5 #include <linux/netdevice.h>
6 #include <linux/types.h>
7 #include <linux/list.h>
10 #include <linux/fs_enet_pd.h>
12 #include <asm/dma-mapping.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_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE)
87 struct fs_enet_mii_bus
{
88 struct list_head list
;
90 const struct fs_mii_bus_info
*bus_info
;
94 int (*mii_read
)(struct fs_enet_mii_bus
*bus
,
95 int phy_id
, int location
);
97 void (*mii_write
)(struct fs_enet_mii_bus
*bus
,
98 int phy_id
, int location
, int value
);
102 unsigned int mii_speed
;
107 /* note that the actual port size may */
108 /* be different; cpm(s) handle it OK */
123 struct fs_enet_private
{
124 struct device
*dev
; /* pointer back to the device (must be initialized first) */
125 spinlock_t lock
; /* during all ops except TX pckt processing */
126 spinlock_t tx_lock
; /* during fs_start_xmit and fs_tx */
127 const struct fs_platform_info
*fpi
;
128 const struct fs_ops
*ops
;
129 int rx_ring
, tx_ring
;
130 dma_addr_t ring_mem_addr
;
132 struct sk_buff
**rx_skbuff
;
133 struct sk_buff
**tx_skbuff
;
134 cbd_t
*rx_bd_base
; /* Address of Rx and Tx buffers. */
136 cbd_t
*dirty_tx
; /* ring entries to be free()ed. */
140 struct net_device_stats stats
;
141 struct timer_list phy_timer_list
;
142 const struct phy_info
*phy
;
144 struct mii_if_info mii_if
;
145 unsigned int last_mii_status
;
146 struct fs_enet_mii_bus
*mii_bus
;
149 struct phy_device
*phydev
;
150 int oldduplex
, oldspeed
, oldlink
; /* current settings */
153 u32 ev_napi_rx
; /* mask of NAPI rx events */
154 u32 ev_rx
; /* rx event mask */
155 u32 ev_tx
; /* tx event mask */
156 u32 ev_err
; /* error event mask */
158 u16 bd_rx_empty
; /* mask of BD rx empty */
159 u16 bd_rx_err
; /* mask of BD rx errors */
163 int idx
; /* FEC1 = 0, FEC2 = 1 */
164 void *fecp
; /* hw registers */
165 u32 hthi
, htlo
; /* state for multicast */
169 int idx
; /* FCC1-3 = 0-2 */
170 void *fccp
; /* hw registers */
171 void *ep
; /* parameter ram */
172 void *fcccp
; /* hw registers cont. */
173 void *mem
; /* FCC DPRAM */
174 u32 gaddrh
, gaddrl
; /* group address */
178 int idx
; /* FEC1 = 0, FEC2 = 1 */
179 void *sccp
; /* hw registers */
180 void *ep
; /* parameter ram */
181 u32 hthi
, htlo
; /* state for multicast */
187 /***************************************************************************/
188 int fs_enet_mdio_bb_init(void);
189 int fs_mii_fixed_init(struct fs_enet_mii_bus
*bus
);
190 int fs_enet_mdio_fec_init(void);
192 void fs_init_bds(struct net_device
*dev
);
193 void fs_cleanup_bds(struct net_device
*dev
);
195 /***************************************************************************/
197 #define DRV_MODULE_NAME "fs_enet"
198 #define PFX DRV_MODULE_NAME ": "
199 #define DRV_MODULE_VERSION "1.0"
200 #define DRV_MODULE_RELDATE "Aug 8, 2005"
202 /***************************************************************************/
204 int fs_enet_platform_init(void);
205 void fs_enet_platform_cleanup(void);
207 /***************************************************************************/
208 /* buffer descriptor access macros */
211 #if defined(CONFIG_CPM1)
212 /* for a a CPM1 __raw_xxx's are sufficient */
213 #define __cbd_out32(addr, x) __raw_writel(x, addr)
214 #define __cbd_out16(addr, x) __raw_writew(x, addr)
215 #define __cbd_in32(addr) __raw_readl(addr)
216 #define __cbd_in16(addr) __raw_readw(addr)
218 /* for others play it safe */
219 #define __cbd_out32(addr, x) out_be32(addr, x)
220 #define __cbd_out16(addr, x) out_be16(addr, x)
221 #define __cbd_in32(addr) in_be32(addr)
222 #define __cbd_in16(addr) in_be16(addr)
226 #define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
227 #define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
228 #define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
231 #define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
232 #define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
233 #define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
236 #define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
239 #define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
241 /*******************************************************************/
243 extern const struct fs_ops fs_fec_ops
;
244 extern const struct fs_ops fs_fcc_ops
;
245 extern const struct fs_ops fs_scc_ops
;
247 /*******************************************************************/
249 /* handy pointer to the immap */
250 extern void *fs_enet_immap
;
252 /*******************************************************************/