254 lines
7.0 KiB
C
254 lines
7.0 KiB
C
#ifndef FS_ENET_H
|
|
#define FS_ENET_H
|
|
|
|
#include <linux/mii.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
#include <linux/phy.h>
|
|
#include <linux/dma-mapping.h>
|
|
|
|
#include <linux/fs_enet_pd.h>
|
|
|
|
#ifdef CONFIG_CPM1
|
|
#include <asm/commproc.h>
|
|
|
|
struct fec_info {
|
|
fec_t* fecp;
|
|
u32 mii_speed;
|
|
};
|
|
#endif
|
|
|
|
#ifdef CONFIG_CPM2
|
|
#include <asm/cpm2.h>
|
|
#endif
|
|
|
|
/* This is used to operate with pins.
|
|
Note that the actual port size may
|
|
be different; cpm(s) handle it OK */
|
|
struct bb_info {
|
|
u8 mdio_dat_msk;
|
|
u8 mdio_dir_msk;
|
|
u8 *mdio_dir;
|
|
u8 *mdio_dat;
|
|
u8 mdc_msk;
|
|
u8 *mdc_dat;
|
|
int delay;
|
|
};
|
|
|
|
/* hw driver ops */
|
|
struct fs_ops {
|
|
int (*setup_data)(struct net_device *dev);
|
|
int (*allocate_bd)(struct net_device *dev);
|
|
void (*free_bd)(struct net_device *dev);
|
|
void (*cleanup_data)(struct net_device *dev);
|
|
void (*set_multicast_list)(struct net_device *dev);
|
|
void (*adjust_link)(struct net_device *dev);
|
|
void (*restart)(struct net_device *dev);
|
|
void (*stop)(struct net_device *dev);
|
|
void (*pre_request_irq)(struct net_device *dev, int irq);
|
|
void (*post_free_irq)(struct net_device *dev, int irq);
|
|
void (*napi_clear_rx_event)(struct net_device *dev);
|
|
void (*napi_enable_rx)(struct net_device *dev);
|
|
void (*napi_disable_rx)(struct net_device *dev);
|
|
void (*rx_bd_done)(struct net_device *dev);
|
|
void (*tx_kickstart)(struct net_device *dev);
|
|
u32 (*get_int_events)(struct net_device *dev);
|
|
void (*clear_int_events)(struct net_device *dev, u32 int_events);
|
|
void (*ev_error)(struct net_device *dev, u32 int_events);
|
|
int (*get_regs)(struct net_device *dev, void *p, int *sizep);
|
|
int (*get_regs_len)(struct net_device *dev);
|
|
void (*tx_restart)(struct net_device *dev);
|
|
};
|
|
|
|
struct phy_info {
|
|
unsigned int id;
|
|
const char *name;
|
|
void (*startup) (struct net_device * dev);
|
|
void (*shutdown) (struct net_device * dev);
|
|
void (*ack_int) (struct net_device * dev);
|
|
};
|
|
|
|
/* The FEC stores dest/src/type, data, and checksum for receive packets.
|
|
*/
|
|
#define MAX_MTU 1508 /* Allow fullsized pppoe packets over VLAN */
|
|
#define MIN_MTU 46 /* this is data size */
|
|
#define CRC_LEN 4
|
|
|
|
#define PKT_MAXBUF_SIZE (MAX_MTU+ETH_HLEN+CRC_LEN)
|
|
#define PKT_MINBUF_SIZE (MIN_MTU+ETH_HLEN+CRC_LEN)
|
|
|
|
/* Must be a multiple of 32 (to cover both FEC & FCC) */
|
|
#define PKT_MAXBLR_SIZE ((PKT_MAXBUF_SIZE + 31) & ~31)
|
|
/* This is needed so that invalidate_xxx wont invalidate too much */
|
|
#define ENET_RX_FRSIZE L1_CACHE_ALIGN(PKT_MAXBUF_SIZE)
|
|
|
|
struct fs_enet_mii_bus {
|
|
struct list_head list;
|
|
spinlock_t mii_lock;
|
|
const struct fs_mii_bus_info *bus_info;
|
|
int refs;
|
|
u32 usage_map;
|
|
|
|
int (*mii_read)(struct fs_enet_mii_bus *bus,
|
|
int phy_id, int location);
|
|
|
|
void (*mii_write)(struct fs_enet_mii_bus *bus,
|
|
int phy_id, int location, int value);
|
|
|
|
union {
|
|
struct {
|
|
unsigned int mii_speed;
|
|
void *fecp;
|
|
} fec;
|
|
|
|
struct {
|
|
/* note that the actual port size may */
|
|
/* be different; cpm(s) handle it OK */
|
|
u8 mdio_msk;
|
|
u8 *mdio_dir;
|
|
u8 *mdio_dat;
|
|
u8 mdc_msk;
|
|
u8 *mdc_dir;
|
|
u8 *mdc_dat;
|
|
} bitbang;
|
|
|
|
struct {
|
|
u16 lpa;
|
|
} fixed;
|
|
};
|
|
};
|
|
|
|
struct fs_enet_private {
|
|
struct device *dev; /* pointer back to the device (must be initialized first) */
|
|
spinlock_t lock; /* during all ops except TX pckt processing */
|
|
spinlock_t tx_lock; /* during fs_start_xmit and fs_tx */
|
|
const struct fs_platform_info *fpi;
|
|
const struct fs_ops *ops;
|
|
int rx_ring, tx_ring;
|
|
dma_addr_t ring_mem_addr;
|
|
void *ring_base;
|
|
struct sk_buff **rx_skbuff;
|
|
struct sk_buff **tx_skbuff;
|
|
