void
rtw_cardbus_setup(struct rtw_cardbus_softc *csc)
{
struct rtw_softc *sc = &csc->sc_rtw;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
pcireg_t reg;
int pmreg;
if (cardbus_get_capability(cc, cf, csc->sc_tag,
PCI_CAP_PWRMGMT, &pmreg, 0)) {
reg = cardbus_conf_read(cc, cf, csc->sc_tag, pmreg + 4) & 0x03;
#if 1 /* XXX Probably not right for CardBus. */
if (reg == 3) {
/*
* The card has lost all configuration data in
* this state, so punt.
*/
printf("%s: unable to wake up from power state D3\n",
sc->sc_dev.dv_xname);
return;
}
#endif
if (reg != 0) {
printf("%s: waking up from power state D%d\n",
sc->sc_dev.dv_xname, reg);
cardbus_conf_write(cc, cf, csc->sc_tag,
pmreg + 4, 0);
}
}
/* Program the BAR. */
cardbus_conf_write(cc, cf, csc->sc_tag, csc->sc_bar_reg,
csc->sc_bar_val);
/* Make sure the right access type is on the CardBus bridge. */
(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cben);
(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* Enable the appropriate bits in the PCI CSR. */
reg = cardbus_conf_read(cc, cf, csc->sc_tag,
CARDBUS_COMMAND_STATUS_REG);
reg &= ~(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MEM_ENABLE);
reg |= csc->sc_csr;
cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_COMMAND_STATUS_REG,
reg);
/*
* Make sure the latency timer is set to some reasonable
* value.
*/
reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG);
if (CARDBUS_LATTIMER(reg) < 0x20) {
reg &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
reg |= (0x20 << CARDBUS_LATTIMER_SHIFT);
cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG, reg);
}
}
void
re_cardbus_setup(struct re_cardbus_softc *csc)
{
struct rtk_softc *sc = &csc->sc_rtk;
cardbus_devfunc_t ct = csc->sc_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
pcireg_t reg, command;
int pmreg;
/*
* Handle power management nonsense.
*/
if (cardbus_get_capability(cc, cf, csc->sc_tag,
PCI_CAP_PWRMGMT, &pmreg, 0)) {
command = cardbus_conf_read(cc, cf, csc->sc_tag,
pmreg + PCI_PMCSR);
if (command & PCI_PMCSR_STATE_MASK) {
pcireg_t iobase, membase, irq;
/* Save important PCI config data. */
iobase = cardbus_conf_read(cc, cf, csc->sc_tag,
RTK_PCI_LOIO);
membase = cardbus_conf_read(cc, cf,csc->sc_tag,
RTK_PCI_LOMEM);
irq = cardbus_conf_read(cc, cf,csc->sc_tag,
CARDBUS_INTERRUPT_REG);
/* Reset the power state. */
aprint_normal_dev(sc->sc_dev,
"chip is in D%d power mode -- setting to D0\n",
command & PCI_PMCSR_STATE_MASK);
command &= ~PCI_PMCSR_STATE_MASK;
cardbus_conf_write(cc, cf, csc->sc_tag,
pmreg + PCI_PMCSR, command);
/* Restore PCI config data. */
cardbus_conf_write(cc, cf, csc->sc_tag,
RTK_PCI_LOIO, iobase);
cardbus_conf_write(cc, cf, csc->sc_tag,
RTK_PCI_LOMEM, membase);
cardbus_conf_write(cc, cf, csc->sc_tag,
CARDBUS_INTERRUPT_REG, irq);
}
}
/* Program the BAR */
cardbus_conf_write(cc, cf, csc->sc_tag,
csc->sc_bar_reg, csc->sc_bar_val);
/* Make sure the right access type is on the CardBus bridge. */
(*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cben);
(*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
/* Enable the appropriate bits in the CARDBUS CSR. */
reg = cardbus_conf_read(cc, cf, csc->sc_tag,
CARDBUS_COMMAND_STATUS_REG);
reg &= ~(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MEM_ENABLE);
reg |= csc->sc_csr;
cardbus_conf_write(cc, cf, csc->sc_tag,
CARDBUS_COMMAND_STATUS_REG, reg);
/*
* Make sure the latency timer is set to some reasonable
* value.
*/
reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG);
if (CARDBUS_LATTIMER(reg) < 0x40) {
reg &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT);
reg |= (0x40 << CARDBUS_LATTIMER_SHIFT);
cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG, reg);
}
}
void
puc_cardbus_attach(struct device *parent, struct device *self, void *aux)
{
struct puc_cardbus_softc *csc = (struct puc_cardbus_softc *)self;
struct puc_softc *sc = &csc->sc_psc;
struct cardbus_attach_args *ca = aux;
struct cardbus_devfunc *ct = ca->ca_ct;
cardbus_chipset_tag_t cc = ct->ct_cc;
cardbus_function_tag_t cf = ct->ct_cf;
struct puc_attach_args paa;
cardbusreg_t reg;
int i;
Cardbus_function_enable(ct);
csc->ct = ct;
reg = cardbus_conf_read(cc, cf, ca->ca_tag, PCI_SUBSYS_ID_REG);
sc->sc_desc = puc_find_description(PCI_VENDOR(ca->ca_id),
PCI_PRODUCT(ca->ca_id), PCI_VENDOR(reg), PCI_PRODUCT(reg));
puc_print_ports(sc->sc_desc);
/* the fifth one is some memory we dunno */
for (i = 0; i < PUC_NBARS; i++) {
cardbusreg_t type;
int bar;
sc->sc_bar_mappings[i].mapped = 0;
bar = PCI_MAPREG_START + 4 * i;
if (!cardbus_mapreg_probe(cc, cf, ca->ca_tag, bar, &type))
continue;
if (!(sc->sc_bar_mappings[i].mapped = !Cardbus_mapreg_map(ct,
bar, type, 0,
&sc->sc_bar_mappings[i].t, &sc->sc_bar_mappings[i].h,
&sc->sc_bar_mappings[i].a, &sc->sc_bar_mappings[i].s)))
printf("%s: couldn't map BAR at offset 0x%lx\n",
sc->sc_dev.dv_xname, (long)bar);
sc->sc_bar_mappings[i].type = type;
}
csc->intrline = ca->ca_intrline;
if (cardbus_get_capability(cc, cf, ca->ca_tag, PCI_CAP_PWRMGMT, ®,
0)) {
reg = cardbus_conf_read(cc, cf, ca->ca_tag, reg + 4) & 3;
if (reg) {
printf("%s: awakening from state D%d\n",
sc->sc_dev.dv_xname, reg);
cardbus_conf_write(cc, cf, ca->ca_tag, reg + 4, 0);
}
}
(*cf->cardbus_ctrl)(cc, CARDBUS_MEM_ENABLE);
(*cf->cardbus_ctrl)(cc, CARDBUS_IO_ENABLE);
(*cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE);
paa.puc = sc;
paa.hwtype = COM_UART_OX16C950; /* XXX */
paa.intr_string = &puc_cardbus_intr_string;
paa.intr_establish = &puc_cardbus_intr_establish;
puc_common_attach(sc, &paa);
}
