Return to hostio.c CVS log

Up to [local] / prex-old / dev / arm / cats

Annotation of prex-old/dev/arm/cats/hostio.c, Revision 1.1

1.1     ! nbrk        1: /*
        !             2:  * $Id$
        !             3:  */
        !             4: #include <driver.h>
        !             5: #include <bus.h>
        !             6:
        !             7: #include "hostiovar.h"
        !             8:
        !             9: /*
        !            10:  * Autoconf glue.
        !            11:  */
        !            12: int    hostio_match(struct device *parent, void *aux);
        !            13: int    hostio_attach(struct device *parent, struct device *self, void *aux);
        !            14:
        !            15: struct driver hostio_drv = {
        !            16:        "hostio",                                       /* name */
        !            17:        sizeof(struct hostio_softc),/* datasize */
        !            18:        hostio_match,                           /* match */
        !            19:        hostio_attach,                          /* attach */
        !            20:        NULL,                                           /* detach */
        !            21:        -1                                                      /* nunits XXX */
        !            22: };
        !            23:
        !            24:
        !            25:
        !            26: int
        !            27: hostio_match(struct device *parent, void *aux)
        !            28: {
        !            29:        return(1);
        !            30: }
        !            31:
        !            32:
        !            33: int
        !            34: hostio_attach(struct device *parent, struct device *self, void *aux)
        !            35: {
        !            36:        struct hostio_softc     *sc = self->dv_data;
        !            37:
        !            38:        printk("\n");
        !            39:
        !            40:        sc->sc_iot = &hostio_bs_tag;
        !            41:
        !            42:        /*
        !            43:         * Nothing to do. Just pass our bus_space_tag_t to upper layers.
        !            44:         */
        !            45:        config_search_children(self, sc->sc_iot);
        !            46:
        !            47:        return(0);
        !            48: }
        !            49:
        !            50:
        !            51: int
        !            52: hostio_map(void *cookie, bus_addr_t addr, bus_size_t size, int flags, bus_space_handle_t *ioh)
        !            53: {
        !            54:        /* XXX */
        !            55:
        !            56: /*     *ioh = kmem_map(addr, size); */
        !            57:        *ioh = addr;
        !            58:
        !            59:        return(0);
        !            60: }
        !            61:
        !            62:
        !            63: uint8_t
        !            64: hostio_read_1(void *cookie, bus_space_handle_t ioh, bus_size_t off)
        !            65: {
        !            66:        uint8_t d;
        !            67:
        !            68:        d = *(volatile uint32_t *)(ioh + off);
        !            69:
        !            70:        return(d);
        !            71: }
        !            72:
        !            73:
        !            74: uint16_t
        !            75: hostio_read_2(void *cookie, bus_space_handle_t ioh, bus_size_t off)
        !            76: {
        !            77:        uint16_t        d;
        !            78:
        !            79:        d = *(volatile uint32_t *)(ioh + off);
        !            80:
        !            81:        return(d);
        !            82: }
        !            83:
        !            84:
        !            85: uint32_t
        !            86: hostio_read_4(void *cookie, bus_space_handle_t ioh, bus_size_t off)
        !            87: {
        !            88:        uint32_t        d;
        !            89:
        !            90:        d = *(volatile uint32_t *)(ioh + off);
        !            91:
        !            92:        return(d);
        !            93: }
        !            94:
        !            95:
        !            96: void
        !            97: hostio_write_1(void *cookie, bus_space_handle_t ioh, bus_size_t off, uint8_t data)
        !            98: {
        !            99:        *(volatile uint32_t *)(ioh + off) = data;
        !           100: }
        !           101:
        !           102:
        !           103: void
        !           104: hostio_write_2(void *cookie, bus_space_handle_t ioh, bus_size_t off, uint16_t data)
        !           105: {
        !           106:        *(volatile uint32_t *)(ioh + off) = data;
        !           107: }
        !           108:
        !           109:
        !           110: void
        !           111: hostio_write_4(void *cookie, bus_space_handle_t ioh, bus_size_t off, uint32_t data)
        !           112: {
        !           113:        *(volatile uint32_t *)(ioh + off) = data;
        !           114: }
        !           115: