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      1 /*	$NetBSD: obs600_autoconf.c,v 1.12 2021/03/30 04:41:30 rin Exp $	*/
      2 
      3 /*
      4  * Copyright 2004 Shigeyuki Fukushima.
      5  * All rights reserved.
      6  *
      7  * Written by Shigeyuki Fukushima for The NetBSD Project.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above
     15  *    copyright notice, this list of conditions and the following
     16  *    disclaimer in the documentation and/or other materials provided
     17  *    with the distribution.
     18  * 3. The name of the author may not be used to endorse or promote
     19  *    products derived from this software without specific prior
     20  *    written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
     28  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     29  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     30  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
     32  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     33  * DAMAGE.
     34  */
     35 #include <sys/cdefs.h>
     36 __KERNEL_RCSID(0, "$NetBSD: obs600_autoconf.c,v 1.12 2021/03/30 04:41:30 rin Exp $");
     37 
     38 #include "dwctwo.h"
     39 
     40 #include <sys/param.h>
     41 #include <sys/device.h>
     42 #include <sys/intr.h>
     43 #include <sys/systm.h>
     44 
     45 #include <machine/obs600.h>
     46 
     47 #include <powerpc/ibm4xx/cpu.h>
     48 #include <powerpc/ibm4xx/dcr4xx.h>
     49 
     50 #if NDWCTWO > 0
     51 #include <dev/usb/usb.h>
     52 #include <dev/usb/usbdi.h>
     53 #include <dev/usb/usbdivar.h>
     54 
     55 #include <dwc2/dwc2.h>
     56 #include <dwc2/dwc2var.h>
     57 #include "dwc2_core.h"
     58 
     59 /* This parameters was set from u-boot. */
     60 static struct dwc2_core_params dwctwo_obs600_params = {
     61 	.otg_cap			= 0,	/* HNP/SRP capable */
     62 	.otg_ver			= 0,	/* 1.3 */
     63 	.dma_enable			= 1,
     64 	.dma_desc_enable		= 0,
     65 	.speed				= 0,	/* High Speed */
     66 	.enable_dynamic_fifo		= 1,
     67 	.en_multiple_tx_fifo		= 0,
     68 	.host_rx_fifo_size		= 531,	/* 531 DWORDs */
     69 	.host_nperio_tx_fifo_size	= 256,	/* 256 DWORDs */
     70 	.host_perio_tx_fifo_size	= 256,	/* 256 DWORDs */
     71 	.max_transfer_size		= 524287,
     72 	.max_packet_count		= 1023,
     73 	.host_channels			= 4,
     74 	.phy_type			= 2,	/* ULPI */
     75 	.phy_utmi_width			= 8,	/* 8 bits */
     76 	.phy_ulpi_ddr			= 0,	/* Single */
     77 	.phy_ulpi_ext_vbus		= 0,
     78 	.i2c_enable			= 0,
     79 	.ulpi_fs_ls			= 0,
     80 	.host_support_fs_ls_low_power	= 0,
     81 	.host_ls_low_power_phy_clk	= 0,	/* 48 MHz */
     82 	.ts_dline			= 0,
     83 	.reload_ctl			= 0,
     84 	.ahbcfg				= 0x10,
     85 	.uframe_sched			= 1,
     86 };
     87 #endif
     88 
     89 
     90 /*
     91  * Determine device configuration for a machine.
     92  */
     93 void
     94 cpu_configure(void)
     95 {
     96 
     97 	/* Initialize intr and add UICs */
     98 	intr_init();
     99 	pic_add(&pic_uic1);
    100 	pic_add(&pic_uic2);
    101 
    102 	/* Make sure that timers run at CPU frequency */
    103 	mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
    104 
    105 	if (config_rootfound("plb", NULL) == NULL)
    106 		panic("configure: mainbus not configured");
    107 
    108 	pic_finish_setup();
    109 
    110 	genppc_cpu_configure();
    111 }
    112 
    113 void
    114 device_register(device_t dev, void *aux)
    115 {
    116 
    117 #if NDWCTWO > 0
    118 	if (device_is_a(dev, "dwctwo")) {
    119 		prop_dictionary_t dict = device_properties(dev);
    120 
    121 		prop_dictionary_set_uint32(dict, "params",
    122 		    (uint32_t)&dwctwo_obs600_params);
    123 		return;
    124 	}
    125 #endif
    126 
    127 	ibm4xx_device_register(dev, aux, OBS600_COM_FREQ);
    128 }
    129