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wdc_mainbus.c revision 1.4.2.1
      1  1.4.2.1  jdolecek /*	$NetBSD: wdc_mainbus.c,v 1.4.2.1 2017/12/03 11:36:29 jdolecek Exp $	*/
      2      1.1  kiyohara /*
      3      1.1  kiyohara  * Copyright (c) 2010 KIYOHARA Takashi
      4      1.1  kiyohara  * All rights reserved.
      5      1.1  kiyohara  *
      6      1.1  kiyohara  * Redistribution and use in source and binary forms, with or without
      7      1.1  kiyohara  * modification, are permitted provided that the following conditions
      8      1.1  kiyohara  * are met:
      9      1.1  kiyohara  * 1. Redistributions of source code must retain the above copyright
     10      1.1  kiyohara  *    notice, this list of conditions and the following disclaimer.
     11      1.1  kiyohara  * 2. Redistributions in binary form must reproduce the above copyright
     12      1.1  kiyohara  *    notice, this list of conditions and the following disclaimer in the
     13      1.1  kiyohara  *    documentation and/or other materials provided with the distribution.
     14      1.1  kiyohara  *
     15      1.1  kiyohara  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16      1.1  kiyohara  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17      1.1  kiyohara  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18      1.1  kiyohara  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19      1.1  kiyohara  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20      1.1  kiyohara  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21      1.1  kiyohara  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22      1.1  kiyohara  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23      1.1  kiyohara  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24      1.1  kiyohara  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25      1.1  kiyohara  * POSSIBILITY OF SUCH DAMAGE.
     26      1.1  kiyohara  *
     27      1.1  kiyohara  */
     28      1.1  kiyohara 
     29      1.1  kiyohara #include <sys/cdefs.h>
     30  1.4.2.1  jdolecek __KERNEL_RCSID(0, "$NetBSD: wdc_mainbus.c,v 1.4.2.1 2017/12/03 11:36:29 jdolecek Exp $");
     31      1.1  kiyohara 
     32      1.1  kiyohara #include <sys/param.h>
     33      1.1  kiyohara #include <sys/bus.h>
     34      1.1  kiyohara #include <sys/device.h>
     35      1.1  kiyohara #include <sys/errno.h>
     36      1.1  kiyohara 
     37      1.1  kiyohara #include <machine/autoconf.h>
     38      1.1  kiyohara #include <machine/intr.h>
     39      1.1  kiyohara #include <machine/mmeye.h>
     40      1.1  kiyohara 
     41      1.1  kiyohara #include <dev/ic/wdcreg.h>
     42      1.1  kiyohara #include <dev/ata/atavar.h>
     43      1.1  kiyohara #include <dev/ic/wdcvar.h>
     44      1.1  kiyohara 
     45      1.1  kiyohara #include "locators.h"
     46      1.1  kiyohara 
     47      1.1  kiyohara #define	WDC_MAINBUS_REG_NPORTS		8
     48      1.1  kiyohara #define	WDC_MAINBUS_AUXREG_OFFSET	0x206
     49      1.1  kiyohara #define	WDC_MAINBUS_AUXREG_NPORTS	1
     50      1.1  kiyohara 
     51      1.1  kiyohara /* options passed via the 'flags' config keyword */
     52      1.1  kiyohara #define WDC_OPTIONS_32			0x01 /* try to use 32bit data I/O */
     53      1.1  kiyohara #define WDC_OPTIONS_ATA_NOSTREAM	0x04
     54      1.1  kiyohara #define WDC_OPTIONS_ATAPI_NOSTREAM	0x08
     55      1.1  kiyohara 
     56      1.1  kiyohara struct wdc_mainbus_softc {
     57      1.1  kiyohara 	struct	wdc_softc sc_wdcdev;
     58      1.1  kiyohara 	struct	ata_channel *wdc_chanlist[1];
