/* support only 16-bit word read from srom */
int
srom_read(uint bus, void *curmap, void *osh, uint byteoff, uint nbytes, uint16 *buf)
{
void *srom;
uint i, off, nw;
/* check input - 16-bit access only */
if (byteoff & 1 || nbytes & 1 || (byteoff + nbytes) > (SPROM_SIZE * 2))
return 1;
if (bus == PCI_BUS) {
if (!curmap)
return 1;
srom = (void *)((uint)curmap + PCI_BAR0_SPROM_OFFSET);
if (sprom_read_pci(srom, byteoff, buf, nbytes, FALSE))
return 1;
} else if (bus == PCMCIA_BUS) {
off = byteoff / 2;
nw = nbytes / 2;
for (i = 0; i < nw; i++) {
if (sprom_read_pcmcia(osh, (uint16)(off + i), (uint16*)(buf + i)))
return 1;
}
} else {
return 1;
}
return 0;
}
/* support only 16-bit word read from srom */
int
srom_read(uint bustype, void *curmap, void *osh, uint byteoff, uint nbytes, uint16 *buf)
{
void *srom;
uint i, off, nw;
ASSERT(bustype == BUSTYPE(bustype));
/* check input - 16-bit access only */
if (byteoff & 1 || nbytes & 1 || (byteoff + nbytes) > (SPROM_SIZE * 2))
return 1;
off = byteoff / 2;
nw = nbytes / 2;
if (BUSTYPE(bustype) == PCI_BUS) {
if (!curmap)
return 1;
srom = (uchar*)curmap + PCI_BAR0_SPROM_OFFSET;
if (sprom_read_pci(srom, off, buf, nw, FALSE))
return 1;
} else if (BUSTYPE(bustype) == PCMCIA_BUS) {
for (i = 0; i < nw; i++) {
if (sprom_read_pcmcia(osh, (uint16)(off + i), (uint16*)(buf + i)))
return 1;
}
} else {
return 1;
}
return 0;
}
static int
initvars_srom_pci(void *curmap, char **vars, int *count)
{
uint16 w, b[64];
uint8 sromrev;
struct ether_addr ea;
char eabuf[32];
int c, woff, i;
char *vp, *base;
if (sprom_read_pci((void *)((uint)curmap + PCI_BAR0_SPROM_OFFSET), 0, b, sizeof (b), TRUE))
return (-1);
/* top word of sprom contains version and crc8 */
sromrev = b[63] & 0xff;
if ((sromrev != 1) && (sromrev != 2)) {
return (-2);
}
ASSERT(vars);
ASSERT(count);
base = vp = MALLOC(VARS_MAX);
ASSERT(vp);
vp += sprintf(vp, "sromrev=%d", sromrev);
vp++;
if (sromrev >= 2) {
/* New section takes over the 4th hardware function space */
/* Word 28 is boardflags2 */
vp += sprintf(vp, "boardflags2=%d", b[28]);
vp++;
/* Word 29 is max power 11a high/low */
w = b[29];
vp += sprintf(vp, "pa1himaxpwr=%d", w & 0xff);
vp++;
vp += sprintf(vp, "pa1lomaxpwr=%d", (w >> 8) & 0xff);
vp++;
/* Words 30-32 set the 11alow pa settings,
* 33-35 are the 11ahigh ones.
*/
for (i = 0; i < 3; i++) {
vp += sprintf(vp, "pa1lob%d=%d", i, b[30 + i]);
vp++;
vp += sprintf(vp, "pa1hib%d=%d", i, b[33 + i]);
vp++;
}
w = b[59];
if (w == 0)
vp += sprintf(vp, "ccode=");
else
vp += sprintf(vp, "ccode=%c%c", (w >> 8), (w & 0xff));
vp++;
}
/* support only 16-bit word read from srom */
int
srom_read(si_t *sih, uint bustype, void *curmap,
uint byteoff, uint nbytes, u16 *buf, bool check_crc)
{
uint off, nw;
#ifdef BCMSDIO
uint i;
#endif /* BCMSDIO */
ASSERT(bustype == bustype);
/* check input - 16-bit access only */
if (byteoff & 1 || nbytes & 1 || (byteoff + nbytes) > SROM_MAX)
return 1;
off = byteoff / 2;
nw = nbytes / 2;
if (bustype == PCI_BUS) {
if (!curmap)
return 1;
if (si_is_sprom_available(sih)) {
u16 *srom;
srom = (u16 *) SROM_OFFSET(sih);
if (srom == NULL)
return 1;
if (sprom_read_pci
(sih, srom, off, buf, nw, check_crc))
return 1;
}
#if defined(BCMNVRAMR)
else {
if (otp_read_pci(sih, buf, SROM_MAX))
return 1;
}
#endif
#ifdef BCMSDIO
} else if (bustype == SDIO_BUS) {
off = byteoff / 2;
nw = nbytes / 2;
for (i = 0; i < nw; i++) {
if (sprom_read_sdio
((u16) (off + i), (u16 *) (buf + i)))
return 1;
}
#endif /* BCMSDIO */
} else if (bustype == SI_BUS) {
return 1;
} else {
return 1;
}
return 0;
}
/*
* Initialize nonvolatile variable table from sprom.
