void
brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u32 drivestrength)
{
struct sdiod_drive_str *str_tab = NULL;
u32 str_mask = 0;
u32 str_shift = 0;
char chn[8];
u32 base = ci->c_inf[0].base;
if (!(ci->c_inf[0].caps & CC_CAP_PMU))
return;
switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = (struct sdiod_drive_str *)&sdiod_drvstr_tab1_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
default:
brcmf_dbg(ERROR, "No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
brcmf_sdio_chip_name(ci->chip, chn, 8),
ci->chiprev, ci->pmurev);
break;
}
if (str_tab != NULL) {
u32 drivestrength_sel = 0;
u32 cc_data_temp;
int i;
for (i = 0; str_tab[i].strength != 0; i++) {
if (drivestrength >= str_tab[i].strength) {
drivestrength_sel = str_tab[i].sel;
break;
}
}
brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr),
1, NULL);
cc_data_temp =
brcmf_sdio_regrl(sdiodev,
CORE_CC_REG(base, chipcontrol_addr),
NULL);
cc_data_temp &= ~str_mask;
drivestrength_sel <<= str_shift;
cc_data_temp |= drivestrength_sel;
brcmf_sdio_regwl(sdiodev, CORE_CC_REG(base, chipcontrol_addr),
cc_data_temp, NULL);
brcmf_dbg(INFO, "SDIO: %dmA drive strength selected, set to 0x%08x\n",
drivestrength, cc_data_temp);
}
}
void
si_sdiod_drive_strength_init(si_t *sih, osl_t *osh, uint32 drivestrength)
{
chipcregs_t *cc;
uint origidx, intr_val = 0;
sdiod_drive_str_t *str_tab = NULL;
uint32 str_mask = 0;
uint32 str_shift = 0;
if (!(sih->cccaps & CC_CAP_PMU)) {
return;
}
/* Remember original core before switch to chipc */
cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx, &intr_val);
switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
str_mask = 0x30000000;
str_shift = 28;
break;
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
case SDIOD_DRVSTR_KEY(BCM4315_CHIP_ID, 4):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 11):
if (sih->pmurev == 8) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab3;
}
else if (sih->pmurev == 11) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
}
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43362_CHIP_ID, 13):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab5_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
default:
PMU_MSG(("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
bcm_chipname(sih->chip, chn, 8), sih->chiprev, sih->pmurev));
break;
}
if (str_tab != NULL) {
uint32 cc_data_temp;
int i;
/* Pick the lowest available drive strength equal or greater than the
* requested strength. Drive strength of 0 requests tri-state.
*/
for (i = 0; drivestrength < str_tab[i].strength; i++)
;
if (i > 0 && drivestrength > str_tab[i].strength)
i--;
W_REG(osh, &cc->chipcontrol_addr, 1);
cc_data_temp = R_REG(osh, &cc->chipcontrol_data);
cc_data_temp &= ~str_mask;
cc_data_temp |= str_tab[i].sel << str_shift;
W_REG(osh, &cc->chipcontrol_data, cc_data_temp);
PMU_MSG(("SDIO: %dmA drive strength requested; set to %dmA\n",
drivestrength, str_tab[i].strength));
}
/* Return to original core */
si_restore_core(sih, origidx, intr_val);
}
void
si_sdiod_drive_strength_init(si_t *sih, osl_t *osh, uint32 drivestrength)
{
chipcregs_t *cc;
uint origidx, intr_val = 0;
sdiod_drive_str_t *str_tab = NULL;
uint32 str_mask = 0;
uint32 str_shift = 0;
if (!(sih->cccaps & CC_CAP_PMU)) {
return;
}
/* Remember original core before switch to chipc */
cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx, &intr_val);
switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
str_mask = 0x30000000;
str_shift = 28;
break;
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
case SDIOD_DRVSTR_KEY(BCM4315_CHIP_ID, 4):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
str_mask = 0x00003800;
str_shift = 11;
break;
default:
PMU_MSG(("No SDIO Drive strength init done for chip %x rev %d pmurev %d\n",
sih->chip, sih->chiprev, sih->pmurev));
break;
}
if (str_tab != NULL) {
uint32 drivestrength_sel = 0;
uint32 cc_data_temp;
int i;
for (i = 0; str_tab[i].strength != 0; i ++) {
if (drivestrength >= str_tab[i].strength) {
drivestrength_sel = str_tab[i].sel;
break;
}
}
W_REG(osh, &cc->chipcontrol_addr, 1);
cc_data_temp = R_REG(osh, &cc->chipcontrol_data);
cc_data_temp &= ~str_mask;
drivestrength_sel <<= str_shift;
cc_data_temp |= drivestrength_sel;
W_REG(osh, &cc->chipcontrol_data, cc_data_temp);
PMU_MSG(("SDIO: %dmA drive strength selected, set to 0x%08x\n",
drivestrength, cc_data_temp));
}
/* Return to original core */
si_restore_core(sih, origidx, intr_val);
}
/**
* Balance between stable SDIO operation and power consumption is achieved using this function.
