/* Freescale Integrated Flash Controller
 *
 * Copyright 2011 Freescale Semiconductor, Inc
 *
 * Author: Dipen Dudhat <dipen.dudhat@freescale.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
 */

#ifndef __ASM_FSL_IFC_H
#define __ASM_FSL_IFC_H

#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/io.h>

#include <linux/of_platform.h>
#include <linux/interrupt.h>

/*
 * The actual number of banks implemented depends on the IFC version
 *    - IFC version 1.0 implements 4 banks.
 *    - IFC version 1.1 onward implements 8 banks.
 */
#define FSL_IFC_BANK_COUNT 8

#define FSL_IFC_VERSION_MASK    0x0F0F0000
#define FSL_IFC_VERSION_1_0_0   0x01000000
#define FSL_IFC_VERSION_1_1_0   0x01010000
#define FSL_IFC_VERSION_2_0_0   0x02000000

#define PGOFFSET_64K    (64*1024)
#define PGOFFSET_4K     (4*1024)

/*
 * CSPR - Chip Select Property Register
 */
#define CSPR_BA                         0xFFFF0000
#define CSPR_BA_SHIFT                   16
#define CSPR_PORT_SIZE                  0x00000180
#define CSPR_PORT_SIZE_SHIFT            7
/* Port Size 8 bit */
#define CSPR_PORT_SIZE_8                0x00000080
/* Port Size 16 bit */
#define CSPR_PORT_SIZE_16               0x00000100
/* Port Size 32 bit */
#define CSPR_PORT_SIZE_32               0x00000180
/* Write Protect */
#define CSPR_WP                         0x00000040
#define CSPR_WP_SHIFT                   6
/* Machine Select */
#define CSPR_MSEL                       0x00000006
#define CSPR_MSEL_SHIFT                 1
/* NOR */
#define CSPR_MSEL_NOR                   0x00000000
/* NAND */
#define CSPR_MSEL_NAND                  0x00000002
/* GPCM */
#define CSPR_MSEL_GPCM                  0x00000004
/* Bank Valid */
#define CSPR_V                          0x00000001
#define CSPR_V_SHIFT                    0

/*
 * Address Mask Register
 */
#define IFC_AMASK_MASK                  0xFFFF0000
#define IFC_AMASK_SHIFT                 16
#define IFC_AMASK(n)                    (IFC_AMASK_MASK << \
                                        (__ilog2(n) - IFC_AMASK_SHIFT))

/*
 * Chip Select Option Register IFC_NAND Machine
 */
/* Enable ECC Encoder */
#define CSOR_NAND_ECC_ENC_EN            0x80000000
#define CSOR_NAND_ECC_MODE_MASK         0x30000000
/* 4 bit correction per 520 Byte sector */
#define CSOR_NAND_ECC_MODE_4            0x00000000
/* 8 bit correction per 528 Byte sector */
#define CSOR_NAND_ECC_MODE_8            0x10000000
/* Enable ECC Decoder */
#define CSOR_NAND_ECC_DEC_EN            0x04000000
/* Row Address Length */
#define CSOR_NAND_RAL_MASK              0x01800000
#define CSOR_NAND_RAL_SHIFT             20
#define CSOR_NAND_RAL_1                 0x00000000
#define CSOR_NAND_RAL_2                 0x00800000
#define CSOR_NAND_RAL_3                 0x01000000
#define CSOR_NAND_RAL_4                 0x01800000
/* Page Size 512b, 2k, 4k */
#define CSOR_NAND_PGS_MASK              0x00180000
#define CSOR_NAND_PGS_SHIFT             16
#define CSOR_NAND_PGS_512               0x00000000
#define CSOR_NAND_PGS_2K                0x00080000
#define CSOR_NAND_PGS_4K                0x00100000
#define CSOR_NAND_PGS_8K                0x00180000
/* Spare region Size */
#define CSOR_NAND_SPRZ_MASK             0x0000E000
#define CSOR_NAND_SPRZ_SHIFT            13
#define CSOR_NAND_SPRZ_16               0x00000000
#define CSOR_NAND_SPRZ_64               0x00002000
#define CSOR_NAND_SPRZ_128              0x00004000
#define CSOR_NAND_SPRZ_210              0x00006000
#define CSOR_NAND_SPRZ_218              0x00008000
#define CSOR_NAND_SPRZ_224              0x0000A000
#define CSOR_NAND_SPRZ_CSOR_EXT         0x0000C000
/* Pages Per Block */
#define CSOR_NAND_PB_MASK               0x00000700
#define CSOR_NAND_PB_SHIFT              8
#define CSOR_NAND_PB(n)         ((__ilog2(n) - 5) << CSOR_NAND_PB_SHIFT)
/* Time for Read Enable High to Output High Impedance */
#define CSOR_NAND_TRHZ_MASK             0x0000001C
#define CSOR_NAND_TRHZ_SHIFT            2
#define CSOR_NAND_TRHZ_20               0x00000000
#define CSOR_NAND_TRHZ_40               0x00000004
#define CSOR_NAND_TRHZ_60               0x00000008
#define CSOR_NAND_TRHZ_80               0x0000000C
#define CSOR_NAND_TRHZ_100              0x00000010
/* Buffer control disable */
#define CSOR_NAND_BCTLD                 0x00000001

