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Commit 02624a17 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
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ARM: mach-shmobile: ap4evb: Add tiny document 



Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent b228b48e

arch/arm/mach-shmobile/board-ap4evb.c

+42 −0
Original line number Diff line number Diff line
@@ -35,6 +35,48 @@ 
#include <asm/mach/arch.h>

#include <asm/mach/map.h>



/*

 * Address	Interface		BusWidth	note

 * ------------------------------------------------------------------

 * 0x0000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = ON

 * 0x0800_0000	user area		-

 * 0x1000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = OFF

 * 0x1400_0000	Ether (LAN9220)		16bit

 * 0x1600_0000	user area		-		cannot use with NAND

 * 0x1800_0000	user area		-

 * 0x1A00_0000	-

 * 0x4000_0000	LPDDR2-SDRAM (POP)	32bit

 */



/*

 * NOR Flash ROM

 *

 *  SW1  |     SW2    | SW7  | NOR Flash ROM

 *  bit1 | bit1  bit2 | bit1 | Memory allocation

 * ------+------------+------+------------------

 *  OFF  | ON     OFF | ON   |    Area 0

 *  OFF  | ON     OFF | OFF  |    Area 4

 */



/*

 * NAND Flash ROM

 *

 *  SW1  |     SW2    | SW7  | NAND Flash ROM

 *  bit1 | bit1  bit2 | bit2 | Memory allocation

 * ------+------------+------+------------------

 *  OFF  | ON     OFF | ON   |    FCE 0

 *  OFF  | ON     OFF | OFF  |    FCE 1

 */



/*

 * SMSC 9220

 *

 *  SW1		SMSC 9220

 * -----------------------

 *  ON		access disable

 *  OFF		access enable

 */



/* MTD */

static struct mtd_partition nor_flash_partitions[] = {

	{