[deliverable/linux.git] / arch / powerpc / include / asm / fsl_lbc.h

/* Freescale Local Bus Controller
 *
 * Copyright © 2006-2007, 2010 Freescale Semiconductor
 *
 * Authors: Nick Spence <nick.spence@freescale.com>,
 *          Scott Wood <scottwood@freescale.com>
 *          Jack Lan <jack.lan@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_LBC_H
#define __ASM_FSL_LBC_H

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

struct fsl_lbc_bank {
	__be32 br;             /**< Base Register  */
#define BR_BA           0xFFFF8000
#define BR_BA_SHIFT             15
#define BR_PS           0x00001800
#define BR_PS_SHIFT             11
#define BR_PS_8         0x00000800  /* Port Size 8 bit */
#define BR_PS_16        0x00001000  /* Port Size 16 bit */
#define BR_PS_32        0x00001800  /* Port Size 32 bit */
#define BR_DECC         0x00000600
#define BR_DECC_SHIFT            9
#define BR_DECC_OFF     0x00000000  /* HW ECC checking and generation off */
#define BR_DECC_CHK     0x00000200  /* HW ECC checking on, generation off */
#define BR_DECC_CHK_GEN 0x00000400  /* HW ECC checking and generation on */
#define BR_WP           0x00000100
#define BR_WP_SHIFT              8
#define BR_MSEL         0x000000E0
#define BR_MSEL_SHIFT            5
#define BR_MS_GPCM      0x00000000  /* GPCM */
#define BR_MS_FCM       0x00000020  /* FCM */
#define BR_MS_SDRAM     0x00000060  /* SDRAM */
#define BR_MS_UPMA      0x00000080  /* UPMA */
#define BR_MS_UPMB      0x000000A0  /* UPMB */
#define BR_MS_UPMC      0x000000C0  /* UPMC */
#define BR_V            0x00000001
#define BR_V_SHIFT               0
#define BR_RES          ~(BR_BA|BR_PS|BR_DECC|BR_WP|BR_MSEL|BR_V)

	__be32 or;             /**< Base Register  */
#define OR0 0x5004
#define OR1 0x500C
#define OR2 0x5014
#define OR3 0x501C
#define OR4 0x5024
#define OR5 0x502C
#define OR6 0x5034
#define OR7 0x503C

#define OR_FCM_AM               0xFFFF8000
#define OR_FCM_AM_SHIFT                 15
#define OR_FCM_BCTLD            0x00001000
#define OR_FCM_BCTLD_SHIFT              12
#define OR_FCM_PGS              0x00000400
#define OR_FCM_PGS_SHIFT                10
#define OR_FCM_CSCT             0x00000200
#define OR_FCM_CSCT_SHIFT                9
#define OR_FCM_CST              0x00000100
#define OR_FCM_CST_SHIFT                 8
#define OR_FCM_CHT              0x00000080
#define OR_FCM_CHT_SHIFT                 7
#define OR_FCM_SCY              0x00000070
#define OR_FCM_SCY_SHIFT                 4
#define OR_FCM_SCY_1            0x00000010
#define OR_FCM_SCY_2            0x00000020
#define OR_FCM_SCY_3            0x00000030
#define OR_FCM_SCY_4            0x00000040
#define OR_FCM_SCY_5            0x00000050
#define OR_FCM_SCY_6            0x00000060
#define OR_FCM_SCY_7            0x00000070
#define OR_FCM_RST              0x00000008
#define OR_FCM_RST_SHIFT                 3
#define OR_FCM_TRLX             0x00000004
#define OR_FCM_TRLX_SHIFT                2
#define OR_FCM_EHTR             0x00000002
#define OR_FCM_EHTR_SHIFT                1