/*
 * Chip Select Option Register - NOR Flash Mode
 */
/* Enable Address shift Mode */
#define CSOR_NOR_ADM_SHFT_MODE_EN       0x80000000
/* Page Read Enable from NOR device */
#define CSOR_NOR_PGRD_EN                0x10000000
/* AVD Toggle Enable during Burst Program */
#define CSOR_NOR_AVD_TGL_PGM_EN         0x01000000
/* Address Data Multiplexing Shift */
#define CSOR_NOR_ADM_MASK               0x0003E000
#define CSOR_NOR_ADM_SHIFT_SHIFT        13
#define CSOR_NOR_ADM_SHIFT(n)   ((n) << CSOR_NOR_ADM_SHIFT_SHIFT)
/* Type of the NOR device hooked */
#define CSOR_NOR_NOR_MODE_AYSNC_NOR     0x00000000
#define CSOR_NOR_NOR_MODE_AVD_NOR       0x00000020
/* Time for Read Enable High to Output High Impedance */
#define CSOR_NOR_TRHZ_MASK              0x0000001C
#define CSOR_NOR_TRHZ_SHIFT             2
#define CSOR_NOR_TRHZ_20                0x00000000
#define CSOR_NOR_TRHZ_40                0x00000004
#define CSOR_NOR_TRHZ_60                0x00000008
#define CSOR_NOR_TRHZ_80                0x0000000C
#define CSOR_NOR_TRHZ_100               0x00000010
/* Buffer control disable */
#define CSOR_NOR_BCTLD                  0x00000001

/*
 * Chip Select Option Register - GPCM Mode
 */
/* GPCM Mode - Normal */
#define CSOR_GPCM_GPMODE_NORMAL         0x00000000
/* GPCM Mode - GenericASIC */
#define CSOR_GPCM_GPMODE_ASIC           0x80000000
/* Parity Mode odd/even */
#define CSOR_GPCM_PARITY_EVEN           0x40000000
/* Parity Checking enable/disable */
#define CSOR_GPCM_PAR_EN                0x20000000
/* GPCM Timeout Count */
#define CSOR_GPCM_GPTO_MASK             0x0F000000
#define CSOR_GPCM_GPTO_SHIFT            24
#define CSOR_GPCM_GPTO(n)       ((__ilog2(n) - 8) << CSOR_GPCM_GPTO_SHIFT)
/* GPCM External Access Termination mode for read access */
#define CSOR_GPCM_RGETA_EXT             0x00080000
/* GPCM External Access Termination mode for write access */
#define CSOR_GPCM_WGETA_EXT             0x00040000
/* Address Data Multiplexing Shift */
#define CSOR_GPCM_ADM_MASK              0x0003E000
#define CSOR_GPCM_ADM_SHIFT_SHIFT       13
#define CSOR_GPCM_ADM_SHIFT(n)  ((n) << CSOR_GPCM_ADM_SHIFT_SHIFT)
/* Generic ASIC Parity error indication delay */
#define CSOR_GPCM_GAPERRD_MASK          0x00000180
#define CSOR_GPCM_GAPERRD_SHIFT         7
#define CSOR_GPCM_GAPERRD(n)    (((n) - 1) << CSOR_GPCM_GAPERRD_SHIFT)
/* Time for Read Enable High to Output High Impedance */
#define CSOR_GPCM_TRHZ_MASK             0x0000001C
#define CSOR_GPCM_TRHZ_20               0x00000000
#define CSOR_GPCM_TRHZ_40               0x00000004
#define CSOR_GPCM_TRHZ_60               0x00000008
#define CSOR_GPCM_TRHZ_80               0x0000000C
#define CSOR_GPCM_TRHZ_100              0x00000010
/* Buffer control disable */
#define CSOR_GPCM_BCTLD                 0x00000001

/*
 * Ready Busy Status Register (RB_STAT)
 */
/* CSn is READY */
#define IFC_RB_STAT_READY_CS0           0x80000000
#define IFC_RB_STAT_READY_CS1           0x40000000
#define IFC_RB_STAT_READY_CS2           0x20000000
#define IFC_RB_STAT_READY_CS3           0x10000000