* Note that each drive strength table is for a specific VDDIO of the SDIO pads, ideally this
* function should read the VDDIO itself to select the correct table. For now it has been solved
* with the 'BCM_SDIO_VDDIO' preprocessor constant.
*
* 'drivestrength': desired pad drive strength in mA. Drive strength of 0 requests tri-state (if
* hardware supports this), if no hw support drive strength is not programmed.
*/
void
si_sdiod_drive_strength_init(si_t *sih, osl_t *osh, uint32 drivestrength)
{
chipcregs_t *cc;
uint origidx, intr_val = 0;
sdiod_drive_str_t *str_tab = NULL;
uint32 str_mask = 0; /* only alter desired bits in PMU chipcontrol 1 register */
uint32 str_shift = 0;
uint32 str_ovr_pmuctl = PMU_CHIPCTL0; /* PMU chipcontrol register containing override bit */
uint32 str_ovr_pmuval = 0; /* position of bit within this register */
if (!(sih->cccaps & CC_CAP_PMU)) {
return;
}
/* Remember original core before switch to chipc */
cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx, &intr_val);
switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
str_mask = 0x30000000;
str_shift = 28;
break;
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
case SDIOD_DRVSTR_KEY(BCM4315_CHIP_ID, 4):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 11):
if (sih->pmurev == 8) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab3;
}
else if (sih->pmurev == 11) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
}
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43362_CHIP_ID, 13):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab5_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab6_1v8;
str_mask = 0x00001800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):
#if !defined(BCM_SDIO_VDDIO) || BCM_SDIO_VDDIO == 33
if (drivestrength >= ARRAYLAST(sdiod_drive_strength_tab7_3v3)->strength) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab7_3v3;
}
#else
if (drivestrength >= ARRAYLAST(sdiod_drive_strength_tab7_1v8)->strength) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab7_1v8;
}
#endif /* BCM_SDIO_VDDIO */
str_mask = 0x00000007;
str_ovr_pmuval = PMU43143_CC0_SDIO_DRSTR_OVR;
break;
default:
PMU_MSG(("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
bcm_chipname(sih->chip, chn, 8), sih->chiprev, sih->pmurev));
break;
}
if (str_tab != NULL && cc != NULL) {
uint32 cc_data_temp;
int i;
/* Pick the lowest available drive strength equal or greater than the
* requested strength. Drive strength of 0 requests tri-state.
*/
for (i = 0; drivestrength < str_tab[i].strength; i++)
;
if (i > 0 && drivestrength > str_tab[i].strength)
i--;
W_REG(osh, &cc->chipcontrol_addr, PMU_CHIPCTL1);
cc_data_temp = R_REG(osh, &cc->chipcontrol_data);
cc_data_temp &= ~str_mask;
cc_data_temp |= str_tab[i].sel << str_shift;
W_REG(osh, &cc->chipcontrol_data, cc_data_temp);
if (str_ovr_pmuval) { /* enables the selected drive strength */
W_REG(osh, &cc->chipcontrol_addr, str_ovr_pmuctl);
OR_REG(osh, &cc->chipcontrol_data, str_ovr_pmuval);
}
PMU_MSG(("SDIO: %dmA drive strength requested; set to %dmA\n",
drivestrength, str_tab[i].strength));
}
/* Return to original core */
si_restore_core(sih, origidx, intr_val);
} /* si_sdiod_drive_strength_init */
void
si_sdiod_drive_strength_init(si_t *sih, osl_t *osh, uint32 drivestrength)
{
chipcregs_t *cc;
uint origidx, intr_val = 0;
sdiod_drive_str_t *str_tab = NULL;
uint32 str_mask = 0;
uint32 str_shift = 0;
uint32 str_ovr_pmuctl = PMU_CHIPCTL0;
uint32 str_ovr_pmuval = 0;
if (!(sih->cccaps & CC_CAP_PMU)) {
return;
}
cc = (chipcregs_t *) si_switch_core(sih, CC_CORE_ID, &origidx, &intr_val);
switch (SDIOD_DRVSTR_KEY(sih->chip, sih->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 1):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab1;
str_mask = 0x30000000;
str_shift = 28;
break;
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 2):
case SDIOD_DRVSTR_KEY(BCM4325_CHIP_ID, 3):
