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/*
* Freescale GPMI NAND Flash Driver
*
* Copyright 2008-2011 Freescale Semiconductor, Inc.
* Copyright 2008 Embedded Alley Solutions, Inc.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __GPMI_NAND_GPMI_REGS_H
#define __GPMI_NAND_GPMI_REGS_H
#define HW_GPMI_CTRL0 0x00000000
#define HW_GPMI_CTRL0_SET 0x00000004
#define HW_GPMI_CTRL0_CLR 0x00000008
#define HW_GPMI_CTRL0_TOG 0x0000000c
#define BP_GPMI_CTRL0_COMMAND_MODE 24
#define BM_GPMI_CTRL0_COMMAND_MODE (3 << BP_GPMI_CTRL0_COMMAND_MODE)
#define BF_GPMI_CTRL0_COMMAND_MODE(v) \
(((v) << BP_GPMI_CTRL0_COMMAND_MODE) & BM_GPMI_CTRL0_COMMAND_MODE)
#define BV_GPMI_CTRL0_COMMAND_MODE__WRITE 0x0
#define BV_GPMI_CTRL0_COMMAND_MODE__READ 0x1
#define BV_GPMI_CTRL0_COMMAND_MODE__READ_AND_COMPARE 0x2
#define BV_GPMI_CTRL0_COMMAND_MODE__WAIT_FOR_READY 0x3
#define BM_GPMI_CTRL0_WORD_LENGTH (1 << 23)
#define BV_GPMI_CTRL0_WORD_LENGTH__16_BIT 0x0
#define BV_GPMI_CTRL0_WORD_LENGTH__8_BIT 0x1
/*
* Difference in LOCK_CS between imx23 and imx28 :
* This bit may impact the _POWER_ consumption. So some chips
* do not set it.
*/
#define MX23_BP_GPMI_CTRL0_LOCK_CS 22
#define MX28_BP_GPMI_CTRL0_LOCK_CS 27
#define LOCK_CS_ENABLE 0x1
#define BF_GPMI_CTRL0_LOCK_CS(v, x) 0x0
/* Difference in CS between imx23 and imx28 */
#define BP_GPMI_CTRL0_CS 20
#define MX23_BM_GPMI_CTRL0_CS (3 << BP_GPMI_CTRL0_CS)
#define MX28_BM_GPMI_CTRL0_CS (7 << BP_GPMI_CTRL0_CS)
#define BF_GPMI_CTRL0_CS(v, x) (((v) << BP_GPMI_CTRL0_CS) & \
(GPMI_IS_MX23((x)) \
? MX23_BM_GPMI_CTRL0_CS \
: MX28_BM_GPMI_CTRL0_CS))
#define BP_GPMI_CTRL0_ADDRESS 17
#define BM_GPMI_CTRL0_ADDRESS (3 << BP_GPMI_CTRL0_ADDRESS)
#define BF_GPMI_CTRL0_ADDRESS(v) \
(((v) << BP_GPMI_CTRL0_ADDRESS) & BM_GPMI_CTRL0_ADDRESS)
#define BV_GPMI_CTRL0_ADDRESS__NAND_DATA 0x0
#define BV_GPMI_CTRL0_ADDRESS__NAND_CLE 0x1
#define BV_GPMI_CTRL0_ADDRESS__NAND_ALE 0x2
#define BM_GPMI_CTRL0_ADDRESS_INCREMENT (1 << 16)
#define BV_GPMI_CTRL0_ADDRESS_INCREMENT__DISABLED 0x0
#define BV_GPMI_CTRL0_ADDRESS_INCREMENT__ENABLED 0x1
#define BP_GPMI_CTRL0_XFER_COUNT 0
#define BM_GPMI_CTRL0_XFER_COUNT (0xffff << BP_GPMI_CTRL0_XFER_COUNT)
#define BF_GPMI_CTRL0_XFER_COUNT(v) \
(((v) << BP_GPMI_CTRL0_XFER_COUNT) & BM_GPMI_CTRL0_XFER_COUNT)
#define HW_GPMI_COMPARE 0x00000010
#define HW_GPMI_ECCCTRL 0x00000020
#define HW_GPMI_ECCCTRL_SET 0x00000024
#define HW_GPMI_ECCCTRL_CLR 0x00000028
#define HW_GPMI_ECCCTRL_TOG 0x0000002c
#define BP_GPMI_ECCCTRL_ECC_CMD 13
#define BM_GPMI_ECCCTRL_ECC_CMD (3 << BP_GPMI_ECCCTRL_ECC_CMD)
#define BF_GPMI_ECCCTRL_ECC_CMD(v) \
(((v) << BP_GPMI_ECCCTRL_ECC_CMD) & BM_GPMI_ECCCTRL_ECC_CMD)
#define BV_GPMI_ECCCTRL_ECC_CMD__BCH_DECODE 0x0
#define BV_GPMI_ECCCTRL_ECC_CMD__BCH_ENCODE 0x1
#define BM_GPMI_ECCCTRL_ENABLE_ECC (1 << 12)
#define BV_GPMI_ECCCTRL_ENABLE_ECC__ENABLE 0x1
#define BV_GPMI_ECCCTRL_ENABLE_ECC__DISABLE 0x0
#define BP_GPMI_ECCCTRL_BUFFER_MASK 0
#define BM_GPMI_ECCCTRL_BUFFER_MASK (0x1ff << BP_GPMI_ECCCTRL_BUFFER_MASK)
