| Caesar Wang | 3e3c5b0 | 2016-05-25 19:03:04 +0800 | [diff] [blame] | 1 | /* |
| 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 | |
| 43 | static struct bl31_plat_param *bl31_params_head; |
| 44 | static struct bl31_gpio_param param_reset; |
| 45 | static struct bl31_gpio_param param_poweroff; |
| 46 | static struct gpio_info *rst_gpio; |
| 47 | static struct gpio_info *poweroff_gpio; |
| 48 | |
| 49 | void *plat_get_rockchip_gpio_reset(void) |
| 50 | { |
| 51 | return rst_gpio; |
| 52 | } |
| 53 | |
| 54 | void *plat_get_rockchip_gpio_poweroff(void) |
| 55 | { |
| 56 | return poweroff_gpio; |
| 57 | } |
| 58 | |
| 59 | void 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 *)¶m_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 *)¶m_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 | } |