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uboot-1.1.4-kirkwood/board/mv_feroceon/USP/mv_mon_init.c

159 lines
4.6 KiB
C

/*
* (C) Copyright 2001
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*******************************************************************************
Copyright (C) Marvell International Ltd. and its affiliates
********************************************************************************
Marvell GPL License Option
If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File in accordance with the terms and conditions of the General
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
available along with the File in the license.txt file or by writing to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
DISCLAIMED. The GPL License provides additional details about this warranty
disclaimer.
*******************************************************************************/
/*
* Dink_command.c - driver for special Marvell coammnds taken from Dink.
*/
#include <config.h>
#include <common.h>
#include <command.h>
#include "mvSysHwConfig.h"
#if defined(MV_INCLUDE_MONT_EXT)
#include "mvTypes.h"
#include "mvCtrlEnvLib.h"
#include "mvCpuIf.h"
#include "cpu/mvCpu.h"
#include "mv_fs.h"
#if defined(MV_INCLUDE_MONT_MMU)
extern void pageTableInit(void);
#endif
#if defined(MV_INCLUDE_MONT_MPU)
extern void MPU_Init(void);
#endif
/* global */
int g_stack_cachable = 0;
#if defined(MV_INCLUDE_MONT_MMU)
/***********************************************************************************/
/* hook function that is called after CPU detection and Serial init and before */
/* initializing of the DRAM. */
/***********************************************************************************/
int PTexist(void)
{
char *env;
#ifdef CFG_MV_PT
env = getenv("enaPT");
#ifdef CONFIG_MV_LE
/* if LE page table disable is the default. ( MIPS - unstable, PPC need to change the page settings) */
if( ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) ){
#else
/* if BE page table enable is the default. */
if(!env || ( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ) ){
#endif
return 1;
}
#endif
return 0;
}
#endif
/***********************************************************************************/
/* hook function that is called after rellocating to the DRAM, Flash Init, PCI init*/
/* and malloc init are done, and before Gig port init. */
/***********************************************************************************/
void mon_extension_after_relloc(void)
{
#if defined(MV_INCLUDE_MONT_FFS)
unsigned int status;
#endif
#if defined(MV_INCLUDE_MONT_MMU)
if ((mvOsCpuPartGet() == CPU_PART_ARM926) ||
(mvOsCpuPartGet() == CPU_PART_MRVL131))
{
/* Page Table */
if(PTexist() )
{
pageTableInit();
/* set the stack to be cachable */
__asm__ __volatile__ ( " orr sp, sp, #0x80000000 " : );
g_stack_cachable = 1;
setenv("enaPT","yes");
}
else
setenv("enaPT","no");
}
#endif /* MV_INCLUDE_MONT_MMU */
#ifndef MV_TINY_IMAGE
#if defined(MV_INCLUDE_MONT_MPU)
else if (mvOsCpuPartGet() == CPU_PART_ARM946)
{
char *env;
env = getenv("enaMPU");
if ((!env)||( (strcmp(env,"yes") == 0) || (strcmp(env,"Yes") == 0) ))
{
setenv("enaMPU","yes");
MPU_Init();
}
}
#endif /* MV_INCLUDE_MONT_MPU */
#if CONFIG_COMMANDS & CFG_CMD_BSP
#if defined(MV_INCLUDE_MONT_FFS)
if (whoAmI() == MASTER_CPU)
{
status = mvFSInit(FS_NO_CACHE);
if(!(status == FS_NO_VALID_FAT_STRING || status == FS_OFFSET_OUT_OF_RANGE))
{
printf("File system present and initialized on the main Flash Memory\n");
}
else
{
printf("No File system on the main Flash Memory\n");
}
}
#endif /* MV_INCLUDE_MONT_FFS */
#endif
#endif
return;
}
#endif /* #if defined(MV_INCLUDE_MONT_EXT) */