     59      1.1  kiyohara 	struct	ata_channel ata_channel;
     60      1.1  kiyohara 	struct	wdc_regs wdc_regs;
     61      1.1  kiyohara };
     62      1.1  kiyohara 
     63      1.1  kiyohara static int wdc_mainbus_match(device_t, cfdata_t, void *);
     64      1.1  kiyohara static void wdc_mainbus_attach(device_t, device_t, void *);
     65      1.1  kiyohara 
     66      1.1  kiyohara CFATTACH_DECL_NEW(wdc_mainbus, sizeof(struct wdc_mainbus_softc),
     67      1.1  kiyohara     wdc_mainbus_match, wdc_mainbus_attach, NULL, NULL);
     68      1.1  kiyohara 
     69      1.1  kiyohara static int
     70      1.1  kiyohara wdc_mainbus_match(device_t parent, cfdata_t match, void *aux)
     71      1.1  kiyohara {
     72      1.1  kiyohara 	struct mainbus_attach_args *ma = aux;
     73      1.1  kiyohara 	struct ata_channel ch;
     74      1.1  kiyohara 	struct wdc_softc wdc;
     75      1.1  kiyohara 	struct wdc_regs wdr;
     76      1.1  kiyohara 	int result = 0, i;
     77      1.1  kiyohara 
     78      1.1  kiyohara 	if (strcmp(ma->ma_name, match->cf_name) != 0)
     79      1.1  kiyohara 		return 0;
     80      1.1  kiyohara 
     81      1.1  kiyohara 	/* Disallow wildcarded values. */
     82      1.1  kiyohara 	if (ma->ma_addr1 == MAINBUSCF_ADDR1_DEFAULT ||
     83      1.1  kiyohara 	    ma->ma_irq1 == MAINBUSCF_IRQ1_DEFAULT)
     84      1.1  kiyohara 		return 0;
     85      1.1  kiyohara 
     86      1.1  kiyohara 	memset(&wdc, 0, sizeof(wdc));
     87      1.1  kiyohara 	memset(&ch, 0, sizeof(ch));
     88      1.1  kiyohara 	ch.ch_atac = &wdc.sc_atac;
     89      1.1  kiyohara 	wdc.regs = &wdr;
     90      1.1  kiyohara 
     91      1.1  kiyohara 	wdr.cmd_iot = SH3_BUS_SPACE_PCMCIA_IO;
     92      1.1  kiyohara 	if (bus_space_map(wdr.cmd_iot, ma->ma_addr1,
     93      1.1  kiyohara 	    WDC_MAINBUS_REG_NPORTS, 0, &wdr.cmd_baseioh) != 0)
     94      1.1  kiyohara 		goto out;
     95      1.1  kiyohara 
     96      1.1  kiyohara 	for (i = 0; i < WDC_MAINBUS_REG_NPORTS; i++) {
     97      1.1  kiyohara 		if (bus_space_subregion(wdr.cmd_iot, wdr.cmd_baseioh, i,
     98      1.1  kiyohara 		    i == 0 ? 4 : 1, &wdr.cmd_iohs[i]) != 0)
     99      1.1  kiyohara 			goto outunmap;
    100      1.1  kiyohara 	}
    101      1.1  kiyohara 	wdc_init_shadow_regs(&ch);
    102      1.1  kiyohara 
    103      1.1  kiyohara 	wdr.ctl_iot = SH3_BUS_SPACE_PCMCIA_IO;
    104      1.1  kiyohara 	if (bus_space_map(wdr.ctl_iot, ma->ma_addr1 + WDC_MAINBUS_AUXREG_OFFSET,
    105      1.1  kiyohara 	    WDC_MAINBUS_AUXREG_NPORTS, 0, &wdr.ctl_ioh) != 0)
    106      1.1  kiyohara 		goto outunmap;
    107      1.1  kiyohara 
    108      1.1  kiyohara #if 0
    109      1.1  kiyohara bus_space_write_1(iot, ioh, 0x200, 0x80);
    110      1.1  kiyohara delay(1000);
    111      1.1  kiyohara bus_space_write_1(iot, ioh, 0x200, 0x00);
    112      1.1  kiyohara delay(1000);
    113      1.1  kiyohara printf("CF COR=0x%x\n", bus_space_read_1(iot, ioh, 0x200));
    114      1.1  kiyohara bus_space_write_1(iot, ioh, 0x200, 0x41);
    115      1.1  kiyohara printf("CF COR=0x%x\n", bus_space_read_1(iot, ioh, 0x200));
    116      1.1  kiyohara delay(1000000);
    117      1.1  kiyohara #endif
    118      1.1  kiyohara 	result = wdcprobe(&ch);
    119      1.1  kiyohara 
    120      1.1  kiyohara 	bus_space_unmap(wdr.ctl_iot, wdr.ctl_ioh, WDC_MAINBUS_AUXREG_NPORTS);
    121      1.1  kiyohara outunmap:
    122      1.1  kiyohara 	bus_space_unmap(wdr.cmd_iot, wdr.cmd_baseioh, WDC_MAINBUS_REG_NPORTS);
    123      1.1  kiyohara out:
