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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2010-2011 Freescale Semiconductor, Inc.
* Author: Dipen Dudhat <dipen.dudhat@freescale.com>
*
*/
#ifndef __FSL_IFC_H
#define __FSL_IFC_H
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/log2.h>
/* Big-Endian */
#define ifc_in32(a) ioread32be(a)
#define ifc_out32(a, v) iowrite32be(v, a)
#define ifc_in16(a) ioread16be(a)
#define ifc_out16(a, v) iowrite16be(v, a)
/*
* 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
#define CSPR_PORT_SIZE_8 0x00000080
#define CSPR_PORT_SIZE_16 0x00000100
#define CSPR_PORT_SIZE_32 0x00000180
/* Write Protect */
#define CSPR_WP 0x00000040
#define CSPR_WP_SHIFT 6
#define CSPR_MSEL 0x00000006
#define CSPR_MSEL_SHIFT 1
#define CSPR_MSEL_NOR 0x00000000
#define CSPR_MSEL_NAND 0x00000002
#define CSPR_MSEL_GPCM 0x00000004
#define CSPR_V 0x00000001
#define CSPR_V_SHIFT 0
/* Convert an address into the right format for the CSPR Registers */
#define CSPR_PHYS_ADDR(x) (((uint64_t)x) & 0xffff0000)
/*
* 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
*/
#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
#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_ASYNC_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
/*
* Flash Timing Registers (FTIM0 - FTIM2_CSn)
*/
/*
* FTIM0 - NAND Flash Mode
*/
#define FTIM0_NAND 0x7EFF3F3F
#define FTIM0_NAND_TCCST_SHIFT 25
#define FTIM0_NAND_TCCST(n) ((n) << FTIM0_NAND_TCCST_SHIFT)
#define FTIM0_NAND_TWP_SHIFT 16
#define FTIM0_NAND_TWP(n) ((n) << FTIM0_NAND_TWP_SHIFT)
#define FTIM0_NAND_TWCHT_SHIFT 8
#define FTIM0_NAND_TWCHT(n) ((n) << FTIM0_NAND_TWCHT_SHIFT)
#define FTIM0_NAND_TWH_SHIFT 0
#define FTIM0_NAND_TWH(n) ((n) << FTIM0_NAND_TWH_SHIFT)
/*
* FTIM1 - NAND Flash Mode
*/
#define FTIM1_NAND 0xFFFF3FFF
#define FTIM1_NAND_TADLE_SHIFT 24
#define FTIM1_NAND_TADLE(n) ((n) << FTIM1_NAND_TADLE_SHIFT)
#define FTIM1_NAND_TWBE_SHIFT 16
#define FTIM1_NAND_TWBE(n) ((n) << FTIM1_NAND_TWBE_SHIFT)
#define FTIM1_NAND_TRR_SHIFT 8
#define FTIM1_NAND_TRR(n) ((n) << FTIM1_NAND_TRR_SHIFT)
#define FTIM1_NAND_TRP_SHIFT 0
#define FTIM1_NAND_TRP(n) ((n) << FTIM1_NAND_TRP_SHIFT)
/*
* FTIM2 - NAND Flash Mode
*/
#define FTIM2_NAND 0x1FE1F8FF
#define FTIM2_NAND_TRAD_SHIFT 21
#define FTIM2_NAND_TRAD(n) ((n) << FTIM2_NAND_TRAD_SHIFT)
#define FTIM2_NAND_TREH_SHIFT 11
#define FTIM2_NAND_TREH(n) ((n) << FTIM2_NAND_TREH_SHIFT)
#define FTIM2_NAND_TWHRE_SHIFT 0
#define FTIM2_NAND_TWHRE(n) ((n) << FTIM2_NAND_TWHRE_SHIFT)
/*
* FTIM0 - NOR Flash Mode
*/
#define FTIM0_NOR 0xF03F3F3F
#define FTIM0_NOR_TACSE_SHIFT 28
#define FTIM0_NOR_TACSE(n) ((n) << FTIM0_NOR_TACSE_SHIFT)
#define FTIM0_NOR_TEADC_SHIFT 16
#define FTIM0_NOR_TEADC(n) ((n) << FTIM0_NOR_TEADC_SHIFT)
#define FTIM0_NOR_TAVDS_SHIFT 8
#define FTIM0_NOR_TAVDS(n) ((n) << FTIM0_NOR_TAVDS_SHIFT)
#define FTIM0_NOR_TEAHC_SHIFT 0
#define FTIM0_NOR_TEAHC(n) ((n) << FTIM0_NOR_TEAHC_SHIFT)
/*
* FTIM1 - NOR Flash Mode
*/
#define FTIM1_NOR 0xFF003F3F
#define FTIM1_NOR_TACO_SHIFT 24
#define FTIM1_NOR_TACO(n) ((n) << FTIM1_NOR_TACO_SHIFT)
#define FTIM1_NOR_TRAD_NOR_SHIFT 8
