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-rw-r--r--arch/mips/sgi-ip32/ip32-memory.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c
new file mode 100644
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+++ b/arch/mips/sgi-ip32/ip32-memory.c
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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2003 Keith M Wesolowski
7 * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge)
8 */
9#include <linux/types.h>
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/memblock.h>
13#include <linux/mm.h>
14
15#include <asm/ip32/crime.h>
16#include <asm/bootinfo.h>
17#include <asm/page.h>
18
19extern void crime_init(void);
20
21void __init prom_meminit(void)
22{
23 u64 base, size;
24 int bank;
25
26 crime_init();
27
28 for (bank=0; bank < CRIME_MAXBANKS; bank++) {
29 u64 bankctl = crime->bank_ctrl[bank];
30 base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25;
31 if (bank != 0 && base == 0)
32 continue;
33 size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32;
34 size <<= 20;
35 if (base + size > (256 << 20))
36 base += CRIME_HI_MEM_BASE;
37
38 printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
39 bank, base, size >> 20);
40 memblock_add(base, size);
41 }
42}
43
44
45void __init prom_free_prom_memory(void)
46{
47}