/* $NetBSD: wdc_mainbus.c,v 1.6.8.1 2019/09/23 07:09:47 martin Exp $ */ /* * Copyright (c) 2010 KIYOHARA Takashi * 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: wdc_mainbus.c,v 1.6.8.1 2019/09/23 07:09:47 martin Exp $"); #include #include #include #include #include #include #include #include #include #include #include "locators.h" #define WDC_MAINBUS_REG_NPORTS 8 #define WDC_MAINBUS_AUXREG_OFFSET 0x206 #define WDC_MAINBUS_AUXREG_NPORTS 1 /* options passed via the 'flags' config keyword */ #define WDC_OPTIONS_32 0x01 /* try to use 32bit data I/O */ #define WDC_OPTIONS_ATA_NOSTREAM 0x04 #define WDC_OPTIONS_ATAPI_NOSTREAM 0x08 struct wdc_mainbus_softc { struct wdc_softc sc_wdcdev; struct ata_channel *wdc_chanlist[1]; struct ata_channel ata_channel; struct wdc_regs wdc_regs; }; static int wdc_mainbus_match(device_t, cfdata_t, void *); static void wdc_mainbus_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(wdc_mainbus, sizeof(struct wdc_mainbus_softc), wdc_mainbus_match, wdc_mainbus_attach, NULL, NULL); static int wdc_mainbus_match(device_t parent, cfdata_t match, void *aux) { struct mainbus_attach_args *ma = aux; struct wdc_regs wdr; int result = 0, i; if (strcmp(ma->ma_name, match->cf_name) != 0) return 0; /* Disallow wildcarded values. */ if (ma->ma_addr1 == MAINBUSCF_ADDR1_DEFAULT || ma->ma_irq1 == MAINBUSCF_IRQ1_DEFAULT) return 0; wdr.cmd_iot = SH3_BUS_SPACE_PCMCIA_IO; if (bus_space_map(wdr.cmd_iot, ma->ma_addr1, WDC_MAINBUS_REG_NPORTS, 0, &wdr.cmd_baseioh) != 0) goto out; for (i = 0; i < WDC_MAINBUS_REG_NPORTS; i++) { if (bus_space_subregion(wdr.cmd_iot, wdr.cmd_baseioh, i, i == 0 ? 4 : 1, &wdr.cmd_iohs[i]) != 0) goto outunmap; } wdc_init_shadow_regs(&wdr); wdr.ctl_iot = SH3_BUS_SPACE_PCMCIA_IO; if (bus_space_map(wdr.ctl_iot, ma->ma_addr1 + WDC_MAINBUS_AUXREG_OFFSET, WDC_MAINBUS_AUXREG_NPORTS, 0, &wdr.ctl_ioh) != 0) goto outunmap; #if 0 bus_space_write_1(iot, ioh, 0x200, 0x80); delay(1000); bus_space_write_1(iot, ioh, 0x200, 0x00); delay(1000); printf("CF COR=0x%x\n", bus_space_read_1(iot, ioh, 0x200)); bus_space_write_1(iot, ioh, 0x200, 0x41); printf("CF COR=0x%x\n", bus_space_read_1(iot, ioh, 0x200)); delay(1000000); #endif result = wdcprobe(&wdr); bus_space_unmap(wdr.ctl_iot, wdr.ctl_ioh, WDC_MAINBUS_AUXREG_NPORTS); outunmap: bus_space_unmap(wdr.cmd_iot, wdr.cmd_baseioh, WDC_MAINBUS_REG_NPORTS); out: return result; } static void wdc_mainbus_attach(device_t parent, device_t self, void *aux) { struct wdc_mainbus_softc *sc = device_private(self); struct mainbus_attach_args *ma = aux; struct wdc_regs *wdr; int wdc_cf_flags = device_cfdata(self)->cf_flags; int i; sc->sc_wdcdev.sc_atac.atac_dev = self; sc->sc_wdcdev.regs = wdr = &sc->wdc_regs; wdr->cmd_iot = SH3_BUS_SPACE_PCMCIA_IO; wdr->ctl_iot = SH3_BUS_SPACE_PCMCIA_IO; if (bus_space_map(wdr->cmd_iot, ma->ma_addr1, WDC_MAINBUS_REG_NPORTS, 0, &wdr->cmd_baseioh) || bus_space_map(wdr->ctl_iot, ma->ma_addr1 + WDC_MAINBUS_AUXREG_OFFSET, WDC_MAINBUS_AUXREG_NPORTS, 0, &wdr->ctl_ioh)) { aprint_error(": couldn't map registers\n"); return; } for (i = 0; i < WDC_MAINBUS_REG_NPORTS; i++) { if (bus_space_subregion(wdr->cmd_iot, wdr->cmd_baseioh, i, i == 0 ? 4 : 1, &wdr->cmd_iohs[i]) != 0) { aprint_error(": couldn't subregion registers (3)\n"); return; } } wdr->data32iot = wdr->cmd_iot; wdr->data32ioh = wdr->cmd_iohs[0]; sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA; sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16; if (wdc_cf_flags & WDC_OPTIONS_32) sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32; if (wdc_cf_flags & WDC_OPTIONS_ATA_NOSTREAM) sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_ATA_NOSTREAM; if (wdc_cf_flags & WDC_OPTIONS_ATAPI_NOSTREAM) sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_ATAPI_NOSTREAM; sc->sc_wdcdev.sc_atac.atac_pio_cap = 0; sc->wdc_chanlist[0] = &sc->ata_channel; sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist; sc->sc_wdcdev.sc_atac.atac_nchannels = 1; sc->sc_wdcdev.wdc_maxdrives = 2; sc->ata_channel.ch_channel = 0; sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; wdc_init_shadow_regs(wdr); aprint_normal("\n"); mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_BIO, wdcintr, &sc->ata_channel); wdcattach(&sc->ata_channel); }