xref: /netbsd-src/sys/arch/arm/imx/imx51_uart.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /*
2  * Copyright (c) 2009, 2010  Genetec Corporation.  All rights reserved.
3  * Written by Hiroyuki Bessho for Genetec Corporation.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
16  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24  * POSSIBILITY OF SUCH DAMAGE.
25  *
26  */
27 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: imx51_uart.c,v 1.3 2014/07/25 07:49:56 hkenken Exp $");
30 
31 #include "opt_imx.h"
32 #include "opt_imxuart.h"
33 
34 #include <sys/param.h>
35 #include <sys/bus.h>
36 #include <sys/device.h>
37 #include <arm/imx/imx51reg.h>
38 #include <arm/imx/imx51var.h>
39 #include <arm/imx/imxuartreg.h>
40 #include <arm/imx/imxuartvar.h>
41 
42 int
43 imxuart_match(device_t parent, struct cfdata *cf, void *aux)
44 {
45 	struct axi_attach_args * const aa = aux;
46 
47 	switch (aa->aa_addr) {
48 	case UART1_BASE:
49 	case UART2_BASE:
50 	case UART3_BASE:
51 		return 1;
52 	}
53 
54 	return 0;
55 }
56 
57 void
58 imxuart_attach(device_t parent, device_t self, void *aux)
59 {
60 	struct axi_attach_args * aa = aux;
61 
62 	imxuart_attach_common(parent, self,
63 	    aa->aa_iot, aa->aa_addr, aa->aa_size, aa->aa_irq, 0);
64 }
65 
66