1
2#ifndef FS_ENET_H
3#define FS_ENET_H
4
5#include <linux/mii.h>
6#include <linux/netdevice.h>
7#include <linux/types.h>
8#include <linux/list.h>
9#include <linux/phy.h>
10#include <linux/dma-mapping.h>
11
12#include <linux/fs_enet_pd.h>
13#include <asm/fs_pd.h>
14
15#ifdef CONFIG_CPM1
16#include <asm/cpm1.h>
17#endif
18
19#if defined(CONFIG_FS_ENET_HAS_FEC)
20#include <asm/cpm.h>
21
22#if defined(CONFIG_FS_ENET_MPC5121_FEC)
23
24struct fec {
25 u32 fec_reserved0;
26 u32 fec_ievent;
27 u32 fec_imask;
28 u32 fec_reserved1;
29 u32 fec_r_des_active;
30 u32 fec_x_des_active;
31 u32 fec_reserved2[3];
32 u32 fec_ecntrl;
33 u32 fec_reserved3[6];
34 u32 fec_mii_data;
35 u32 fec_mii_speed;
36 u32 fec_reserved4[7];
37 u32 fec_mib_ctrlstat;
38 u32 fec_reserved5[7];
39 u32 fec_r_cntrl;
40 u32 fec_reserved6[15];
41 u32 fec_x_cntrl;
42 u32 fec_reserved7[7];
43 u32 fec_addr_low;
44 u32 fec_addr_high;
45 u32 fec_opd;
46 u32 fec_reserved8[10];
47 u32 fec_hash_table_high;
48 u32 fec_hash_table_low;
49 u32 fec_grp_hash_table_high;
50 u32 fec_grp_hash_table_low;
51 u32 fec_reserved9[7];
52 u32 fec_x_wmrk;
53 u32 fec_reserved10;
54 u32 fec_r_bound;
55 u32 fec_r_fstart;
56 u32 fec_reserved11[11];
57 u32 fec_r_des_start;
58 u32 fec_x_des_start;
59 u32 fec_r_buff_size;
60 u32 fec_reserved12[26];
61 u32 fec_dma_control;
62};
63#endif
64
65struct fec_info {
66 struct fec __iomem *fecp;
67 u32 mii_speed;
68};
69#endif
70
71#ifdef CONFIG_CPM2
72#include <asm/cpm2.h>
73#endif
74
75
76struct fs_ops {
77 int (*setup_data)(struct net_device *dev);
78 int (*allocate_bd)(struct net_device *dev);
79 void (*free_bd)(struct net_device *dev);
80 void (*cleanup_data)(struct net_device *dev);
81 void (*set_multicast_list)(struct net_device *dev);
82 void (*adjust_link)(struct net_device *dev);
83 void (*restart)(struct net_device *dev);
84 void (*stop)(struct net_device *dev);
85 void (*napi_clear_event)(struct net_device *dev);
86 void (*napi_enable)(struct net_device *dev);
87 void (*napi_disable)(struct net_device *dev);
88 void (*rx_bd_done)(struct net_device *dev);
89 void (*tx_kickstart)(struct net_device *dev);
90 u32 (*get_int_events)(struct net_device *dev);
91 void (*clear_int_events)(struct net_device *dev, u32 int_events);
92 void (*ev_error)(struct net_device *dev, u32 int_events);
93 int (*get_regs)(struct net_device *dev, void *p, int *sizep);
94 int (*get_regs_len)(struct net_device *dev);
95 void (*tx_restart)(struct net_device *dev);
96};
97
98struct phy_info {
99 unsigned int id;
100 const char *name;
101 void (*startup) (struct net_device * dev);
102 void (*shutdown) (struct net_device * dev);
103 void (*ack_int) (struct net_device * dev);
104};
105
106
107
108#define MAX_MTU 1508
109#define MIN_MTU 46
110#define CRC_LEN 4
111
112#define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN)
113#define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN)
114
115
116#define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31)
117
118#define ENET_RX_ALIGN 16
119#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1)
120
121struct fs_enet_private {
122 struct napi_struct napi;
123 struct device *dev;
124 struct net_device *ndev;
125 spinlock_t lock;
126 spinlock_t tx_lock;
127 struct fs_platform_info *fpi;
128 struct work_struct timeout_work;
129 const struct fs_ops *ops;
130 int rx_ring, tx_ring;
131 dma_addr_t ring_mem_addr;
132 void __iomem *ring_base;
133 struct sk_buff **rx_skbuff;
134 struct sk_buff **tx_skbuff;
135 char *mapped_as_page;
136 cbd_t __iomem *rx_bd_base;
137 cbd_t __iomem *tx_bd_base;
138 cbd_t __iomem *dirty_tx;
139 cbd_t __iomem *cur_rx;
140 cbd_t __iomem *cur_tx;
141 int tx_free;
142 const struct phy_info *phy;
143 u32 msg_enable;
144 struct mii_if_info mii_if;
145 unsigned int last_mii_status;
146 int interrupt;
147
148 int oldduplex, oldspeed, oldlink;
149
150
151 u32 ev_napi;
152 u32 ev;
153 u32 ev_err;
154
155 u16 bd_rx_empty;
156 u16 bd_rx_err;
157
158 union {
159 struct {
160 int idx;
161 void __iomem *fecp;
162 u32 hthi, htlo;
163 } fec;
164
165 struct {
166 int idx;
167 void __iomem *fccp;
168 void __iomem *ep;
169 void __iomem *fcccp;
170 void __iomem *mem;
171 u32 gaddrh, gaddrl;
172 } fcc;
173
174 struct {
175 int idx;
176 void __iomem *sccp;
177 void __iomem *ep;
178 u32 hthi, htlo;
179 } scc;
180
181 };
182};
183
184
185
186void fs_init_bds(struct net_device *dev);
187void fs_cleanup_bds(struct net_device *dev);
188
189
190
191#define DRV_MODULE_NAME "fs_enet"
192#define PFX DRV_MODULE_NAME ": "
193
194
195
196int fs_enet_platform_init(void);
197void fs_enet_platform_cleanup(void);
198
199
200
201
202
203#if defined(CONFIG_CPM1)
204
205#define __cbd_out32(addr, x) __raw_writel(x, addr)
206#define __cbd_out16(addr, x) __raw_writew(x, addr)
207#define __cbd_in32(addr) __raw_readl(addr)
208#define __cbd_in16(addr) __raw_readw(addr)
209#else
210
211#define __cbd_out32(addr, x) out_be32(addr, x)
212#define __cbd_out16(addr, x) out_be16(addr, x)
213#define __cbd_in32(addr) in_be32(addr)
214#define __cbd_in16(addr) in_be16(addr)
215#endif
216
217
218#define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
219#define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
220#define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
221
222
223#define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
224#define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
225#define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
226
227
228#define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
229
230
231#define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
232
233
234
235extern const struct fs_ops fs_fec_ops;
236extern const struct fs_ops fs_fcc_ops;
237extern const struct fs_ops fs_scc_ops;
238
239
240
241#endif
242