#define FTIM1_NOR_TRAD_NOR(n) ((n) << FTIM1_NOR_TRAD_NOR_SHIFT)
#define FTIM1_NOR_TSEQRAD_NOR_SHIFT 0
#define FTIM1_NOR_TSEQRAD_NOR(n) ((n) << FTIM1_NOR_TSEQRAD_NOR_SHIFT)
/*
* FTIM2 - NOR Flash Mode
*/
#define FTIM2_NOR 0x0F3CFCFF
#define FTIM2_NOR_TCS_SHIFT 24
#define FTIM2_NOR_TCS(n) ((n) << FTIM2_NOR_TCS_SHIFT)
#define FTIM2_NOR_TCH_SHIFT 18
#define FTIM2_NOR_TCH(n) ((n) << FTIM2_NOR_TCH_SHIFT)
#define FTIM2_NOR_TWPH_SHIFT 10
#define FTIM2_NOR_TWPH(n) ((n) << FTIM2_NOR_TWPH_SHIFT)
#define FTIM2_NOR_TWP_SHIFT 0
#define FTIM2_NOR_TWP(n) ((n) << FTIM2_NOR_TWP_SHIFT)
/*
* FTIM0 - Normal GPCM Mode
*/
#define FTIM0_GPCM 0xF03F3F3F
#define FTIM0_GPCM_TACSE_SHIFT 28
#define FTIM0_GPCM_TACSE(n) ((n) << FTIM0_GPCM_TACSE_SHIFT)
#define FTIM0_GPCM_TEADC_SHIFT 16
#define FTIM0_GPCM_TEADC(n) ((n) << FTIM0_GPCM_TEADC_SHIFT)
#define FTIM0_GPCM_TAVDS_SHIFT 8
#define FTIM0_GPCM_TAVDS(n) ((n) << FTIM0_GPCM_TAVDS_SHIFT)
#define FTIM0_GPCM_TEAHC_SHIFT 0
#define FTIM0_GPCM_TEAHC(n) ((n) << FTIM0_GPCM_TEAHC_SHIFT)
/*
* FTIM1 - Normal GPCM Mode
*/
#define FTIM1_GPCM 0xFF003F00
#define FTIM1_GPCM_TACO_SHIFT 24
#define FTIM1_GPCM_TACO(n) ((n) << FTIM1_GPCM_TACO_SHIFT)
#define FTIM1_GPCM_TRAD_SHIFT 8
#define FTIM1_GPCM_TRAD(n) ((n) << FTIM1_GPCM_TRAD_SHIFT)
/*
* FTIM2 - Normal GPCM Mode
*/
#define FTIM2_GPCM 0x0F3C00FF
#define FTIM2_GPCM_TCS_SHIFT 24
#define FTIM2_GPCM_TCS(n) ((n) << FTIM2_GPCM_TCS_SHIFT)
#define FTIM2_GPCM_TCH_SHIFT 18
#define FTIM2_GPCM_TCH(n) ((n) << FTIM2_GPCM_TCH_SHIFT)
#define FTIM2_GPCM_TWP_SHIFT 0
#define FTIM2_GPCM_TWP(n) ((n) << FTIM2_GPCM_TWP_SHIFT)
/*
* 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
/*
* 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)
#ifndef __ASSEMBLY__
#include <asm/io.h>
#define FSL_IFC_CSPRX(i) (0x10 + ((i) * 0xc))
#define FSL_IFC_CSORX(i) (0x130 + ((i) * 0xc))
#define FSL_IFC_CSORX_EXT(i) (0x134 + ((i) * 0xc))
#define FSL_IFC_AMASKX(i) (0xa0 + ((i) * 0xc))
#define FSL_IFC_CSX_FTIMY(i, j) ((0x1c0 + ((i) * 0x30)) + ((j) * 4))
#define get_ifc_cspr(base, i) (ifc_in32(base + FSL_IFC_CSPRX(i)))
#define get_ifc_csor(base, i) (ifc_in32(base + FSL_IFC_CSORX(i)))
#define get_ifc_csor_ext(base, i) (ifc_in32(base + FSL_IFC_CSORX_EXT(i)))
#define get_ifc_amask(base, i) (ifc_in32(base + FSL_IFC_AMASKX(i)))
#define get_ifc_ftim(base, i, j) (ifc_in32(base + FSL_IFC_CSX_FTIMY(i, j)))
#define set_ifc_cspr(base, i, v) (ifc_out32(base + FSL_IFC_CSPRX(i), v))
#define set_ifc_csor(base, i, v) (ifc_out32(base + FSL_IFC_CSORX(i), v))
#define set_ifc_csor_ext(base, i, v) (ifc_out32(base + FSL_IFC_CSORX_EXT(i),\
v))
#define set_ifc_amask(base, i, v) (ifc_out32(base + FSL_IFC_AMASKX(i), v))
#define set_ifc_ftim(base, i, j, v) \
(ifc_out32(base + FSL_IFC_CSX_FTIMY(i, j), v))
#define FSL_IFC_GCR_OFFSET 0x40c
#define FSL_IFC_CCR_OFFSET 0x44c
enum ifc_chip_sel {
IFC_CS0,
IFC_CS1,
IFC_CS2,
IFC_CS3,
IFC_CS4,
IFC_CS5,
IFC_CS6,
IFC_CS7,
};
enum ifc_ftims {
IFC_FTIM0,
IFC_FTIM1,
IFC_FTIM2,
IFC_FTIM3,
};
#ifdef CONFIG_FSL_ERRATUM_IFC_A002769
#undef CSPR_MSEL_NOR
#define CSPR_MSEL_NOR CSPR_MSEL_GPCM
#endif
#endif /* __ASSEMBLY__ */
#endif /* __FSL_IFC_H */
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