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      1 /* $Id: imx23var.h,v 1.3 2025/10/09 06:15:17 skrll Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Petri Laakso.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ARM_IMX_IMX23VAR_H
     33 #define _ARM_IMX_IMX23VAR_H
     34 
     35 #define DRAM_BASE 0x40000000
     36 #define APBH_BASE 0x80000000
     37 #define APBH_SIZE 0x00040000	/* 256 kB */
     38 #define APBX_BASE 0x80040000
     39 #define APBX_SIZE 0x00040000
     40 #define AHB_BASE  0x80080000	/* USB and DRAM registers. */
     41 #define AHB_SIZE  0x00080000	/* 512 kB */
     42 
     43 #define IMX23_UART_CLK 24000000
     44 
     45 #ifndef _LOCORE
     46 #include <machine/bus_defs.h>
     47 #include <sys/device.h>
     48 
     49 extern struct bus_space imx23_bus_space;
     50 extern struct arm32_bus_dma_tag imx23_bus_dma_tag;
     51 
     52 struct apb_attach_args {
     53 	bus_space_tag_t aa_iot;
     54 	bus_dma_tag_t aa_dmat;
     55 	const char *aa_name;
     56 	bus_addr_t aa_addr;
     57 	bus_size_t aa_size;
     58 	int8_t aa_irq;
     59 };
     60 
     61 struct apb_softc {
     62 	device_t	sc_dev;
     63 	device_t	dmac; /* DMA controller device for this bus. */
     64 };
     65 
     66 struct ahb_attach_args {
     67 	bus_space_tag_t aa_iot;
     68 	bus_dma_tag_t aa_dmat;
     69 	const char *aa_name;
     70 	bus_addr_t aa_addr;
     71 	bus_size_t aa_size;
     72 	int8_t aa_irq;
     73 };
     74 
     75 struct ahb_softc {
     76 	device_t	sc_dev;
     77 };
     78 
     79 #endif /* !_LOCORE */
     80 #endif /* !_ARM_IMX_IMX23VAR_H */
     81