1*37e35e27Sjsg /* $OpenBSD: platform.c,v 1.27 2021/05/16 03:39:28 jsg Exp $ */
2f93d18d6Sjsg /*
3f93d18d6Sjsg * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
4f93d18d6Sjsg *
5f93d18d6Sjsg * Permission to use, copy, modify, and distribute this software for any
6f93d18d6Sjsg * purpose with or without fee is hereby granted, provided that the above
7f93d18d6Sjsg * copyright notice and this permission notice appear in all copies.
8f93d18d6Sjsg *
9f93d18d6Sjsg * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10f93d18d6Sjsg * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11f93d18d6Sjsg * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12f93d18d6Sjsg * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13f93d18d6Sjsg * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14f93d18d6Sjsg * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15f93d18d6Sjsg * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16f93d18d6Sjsg */
17f93d18d6Sjsg
18f93d18d6Sjsg #include <sys/param.h>
19f93d18d6Sjsg
20f93d18d6Sjsg #include <machine/bus.h>
21f93d18d6Sjsg
22eeb18b9dSjsg #include <arm/mainbus/mainbus.h>
23f93d18d6Sjsg #include <armv7/armv7/armv7var.h>
24f93d18d6Sjsg #include <armv7/armv7/armv7_machdep.h>
25f93d18d6Sjsg #include <arm/cortex/smc.h>
26f93d18d6Sjsg
27f93d18d6Sjsg #include "omap.h"
28f93d18d6Sjsg
29f93d18d6Sjsg static struct armv7_platform *platform;
30f93d18d6Sjsg
3124e5cb75Skettenis void agtimer_init(void);
3224e5cb75Skettenis
33282e735eSvisa extern void cduart_init_cons(void);
34917650c7Skettenis extern void exuart_init_cons(void);
35917650c7Skettenis extern void imxuart_init_cons(void);
36917650c7Skettenis extern void com_fdt_init_cons(void);
37917650c7Skettenis extern void pluart_init_cons(void);
38917650c7Skettenis extern void simplefb_init_cons(bus_space_tag_t);
39557e6971Sjsg
40f93d18d6Sjsg struct armv7_platform *omap_platform_match(void);
41f93d18d6Sjsg
42f93d18d6Sjsg struct armv7_platform * (*plat_match[])(void) = {
43f93d18d6Sjsg #if NOMAP > 0
44f93d18d6Sjsg omap_platform_match,
45f93d18d6Sjsg #endif
46f93d18d6Sjsg };
47f93d18d6Sjsg
48eeb18b9dSjsg struct board_dev no_devs[] = {
49eeb18b9dSjsg { NULL, 0 }
50eeb18b9dSjsg };
51eeb18b9dSjsg
52f93d18d6Sjsg void
platform_init(void)53f93d18d6Sjsg platform_init(void)
54f93d18d6Sjsg {
55f93d18d6Sjsg int i;
56f93d18d6Sjsg
5724e5cb75Skettenis agtimer_init();
5824e5cb75Skettenis
59f93d18d6Sjsg for (i = 0; i < nitems(plat_match); i++) {
60f93d18d6Sjsg platform = plat_match[i]();
61f93d18d6Sjsg if (platform != NULL)
62f93d18d6Sjsg break;
63f93d18d6Sjsg }
648f9e784cSpatrick
658f9e784cSpatrick if (platform == NULL)
668f9e784cSpatrick return;
678f9e784cSpatrick
688f9e784cSpatrick cpuresetfn = platform_watchdog_reset;
6903a61905Sjsg powerdownfn = platform_powerdown;
708f9e784cSpatrick if (platform->board_init)
71a6e67600Sjsg platform->board_init();
72f93d18d6Sjsg }
73f93d18d6Sjsg
74f93d18d6Sjsg void
platform_smc_write(bus_space_tag_t iot,bus_space_handle_t ioh,bus_size_t off,uint32_t op,uint32_t val)75f93d18d6Sjsg platform_smc_write(bus_space_tag_t iot, bus_space_handle_t ioh, bus_size_t off,
76f93d18d6Sjsg uint32_t op, uint32_t val)
77f93d18d6Sjsg {
78eeb18b9dSjsg if (platform && platform->smc_write)
79f93d18d6Sjsg platform->smc_write(iot, ioh, off, op, val);
80eeb18b9dSjsg else
81eeb18b9dSjsg bus_space_write_4(iot, ioh, off, val);
82f93d18d6Sjsg }
83f93d18d6Sjsg
84f93d18d6Sjsg void
platform_init_cons(void)85f93d18d6Sjsg platform_init_cons(void)
86f93d18d6Sjsg {
87557e6971Sjsg if (platform && platform->init_cons) {
88f93d18d6Sjsg platform->init_cons();
89557e6971Sjsg return;
90557e6971Sjsg }
91282e735eSvisa cduart_init_cons();
92557e6971Sjsg exuart_init_cons();
93557e6971Sjsg imxuart_init_cons();
94769dc45fSpatrick com_fdt_init_cons();
95360d91c8Sjsg pluart_init_cons();
96917650c7Skettenis simplefb_init_cons(&armv7_bs_tag);
97f93d18d6Sjsg }
98f93d18d6Sjsg
99f93d18d6Sjsg void
platform_init_mainbus(struct device * self)1004a91dee8Skettenis platform_init_mainbus(struct device *self)
1014a91dee8Skettenis {
102eeb18b9dSjsg if (platform && platform->init_mainbus)
1034a91dee8Skettenis platform->init_mainbus(self);
104eeb18b9dSjsg else
105eeb18b9dSjsg mainbus_legacy_found(self, "cortex");
1064a91dee8Skettenis }
1074a91dee8Skettenis
1084a91dee8Skettenis void
platform_watchdog_reset(void)109f93d18d6Sjsg platform_watchdog_reset(void)
110f93d18d6Sjsg {
111eeb18b9dSjsg if (platform && platform->watchdog_reset)
112f93d18d6Sjsg platform->watchdog_reset();
113f93d18d6Sjsg }
114f93d18d6Sjsg
115f93d18d6Sjsg void
platform_powerdown(void)116f93d18d6Sjsg platform_powerdown(void)
117f93d18d6Sjsg {
118eeb18b9dSjsg if (platform && platform->powerdown)
119f93d18d6Sjsg platform->powerdown();
120f93d18d6Sjsg }
121f93d18d6Sjsg
122f93d18d6Sjsg struct board_dev *
platform_board_devs(void)123*37e35e27Sjsg platform_board_devs(void)
124f93d18d6Sjsg {
125eeb18b9dSjsg if (platform && platform->devs)
126f93d18d6Sjsg return (platform->devs);
127eeb18b9dSjsg else
128eeb18b9dSjsg return (no_devs);
129f93d18d6Sjsg }
130