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Commit a9188bc1 authored by John Crispin's avatar John Crispin Committed by Ralf Baechle
Browse files

MIPS: Lantiq: Add device_tree_init function 



Add a lantiq specific version of device_tree_init. The generic MIPS version
was removed by.

commit 594e966bc412d64eec9282d28ce511bdd62fea39
Author: David Daney <david.daney@cavium.com>
Date:   Thu Jul 5 18:12:38 2012 +0200

MIPS: Prune some target specific code out of prom.c

Signed-off-by: default avatarJohn Crispin <blogic@openwrt.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4116/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent e29b72f5

arch/mips/lantiq/prom.c

+22 −0
Original line number Diff line number Diff line
@@ -8,7 +8,10 @@ 


#include <linux/export.h>

#include <linux/clk.h>

#include <linux/bootmem.h>

#include <linux/of_platform.h>

#include <linux/of_fdt.h>



#include <asm/bootinfo.h>

#include <asm/time.h>
@@ -70,6 +73,25 @@ void __init plat_mem_setup(void) 
	__dt_setup_arch(&__dtb_start);

}



void __init device_tree_init(void)

{

	unsigned long base, size;



	if (!initial_boot_params)

		return;



	base = virt_to_phys((void *)initial_boot_params);

	size = be32_to_cpu(initial_boot_params->totalsize);



	/* Before we do anything, lets reserve the dt blob */

	reserve_bootmem(base, size, BOOTMEM_DEFAULT);



	unflatten_device_tree();



	/* free the space reserved for the dt blob */

	free_bootmem(base, size);

}



void __init prom_init(void)

{

	/* call the soc specific detetcion code and get it to fill soc_info */