/*
 * General Control Register (GCR)
 */
#define IFC_GCR_MASK                    0x8000F800
/* reset all IFC hardware */
#define IFC_GCR_SOFT_RST_ALL            0x80000000
/* Turnaroud Time of external buffer */
#define IFC_GCR_TBCTL_TRN_TIME          0x0000F800
#define IFC_GCR_TBCTL_TRN_TIME_SHIFT    11

/*
 * Common Event and Error Status Register (CM_EVTER_STAT)
 */
/* Chip select error */
#define IFC_CM_EVTER_STAT_CSER          0x80000000

/*
 * Common Event and Error Enable Register (CM_EVTER_EN)
 */
/* Chip select error checking enable */
#define IFC_CM_EVTER_EN_CSEREN          0x80000000

/*
 * Common Event and Error Interrupt Enable Register (CM_EVTER_INTR_EN)
 */
/* Chip select error interrupt enable */
#define IFC_CM_EVTER_INTR_EN_CSERIREN   0x80000000

/*
 * Common Transfer Error Attribute Register-0 (CM_ERATTR0)
 */
/* transaction type of error Read/Write */
#define IFC_CM_ERATTR0_ERTYP_READ       0x80000000
#define IFC_CM_ERATTR0_ERAID            0x0FF00000
#define IFC_CM_ERATTR0_ERAID_SHIFT      20
#define IFC_CM_ERATTR0_ESRCID           0x0000FF00
#define IFC_CM_ERATTR0_ESRCID_SHIFT     8

/*
 * Clock Control Register (CCR)
 */
#define IFC_CCR_MASK                    0x0F0F8800
/* Clock division ratio */
#define IFC_CCR_CLK_DIV_MASK            0x0F000000
#define IFC_CCR_CLK_DIV_SHIFT           24
#define IFC_CCR_CLK_DIV(n)              ((n-1) << IFC_CCR_CLK_DIV_SHIFT)
/* IFC Clock Delay */
#define IFC_CCR_CLK_DLY_MASK            0x000F0000
#define IFC_CCR_CLK_DLY_SHIFT           16
#define IFC_CCR_CLK_DLY(n)              ((n) << IFC_CCR_CLK_DLY_SHIFT)
/* Invert IFC clock before sending out */
#define IFC_CCR_INV_CLK_EN              0x00008000
/* Fedback IFC Clock */
#define IFC_CCR_FB_IFC_CLK_SEL          0x00000800

/*
 * Clock Status Register (CSR)
 */
/* Clk is stable */
#define IFC_CSR_CLK_STAT_STABLE         0x80000000

/*
 * IFC_NAND Machine Specific Registers
 */
/*
 * NAND Configuration Register (NCFGR)
 */
/* Auto Boot Mode */
#define IFC_NAND_NCFGR_BOOT             0x80000000
/* Addressing Mode-ROW0+n/COL0 */
#define IFC_NAND_NCFGR_ADDR_MODE_RC0    0x00000000
/* Addressing Mode-ROW0+n/COL0+n */
#define IFC_NAND_NCFGR_ADDR_MODE_RC1    0x00400000
/* Number of loop iterations of FIR sequences for multi page operations */
#define IFC_NAND_NCFGR_NUM_LOOP_MASK    0x0000F000
#define IFC_NAND_NCFGR_NUM_LOOP_SHIFT   12
#define IFC_NAND_NCFGR_NUM_LOOP(n)      ((n) << IFC_NAND_NCFGR_NUM_LOOP_SHIFT)
/* Number of wait cycles */
#define IFC_NAND_NCFGR_NUM_WAIT_MASK    0x000000FF
#define IFC_NAND_NCFGR_NUM_WAIT_SHIFT   0

/*
 * NAND Flash Command Registers (NAND_FCR0/NAND_FCR1)
 */
/* General purpose FCM flash command bytes CMD0-CMD7 */
#define IFC_NAND_FCR0_CMD0              0xFF000000
#define IFC_NAND_FCR0_CMD0_SHIFT        24
#define IFC_NAND_FCR0_CMD1              0x00FF0000
#define IFC_NAND_FCR0_CMD1_SHIFT        16
#define IFC_NAND_FCR0_CMD2              0x0000FF00
#define IFC_NAND_FCR0_CMD2_SHIFT        8
#define IFC_NAND_FCR0_CMD3              0x000000FF
#define IFC_NAND_FCR0_CMD3_SHIFT        0
#define IFC_NAND_FCR1_CMD4              0xFF000000
#define IFC_NAND_FCR1_CMD4_SHIFT        24
#define IFC_NAND_FCR1_CMD5              0x00FF0000
#define IFC_NAND_FCR1_CMD5_SHIFT        16
#define IFC_NAND_FCR1_CMD6              0x0000FF00
#define IFC_NAND_FCR1_CMD6_SHIFT        8
#define IFC_NAND_FCR1_CMD7              0x000000FF
#define IFC_NAND_FCR1_CMD7_SHIFT        0