#define OR_GPCM_AM		0xFFFF8000
#define OR_GPCM_AM_SHIFT		15
};

struct fsl_lbc_regs {
	struct fsl_lbc_bank bank[12];
	u8 res0[0x8];
	__be32 mar;             /**< UPM Address Register */
	u8 res1[0x4];
	__be32 mamr;            /**< UPMA Mode Register */
#define MxMR_OP_NO	(0 << 28) /**< normal operation */
#define MxMR_OP_WA	(1 << 28) /**< write array */
#define MxMR_OP_RA	(2 << 28) /**< read array */
#define MxMR_OP_RP	(3 << 28) /**< run pattern */
#define MxMR_MAD	0x3f      /**< machine address */
	__be32 mbmr;            /**< UPMB Mode Register */
	__be32 mcmr;            /**< UPMC Mode Register */
	u8 res2[0x8];
	__be32 mrtpr;           /**< Memory Refresh Timer Prescaler Register */
	__be32 mdr;             /**< UPM Data Register */
	u8 res3[0x4];
	__be32 lsor;            /**< Special Operation Initiation Register */
	__be32 lsdmr;           /**< SDRAM Mode Register */
	u8 res4[0x8];
	__be32 lurt;            /**< UPM Refresh Timer */
	__be32 lsrt;            /**< SDRAM Refresh Timer */
	u8 res5[0x8];
	__be32 ltesr;           /**< Transfer Error Status Register */
#define LTESR_BM   0x80000000
#define LTESR_FCT  0x40000000
#define LTESR_PAR  0x20000000
#define LTESR_WP   0x04000000
#define LTESR_ATMW 0x00800000
#define LTESR_ATMR 0x00400000
#define LTESR_CS   0x00080000
#define LTESR_UPM  0x00000002
#define LTESR_CC   0x00000001
#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
#define LTESR_MASK      (LTESR_BM | LTESR_FCT | LTESR_PAR | LTESR_WP \
			 | LTESR_ATMW | LTESR_ATMR | LTESR_CS | LTESR_UPM \
			 | LTESR_CC)
#define LTESR_CLEAR	0xFFFFFFFF
#define LTECCR_CLEAR	0xFFFFFFFF
#define LTESR_STATUS	LTESR_MASK
#define LTEIR_ENABLE	LTESR_MASK
#define LTEDR_ENABLE	0x00000000
	__be32 ltedr;           /**< Transfer Error Disable Register */
	__be32 lteir;           /**< Transfer Error Interrupt Register */
	__be32 lteatr;          /**< Transfer Error Attributes Register */
	__be32 ltear;           /**< Transfer Error Address Register */
	__be32 lteccr;          /**< Transfer Error ECC Register */
	u8 res6[0x8];
	__be32 lbcr;            /**< Configuration Register */
#define LBCR_LDIS  0x80000000
#define LBCR_LDIS_SHIFT    31
#define LBCR_BCTLC 0x00C00000
#define LBCR_BCTLC_SHIFT   22
#define LBCR_AHD   0x00200000
#define LBCR_LPBSE 0x00020000
#define LBCR_LPBSE_SHIFT   17
#define LBCR_EPAR  0x00010000
#define LBCR_EPAR_SHIFT    16
#define LBCR_BMT   0x0000FF00
#define LBCR_BMT_SHIFT      8
#define LBCR_BMTPS 0x0000000F
#define LBCR_BMTPS_SHIFT    0
#define LBCR_INIT  0x00040000
	__be32 lcrr;            /**< Clock Ratio Register */
#define LCRR_DBYP    0x80000000
#define LCRR_DBYP_SHIFT      31
#define LCRR_BUFCMDC 0x30000000
#define LCRR_BUFCMDC_SHIFT   28
#define LCRR_ECL     0x03000000
#define LCRR_ECL_SHIFT       24
#define LCRR_EADC    0x00030000
#define LCRR_EADC_SHIFT      16
#define LCRR_CLKDIV  0x0000000F
#define LCRR_CLKDIV_SHIFT     0
	u8 res7[0x8];
	__be32 fmr;             /**< Flash Mode Register */
#define FMR_CWTO     0x0000F000
#define FMR_CWTO_SHIFT       12
#define FMR_BOOT     0x00000800
#define FMR_ECCM     0x00000100
#define FMR_AL       0x00000030
#define FMR_AL_SHIFT          4
#define FMR_OP       0x00000003
#define FMR_OP_SHIFT          0
	__be32 fir;             /**< Flash Instruction Register */
#define FIR_OP0      0xF0000000
#define FIR_OP0_SHIFT        28
#define FIR_OP1      0x0F000000
#define FIR_OP1_SHIFT        24
#define FIR_OP2      0x00F00000
#define FIR_OP2_SHIFT        20
#define FIR_OP3      0x000F0000
#define FIR_OP3_SHIFT        16
#define FIR_OP4      0x0000F000
#define FIR_OP4_SHIFT        12
#define FIR_OP5      0x00000F00
#define FIR_OP5_SHIFT         8
#define FIR_OP6      0x000000F0
#define FIR_OP6_SHIFT         4
#define FIR_OP7      0x0000000F
#define FIR_OP7_SHIFT         0
#define FIR_OP_NOP   0x0	/* No operation and end of sequence */
#define FIR_OP_CA    0x1        /* Issue current column address */
#define FIR_OP_PA    0x2        /* Issue current block+page address */
#define FIR_OP_UA    0x3        /* Issue user defined address */
#define FIR_OP_CM0   0x4        /* Issue command from FCR[CMD0] */
#define FIR_OP_CM1   0x5        /* Issue command from FCR[CMD1] */
#define FIR_OP_CM2   0x6        /* Issue command from FCR[CMD2] */
#define FIR_OP_CM3   0x7        /* Issue command from FCR[CMD3] */
#define FIR_OP_WB    0x8        /* Write FBCR bytes from FCM buffer */
#define FIR_OP_WS    0x9        /* Write 1 or 2 bytes from MDR[AS] */
#define FIR_OP_RB    0xA        /* Read FBCR bytes to FCM buffer */
#define FIR_OP_RS    0xB        /* Read 1 or 2 bytes to MDR[AS] */
#define FIR_OP_CW0   0xC        /* Wait then issue FCR[CMD0] */
#define FIR_OP_CW1   0xD        /* Wait then issue FCR[CMD1] */
#define FIR_OP_RBW   0xE        /* Wait then read FBCR bytes */
#define FIR_OP_RSW   0xE        /* Wait then read 1 or 2 bytes */
	__be32 fcr;             /**< Flash Command Register */
#define FCR_CMD0     0xFF000000
#define FCR_CMD0_SHIFT       24
#define FCR_CMD1     0x00FF0000
#define FCR_CMD1_SHIFT       16
#define FCR_CMD2     0x0000FF00
#define FCR_CMD2_SHIFT        8
#define FCR_CMD3     0x000000FF
#define FCR_CMD3_SHIFT        0
	__be32 fbar;            /**< Flash Block Address Register */
#define FBAR_BLK     0x00FFFFFF
	__be32 fpar;            /**< Flash Page Address Register */
#define FPAR_SP_PI   0x00007C00
#define FPAR_SP_PI_SHIFT     10
#define FPAR_SP_MS   0x00000200
#define FPAR_SP_CI   0x000001FF
#define FPAR_SP_CI_SHIFT      0
#define FPAR_LP_PI   0x0003F000
#define FPAR_LP_PI_SHIFT     12
#define FPAR_LP_MS   0x00000800
#define FPAR_LP_CI   0x000007FF
#define FPAR_LP_CI_SHIFT      0
	__be32 fbcr;            /**< Flash Byte Count Register */
#define FBCR_BC      0x00000FFF
};

