1 /* 2 * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef _TEGRA114_COMMON_H_ 18 #define _TEGRA114_COMMON_H_ 19 #include "tegra-common.h" 20 21 /* Cortex-A15 uses a cache line size of 64 bytes */ 22 #define CONFIG_SYS_CACHELINE_SIZE 64 23 24 /* 25 * NS16550 Configuration 26 */ 27 #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */ 28 29 /* 30 * Miscellaneous configurable options 31 */ 32 #define CONFIG_STACKBASE 0x82800000 /* 40MB */ 33 34 /*----------------------------------------------------------------------- 35 * Physical Memory Map 36 */ 37 #define CONFIG_SYS_TEXT_BASE 0x8010E000 38 39 /* 40 * Memory layout for where various images get loaded by boot scripts: 41 * 42 * scriptaddr can be pretty much anywhere that doesn't conflict with something 43 * else. Put it above BOOTMAPSZ to eliminate conflicts. 44 * 45 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 46 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 47 * 48 * kernel_addr_r must be within the first 128M of RAM in order for the 49 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 50 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 51 * should not overlap that area, or the kernel will have to copy itself 52 * somewhere else before decompression. Similarly, the address of any other 53 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 54 * this up to 16M allows for a sizable kernel to be decompressed below the 55 * compressed load address. 56 * 57 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 58 * the compressed kernel to be up to 16M too. 59 * 60 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 61 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 62 */ 63 #define CONFIG_LOADADDR 0x81000000 64 #define MEM_LAYOUT_ENV_SETTINGS \ 65 "scriptaddr=0x90000000\0" \ 66 "pxefile_addr_r=0x90100000\0" \ 67 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 68 "fdt_addr_r=0x82000000\0" \ 69 "ramdisk_addr_r=0x82100000\0" 70 71 /* Defines for SPL */ 72 #define CONFIG_SPL_TEXT_BASE 0x80108000 73 #define CONFIG_SYS_SPL_MALLOC_START 0x80090000 74 #define CONFIG_SPL_STACK 0x800ffffc 75 76 /* For USB EHCI controller */ 77 #define CONFIG_EHCI_IS_TDI 78 #define CONFIG_USB_EHCI_TXFIFO_THRESH 0x10 79 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 80 81 #endif /* _TEGRA114_COMMON_H_ */ 82