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S5PC100: Memory SubSystem Header file, register description(SROMC). 

Memory subsystem of S5PC100 handles SROM, SRAM, OneDRAM, OneNand,
NAND Flash, DDRs.
smc.h is a common place for the register description of Memory subsystem
of S5PC100.
Note: Only SROM related registers are descibed now.

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Naveen Krishna CH 2010-03-05 17:15:13 +09:00 committed by trix
parent abbe18c353
commit a28bec89cc
1 changed files with 50 additions and 0 deletions
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include/asm-arm/arch-s5pc1xx/smc.h Normal file
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/*
* (C) Copyright 2010 Samsung Electronics
* Naveen Krishna Ch <ch.naveen@samsung.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Note: This file contains the register description for Memory subsystem
* (SROM, NAND Flash, OneNand, DDR, OneDRAM) on S5PC1XX.
*
* Only SROMC is defined as of now
*/
#ifndef __ASM_ARCH_SMC_H_
#define __ASM_ARCH_SMC_H_
#define SMC_DATA16_WIDTH(x) (1<<((x*4)+0))
#define SMC_BYTE_ADDR_MODE(x) (1<<((x*4)+1)) /* 0-> Half-word base address*/
/* 1-> Byte base address*/
#define SMC_WAIT_ENABLE(x) (1<<((x*4)+2))
#define SMC_BYTE_ENABLE(x) (1<<((x*4)+3))
#define SMC_BC_TACS(x) (x << 28) /* 0clk address set-up */
#define SMC_BC_TCOS(x) (x << 24) /* 4clk chip selection set-up */
#define SMC_BC_TACC(x) (x << 16) /* 14clk access cycle */
#define SMC_BC_TCOH(x) (x << 12) /* 1clk chip selection hold */
#define SMC_BC_TAH(x) (x << 8) /* 4clk address holding time */
#define SMC_BC_TACP(x) (x << 4) /* 6clk page mode access cycle */
#define SMC_BC_PMC(x) (x << 0) /* normal(1data)page mode configuration */
#ifndef __ASSEMBLY__
struct s5pc1xx_smc {
unsigned int bw;
unsigned int bc[6];
};
#endif /* __ASSEMBLY__ */
#endif /* __ASM_ARCH_SMC_H_ */