/*
 * FSL UPM routines
 */
struct fsl_upm {
	__be32 __iomem *mxmr;
	int width;
};

extern u32 fsl_lbc_addr(phys_addr_t addr_base);
extern int fsl_lbc_find(phys_addr_t addr_base);
extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);

/**
 * fsl_upm_start_pattern - start UPM patterns execution
 * @upm:	pointer to the fsl_upm structure obtained via fsl_upm_find
 * @pat_offset:	UPM pattern offset for the command to be executed
 *
 * This routine programmes UPM so the next memory access that hits an UPM
 * will trigger pattern execution, starting at pat_offset.
 */
static inline void fsl_upm_start_pattern(struct fsl_upm *upm, u8 pat_offset)
{
	clrsetbits_be32(upm->mxmr, MxMR_MAD, MxMR_OP_RP | pat_offset);
}

/**
 * fsl_upm_end_pattern - end UPM patterns execution
 * @upm:	pointer to the fsl_upm structure obtained via fsl_upm_find
 *
 * This routine reverts UPM to normal operation mode.
 */
static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
{
	clrbits32(upm->mxmr, MxMR_OP_RP);

	while (in_be32(upm->mxmr) & MxMR_OP_RP)
		cpu_relax();
}

/* overview of the fsl lbc controller */

struct fsl_lbc_ctrl {
	/* device info */
	struct device			*dev;
	struct fsl_lbc_regs __iomem	*regs;
	int				irq[2];
	wait_queue_head_t		irq_wait;
	spinlock_t			lock;
	void				*nand;

