1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 1994-1998 Mark Brinicombe.
5 * Copyright (c) 1994 Brini.
6 * All rights reserved.
7 *
8 * This code is derived from software written for Brini by Mark Brinicombe
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *      This product includes software developed by Brini.
21 * 4. The name of the company nor the name of the author may be used to
22 *    endorse or promote products derived from this software without specific
23 *    prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28 * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
38 */
39
40#include "opt_platform.h"
41
42#include <sys/cdefs.h>
43__FBSDID("$FreeBSD$");
44
45#include <sys/param.h>
46#include <sys/systm.h>
47#include <sys/bus.h>
48#include <sys/devmap.h>
49
50#include <vm/vm.h>
51#include <vm/pmap.h>
52
53#include <machine/bus.h>
54#include <machine/machdep.h>
55#include <machine/platformvar.h>
56
57#include <arm/ti/omap4/omap4_machdep.h>
58#include <arm/ti/omap4/omap4_reg.h>
59#include <arm/ti/ti_cpuid.h>
60
61#include "platform_if.h"
62
63#if defined(SOC_OMAP4)
64#include "platform_pl310_if.h"
65
66static platform_attach_t omap4_attach;
67static platform_devmap_init_t ti_omap4_devmap_init;
68#endif
69#if defined(SOC_TI_AM335X)
70static platform_attach_t ti_am335x_attach;
71static platform_devmap_init_t ti_am335x_devmap_init;
72#endif
73static platform_cpu_reset_t ti_plat_cpu_reset;
74
75void (*ti_cpu_reset)(void) = NULL;
76
77int _ti_chip = -1;
78
79#if defined(SOC_OMAP4)
80static int
81omap4_attach(platform_t plat)
82{
83	_ti_chip = CHIP_OMAP_4;
84	return (0);
85}
86#endif
87
88#if defined(SOC_TI_AM335X)
89static int
90ti_am335x_attach(platform_t plat)
91{
92	_ti_chip = CHIP_AM335X;
93	return (0);
94}
95#endif
96
97/*
98 * Construct static devmap entries to map out the most frequently used
99 * peripherals using 1mb section mappings.
100 */
101#if defined(SOC_OMAP4)
102static int
103ti_omap4_devmap_init(platform_t plat)
104{
105	devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
106	devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
107	return (0);
108}
109#endif
110
111#if defined(SOC_TI_AM335X)
112static int
113ti_am335x_devmap_init(platform_t plat)
114{
115
116	devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/
117	devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB            */
118	devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2         */
119	devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
120	devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3          */
121	devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3          */
122	devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
123	return (0);
124}
125#endif
126
127static void
128ti_plat_cpu_reset(platform_t plat)
129{
130	if (ti_cpu_reset)
131		(*ti_cpu_reset)();
132	else
133		printf("no cpu_reset implementation\n");
134}
135
136#if defined(SOC_OMAP4)
137static platform_method_t omap4_methods[] = {
138	PLATFORMMETHOD(platform_attach, 	omap4_attach),
139	PLATFORMMETHOD(platform_devmap_init,	ti_omap4_devmap_init),
140	PLATFORMMETHOD(platform_cpu_reset,	ti_plat_cpu_reset),
141
142#ifdef SMP
143	PLATFORMMETHOD(platform_mp_start_ap,	omap4_mp_start_ap),
144	PLATFORMMETHOD(platform_mp_setmaxid,	omap4_mp_setmaxid),
145#endif
146
147	PLATFORMMETHOD(platform_pl310_init,	omap4_pl310_init),
148	PLATFORMMETHOD(platform_pl310_write_ctrl, omap4_pl310_write_ctrl),
149	PLATFORMMETHOD(platform_pl310_write_debug, omap4_pl310_write_debug),
150
151	PLATFORMMETHOD_END,
152};
153FDT_PLATFORM_DEF(omap4, "omap4", 0, "ti,omap4430", 200);
154#endif
155
156#if defined(SOC_TI_AM335X)
157static platform_method_t am335x_methods[] = {
158	PLATFORMMETHOD(platform_attach, 	ti_am335x_attach),
159	PLATFORMMETHOD(platform_devmap_init,	ti_am335x_devmap_init),
160	PLATFORMMETHOD(platform_cpu_reset,	ti_plat_cpu_reset),
161
162	PLATFORMMETHOD_END,
163};
164
165FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am33xx", 200);
166#endif
167