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