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 void bi_nand(void) { /* Samsung 256MB SLC Flash */ /* Setup Static Memory Controller */ at91_smc_setup(0, 3, &nand_smc); at91_enable_nand(&nand_param); /* * This assumes * - RNB is on pin PC13 * - CE is on pin PC14 * * Nothing actually uses RNB right now. * * For CE, this currently asserts it during board setup and leaves it * that way forever. * * All this can go away when the gpio pin-renumbering happens... */ at91_pio_use_gpio(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC13 | AT91C_PIO_PC14); at91_pio_gpio_input(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC13); /* RNB */ at91_pio_gpio_output(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC14, 0); /* nCS */ at91_pio_gpio_clear(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC14); /* Assert nCS */ }
BOARD_INIT long board_init(void) { #if 0 /* PIOB's A periph: Turn USART 0's TX/RX pins */ at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB14_DRXD, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB15_DTXD, 1); /* PIOB's A periph: Turn USART 0's TX/RX pins */ at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB4_TXD0, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB5_RXD0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB22_DSR0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB23_DCD0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB24_DTR0, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB25_RI0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB26_RTS0, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB27_CTS0, 0); /* PIOB's A periph: Turn USART 1's TX/RX pins */ at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB6_TXD1, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB7_RXD1, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB28_RTS1, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB29_CTS1, 0); /* TWI Two-wire Serial Data */ at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA23_TWD, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA24_TWCK, 1); #if 1 /* * Turn off Clock to DataFlash, conflicts with MCI clock. */ at91_pio_use_gpio(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA2); at91_pio_gpio_input(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA2); /* Turn off chip select to DataFlash */ at91_pio_gpio_output(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11, 0); at91_pio_gpio_set(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11); at91_pio_use_gpio(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11); /* Multimedia Card */ at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA0_MCDB0, 1); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA1_MCCDB, 1); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA3_MCDB3, 1); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA4_MCDB2, 1); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA5_MCDB1, 1); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA8_MCCK, 1); at91_pio_use_gpio(AT91SAM9G20_PIOC_BASE, AT91C_PIO_PC9); #else /* SPI0 to DataFlash */ at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA1, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA2, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOC_BASE, AT91C_PIO_PC11,0); at91_pio_gpio_input(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA8); at91_pio_use_gpio(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA8); #endif /* EMAC */ at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA12_ETX0 , 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA13_ETX1, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA14_ERX0, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA15_ERX1, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA16_ETXEN, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA17_ERXDV, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA18_ERXER, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA19_ETXCK, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA20_EMDC, 0); at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA21_EMDIO, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA10_ETX2_0, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA11_ETX3_0, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA22_ETXER, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA25_ERX2, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA26_ERX3, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA27_ERXCK, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA28_ECRS, 0); at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA29_ECOL, 0); #endif return (at91_ramsize()); }
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); }