/*
 * Flash ROW and COL Address Register (ROWn, COLn)
 */
/* Main/spare region locator */
#define IFC_NAND_COL_MS                 0x80000000
/* Column Address */
#define IFC_NAND_COL_CA_MASK            0x00000FFF

/*
 * NAND Flash Byte Count Register (NAND_BC)
 */
/* Byte Count for read/Write */
#define IFC_NAND_BC                     0x000001FF

/*
 * NAND Flash Instruction Registers (NAND_FIR0/NAND_FIR1/NAND_FIR2)
 */
/* NAND Machine specific opcodes OP0-OP14*/
#define IFC_NAND_FIR0_OP0               0xFC000000
#define IFC_NAND_FIR0_OP0_SHIFT         26
#define IFC_NAND_FIR0_OP1               0x03F00000
#define IFC_NAND_FIR0_OP1_SHIFT         20
#define IFC_NAND_FIR0_OP2               0x000FC000
#define IFC_NAND_FIR0_OP2_SHIFT         14
#define IFC_NAND_FIR0_OP3               0x00003F00
#define IFC_NAND_FIR0_OP3_SHIFT         8
#define IFC_NAND_FIR0_OP4               0x000000FC
#define IFC_NAND_FIR0_OP4_SHIFT         2
#define IFC_NAND_FIR1_OP5               0xFC000000
#define IFC_NAND_FIR1_OP5_SHIFT         26
#define IFC_NAND_FIR1_OP6               0x03F00000
#define IFC_NAND_FIR1_OP6_SHIFT         20
#define IFC_NAND_FIR1_OP7               0x000FC000
#define IFC_NAND_FIR1_OP7_SHIFT         14
#define IFC_NAND_FIR1_OP8               0x00003F00
#define IFC_NAND_FIR1_OP8_SHIFT         8
#define IFC_NAND_FIR1_OP9               0x000000FC
#define IFC_NAND_FIR1_OP9_SHIFT         2
#define IFC_NAND_FIR2_OP10              0xFC000000
#define IFC_NAND_FIR2_OP10_SHIFT        26
#define IFC_NAND_FIR2_OP11              0x03F00000
#define IFC_NAND_FIR2_OP11_SHIFT        20
#define IFC_NAND_FIR2_OP12              0x000FC000
#define IFC_NAND_FIR2_OP12_SHIFT        14
#define IFC_NAND_FIR2_OP13              0x00003F00
#define IFC_NAND_FIR2_OP13_SHIFT        8
#define IFC_NAND_FIR2_OP14              0x000000FC
#define IFC_NAND_FIR2_OP14_SHIFT        2

/*
 * Instruction opcodes to be programmed
 * in FIR registers- 6bits
 */
enum ifc_nand_fir_opcodes {
        IFC_FIR_OP_NOP,
        IFC_FIR_OP_CA0,
        IFC_FIR_OP_CA1,
        IFC_FIR_OP_CA2,
        IFC_FIR_OP_CA3,
        IFC_FIR_OP_RA0,
        IFC_FIR_OP_RA1,
        IFC_FIR_OP_RA2,
        IFC_FIR_OP_RA3,
        IFC_FIR_OP_CMD0,
        IFC_FIR_OP_CMD1,
        IFC_FIR_OP_CMD2,
        IFC_FIR_OP_CMD3,
        IFC_FIR_OP_CMD4,
        IFC_FIR_OP_CMD5,
        IFC_FIR_OP_CMD6,
        IFC_FIR_OP_CMD7,
        IFC_FIR_OP_CW0,
        IFC_FIR_OP_CW1,
        IFC_FIR_OP_CW2,
        IFC_FIR_OP_CW3,
        IFC_FIR_OP_CW4,
        IFC_FIR_OP_CW5,
        IFC_FIR_OP_CW6,
        IFC_FIR_OP_CW7,
        IFC_FIR_OP_WBCD,
        IFC_FIR_OP_RBCD,
        IFC_FIR_OP_BTRD,
        IFC_FIR_OP_RDSTAT,
        IFC_FIR_OP_NWAIT,
        IFC_FIR_OP_WFR,
        IFC_FIR_OP_SBRD,
        IFC_FIR_OP_UA,
        IFC_FIR_OP_RB,
};

/*
 * NAND Chip Select Register (NAND_CSEL)
 */
#define IFC_NAND_CSEL                   0x0C000000
#define IFC_NAND_CSEL_SHIFT             26
#define IFC_NAND_CSEL_CS0               0x00000000
#define IFC_NAND_CSEL_CS1               0x04000000
#define IFC_NAND_CSEL_CS2               0x08000000
#define IFC_NAND_CSEL_CS3               0x0C000000

