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      1 /*	$NetBSD: nbp_slhci.c,v 1.2 2016/04/23 10:15:29 skrll Exp $ */
      2 /*
      3  * Copyright (c) 2011 KIYOHARA Takashi
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: nbp_slhci.c,v 1.2 2016/04/23 10:15:29 skrll Exp $");
     29 
     30 #include <sys/param.h>
     31 #include <sys/bus.h>
     32 #include <sys/device.h>
     33 #include <sys/errno.h>
     34 
     35 #include <machine/platid.h>
     36 #include <machine/platid_mask.h>
     37 
     38 #include <arm/xscale/pxa2x0var.h>
     39 #include <arm/xscale/pxa2x0_gpio.h>
     40 
     41 #include <dev/usb/usb.h>
     42 #include <dev/usb/usbdi.h>
     43 #include <dev/usb/usbdivar.h>
     44 #include <dev/ic/sl811hsvar.h>
     45 
     46 #define NETBOOKPRO_SLHCI_REG_ADDR	0x00000
     47 #define NETBOOKPRO_SLHCI_REG_DATA	0x10000
     48 #define NETBOOKPRO_SLHCI_REG_SIZE	0x20000
     49 
     50 static int nbp_slhci_match(device_t, cfdata_t, void *);
     51 static void nbp_slhci_attach(device_t, device_t, void *);
     52 
     53 static void nbp_slhci_power(void *, enum power_change);
     54 
     55 CFATTACH_DECL_NEW(nbp_slhci, sizeof(struct slhci_softc),
     56     nbp_slhci_match, nbp_slhci_attach, NULL, NULL);
     57 
     58 
     59 /* ARGSUSED */
     60 static int
     61 nbp_slhci_match(device_t parent, cfdata_t match, void *aux)
     62 {
     63 	struct pxaip_attach_args *pxa = aux;
     64 
     65 	if (strcmp(pxa->pxa_name, match->cf_name) != 0 ||
     66 	    !platid_match(&platid, &platid_mask_MACH_PSIONTEKLOGIX_NETBOOK_PRO))
     67 		return 0;
     68 
     69 	return 1;
     70 }
     71 
     72 /* ARGSUSED */
     73 static void
     74 nbp_slhci_attach(device_t parent, device_t self, void *aux)
     75 {
     76 	struct slhci_softc *sc = device_private(self);
     77 	struct pxaip_attach_args *pxa = aux;
     78 	bus_space_handle_t ioh;
     79 
     80 	aprint_naive("\n");
     81 	aprint_normal("\n");
     82 
     83 	sc->sc_dev = self;
     84 	sc->sc_bus.ub_hcpriv = sc;
     85 
     86 	if (bus_space_map(pxa->pxa_iot, pxa->pxa_addr,
     87 				NETBOOKPRO_SLHCI_REG_SIZE, 0, &ioh) != 0) {
     88 		aprint_error_dev(self, "can't map I/O space\n");
     89 		return;
     90 	}
     91 
     92 	slhci_preinit(sc, nbp_slhci_power, pxa->pxa_iot, ioh, 0,
     93 	    NETBOOKPRO_SLHCI_REG_DATA - NETBOOKPRO_SLHCI_REG_ADDR);
     94 
     95 	/* GPIO 2 connects IRQ */
     96 	pxa2x0_gpio_set_function(2, GPIO_IN);
     97 	if (pxa2x0_gpio_intr_establish(2, IST_EDGE_RISING, IPL_USB,
     98 						slhci_intr, sc) == NULL) {
     99 		aprint_error_dev(self, "unable to establish interrupt\n");
    100 		return;
    101 	}
    102 
    103 	/* Reset Host Controller */
    104 	pxa2x0_gpio_set_function(14, GPIO_OUT);
    105 	pxa2x0_gpio_clear_bit(14);
    106 	delay(1);			/* XXXX: nRST for 16+ clocks @ 48MHz */
    107 	pxa2x0_gpio_set_bit(14);
    108 
    109 	if (slhci_attach(sc))
    110 		aprint_error_dev(self, "slhci_attach failed\n");
    111 	return;
    112 }
    113 
    114 static void
    115 nbp_slhci_power(void *arg, enum power_change onoff)
    116 {
    117 
    118 //	nbp_pcon_command(I2C_SETUSBHOSTPOWER, onoff, PCON_FLAG_ASYNC, NULL);
    119 }
    120