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 /* 36 * Table of regions to map using the MMU. 37 */ 38 static const mmap_region_t tegra_mmap[] = { 39 MAP_REGION_FLAT(TEGRA_MISC_BASE, 0x10000, /* 64KB */ 40 MT_DEVICE | MT_RW | MT_SECURE), 41 MAP_REGION_FLAT(TEGRA_MC_STREAMID_BASE, 0x10000, /* 64KB */ 42 MT_DEVICE | MT_RW | MT_SECURE), 43 MAP_REGION_FLAT(TEGRA_MC_BASE, 0x10000, /* 64KB */ 44 MT_DEVICE | MT_RW | MT_SECURE), 45 MAP_REGION_FLAT(TEGRA_UARTA_BASE, 0x20000, /* 128KB */ 46 MT_DEVICE | MT_RW | MT_SECURE), 47 MAP_REGION_FLAT(TEGRA_GICD_BASE, 0x20000, /* 128KB */ 48 MT_DEVICE | MT_RW | MT_SECURE), 49 MAP_REGION_FLAT(TEGRA_PMC_BASE, 0x40000, /* 256KB */ 50 MT_DEVICE | MT_RW | MT_SECURE), 51 MAP_REGION_FLAT(TEGRA_MMCRAB_BASE, 0x60000, /* 384KB */ 52 MT_DEVICE | MT_RW | MT_SECURE), 53 MAP_REGION_FLAT(TEGRA_SMMU_BASE, 0x10000, /* 64KB */ 54 MT_DEVICE | MT_RW | MT_SECURE), 55 {0} 56 }; 57 58 /******************************************************************************* 59 * Set up the pagetables as per the platform memory map & initialize the MMU 60 ******************************************************************************/ 61 const mmap_region_t *plat_get_mmio_map(void) 62 { 63 /* MMIO space */ 64 return tegra_mmap; 65 } 66 67 /******************************************************************************* 68 * Handler to get the System Counter Frequency 69 ******************************************************************************/ 70 unsigned int plat_get_syscnt_freq2(void) 71 { 72 return 31250000; 73 } 74 75 /******************************************************************************* 76 * Maximum supported UART controllers 77 ******************************************************************************/ 78 #define TEGRA186_MAX_UART_PORTS 7 79 80 /******************************************************************************* 81 * This variable holds the UART port base addresses 82 ******************************************************************************/ 83 static uint32_t tegra186_uart_addresses[TEGRA186_MAX_UART_PORTS + 1] = { 84 0, /* undefined - treated as an error case */ 85 TEGRA_UARTA_BASE, 86 TEGRA_UARTB_BASE, 87 TEGRA_UARTC_BASE, 88 TEGRA_UARTD_BASE, 89 TEGRA_UARTE_BASE, 90 TEGRA_UARTF_BASE, 91 TEGRA_UARTG_BASE, 92 }; 93 94 /******************************************************************************* 95 * Retrieve the UART controller base to be used as the console 96 ******************************************************************************/ 97 uint32_t plat_get_console_from_id(int id) 98 { 99 if (id > TEGRA186_MAX_UART_PORTS) 100 return 0; 101 102 return tegra186_uart_addresses[id]; 103 } 104