long
board_init(void)
{
/* Setup Ethernet Pins */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, 1<<7, 0);
at91_pio_gpio_input(AT91SAM9G20_PIOA_BASE, 1<<7);
at91_pio_gpio_set_deglitch(AT91SAM9G20_PIOA_BASE, 1<<7, 1);
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA19, 0); /* ETXCK_EREFCK */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA17, 0); /* ERXDV */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA14, 0); /* ERX0 */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA15, 0); /* ERX1 */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA18, 0); /* ERXER */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA16, 0); /* ETXEN */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA12, 0); /* ETX0 */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA13, 0); /* ETX1 */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA21, 0); /* EMDIO */
at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA20, 0); /* EMDC */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA28, 0); /* ECRS */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA29, 0); /* ECOL */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA25, 0); /* ERX2 */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA26, 0); /* ERX3 */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA27, 0); /* ERXCK */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA23, 0); /* ETX2 */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA24, 0); /* ETX3 */
at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA22, 0); /* ETXER */
return (at91_ramsize());
}
static int
pinctrl_configure_pins(device_t bus, phandle_t cfgxref)
{
struct pinctrl_softc *sc;
struct pincfg *cfg, *cfgdata;
char name[32];
phandle_t node;
ssize_t npins;
int i;
sc = device_get_softc(bus);
node = OF_node_from_xref(cfgxref);
memset(name, 0, sizeof(name));
OF_getprop(node, "name", name, sizeof(name));
npins = OF_getencprop_alloc(node, "atmel,pins", sizeof(*cfgdata),
(void **)&cfgdata);
if (npins < 0) {
printf("We're doing it wrong %s\n", name);
return (ENXIO);
}
if (npins == 0)
return (0);
for (i = 0, cfg = cfgdata; i < npins; i++, cfg++) {
uint32_t pio;
pio = (0xfffffff & sc->ranges[0].bus) + 0x200 * cfg->unit;
printf("P%c%d %s %#x\n", cfg->unit + 'A', cfg->pin,
periphs[cfg->periph], cfg->flags);
switch (cfg->periph) {
case 0:
at91_pio_use_gpio(pio, 1u << cfg->pin);
at91_pio_gpio_pullup(pio, 1u << cfg->pin,
!!(cfg->flags & 1));
at91_pio_gpio_high_z(pio, 1u << cfg->pin,
!!(cfg->flags & 2));
at91_pio_gpio_set_deglitch(pio,
1u << cfg->pin, !!(cfg->flags & 4));
// at91_pio_gpio_pulldown(pio, 1u << cfg->pin,
// !!(cfg->flags & 8));
// at91_pio_gpio_dis_schmidt(pio,
// 1u << cfg->pin, !!(cfg->flags & 16));
break;
case 1:
at91_pio_use_periph_a(pio, 1u << cfg->pin, cfg->flags);
break;
case 2:
at91_pio_use_periph_b(pio, 1u << cfg->pin, cfg->flags);
break;
}
}
OF_prop_free(cfgdata);
return (0);
}
static int
at91_udp_attach(device_t dev)
{
struct at91_udp_softc *sc = device_get_softc(dev);
int err;
int rid;
/* setup AT9100 USB device controller interface softc */
sc->sc_dci.sc_clocks_on = &at91_udp_clocks_on;
sc->sc_dci.sc_clocks_off = &at91_udp_clocks_off;
sc->sc_dci.sc_clocks_arg = sc;
sc->sc_dci.sc_pull_up = &at91_udp_pull_up;
sc->sc_dci.sc_pull_down = &at91_udp_pull_down;
sc->sc_dci.sc_pull_arg = sc;
/* initialise some bus fields */
sc->sc_dci.sc_bus.parent = dev;
sc->sc_dci.sc_bus.devices = sc->sc_dci.sc_devices;
sc->sc_dci.sc_bus.devices_max = AT91_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_dci.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
return (ENOMEM);
}
callout_init_mtx(&sc->sc_vbus, &sc->sc_dci.sc_bus.bus_mtx, 0);
/*
* configure VBUS input pin, enable deglitch and enable
* interrupt :
*/
at91_pio_use_gpio(VBUS_BASE, VBUS_MASK);
at91_pio_gpio_input(VBUS_BASE, VBUS_MASK);
at91_pio_gpio_set_deglitch(VBUS_BASE, VBUS_MASK, 1);
at91_pio_gpio_set_interrupt(VBUS_BASE, VBUS_MASK, 0);
/*
* configure PULLUP output pin :
*/
at91_pio_use_gpio(PULLUP_BASE, PULLUP_MASK);
at91_pio_gpio_output(PULLUP_BASE, PULLUP_MASK, 0);
at91_udp_pull_down(sc);
/* wait 10ms for pulldown to stabilise */
usb_pause_mtx(NULL, hz / 100);
sc->sc_mclk = at91_pmc_clock_ref("mck");
sc->sc_iclk = at91_pmc_clock_ref("udc_clk");
sc->sc_fclk = at91_pmc_clock_ref("udpck");
rid = MEM_RID;
sc->sc_dci.sc_io_res =
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (!(sc->sc_dci.sc_io_res)) {
err = ENOMEM;
goto error;
}
sc->sc_dci.sc_io_tag = rman_get_bustag(sc->sc_dci.sc_io_res);
sc->sc_dci.sc_io_hdl = rman_get_bushandle(sc->sc_dci.sc_io_res);
sc->sc_dci.sc_io_size = rman_get_size(sc->sc_dci.sc_io_res);
rid = 0;
sc->sc_dci.sc_irq_res =
bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
if (!(sc->sc_dci.sc_irq_res)) {
goto error;
}
sc->sc_dci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_dci.sc_bus.bdev)) {
goto error;
}
device_set_ivars(sc->sc_dci.sc_bus.bdev, &sc->sc_dci.sc_bus);
err = bus_setup_intr(dev, sc->sc_dci.sc_irq_res, INTR_TYPE_TTY | INTR_MPSAFE,
at91dci_filter_interrupt, at91dci_interrupt, sc, &sc->sc_dci.sc_intr_hdl);
if (err) {
sc->sc_dci.sc_intr_hdl = NULL;
goto error;
}
err = at91dci_init(&sc->sc_dci);
if (!err) {
err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev);
}
if (err) {
goto error;
} else {
/* poll VBUS one time */
USB_BUS_LOCK(&sc->sc_dci.sc_bus);
at91_vbus_poll(sc);
USB_BUS_UNLOCK(&sc->sc_dci.sc_bus);
}
return (0);
error:
at91_udp_detach(dev);
return (ENXIO);
}