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      1   1.1     matt /*-
      2   1.1     matt  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      3   1.1     matt  * All rights reserved.
      4   1.1     matt  *
      5   1.1     matt  * This code is derived from software contributed to The NetBSD Foundation
      6   1.1     matt  * by Matt Thomas of 3am Software Foundry.
      7   1.1     matt  *
      8   1.1     matt  * Redistribution and use in source and binary forms, with or without
      9   1.1     matt  * modification, are permitted provided that the following conditions
     10   1.1     matt  * are met:
     11   1.1     matt  * 1. Redistributions of source code must retain the above copyright
     12   1.1     matt  *    notice, this list of conditions and the following disclaimer.
     13   1.1     matt  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.1     matt  *    notice, this list of conditions and the following disclaimer in the
     15   1.1     matt  *    documentation and/or other materials provided with the distribution.
     16   1.1     matt  *
     17   1.1     matt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18   1.1     matt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19   1.1     matt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20   1.1     matt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21   1.1     matt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22   1.1     matt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23   1.1     matt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24   1.1     matt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25   1.1     matt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26   1.1     matt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27   1.1     matt  * POSSIBILITY OF SUCH DAMAGE.
     28   1.1     matt  */
     29   1.3     matt #define USBH_PRIVATE
     30   1.1     matt 
     31   1.1     matt #include "locators.h"
     32   1.1     matt 
     33   1.1     matt #include <sys/cdefs.h>
     34   1.1     matt 
     35  1.11   andvar __KERNEL_RCSID(1, "$NetBSD: bcm53xx_usb.c,v 1.11 2025/07/03 19:09:48 andvar Exp $");
     36   1.1     matt 
     37   1.5     matt #include <sys/param.h>
     38   1.1     matt #include <sys/bus.h>
     39   1.1     matt #include <sys/device.h>
     40   1.1     matt #include <sys/intr.h>
     41   1.1     matt #include <sys/systm.h>
     42   1.1     matt 
     43   1.1     matt #include <arm/broadcom/bcm53xx_reg.h>
     44   1.1     matt #include <arm/broadcom/bcm53xx_var.h>
     45   1.1     matt 
     46   1.1     matt #include <dev/usb/usb.h>
     47   1.1     matt #include <dev/usb/usbdi.h>
     48   1.1     matt #include <dev/usb/usbdivar.h>
     49   1.1     matt #include <dev/usb/usb_mem.h>
     50   1.1     matt 
     51   1.1     matt #include <dev/usb/ohcireg.h>
     52   1.1     matt #include <dev/usb/ohcivar.h>
     53   1.1     matt 
     54   1.1     matt #include <dev/usb/ehcireg.h>
     55   1.1     matt #include <dev/usb/ehcivar.h>
     56   1.1     matt 
     57   1.1     matt struct bcmusb_softc {
     58   1.1     matt 	device_t usbsc_dev;
     59   1.1     matt 	bus_dma_tag_t usbsc_dmat;
     60   1.1     matt 	bus_space_tag_t usbsc_bst;
     61   1.1     matt 	bus_space_handle_t usbsc_ehci_bsh;
     62   1.1     matt 	bus_space_handle_t usbsc_ohci_bsh;
     63   1.1     matt 
     64   1.1     matt 	device_t usbsc_ohci_dev;
     65   1.1     matt 	device_t usbsc_ehci_dev;
     66   1.1     matt 	void *usbsc_ohci_sc;
     67   1.1     matt 	void *usbsc_ehci_sc;
     68   1.1     matt 	void *usbsc_ih;
     69   1.1     matt };
     70   1.1     matt 
     71   1.1     matt struct bcmusb_attach_args {
     72   1.1     matt 	const char *usbaa_name;
     73   1.1     matt 	bus_dma_tag_t usbaa_dmat;
     74   1.1     matt 	bus_space_tag_t usbaa_bst;
     75   1.1     matt 	bus_space_handle_t usbaa_bsh;
     76   1.1     matt 	bus_size_t usbaa_size;
