/* $NetBSD: sdhc_hollywood.c,v 1.2.2.3 2024/10/02 12:28:15 martin Exp $ */ /*- * Copyright (c) 2024 Jared McNeill * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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: sdhc_hollywood.c,v 1.2.2.3 2024/10/02 12:28:15 martin Exp $"); #include #include #include #include #include #include #include #include #include "hollywood.h" #define SDHC_SIZE 0x200 #define SDHC_HOLLYWOOD_WRITE_DELAY 5 extern struct powerpc_bus_dma_tag wii_mem2_bus_dma_tag; static int sdhc_hollywood_match(device_t, cfdata_t, void *); static void sdhc_hollywood_attach(device_t, device_t, void *); struct sdhc_hollywood_softc { struct sdhc_softc sc_base; struct sdhc_host *sc_host[1]; }; CFATTACH_DECL_NEW(sdhc_hollywood, sizeof(struct sdhc_hollywood_softc), sdhc_hollywood_match, sdhc_hollywood_attach, NULL, NULL); static int sdhc_hollywood_match(device_t parent, cfdata_t cf, void *aux) { return 1; } static void sdhc_hollywood_attach(device_t parent, device_t self, void *aux) { struct hollywood_attach_args *haa = aux; struct sdhc_hollywood_softc *sc = device_private(self); bus_space_tag_t bst; bus_space_handle_t bsh; int error; sc->sc_base.sc_dev = self; sc->sc_base.sc_host = sc->sc_host; sc->sc_base.sc_dmat = &wii_mem2_bus_dma_tag; sc->sc_base.sc_flags = SDHC_FLAG_SINGLE_POWER_WRITE | SDHC_FLAG_32BIT_ACCESS | SDHC_FLAG_USE_DMA; sc->sc_base.sc_write_delay = SDHC_HOLLYWOOD_WRITE_DELAY; bst = haa->haa_bst; if (bus_space_map(bst, haa->haa_addr, SDHC_SIZE, 0, &bsh)) { aprint_error(": couldn't map registers\n"); return; } aprint_naive("\n"); aprint_normal(": SDHC\n"); hollywood_claim_device(self, device_unit(self) == 0 ? IOPSD0EN : IOPSD1EN); hollywood_intr_establish(haa->haa_irq, IPL_SDMMC, sdhc_intr, &sc->sc_base, device_xname(self)); error = sdhc_host_found(&sc->sc_base, bst, bsh, SDHC_SIZE); if (error != 0) { aprint_error_dev(self, "couldn't initialize host, error = %d\n", error); } }