Gitiles
Code Review Sign In
review.shift-gmbh.com / SHIFTPHONES / kernel / common / 604cbadce2292d979749e2f5c6c3f75ee10f4c9e / . / arch / arm / mach-mx2 / serial.c
blob: 570c02b8e5df424f2ac2ba8ff331e44a3df4e2d7 [file] [log] [blame]
Sascha Hauer604cbad2008-07-05 10:02:58 +0200[diff] [blame^]1/*
2 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17 * MA 02110-1301, USA.
18 */
19
20#include <linux/module.h>
21#include <linux/platform_device.h>
22#include <linux/serial.h>
23#include <asm/hardware.h>
24#include <asm/arch/imx-uart.h>
25
26static struct resource uart0[] = {
27 {
28 .start = UART1_BASE_ADDR,
29 .end = UART1_BASE_ADDR + 0x0B5,
30 .flags = IORESOURCE_MEM,
31 }, {
32 .start = MXC_INT_UART1,
33 .end = MXC_INT_UART1,
34 .flags = IORESOURCE_IRQ,
35 },
36};
37
38static struct platform_device mxc_uart_device0 = {
39 .name = "imx-uart",
40 .id = 0,
41 .resource = uart0,
42 .num_resources = ARRAY_SIZE(uart0),
43};
44
45static struct resource uart1[] = {
46 {
47 .start = UART2_BASE_ADDR,
48 .end = UART2_BASE_ADDR + 0x0B5,
49 .flags = IORESOURCE_MEM,
50 }, {
51 .start = MXC_INT_UART2,
52 .end = MXC_INT_UART2,
53 .flags = IORESOURCE_IRQ,
54 },
55};
56
57static struct platform_device mxc_uart_device1 = {
58 .name = "imx-uart",
59 .id = 1,
60 .resource = uart1,
61 .num_resources = ARRAY_SIZE(uart1),
62};
63
64static struct resource uart2[] = {
65 {
66 .start = UART3_BASE_ADDR,
67 .end = UART3_BASE_ADDR + 0x0B5,
68 .flags = IORESOURCE_MEM,
69 }, {
70 .start = MXC_INT_UART3,
71 .end = MXC_INT_UART3,
72 .flags = IORESOURCE_IRQ,
73 },
74};
75
76static struct platform_device mxc_uart_device2 = {
77 .name = "imx-uart",
78 .id = 2,
79 .resource = uart2,
80 .num_resources = ARRAY_SIZE(uart2),
81};
82
83static struct resource uart3[] = {
84 {
85 .start = UART4_BASE_ADDR,
86 .end = UART4_BASE_ADDR + 0x0B5,
87 .flags = IORESOURCE_MEM,
88 }, {
89 .start = MXC_INT_UART4,
90 .end = MXC_INT_UART4,
91 .flags = IORESOURCE_IRQ,
92 },
93};
94
95static struct platform_device mxc_uart_device3 = {
96 .name = "imx-uart",
97 .id = 3,
98 .resource = uart3,
99 .num_resources = ARRAY_SIZE(uart3),
100};
101
102static struct resource uart4[] = {
103 {
104 .start = UART5_BASE_ADDR,
105 .end = UART5_BASE_ADDR + 0x0B5,
106 .flags = IORESOURCE_MEM,
107 }, {
108 .start = MXC_INT_UART5,
109 .end = MXC_INT_UART5,
110 .flags = IORESOURCE_IRQ,
111 },
112};
113
114static struct platform_device mxc_uart_device4 = {
115 .name = "imx-uart",
116 .id = 4,
117 .resource = uart4,
118 .num_resources = ARRAY_SIZE(uart4),
119};
120
121static struct resource uart5[] = {
122 {
123 .start = UART6_BASE_ADDR,
124 .end = UART6_BASE_ADDR + 0x0B5,
125 .flags = IORESOURCE_MEM,
126 }, {
127 .start = MXC_INT_UART6,
128 .end = MXC_INT_UART6,
129 .flags = IORESOURCE_IRQ,
130 },
131};
132
133static struct platform_device mxc_uart_device5 = {
134 .name = "imx-uart",
135 .id = 5,
136 .resource = uart5,
137 .num_resources = ARRAY_SIZE(uart5),
138};
139
140/*
141 * Register only those UARTs that physically exists
142 */
143int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
144{
145 switch (uart_no) {
146 case 0:
147 mxc_uart_device0.dev.platform_data = pdata;
148 platform_device_register(&mxc_uart_device0);
149 break;
150 case 1:
151 mxc_uart_device1.dev.platform_data = pdata;
152 platform_device_register(&mxc_uart_device1);
153 break;
154#ifndef CONFIG_MXC_IRDA
155 case 2:
156 mxc_uart_device2.dev.platform_data = pdata;
157 platform_device_register(&mxc_uart_device2);
158 break;
159#endif
160 case 3:
161 mxc_uart_device3.dev.platform_data = pdata;
162 platform_device_register(&mxc_uart_device3);
163 break;
164 case 4:
165 mxc_uart_device4.dev.platform_data = pdata;
166 platform_device_register(&mxc_uart_device4);
167 break;
168 case 5:
169 mxc_uart_device5.dev.platform_data = pdata;
170 platform_device_register(&mxc_uart_device5);
171 break;
172 default:
173 return -ENODEV;
174 }
175
176 return 0;
177}