case SDIOD_DRVSTR_KEY(BCM4315_CHIP_ID, 4):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab2;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 8):
case SDIOD_DRVSTR_KEY(BCM4336_CHIP_ID, 11):
if (sih->pmurev == 8) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab3;
}
else if (sih->pmurev == 11) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
}
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab4_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43362_CHIP_ID, 13):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab5_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17):
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab6_1v8;
str_mask = 0x00001800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):
#if !defined(BCM_SDIO_VDDIO) || BCM_SDIO_VDDIO == 33
if (drivestrength >= ARRAYLAST(sdiod_drive_strength_tab7_3v3)->strength) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab7_3v3;
}
#else
if (drivestrength >= ARRAYLAST(sdiod_drive_strength_tab7_1v8)->strength) {
str_tab = (sdiod_drive_str_t *)&sdiod_drive_strength_tab7_1v8;
}
#endif
str_mask = 0x00000007;
str_ovr_pmuval = PMU43143_CC0_SDIO_DRSTR_OVR;
break;
default:
PMU_MSG(("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
bcm_chipname(sih->chip, chn, 8), sih->chiprev, sih->pmurev));
break;
}
if (str_tab != NULL && cc != NULL) {
uint32 cc_data_temp;
int i;
for (i = 0; drivestrength < str_tab[i].strength; i++)
;
if (i > 0 && drivestrength > str_tab[i].strength)
i--;
if( cc!= NULL )
{
W_REG(osh, &cc->chipcontrol_addr, PMU_CHIPCTL1);
cc_data_temp = R_REG(osh, &cc->chipcontrol_data);
cc_data_temp &= ~str_mask;
cc_data_temp |= str_tab[i].sel << str_shift;
W_REG(osh, &cc->chipcontrol_data, cc_data_temp);
if (str_ovr_pmuval) {
W_REG(osh, &cc->chipcontrol_addr, str_ovr_pmuctl);
OR_REG(osh, &cc->chipcontrol_data, str_ovr_pmuval);
}
PMU_MSG(("SDIO: %dmA drive strength requested; set to %dmA\n",
drivestrength, str_tab[i].strength));
}
}
si_restore_core(sih, origidx, intr_val);
}
void
brcmf_sdio_chip_drivestrengthinit(struct brcmf_sdio_dev *sdiodev,
struct brcmf_chip *ci, u32 drivestrength)
{
const struct sdiod_drive_str *str_tab = NULL;
u32 str_mask;
u32 str_shift;
char chn[8];
u32 base = ci->c_inf[0].base;
u32 i;
u32 drivestrength_sel = 0;
u32 cc_data_temp;
u32 addr;
if (!(ci->c_inf[0].caps & CC_CAP_PMU))
return;
switch (SDIOD_DRVSTR_KEY(ci->chip, ci->pmurev)) {
case SDIOD_DRVSTR_KEY(BCM4330_CHIP_ID, 12):
str_tab = sdiod_drvstr_tab1_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM4334_CHIP_ID, 17):
str_tab = sdiod_drvstr_tab6_1v8;
str_mask = 0x00001800;
str_shift = 11;
break;
case SDIOD_DRVSTR_KEY(BCM43143_CHIP_ID, 17):
/* note: 43143 does not support tristate */
i = ARRAY_SIZE(sdiod_drvstr_tab2_3v3) - 1;
if (drivestrength >= sdiod_drvstr_tab2_3v3[i].strength) {
str_tab = sdiod_drvstr_tab2_3v3;
str_mask = 0x00000007;
str_shift = 0;
} else
brcmf_err("Invalid SDIO Drive strength for chip %s, strength=%d\n",
brcmf_sdio_chip_name(ci->chip, chn, 8),
drivestrength);
break;
case SDIOD_DRVSTR_KEY(BCM43362_CHIP_ID, 13):
str_tab = sdiod_drive_strength_tab5_1v8;
str_mask = 0x00003800;
str_shift = 11;
break;
default:
brcmf_err("No SDIO Drive strength init done for chip %s rev %d pmurev %d\n",
brcmf_sdio_chip_name(ci->chip, chn, 8),
ci->chiprev, ci->pmurev);
break;
}
if (str_tab != NULL) {
for (i = 0; str_tab[i].strength != 0; i++) {
if (drivestrength >= str_tab[i].strength) {
drivestrength_sel = str_tab[i].sel;
break;
}
}
addr = CORE_CC_REG(base, chipcontrol_addr);
brcmf_sdiod_regwl(sdiodev, addr, 1, NULL);
cc_data_temp = brcmf_sdiod_regrl(sdiodev, addr, NULL);
cc_data_temp &= ~str_mask;
drivestrength_sel <<= str_shift;
cc_data_temp |= drivestrength_sel;
brcmf_sdiod_regwl(sdiodev, addr, cc_data_temp, NULL);
brcmf_dbg(INFO, "SDIO: %d mA (req=%d mA) drive strength selected, set to 0x%08x\n",
str_tab[i].strength, drivestrength, cc_data_temp);
}
}