#define BF_GPMI_ECCCTRL_BUFFER_MASK(v) \
(((v) << BP_GPMI_ECCCTRL_BUFFER_MASK) & BM_GPMI_ECCCTRL_BUFFER_MASK)
#define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_AUXONLY 0x100
#define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_PAGE 0x1FF
#define HW_GPMI_ECCCOUNT 0x00000030
#define HW_GPMI_PAYLOAD 0x00000040
#define HW_GPMI_AUXILIARY 0x00000050
#define HW_GPMI_CTRL1 0x00000060
#define HW_GPMI_CTRL1_SET 0x00000064
#define HW_GPMI_CTRL1_CLR 0x00000068
#define HW_GPMI_CTRL1_TOG 0x0000006c
#define BM_GPMI_CTRL1_BCH_MODE (1 << 18)
#define BP_GPMI_CTRL1_DLL_ENABLE 17
#define BM_GPMI_CTRL1_DLL_ENABLE (1 << BP_GPMI_CTRL1_DLL_ENABLE)
#define BP_GPMI_CTRL1_HALF_PERIOD 16
#define BM_GPMI_CTRL1_HALF_PERIOD (1 << BP_GPMI_CTRL1_HALF_PERIOD)
#define BP_GPMI_CTRL1_RDN_DELAY 12
#define BM_GPMI_CTRL1_RDN_DELAY (0xf << BP_GPMI_CTRL1_RDN_DELAY)
#define BF_GPMI_CTRL1_RDN_DELAY(v) \
(((v) << BP_GPMI_CTRL1_RDN_DELAY) & BM_GPMI_CTRL1_RDN_DELAY)
#define BM_GPMI_CTRL1_DEV_RESET (1 << 3)
#define BV_GPMI_CTRL1_DEV_RESET__ENABLED 0x0
#define BV_GPMI_CTRL1_DEV_RESET__DISABLED 0x1
#define BM_GPMI_CTRL1_ATA_IRQRDY_POLARITY (1 << 2)
#define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVELOW 0x0
#define BV_GPMI_CTRL1_ATA_IRQRDY_POLARITY__ACTIVEHIGH 0x1
#define BM_GPMI_CTRL1_CAMERA_MODE (1 << 1)
#define BV_GPMI_CTRL1_GPMI_MODE__NAND 0x0
#define BV_GPMI_CTRL1_GPMI_MODE__ATA 0x1
#define BM_GPMI_CTRL1_GPMI_MODE (1 << 0)
#define HW_GPMI_TIMING0 0x00000070
#define BP_GPMI_TIMING0_ADDRESS_SETUP 16
#define BM_GPMI_TIMING0_ADDRESS_SETUP (0xff << BP_GPMI_TIMING0_ADDRESS_SETUP)
#define BF_GPMI_TIMING0_ADDRESS_SETUP(v) \
(((v) << BP_GPMI_TIMING0_ADDRESS_SETUP) & BM_GPMI_TIMING0_ADDRESS_SETUP)
#define BP_GPMI_TIMING0_DATA_HOLD 8
#define BM_GPMI_TIMING0_DATA_HOLD (0xff << BP_GPMI_TIMING0_DATA_HOLD)
#define BF_GPMI_TIMING0_DATA_HOLD(v) \
(((v) << BP_GPMI_TIMING0_DATA_HOLD) & BM_GPMI_TIMING0_DATA_HOLD)
#define BP_GPMI_TIMING0_DATA_SETUP 0
#define BM_GPMI_TIMING0_DATA_SETUP (0xff << BP_GPMI_TIMING0_DATA_SETUP)
#define BF_GPMI_TIMING0_DATA_SETUP(v) \
(((v) << BP_GPMI_TIMING0_DATA_SETUP) & BM_GPMI_TIMING0_DATA_SETUP)
#define HW_GPMI_TIMING1 0x00000080
#define BP_GPMI_TIMING1_BUSY_TIMEOUT 16
#define BM_GPMI_TIMING1_BUSY_TIMEOUT (0xffff << BP_GPMI_TIMING1_BUSY_TIMEOUT)
#define BF_GPMI_TIMING1_BUSY_TIMEOUT(v) \
(((v) << BP_GPMI_TIMING1_BUSY_TIMEOUT) & BM_GPMI_TIMING1_BUSY_TIMEOUT)
#define HW_GPMI_TIMING2 0x00000090
#define HW_GPMI_DATA 0x000000a0
/* MX28 uses this to detect READY. */
#define HW_GPMI_STAT 0x000000b0
#define MX28_BP_GPMI_STAT_READY_BUSY 24
#define MX28_BM_GPMI_STAT_READY_BUSY (0xff << MX28_BP_GPMI_STAT_READY_BUSY)
#define MX28_BF_GPMI_STAT_READY_BUSY(v) \
(((v) << MX28_BP_GPMI_STAT_READY_BUSY) & MX28_BM_GPMI_STAT_READY_BUSY)
/* MX23 uses this to detect READY. */
#define HW_GPMI_DEBUG 0x000000c0
#define MX23_BP_GPMI_DEBUG_READY0 28
#define MX23_BM_GPMI_DEBUG_READY0 (1 << MX23_BP_GPMI_DEBUG_READY0)
#endif
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