kobo_usb.c revision 1.1.6.3
1 1.1.6.2 tls /* $NetBSD: kobo_usb.c,v 1.1.6.3 2017/12/03 11:36:05 jdolecek Exp $ */ 2 1.1.6.2 tls 3 1.1.6.2 tls /* 4 1.1.6.2 tls * Copyright (c) 2012 Genetec Corporation. All rights reserved. 5 1.1.6.2 tls * Written by Hiroyuki Bessho for Genetec Corporation. 6 1.1.6.2 tls * 7 1.1.6.2 tls * Redistribution and use in source and binary forms, with or without 8 1.1.6.2 tls * modification, are permitted provided that the following conditions 9 1.1.6.2 tls * are met: 10 1.1.6.2 tls * 1. Redistributions of source code must retain the above copyright 11 1.1.6.2 tls * notice, this list of conditions and the following disclaimer. 12 1.1.6.2 tls * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.6.2 tls * notice, this list of conditions and the following disclaimer in the 14 1.1.6.2 tls * documentation and/or other materials provided with the distribution. 15 1.1.6.2 tls * 16 1.1.6.2 tls * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND 17 1.1.6.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1.6.2 tls * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1.6.2 tls * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 20 1.1.6.2 tls * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1.6.2 tls * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1.6.2 tls * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1.6.2 tls * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1.6.2 tls * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1.6.2 tls * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1.6.2 tls * POSSIBILITY OF SUCH DAMAGE. 27 1.1.6.2 tls * 28 1.1.6.2 tls */ 29 1.1.6.2 tls #include <sys/cdefs.h> 30 1.1.6.2 tls __KERNEL_RCSID(0, "$NetBSD: kobo_usb.c,v 1.1.6.3 2017/12/03 11:36:05 jdolecek Exp $"); 31 1.1.6.2 tls 32 1.1.6.2 tls #include "opt_imx.h" 33 1.1.6.2 tls 34 1.1.6.2 tls #include <sys/param.h> 35 1.1.6.2 tls #include <sys/systm.h> 36 1.1.6.2 tls #include <sys/conf.h> 37 1.1.6.2 tls #include <sys/kernel.h> 38 1.1.6.2 tls #include <sys/kthread.h> 39 1.1.6.2 tls #include <sys/device.h> 40 1.1.6.2 tls #include <sys/intr.h> 41 1.1.6.2 tls #include <sys/bus.h> 42 1.1.6.2 tls #include <sys/gpio.h> 43 1.1.6.2 tls 44 1.1.6.2 tls #include <dev/usb/usb.h> 45 1.1.6.2 tls #include <dev/usb/usbdi.h> 46 1.1.6.2 tls #include <dev/usb/usbdivar.h> 47 1.1.6.2 tls #include <dev/usb/usb_mem.h> 48 1.1.6.2 tls 49 1.1.6.2 tls #include <dev/usb/ehcireg.h> 50 1.1.6.2 tls #include <dev/usb/ehcivar.h> 51 1.1.6.2 tls 52 1.1.6.2 tls #include <arm/imx/imx51reg.h> 53 1.1.6.2 tls #include <arm/imx/imx51var.h> 54 1.1.6.2 tls #include <arm/imx/imxusbreg.h> 55 1.1.6.2 tls #include <arm/imx/imxusbvar.h> 56 1.1.6.2 tls #include <arm/imx/imx50_iomuxreg.h> 57 1.1.6.2 tls #include <arm/imx/imxgpiovar.h> 58 1.1.6.2 tls #include <arm/imx/imx51_ccmreg.h> 59 1.1.6.2 tls #include <arm/imx/imx51_ccmvar.h> 60 1.1.6.2 tls 61 1.1.6.2 tls #include "locators.h" 62 1.1.6.2 tls 63 1.1.6.2 tls struct kobo_usbc_softc { 64 1.1.6.2 tls struct imxusbc_softc sc_imxusbc; 65 1.1.6.2 tls }; 66 1.1.6.2 tls 67 1.1.6.2 tls static int imxusbc_match(device_t, cfdata_t, void *); 68 1.1.6.2 tls static void imxusbc_attach(device_t, device_t, void *); 69 1.1.6.2 tls static void kobo_usb_init(struct imxehci_softc *); 70 1.1.6.2 tls 71 1.1.6.2 tls static void init_otg(struct imxehci_softc *); 72 1.1.6.2 tls static void init_h1(struct imxehci_softc *); 73 1.1.6.2 tls 74 1.1.6.2 tls extern const struct iomux_conf iomux_usb1_config[]; 75 1.1.6.2 tls 76 1.1.6.2 tls /* attach structures */ 77 1.1.6.2 tls CFATTACH_DECL_NEW(imxusbc_axi, sizeof(struct kobo_usbc_softc), 78 1.1.6.2 tls imxusbc_match, imxusbc_attach, NULL, NULL); 79 1.1.6.2 tls 80 1.1.6.2 tls static int 81 1.1.6.2 tls imxusbc_match(device_t parent, cfdata_t cf, void *aux) 82 1.1.6.2 tls { 83 1.1.6.2 tls struct axi_attach_args *aa = aux; 84 1.1.6.2 tls 85 1.1.6.2 tls if (aa->aa_addr == USBOH3_BASE) 86 1.1.6.2 tls return 1; 87 1.1.6.2 tls return 0; 88 1.1.6.2 tls } 89 1.1.6.2 tls 90 1.1.6.2 tls static void 91 1.1.6.2 tls imxusbc_attach(device_t parent, device_t self, void *aux) 92 1.1.6.2 tls { 93 1.1.6.2 