	/* status read from LTESR by irq handler */
	unsigned int			irq_status;

#ifdef CONFIG_SUSPEND
	/* save regs when system go to deep-sleep */
	struct fsl_lbc_regs		*saved_regs;
#endif
};

extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base,
			       u32 mar);
extern struct fsl_lbc_ctrl *fsl_lbc_ctrl_dev;

#endif /* __ASM_FSL_LBC_H */
Commit	Line	Data
d4a32fe4 AV	1	/* Freescale Local Bus Controller
d4a32fe4 AV	2	*
3ab8f2a2	3	* Copyright © 2006-2007, 2010 Freescale Semiconductor
d4a32fe4 AV	4	*
	5	* Authors: Nick Spence <nick.spence@freescale.com>,
	6	* Scott Wood <scottwood@freescale.com>
3ab8f2a2	7	* Jack Lan <jack.lan@freescale.com>
d4a32fe4 AV	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	22	*/
	23
	24	#ifndef __ASM_FSL_LBC_H
	25	#define __ASM_FSL_LBC_H
	26
c0da99d5	27	#include <linux/compiler.h>
d4a32fe4	28	#include <linux/types.h>
c0da99d5	29	#include <linux/io.h>
3ab8f2a2 RZ	30	#include <linux/device.h>
3ab8f2a2 RZ	31	#include <linux/spinlock.h>
d4a32fe4 AV	32
	33	struct fsl_lbc_bank {
	34	__be32 br; /*< Base Register /
	35	#define BR_BA 0xFFFF8000
	36	#define BR_BA_SHIFT 15
	37	#define BR_PS 0x00001800
	38	#define BR_PS_SHIFT 11
	39	#define BR_PS_8 0x00000800 /* Port Size 8 bit */
	40	#define BR_PS_16 0x00001000 /* Port Size 16 bit */
	41	#define BR_PS_32 0x00001800 /* Port Size 32 bit */
	42	#define BR_DECC 0x00000600
	43	#define BR_DECC_SHIFT 9
	44	#define BR_DECC_OFF 0x00000000 /* HW ECC checking and generation off */
	45	#define BR_DECC_CHK 0x00000200 /* HW ECC checking on, generation off */
	46	#define BR_DECC_CHK_GEN 0x00000400 /* HW ECC checking and generation on */
	47	#define BR_WP 0x00000100
	48	#define BR_WP_SHIFT 8
	49	#define BR_MSEL 0x000000E0
	50	#define BR_MSEL_SHIFT 5
	51	#define BR_MS_GPCM 0x00000000 /* GPCM */
	52	#define BR_MS_FCM 0x00000020 /* FCM */
	53	#define BR_MS_SDRAM 0x00000060 /* SDRAM */
	54	#define BR_MS_UPMA 0x00000080 /* UPMA */
	55	#define BR_MS_UPMB 0x000000A0 /* UPMB */
	56	#define BR_MS_UPMC 0x000000C0 /* UPMC */
	57	#define BR_V 0x00000001
	58	#define BR_V_SHIFT 0
	59	#define BR_RES ~(BR_BA\|BR_PS\|BR_DECC\|BR_WP\|BR_MSEL\|BR_V)
	60
	61	__be32 or; /*< Base Register /
	62	#define OR0 0x5004
	63	#define OR1 0x500C
	64	#define OR2 0x5014
	65	#define OR3 0x501C
	66	#define OR4 0x5024
	67	#define OR5 0x502C
	68	#define OR6 0x5034
	69	#define OR7 0x503C
	70
	71	#define OR_FCM_AM 0xFFFF8000
	72	#define OR_FCM_AM_SHIFT 15
	73	#define OR_FCM_BCTLD 0x00001000
	74	#define OR_FCM_BCTLD_SHIFT 12
	75	#define OR_FCM_PGS 0x00000400
	76	#define OR_FCM_PGS_SHIFT 10
	77	#define OR_FCM_CSCT 0x00000200
	78	#define OR_FCM_CSCT_SHIFT 9
	79	#define OR_FCM_CST 0x00000100
	80	#define OR_FCM_CST_SHIFT 8
	81	#define OR_FCM_CHT 0x00000080
	82	#define OR_FCM_CHT_SHIFT 7
	83	#define OR_FCM_SCY 0x00000070
