Commit 02624a17 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
Browse files

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
......@@ -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[] = {
{
......
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