2 * linux/arch/arm/mach-mmp/common.c
4 * Code common to PXA168 processor lines
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/module.h>
16 #include <asm/mach/map.h>
17 #include <asm/system_misc.h>
18 #include <mach/addr-map.h>
19 #include <mach/cputype.h>
23 #define MMP_CHIPID (AXI_VIRT_BASE + 0x82c00)
25 unsigned int mmp_chip_id;
26 EXPORT_SYMBOL(mmp_chip_id);
28 static struct map_desc standard_io_desc[] __initdata = {
30 .pfn = __phys_to_pfn(APB_PHYS_BASE),
31 .virtual = (unsigned long)APB_VIRT_BASE,
32 .length = APB_PHYS_SIZE,
35 .pfn = __phys_to_pfn(AXI_PHYS_BASE),
36 .virtual = (unsigned long)AXI_VIRT_BASE,
37 .length = AXI_PHYS_SIZE,
42 void __init mmp_map_io(void)
44 iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc));
46 /* this is early, initialize mmp_chip_id here */
47 mmp_chip_id = __raw_readl(MMP_CHIPID);
50 void mmp_restart(enum reboot_mode mode, const char *cmd)