5 #include <linux/netdevice.h>
6 #include <linux/types.h>
7 #include <linux/list.h>
9 #include <linux/dma-mapping.h>
11 #include <linux/fs_enet_pd.h>
12 #include <asm/fs_pd.h>
15 #include <asm/commproc.h>
27 /* This is used to operate with pins.
28 Note that the actual port size may
29 be different; cpm(s) handle it OK */
42 int (*setup_data)(struct net_device *dev);
43 int (*allocate_bd)(struct net_device *dev);
44 void (*free_bd)(struct net_device *dev);
45 void (*cleanup_data)(struct net_device *dev);
46 void (*set_multicast_list)(struct net_device *dev);
47 void (*adjust_link)(struct net_device *dev);
48 void (*restart)(struct net_device *dev);
49 void (*stop)(struct net_device *dev);
50 void (*pre_request_irq)(struct net_device *dev, int irq);
51 void (*post_free_irq)(struct net_device *dev, int irq);
52 void (*napi_clear_rx_event)(struct net_device *dev);
53 void (*napi_enable_rx)(struct net_device *dev);
54 void (*napi_disable_rx)(struct net_device *dev);
55 void (*rx_bd_done)(struct net_device *dev);
56 void (*tx_kickstart)(struct net_device *dev);
57 u32 (*get_int_events)(struct net_device *dev);
58 void (*clear_int_events)(struct net_device *dev, u32 int_events);
59 void (*ev_error)(struct net_device *dev, u32 int_events);
60 int (*get_regs)(struct net_device *dev, void *p, int *sizep);
61 int (*get_regs_len)(struct net_device *dev);
62 void (*tx_restart)(struct net_device *dev);
68 void (*startup) (struct net_device * dev);
69 void (*shutdown) (struct net_device * dev);
70 void (*ack_int) (struct net_device * dev);
73 /* The FEC stores dest/src/type, data, and checksum for receive packets.
75 #define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */
76 #define MIN_MTU 46 /* this is data size */
79 #define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN)
80 #define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN)
82 /* Must be a multiple of 32 (to cover both FEC & FCC) */
83 #define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31)
84 /* This is needed so that invalidate_xxx wont invalidate too much */
85 #define ENET_RX_ALIGN 16
86 #define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE + ENET_RX_ALIGN - 1)
88 struct fs_enet_mii_bus {
89 struct list_head list;
91 const struct fs_mii_bus_info *bus_info;
95 int (*mii_read)(struct fs_enet_mii_bus *bus,
96 int phy_id, int location);
98 void (*mii_write)(struct fs_enet_mii_bus *bus,
99 int phy_id, int location, int value);
103 unsigned int mii_speed;
108 /* note that the actual port size may */
109 /* be different; cpm(s) handle it OK */
124 struct fs_enet_private {
125 struct napi_struct napi;
126 struct device *dev; /* pointer back to the device (must be initialized first) */
127 spinlock_t lock; /* during all ops except TX pckt processing */
128 spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */
129 const struct fs_platform_info *fpi;
130 const struct fs_ops *ops;
131 int rx_ring, tx_ring;
132 dma_addr_t ring_mem_addr;
134 struct sk_buff **rx_skbuff;
135 struct sk_buff **tx_skbuff;
136 cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */
138 cbd_t *dirty_tx; /* ring entries to be free()ed. */
142 struct net_device_stats stats;
143 struct timer_list phy_timer_list;
144 const struct phy_info *phy;
146 struct mii_if_info mii_if;
147 unsigned int last_mii_status;
148 struct fs_enet_mii_bus *mii_bus;
151 struct phy_device *phydev;
152 int oldduplex, oldspeed, oldlink; /* current settings */
155 u32 ev_napi_rx; /* mask of NAPI rx events */
156 u32 ev_rx; /* rx event mask */
157 u32 ev_tx; /* tx event mask */
158 u32 ev_err; /* error event mask */
160 u16 bd_rx_empty; /* mask of BD rx empty */
161 u16 bd_rx_err; /* mask of BD rx errors */
165 int idx; /* FEC1 = 0, FEC2 = 1 */
166 void *fecp; /* hw registers */
167 u32 hthi, htlo; /* state for multicast */
171 int idx; /* FCC1-3 = 0-2 */
172 void *fccp; /* hw registers */
173 void *ep; /* parameter ram */
174 void *fcccp; /* hw registers cont. */
175 void *mem; /* FCC DPRAM */
176 u32 gaddrh, gaddrl; /* group address */
180 int idx; /* FEC1 = 0, FEC2 = 1 */
181 void *sccp; /* hw registers */
182 void *ep; /* parameter ram */
183 u32 hthi, htlo; /* state for multicast */
189 /***************************************************************************/
190 int fs_enet_mdio_bb_init(void);
191 int fs_mii_fixed_init(struct fs_enet_mii_bus *bus);
192 int fs_enet_mdio_fec_init(void);
194 void fs_init_bds(struct net_device *dev);
195 void fs_cleanup_bds(struct net_device *dev);
197 /***************************************************************************/
199 #define DRV_MODULE_NAME "fs_enet"
200 #define PFX DRV_MODULE_NAME ": "
201 #define DRV_MODULE_VERSION "1.0"
202 #define DRV_MODULE_RELDATE "Aug 8, 2005"
204 /***************************************************************************/
206 int fs_enet_platform_init(void);
207 void fs_enet_platform_cleanup(void);
209 /***************************************************************************/
210 /* buffer descriptor access macros */
213 #if defined(CONFIG_CPM1)
214 /* for a a CPM1 __raw_xxx's are sufficient */
215 #define __cbd_out32(addr, x) __raw_writel(x, addr)
216 #define __cbd_out16(addr, x) __raw_writew(x, addr)
217 #define __cbd_in32(addr) __raw_readl(addr)
218 #define __cbd_in16(addr) __raw_readw(addr)
220 /* for others play it safe */
221 #define __cbd_out32(addr, x) out_be32(addr, x)
222 #define __cbd_out16(addr, x) out_be16(addr, x)
223 #define __cbd_in32(addr) in_be32(addr)
224 #define __cbd_in16(addr) in_be16(addr)
228 #define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
229 #define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
230 #define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
233 #define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
234 #define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
235 #define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
238 #define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
241 #define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
243 /*******************************************************************/
245 extern const struct fs_ops fs_fec_ops;
246 extern const struct fs_ops fs_fcc_ops;
247 extern const struct fs_ops fs_scc_ops;
249 /*******************************************************************/
251 /* handy pointer to the immap */
252 extern void *fs_enet_immap;
254 /*******************************************************************/