blob: 878b6faf8923704f882765aa1cf62c995cc1cfc8 [file] [log] [blame]
/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <bl_common.h>
#include <debug.h>
#include <plat_arm.h>
#include "css_scp_bootloader.h"
/* Weak definition may be overridden in specific CSS based platform */
#pragma weak bl2u_plat_handle_scp_bl2u
/* Data structure which holds the SCP_BL2U image info for BL2U */
static image_info_t scp_bl2u_image_info;
/*******************************************************************************
* BL1 can pass platform dependent information to BL2U in x1.
* In case of ARM CSS platforms x1 contains SCP_BL2U image info.
* In case of ARM FVP platforms x1 is not used.
* In both cases, x0 contains the extents of the memory available to BL2U
******************************************************************************/
void bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info)
{
if (!plat_info)
panic();
arm_bl2u_early_platform_setup(mem_layout, plat_info);
scp_bl2u_image_info = *(image_info_t *)plat_info;
}
/*******************************************************************************
* Transfer SCP_BL2U from Trusted RAM using the SCP Download protocol.
******************************************************************************/
int bl2u_plat_handle_scp_bl2u(void)
{
int ret;
INFO("BL2U: Initiating SCP_BL2U transfer to SCP\n");
ret = scp_bootloader_transfer((void *)scp_bl2u_image_info.image_base,
scp_bl2u_image_info.image_size);
if (ret == 0)
INFO("BL2U: SCP_BL2U transferred to SCP\n");
else
ERROR("BL2U: SCP_BL2U transfer failure\n");
return ret;
}