forked from luck/tmp_suning_uos_patched
29eb45a9ab
All arches do essentially the same thing now for early_init_dt_setup_initrd_arch, so it can now be removed. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Vineet Gupta <vgupta@synopsys.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Mark Salter <msalter@redhat.com> Cc: Aurelien Jacquiot <a-jacquiot@ti.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Grant Likely <grant.likely@linaro.org>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/*
|
|
* MIPS support for CONFIG_OF device tree support
|
|
*
|
|
* Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/export.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/types.h>
|
|
#include <linux/bootmem.h>
|
|
#include <linux/debugfs.h>
|
|
#include <linux/of.h>
|
|
#include <linux/of_fdt.h>
|
|
|
|
#include <asm/page.h>
|
|
#include <asm/prom.h>
|
|
|
|
static char mips_machine_name[64] = "Unknown";
|
|
|
|
__init void mips_set_machine_name(const char *name)
|
|
{
|
|
if (name == NULL)
|
|
return;
|
|
|
|
strlcpy(mips_machine_name, name, sizeof(mips_machine_name));
|
|
pr_info("MIPS: machine is %s\n", mips_get_machine_name());
|
|
}
|
|
|
|
char *mips_get_machine_name(void)
|
|
{
|
|
return mips_machine_name;
|
|
}
|
|
|
|
#ifdef CONFIG_OF
|
|
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
|
|
{
|
|
return add_memory_region(base, size, BOOT_MEM_RAM);
|
|
}
|
|
|
|
void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
|
|
{
|
|
return __alloc_bootmem(size, align, __pa(MAX_DMA_ADDRESS));
|
|
}
|
|
|
|
int __init early_init_dt_scan_model(unsigned long node, const char *uname,
|
|
int depth, void *data)
|
|
{
|
|
if (!depth) {
|
|
char *model = of_get_flat_dt_prop(node, "model", NULL);
|
|
|
|
if (model)
|
|
mips_set_machine_name(model);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void __init __dt_setup_arch(struct boot_param_header *bph)
|
|
{
|
|
if (!early_init_dt_scan(bph))
|
|
return;
|
|
|
|
/* try to load the mips machine name */
|
|
of_scan_flat_dt(early_init_dt_scan_model, NULL);
|
|
}
|
|
#endif
|