/*
 * NAND Operation Sequence Start (NANDSEQ_STRT)
 */
/* NAND Flash Operation Start */
#define IFC_NAND_SEQ_STRT_FIR_STRT      0x80000000
/* Automatic Erase */
#define IFC_NAND_SEQ_STRT_AUTO_ERS      0x00800000
/* Automatic Program */
#define IFC_NAND_SEQ_STRT_AUTO_PGM      0x00100000
/* Automatic Copyback */
#define IFC_NAND_SEQ_STRT_AUTO_CPB      0x00020000
/* Automatic Read Operation */
#define IFC_NAND_SEQ_STRT_AUTO_RD       0x00004000
/* Automatic Status Read */
#define IFC_NAND_SEQ_STRT_AUTO_STAT_RD  0x00000800

/*
 * NAND Event and Error Status Register (NAND_EVTER_STAT)
 */
/* Operation Complete */
#define IFC_NAND_EVTER_STAT_OPC         0x80000000
/* Flash Timeout Error */
#define IFC_NAND_EVTER_STAT_FTOER       0x08000000
/* Write Protect Error */
#define IFC_NAND_EVTER_STAT_WPER        0x04000000
/* ECC Error */
#define IFC_NAND_EVTER_STAT_ECCER       0x02000000
/* RCW Load Done */
#define IFC_NAND_EVTER_STAT_RCW_DN      0x00008000
/* Boot Loadr Done */
#define IFC_NAND_EVTER_STAT_BOOT_DN     0x00004000
/* Bad Block Indicator search select */
#define IFC_NAND_EVTER_STAT_BBI_SRCH_SE 0x00000800

/*
 * NAND Flash Page Read Completion Event Status Register
 * (PGRDCMPL_EVT_STAT)
 */
#define PGRDCMPL_EVT_STAT_MASK          0xFFFF0000
/* Small Page 0-15 Done */
#define PGRDCMPL_EVT_STAT_SECTION_SP(n) (1 << (31 - (n)))
/* Large Page(2K) 0-3 Done */
#define PGRDCMPL_EVT_STAT_LP_2K(n)      (0xF << (28 - (n)*4))
/* Large Page(4K) 0-1 Done */
#define PGRDCMPL_EVT_STAT_LP_4K(n)      (0xFF << (24 - (n)*8))

/*
 * NAND Event and Error Enable Register (NAND_EVTER_EN)
 */
/* Operation complete event enable */
#define IFC_NAND_EVTER_EN_OPC_EN        0x80000000
/* Page read complete event enable */
#define IFC_NAND_EVTER_EN_PGRDCMPL_EN   0x20000000
/* Flash Timeout error enable */
#define IFC_NAND_EVTER_EN_FTOER_EN      0x08000000
/* Write Protect error enable */
#define IFC_NAND_EVTER_EN_WPER_EN       0x04000000
/* ECC error logging enable */
#define IFC_NAND_EVTER_EN_ECCER_EN      0x02000000

/*
 * NAND Event and Error Interrupt Enable Register (NAND_EVTER_INTR_EN)
 */
/* Enable interrupt for operation complete */
#define IFC_NAND_EVTER_INTR_OPCIR_EN            0x80000000
/* Enable interrupt for Page read complete */
#define IFC_NAND_EVTER_INTR_PGRDCMPLIR_EN       0x20000000
/* Enable interrupt for Flash timeout error */
#define IFC_NAND_EVTER_INTR_FTOERIR_EN          0x08000000
/* Enable interrupt for Write protect error */
#define IFC_NAND_EVTER_INTR_WPERIR_EN           0x04000000
/* Enable interrupt for ECC error*/
#define IFC_NAND_EVTER_INTR_ECCERIR_EN          0x02000000

/*
 * NAND Transfer Error Attribute Register-0 (NAND_ERATTR0)
 */
#define IFC_NAND_ERATTR0_MASK           0x0C080000
/* Error on CS0-3 for NAND */
#define IFC_NAND_ERATTR0_ERCS_CS0       0x00000000
#define IFC_NAND_ERATTR0_ERCS_CS1       0x04000000
#define IFC_NAND_ERATTR0_ERCS_CS2       0x08000000
#define IFC_NAND_ERATTR0_ERCS_CS3       0x0C000000
/* Transaction type of error Read/Write */
#define IFC_NAND_ERATTR0_ERTTYPE_READ   0x00080000

/*
 * NAND Flash Status Register (NAND_FSR)
 */
/* First byte of data read from read status op */
#define IFC_NAND_NFSR_RS0               0xFF000000
/* Second byte of data read from read status op */
#define IFC_NAND_NFSR_RS1               0x00FF0000

