linux/drivers/memory/samsung/exynos-srom.h
Pankaj Dubey a8aabb91dc memory: Add support for Exynos SROM driver
This patch adds Exynos SROM controller driver which will handle
save restore of SROM registers during S2R.

Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
[p.fedin@samsung.com: tested on SMDK5410]
Tested-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
[k.kozlowski: Minor COMPILE_TEST adjustments in Kconfig entries]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2016-04-18 14:25:27 +02:00

52 lines
1.6 KiB
C

/*
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Exynos SROMC register definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __EXYNOS_SROM_H
#define __EXYNOS_SROM_H __FILE__
#define EXYNOS_SROMREG(x) (x)
#define EXYNOS_SROM_BW EXYNOS_SROMREG(0x0)
#define EXYNOS_SROM_BC0 EXYNOS_SROMREG(0x4)
#define EXYNOS_SROM_BC1 EXYNOS_SROMREG(0x8)
#define EXYNOS_SROM_BC2 EXYNOS_SROMREG(0xc)
#define EXYNOS_SROM_BC3 EXYNOS_SROMREG(0x10)
#define EXYNOS_SROM_BC4 EXYNOS_SROMREG(0x14)
#define EXYNOS_SROM_BC5 EXYNOS_SROMREG(0x18)
/* one register BW holds 4 x 4-bit packed settings for NCS0 - NCS3 */
#define EXYNOS_SROM_BW__DATAWIDTH__SHIFT 0
#define EXYNOS_SROM_BW__ADDRMODE__SHIFT 1
#define EXYNOS_SROM_BW__WAITENABLE__SHIFT 2
#define EXYNOS_SROM_BW__BYTEENABLE__SHIFT 3
#define EXYNOS_SROM_BW__CS_MASK 0xf
#define EXYNOS_SROM_BW__NCS0__SHIFT 0
#define EXYNOS_SROM_BW__NCS1__SHIFT 4
#define EXYNOS_SROM_BW__NCS2__SHIFT 8
#define EXYNOS_SROM_BW__NCS3__SHIFT 12
#define EXYNOS_SROM_BW__NCS4__SHIFT 16
#define EXYNOS_SROM_BW__NCS5__SHIFT 20
/* applies to same to BCS0 - BCS3 */
#define EXYNOS_SROM_BCX__PMC__SHIFT 0
#define EXYNOS_SROM_BCX__TACP__SHIFT 4
#define EXYNOS_SROM_BCX__TCAH__SHIFT 8
#define EXYNOS_SROM_BCX__TCOH__SHIFT 12
#define EXYNOS_SROM_BCX__TACC__SHIFT 16
#define EXYNOS_SROM_BCX__TCOS__SHIFT 24
#define EXYNOS_SROM_BCX__TACS__SHIFT 28
#endif /* __EXYNOS_SROM_H */