linux-imx

/*

 * Marvell EBU SoC Device Bus Controller

 * (memory controller for NOR/NAND/SRAM/FPGA devices)

 *

 * Copyright (C) 2013-2014 Marvell

 *

 * 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 version 2 of the License.

 *

 * 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, see <http://www.gnu.org/licenses/>.

 *

 */

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/slab.h>

#include <linux/err.h>

#include <linux/io.h>

#include <linux/clk.h>

#include <linux/mbus.h>

#include <linux/of_platform.h>

#include <linux/of_address.h>

#include <linux/platform_device.h>

​

/* Register definitions */

#define ARMADA_DEV_WIDTH_SHIFT      30

#define ARMADA_BADR_SKEW_SHIFT      28

#define ARMADA_RD_HOLD_SHIFT        23

#define ARMADA_ACC_NEXT_SHIFT       17

#define ARMADA_RD_SETUP_SHIFT       12

#define ARMADA_ACC_FIRST_SHIFT      6

​

#define ARMADA_SYNC_ENABLE_SHIFT    24

#define ARMADA_WR_HIGH_SHIFT        16

#define ARMADA_WR_LOW_SHIFT     8

​

#define ARMADA_READ_PARAM_OFFSET    0x0

#define ARMADA_WRITE_PARAM_OFFSET   0x4

​

#define ORION_RESERVED          (0x2 << 30)

#define ORION_BADR_SKEW_SHIFT       28

#define ORION_WR_HIGH_EXT_BIT       BIT(27)

#define ORION_WR_HIGH_EXT_MASK      0x8

#define ORION_WR_LOW_EXT_BIT        BIT(26)

#define ORION_WR_LOW_EXT_MASK       0x8

#define ORION_ALE_WR_EXT_BIT        BIT(25)

#define ORION_ALE_WR_EXT_MASK       0x8

#define ORION_ACC_NEXT_EXT_BIT      BIT(24)

#define ORION_ACC_NEXT_EXT_MASK     0x10

#define ORION_ACC_FIRST_EXT_BIT     BIT(23)

#define ORION_ACC_FIRST_EXT_MASK    0x10

#define ORION_TURN_OFF_EXT_BIT      BIT(22)

#define ORION_TURN_OFF_EXT_MASK     0x8

#define ORION_DEV_WIDTH_SHIFT       20

#define ORION_WR_HIGH_SHIFT     17

#define ORION_WR_HIGH_MASK      0x7