/* set the core to socram run bist and return bist status back */
int
si_bist_socram(si_t *sih, uint32 *biststatus)
{
si_info_t *sii;
uint origidx;
uint intr_val = 0;
sbsocramregs_t *regs;
int error = 0;
uint status = 0;
SI_ERROR(("doing the bist on SOCRAM\n"));
sii = SI_INFO(sih);
/* Block ints and save current core */
INTR_OFF(sii, intr_val);
origidx = si_coreidx(sih);
/* Switch to SOCRAM core */
if (!(regs = si_setcore(sih, SOCRAM_CORE_ID, 0)))
goto done;
si_core_reset(sih, SICF_BIST_EN, SICF_BIST_EN);
/* Wait for bist done */
SPINWAIT(((si_core_sflags(sih, 0, 0) & SISF_BIST_DONE) == 0), 100000);
status = si_core_sflags(sih, 0, 0);
if (status & SISF_BIST_DONE) {
if (status & SISF_BIST_ERROR) {
*biststatus = R_REG(sii->osh, ®s->biststat);
/* hnd_bist gives errors for ROM bist test, so ignore it */
*biststatus &= 0xFFFF;
if (!*biststatus)
error = 0;
else
error = 1;
}
}
si_core_reset(sih, 0, 0);
/* Return to previous state and core */
si_setcoreidx(sih, origidx);
done:
INTR_RESTORE(sii, intr_val);
return error;
}
/* Run bist on current core. Caller needs to take care of core-specific bist hazards */
int
si_corebist(si_t *sih)
{
uint32 cflags;
int result = 0;
/* Read core control flags */
cflags = si_core_cflags(sih, 0, 0);
/* Set bist & fgc */
si_core_cflags(sih, 0, (SICF_BIST_EN | SICF_FGC));
/* Wait for bist done */
SPINWAIT(((si_core_sflags(sih, 0, 0) & SISF_BIST_DONE) == 0), 100000);
if (si_core_sflags(sih, 0, 0) & SISF_BIST_ERROR)
result = BCME_ERROR;
/* Reset core control flags */
si_core_cflags(sih, 0xffff, cflags);
return result;
}
int
si_bist_d11(si_t *sih, uint32 *biststatus1, uint32 *biststatus2)
{
si_info_t *sii;
uint origidx;
uint intr_val = 0;
void *regs;
int error = 0;
bool wasup;
uint32 offset = SBCONFIGOFF + SBTMSTATELOW;
uint32 max_res_mask;
uint32 pmu_ctrl;
*biststatus1 = 0;
*biststatus2 = 0;
SI_ERROR(("doing the bist on D11\n"));
sii = SI_INFO(sih);
if (CHIPTYPE(sih->socitype) != SOCI_SB) {
return 0;
}
/* Block ints and save current core */
INTR_OFF(sii, intr_val);
origidx = si_coreidx(sih);
/* Switch to D11 core */
if (!(regs = si_setcore(sih, D11_CORE_ID, 0)))
goto done;
/* Get info for determining size */
/* coming out of reset device shoudl have clk enabled, bw set, etc */
if (!(wasup = si_iscoreup(sih)))
si_core_reset(sih, 0x4F, 0x4F);
max_res_mask = si_corereg(sih, 0, OFFSETOF(chipcregs_t, max_res_mask), 0, 0);
si_corereg(sih, 0, OFFSETOF(chipcregs_t, max_res_mask), ~0, 0x3fffff);
if (si_corerev(&sii->pub) == 20) {
uint32 phy_reset_val;
uint32 bist_test_val, bist_status;
/* XXX: enable the phy PLL */
pmu_ctrl = si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, 0, 0);
pmu_ctrl |= 0x000010000;
si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, ~0, pmu_ctrl);
SPINWAIT(((si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, 0, 0) & 0x01000000) == 0),
1000000);
pmu_ctrl = si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, 0, 0);
/* take the phy out of reset */
phy_reset_val = si_corereg(sih, si_coreidx(&sii->pub), offset, 0, 0);
phy_reset_val &= ~(0x0008 << SBTML_SICF_SHIFT);
si_corereg(sih, si_coreidx(&sii->pub), offset, ~0, phy_reset_val);
