blob: 2a49556f490a2b89781e714aa92cb55948da086c [file] [log] [blame]
Caesar Wang3e3c5b02016-05-25 19:03:04 +08001/*
2 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <arm_gic.h>
32#include <assert.h>
33#include <bl_common.h>
34#include <console.h>
35#include <debug.h>
36#include <gpio.h>
37#include <mmio.h>
38#include <platform.h>
39#include <plat_params.h>
40#include <plat_private.h>
41#include <string.h>
42
43static struct bl31_plat_param *bl31_params_head;
44static struct bl31_gpio_param param_reset;
45static struct bl31_gpio_param param_poweroff;
46static struct gpio_info *rst_gpio;
47static struct gpio_info *poweroff_gpio;
48
49void *plat_get_rockchip_gpio_reset(void)
50{
51 return rst_gpio;
52}
53
54void *plat_get_rockchip_gpio_poweroff(void)
55{
56 return poweroff_gpio;
57}
58
59void params_early_setup(void *plat_param_from_bl2)
60{
61 struct bl31_plat_param *param;
62 struct bl31_plat_param *bl2_param;
63 struct bl31_gpio_param *gpio_param;
64
65 /* keep plat parameters for later processing if need */
66 bl2_param = (struct bl31_plat_param *)plat_param_from_bl2;
67 while (bl2_param) {
68 switch (bl2_param->type) {
69 case PARAM_RESET:
70 param = (struct bl31_plat_param *)&param_reset;
71 memcpy((void *)param, (void *)bl2_param,
72 sizeof(struct bl31_gpio_param));
73 gpio_param = (struct bl31_gpio_param *)param;
74 rst_gpio = &gpio_param->gpio;
75 break;
76 case PARAM_POWEROFF:
77 param = (struct bl31_plat_param *)&param_poweroff;
78 memcpy((void *)param, (void *)bl2_param,
79 sizeof(struct bl31_gpio_param));
80 gpio_param = (struct bl31_gpio_param *)param;
81 poweroff_gpio = &gpio_param->gpio;
82 break;
83 default:
84 NOTICE("not expected type found\n");
85 return; /* don't continue if unexpected type found */
86 }
87 param->next = bl31_params_head;
88 bl31_params_head = param;
89 bl2_param = bl2_param->next;
90 }
91}