/*
 * ECC Error Status Registers (ECCSTAT0-ECCSTAT3)
 */
/* Number of ECC errors on sector n (n = 0-15) */
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_MASK   0x0F000000
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR0_SHIFT  24
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_MASK   0x000F0000
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR1_SHIFT  16
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_MASK   0x00000F00
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR2_SHIFT  8
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_MASK   0x0000000F
#define IFC_NAND_ECCSTAT0_ERRCNT_SECTOR3_SHIFT  0
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_MASK   0x0F000000
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR4_SHIFT  24
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_MASK   0x000F0000
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR5_SHIFT  16
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_MASK   0x00000F00
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR6_SHIFT  8
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_MASK   0x0000000F
#define IFC_NAND_ECCSTAT1_ERRCNT_SECTOR7_SHIFT  0
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_MASK   0x0F000000
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR8_SHIFT  24
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_MASK   0x000F0000
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR9_SHIFT  16
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_MASK  0x00000F00
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR10_SHIFT 8
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_MASK  0x0000000F
#define IFC_NAND_ECCSTAT2_ERRCNT_SECTOR11_SHIFT 0
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_MASK  0x0F000000
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR12_SHIFT 24
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_MASK  0x000F0000
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR13_SHIFT 16
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_MASK  0x00000F00
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR14_SHIFT 8
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_MASK  0x0000000F
#define IFC_NAND_ECCSTAT3_ERRCNT_SECTOR15_SHIFT 0

/*
 * NAND Control Register (NANDCR)
 */
#define IFC_NAND_NCR_FTOCNT_MASK        0x1E000000
#define IFC_NAND_NCR_FTOCNT_SHIFT       25
#define IFC_NAND_NCR_FTOCNT(n)  ((_ilog2(n) - 8)  << IFC_NAND_NCR_FTOCNT_SHIFT)

/*
 * NAND_AUTOBOOT_TRGR
 */
/* Trigger RCW load */
#define IFC_NAND_AUTOBOOT_TRGR_RCW_LD   0x80000000
/* Trigget Auto Boot */
#define IFC_NAND_AUTOBOOT_TRGR_BOOT_LD  0x20000000

/*
 * NAND_MDR
 */
/* 1st read data byte when opcode SBRD */
#define IFC_NAND_MDR_RDATA0             0xFF000000
/* 2nd read data byte when opcode SBRD */
#define IFC_NAND_MDR_RDATA1             0x00FF0000

/*
 * NOR Machine Specific Registers
 */
/*
 * NOR Event and Error Status Register (NOR_EVTER_STAT)
 */
/* NOR Command Sequence Operation Complete */
#define IFC_NOR_EVTER_STAT_OPC_NOR      0x80000000
/* Write Protect Error */
#define IFC_NOR_EVTER_STAT_WPER         0x04000000
/* Command Sequence Timeout Error */
#define IFC_NOR_EVTER_STAT_STOER        0x01000000

/*
 * NOR Event and Error Enable Register (NOR_EVTER_EN)
 */
/* NOR Command Seq complete event enable */
#define IFC_NOR_EVTER_EN_OPCEN_NOR      0x80000000
/* Write Protect Error Checking Enable */
#define IFC_NOR_EVTER_EN_WPEREN         0x04000000
/* Timeout Error Enable */
#define IFC_NOR_EVTER_EN_STOEREN        0x01000000

/*
 * NOR Event and Error Interrupt Enable Register (NOR_EVTER_INTR_EN)
 */
/* Enable interrupt for OPC complete */
#define IFC_NOR_EVTER_INTR_OPCEN_NOR    0x80000000
/* Enable interrupt for write protect error */
#define IFC_NOR_EVTER_INTR_WPEREN       0x04000000
/* Enable interrupt for timeout error */
#define IFC_NOR_EVTER_INTR_STOEREN      0x01000000

/*
 * NOR Transfer Error Attribute Register-0 (NOR_ERATTR0)
 */
/* Source ID for error transaction */
#define IFC_NOR_ERATTR0_ERSRCID         0xFF000000
/* AXI ID for error transation */
#define IFC_NOR_ERATTR0_ERAID           0x000FF000
/* Chip select corresponds to NOR error */
#define IFC_NOR_ERATTR0_ERCS_CS0        0x00000000
#define IFC_NOR_ERATTR0_ERCS_CS1        0x00000010
#define IFC_NOR_ERATTR0_ERCS_CS2        0x00000020
#define IFC_NOR_ERATTR0_ERCS_CS3        0x00000030
/* Type of transaction read/write */
#define IFC_NOR_ERATTR0_ERTYPE_READ     0x00000001

/*
 * NOR Transfer Error Attribute Register-2 (NOR_ERATTR2)
 */
#define IFC_NOR_ERATTR2_ER_NUM_PHASE_EXP        0x000F0000
#define IFC_NOR_ERATTR2_ER_NUM_PHASE_PER        0x00000F00

