obs600_autoconf.c revision 1.12 
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. */
60static 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 */
93void
94cpu_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
113void
114device_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