     77   1.1     matt };
     78   1.1     matt 
     79   1.1     matt #ifdef OHCI_DEBUG
     80   1.1     matt #define OHCI_DPRINTF(x)	if (ohcidebug) printf x
     81   1.1     matt extern int ohcidebug;
     82   1.1     matt #else
     83   1.1     matt #define OHCI_DPRINTF(x)
     84   1.1     matt #endif
     85   1.1     matt 
     86   1.1     matt static int ohci_bcmusb_match(device_t, cfdata_t, void *);
     87   1.1     matt static void ohci_bcmusb_attach(device_t, device_t, void *);
     88   1.1     matt 
     89   1.1     matt CFATTACH_DECL_NEW(ohci_bcmusb, sizeof(struct ohci_softc),
     90   1.1     matt 	ohci_bcmusb_match, ohci_bcmusb_attach, NULL, NULL);
     91   1.1     matt 
     92   1.1     matt static int
     93   1.1     matt ohci_bcmusb_match(device_t parent, cfdata_t cf, void *aux)
     94   1.1     matt {
     95   1.1     matt 	struct bcmusb_attach_args * const usbaa = aux;
     96   1.1     matt 
     97   1.1     matt 	if (strcmp(cf->cf_name, usbaa->usbaa_name))
     98   1.1     matt 		return 0;
     99   1.1     matt 
    100   1.1     matt 	return 1;
    101   1.1     matt }
    102   1.1     matt 
    103   1.1     matt static void
    104   1.1     matt ohci_bcmusb_attach(device_t parent, device_t self, void *aux)
    105   1.1     matt {
    106   1.1     matt 	struct ohci_softc * const sc = device_private(self);
    107   1.1     matt 	struct bcmusb_attach_args * const usbaa = aux;
    108   1.1     matt 
    109   1.1     matt 	sc->sc_dev = self;
    110   1.1     matt 
    111   1.1     matt 	sc->iot = usbaa->usbaa_bst;
    112   1.1     matt 	sc->ioh = usbaa->usbaa_bsh;
    113   1.1     matt 	sc->sc_size = usbaa->usbaa_size;
    114   1.7    skrll 	sc->sc_bus.ub_dmatag = usbaa->usbaa_dmat;
    115   1.7    skrll 	sc->sc_bus.ub_hcpriv = sc;
    116   1.1     matt 
    117   1.1     matt 	aprint_naive(": OHCI USB controller\n");
    118   1.1     matt 	aprint_normal(": OHCI USB controller\n");
    119   1.1     matt 
    120   1.1     matt 	int error = ohci_init(sc);
    121   1.7    skrll 	if (error) {
    122   1.1     matt 		aprint_error_dev(self, "init failed, error=%d\n", error);
    123   1.6    skrll 		return;
    124   1.1     matt 	}
    125   1.6    skrll 
    126   1.6    skrll 	/* Attach usb device. */
    127  1.10  thorpej 	sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE);
    128   1.1     matt }
    129   1.1     matt 
    130   1.1     matt #ifdef EHCI_DEBUG
    131   1.1     matt #define EHCI_DPRINTF(x)	if (ehcidebug) printf x
    132   1.1     matt extern int ehcidebug;
    133   1.1     matt #else
    134   1.1     matt #define EHCI_DPRINTF(x)
    135   1.1     matt #endif
    136   1.1     matt 
    137   1.1     matt static int ehci_bcmusb_match(device_t, cfdata_t, void *);
    138   1.1     matt static void ehci_bcmusb_attach(device_t, device_t, void *);
    139   1.1     matt 
    140   1.1     matt CFATTACH_DECL_NEW(ehci_bcmusb, sizeof(struct ehci_softc),
    141   1.1     matt 	ehci_bcmusb_match, ehci_bcmusb_attach, NULL, NULL);
    142   1.1     matt 
    143   1.1     matt static int
    144   1.1     matt ehci_bcmusb_match(device_t parent, cfdata_t cf, void *aux)
    145   1.1     matt {
    146   1.1     matt 	struct bcmusb_attach_args * const usbaa = aux;
    147   1.1     matt 
    148   1.1     matt 	if (strcmp(cf->cf_name, usbaa->usbaa_name))
    149   1.1     matt 		return 0;
    150   1.1     matt 
    151   1.1     matt 	return 1;
    152   1.1     matt }
    153   1.1     matt 
    154   1.1     matt static void
    155   1.1     matt ehci_bcmusb_attach(device_t parent, device_t self, void *aux)
    156   1.1     matt {
    157   1.1     matt 	struct bcmusb_softc * const usbsc = device_private(parent);
    158   1.1     matt 	struct ehci_softc * const sc = device_private(self);
    159   1.1     matt 	struct bcmusb_attach_args * const usbaa = aux;
    160   1.1     matt 
    161   1.1     matt 	sc->sc_dev = self;
