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/*
* Copyright (c) 2022, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <arch.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/delay_timer.h>
#include <drivers/generic_delay_timer.h>
#if XLAT_TABLES_LIB_V2 && PLAT_XLAT_TABLES_DYNAMIC
#include <lib/xlat_tables/xlat_tables_v2.h>
#endif
#include <plat/common/platform.h>
#if COREBOOT
#include <common/desc_image_load.h>
#include <drivers/ti/uart/uart_16550.h>
#include <lib/coreboot.h>
#include <plat_params.h>
#endif
/* MTK headers */
#if MTK_SIP_KERNEL_BOOT_ENABLE
#include <cold_boot.h>
#endif
#include <lib/mtk_init/mtk_init.h>
#include <mtk_mmap_pool.h>
IMPORT_SYM(uintptr_t, __RW_START__, RW_START);
IMPORT_SYM(uintptr_t, __DATA_START__, DATA_START);
#if COREBOOT
static entry_point_info_t bl32_ep_info;
static entry_point_info_t bl33_ep_info;
/*******************************************************************************
* Return a pointer to the 'entry_point_info' structure of the next image for
* the security state specified. BL33 corresponds to the non-secure image type
* while BL32 corresponds to the secure image type. A NULL pointer is returned
* if the image does not exist.
******************************************************************************/
entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
{
entry_point_info_t *next_image_info;
next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
assert(next_image_info->h.type == PARAM_EP);
/* None of the images on this platform can have 0x0 as the entrypoint */
if (next_image_info->pc) {
return next_image_info;
} else {
return NULL;
}
}
#else
#ifndef MTK_BL31_AS_BL2
static struct mtk_bl31_fw_config bl31_fw_config;
#else
struct mtk_bl31_fw_config bl31_fw_config;
#endif
/* In order to be accessed after MMU enable */
static struct mtk_bl_param_t bl_param_clone;
void *get_mtk_bl31_fw_config(int index)
{
void *arg = NULL;
switch (index) {
case BOOT_ARG_FROM_BL2:
arg = bl31_fw_config.from_bl2;
break;
case BOOT_ARG_SOC_FW_CONFIG:
arg = bl31_fw_config.soc_fw_config;
break;
case BOOT_ARG_HW_CONFIG:
arg = bl31_fw_config.hw_config;
break;
case BOOT_ARG_RESERVED:
arg = bl31_fw_config.reserved;
break;
default:
WARN("Fail to get boot arg, index:%d", index);
break;
}
return arg;
}
#endif
/*****************************************************************************
* Perform the very early platform specific architectural setup shared between
* ARM standard platforms. This only does basic initialization. Later
* architectural setup (bl31_arch_setup()) does not do anything platform
* specific.
******************************************************************************/
void bl31_early_platform_setup2(u_register_t from_bl2,
u_register_t soc_fw_config,
u_register_t hw_config, u_register_t plat_params_from_bl2)
{
#if COREBOOT
static console_t console;
params_early_setup(soc_fw_config);
if (coreboot_serial.type) {
console_16550_register(coreboot_serial.baseaddr,
coreboot_serial.input_hertz,
coreboot_serial.baud,
&console);
}
bl31_params_parse_helper(from_bl2, &bl32_ep_info, &bl33_ep_info);
#else
struct mtk_bl_param_t *p_mtk_bl_param = (struct mtk_bl_param_t *)from_bl2;
if (p_mtk_bl_param == NULL) {
ERROR("from_bl2 should not be NULL\n");
panic();
}
memcpy(&bl_param_clone, p_mtk_bl_param, sizeof(struct mtk_bl_param_t));
bl31_fw_config.from_bl2 = (void *)&bl_param_clone;
bl31_fw_config.soc_fw_config = (void *)soc_fw_config;
bl31_fw_config.hw_config = (void *)hw_config;
bl31_fw_config.reserved = (void *)plat_params_from_bl2;
#endif
INFO("MTK BL31 start\n");
/* Init delay function */
generic_delay_timer_init();
/* Initialize module initcall */
mtk_init_one_level(MTK_INIT_LVL_EARLY_PLAT);
}
void bl31_plat_arch_setup(void)
{
const mmap_region_t bl_regions[] = {
MAP_BL_RO,
MAP_BL_RW,
#if USE_COHERENT_MEM
MAP_BL_COHERENT_RAM,
#endif
{0},
};
mtk_xlat_init(bl_regions);
/* Initialize module initcall */
mtk_init_one_level(MTK_INIT_LVL_ARCH);
}
/*****************************************************************************
* Perform any BL31 platform setup common to ARM standard platforms
******************************************************************************/
void bl31_platform_setup(void)
{
mtk_init_one_level(MTK_INIT_LVL_PLAT_SETUP_0);
mtk_init_one_level(MTK_INIT_LVL_PLAT_SETUP_1);
}
/*******************************************************************************
* Operations before cold CPU leave BL31.
* Switch console to runtime state.
******************************************************************************/
void bl31_plat_runtime_setup(void)
{
mtk_init_one_level(MTK_INIT_LVL_PLAT_RUNTIME);
console_switch_state(CONSOLE_FLAG_RUNTIME);
}
unsigned int plat_get_syscnt_freq2(void)
{
return SYS_COUNTER_FREQ_IN_HZ;
}
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