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https://github.com/AsahiLinux/u-boot
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9f46b8637f
It is used as delay for gpmi write strobe. Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Reviewed-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
222 lines
8.4 KiB
C
222 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Freescale i.MX28 GPMI Register Definitions
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*
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
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* on behalf of DENX Software Engineering GmbH
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*
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* Based on code from LTIB:
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* Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*/
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#ifndef __MX28_REGS_GPMI_H__
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#define __MX28_REGS_GPMI_H__
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#include <asm/mach-imx/regs-common.h>
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#ifndef __ASSEMBLY__
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struct mxs_gpmi_regs {
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mxs_reg_32(hw_gpmi_ctrl0)
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mxs_reg_32(hw_gpmi_compare)
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mxs_reg_32(hw_gpmi_eccctrl)
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mxs_reg_32(hw_gpmi_ecccount)
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mxs_reg_32(hw_gpmi_payload)
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mxs_reg_32(hw_gpmi_auxiliary)
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mxs_reg_32(hw_gpmi_ctrl1)
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mxs_reg_32(hw_gpmi_timing0)
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mxs_reg_32(hw_gpmi_timing1)
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uint32_t reserved[4];
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mxs_reg_32(hw_gpmi_data)
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mxs_reg_32(hw_gpmi_stat)
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mxs_reg_32(hw_gpmi_debug)
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mxs_reg_32(hw_gpmi_version)
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};
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#endif
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#define GPMI_CTRL0_SFTRST (1 << 31)
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#define GPMI_CTRL0_CLKGATE (1 << 30)
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#define GPMI_CTRL0_RUN (1 << 29)
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#define GPMI_CTRL0_DEV_IRQ_EN (1 << 28)
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#define GPMI_CTRL0_LOCK_CS (1 << 27)
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#define GPMI_CTRL0_UDMA (1 << 26)
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#define GPMI_CTRL0_COMMAND_MODE_MASK (0x3 << 24)
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#define GPMI_CTRL0_COMMAND_MODE_OFFSET 24
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#define GPMI_CTRL0_COMMAND_MODE_WRITE (0x0 << 24)
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#define GPMI_CTRL0_COMMAND_MODE_READ (0x1 << 24)
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#define GPMI_CTRL0_COMMAND_MODE_READ_AND_COMPARE (0x2 << 24)
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#define GPMI_CTRL0_COMMAND_MODE_WAIT_FOR_READY (0x3 << 24)
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#define GPMI_CTRL0_WORD_LENGTH (1 << 23)
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#define GPMI_CTRL0_CS_MASK (0x7 << 20)
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#define GPMI_CTRL0_CS_OFFSET 20
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#define GPMI_CTRL0_ADDRESS_MASK (0x7 << 17)
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#define GPMI_CTRL0_ADDRESS_OFFSET 17
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#define GPMI_CTRL0_ADDRESS_NAND_DATA (0x0 << 17)
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#define GPMI_CTRL0_ADDRESS_NAND_CLE (0x1 << 17)
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#define GPMI_CTRL0_ADDRESS_NAND_ALE (0x2 << 17)
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#define GPMI_CTRL0_ADDRESS_INCREMENT (1 << 16)
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#define GPMI_CTRL0_XFER_COUNT_MASK 0xffff
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#define GPMI_CTRL0_XFER_COUNT_OFFSET 0
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#define GPMI_COMPARE_MASK_MASK (0xffff << 16)
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#define GPMI_COMPARE_MASK_OFFSET 16
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#define GPMI_COMPARE_REFERENCE_MASK 0xffff
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#define GPMI_COMPARE_REFERENCE_OFFSET 0
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#define GPMI_ECCCTRL_HANDLE_MASK (0xffff << 16)
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#define GPMI_ECCCTRL_HANDLE_OFFSET 16
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#define GPMI_ECCCTRL_ECC_CMD_MASK (0x3 << 13)
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#define GPMI_ECCCTRL_ECC_CMD_OFFSET 13
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#define GPMI_ECCCTRL_ECC_CMD_DECODE (0x0 << 13)
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#define GPMI_ECCCTRL_ECC_CMD_ENCODE (0x1 << 13)
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#define GPMI_ECCCTRL_RANDOMIZER_ENABLE (1 << 11)
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#define GPMI_ECCCTRL_RANDOMIZER_TYPE0 0
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#define GPMI_ECCCTRL_RANDOMIZER_TYPE1 (1 << 9)
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#define GPMI_ECCCTRL_RANDOMIZER_TYPE2 (2 << 9)
