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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 | /* Copyright (C) 2007 One Stop Systems
* Copyright (C) 2003-2005 SBE, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/netdevice.h>
#include <linux/hdlc.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>
#include <linux/rtnetlink.h>
#include <linux/pci.h>
#include "pmcc4_sysdep.h"
#include "sbecom_inline_linux.h"
#include "libsbew.h"
#include "pmcc4_private.h"
#include "pmcc4.h"
#include "pmcc4_ioctls.h"
#include "pmc93x6_eeprom.h"
#ifdef CONFIG_PROC_FS
#include "sbeproc.h"
#endif
#ifdef SBE_INCLUDE_SYMBOLS
#define STATIC
#else
#define STATIC static
#endif
extern int cxt1e1_log_level;
extern int error_flag;
extern int drvr_state;
/* forward references */
void c4_stopwd (ci_t *);
struct net_device * __init c4_add_dev (hdw_info_t *, int, unsigned long, unsigned long, int, int);
struct s_hdw_info hdw_info[MAX_BOARDS];
void __init
show_two (hdw_info_t * hi, int brdno)
{
ci_t *ci;
struct pci_dev *pdev;
char *bid;
char *bp, banner[80];
char sn[6];
bp = banner;
memset (banner, 0, 80); /* clear print buffer */
ci = (ci_t *)(netdev_priv(hi->ndev));
bid = sbeid_get_bdname (ci);
switch (hi->promfmt)
{
case PROM_FORMAT_TYPE1:
memcpy (sn, (FLD_TYPE1 *) (hi->mfg_info.pft1.Serial), 6);
break;
case PROM_FORMAT_TYPE2:
memcpy (sn, (FLD_TYPE2 *) (hi->mfg_info.pft2.Serial), 6);
break;
default:
memset (sn, 0, 6);
break;
}
sprintf (banner, "%s: %s S/N %06X, MUSYCC Rev %02X",
hi->devname, bid,
((sn[3] << 16) & 0xff0000) |
((sn[4] << 8) & 0x00ff00) |
(sn[5] & 0x0000ff),
(u_int8_t) hi->revid[0]);
pr_info("%s\n", banner);
pdev = hi->pdev[0];
pr_info("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
hi->devname, "MUSYCC",
(unsigned long) hi->addr_mapped[0], hi->addr[0],
hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
(u_int8_t) PCI_FUNC (pdev->devfn), pdev->irq);
pdev = hi->pdev[1];
pr_info("%s: %s at v/p=%lx/%lx (%02x:%02x.%x) irq %d\n",
hi->devname, "EBUS ",
(unsigned long) hi->addr_mapped[1], hi->addr[1],
hi->pci_busno, (u_int8_t) PCI_SLOT (pdev->devfn),
(u_int8_t) PCI_FUNC (pdev->devfn), pdev->irq);
}
void __init
hdw_sn_get (hdw_info_t * hi, int brdno)
{
/* obtain hardware EEPROM information */
long addr;
addr = (long) hi->addr_mapped[1] + EEPROM_OFFSET;
/* read EEPROM with largest known format size... */
pmc_eeprom_read_buffer (addr, 0, (char *) hi->mfg_info.data, sizeof (FLD_TYPE2));
#if 0
{
unsigned char *ucp = (unsigned char *) &hi->mfg_info.data;
pr_info("eeprom[00]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 0), *(ucp + 1), *(ucp + 2), *(ucp + 3), *(ucp + 4), *(ucp + 5), *(ucp + 6), *(ucp + 7));
pr_info("eeprom[08]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 8), *(ucp + 9), *(ucp + 10), *(ucp + 11), *(ucp + 12), *(ucp + 13), *(ucp + 14), *(ucp + 15));
pr_info("eeprom[16]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 16), *(ucp + 17), *(ucp + 18), *(ucp + 19), *(ucp + 20), *(ucp + 21), *(ucp + 22), *(ucp + 23));
