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 /* Environment information, boards can override if required */ 22 #define CONFIG_LOADADDR 0x80408000 /* def. location for kernel */ 23 24 /* 25 * Miscellaneous configurable options 26 */ 27 #define CONFIG_SYS_LOAD_ADDR 0x80A00800 /* default */ 28 #define CONFIG_STACKBASE 0x82800000 /* 40MB */ 29 30 /*----------------------------------------------------------------------- 31 * Physical Memory Map 32 */ 33 #define CONFIG_SYS_TEXT_BASE 0x8010E000 34 35 /* 36 * Memory layout for where various images get loaded by boot scripts: 37 * 38 * scriptaddr can be pretty much anywhere that doesn't conflict with something 39 * else. Put it above BOOTMAPSZ to eliminate conflicts. 40 * 41 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with 42 * something else. Put it above BOOTMAPSZ to eliminate conflicts. 43 * 44 * kernel_addr_r must be within the first 128M of RAM in order for the 45 * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will 46 * decompress itself to 0x8000 after the start of RAM, kernel_addr_r 47 * should not overlap that area, or the kernel will have to copy itself 48 * somewhere else before decompression. Similarly, the address of any other 49 * data passed to the kernel shouldn't overlap the start of RAM. Pushing 50 * this up to 16M allows for a sizable kernel to be decompressed below the 51 * compressed load address. 52 * 53 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for 54 * the compressed kernel to be up to 16M too. 55 * 56 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows 57 * for the FDT/DTB to be up to 1M, which is hopefully plenty. 58 */ 59 #define MEM_LAYOUT_ENV_SETTINGS \ 60 "scriptaddr=0x90000000\0" \ 61 "pxefile_addr_r=0x90100000\0" \ 62 "kernel_addr_r=0x81000000\0" \ 63 "fdt_addr_r=0x82000000\0" \ 64 "ramdisk_addr_r=0x82100000\0" 65 66 /* Defines for SPL */ 67 #define CONFIG_SPL_TEXT_BASE 0x80108000 68 #define CONFIG_SYS_SPL_MALLOC_START 0x80090000 69 #define CONFIG_SPL_STACK 0x800ffffc 70 71 /* For USB EHCI controller */ 72 #define CONFIG_EHCI_IS_TDI 73 #define CONFIG_USB_EHCI_TXFIFO_THRESH 0x10 74 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1 75 76 #endif /* _TEGRA124_COMMON_H_ */ 77