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