pr_info("eeprom[24]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 24), *(ucp + 25), *(ucp + 26), *(ucp + 27), *(ucp + 28), *(ucp + 29), *(ucp + 30), *(ucp + 31));
pr_info("eeprom[32]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 32), *(ucp + 33), *(ucp + 34), *(ucp + 35), *(ucp + 36), *(ucp + 37), *(ucp + 38), *(ucp + 39));
pr_info("eeprom[40]: %02x %02x %02x %02x %02x %02x %02x %02x\n",
*(ucp + 40), *(ucp + 41), *(ucp + 42), *(ucp + 43), *(ucp + 44), *(ucp + 45), *(ucp + 46), *(ucp + 47));
}
#endif
#if 0
pr_info("sn: %x %x %x %x %x %x\n",
hi->mfg_info.Serial[0],
hi->mfg_info.Serial[1],
hi->mfg_info.Serial[2],
hi->mfg_info.Serial[3],
hi->mfg_info.Serial[4],
hi->mfg_info.Serial[5]);
#endif
if ((hi->promfmt = pmc_verify_cksum (&hi->mfg_info.data)) == PROM_FORMAT_Unk)
{
/* bad crc, data is suspect */
if (cxt1e1_log_level >= LOG_WARN)
pr_info("%s: EEPROM cksum error\n", hi->devname);
hi->mfg_info_sts = EEPROM_CRCERR;
} else
hi->mfg_info_sts = EEPROM_OK;
}
void __init
prep_hdw_info (void)
{
hdw_info_t *hi;
int i;
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
hi->pci_busno = 0xff;
hi->pci_slot = 0xff;
hi->pci_pin[0] = 0;
hi->pci_pin[1] = 0;
hi->ndev = 0;
hi->addr[0] = 0L;
hi->addr[1] = 0L;
hi->addr_mapped[0] = 0L;
hi->addr_mapped[1] = 0L;
}
}
void
cleanup_ioremap (void)
{
hdw_info_t *hi;
int i;
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
if (hi->pci_slot == 0xff)
break;
if (hi->addr_mapped[0])
{
iounmap ((void *) (hi->addr_mapped[0]));
release_mem_region ((long) hi->addr[0], hi->len[0]);
hi->addr_mapped[0] = 0;
}
if (hi->addr_mapped[1])
{
iounmap ((void *) (hi->addr_mapped[1]));
release_mem_region ((long) hi->addr[1], hi->len[1]);
hi->addr_mapped[1] = 0;
}
}
}
void
cleanup_devs (void)
{
hdw_info_t *hi;
int i;
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
if (hi->pci_slot == 0xff || !hi->ndev)
break;
c4_stopwd(netdev_priv(hi->ndev));
#ifdef CONFIG_PROC_FS
sbecom_proc_brd_cleanup(netdev_priv(hi->ndev));
#endif
unregister_netdev (hi->ndev);
free_irq (hi->pdev[0]->irq, hi->ndev);
#ifdef CONFIG_SBE_PMCC4_NCOMM
free_irq (hi->pdev[1]->irq, hi->ndev);
#endif
OS_kfree (hi->ndev);
}
}
STATIC int __init
c4_hdw_init (struct pci_dev * pdev, int found)
{
hdw_info_t *hi;
int i;
int fun, slot;
unsigned char busno = 0xff;
/* our MUSYCC chip supports two functions, 0 & 1 */
if ((fun = PCI_FUNC (pdev->devfn)) > 1)
{
pr_warning("unexpected devfun: 0x%x\n", pdev->devfn);
return 0;
}
if (pdev->bus) /* obtain bus number */
busno = pdev->bus->number;
else
busno = 0; /* default for system PCI inconsistency */
slot = pdev->devfn & ~0x07;
/*
* Functions 0 & 1 for a given board (identified by same bus(busno) and
* slot(slot)) are placed into the same 'hardware' structure. The first
* part of the board's functionality will be placed into an unpopulated
* element, identified by "slot==(0xff)". The second part of a board's
* functionality will match the previously loaded slot/busno.