tls struct axi_attach_args *aa = aux; 94 1.1.6.2 tls struct kobo_usbc_softc *sc = device_private(self); 95 1.1.6.2 tls 96 1.1.6.2 tls aprint_normal("\n"); 97 1.1.6.2 tls aprint_naive("\n"); 98 1.1.6.2 tls 99 1.1.6.2 tls sc->sc_imxusbc.sc_init_md_hook = kobo_usb_init; 100 1.1.6.2 tls sc->sc_imxusbc.sc_setup_md_hook = NULL; 101 1.1.6.2 tls 102 1.1.6.2 tls imxusbc_attach_common(parent, self, aa->aa_iot); 103 1.1.6.2 tls } 104 1.1.6.2 tls 105 1.1.6.2 tls static void 106 1.1.6.2 tls kobo_usb_init(struct imxehci_softc *sc) 107 1.1.6.2 tls { 108 1.1.6.2 tls switch (sc->sc_unit) { 109 1.1.6.2 tls case 0: /* OTG controller */ 110 1.1.6.2 tls init_otg(sc); 111 1.1.6.2 tls break; 112 1.1.6.2 tls case 1: /* EHCI Host 1 */ 113 1.1.6.2 tls init_h1(sc); 114 1.1.6.2 tls break; 115 1.1.6.2 tls default: 116 1.1.6.3 jdolecek aprint_error_dev(sc->sc_hsc.sc_dev, "unit %d not supported\n", 117 1.1.6.2 tls sc->sc_unit); 118 1.1.6.2 tls } 119 1.1.6.2 tls } 120 1.1.6.2 tls 121 1.1.6.2 tls static void 122 1.1.6.2 tls init_otg(struct imxehci_softc *sc) 123 1.1.6.2 tls { 124 1.1.6.2 tls struct imxusbc_softc *usbc = sc->sc_usbc; 125 1.1.6.2 tls uint32_t reg; 126 1.1.6.2 tls 127 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USB_CLKONOFF_CTRL); 128 1.1.6.2 tls reg &= ~USB_CLKONOFF_CTRL_OTG_AHBCLK_OFF; 129 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USB_CLKONOFF_CTRL, reg); 130 1.1.6.2 tls 131 1.1.6.2 tls sc->sc_iftype = IMXUSBC_IF_UTMI_WIDE; 132 1.1.6.2 tls 133 1.1.6.2 tls imxehci_reset(sc); 134 1.1.6.2 tls 135 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_PHYCTRL0); 136 1.1.6.2 tls reg |= PHYCTRL0_OTG_OVER_CUR_DIS | PHYCTRL0_SUSPENDM; 137 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_PHYCTRL0, reg); 138 1.1.6.2 tls 139 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USBCTRL); 140 1.1.6.2 tls reg &= ~USBCTRL_OWIR; 141 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USBCTRL, reg); 142 1.1.6.2 tls 143 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_PHYCTRL1); 144 1.1.6.2 tls reg = (reg & ~PHYCTRL1_PLLDIVVALUE_MASK) | PHYCTRL1_PLLDIVVALUE_24MHZ; 145 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_PHYCTRL1, reg); 146 1.1.6.2 tls } 147 1.1.6.2 tls 148 1.1.6.2 tls static void 149 1.1.6.2 tls init_h1(struct imxehci_softc *sc) 150 1.1.6.2 tls { 151 1.1.6.2 tls struct imxusbc_softc *usbc = sc->sc_usbc; 152 1.1.6.2 tls uint32_t reg; 153 1.1.6.2 tls 154 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USB_CLKONOFF_CTRL); 155 1.1.6.2 tls reg &= ~USB_CLKONOFF_CTRL_H1_AHBCLK_OFF; 156 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_USB_CLKONOFF_CTRL, reg); 157 1.1.6.2 tls 158 1.1.6.2 tls imxehci_reset(sc); 159 1.1.6.2 tls 160 1.1.6.2 tls /* select INTERNAL PHY interface for Host 1 */ 161 1.1.6.2 tls sc->sc_iftype = IMXUSBC_IF_UTMI; 162 1.1.6.2 tls 163 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, 164 1.1.6.2 tls USBOH3_USBCTRL); 165 1.1.6.2 tls reg |= USBCTRL_H1PM; 166 1.1.6.2 tls reg &= ~(USBCTRL_H1WIE); 167 1.1.6.2 tls reg &= ~(USBCTRL_H1UIE); 168 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, 169 1.1.6.2 tls USBOH3_USBCTRL, reg); 170 1.1.6.2 tls 171 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_PHYCTRL0); 172 1.1.6.2 tls reg &= ~PHYCTRL0_H1_OVER_CUR_DIS; 173 1.1.6.2 tls reg |= PHYCTRL0_H1_OVER_CUR_POL; 174 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh,USBOH3_PHYCTRL0 , reg); 175 1.1.6.2 tls 176 1.1.6.2 tls delay(1000); 177 1.1.6.2 tls 178 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_UH1_PHY_CTRL_1); 179 1.1.6.2 tls reg &= ~PHYCTRL1_PLLDIVVALUE_MASK; 180 1.1.6.2 tls reg |= PHYCTRL1_PLLDIVVALUE_24MHZ; 181 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_UH1_PHY_CTRL_1, reg); 182 1.1.6.2 tls 183 1.1.6.2 tls reg = bus_space_read_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_UH1_PHY_CTRL_0); 184 1.1.6.2 tls reg &= ~PHYCTRL0_CHGRDETON; 185 1.1.6.2 tls reg &= ~PHYCTRL0_CHGRDETEN; 186 1.1.6.2 tls bus_space_write_4(usbc->sc_iot, usbc->sc_ioh, USBOH3_UH1_PHY_CTRL_0, reg); 187 1.1.6.2 tls } 188 1.1.6.2 tls 189 1.1.6.2 tls 190
Indexes created Wed Oct 15 16:09:53 GMT 2025