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/*****************************************************************************
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2003 ADMtek Incorporated.
* daniell@admtek.com.tw
* Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
*****************************************************************************/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <linux/pfn.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include <asm/page.h>
#include <asm/sections.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <asm-mips/mips-boards/prom.h>
#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
struct prom_pmemblock * __init prom_getmdesc(void)
{
unsigned int memsize;
char cmdline[CL_SIZE], *ptr;
memsize = adm5120_memsize;
/* Check the command line for a memsize directive that overrides
* the physical/default amount */
strcpy(cmdline, arcs_cmdline);
ptr = strstr(cmdline, "memsize=");
if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
ptr = strstr(ptr, " memsize=");
if (ptr)
memsize = memparse(ptr + 8, &ptr);
memset(mdesc, 0, sizeof(mdesc));
mdesc[0].type = BOOT_MEM_RAM;
mdesc[0].base = CPHYSADDR(PFN_ALIGN(&_end));
mdesc[0].size = memsize - mdesc[0].base;
return &mdesc[0];
}
void __init prom_meminit(void)
{
struct prom_pmemblock *p;
p = prom_getmdesc();
while (p->size)
{
long type;
unsigned long base, size;
base = p->base;
type = p->type,
size = p->size;
add_memory_region(base, size, type);
p++;
}
}
void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}
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