/* * Copyright (c) 2013-2015, 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 #include #include #include #include #include #include #include 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())); }