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#define GPMI_ECCCTRL_ENABLE_ECC (1 << 12)
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#define GPMI_ECCCTRL_BUFFER_MASK_MASK 0x1ff
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#define GPMI_ECCCTRL_BUFFER_MASK_OFFSET 0
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#define GPMI_ECCCTRL_BUFFER_MASK_BCH_AUXONLY 0x100
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#define GPMI_ECCCTRL_BUFFER_MASK_BCH_PAGE 0x1ff
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#define GPMI_ECCCOUNT_COUNT_MASK 0xffff
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#define GPMI_ECCCOUNT_COUNT_OFFSET 0
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#define GPMI_PAYLOAD_ADDRESS_MASK (0x3fffffff << 2)
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#define GPMI_PAYLOAD_ADDRESS_OFFSET 2
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#define GPMI_AUXILIARY_ADDRESS_MASK (0x3fffffff << 2)
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#define GPMI_AUXILIARY_ADDRESS_OFFSET 2
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#define GPMI_CTRL1_DECOUPLE_CS (1 << 24)
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#define GPMI_CTRL1_WRN_DLY_SEL_MASK (0x3 << 22)
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#define GPMI_CTRL1_WRN_DLY_SEL_OFFSET 22
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#define GPMI_CTRL1_WRN_DLY_SEL_4_TO_8NS 0x0
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#define GPMI_CTRL1_WRN_DLY_SEL_6_TO_10NS 0x1
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#define GPMI_CTRL1_WRN_DLY_SEL_7_TO_12NS 0x2
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#define GPMI_CTRL1_WRN_DLY_SEL_NO_DELAY 0x3
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#define GPMI_CTRL1_TIMEOUT_IRQ_EN (1 << 20)
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#define GPMI_CTRL1_GANGED_RDYBUSY (1 << 19)
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#define GPMI_CTRL1_BCH_MODE (1 << 18)
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#define GPMI_CTRL1_DLL_ENABLE (1 << 17)
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#define GPMI_CTRL1_HALF_PERIOD (1 << 16)
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#define GPMI_CTRL1_RDN_DELAY_MASK (0xf << 12)
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#define GPMI_CTRL1_RDN_DELAY_OFFSET 12
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#define GPMI_CTRL1_DMA2ECC_MODE (1 << 11)
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#define GPMI_CTRL1_DEV_IRQ (1 << 10)
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#define GPMI_CTRL1_TIMEOUT_IRQ (1 << 9)
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#define GPMI_CTRL1_BURST_EN (1 << 8)
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#define GPMI_CTRL1_ABORT_WAIT_REQUEST (1 << 7)
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#define GPMI_CTRL1_ABORT_WAIT_FOR_READY_CHANNEL_MASK (0x7 << 4)
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#define GPMI_CTRL1_ABORT_WAIT_FOR_READY_CHANNEL_OFFSET 4
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#define GPMI_CTRL1_DEV_RESET (1 << 3)
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#define GPMI_CTRL1_ATA_IRQRDY_POLARITY (1 << 2)
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#define GPMI_CTRL1_CAMERA_MODE (1 << 1)
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#define GPMI_CTRL1_GPMI_MODE (1 << 0)
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#define GPMI_CTRL1_CLEAR_MASK (GPMI_CTRL1_WRN_DLY_SEL_MASK | \
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GPMI_CTRL1_DLL_ENABLE | \
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GPMI_CTRL1_RDN_DELAY_MASK | \
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GPMI_CTRL1_HALF_PERIOD)
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#define GPMI_TIMING0_ADDRESS_SETUP_MASK (0xff << 16)
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#define GPMI_TIMING0_ADDRESS_SETUP_OFFSET 16
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#define GPMI_TIMING0_DATA_HOLD_MASK (0xff << 8)
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#define GPMI_TIMING0_DATA_HOLD_OFFSET 8
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#define GPMI_TIMING0_DATA_SETUP_MASK 0xff
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#define GPMI_TIMING0_DATA_SETUP_OFFSET 0
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#define GPMI_TIMING1_DEVICE_BUSY_TIMEOUT_MASK (0xffff << 16)
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#define GPMI_TIMING1_DEVICE_BUSY_TIMEOUT_OFFSET 16
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#define GPMI_TIMING2_UDMA_TRP_MASK (0xff << 24)
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#define GPMI_TIMING2_UDMA_TRP_OFFSET 24
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#define GPMI_TIMING2_UDMA_ENV_MASK (0xff << 16)
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#define GPMI_TIMING2_UDMA_ENV_OFFSET 16
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#define GPMI_TIMING2_UDMA_HOLD_MASK (0xff << 8)
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#define GPMI_TIMING2_UDMA_HOLD_OFFSET 8
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#define GPMI_TIMING2_UDMA_SETUP_MASK 0xff
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#define GPMI_TIMING2_UDMA_SETUP_OFFSET 0
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#define GPMI_DATA_DATA_MASK 0xffffffff
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#define GPMI_DATA_DATA_OFFSET 0
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#define GPMI_STAT_READY_BUSY_MASK (0xff << 24)
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#define GPMI_STAT_READY_BUSY_OFFSET 24
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#define GPMI_STAT_RDY_TIMEOUT_MASK (0xff << 16)
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#define GPMI_STAT_RDY_TIMEOUT_OFFSET 16
