/* * Copyright (C) 2016 Freescale Semiconductor, Inc. * All rights reserved. * * Peng Fan * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. 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. * * 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 #include register_phys_mem(MEM_AREA_IO_SEC, PL310_BASE, CORE_MMU_DEVICE_SIZE); void arm_cl2_config(vaddr_t pl310_base) { /* Disable PL310 */ write32(0, pl310_base + PL310_CTRL); write32(PL310_TAG_RAM_CTRL_INIT, pl310_base + PL310_TAG_RAM_CTRL); write32(PL310_DATA_RAM_CTRL_INIT, pl310_base + PL310_DATA_RAM_CTRL); write32(PL310_AUX_CTRL_INIT, pl310_base + PL310_AUX_CTRL); write32(PL310_PREFETCH_CTRL_INIT, pl310_base + PL310_PREFETCH_CTRL); write32(PL310_POWER_CTRL_INIT, pl310_base + PL310_POWER_CTRL); /* invalidate all cache ways */ arm_cl2_invbyway(pl310_base); } void arm_cl2_enable(vaddr_t pl310_base) { uint32_t val; /* Enable PL310 ctrl -> only set lsb bit */ write32(1, pl310_base + PL310_CTRL); /* if L2 FLZW enable, enable in L1 */ val = read32(pl310_base + PL310_AUX_CTRL); if (val & 1) write_actlr(read_actlr() | (1 << 3)); } vaddr_t pl310_base(void) { return core_mmu_get_va(PL310_BASE, MEM_AREA_IO_SEC); }