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