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developer8670d252021-03-19 22:13:11 +08001/*
2 * Copyright (c) 2021, MediaTek Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7/* System Includes */
8#include <assert.h>
9
10/* Project Includes */
11#include <common/bl_common.h>
12#include <common/debug.h>
13#include <common/desc_image_load.h>
developer98b97182021-03-26 18:33:43 +080014#include <drivers/generic_delay_timer.h>
developer8670d252021-03-19 22:13:11 +080015#include <drivers/ti/uart/uart_16550.h>
16#include <lib/coreboot.h>
17
18/* Platform Includes */
developere2be2dd2021-08-19 15:34:43 +080019#include <emi_mpu.h>
christine.zhua22c10b2021-03-24 21:44:52 +080020#include <mt_gic_v3.h>
Edward-JW Yang1c7fd0b2021-06-28 11:29:51 +080021#include <mt_spm.h>
developer4c1354b2021-04-22 14:56:58 +080022#include <mt_timer.h>
developer90b13412021-07-02 15:54:57 +080023#include <mtk_dcm.h>
developer912c7d22021-03-31 14:53:43 +080024#include <mtgpio.h>
developer8670d252021-03-19 22:13:11 +080025#include <plat_params.h>
26#include <plat_private.h>
27
28static entry_point_info_t bl32_ep_info;
29static entry_point_info_t bl33_ep_info;
30
31/*******************************************************************************
32 * Return a pointer to the 'entry_point_info' structure of the next image for
33 * the security state specified. BL33 corresponds to the non-secure image type
34 * while BL32 corresponds to the secure image type. A NULL pointer is returned
35 * if the image does not exist.
36 ******************************************************************************/
37entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
38{
39 entry_point_info_t *next_image_info;
40
41 next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
42 assert(next_image_info->h.type == PARAM_EP);
43
44 /* None of the images on this platform can have 0x0 as the entrypoint */
45 if (next_image_info->pc) {
46 return next_image_info;
47 } else {
48 return NULL;
49 }
50}
51
52/*******************************************************************************
53 * Perform any BL31 early platform setup. Here is an opportunity to copy
54 * parameters passed by the calling EL (S-EL1 in BL2 & S-EL3 in BL1) before they
55 * are lost (potentially). This needs to be done before the MMU is initialized
56 * so that the memory layout can be used while creating page tables.
57 * BL2 has flushed this information to memory, so we are guaranteed to pick up
58 * good data.
59 ******************************************************************************/
60void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
61 u_register_t arg2, u_register_t arg3)
62{
63 static console_t console;
64
65 params_early_setup(arg1);
66
67#if COREBOOT
68 if (coreboot_serial.type) {
69 console_16550_register(coreboot_serial.baseaddr,
70 coreboot_serial.input_hertz,
71 coreboot_serial.baud,
72 &console);
73 }
74#else
75 console_16550_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, &console);
76#endif
77
78 NOTICE("MT8195 bl31_setup\n");
79
80 bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info);
81}
82
83
84/*******************************************************************************
85 * Perform any BL31 platform setup code
86 ******************************************************************************/
87void bl31_platform_setup(void)
88{
developer90b13412021-07-02 15:54:57 +080089 /* Set dcm on */
90 if (!dcm_set_default()) {
91 ERROR("Failed to set default dcm on!!\n");
92 }
93
developere2be2dd2021-08-19 15:34:43 +080094 /* Initialize EMI MPU */
95 emi_mpu_init();
96
christine.zhua22c10b2021-03-24 21:44:52 +080097 /* Initialize the GIC driver, CPU and distributor interfaces */
98 mt_gic_driver_init();
99 mt_gic_init();
developer4c1354b2021-04-22 14:56:58 +0800100
developer912c7d22021-03-31 14:53:43 +0800101 mt_gpio_init();
developer4c1354b2021-04-22 14:56:58 +0800102 mt_systimer_init();
developer98b97182021-03-26 18:33:43 +0800103 generic_delay_timer_init();
Edward-JW Yang1c7fd0b2021-06-28 11:29:51 +0800104 spm_boot_init();
developer8670d252021-03-19 22:13:11 +0800105}
106
107/*******************************************************************************
108 * Perform the very early platform specific architectural setup here. At the
Elyes Haouas2be03c02023-02-13 09:14:48 +0100109 * moment this is only initializes the mmu in a quick and dirty way.
developer8670d252021-03-19 22:13:11 +0800110 ******************************************************************************/
111void bl31_plat_arch_setup(void)
112{
113 plat_configure_mmu_el3(BL31_START,
114 BL31_END - BL31_START,
115 BL_CODE_BASE,
116 BL_CODE_END);
117}