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#define GPMI_STAT_DEV7_ERROR (1 << 15)
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#define GPMI_STAT_DEV6_ERROR (1 << 14)
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#define GPMI_STAT_DEV5_ERROR (1 << 13)
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#define GPMI_STAT_DEV4_ERROR (1 << 12)
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#define GPMI_STAT_DEV3_ERROR (1 << 11)
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#define GPMI_STAT_DEV2_ERROR (1 << 10)
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#define GPMI_STAT_DEV1_ERROR (1 << 9)
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#define GPMI_STAT_DEV0_ERROR (1 << 8)
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#define GPMI_STAT_ATA_IRQ (1 << 4)
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#define GPMI_STAT_INVALID_BUFFER_MASK (1 << 3)
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#define GPMI_STAT_FIFO_EMPTY (1 << 2)
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#define GPMI_STAT_FIFO_FULL (1 << 1)
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#define GPMI_STAT_PRESENT (1 << 0)
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#define GPMI_DEBUG_WAIT_FOR_READY_END_MASK (0xff << 24)
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#define GPMI_DEBUG_WAIT_FOR_READY_END_OFFSET 24
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#define GPMI_DEBUG_DMA_SENSE_MASK (0xff << 16)
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#define GPMI_DEBUG_DMA_SENSE_OFFSET 16
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#define GPMI_DEBUG_DMAREQ_MASK (0xff << 8)
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#define GPMI_DEBUG_DMAREQ_OFFSET 8
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#define GPMI_DEBUG_CMD_END_MASK 0xff
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#define GPMI_DEBUG_CMD_END_OFFSET 0
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#define GPMI_VERSION_MAJOR_MASK (0xff << 24)
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#define GPMI_VERSION_MAJOR_OFFSET 24
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#define GPMI_VERSION_MINOR_MASK (0xff << 16)
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#define GPMI_VERSION_MINOR_OFFSET 16
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#define GPMI_VERSION_STEP_MASK 0xffff
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#define GPMI_VERSION_STEP_OFFSET 0
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#define GPMI_DEBUG2_UDMA_STATE_MASK (0xf << 24)
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#define GPMI_DEBUG2_UDMA_STATE_OFFSET 24
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#define GPMI_DEBUG2_BUSY (1 << 23)
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#define GPMI_DEBUG2_PIN_STATE_MASK (0x7 << 20)
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#define GPMI_DEBUG2_PIN_STATE_OFFSET 20
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#define GPMI_DEBUG2_PIN_STATE_PSM_IDLE (0x0 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_BYTCNT (0x1 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_ADDR (0x2 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_STALL (0x3 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_STROBE (0x4 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_ATARDY (0x5 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_DHOLD (0x6 << 20)
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#define GPMI_DEBUG2_PIN_STATE_PSM_DONE (0x7 << 20)
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#define GPMI_DEBUG2_MAIN_STATE_MASK (0xf << 16)
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#define GPMI_DEBUG2_MAIN_STATE_OFFSET 16
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#define GPMI_DEBUG2_MAIN_STATE_MSM_IDLE (0x0 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_BYTCNT (0x1 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_WAITFE (0x2 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_WAITFR (0x3 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_DMAREQ (0x4 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_DMAACK (0x5 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_WAITFF (0x6 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_LDFIFO (0x7 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_LDDMAR (0x8 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_RDCMP (0x9 << 16)
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#define GPMI_DEBUG2_MAIN_STATE_MSM_DONE (0xa << 16)
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#define GPMI_DEBUG2_SYND2GPMI_BE_MASK (0xf << 12)
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#define GPMI_DEBUG2_SYND2GPMI_BE_OFFSET 12
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#define GPMI_DEBUG2_GPMI2SYND_VALID (1 << 11)
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#define GPMI_DEBUG2_GPMI2SYND_READY (1 << 10)
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#define GPMI_DEBUG2_SYND2GPMI_VALID (1 << 9)
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#define GPMI_DEBUG2_SYND2GPMI_READY (1 << 8)
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#define GPMI_DEBUG2_VIEW_DELAYED_RDN (1 << 7)
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#define GPMI_DEBUG2_UPDATE_WINDOW (1 << 6)
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#define GPMI_DEBUG2_RDN_TAP_MASK 0x3f
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#define GPMI_DEBUG2_RDN_TAP_OFFSET 0
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#define GPMI_DEBUG3_APB_WORD_CNTR_MASK (0xffff << 16)
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#define GPMI_DEBUG3_APB_WORD_CNTR_OFFSET 16
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#define GPMI_DEBUG3_DEV_WORD_CNTR_MASK 0xffff
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#define GPMI_DEBUG3_DEV_WORD_CNTR_OFFSET 0
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#endif /* __MX28_REGS_GPMI_H__ */
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