	84	#define OR_FCM_SCY_SHIFT 4
	85	#define OR_FCM_SCY_1 0x00000010
	86	#define OR_FCM_SCY_2 0x00000020
	87	#define OR_FCM_SCY_3 0x00000030
	88	#define OR_FCM_SCY_4 0x00000040
	89	#define OR_FCM_SCY_5 0x00000050
	90	#define OR_FCM_SCY_6 0x00000060
	91	#define OR_FCM_SCY_7 0x00000070
	92	#define OR_FCM_RST 0x00000008
	93	#define OR_FCM_RST_SHIFT 3
	94	#define OR_FCM_TRLX 0x00000004
	95	#define OR_FCM_TRLX_SHIFT 2
96	#define OR_FCM_EHTR 0x00000002
97	#define OR_FCM_EHTR_SHIFT 1
fbc4a8a8 JO	98
	99	#define OR_GPCM_AM 0xFFFF8000
	100	#define OR_GPCM_AM_SHIFT 15
d4a32fe4 AV	101	};
	102
	103	struct fsl_lbc_regs {
e86b4998	104	struct fsl_lbc_bank bank[12];
e86b4998	105	u8 res0[0x8];
d4a32fe4 AV	106	__be32 mar; /*< UPM Address Register /
	107	u8 res1[0x4];
	108	__be32 mamr; /*< UPMA Mode Register /
acaa7aa3 AV	109	#define MxMR_OP_NO (0 << 28) /*< normal operation /
	110	#define MxMR_OP_WA (1 << 28) /*< write array /
	111	#define MxMR_OP_RA (2 << 28) /*< read array /
	112	#define MxMR_OP_RP (3 << 28) /*< run pattern /
	113	#define MxMR_MAD 0x3f /*< machine address /
d4a32fe4 AV	114	__be32 mbmr; /*< UPMB Mode Register /
	115	__be32 mcmr; /*< UPMC Mode Register /
	116	u8 res2[0x8];
	117	__be32 mrtpr; /*< Memory Refresh Timer Prescaler Register /
	118	__be32 mdr; /*< UPM Data Register /
	119	u8 res3[0x4];
	120	__be32 lsor; /*< Special Operation Initiation Register /
	121	__be32 lsdmr; /*< SDRAM Mode Register /
	122	u8 res4[0x8];
	123	__be32 lurt; /*< UPM Refresh Timer /
	124	__be32 lsrt; /*< SDRAM Refresh Timer /
	125	u8 res5[0x8];
	126	__be32 ltesr; /*< Transfer Error Status Register /
	127	#define LTESR_BM 0x80000000
	128	#define LTESR_FCT 0x40000000
	129	#define LTESR_PAR 0x20000000
	130	#define LTESR_WP 0x04000000
	131	#define LTESR_ATMW 0x00800000
	132	#define LTESR_ATMR 0x00400000
	133	#define LTESR_CS 0x00080000
3ab8f2a2	134	#define LTESR_UPM 0x00000002
d4a32fe4 AV	135	#define LTESR_CC 0x00000001
d4a32fe4 AV	136	#define LTESR_NAND_MASK (LTESR_FCT \| LTESR_PAR \| LTESR_CC)
3ab8f2a2 RZ	137	#define LTESR_MASK (LTESR_BM \| LTESR_FCT \| LTESR_PAR \| LTESR_WP \
	138	\| LTESR_ATMW \| LTESR_ATMR \| LTESR_CS \| LTESR_UPM \
	139	\| LTESR_CC)
	140	#define LTESR_CLEAR 0xFFFFFFFF
	141	#define LTECCR_CLEAR 0xFFFFFFFF
	142	#define LTESR_STATUS LTESR_MASK
	143	#define LTEIR_ENABLE LTESR_MASK
	144	#define LTEDR_ENABLE 0x00000000
d4a32fe4 AV	145	__be32 ltedr; /*< Transfer Error Disable Register /
	146	__be32 lteir; /*< Transfer Error Interrupt Register /
	147	__be32 lteatr; /*< Transfer Error Attributes Register /
	148	__be32 ltear; /*< Transfer Error Address Register /
3ab8f2a2 RZ	149	__be32 lteccr; /*< Transfer Error ECC Register /
3ab8f2a2 RZ	150	u8 res6[0x8];
d4a32fe4 AV	151	__be32 lbcr; /*< Configuration Register /
	152	#define LBCR_LDIS 0x80000000
	153	#define LBCR_LDIS_SHIFT 31
