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 /* Cortex-A15 uses a cache line size of 64 bytes */ 14 #define CONFIG_SYS_CACHELINE_SIZE 64 15 16 /* 17 * NS16550 Configuration 18 */ 19 #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */ 20 21 /* 22 * Miscellaneous configurable options 23 */ 24 #define CONFIG_STACKBASE 0x82800000 /* 40MB */ 25 26 /*----------------------------------------------------------------------- 27 * Physical Memory Map 28 */ 29 #define CONFIG_SYS_TEXT_BASE 0x80110000 30 31 /* 32 * Memory layout for where various images get loaded by boot scripts: 33 * 34 * scriptaddr can be pretty much anywhere that doesn't conflict with something 35 * else. Put it above BOOTMAPSZ to eliminate conflicts. 36 * 37 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 38 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 39 * 40 * kernel_addr_r must be within the first 128M of RAM in order for the 41 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 42 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 43 * should not overlap that area, or the kernel will have to copy itself 44 * somewhere else before decompression. Similarly, the address of any other 45 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 46 * this up to 16M allows for a sizable kernel to be decompressed below the 47 * compressed load address. 48 * 49 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 50 * the compressed kernel to be up to 16M too. 51 * 52 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 53 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 54 */ 55 #define CONFIG_LOADADDR 0x81000000 56 #define MEM_LAYOUT_ENV_SETTINGS \ 57 "scriptaddr=0x90000000\0" \ 58 "pxefile_addr_r=0x90100000\0" \ 59 "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ 60 "fdt_addr_r=0x82000000\0" \ 61 "ramdisk_addr_r=0x82100000\0" 62 63 /* Defines for SPL */ 64 #define CONFIG_SPL_TEXT_BASE 0x80108000 65 #define CONFIG_SYS_SPL_MALLOC_START 0x80090000 66 #define CONFIG_SPL_STACK 0x800ffffc 67 68 /* For USB EHCI controller */ 69 #define CONFIG_EHCI_IS_TDI 70 #define CONFIG_USB_EHCI_TXFIFO_THRESH 0x10 71 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 72 73 /* GPU needs setup */ 74 #define CONFIG_TEGRA_GPU 75 76 #endif /* _TEGRA124_COMMON_H_ */ 77