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bootloader/u-boot_2015_04/include/configs/tegra114-common.h 2.99 KB
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  /*
   * Copyright (c) 2010-2013, NVIDIA CORPORATION.  All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  #ifndef _TEGRA114_COMMON_H_
  #define _TEGRA114_COMMON_H_
  #include "tegra-common.h"
  
  /* Cortex-A15 uses a cache line size of 64 bytes */
  #define CONFIG_SYS_CACHELINE_SIZE	64
  
  /*
   * NS16550 Configuration
   */
  #define V_NS16550_CLK		408000000	/* 408MHz (pllp_out0) */
  
  /* Environment information, boards can override if required */
  #define CONFIG_LOADADDR		0x80408000	/* def. location for kernel */
  
  /*
   * Miscellaneous configurable options
   */
  #define CONFIG_SYS_LOAD_ADDR	0x80A00800	/* default */
  #define CONFIG_STACKBASE	0x82800000	/* 40MB */
  
  /*-----------------------------------------------------------------------
   * Physical Memory Map
   */
  #define CONFIG_SYS_TEXT_BASE	0x8010E000
  
  /*
   * Memory layout for where various images get loaded by boot scripts:
   *
   * scriptaddr can be pretty much anywhere that doesn't conflict with something
   *   else. Put it above BOOTMAPSZ to eliminate conflicts.
   *
   * pxefile_addr_r can be pretty much anywhere that doesn't conflict with
   *   something else. Put it above BOOTMAPSZ to eliminate conflicts.
   *
   * kernel_addr_r must be within the first 128M of RAM in order for the
   *   kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
   *   decompress itself to 0x8000 after the start of RAM, kernel_addr_r
   *   should not overlap that area, or the kernel will have to copy itself
   *   somewhere else before decompression. Similarly, the address of any other
   *   data passed to the kernel shouldn't overlap the start of RAM. Pushing
   *   this up to 16M allows for a sizable kernel to be decompressed below the
   *   compressed load address.
   *
   * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
   *   the compressed kernel to be up to 16M too.
   *
   * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
   *   for the FDT/DTB to be up to 1M, which is hopefully plenty.
   */
  #define MEM_LAYOUT_ENV_SETTINGS \
  	"scriptaddr=0x90000000\0" \
  	"pxefile_addr_r=0x90100000\0" \
  	"kernel_addr_r=0x81000000\0" \
  	"fdt_addr_r=0x82000000\0" \
  	"ramdisk_addr_r=0x82100000\0"
  
  /* Defines for SPL */
  #define CONFIG_SPL_TEXT_BASE		0x80108000
  #define CONFIG_SYS_SPL_MALLOC_START	0x80090000
  #define CONFIG_SPL_STACK		0x800ffffc
  
  /* For USB EHCI controller */
  #define CONFIG_EHCI_IS_TDI
  #define CONFIG_USB_EHCI_TXFIFO_THRESH	0x10
  #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 1
  
  #endif /* _TEGRA114_COMMON_H_ */