static int
a20_if_dwc_init(device_t dev)
{
int clk;
/* Activate GMAC clock and set the pin mux to rgmii. */
switch (allwinner_soc_type()) {
#if defined(SOC_ALLWINNER_A10) || defined(SOC_ALLWINNER_A20)
case ALLWINNERSOC_A10:
case ALLWINNERSOC_A10S:
case ALLWINNERSOC_A20:
clk = a10_clk_gmac_activate(ofw_bus_get_node(dev));
break;
#endif
#if defined(SOC_ALLWINNER_A31) || defined(SOC_ALLWINNER_A31S)
case ALLWINNERSOC_A31:
case ALLWINNERSOC_A31S:
clk = a31_clk_gmac_activate(ofw_bus_get_node(dev));
break;
#endif
default:
clk = -1;
}
if (clk != 0) {
device_printf(dev, "could not activate gmac module\n");
return (ENXIO);
}
return (0);
}
static int
a10_gpio_attach(device_t dev)
{
int rid;
phandle_t gpio;
struct a10_gpio_softc *sc;
sc = device_get_softc(dev);
sc->sc_dev = dev;
mtx_init(&sc->sc_mtx, "a10 gpio", "gpio", MTX_SPIN);
rid = 0;
sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (!sc->sc_mem_res) {
device_printf(dev, "cannot allocate memory window\n");
goto fail;
}
sc->sc_bst = rman_get_bustag(sc->sc_mem_res);
sc->sc_bsh = rman_get_bushandle(sc->sc_mem_res);
rid = 0;
sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_ACTIVE);
if (!sc->sc_irq_res) {
device_printf(dev, "cannot allocate interrupt\n");
goto fail;
}
/* Find our node. */
gpio = ofw_bus_get_node(sc->sc_dev);
if (!OF_hasprop(gpio, "gpio-controller"))
/* Node is not a GPIO controller. */
goto fail;
/* Use the right pin data for the current SoC */
switch (allwinner_soc_type()) {
#ifdef SOC_ALLWINNER_A10
case ALLWINNERSOC_A10:
sc->padconf = &a10_padconf;
break;
#endif
#ifdef SOC_ALLWINNER_A20
case ALLWINNERSOC_A20:
sc->padconf = &a20_padconf;
break;
#endif
#ifdef SOC_ALLWINNER_A31
case ALLWINNERSOC_A31:
sc->padconf = &a31_padconf;
break;
#endif
#ifdef SOC_ALLWINNER_A31S
case ALLWINNERSOC_A31S:
sc->padconf = &a31s_padconf;
break;
#endif
default:
return (ENOENT);
}
sc->sc_busdev = gpiobus_attach_bus(dev);
if (sc->sc_busdev == NULL)
goto fail;
/*
* Register as a pinctrl device
*/
fdt_pinctrl_register(dev, "allwinner,pins");
fdt_pinctrl_configure_tree(dev);
return (0);
fail:
if (sc->sc_irq_res)
bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq_res);
if (sc->sc_mem_res)
bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->sc_mem_res);
mtx_destroy(&sc->sc_mtx);
return (ENXIO);
}
