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604cbadc SH |
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> | |
a09e64fb RK |
23 | #include <mach/hardware.h> |
24 | #include <mach/imx-uart.h> | |
604cbadc SH |
25 | |
26 | static 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 | ||
38 | static struct platform_device mxc_uart_device0 = { | |
39 | .name = "imx-uart", | |
40 | .id = 0, | |
41 | .resource = uart0, | |
42 | .num_resources = ARRAY_SIZE(uart0), | |
43 | }; | |
44 | ||
45 | static 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 | ||
57 | static struct platform_device mxc_uart_device1 = { | |
58 | .name = "imx-uart", | |
59 | .id = 1, | |
60 | .resource = uart1, | |
61 | .num_resources = ARRAY_SIZE(uart1), | |
62 | }; | |
63 | ||
64 | static 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 | ||
76 | static struct platform_device mxc_uart_device2 = { | |
77 | .name = "imx-uart", | |
78 | .id = 2, | |
79 | .resource = uart2, | |
80 | .num_resources = ARRAY_SIZE(uart2), | |
81 | }; | |
82 | ||
83 | static 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 | ||
95 | static struct platform_device mxc_uart_device3 = { | |
96 | .name = "imx-uart", | |
97 | .id = 3, | |
98 | .resource = uart3, | |
99 | .num_resources = ARRAY_SIZE(uart3), | |
100 | }; | |
101 | ||
102 | static 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 | ||
114 | static struct platform_device mxc_uart_device4 = { | |
115 | .name = "imx-uart", | |
116 | .id = 4, | |
117 | .resource = uart4, | |
118 | .num_resources = ARRAY_SIZE(uart4), | |
119 | }; | |
120 | ||
121 | static 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 | ||
133 | static 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 | */ | |
143 | int __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 | } |