*/
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
/*
* match with board's first found interface, otherwise this is first
* found
*/
if ((hi->pci_slot == 0xff) || /* new board */
((hi->pci_slot == slot) && (hi->bus == pdev->bus)))
break; /* found for-loop exit */
}
if (i == MAX_BOARDS) /* no match in above loop means MAX
* exceeded */
{
pr_warning("exceeded number of allowed devices (>%d)?\n", MAX_BOARDS);
return 0;
}
if (pdev->bus)
hi->pci_busno = pdev->bus->number;
else
hi->pci_busno = 0; /* default for system PCI inconsistency */
hi->pci_slot = slot;
pci_read_config_byte (pdev, PCI_INTERRUPT_PIN, &hi->pci_pin[fun]);
pci_read_config_byte (pdev, PCI_REVISION_ID, &hi->revid[fun]);
hi->bus = pdev->bus;
hi->addr[fun] = pci_resource_start (pdev, 0);
hi->len[fun] = pci_resource_end (pdev, 0) - hi->addr[fun] + 1;
hi->pdev[fun] = pdev;
{
/*
* create device name from module name, plus add the appropriate
* board number
*/
char *cp = hi->devname;
strcpy (cp, KBUILD_MODNAME);
cp += strlen (cp); /* reposition */
*cp++ = '-';
*cp++ = '0' + (found / 2); /* there are two found interfaces per
* board */
*cp = 0; /* termination */
}
return 1;
}
status_t __init
c4hw_attach_all (void)
{
hdw_info_t *hi;
struct pci_dev *pdev = NULL;
int found = 0, i, j;
error_flag = 0;
prep_hdw_info ();
/*** scan PCI bus for all possible boards */
while ((pdev = pci_get_device (PCI_VENDOR_ID_CONEXANT,
PCI_DEVICE_ID_CN8474,
pdev)))
{
if (c4_hdw_init (pdev, found))
found++;
}
if (!found)
{
pr_warning("No boards found\n");
return ENODEV;
}
/* sanity check for consistent hardware found */
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
if (hi->pci_slot != 0xff && (!hi->addr[0] || !hi->addr[1]))
{
pr_warning("%s: something very wrong with pci_get_device\n",
hi->devname);
return EIO;
}
}
/* bring board's memory regions on/line */
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
if (hi->pci_slot == 0xff)
break;
for (j = 0; j < 2; j++)
{
if (request_mem_region (hi->addr[j], hi->len[j], hi->devname) == 0)
{
pr_warning("%s: memory in use, addr=0x%lx, len=0x%lx ?\n",
hi->devname, hi->addr[j], hi->len[j]);
cleanup_ioremap ();
return ENOMEM;
}
hi->addr_mapped[j] = (unsigned long) ioremap (hi->addr[j], hi->len[j]);
if (!hi->addr_mapped[j])
{
pr_warning("%s: ioremap fails, addr=0x%lx, len=0x%lx ?\n",
hi->devname, hi->addr[j], hi->len[j]);
cleanup_ioremap ();
return ENOMEM;
}
#ifdef SBE_MAP_DEBUG
pr_warning("%s: io remapped from phys %x to virt %x\n",
hi->devname, (u_int32_t) hi->addr[j], (u_int32_t) hi->addr_mapped[j]);
#endif
}
}
drvr_state = SBE_DRVR_AVAILABLE;
/* Have now memory mapped all boards. Now allow board's access to system */
for (i = 0, hi = hdw_info; i < MAX_BOARDS; i++, hi++)
{
if (hi->pci_slot == 0xff)
break;
if (pci_enable_device (hi->pdev[0]) ||
pci_enable_device (hi->pdev[1]))
{
drvr_state = SBE_DRVR_DOWN;
pr_warning("%s: failed to enable card %d slot %d\n",
hi->devname, i, hi->pci_slot);
cleanup_devs ();
cleanup_ioremap ();
return EIO;
}
pci_set_master (hi->pdev[0]);
pci_set_master (hi->pdev[1]);
if (!(hi->ndev = c4_add_dev (hi, i, (long) hi->addr_mapped[0],
(long) hi->addr_mapped[1],
hi->pdev[0]->irq,
hi->pdev[1]->irq)))
{
drvr_state = SBE_DRVR_DOWN;
cleanup_ioremap ();
/* NOTE: c4_add_dev() does its own device cleanup */
#if 0
cleanup_devs ();
#endif
return error_flag; /* error_flag set w/in add_dev() */
}
show_two (hi, i); /* displays found information */
}
return 0;
}
/*** End-of-File ***/
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