phy_reset_val = si_corereg(sih, si_coreidx(&sii->pub), offset, 0, 0);
/* enable bist first */
bist_test_val = si_corereg(sih, si_coreidx(&sii->pub), offset, 0, 0);
bist_test_val |= (SICF_BIST_EN << 16);
si_corereg(sih, si_coreidx(&sii->pub), offset, ~0, bist_test_val);
SPINWAIT(((si_core_sflags(sih, 0, 0) & SISF_BIST_DONE) == 0), 1000000);
bist_status = si_core_sflags(sih, 0, 0);
SI_ERROR(("status are 0x%08x\n", bist_status));
if (bist_status & SISF_BIST_DONE) {
if (bist_status & SISF_BIST_ERROR) {
error = 1;
*biststatus1 = si_corereg(sih, si_coreidx(&sii->pub), 12, 0, 0);
*biststatus2 = si_corereg(sih, si_coreidx(&sii->pub), 16, 0, 0);
}
}
/* stop the phy pll */
pmu_ctrl = si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, 0, 0);
pmu_ctrl &= ~0x10000;
si_corereg(sih, si_coreidx(&sii->pub), 0x1e8, ~0, pmu_ctrl);
}
/* remove the resource mask */
si_corereg(sih, 0, OFFSETOF(chipcregs_t, max_res_mask), ~0, max_res_mask);
/* Return to previous state and core */
if (!wasup)
si_core_disable(sih, 0);
/* Return to previous state and core */
si_setcoreidx(sih, origidx);
done:
INTR_RESTORE(sii, intr_val);
return error;
}
struct hnddma_pub *dma_attach(struct osl_info *osh, char *name, si_t *sih,
void *dmaregstx, void *dmaregsrx, uint ntxd,
uint nrxd, uint rxbufsize, int rxextheadroom,
uint nrxpost, uint rxoffset, uint *msg_level)
{
dma_info_t *di;
uint size;
/* allocate private info structure */
di = kzalloc(sizeof(dma_info_t), GFP_ATOMIC);
if (di == NULL) {
#ifdef BCMDBG
printf("dma_attach: out of memory\n");
#endif
return NULL;
}
di->msg_level = msg_level ? msg_level : &dma_msg_level;
/* old chips w/o sb is no longer supported */
ASSERT(sih != NULL);
di->dma64 = ((si_core_sflags(sih, 0, 0) & SISF_DMA64) == SISF_DMA64);
/* check arguments */
ASSERT(ISPOWEROF2(ntxd));
ASSERT(ISPOWEROF2(nrxd));
if (nrxd == 0)
ASSERT(dmaregsrx == NULL);
if (ntxd == 0)
ASSERT(dmaregstx == NULL);
/* init dma reg pointer */
ASSERT(ntxd <= D64MAXDD);
ASSERT(nrxd <= D64MAXDD);
di->d64txregs = (dma64regs_t *) dmaregstx;
di->d64rxregs = (dma64regs_t *) dmaregsrx;
di->hnddma.di_fn = (const di_fcn_t *)&dma64proc;
/* Default flags (which can be changed by the driver calling dma_ctrlflags
* before enable): For backwards compatibility both Rx Overflow Continue
* and Parity are DISABLED.
* supports it.
*/
di->hnddma.di_fn->ctrlflags(&di->hnddma, DMA_CTRL_ROC | DMA_CTRL_PEN,
0);
DMA_TRACE(("%s: dma_attach: %s osh %p flags 0x%x ntxd %d nrxd %d "
"rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d "
"dmaregstx %p dmaregsrx %p\n", name, "DMA64", osh,
di->hnddma.dmactrlflags, ntxd, nrxd, rxbufsize,
rxextheadroom, nrxpost, rxoffset, dmaregstx, dmaregsrx));
/* make a private copy of our callers name */
strncpy(di->name, name, MAXNAMEL);
di->name[MAXNAMEL - 1] = '\0';
di->osh = osh;
di->sih = sih;
/* save tunables */
di->ntxd = (u16) ntxd;
di->nrxd = (u16) nrxd;
/* the actual dma size doesn't include the extra headroom */
di->rxextrahdrroom =
(rxextheadroom == -1) ? BCMEXTRAHDROOM : rxextheadroom;
if (rxbufsize > BCMEXTRAHDROOM)
di->rxbufsize = (u16) (rxbufsize - di->rxextrahdrroom);
else
di->rxbufsize = (u16) rxbufsize;
di->nrxpost = (u16) nrxpost;
di->rxoffset = (u8) rxoffset;
/*
