1 /* 2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <console.h> 32 #include <tegra_def.h> 33 #include <xlat_tables.h> 34 35 /* sets of MMIO ranges setup */ 36 #define MMIO_RANGE_0_ADDR 0x50000000 37 #define MMIO_RANGE_1_ADDR 0x60000000 38 #define MMIO_RANGE_2_ADDR 0x70000000 39 #define MMIO_RANGE_SIZE 0x200000 40 41 /* 42 * Table of regions to map using the MMU. 43 */ 44 static const mmap_region_t tegra_mmap[] = { 45 MAP_REGION_FLAT(MMIO_RANGE_0_ADDR, MMIO_RANGE_SIZE, 46 MT_DEVICE | MT_RW | MT_SECURE), 47 MAP_REGION_FLAT(MMIO_RANGE_1_ADDR, MMIO_RANGE_SIZE, 48 MT_DEVICE | MT_RW | MT_SECURE), 49 MAP_REGION_FLAT(MMIO_RANGE_2_ADDR, MMIO_RANGE_SIZE, 50 MT_DEVICE | MT_RW | MT_SECURE), 51 {0} 52 }; 53 54 /******************************************************************************* 55 * Set up the pagetables as per the platform memory map & initialize the MMU 56 ******************************************************************************/ 57 const mmap_region_t *plat_get_mmio_map(void) 58 { 59 /* MMIO space */ 60 return tegra_mmap; 61 } 62 63 /******************************************************************************* 64 * Handler to get the System Counter Frequency 65 ******************************************************************************/ 66 uint64_t plat_get_syscnt_freq(void) 67 { 68 return 19200000; 69 } 70