MIPS: Lantiq: Add device_tree_init function (a9188bc1) · Commits · 戴 / test

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:

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

Ralf Baechle <ralf@linux-mips.org>

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 */

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