xref: /netbsd-src/sys/arch/arm/imx/imx31_uart.c (revision 4f4d98d9641451b54ed55023f2edd9dd3954ca25)
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 "opt_imxuart.h"
29 #include <sys/param.h>
30 #include <sys/bus.h>
31 #include <sys/device.h>
32 #include <arm/imx/imx31reg.h>
33 #include <arm/imx/imx31var.h>
34 #include <arm/imx/imxuartreg.h>
35 #include <arm/imx/imxuartvar.h>
36 
37 static int imx31_uart_match(device_t, struct cfdata *, void *);
38 static void imx31_uart_attach(device_t, device_t, void *);
39 
40 CFATTACH_DECL_NEW(imx31_uart, sizeof(struct imxuart_softc),
41     imx31_uart_match, imx31_uart_attach, NULL, NULL);
42 
43 int
imx31_uart_match(device_t parent,struct cfdata * cf,void * aux)44 imx31_uart_match(device_t parent, struct cfdata *cf, void *aux)
45 {
46 	struct aips_attach_args * const aipsa = aux;
47 
48 	switch (aipsa->aipsa_addr) {
49 	case UART1_BASE:
50 	case UART2_BASE:
51 	case UART3_BASE:
52 	case UART4_BASE:
53 	case UART5_BASE:
54 		return 1;
55 	}
56 
57 	return 0;
58 }
59 
60 void
imx31_uart_attach(device_t parent,device_t self,void * aux)61 imx31_uart_attach(device_t parent, device_t self, void *aux)
62 {
63 	struct aips_attach_args * aa = aux;
64 
65 	imxuart_attach_common(parent, self,
66 	    aa->aipsa_memt, aa->aipsa_addr, aa->aipsa_size, aa->aipsa_intr, 0);
67 }
68 
69