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linux-next/arch/mips/lantiq/setup.c
John Crispin a053ac1702 MIPS: Lantiq: Add mips_machine support
This patch adds support for Gabor's mips_machine patch.

Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com>
Cc: Gabor Juhos <juhosg@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2251/
Patchwork: https://patchwork.linux-mips.org/patch/2358/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2011-05-19 09:55:42 +01:00

67 lines
1.4 KiB
C

/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2010 John Crispin <blogic@openwrt.org>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <asm/bootinfo.h>
#include <lantiq_soc.h>
#include "machtypes.h"
#include "devices.h"
#include "prom.h"
void __init plat_mem_setup(void)
{
/* assume 16M as default incase uboot fails to pass proper ramsize */
unsigned long memsize = 16;
char **envp = (char **) KSEG1ADDR(fw_arg2);
ioport_resource.start = IOPORT_RESOURCE_START;
ioport_resource.end = IOPORT_RESOURCE_END;
iomem_resource.start = IOMEM_RESOURCE_START;
iomem_resource.end = IOMEM_RESOURCE_END;
set_io_port_base((unsigned long) KSEG1);
while (*envp) {
char *e = (char *)KSEG1ADDR(*envp);
if (!strncmp(e, "memsize=", 8)) {
e += 8;
if (strict_strtoul(e, 0, &memsize))
pr_warn("bad memsize specified\n");
}
envp++;
}
memsize *= 1024 * 1024;
add_memory_region(0x00000000, memsize, BOOT_MEM_RAM);
}
static int __init
lantiq_setup(void)
{
ltq_soc_setup();
mips_machine_setup();
return 0;
}
arch_initcall(lantiq_setup);
static void __init
lantiq_generic_init(void)
{
/* Nothing to do */
}
MIPS_MACHINE(LTQ_MACH_GENERIC,
"Generic",
"Generic Lantiq based board",
lantiq_generic_init);