/*
 * NOR Control Register (NORCR)
 */
#define IFC_NORCR_MASK                  0x0F0F0000
/* No. of Address/Data Phase */
#define IFC_NORCR_NUM_PHASE_MASK        0x0F000000
#define IFC_NORCR_NUM_PHASE_SHIFT       24
#define IFC_NORCR_NUM_PHASE(n)  ((n-1) << IFC_NORCR_NUM_PHASE_SHIFT)
/* Sequence Timeout Count */
#define IFC_NORCR_STOCNT_MASK           0x000F0000
#define IFC_NORCR_STOCNT_SHIFT          16
#define IFC_NORCR_STOCNT(n)     ((__ilog2(n) - 8) << IFC_NORCR_STOCNT_SHIFT)

/*
 * GPCM Machine specific registers
 */
/*
 * GPCM Event and Error Status Register (GPCM_EVTER_STAT)
 */
/* Timeout error */
#define IFC_GPCM_EVTER_STAT_TOER        0x04000000
/* Parity error */
#define IFC_GPCM_EVTER_STAT_PER         0x01000000

/*
 * GPCM Event and Error Enable Register (GPCM_EVTER_EN)
 */
/* Timeout error enable */
#define IFC_GPCM_EVTER_EN_TOER_EN       0x04000000
/* Parity error enable */
#define IFC_GPCM_EVTER_EN_PER_EN        0x01000000

/*
 * GPCM Event and Error Interrupt Enable Register (GPCM_EVTER_INTR_EN)
 */
/* Enable Interrupt for timeout error */
#define IFC_GPCM_EEIER_TOERIR_EN        0x04000000
/* Enable Interrupt for Parity error */
#define IFC_GPCM_EEIER_PERIR_EN         0x01000000

/*
 * GPCM Transfer Error Attribute Register-0 (GPCM_ERATTR0)
 */
/* Source ID for error transaction */
#define IFC_GPCM_ERATTR0_ERSRCID        0xFF000000
/* AXI ID for error transaction */
#define IFC_GPCM_ERATTR0_ERAID          0x000FF000
/* Chip select corresponds to GPCM error */
#define IFC_GPCM_ERATTR0_ERCS_CS0       0x00000000
#define IFC_GPCM_ERATTR0_ERCS_CS1       0x00000040
#define IFC_GPCM_ERATTR0_ERCS_CS2       0x00000080
#define IFC_GPCM_ERATTR0_ERCS_CS3       0x000000C0
/* Type of transaction read/Write */
#define IFC_GPCM_ERATTR0_ERTYPE_READ    0x00000001

/*
 * GPCM Transfer Error Attribute Register-2 (GPCM_ERATTR2)
 */
/* On which beat of address/data parity error is observed */
#define IFC_GPCM_ERATTR2_PERR_BEAT              0x00000C00
/* Parity Error on byte */
#define IFC_GPCM_ERATTR2_PERR_BYTE              0x000000F0
/* Parity Error reported in addr or data phase */
#define IFC_GPCM_ERATTR2_PERR_DATA_PHASE        0x00000001

/*
 * GPCM Status Register (GPCM_STAT)
 */
#define IFC_GPCM_STAT_BSY               0x80000000  /* GPCM is busy */

/*
 * IFC Controller NAND Machine registers
 */
struct fsl_ifc_nand {
        __be32 ncfgr;
        u32 res1[0x4];
        __be32 nand_fcr0;
        __be32 nand_fcr1;
        u32 res2[0x8];
        __be32 row0;
        u32 res3;
        __be32 col0;
        u32 res4;
        __be32 row1;
        u32 res5;
        __be32 col1;
        u32 res6;
        __be32 row2;
        u32 res7;
        __be32 col2;
        u32 res8;
        __be32 row3;
        u32 res9;
        __be32 col3;
        u32 res10[0x24];
        __be32 nand_fbcr;
        u32 res11;
        __be32 nand_fir0;
        __be32 nand_fir1;
        __be32 nand_fir2;
        u32 res12[0x10];
        __be32 nand_csel;
        u32 res13;
        __be32 nandseq_strt;
        u32 res14;
        __be32 nand_evter_stat;
        u32 res15;
        __be32 pgrdcmpl_evt_stat;
        u32 res16[0x2];
        __be32 nand_evter_en;
        u32 res17[0x2];
        __be32 nand_evter_intr_en;
        __be32 nand_vol_addr_stat;
        u32 res18;
        __be32 nand_erattr0;
        __be32 nand_erattr1;
        u32 res19[0x10];
        __be32 nand_fsr;
        u32 res20;
        __be32 nand_eccstat[8];
        u32 res21[0x1c];
        __be32 nanndcr;
        u32 res22[0x2];
        __be32 nand_autoboot_trgr;
        u32 res23;
        __be32 nand_mdr;
        u32 res24[0x1C];
        __be32 nand_dll_lowcfg0;
        __be32 nand_dll_lowcfg1;
        u32 res25;
        __be32 nand_dll_lowstat;
        u32 res26[0x3c];
};

