blob: 62147226a5498ceffa31197e7f8d7643602bf102 [file] [log] [blame]
/*
* Copyright (c) 2016-2023, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <platform_def.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <common/desc_image_load.h>
#include <drivers/console.h>
#include <drivers/generic_delay_timer.h>
#include <drivers/ti/uart/uart_16550.h>
#include <lib/mmio.h>
#include <plat_private.h>
#include <plat/common/platform.h>
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;
}
#pragma weak params_early_setup
void params_early_setup(u_register_t plat_param_from_bl2)
{
}
/*******************************************************************************
* Perform any BL3-1 early platform setup. Here is an opportunity to copy
* parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before they
* are lost (potentially). This needs to be done before the MMU is initialized
* so that the memory layout can be used while creating page tables.
* BL2 has flushed this information to memory, so we are guaranteed to pick up
* good data.
******************************************************************************/
void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
u_register_t arg2, u_register_t arg3)
{
static console_t console;
params_early_setup(arg1);
if (rockchip_get_uart_base() != 0)
console_16550_register(rockchip_get_uart_base(),
rockchip_get_uart_clock(),
rockchip_get_uart_baudrate(), &console);
VERBOSE("bl31_setup\n");
bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info);
}
/*******************************************************************************
* Perform any BL3-1 platform setup code
******************************************************************************/
void bl31_platform_setup(void)
{
generic_delay_timer_init();
plat_rockchip_soc_init();
/* Initialize the gic cpu and distributor interfaces */
plat_rockchip_gic_driver_init();
plat_rockchip_gic_init();
plat_rockchip_pmu_init();
}
/*******************************************************************************
* Perform the very early platform specific architectural setup here. At the
* moment this is only initializes the mmu in a quick and dirty way.
******************************************************************************/
void bl31_plat_arch_setup(void)
{
plat_cci_init();
plat_cci_enable();
#if USE_COHERENT_MEM
plat_configure_mmu_el3(BL_CODE_BASE,
BL_COHERENT_RAM_END - BL_CODE_BASE,
BL_CODE_BASE,
BL_CODE_END,
BL_COHERENT_RAM_BASE,
BL_COHERENT_RAM_END);
#else
plat_configure_mmu_el3(BL31_START,
BL31_END - BL31_START,
BL_CODE_BASE,
BL_CODE_END,
0,
0);
#endif
}