159 lines
4.6 KiB
C
159 lines
4.6 KiB
C
/*
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* (C) Copyright 2001
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*******************************************************************************
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Copyright (C) Marvell International Ltd. and its affiliates
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********************************************************************************
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Marvell GPL License Option
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If you received this File from Marvell, you may opt to use, redistribute and/or
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modify this File in accordance with the terms and conditions of the General
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Public License Version 2, June 1991 (the "GPL License"), a copy of which is
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available along with the File in the license.txt file or by writing to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
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on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
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THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
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WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
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DISCLAIMED. The GPL License provides additional details about this warranty
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disclaimer.
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*******************************************************************************/
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/*
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* Dink_command.c - driver for special Marvell coammnds taken from Dink.
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*/
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#include <config.h>
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#include <common.h>
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#include <command.h>
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#include "mvSysHwConfig.h"
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#if defined(MV_INCLUDE_MONT_EXT)
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#include "mvTypes.h"
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#include "mvCtrlEnvLib.h"
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#include "mvCpuIf.h"
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#include "cpu/mvCpu.h"
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#include "mv_fs.h"
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#if defined(MV_INCLUDE_MONT_MMU)
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extern void pageTableInit(void);
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#endif
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#if defined(MV_INCLUDE_MONT_MPU)
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extern void MPU_Init(void);
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#endif
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/* global */
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int g_stack_cachable = 0;
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#if defined(MV_INCLUDE_MONT_MMU)
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/***********************************************************************************/
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/* hook function that is called after CPU detection and Serial init and before */
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/* initializing of the DRAM. */
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/***********************************************************************************/
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int PTexist(void)
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{
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char *env;
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#ifdef CFG_MV_PT
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env = getenv("enaPT");
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#ifdef CONFIG_MV_LE
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/* if LE page table disable is the default. ( MIPS - unstable, PPC need to change the page settings) */
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if( ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) ){
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#else
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/* if BE page table enable is the default. */
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if(!env || ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) ){
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#endif
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return 1;
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}
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#endif
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return 0;
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}
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#endif
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/***********************************************************************************/
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/* hook function that is called after rellocating to the DRAM, Flash Init, PCI init*/
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/* and malloc init are done, and before Gig port init. */
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/***********************************************************************************/
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void mon_extension_after_relloc(void)
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{
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#if defined(MV_INCLUDE_MONT_FFS)
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unsigned int status;
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#endif
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#if defined(MV_INCLUDE_MONT_MMU)
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if ((mvOsCpuPartGet() == CPU_PART_ARM926) ||
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(mvOsCpuPartGet() == CPU_PART_MRVL131))
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{
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/* Page Table */
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if(PTexist() )
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{
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pageTableInit();
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/* set the stack to be cachable */
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__asm__ __volatile__ ( " orr sp, sp, #0x80000000 " : );
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g_stack_cachable = 1;
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setenv("enaPT","yes");
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}
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else
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setenv("enaPT","no");
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}
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#endif /* MV_INCLUDE_MONT_MMU */
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#ifndef MV_TINY_IMAGE
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#if defined(MV_INCLUDE_MONT_MPU)
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else if (mvOsCpuPartGet() == CPU_PART_ARM946)
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{
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char *env;
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env = getenv("enaMPU");
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if ((!env)||( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ))
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{
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setenv("enaMPU","yes");
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MPU_Init();
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}
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}
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#endif /* MV_INCLUDE_MONT_MPU */
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#if CONFIG_COMMANDS & CFG_CMD_BSP
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#if defined(MV_INCLUDE_MONT_FFS)
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if (whoAmI() == MASTER_CPU)
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{
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status = mvFSInit(FS_NO_CACHE);
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if(!(status == FS_NO_VALID_FAT_STRING || status == FS_OFFSET_OUT_OF_RANGE))
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{
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printf("File system present and initialized on the main Flash Memory\n");
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}
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else
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{
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printf("No File system on the main Flash Memory\n");
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}
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}
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#endif /* MV_INCLUDE_MONT_FFS */
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#endif
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#endif
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return;
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}
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#endif /* #if defined(MV_INCLUDE_MONT_EXT) */
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