xref: /netbsd-src/sys/arch/arm/nxp/imx6var.h (revision 90313c06e62e910bf0d1bb24faa9d17dcefd0ab6)
1 /*	$NetBSD: imx6var.h,v 1.2 2024/02/07 04:20:27 msaitoh Exp $	*/
2 
3 /*
4  * Copyright (c) 2014 Ryo Shimizu
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _ARM_NXP_IMX6VAR_H
30 #define _ARM_NXP_IMX6VAR_H
31 
32 #include <sys/cdefs.h>
33 
34 struct axi_attach_args {
35 	const char *aa_name;
36 	bus_space_tag_t aa_iot;
37 	bus_dma_tag_t aa_dmat;
38 	bus_addr_t aa_addr;
39 	bus_size_t aa_size;
40 	int aa_irq;
41 	int aa_irqbase;
42 };
43 
44 extern struct bus_space armv7_generic_bs_tag;
45 extern struct arm32_bus_dma_tag arm_generic_dma_tag;
46 extern bus_space_tag_t imx6_armcore_bst;
47 extern bus_space_handle_t imx6_armcore_bsh;
48 extern bus_space_tag_t imx6_ioreg_bst;
49 extern bus_space_handle_t imx6_ioreg_bsh;
50 
51 /* iomux utility functions in imx6_iomux.c */
52 struct iomux_conf {
53 	uint32_t pin;	/* ((MUXADDR<<16)|PADADDR) */
54 #define IOMUX_CONF_EOT	((uint32_t)(-1))
55 	uint32_t mux;
56 	uint32_t pad;
57 };
58 
59 uint32_t iomux_read(uint32_t);
60 void iomux_write(uint32_t, uint32_t);
61 void iomux_set_function(u_int, u_int);
62 void iomux_set_pad(u_int, u_int);
63 void iomux_set_input(u_int, u_int);
64 void iomux_mux_config(const struct iomux_conf *);
65 
66 /* imx6_board.c */
67 void imx6_bootstrap(vaddr_t);
68 psize_t imx6_memprobe(void);
69 uint32_t imx6_armrootclk(void);
70 void imx6_reset(void) __dead;
71 void imx6_device_register(device_t, void *);
72 void imx6_set_gpio(device_t, const char *, int32_t *, int32_t *, u_int);
73 uint32_t imx6_chip_id(void);
74 #define CHIPID_MINOR_MASK		0x000000ff
75 #define CHIPID_MAJOR_MASK		0x00ffff00
76 #define CHIPID_MAJOR_IMX6SL		0x00600000
77 #define CHIPID_MAJOR_IMX6DL		0x00610000
78 #define CHIPID_MAJOR_IMX6SOLO		0x00620000
79 #define CHIPID_MAJOR_IMX6Q		0x00630000
80 #define CHIPID_MAJOR_IMX6UL		0x00640000
81 #define IMX6_CHIPID_MAJOR(v)		((v) & CHIPID_MAJOR_MASK)
82 #define IMX6_CHIPID_MINOR(v)		((v) & CHIPID_MINOR_MASK)
83 
84 #endif /* _ARM_NXP_IMX6VAR_H */
85