swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
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- v2.6.14-rc5
- v2.6.14-rc4
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- v2.6.14
- v2.6.13-rc7
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- v2.6.13
- v2.6.12-rc6
- v2.6.12-rc5
- v2.6.12-rc4
- v2.6.12-rc3
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- v2.6.12
- v2.6.11-tree
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Tip revision: 7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 authored by Linus Torvalds on 12 January 2014, 10:04:18 UTC
Linux 3.13-rc8
Linux 3.13-rc8
Tip revision: 7e22e91
memory.c
/*
* Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2007 Eugene Konev <ejka@openwrt.org>
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/bootmem.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/pfn.h>
#include <linux/proc_fs.h>
#include <linux/string.h>
#include <linux/swap.h>
#include <asm/bootinfo.h>
#include <asm/page.h>
#include <asm/sections.h>
#include <asm/mach-ar7/ar7.h>
static int __init memsize(void)
{
u32 size = (64 << 20);
u32 *addr = (u32 *)KSEG1ADDR(AR7_SDRAM_BASE + size - 4);
u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end));
u32 *tmpaddr = addr;
while (tmpaddr > kernel_end) {
*tmpaddr = (u32)tmpaddr;
size >>= 1;
tmpaddr -= size >> 2;
}
do {
tmpaddr += size >> 2;
if (*tmpaddr != (u32)tmpaddr)
break;
size <<= 1;
} while (size < (64 << 20));
writel((u32)tmpaddr, &addr);
return size;
}
void __init prom_meminit(void)
{
unsigned long pages;
pages = memsize() >> PAGE_SHIFT;
add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, BOOT_MEM_RAM);
}
void __init prom_free_prom_memory(void)
{
/* Nothing to free */
}