Commit 520588f4 authored by Paul Mundt's avatar Paul Mundt Committed by Paul Mundt
Browse files

sh: URAM node support for SH7722. 



This adds the URAM block on SH7722 as a separate node.
Sparsemem is required for this, or it can simply be disabled
by explicitly selecting a flatmem model.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent b241cb0c

arch/sh/kernel/cpu/sh4a/setup-sh7722.c

+8 −1
Original line number Diff line number Diff line 
/*

 * SH7722 Setup

 *

 *  Copyright (C) 2006  Paul Mundt

 *  Copyright (C) 2006 - 2007  Paul Mundt

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive
@@ -10,6 +10,7 @@ 
#include <linux/platform_device.h>

#include <linux/init.h>

#include <linux/serial.h>

#include <linux/mm.h>

#include <asm/sci.h>



static struct plat_sci_port sci_platform_data[] = {
@@ -78,3 +79,9 @@ void __init init_IRQ_ipr(void) 
{

	make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map));

}



void __init plat_mem_setup(void)

{

	/* Register the URAM space as Node 1 */

	setup_bootmem_node(1, 0x055f0000, 0x05610000);

}

arch/sh/mm/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ config CPU_SUBTYPE_SH7722 
	select CPU_SH4AL_DSP

	select CPU_SHX2

	select CPU_HAS_IPR_IRQ

	select ARCH_SPARSEMEM_ENABLE



endchoice
@@ -321,6 +322,7 @@ config ARCH_SPARSEMEM_DEFAULT 


config MAX_ACTIVE_REGIONS

	int

	default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)

	default "1"



config ARCH_POPULATES_NODE_MAP