1 /* 2 * (C) Copyright 2013 3 * NVIDIA Corporation <www.nvidia.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _TEGRA124_COMMON_H_ 9 #define _TEGRA124_COMMON_H_ 10 11 #include "tegra-common.h" 12 13 /* 14 * NS16550 Configuration 15 */ 16 #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */ 17 18 /* 19 * Miscellaneous configurable options 20 */ 21 #define CONFIG_STACKBASE 0x82800000 /* 40MB */ 22 23 /*----------------------------------------------------------------------- 24 * Physical Memory Map 25 */ 26 27 /* 28 * Memory layout for where various images get loaded by boot scripts: 29 * 30 * scriptaddr can be pretty much anywhere that doesn't conflict with something 31 * else. Put it above BOOTMAPSZ to eliminate conflicts. 32 * 33 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 34 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 35 * 36 * kernel_addr_r must be within the first 128M of RAM in order for the 37 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 38 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 39 * should not overlap that area, or the kernel will have to copy itself 40 * somewhere else before decompression. Similarly, the address of any other 41 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 42 * this up to 16M allows for a sizable kernel to be decompressed below the 43 * compressed load address. 44 * 45 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 46 * the compressed kernel to be up to 16M too. 47 * 48 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 49 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 50 */ 51 #define CONFIG_LOADADDR 0x81000000 52 #define MEM_LAYOUT_ENV_SETTINGS \ 53 "scriptaddr=0x90000000\0" \ 54 "pxefile_addr_r=0x90100000\0" \ 55 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 56 "fdt_addr_r=0x82000000\0" \ 57 "ramdisk_addr_r=0x82100000\0" 58 59 /* Defines for SPL */ 60 #define CONFIG_SPL_TEXT_BASE 0x80108000 61 #define CONFIG_SYS_SPL_MALLOC_START 0x80090000 62 #define CONFIG_SPL_STACK 0x800ffffc 63 64 /* For USB EHCI controller */ 65 #define CONFIG_EHCI_IS_TDI 66 #define CONFIG_USB_EHCI_TXFIFO_THRESH 0x10 67 68 /* GPU needs setup */ 69 #define CONFIG_TEGRA_GPU 70 71 #endif /* _TEGRA124_COMMON_H_ */ 72