    124      1.1  kiyohara 	return result;
    125      1.1  kiyohara }
    126      1.1  kiyohara 
    127      1.1  kiyohara static void
    128      1.1  kiyohara wdc_mainbus_attach(device_t parent, device_t self, void *aux)
    129      1.1  kiyohara {
    130      1.1  kiyohara 	struct wdc_mainbus_softc *sc = device_private(self);
    131      1.1  kiyohara 	struct mainbus_attach_args *ma = aux;
    132      1.1  kiyohara 	struct wdc_regs *wdr;
    133      1.1  kiyohara 	int wdc_cf_flags = device_cfdata(self)->cf_flags;
    134      1.1  kiyohara 	int i;
    135      1.1  kiyohara 
    136      1.1  kiyohara 	sc->sc_wdcdev.sc_atac.atac_dev = self;
    137      1.1  kiyohara 	sc->sc_wdcdev.regs = wdr = &sc->wdc_regs;
    138      1.1  kiyohara 	wdr->cmd_iot = SH3_BUS_SPACE_PCMCIA_IO;
    139      1.1  kiyohara 	wdr->ctl_iot = SH3_BUS_SPACE_PCMCIA_IO;
    140      1.1  kiyohara 	if (bus_space_map(wdr->cmd_iot, ma->ma_addr1,
    141      1.1  kiyohara 	      WDC_MAINBUS_REG_NPORTS, 0, &wdr->cmd_baseioh) ||
    142      1.1  kiyohara 	    bus_space_map(wdr->ctl_iot,
    143      1.1  kiyohara 	      ma->ma_addr1 + WDC_MAINBUS_AUXREG_OFFSET,
    144      1.1  kiyohara 	      WDC_MAINBUS_AUXREG_NPORTS, 0, &wdr->ctl_ioh)) {
    145      1.1  kiyohara 		aprint_error(": couldn't map registers\n");
    146      1.1  kiyohara 		return;
    147      1.1  kiyohara 	}
    148      1.1  kiyohara 	for (i = 0; i < WDC_MAINBUS_REG_NPORTS; i++) {
    149      1.1  kiyohara 		if (bus_space_subregion(wdr->cmd_iot, wdr->cmd_baseioh, i,
    150      1.1  kiyohara 		    i == 0 ? 4 : 1, &wdr->cmd_iohs[i]) != 0) {
    151      1.1  kiyohara 			aprint_error(": couldn't subregion registers (3)\n");
    152      1.1  kiyohara 			return;
    153      1.1  kiyohara 		}
    154      1.1  kiyohara 	}
    155      1.1  kiyohara 
    156      1.1  kiyohara 	wdr->data32iot = wdr->cmd_iot;
    157      1.1  kiyohara 	wdr->data32ioh = wdr->cmd_iohs[0];
    158      1.1  kiyohara 
    159      1.1  kiyohara 	sc->sc_wdcdev.cap |= WDC_CAPABILITY_PREATA;
    160      1.1  kiyohara 	sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16;
    161      1.1  kiyohara 	if (wdc_cf_flags & WDC_OPTIONS_32)
    162      1.1  kiyohara 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA32;
    163      1.1  kiyohara 	if (wdc_cf_flags & WDC_OPTIONS_ATA_NOSTREAM)
    164      1.1  kiyohara 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_ATA_NOSTREAM;
    165      1.1  kiyohara 	if (wdc_cf_flags & WDC_OPTIONS_ATAPI_NOSTREAM)
    166      1.1  kiyohara 		sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_ATAPI_NOSTREAM;
    167      1.1  kiyohara 
    168      1.1  kiyohara 	sc->sc_wdcdev.sc_atac.atac_pio_cap = 0;
    169      1.1  kiyohara 	sc->wdc_chanlist[0] = &sc->ata_channel;
    170      1.1  kiyohara 	sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanlist;
    171      1.1  kiyohara 	sc->sc_wdcdev.sc_atac.atac_nchannels = 1;
    172      1.4    bouyer 	sc->sc_wdcdev.wdc_maxdrives = 2;
    173      1.1  kiyohara 	sc->ata_channel.ch_channel = 0;
    174      1.1  kiyohara 	sc->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac;
    175  1.4.2.1  jdolecek 
    176  1.4.2.1  jdolecek 	wdc_init_shadow_regs(wdr);
    177      1.1  kiyohara 
    178      1.1  kiyohara 	aprint_normal("\n");
    179      1.1  kiyohara 
    180      1.1  kiyohara 	mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_BIO,
    181      1.1  kiyohara 	    wdcintr, &sc->ata_channel);
    182      1.1  kiyohara 
    183      1.1  kiyohara 	wdcattach(&sc->ata_channel);
    184      1.1  kiyohara }
    185