 irq[32];
148 	u32 mii_speed;
149 };
150 
fs_get_id(struct fs_platform_info * fpi)151 static inline int fs_get_id(struct fs_platform_info *fpi)
152 {
153 	if(strstr(fpi->fs_type, "SCC"))
154 		return fs_scc_index2id(fpi->fs_no);
155 	if(strstr(fpi->fs_type, "FCC"))
156 		return fs_fcc_index2id(fpi->fs_no);
157 	if(strstr(fpi->fs_type, "FEC"))
158 		return fs_fec_index2id(fpi->fs_no);
159 	return fpi->fs_no;
160 }
161 
162 #endif
163