blob: 646c1e133cc4432d06ab8add80edcb8f2d44acf5 [file] [log] [blame]
/*
* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arm_gic.h>
#include <assert.h>
#include <bl_common.h>
#include <console.h>
#include <debug.h>
#include <gpio.h>
#include <mmio.h>
#include <platform.h>
#include <plat_params.h>
#include <plat_private.h>
#include <string.h>
static struct gpio_info param_reset;
static struct gpio_info param_poweroff;
static struct bl31_apio_param param_apio;
static struct gpio_info *rst_gpio;
static struct gpio_info *poweroff_gpio;
static struct gpio_info suspend_gpio[10];
uint32_t suspend_gpio_cnt;
static struct apio_info *suspend_apio;
struct gpio_info *plat_get_rockchip_gpio_reset(void)
{
return rst_gpio;
}
struct gpio_info *plat_get_rockchip_gpio_poweroff(void)
{
return poweroff_gpio;
}
struct gpio_info *plat_get_rockchip_suspend_gpio(uint32_t *count)
{
*count = suspend_gpio_cnt;
return &suspend_gpio[0];
}
struct apio_info *plat_get_rockchip_suspend_apio(void)
{
return suspend_apio;
}
void params_early_setup(void *plat_param_from_bl2)
{
struct bl31_plat_param *bl2_param;
struct bl31_gpio_param *gpio_param;
/* keep plat parameters for later processing if need */
bl2_param = (struct bl31_plat_param *)plat_param_from_bl2;
while (bl2_param) {
switch (bl2_param->type) {
case PARAM_RESET:
gpio_param = (struct bl31_gpio_param *)bl2_param;
memcpy(&param_reset, &gpio_param->gpio,
sizeof(struct gpio_info));
rst_gpio = &param_reset;
break;
case PARAM_POWEROFF:
gpio_param = (struct bl31_gpio_param *)bl2_param;
memcpy(&param_poweroff, &gpio_param->gpio,
sizeof(struct gpio_info));
poweroff_gpio = &param_poweroff;
break;
case PARAM_SUSPEND_GPIO:
if (suspend_gpio_cnt >= ARRAY_SIZE(suspend_gpio)) {
ERROR("exceed support suspend gpio number\n");
break;
}
gpio_param = (struct bl31_gpio_param *)bl2_param;
memcpy(&suspend_gpio[suspend_gpio_cnt],
&gpio_param->gpio,
sizeof(struct gpio_info));
suspend_gpio_cnt++;
break;
case PARAM_SUSPEND_APIO:
memcpy(&param_apio, bl2_param,
sizeof(struct bl31_apio_param));
suspend_apio = &param_apio.apio;
break;
default:
ERROR("not expected type found %ld\n",
bl2_param->type);
break;
}
bl2_param = bl2_param->next;
}
}