* figure out the DMA physical address offset for dd and data
* PCI/PCIE: they map silicon backplace address to zero based memory, need offset
* Other bus: use zero
* SI_BUS BIGENDIAN kludge: use sdram swapped region for data buffer, not descriptor
*/
di->ddoffsetlow = 0;
di->dataoffsetlow = 0;
/* for pci bus, add offset */
if (sih->bustype == PCI_BUS) {
/* pcie with DMA64 */
di->ddoffsetlow = 0;
di->ddoffsethigh = SI_PCIE_DMA_H32;
di->dataoffsetlow = di->ddoffsetlow;
di->dataoffsethigh = di->ddoffsethigh;
}
#if defined(__mips__) && defined(IL_BIGENDIAN)
di->dataoffsetlow = di->dataoffsetlow + SI_SDRAM_SWAPPED;
#endif /* defined(__mips__) && defined(IL_BIGENDIAN) */
/* WAR64450 : DMACtl.Addr ext fields are not supported in SDIOD core. */
if ((si_coreid(sih) == SDIOD_CORE_ID)
&& ((si_corerev(sih) > 0) && (si_corerev(sih) <= 2)))
di->addrext = 0;
else if ((si_coreid(sih) == I2S_CORE_ID) &&
((si_corerev(sih) == 0) || (si_corerev(sih) == 1)))
di->addrext = 0;
else
di->addrext = _dma_isaddrext(di);
/* does the descriptors need to be aligned and if yes, on 4K/8K or not */
di->aligndesc_4k = _dma_descriptor_align(di);
if (di->aligndesc_4k) {
di->dmadesc_align = D64RINGALIGN_BITS;
if ((ntxd < D64MAXDD / 2) && (nrxd < D64MAXDD / 2)) {
/* for smaller dd table, HW relax alignment reqmnt */
di->dmadesc_align = D64RINGALIGN_BITS - 1;
}
} else
di->dmadesc_align = 4; /* 16 byte alignment */
DMA_NONE(("DMA descriptor align_needed %d, align %d\n",
di->aligndesc_4k, di->dmadesc_align));
/* allocate tx packet pointer vector */
if (ntxd) {
size = ntxd * sizeof(void *);
di->txp = kzalloc(size, GFP_ATOMIC);
if (di->txp == NULL) {
DMA_ERROR(("%s: dma_attach: out of tx memory\n", di->name));
goto fail;
}
}
/* allocate rx packet pointer vector */
if (nrxd) {
size = nrxd * sizeof(void *);
di->rxp = kzalloc(size, GFP_ATOMIC);
if (di->rxp == NULL) {
DMA_ERROR(("%s: dma_attach: out of rx memory\n", di->name));
goto fail;
}
}
/* allocate transmit descriptor ring, only need ntxd descriptors but it must be aligned */
if (ntxd) {
if (!_dma_alloc(di, DMA_TX))
goto fail;
}
/* allocate receive descriptor ring, only need nrxd descriptors but it must be aligned */
if (nrxd) {
if (!_dma_alloc(di, DMA_RX))
goto fail;
}
if ((di->ddoffsetlow != 0) && !di->addrext) {
if (PHYSADDRLO(di->txdpa) > SI_PCI_DMA_SZ) {
DMA_ERROR(("%s: dma_attach: txdpa 0x%x: addrext not supported\n", di->name, (u32) PHYSADDRLO(di->txdpa)));
goto fail;
}
if (PHYSADDRLO(di->rxdpa) > SI_PCI_DMA_SZ) {
DMA_ERROR(("%s: dma_attach: rxdpa 0x%x: addrext not supported\n", di->name, (u32) PHYSADDRLO(di->rxdpa)));
goto fail;
}
}
DMA_TRACE(("ddoffsetlow 0x%x ddoffsethigh 0x%x dataoffsetlow 0x%x dataoffsethigh " "0x%x addrext %d\n", di->ddoffsetlow, di->ddoffsethigh, di->dataoffsetlow, di->dataoffsethigh, di->addrext));
/* allocate DMA mapping vectors */
if (DMASGLIST_ENAB) {
if (ntxd) {
size = ntxd * sizeof(hnddma_seg_map_t);
di->txp_dmah = kzalloc(size, GFP_ATOMIC);
if (di->txp_dmah == NULL)
goto fail;
}
if (nrxd) {
size = nrxd * sizeof(hnddma_seg_map_t);
di->rxp_dmah = kzalloc(size, GFP_ATOMIC);
if (di->rxp_dmah == NULL)
goto fail;
}
}
return (struct hnddma_pub *) di;
fail:
_dma_detach(di);
return NULL;
}
