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diff --git a/arch/mips/ite-boards/qed-4n-s01b/init.c b/arch/mips/ite-boards/qed-4n-s01b/init.c
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1/*
2 * BRIEF MODULE DESCRIPTION
3 * IT8172/QED5231 board setup.
4 *
5 * Copyright 2000 MontaVista Software Inc.
6 * Author: MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
28 */
29#include <linux/init.h>
30#include <linux/mm.h>
31#include <linux/sched.h>
32#include <linux/bootmem.h>
33#include <asm/addrspace.h>
34#include <asm/bootinfo.h>
35#include <linux/string.h>
36#include <linux/kernel.h>
37#include <asm/it8172/it8172.h>
38#include <asm/it8172/it8172_dbg.h>
39
40int prom_argc;
41char **prom_argv, **prom_envp;
42
43extern char _end;
44extern void __init prom_init_cmdline(void);
45extern unsigned long __init prom_get_memsize(void);
46extern void __init it8172_init_ram_resource(unsigned long memsize);
47
48#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT)
49#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
50
51const char *get_system_type(void)
52{
53 return "ITE QED-4N-S01B";
54}
55
56void __init prom_init(void)
57{
58 unsigned long mem_size;
59 unsigned long pcicr;
60
61 prom_argc = fw_arg0;
62 prom_argv = (char **) fw_arg1;
63 prom_envp = (int *) fw_arg3;
64
65 mips_machgroup = MACH_GROUP_ITE;
66 mips_machtype = MACH_QED_4N_S01B; /* ITE board name/number */
67
68 prom_init_cmdline();
69 mem_size = prom_get_memsize();
70
71 printk("Memory size: %dMB\n", (unsigned)mem_size);
72
73 mem_size <<= 20; /* MB */
74
75 /*
76 * make the entire physical memory visible to pci bus masters
77 */
78 IT_READ(IT_MC_PCICR, pcicr);
79 pcicr &= ~0x1f;
80 pcicr |= (mem_size - 1) >> 22;
81 IT_WRITE(IT_MC_PCICR, pcicr);
82
83 it8172_init_ram_resource(mem_size);
84 add_memory_region(0, mem_size, BOOT_MEM_RAM);
85}