1 /* 2 * Copyright (c) 2010-2013, NVIDIA CORPORATION. All rights reserved. 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 7 #ifndef _TEGRA114_COMMON_H_ 8 #define _TEGRA114_COMMON_H_ 9 #include "tegra-common.h" 10 11 /* Cortex-A15 uses a cache line size of 64 bytes */ 12 #define CONFIG_SYS_CACHELINE_SIZE 64 13 14 /* 15 * NS16550 Configuration 16 */ 17 #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */ 18 19 /* 20 * Miscellaneous configurable options 21 */ 22 #define CONFIG_STACKBASE 0x82800000 /* 40MB */ 23 24 /*----------------------------------------------------------------------- 25 * Physical Memory Map 26 */ 27 #define CONFIG_SYS_TEXT_BASE 0x80110000 28 29 /* 30 * Memory layout for where various images get loaded by boot scripts: 31 * 32 * scriptaddr can be pretty much anywhere that doesn't conflict with something 33 * else. Put it above BOOTMAPSZ to eliminate conflicts. 34 * 35 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 36 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 37 * 38 * kernel_addr_r must be within the first 128M of RAM in order for the 39 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 40 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 41 * should not overlap that area, or the kernel will have to copy itself 42 * somewhere else before decompression. Similarly, the address of any other 43 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 44 * this up to 16M allows for a sizable kernel to be decompressed below the 45 * compressed load address. 46 * 47 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 48 * the compressed kernel to be up to 16M too. 49 * 50 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 51 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 52 */ 53 #define CONFIG_LOADADDR 0x81000000 54 #define MEM_LAYOUT_ENV_SETTINGS \ 55 "scriptaddr=0x90000000\0" \ 56 "pxefile_addr_r=0x90100000\0" \ 57 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 58 "fdt_addr_r=0x82000000\0" \ 59 "ramdisk_addr_r=0x82100000\0" 60 61 /* Defines for SPL */ 62 #define CONFIG_SPL_TEXT_BASE 0x80108000 63 #define CONFIG_SYS_SPL_MALLOC_START 0x80090000 64 #define CONFIG_SPL_STACK 0x800ffffc 65 66 /* For USB EHCI controller */ 67 #define CONFIG_EHCI_IS_TDI 68 #define CONFIG_USB_EHCI_TXFIFO_THRESH 0x10 69 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 70 71 #endif /* _TEGRA114_COMMON_H_ */ 72