/* $NetBSD: imx23_apbhdmareg.h,v 1.3 2026/02/02 06:23:37 skrll Exp $ */

/*
 * Copyright (c) 2012 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Petri Laakso.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _ARM_IMX_IMX23_APBHDMAREG_H_
#define _ARM_IMX_IMX23_APBHDMAREG_H_

#include <sys/cdefs.h>

#define HW_APBHDMA_BASE 0x80004000
#define HW_APBHDMA_SIZE 0x2000 /* 8 kB */

/*
 * AHB to APBH Bridge Control and Status Register 0.
 */
#define HW_APBH_CTRL0           0x000
#define HW_APBH_CTRL0_SET       0x004
#define HW_APBH_CTRL0_CLR       0x008
#define HW_APBH_CTRL0_TOG       0x00C

#define HW_APBH_CTRL0_SFTRST            __BIT(31)
#define HW_APBH_CTRL0_CLKGATE           __BIT(30)
#define HW_APBH_CTRL0_AHB_BURST8_EN     __BIT(29)
#define HW_APBH_CTRL0_APB_BURST4_EN     __BIT(28)
#define HW_APBH_CTRL0_RSVD0             __BITS(27, 24)
#define HW_APBH_CTRL0_RESET_CHANNEL     __BITS(23, 16)
#define HW_APBH_CTRL0_CLKGATE_CHANNEL   __BITS(15, 8)
#define HW_APBH_CTRL0_FREEZE_CHANNEL    __BITS(7, 0)

/*
 * AHB to APBH Bridge Control and Status Register 1.
 */
#define HW_APBH_CTRL1           0x010
#define HW_APBH_CTRL1_SET       0x014
#define HW_APBH_CTRL1_CLR       0x018
#define HW_APBH_CTRL1_TOG       0x01C

#define HW_APBH_CTRL1_RSVD1                     __BITS(31, 24)
#define HW_APBH_CTRL1_CH7_CMDCMPLT_IRQ_EN       __BIT(23)
#define HW_APBH_CTRL1_CH6_CMDCMPLT_IRQ_EN       __BIT(22)
#define HW_APBH_CTRL1_CH5_CMDCMPLT_IRQ_EN       __BIT(21)
#define HW_APBH_CTRL1_CH4_CMDCMPLT_IRQ_EN       __BIT(20)
#define HW_APBH_CTRL1_CH3_CMDCMPLT_IRQ_EN       __BIT(19)
#define HW_APBH_CTRL1_CH2_CMDCMPLT_IRQ_EN       __BIT(18)
#define HW_APBH_CTRL1_CH1_CMDCMPLT_IRQ_EN       __BIT(17)
#define HW_APBH_CTRL1_CH0_CMDCMPLT_IRQ_EN       __BIT(16)
#define HW_APBH_CTRL1_RSVD0                     __BITS(15, 8)
#define HW_APBH_CTRL1_CH7_CMDCMPLT_IRQ          __BIT(7)
#define HW_APBH_CTRL1_CH6_CMDCMPLT_IRQ          __BIT(6)
#define HW_APBH_CTRL1_CH5_CMDCMPLT_IRQ          __BIT(5)
#define HW_APBH_CTRL1_CH4_CMDCMPLT_IRQ          __BIT(4)
#define HW_APBH_CTRL1_CH3_CMDCMPLT_IRQ          __BIT(3)
#define HW_APBH_CTRL1_CH2_CMDCMPLT_IRQ          __BIT(2)
#define HW_APBH_CTRL1_CH1_CMDCMPLT_IRQ          __BIT(1)
#define HW_APBH_CTRL1_CH0_CMDCMPLT_IRQ          __BIT(0)

/*
 * AHB to APBH Bridge Control and Status Register 2.
 */
#define HW_APBH_CTRL2           0x020
#define HW_APBH_CTRL2_SET       0x024
#define HW_APBH_CTRL2_CLR       0x028
#define HW_APBH_CTRL2_TOG       0x02C

#define HW_APBH_CTRL2_RSVD1             __BITS(31, 24)
#define HW_APBH_CTRL2_CH7_ERROR_STATUS  __BIT(23)
#define HW_APBH_CTRL2_CH6_ERROR_STATUS  __BIT(22)
#define HW_APBH_CTRL2_CH5_ERROR_STATUS  __BIT(21)
#define HW_APBH_CTRL2_CH4_ERROR_STATUS  __BIT(20)
#define HW_APBH_CTRL2_CH3_ERROR_STATUS  __BIT(19)
#define HW_APBH_CTRL2_CH2_ERROR_STATUS  __BIT(18)
#define HW_APBH_CTRL2_CH1_ERROR_STATUS  __BIT(17)
#define HW_APBH_CTRL2_CH0_ERROR_STATUS  __BIT(16)
#define HW_APBH_CTRL2_RSVD0             __BITS(15, 8)
#define HW_APBH_CTRL2_CH7_ERROR_IRQ     __BIT(7)
#define HW_APBH_CTRL2_CH6_ERROR_IRQ     __BIT(6)
#define HW_APBH_CTRL2_CH5_ERROR_IRQ     __BIT(5)
#define HW_APBH_CTRL2_CH4_ERROR_IRQ     __BIT(4)
#define HW_APBH_CTRL2_CH3_ERROR_IRQ     __BIT(3)
#define HW_APBH_CTRL2_CH2_ERROR_IRQ     __BIT(2)
#define HW_APBH_CTRL2_CH1_ERROR_IRQ     __BIT(1)
#define HW_APBH_CTRL2_CH0_ERROR_IRQ     __BIT(0)

/*
 * AHB to APBH DMA Device Assignment Register.
 */
#define HW_APBH_DEVSEL  0x030

