1 /* 2 * Copyright 2013-2016, NVIDIA CORPORATION. 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 7 #ifndef _TEGRA186_COMMON_H_ 8 #define _TEGRA186_COMMON_H_ 9 10 #include "tegra-common.h" 11 12 /* 13 * NS16550 Configuration 14 */ 15 #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */ 16 17 /*----------------------------------------------------------------------- 18 * Physical Memory Map 19 */ 20 21 /* Generic Interrupt Controller */ 22 #define CONFIG_GICV2 23 24 /* 25 * Memory layout for where various images get loaded by boot scripts: 26 * 27 * scriptaddr can be pretty much anywhere that doesn't conflict with something 28 * else. Put it above BOOTMAPSZ to eliminate conflicts. 29 * 30 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 31 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 32 * 33 * kernel_addr_r must be within the first 128M of RAM in order for the 34 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 35 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 36 * should not overlap that area, or the kernel will have to copy itself 37 * somewhere else before decompression. Similarly, the address of any other 38 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 39 * this up to 16M allows for a sizable kernel to be decompressed below the 40 * compressed load address. 41 * 42 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 43 * the compressed kernel to be up to 16M too. 44 * 45 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 46 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 47 */ 48 #define CONFIG_LOADADDR 0x80080000 49 #define MEM_LAYOUT_ENV_SETTINGS \ 50 "scriptaddr=0x90000000\0" \ 51 "pxefile_addr_r=0x90100000\0" \ 52 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 53 "fdt_addr_r=0x82000000\0" \ 54 "ramdisk_addr_r=0x82100000\0" 55 56 #endif 57