    162   1.1     matt 
    163   1.1     matt 	sc->iot = usbaa->usbaa_bst;
    164   1.1     matt 	sc->ioh = usbaa->usbaa_bsh;
    165   1.1     matt 	sc->sc_size = usbaa->usbaa_size;
    166   1.7    skrll 	sc->sc_bus.ub_dmatag = usbaa->usbaa_dmat;
    167   1.7    skrll 	sc->sc_bus.ub_hcpriv = sc;
    168   1.7    skrll 	sc->sc_bus.ub_revision = USBREV_2_0;
    169   1.1     matt 	sc->sc_ncomp = 0;
    170   1.1     matt 	if (usbsc->usbsc_ohci_dev != NULL) {
    171   1.1     matt 		sc->sc_comps[sc->sc_ncomp++] = usbsc->usbsc_ohci_dev;
    172   1.1     matt 	}
    173   1.1     matt 
    174   1.1     matt 	aprint_naive(": EHCI USB controller\n");
    175  1.11   andvar 	aprint_normal(": EHCI USB controller\n");
    176   1.1     matt 
    177   1.1     matt 	int error = ehci_init(sc);
    178   1.7    skrll 	if (error) {
    179   1.1     matt 		aprint_error_dev(self, "init failed, error=%d\n", error);
    180   1.6    skrll 		return;
    181   1.1     matt 	}
    182   1.6    skrll 	/* Attach usb device. */
    183  1.10  thorpej 	sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint, CFARGS_NONE);
    184   1.1     matt }
    185   1.1     matt 
    186   1.1     matt /*
    187  1.11   andvar  * There's only IRQ shared between both OHCI and EHCI devices.
    188   1.1     matt  */
    189   1.1     matt static int
    190   1.1     matt bcmusb_intr(void *arg)
    191   1.1     matt {
    192   1.1     matt 	struct bcmusb_softc * const usbsc = arg;
    193   1.1     matt 	int rv0 = 0, rv1 = 0;
    194   1.1     matt 
    195   1.1     matt 	if (usbsc->usbsc_ohci_sc)
    196   1.1     matt 		rv0 = ohci_intr(usbsc->usbsc_ohci_sc);
    197   1.1     matt 
    198   1.1     matt 	if (usbsc->usbsc_ehci_sc)
    199   1.1     matt 		rv1 = ehci_intr(usbsc->usbsc_ehci_sc);
    200   1.1     matt 
    201   1.1     matt 	return rv0 ? rv0 : rv1;
    202   1.1     matt }
    203   1.1     matt 
    204   1.1     matt static int bcmusb_ccb_match(device_t, cfdata_t, void *);
    205   1.1     matt static void bcmusb_ccb_attach(device_t, device_t, void *);
    206   1.1     matt 
    207   1.1     matt CFATTACH_DECL_NEW(bcmusb_ccb, sizeof(struct bcmusb_softc),
    208   1.1     matt 	bcmusb_ccb_match, bcmusb_ccb_attach, NULL, NULL);
    209   1.1     matt 
    210   1.1     matt int
    211   1.1     matt bcmusb_ccb_match(device_t parent, cfdata_t cf, void *aux)
    212   1.1     matt {
    213   1.1     matt 	struct bcmccb_attach_args * const ccbaa = aux;
    214   1.1     matt 	const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
    215   1.1     matt 
    216   1.1     matt 	if (strcmp(cf->cf_name, loc->loc_name) != 0)
    217   1.1     matt 		return 0;
    218   1.1     matt 
    219   1.1     matt 	KASSERT(cf->cf_loc[BCMCCBCF_PORT] == BCMCCBCF_PORT_DEFAULT);
    220   1.1     matt 
    221   1.1     matt 	return 1;
    222   1.1     matt }
    223   1.1     matt 
    224   1.4     matt #define	OHCI_OFFSET	(OHCI_BASE - EHCI_BASE)
    225   1.4     matt 
    226   1.1     matt void
    227   1.1     matt bcmusb_ccb_attach(device_t parent, device_t self, void *aux)
    228   1.1     matt {
    229   1.1     matt 	struct bcmusb_softc * const usbsc = device_private(self);
    230   1.1     matt 	const struct bcmccb_attach_args * const ccbaa = aux;
    231   1.1     matt 	const struct bcm_locators * const loc = &ccbaa->ccbaa_loc;
    232   1.1     matt 
    233   1.1     matt 	usbsc->usbsc_bst = ccbaa->ccbaa_ccb_bst;
    234   1.1     matt 	usbsc->usbsc_dmat = ccbaa->ccbaa_dmat;
    235   1.1     matt 
    236   1.4     matt 	bus_space_subregion(usbsc->usbsc_bst, ccbaa->ccbaa_ccb_bsh,
    237   1.4     matt 	    loc->loc_offset, 0x1000, &usbsc->usbsc_ehci_bsh);
    238   1.4     matt 	bus_space_subregion(usbsc->usbsc_bst, ccbaa->ccbaa_ccb_bsh,
    239   1.4     matt 	    loc->loc_offset + OHCI_OFFSET, 0x1000, &usbsc->usbsc_ohci_bsh);
    240   1.1     matt 
    241   1.1     matt 	/*
    242   1.3     matt 	 * Bring the PHYs out of reset.
