/* * Copyright (c) 2013-2023, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include #include #include #include #include #ifdef PLAT_RK_CCI_BASE static const int cci_map[] = { PLAT_RK_CCI_CLUSTER0_SL_IFACE_IX, PLAT_RK_CCI_CLUSTER1_SL_IFACE_IX }; #endif /****************************************************************************** * 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); \ if ((coh_limit - coh_start) != 0) \ mmap_add_region(coh_start, coh_start, \ coh_limit - coh_start, \ MT_DEVICE | MT_RW | MT_SECURE); \ mmap_add(plat_rk_mmap); \ rockchip_plat_mmu_el##_el(); \ 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) { #ifdef PLAT_RK_CCI_BASE /* Initialize CCI driver */ cci_init(PLAT_RK_CCI_BASE, cci_map, ARRAY_SIZE(cci_map)); #endif } void plat_cci_enable(void) { /* * Enable CCI coherency for this cluster. * No need for locks as no other cpu is active at the moment. */ #ifdef PLAT_RK_CCI_BASE cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr())); #endif } void plat_cci_disable(void) { #ifdef PLAT_RK_CCI_BASE cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr())); #endif }