	154	#define LBCR_BCTLC 0x00C00000
	155	#define LBCR_BCTLC_SHIFT 22
	156	#define LBCR_AHD 0x00200000
	157	#define LBCR_LPBSE 0x00020000
	158	#define LBCR_LPBSE_SHIFT 17
	159	#define LBCR_EPAR 0x00010000
	160	#define LBCR_EPAR_SHIFT 16
	161	#define LBCR_BMT 0x0000FF00
	162	#define LBCR_BMT_SHIFT 8
d08e4457 SL	163	#define LBCR_BMTPS 0x0000000F
d08e4457 SL	164	#define LBCR_BMTPS_SHIFT 0
d4a32fe4 AV	165	#define LBCR_INIT 0x00040000
	166	__be32 lcrr; /*< Clock Ratio Register /
	167	#define LCRR_DBYP 0x80000000
	168	#define LCRR_DBYP_SHIFT 31
	169	#define LCRR_BUFCMDC 0x30000000
	170	#define LCRR_BUFCMDC_SHIFT 28
	171	#define LCRR_ECL 0x03000000
	172	#define LCRR_ECL_SHIFT 24
	173	#define LCRR_EADC 0x00030000
	174	#define LCRR_EADC_SHIFT 16
	175	#define LCRR_CLKDIV 0x0000000F
	176	#define LCRR_CLKDIV_SHIFT 0
	177	u8 res7[0x8];
	178	__be32 fmr; /*< Flash Mode Register /
	179	#define FMR_CWTO 0x0000F000
	180	#define FMR_CWTO_SHIFT 12
	181	#define FMR_BOOT 0x00000800
	182	#define FMR_ECCM 0x00000100
	183	#define FMR_AL 0x00000030
	184	#define FMR_AL_SHIFT 4
	185	#define FMR_OP 0x00000003
	186	#define FMR_OP_SHIFT 0
	187	__be32 fir; /*< Flash Instruction Register /
	188	#define FIR_OP0 0xF0000000
	189	#define FIR_OP0_SHIFT 28
	190	#define FIR_OP1 0x0F000000
	191	#define FIR_OP1_SHIFT 24
	192	#define FIR_OP2 0x00F00000
	193	#define FIR_OP2_SHIFT 20
	194	#define FIR_OP3 0x000F0000
	195	#define FIR_OP3_SHIFT 16
	196	#define FIR_OP4 0x0000F000
	197	#define FIR_OP4_SHIFT 12
	198	#define FIR_OP5 0x00000F00
	199	#define FIR_OP5_SHIFT 8
	200	#define FIR_OP6 0x000000F0
	201	#define FIR_OP6_SHIFT 4
	202	#define FIR_OP7 0x0000000F
	203	#define FIR_OP7_SHIFT 0
	204	#define FIR_OP_NOP 0x0 /* No operation and end of sequence */
	205	#define FIR_OP_CA 0x1 /* Issue current column address */
	206	#define FIR_OP_PA 0x2 /* Issue current block+page address */
	207	#define FIR_OP_UA 0x3 /* Issue user defined address */
	208	#define FIR_OP_CM0 0x4 /* Issue command from FCR[CMD0] */
	209	#define FIR_OP_CM1 0x5 /* Issue command from FCR[CMD1] */
	210	#define FIR_OP_CM2 0x6 /* Issue command from FCR[CMD2] */
	211	#define FIR_OP_CM3 0x7 /* Issue command from FCR[CMD3] */
	212	#define FIR_OP_WB 0x8 /* Write FBCR bytes from FCM buffer */
	213	#define FIR_OP_WS 0x9 /* Write 1 or 2 bytes from MDR[AS] */
	214	#define FIR_OP_RB 0xA /* Read FBCR bytes to FCM buffer */
	215	#define FIR_OP_RS 0xB /* Read 1 or 2 bytes to MDR[AS] */
	216	#define FIR_OP_CW0 0xC /* Wait then issue FCR[CMD0] */
	217	#define FIR_OP_CW1 0xD /* Wait then issue FCR[CMD1] */
	218	#define FIR_OP_RBW 0xE /* Wait then read FBCR bytes */
	219	#define FIR_OP_RSW 0xE /* Wait then read 1 or 2 bytes */
	220	__be32 fcr; /*< Flash Command Register /
	221	#define FCR_CMD0 0xFF000000
	222	#define FCR_CMD0_SHIFT 24