* Return 0 on success, nonzero on error.
*/
static int
initvars_srom_pci(void *sbh, void *curmap, char **vars, uint *count)
{
uint16 w, *b;
uint8 sromrev = 0;
struct ether_addr ea;
char eabuf[32];
uint32 w32;
int woff, i;
char *vp, *base;
osl_t *osh = sb_osh(sbh);
bool flash = FALSE;
char name[SB_DEVPATH_BUFSZ+16], *value;
char devpath[SB_DEVPATH_BUFSZ];
int err;
/*
* Apply CRC over SROM content regardless SROM is present or not,
* and use variable <devpath>sromrev's existance in flash to decide
* if we should return an error when CRC fails or read SROM variables
* from flash.
*/
b = MALLOC(osh, SROM_MAX);
ASSERT(b);
if (!b)
return -2;
err = sprom_read_pci(osh, (void*)((int8*)curmap + PCI_BAR0_SPROM_OFFSET), 0, b,
64, TRUE);
if (b[SROM4_SIGN] == SROM4_SIGNATURE) {
/* sromrev >= 4, read more */
err = sprom_read_pci(osh, (void*)((int8*)curmap + PCI_BAR0_SPROM_OFFSET), 0, b, SROM4_WORDS, TRUE);
sromrev = b[SROM4_WORDS - 1] & 0xff;
} else if (err == 0) {
/* srom is good and is rev < 4 */
/* top word of sprom contains version and crc8 */
sromrev = b[63] & 0xff;
/* bcm4401 sroms misprogrammed */
if (sromrev == 0x10)
sromrev = 1;
}
if (err) {
#ifdef WLTEST
BS_ERROR(("SROM Crc Error, so see if we could use a default\n"));
w32 = OSL_PCI_READ_CONFIG(osh, PCI_SPROM_CONTROL, sizeof(uint32));
if (w32 & SPROM_OTPIN_USE) {
BS_ERROR(("srom crc failed with OTP, use default vars....\n"));
vp = base = mfgsromvars;
if (sb_chip(sbh) == BCM4311_CHIP_ID) {
BS_ERROR(("setting the devid to be 4311\n"));
vp += sprintf(vp, "devid=0x4311");
vp++;
}
bcopy(defaultsromvars, vp, MFGSROM_DEFVARSLEN);
vp += MFGSROM_DEFVARSLEN;
goto varsdone;
} else {
BS_ERROR(("srom crc failed with SPROM....\n"));
#endif /* WLTEST */
if ((err = sb_devpath(sbh, devpath, sizeof(devpath))))
return err;
sprintf(name, "%ssromrev", devpath);
if (!(value = getvar(NULL, name)))
return (-1);
sromrev = (uint8)bcm_strtoul(value, NULL, 0);
flash = TRUE;
#ifdef WLTEST
}
#endif /* WLTEST */
}
/* srom version check */
if (sromrev > 4)
return (-2);
ASSERT(vars);
ASSERT(count);
base = vp = MALLOC(osh, VARS_MAX);
ASSERT(vp);
if (!vp)
return -2;
/* read variables from flash */
if (flash) {
if ((err = initvars_flash(osh, &vp, VARS_MAX, devpath)))
goto err;
goto varsdone;
}
vp += sprintf(vp, "sromrev=%d", sromrev);
vp++;
if (sromrev >= 4) {
uint path, pathbase;
const uint pathbases[MAX_PATH] = {SROM4_PATH0, SROM4_PATH1,
SROM4_PATH2, SROM4_PATH3};
vp += sprintf(vp, "boardrev=%d", b[SROM4_BREV]);
vp++;
vp += sprintf(vp, "boardflags=%d", (b[SROM4_BFL1] << 16) | b[SROM4_BFL0]);
vp++;
vp += sprintf(vp, "boardflags2=%d", (b[SROM4_BFL3] << 16) | b[SROM4_BFL2]);
vp++;
/* The macaddr */
ea.octet[0] = (b[SROM4_MACHI] >> 8) & 0xff;
ea.octet[1] = b[SROM4_MACHI] & 0xff;
ea.octet[2] = (b[SROM4_MACMID] >> 8) & 0xff;
ea.octet[3] = b[SROM4_MACMID] & 0xff;
ea.octet[4] = (b[SROM4_MACLO] >> 8) & 0xff;
ea.octet[5] = b[SROM4_MACLO] & 0xff;
bcm_ether_ntoa(&ea, eabuf);
vp += sprintf(vp, "macaddr=%s", eabuf);
vp++;
w = b[SROM4_CCODE];
if (w == 0)
vp += sprintf(vp, "ccode=");
else
vp += sprintf(vp, "ccode=%c%c", (w >> 8), (w & 0xff));
vp++;
vp += sprintf(vp, "regrev=%d", b[SROM4_REGREV]);
vp++;
w = b[SROM4_LEDBH10];
if ((w != 0) && (w != 0xffff)) {
/* ledbh0 */
vp += sprintf(vp, "ledbh0=%d", (w & 0xff));
vp++;
/* ledbh1 */
vp += sprintf(vp, "ledbh1=%d", (w >> 8) & 0xff);
vp++;
}