/*
 * IFC controller NOR Machine registers
 */
struct fsl_ifc_nor {
        __be32 nor_evter_stat;
        u32 res1[0x2];
        __be32 nor_evter_en;
        u32 res2[0x2];
        __be32 nor_evter_intr_en;
        u32 res3[0x2];
        __be32 nor_erattr0;
        __be32 nor_erattr1;
        __be32 nor_erattr2;
        u32 res4[0x4];
        __be32 norcr;
        u32 res5[0xEF];
};

/*
 * IFC controller GPCM Machine registers
 */
struct fsl_ifc_gpcm {
        __be32 gpcm_evter_stat;
        u32 res1[0x2];
        __be32 gpcm_evter_en;
        u32 res2[0x2];
        __be32 gpcm_evter_intr_en;
        u32 res3[0x2];
        __be32 gpcm_erattr0;
        __be32 gpcm_erattr1;
        __be32 gpcm_erattr2;
        __be32 gpcm_stat;
};

/*
 * IFC Controller Registers
 */
struct fsl_ifc_global {
        __be32 ifc_rev;
        u32 res1[0x2];
        struct {
                __be32 cspr_ext;
                __be32 cspr;
                u32 res2;
        } cspr_cs[FSL_IFC_BANK_COUNT];
        u32 res3[0xd];
        struct {
                __be32 amask;
                u32 res4[0x2];
        } amask_cs[FSL_IFC_BANK_COUNT];
        u32 res5[0xc];
        struct {
                __be32 csor;
                __be32 csor_ext;
                u32 res6;
        } csor_cs[FSL_IFC_BANK_COUNT];
        u32 res7[0xc];
        struct {
                __be32 ftim[4];
                u32 res8[0x8];
        } ftim_cs[FSL_IFC_BANK_COUNT];
        u32 res9[0x30];
        __be32 rb_stat;
        __be32 rb_map;
        __be32 wb_map;
        __be32 ifc_gcr;
        u32 res10[0x2];
        __be32 cm_evter_stat;
        u32 res11[0x2];
        __be32 cm_evter_en;
        u32 res12[0x2];
        __be32 cm_evter_intr_en;
        u32 res13[0x2];
        __be32 cm_erattr0;
        __be32 cm_erattr1;
        u32 res14[0x2];
        __be32 ifc_ccr;
        __be32 ifc_csr;
        __be32 ddr_ccr_low;
};


struct fsl_ifc_runtime {
        struct fsl_ifc_nand ifc_nand;
        struct fsl_ifc_nor ifc_nor;
        struct fsl_ifc_gpcm ifc_gpcm;
};

extern unsigned int convert_ifc_address(phys_addr_t addr_base);
extern int fsl_ifc_find(phys_addr_t addr_base);

/* overview of the fsl ifc controller */

struct fsl_ifc_ctrl {
        /* device info */
        struct device                   *dev;
        struct fsl_ifc_global __iomem   *gregs;
        struct fsl_ifc_runtime __iomem  *rregs;
        int                             irq;
        int                             nand_irq;
        spinlock_t                      lock;
        void                            *nand;
        int                             version;
        int                             banks;

        u32 nand_stat;
        wait_queue_head_t nand_wait;
        bool little_endian;
};

extern struct fsl_ifc_ctrl *fsl_ifc_ctrl_dev;

static inline u32 ifc_in32(void __iomem *addr)
{
        u32 val;

        if (fsl_ifc_ctrl_dev->little_endian)
                val = ioread32(addr);
        else
                val = ioread32be(addr);

        return val;
}

static inline u16 ifc_in16(void __iomem *addr)
{
        u16 val;

        if (fsl_ifc_ctrl_dev->little_endian)
                val = ioread16(addr);
        else
                val = ioread16be(addr);

        return val;
}

static inline u8 ifc_in8(void __iomem *addr)
{
        return ioread8(addr);
}

static inline void ifc_out32(u32 val, void __iomem *addr)
{
        if (fsl_ifc_ctrl_dev->little_endian)
                iowrite32(val, addr);
        else
                iowrite32be(val, addr);
}

static inline void ifc_out16(u16 val, void __iomem *addr)
{
        if (fsl_ifc_ctrl_dev->little_endian)
                iowrite16(val, addr);
        else
                iowrite16be(val, addr);
}

static inline void ifc_out8(u8 val, void __iomem *addr)
{
        iowrite8(val, addr);
}

#endif /* __ASM_FSL_IFC_H */