#define HW_APBH_DEVSEL_CH7      __BITS(31, 28)
#define HW_APBH_DEVSEL_CH6      __BITS(27, 24)
#define HW_APBH_DEVSEL_CH5      __BITS(23, 20)
#define HW_APBH_DEVSEL_CH4      __BITS(19, 16)
#define HW_APBH_DEVSEL_CH3      __BITS(15, 12)
#define HW_APBH_DEVSEL_CH2      __BITS(11, 8)
#define HW_APBH_DEVSEL_CH1      __BITS(7, 4)
#define HW_APBH_DEVSEL_CH0      __BITS(3, 0)

/*
 * APBH DMA Channel 0 Current Command Address Register.
 */
#define HW_APBH_CH0_CURCMDAR    0x040

#define HW_APBH_CH0_CURCMDAR_CMD_ADDR   __BITS(31, 0)

/*
 * APBH DMA Channel 0 Next Command Address.
 */
#define HW_APBH_CH0_NXTCMDAR    0x050

#define HW_APBH_CH0_NXTCMDAR_CMD_ADDR   __BITS(31, 0)

/*
 * APBH DMA Channel 0 Semaphore Register.
 */
#define HW_APBH_CH0_SEMA        0x080

#define HW_APBH_CH0_SEMA_RSVD2          __BITS(31, 24)
#define HW_APBH_CH0_SEMA_PHORE          __BITS(23, 16)
#define HW_APBH_CH0_SEMA_RSVD1          __BITS(15, 8)
#define HW_APBH_CH0_SEMA_INCREMENT_SEMA __BITS(7, 0)

/*
 * APBH DMA Channel 1 Current Command Address Register.
 */
#define HW_APBH_CH1_CURCMDAR    0x0B0

#define HW_APBH_CH1_CURCMDAR_CMD_ADDR   __BITS(31, 0)

/*
 * APBH DMA Channel 1 Next Command Address Register.
 */
#define HW_APBH_CH1_NXTCMDAR    0x0C0

#define HW_APBH_CH1_NXTCMDAR_CMD_ADDR   __BITS(31, 0)

/*
 * APBH DMA Channel 1 Command Register.
 */
#define HW_APBH_CH1_CMD 0x0D0

#define HW_APBH_CH1_CMD_XFER_COUNT      __BITS(31, 16)
#define HW_APBH_CH1_CMD_CMDWORDS        __BITS(15, 12)
#define HW_APBH_CH1_CMD_RSVD1           __BITS(11, 9)
#define HW_APBH_CH1_CMD_HALTONTERMINATE __BIT(8)
#define HW_APBH_CH1_CMD_WAIT4ENDCMD     __BIT(7)
#define HW_APBH_CH1_CMD_SEMAPHORE       __BIT(6)
#define HW_APBH_CH1_CMD_NANDWAIT4READY  __BIT(5)
#define HW_APBH_CH1_CMD_NANDLOCK        __BIT(4)
#define HW_APBH_CH1_CMD_IRQONCMPLT      __BIT(3)
#define HW_APBH_CH1_CMD_CHAIN           __BIT(2)
#define HW_APBH_CH1_CMD_COMMAND         __BITS(1, 0)

/*
 * APBH DMA Channel 1 Buffer Address Register.
 */
#define HW_APBH_CH1_BAR 0x0E0

#define HW_APBH_CH1_BAR_ADDRESS __BITS(31, 0)

/*
 * APBH DMA Channel 1 Semaphore Register.
 */
#define HW_APBH_CH1_SEMA        0x0F0

#define HW_APBH_CH1_SEMA_RSVD2          __BITS(31, 24)
#define HW_APBH_CH1_SEMA_PHORE          __BITS(23, 16)
#define HW_APBH_CH1_SEMA_RSVD1          __BITS(15, 8)
#define HW_APBH_CH1_SEMA_INCREMENT_SEMA __BITS(7, 0)

/*
 * AHB to APBH DMA Channel 1 Debug Information.
 */
#define HW_APBH_CH1_DEBUG1 0x100

#define HW_APBH_CH1_DEBUG1_REQ                  __BIT(31)
#define HW_APBH_CH1_DEBUG1_BURST                __BIT(30)
#define HW_APBH_CH1_DEBUG1_KICK                 __BIT(29)
#define HW_APBH_CH1_DEBUG1_END                  __BIT(28)
#define HW_APBH_CH1_DEBUG1_SENSE                __BIT(27)
#define HW_APBH_CH1_DEBUG1_READY                __BIT(26)
#define HW_APBH_CH1_DEBUG1_LOCK                 __BIT(25)
#define HW_APBH_CH1_DEBUG1_NEXTCMDADDRVALID     __BIT(24)
#define HW_APBH_CH1_DEBUG1_RD_FIFO_EMPTY        __BIT(23)
#define HW_APBH_CH1_DEBUG1_RD_FIFO_FULL         __BIT(22)
#define HW_APBH_CH1_DEBUG1_WR_FIFO_EMPTY        __BIT(21)
#define HW_APBH_CH1_DEBUG1_WR_FIFO_FULL         __BIT(20)
#define HW_APBH_CH1_DEBUG1_RSVD1                __BITS(19, 5)
#define HW_APBH_CH1_DEBUG1_STATEMACHINE         __BITS(4, 0)

/*
 * AHB to APBH DMA Channel 1 Debug Information.
 */
#define HW_APBH_CH1_DEBUG2 0x110

#define HW_APBH_CH1_DEBUG2_APB_BYTES    __BITS(31, 16)
#define HW_APBH_CH1_DEBUG2_AHB_BYTES    __BITS(15, 0)

#endif /* !_ARM_IMX_IMX23_APBHDMAREG_H_ */