/* $NetBSD: sa11x0.c,v 1.27 2012/10/27 17:17:41 chs Exp $ */ /*- * Copyright (c) 2001, The NetBSD Foundation, Inc. All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by IWAMOTO Toshihiro and Ichiro FUKUHARA. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /*- * Copyright (c) 1999 * Shin Takemura and PocketBSD Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the PocketBSD project * and its contributors. * 4. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include __KERNEL_RCSID(0, "$NetBSD: sa11x0.c,v 1.27 2012/10/27 17:17:41 chs Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "locators.h" /* prototypes */ static int sa11x0_match(device_t, cfdata_t, void *); static void sa11x0_attach(device_t, device_t, void *); static int sa11x0_search(device_t, cfdata_t, const int *, void *); static int sa11x0_print(void *, const char *); /* attach structures */ CFATTACH_DECL_NEW(saip, sizeof(struct sa11x0_softc), sa11x0_match, sa11x0_attach, NULL, NULL); extern struct bus_space sa11x0_bs_tag; extern vaddr_t saipic_base; /* * int sa11x0_print(void *aux, const char *name) * print configuration info for children */ static int sa11x0_print(void *aux, const char *name) { struct sa11x0_attach_args *sa = (struct sa11x0_attach_args*)aux; if (sa->sa_size) aprint_normal(" addr 0x%lx", sa->sa_addr); if (sa->sa_size > 1) aprint_normal("-0x%lx", sa->sa_addr + sa->sa_size - 1); if (sa->sa_intr > 1) aprint_normal(" intr %d", sa->sa_intr); if (sa->sa_gpio != -1) aprint_normal(" gpio %d", sa->sa_gpio); return UNCONF; } int sa11x0_match(device_t parent, cfdata_t match, void *aux) { return 1; } void sa11x0_attach(device_t parent, device_t self, void *aux) { struct sa11x0_softc *sc = device_private(self); sc->sc_dev = self; sc->sc_iot = &sa11x0_bs_tag; /* Map the SAIP */ if (bus_space_map(sc->sc_iot, SAIPIC_BASE, SAIPIC_NPORTS, 0, &sc->sc_ioh)) panic("%s: Cannot map registers", device_xname(self)); saipic_base = sc->sc_ioh; /* Map the GPIO registers */ if (bus_space_map(sc->sc_iot, SAGPIO_BASE, SAGPIO_NPORTS, 0, &sc->sc_gpioh)) panic("%s: unable to map GPIO registers", device_xname(self)); bus_space_write_4(sc->sc_iot, sc->sc_gpioh, SAGPIO_EDR, 0xffffffff); /* Map the PPC registers */ if (bus_space_map(sc->sc_iot, SAPPC_BASE, SAPPC_NPORTS, 0, &sc->sc_ppch)) panic("%s: unable to map PPC registers", device_xname(self)); /* Map the DMA controller registers */ if (bus_space_map(sc->sc_iot, SADMAC_BASE, SADMAC_NPORTS, 0, &sc->sc_dmach)) panic("%s: unable to map DMAC registers", device_xname(self)); /* Map the reset controller registers */ if (bus_space_map(sc->sc_iot, SARCR_BASE, PAGE_SIZE, 0, &sc->sc_reseth)) panic("%s: unable to map reset registers", device_xname(self)); printf("\n"); /* * Mask all interrupts. * They are later unmasked at each device's attach routine. */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, SAIPIC_MR, 0); /* Route all bits to IRQ */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, SAIPIC_LR, 0); /* Exit idle mode only when unmasked intr is received */ bus_space_write_4(sc->sc_iot, sc->sc_ioh, SAIPIC_CR, 1); /* disable all DMAC channels */ bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR0_CLR, 1); bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR1_CLR, 1); bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR2_CLR, 1); bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR3_CLR, 1); bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR4_CLR, 1); bus_space_write_4(sc->sc_iot, sc->sc_dmach, SADMAC_DCR5_CLR, 1); /* Make sure to init spl masks, note we set the mask to 0 above */ set_spl_masks(); SetCPSR(I32_bit, 0); /* * Attach each devices */ config_search_ia(sa11x0_search, self, "saip", NULL); } int sa11x0_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) { struct sa11x0_softc *sc = device_private(parent); struct sa11x0_attach_args sa; sa.sa_sc = sc; sa.sa_iot = sc->sc_iot; sa.sa_name = cf->cf_name; sa.sa_addr = cf->cf_loc[SAIPCF_ADDR]; sa.sa_size = cf->cf_loc[SAIPCF_SIZE]; sa.sa_intr = cf->cf_loc[SAIPCF_INTR]; sa.sa_gpio = cf->cf_loc[SAIPCF_GPIO]; if (config_match(parent, cf, &sa) > 0) config_attach(parent, cf, &sa, sa11x0_print); return 0; }