cbd_t *rx_bd_base; /* Address of Rx and Tx buffers. */
|
|
cbd_t *tx_bd_base;
|
|
cbd_t *dirty_tx; /* ring entries to be free()ed. */
|
|
cbd_t *cur_rx;
|
|
cbd_t *cur_tx;
|
|
int tx_free;
|
|
struct net_device_stats stats;
|
|
struct timer_list phy_timer_list;
|
|
const struct phy_info *phy;
|
|
u32 msg_enable;
|
|
struct mii_if_info mii_if;
|
|
unsigned int last_mii_status;
|
|
struct fs_enet_mii_bus *mii_bus;
|
|
int interrupt;
|
|
|
|
struct phy_device *phydev;
|
|
int oldduplex, oldspeed, oldlink; /* current settings */
|
|
|
|
/* event masks */
|
|
u32 ev_napi_rx; /* mask of NAPI rx events */
|
|
u32 ev_rx; /* rx event mask */
|
|
u32 ev_tx; /* tx event mask */
|
|
u32 ev_err; /* error event mask */
|
|
|
|
u16 bd_rx_empty; /* mask of BD rx empty */
|
|
u16 bd_rx_err; /* mask of BD rx errors */
|
|
|
|
union {
|
|
struct {
|
|
int idx; /* FEC1 = 0, FEC2 = 1 */
|
|
void *fecp; /* hw registers */
|
|
u32 hthi, htlo; /* state for multicast */
|
|
} fec;
|
|
|
|
struct {
|
|
int idx; /* FCC1-3 = 0-2 */
|
|
void *fccp; /* hw registers */
|
|
void *ep; /* parameter ram */
|
|
void *fcccp; /* hw registers cont. */
|
|
void *mem; /* FCC DPRAM */
|
|
u32 gaddrh, gaddrl; /* group address */
|
|
} fcc;
|
|
|
|
struct {
|
|
int idx; /* FEC1 = 0, FEC2 = 1 */
|
|
void *sccp; /* hw registers */
|
|
void *ep; /* parameter ram */
|
|
u32 hthi, htlo; /* state for multicast */
|
|
} scc;
|
|
|
|
};
|
|
};
|
|
|
|
/***************************************************************************/
|
|
int fs_enet_mdio_bb_init(void);
|
|
int fs_mii_fixed_init(struct fs_enet_mii_bus *bus);
|
|
int fs_enet_mdio_fec_init(void);
|
|
|
|
void fs_init_bds(struct net_device *dev);
|
|
void fs_cleanup_bds(struct net_device *dev);
|
|
|
|
/***************************************************************************/
|
|
|
|
#define DRV_MODULE_NAME "fs_enet"
|
|
#define PFX DRV_MODULE_NAME ": "
|
|
#define DRV_MODULE_VERSION "1.0"
|
|
#define DRV_MODULE_RELDATE "Aug 8, 2005"
|
|
|
|
/***************************************************************************/
|
|
|
|
int fs_enet_platform_init(void);
|
|
void fs_enet_platform_cleanup(void);
|
|
|
|
/***************************************************************************/
|
|
/* buffer descriptor access macros */
|
|
|
|
/* access macros */
|
|
#if defined(CONFIG_CPM1)
|
|
/* for a a CPM1 __raw_xxx's are sufficient */
|
|
#define __cbd_out32(addr, x) __raw_writel(x, addr)
|
|
#define __cbd_out16(addr, x) __raw_writew(x, addr)
|
|
#define __cbd_in32(addr) __raw_readl(addr)
|
|
#define __cbd_in16(addr) __raw_readw(addr)
|
|
#else
|
|
/* for others play it safe */
|
|
#define __cbd_out32(addr, x) out_be32(addr, x)
|
|
#define __cbd_out16(addr, x) out_be16(addr, x)
|
|
#define __cbd_in32(addr) in_be32(addr)
|
|
#define __cbd_in16(addr) in_be16(addr)
|
|
#endif
|
|
|
|
/* write */
|
|
#define CBDW_SC(_cbd, _sc) __cbd_out16(&(_cbd)->cbd_sc, (_sc))
|
|
#define CBDW_DATLEN(_cbd, _datlen) __cbd_out16(&(_cbd)->cbd_datlen, (_datlen))
|
|
#define CBDW_BUFADDR(_cbd, _bufaddr) __cbd_out32(&(_cbd)->cbd_bufaddr, (_bufaddr))
|
|
|
|
/* read */
|
|
#define CBDR_SC(_cbd) __cbd_in16(&(_cbd)->cbd_sc)
|
|
#define CBDR_DATLEN(_cbd) __cbd_in16(&(_cbd)->cbd_datlen)
|
|
#define CBDR_BUFADDR(_cbd) __cbd_in32(&(_cbd)->cbd_bufaddr)
|
|
|
|
/* set bits */
|
|
#define CBDS_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) | (_sc))
|
|
|
|
/* clear bits */
|
|
#define CBDC_SC(_cbd, _sc) CBDW_SC(_cbd, CBDR_SC(_cbd) & ~(_sc))
|
|
|
|
/*******************************************************************/
|
|
|
|
extern const struct fs_ops fs_fec_ops;
|
|
extern const struct fs_ops fs_fcc_ops;
|
|
extern const struct fs_ops fs_scc_ops;
|
|
|
|
/*******************************************************************/
|
|
|
|
/* handy pointer to the immap */
|
|
extern void *fs_enet_immap;
|
|
|
|
/*******************************************************************/
|
|
|
|
#endif
|