xref: /aosp_15_r20/external/arm-trusted-firmware/plat/mediatek/common/params_setup.c (revision 54fd6939e177f8ff529b10183254802c76df6d08)
1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park  * Copyright (c) 2019, MediaTek Inc. All rights reserved.
3*54fd6939SJiyong Park  *
4*54fd6939SJiyong Park  * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park  */
6*54fd6939SJiyong Park 
7*54fd6939SJiyong Park #include <lib/bl_aux_params/bl_aux_params.h>
8*54fd6939SJiyong Park #include <common/debug.h>
9*54fd6939SJiyong Park #include <plat_params.h>
10*54fd6939SJiyong Park #include <string.h>
11*54fd6939SJiyong Park 
12*54fd6939SJiyong Park static struct bl_aux_gpio_info rst_gpio;
13*54fd6939SJiyong Park 
plat_get_mtk_gpio_reset(void)14*54fd6939SJiyong Park struct bl_aux_gpio_info *plat_get_mtk_gpio_reset(void)
15*54fd6939SJiyong Park {
16*54fd6939SJiyong Park 	return &rst_gpio;
17*54fd6939SJiyong Park }
18*54fd6939SJiyong Park 
mtk_aux_param_handler(struct bl_aux_param_header * param)19*54fd6939SJiyong Park static bool mtk_aux_param_handler(struct bl_aux_param_header *param)
20*54fd6939SJiyong Park {
21*54fd6939SJiyong Park 	/* Store platform parameters for later processing if needed. */
22*54fd6939SJiyong Park 	switch (param->type) {
23*54fd6939SJiyong Park 	case BL_AUX_PARAM_MTK_RESET_GPIO:
24*54fd6939SJiyong Park 		rst_gpio = ((struct bl_aux_param_gpio *)param)->gpio;
25*54fd6939SJiyong Park 		return true;
26*54fd6939SJiyong Park 	}
27*54fd6939SJiyong Park 
28*54fd6939SJiyong Park 	return false;
29*54fd6939SJiyong Park }
30*54fd6939SJiyong Park 
params_early_setup(u_register_t plat_param_from_bl2)31*54fd6939SJiyong Park void params_early_setup(u_register_t plat_param_from_bl2)
32*54fd6939SJiyong Park {
33*54fd6939SJiyong Park 	bl_aux_params_parse(plat_param_from_bl2, mtk_aux_param_handler);
34*54fd6939SJiyong Park }
35*54fd6939SJiyong Park 
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