blob: b70245fed431da1d2f8312e94ff4888202e32c9c [file] [log] [blame]
Rex-BC Chen749b2112021-09-28 11:24:09 +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>
Rex-BC Chen0bee8f92021-10-06 19:00:13 +080014#include <drivers/generic_delay_timer.h>
Rex-BC Chen749b2112021-09-28 11:24:09 +080015#include <drivers/ti/uart/uart_16550.h>
16#include <lib/coreboot.h>
17
18/* Platform Includes */
Penny Janfb70fb42021-10-03 10:11:04 +080019#include <emi_mpu.h>
Christine Zhuccd26002021-10-11 21:29:58 +080020#include <mt_gic_v3.h>
Rex-BC Chend24c05d2021-10-06 18:55:53 +080021#include <mt_timer.h>
Guodong Liu532016e2021-10-15 16:52:18 +080022#include <mtgpio.h>
Edward-JW Yang63582ec2021-11-01 20:20:18 +080023#include <mtk_dcm.h>
Rex-BC Chen749b2112021-09-28 11:24:09 +080024#include <plat_params.h>
25#include <plat_private.h>
26
27static entry_point_info_t bl32_ep_info;
28static entry_point_info_t bl33_ep_info;
29
30/*******************************************************************************
31 * Return a pointer to the 'entry_point_info' structure of the next image for
32 * the security state specified. BL33 corresponds to the non-secure image type
33 * while BL32 corresponds to the secure image type. A NULL pointer is returned
34 * if the image does not exist.
35 ******************************************************************************/
36entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
37{
38 entry_point_info_t *next_image_info;
39
40 next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
41 assert(next_image_info->h.type == PARAM_EP);
42
43 /* None of the images on this platform can have 0x0 as the entrypoint */
44 if (next_image_info->pc) {
45 return next_image_info;
46 } else {
47 return NULL;
48 }
49}
50
51/*******************************************************************************
52 * Perform any BL31 early platform setup. Here is an opportunity to copy
53 * parameters passed by the calling EL (S-EL1 in BL2 & S-EL3 in BL1) before they
54 * are lost (potentially). This needs to be done before the MMU is initialized
55 * so that the memory layout can be used while creating page tables.
56 * BL2 has flushed this information to memory, so we are guaranteed to pick up
57 * good data.
58 ******************************************************************************/
59void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
60 u_register_t arg2, u_register_t arg3)
61{
62 static console_t console;
63
64 params_early_setup(arg1);
65
66#if COREBOOT
67 if (coreboot_serial.type) {
68 console_16550_register(coreboot_serial.baseaddr,
69 coreboot_serial.input_hertz,
70 coreboot_serial.baud,
71 &console);
72 }
73#else
74 console_16550_register(UART0_BASE, UART_CLOCK, UART_BAUDRATE, &console);
75#endif
76
77 INFO("MT8186 bl31_setup\n");
78
79 bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info);
80}
81
82
83/*******************************************************************************
84 * Perform any BL31 platform setup code
85 ******************************************************************************/
86void bl31_platform_setup(void)
87{
Edward-JW Yang63582ec2021-11-01 20:20:18 +080088 dcm_set_default();
89
Christine Zhuccd26002021-10-11 21:29:58 +080090 /* Initialize the GIC driver, CPU and distributor interfaces */
91 mt_gic_driver_init();
92 mt_gic_init();
93
Guodong Liu532016e2021-10-15 16:52:18 +080094 mt_gpio_init();
Rex-BC Chend24c05d2021-10-06 18:55:53 +080095 mt_systimer_init();
Rex-BC Chen0bee8f92021-10-06 19:00:13 +080096 generic_delay_timer_init();
97
Penny Janfb70fb42021-10-03 10:11:04 +080098 emi_mpu_init();
Rex-BC Chen749b2112021-09-28 11:24:09 +080099}
100
101/*******************************************************************************
102 * Perform the very early platform specific architectural setup here. At the
103 * moment this is only intializes the mmu in a quick and dirty way.
104 ******************************************************************************/
105void bl31_plat_arch_setup(void)
106{
107 plat_configure_mmu_el3(BL31_START,
108 BL31_END - BL31_START,
109 BL_CODE_BASE,
110 BL_CODE_END);
111}