    243   1.3     matt 	 */
    244   1.3     matt 	bus_space_write_4(usbsc->usbsc_bst, usbsc->usbsc_ehci_bsh,
    245   1.3     matt 	    USBH_PHY_CTRL_P0, USBH_PHY_CTRL_INIT);
    246   1.3     matt 	bus_space_write_4(usbsc->usbsc_bst, usbsc->usbsc_ehci_bsh,
    247   1.3     matt 	    USBH_PHY_CTRL_P1, USBH_PHY_CTRL_INIT);
    248   1.3     matt 
    249   1.3     matt 	/*
    250   1.1     matt 	 * Disable interrupts
    251   1.1     matt 	 */
    252   1.1     matt 	bus_space_write_4(usbsc->usbsc_bst, usbsc->usbsc_ohci_bsh,
    253   1.1     matt 	    OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS);
    254   1.1     matt 	bus_size_t caplength = bus_space_read_1(usbsc->usbsc_bst,
    255   1.1     matt 	    usbsc->usbsc_ehci_bsh, EHCI_CAPLENGTH);
    256   1.1     matt 	bus_space_write_4(usbsc->usbsc_bst, usbsc->usbsc_ehci_bsh,
    257   1.1     matt 	    caplength + EHCI_USBINTR, 0);
    258   1.1     matt 
    259   1.1     matt 	aprint_naive("\n");
    260   1.1     matt 	aprint_normal("\n");
    261   1.1     matt 
    262   1.1     matt 	struct bcmusb_attach_args usbaa_ohci = {
    263   1.1     matt 		.usbaa_name = "ohci",
    264   1.1     matt 		.usbaa_dmat = usbsc->usbsc_dmat,
    265   1.1     matt 		.usbaa_bst = usbsc->usbsc_bst,
    266   1.1     matt 		.usbaa_bsh = usbsc->usbsc_ohci_bsh,
    267   1.1     matt 		.usbaa_size = 0x100,
    268   1.1     matt 	};
    269   1.1     matt 
    270   1.9  thorpej 	usbsc->usbsc_ohci_dev = config_found(self, &usbaa_ohci, NULL,
    271  1.10  thorpej 	    CFARGS_NONE);
    272   1.1     matt 	if (usbsc->usbsc_ohci_dev != NULL)
    273   1.1     matt 		usbsc->usbsc_ohci_sc = device_private(usbsc->usbsc_ohci_dev);
    274   1.1     matt 
    275   1.1     matt 	struct bcmusb_attach_args usbaa_ehci = {
    276   1.1     matt 		.usbaa_name = "ehci",
    277   1.1     matt 		.usbaa_dmat = usbsc->usbsc_dmat,
    278   1.1     matt 		.usbaa_bst = usbsc->usbsc_bst,
    279   1.1     matt 		.usbaa_bsh = usbsc->usbsc_ehci_bsh,
    280   1.1     matt 		.usbaa_size = 0x100,
    281   1.1     matt 	};
    282   1.1     matt 
    283   1.9  thorpej 	usbsc->usbsc_ehci_dev = config_found(self, &usbaa_ehci, NULL,
    284  1.10  thorpej 	    CFARGS_NONE);
    285   1.1     matt 	if (usbsc->usbsc_ehci_dev != NULL)
    286   1.1     matt 		usbsc->usbsc_ehci_sc = device_private(usbsc->usbsc_ehci_dev);
    287   1.1     matt 
    288   1.1     matt 	usbsc->usbsc_ih = intr_establish(loc->loc_intrs[0], IPL_USB, IST_LEVEL,
    289   1.1     matt 	    bcmusb_intr, usbsc);
    290   1.1     matt 	if (usbsc->usbsc_ih == NULL) {
    291   1.1     matt 		aprint_error_dev(self, "failed to establish interrupt %d\n",
    292   1.1     matt 		     loc->loc_intrs[0]);
    293   1.1     matt 		return;
    294   1.1     matt 	}
    295   1.1     matt 	aprint_normal_dev(self, "interrupting on irq %d\n", loc->loc_intrs[0]);
    296   1.1     matt }
    297