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/*
* Copyright (c) 2013-2016, 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 <arch_helpers.h>
#include <arm_gic.h>
#include <bl_common.h>
#include <cci.h>
#include <debug.h>
#include <mt8173_def.h>
#include <platform_def.h>
#include <utils.h>
#include <xlat_tables.h>
static const int cci_map[] = {
PLAT_MT_CCI_CLUSTER0_SL_IFACE_IX,
PLAT_MT_CCI_CLUSTER1_SL_IFACE_IX
};
/* Table of regions to map using the MMU. */
const mmap_region_t plat_mmap[] = {
/* for TF text, RO, RW */
MAP_REGION_FLAT(TZRAM_BASE, TZRAM_SIZE,
MT_MEMORY | MT_RW | MT_SECURE),
MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
MT_DEVICE | MT_RW | MT_SECURE),
MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
MT_DEVICE | MT_RW | MT_SECURE),
{ 0 }
};
/*******************************************************************************
* Macro generating the code for the function setting up the pagetables as per
* the platform memory map & initialize the mmu, for the given exception level
******************************************************************************/
#define DEFINE_CONFIGURE_MMU_EL(_el) \
void plat_configure_mmu_el ## _el(unsigned long total_base, \
unsigned long total_size, \
unsigned long ro_start, \
unsigned long ro_limit, \
unsigned long coh_start, \
unsigned long coh_limit) \
{ \
mmap_add_region(total_base, total_base, \
total_size, \
MT_MEMORY | MT_RW | MT_SECURE); \
mmap_add_region(ro_start, ro_start, \
ro_limit - ro_start, \
MT_MEMORY | MT_RO | MT_SECURE); \
mmap_add_region(coh_start, coh_start, \
coh_limit - coh_start, \
MT_DEVICE | MT_RW | MT_SECURE); \
mmap_add(plat_mmap); \
init_xlat_tables(); \
\
enable_mmu_el ## _el(0); \
}
/* Define EL3 variants of the function initialising the MMU */
DEFINE_CONFIGURE_MMU_EL(3)
unsigned int plat_get_syscnt_freq2(void)
{
return SYS_COUNTER_FREQ_IN_TICKS;
}
void plat_cci_init(void)
{
/* Initialize CCI driver */
cci_init(PLAT_MT_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
}
void plat_cci_enable(void)
{
/*
* Enable CCI coherency for this cluster.
* No need for locks as no other cpu is active at the moment.
*/
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
}
void plat_cci_disable(void)
{
cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
}