	223	#define FCR_CMD1 0x00FF0000
	224	#define FCR_CMD1_SHIFT 16
	225	#define FCR_CMD2 0x0000FF00
	226	#define FCR_CMD2_SHIFT 8
	227	#define FCR_CMD3 0x000000FF
	228	#define FCR_CMD3_SHIFT 0
229	__be32 fbar; /*< Flash Block Address Register /
230	#define FBAR_BLK 0x00FFFFFF
231	__be32 fpar; /*< Flash Page Address Register /
232	#define FPAR_SP_PI 0x00007C00
233	#define FPAR_SP_PI_SHIFT 10
234	#define FPAR_SP_MS 0x00000200
235	#define FPAR_SP_CI 0x000001FF
236	#define FPAR_SP_CI_SHIFT 0
237	#define FPAR_LP_PI 0x0003F000
238	#define FPAR_LP_PI_SHIFT 12
239	#define FPAR_LP_MS 0x00000800
240	#define FPAR_LP_CI 0x000007FF
241	#define FPAR_LP_CI_SHIFT 0
242	__be32 fbcr; /*< Flash Byte Count Register /
243	#define FBCR_BC 0x00000FFF
d4a32fe4 AV	244	};
d4a32fe4 AV	245
acaa7aa3 AV	246	/*
	247	* FSL UPM routines
	248	*/
	249	struct fsl_upm {
	250	__be32 __iomem *mxmr;
	251	int width;
	252	};
	253
0b824d2b	254	extern u32 fsl_lbc_addr(phys_addr_t addr_base);
acaa7aa3 AV	255	extern int fsl_lbc_find(phys_addr_t addr_base);
	256	extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);
	257
	258	/**
	259	* fsl_upm_start_pattern - start UPM patterns execution
	260	* @upm: pointer to the fsl_upm structure obtained via fsl_upm_find
	261	* @pat_offset: UPM pattern offset for the command to be executed
	262	*
	263	* This routine programmes UPM so the next memory access that hits an UPM
	264	* will trigger pattern execution, starting at pat_offset.
	265	*/
	266	static inline void fsl_upm_start_pattern(struct fsl_upm *upm, u8 pat_offset)
	267	{
	268	clrsetbits_be32(upm->mxmr, MxMR_MAD, MxMR_OP_RP \| pat_offset);
	269	}
	270
	271	/**
	272	* fsl_upm_end_pattern - end UPM patterns execution
	273	* @upm: pointer to the fsl_upm structure obtained via fsl_upm_find
	274	*
	275	* This routine reverts UPM to normal operation mode.
	276	*/
	277	static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
	278	{
	279	clrbits32(upm->mxmr, MxMR_OP_RP);
	280
	281	while (in_be32(upm->mxmr) & MxMR_OP_RP)
	282	cpu_relax();
	283	}
	284
3ab8f2a2 RZ	285	/* overview of the fsl lbc controller */
	286
	287	struct fsl_lbc_ctrl {
	288	/* device info */
	289	struct device *dev;
	290	struct fsl_lbc_regs __iomem *regs;
a655f724	291	int irq[2];
3ab8f2a2 RZ	292	wait_queue_head_t irq_wait;
	293	spinlock_t lock;
	294	void *nand;
	295
	296	/* status read from LTESR by irq handler */
	297	unsigned int irq_status;
09cef8bd JH	298
	299	#ifdef CONFIG_SUSPEND
	300	/* save regs when system go to deep-sleep */
	301	struct fsl_lbc_regs *saved_regs;
	302	#endif
3ab8f2a2 RZ	303	};
3ab8f2a2 RZ	304
c0da99d5 AV	305	extern int fsl_upm_run_pattern(struct fsl_upm upm, void __iomem io_base,
c0da99d5 AV	306	u32 mar);
3ab8f2a2	307	extern struct fsl_lbc_ctrl *fsl_lbc_ctrl_dev;
acaa7aa3	308
d4a32fe4	309	#endif /* __ASM_FSL_LBC_H */