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
nbp_slhci_match(device_t parent,cfdata_t match,void * aux)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
nbp_slhci_attach(device_t parent,device_t self,void * aux)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
nbp_slhci_power(void * arg,enum power_change onoff)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