Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
capc7117.c
Go to the documentation of this file.
1 /*
2  * linux/arch/arm/mach-pxa/capc7117.c
3  *
4  * Support for the Embedian CAPC-7117 Evaluation Kit
5  * based on the Embedian MXM-8x10 Computer on Module
6  *
7  * Copyright (C) 2009 Embedian Inc.
8  * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
9  *
10  * 2007-09-04: eric miao <[email protected]>
11  * rewrite to align with latest kernel
12  *
13  * 2010-01-09: Edwin Peer <[email protected]>
14  * Hennie van der Merwe <[email protected]>
15  * rework for upstream merge
16  *
17  * This program is free software; you can redistribute it and/or modify
18  * it under the terms of the GNU General Public License version 2 as
19  * published by the Free Software Foundation.
20  */
21 
22 #include <linux/irq.h>
23 #include <linux/platform_device.h>
24 #include <linux/ata_platform.h>
25 #include <linux/serial_8250.h>
26 #include <linux/gpio.h>
27 
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 
31 #include <mach/pxa320.h>
32 #include <mach/mxm8x10.h>
33 
34 #include "generic.h"
35 
36 /* IDE (PATA) Support */
37 static struct pata_platform_info pata_platform_data = {
38  .ioport_shift = 1
39 };
40 
41 static struct resource capc7117_ide_resources[] = {
42  [0] = {
43  .start = 0x11000020,
44  .end = 0x1100003f,
45  .flags = IORESOURCE_MEM
46  },
47  [1] = {
48  .start = 0x1100001c,
49  .end = 0x1100001c,
50  .flags = IORESOURCE_MEM
51  },
52  [2] = {
56  }
57 };
58 
59 static struct platform_device capc7117_ide_device = {
60  .name = "pata_platform",
61  .num_resources = ARRAY_SIZE(capc7117_ide_resources),
62  .resource = capc7117_ide_resources,
63  .dev = {
64  .platform_data = &pata_platform_data,
65  .coherent_dma_mask = ~0 /* grumble */
66  }
67 };
68 
69 static void __init capc7117_ide_init(void)
70 {
71  platform_device_register(&capc7117_ide_device);
72 }
73 
74 /* TI16C752 UART support */
75 #define TI16C752_FLAGS (UPF_BOOT_AUTOCONF | \
76  UPF_IOREMAP | \
77  UPF_BUGGY_UART | \
78  UPF_SKIP_TEST)
79 #define TI16C752_UARTCLK (22118400)
80 static struct plat_serial8250_port ti16c752_platform_data[] = {
81  [0] = {
82  .mapbase = 0x14000000,
84  .irqflags = IRQF_TRIGGER_RISING,
85  .flags = TI16C752_FLAGS,
86  .iotype = UPIO_MEM,
87  .regshift = 1,
88  .uartclk = TI16C752_UARTCLK
89  },
90  [1] = {
91  .mapbase = 0x14000040,
93  .irqflags = IRQF_TRIGGER_RISING,
94  .flags = TI16C752_FLAGS,
95  .iotype = UPIO_MEM,
96  .regshift = 1,
97  .uartclk = TI16C752_UARTCLK
98  },
99  [2] = {
100  .mapbase = 0x14000080,
102  .irqflags = IRQF_TRIGGER_RISING,
103  .flags = TI16C752_FLAGS,
104  .iotype = UPIO_MEM,
105  .regshift = 1,
106  .uartclk = TI16C752_UARTCLK
107  },
108  [3] = {
109  .mapbase = 0x140000c0,
111  .irqflags = IRQF_TRIGGER_RISING,
112  .flags = TI16C752_FLAGS,
113  .iotype = UPIO_MEM,
114  .regshift = 1,
115  .uartclk = TI16C752_UARTCLK
116  },
117  [4] = {
118  /* end of array */
119  }
120 };
121 
122 static struct platform_device ti16c752_device = {
123  .name = "serial8250",
124  .id = PLAT8250_DEV_PLATFORM,
125  .dev = {
126  .platform_data = ti16c752_platform_data
127  }
128 };
129 
130 static void __init capc7117_uarts_init(void)
131 {
132  platform_device_register(&ti16c752_device);
133 }
134 
135 static void __init capc7117_init(void)
136 {
137  /* Init CoM */
139 
140  /* Init evaluation board peripherals */
143  mxm_8x10_mmc_init();
144 
145  capc7117_uarts_init();
146  capc7117_ide_init();
147 }
148 
149 MACHINE_START(CAPC7117,
150  "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
151  .atag_offset = 0x100,
152  .map_io = pxa3xx_map_io,
153  .nr_irqs = PXA_NR_IRQS,
154  .init_irq = pxa3xx_init_irq,
155  .handle_irq = pxa3xx_handle_irq,
156  .timer = &pxa_timer,
157  .init_machine = capc7117_init,
158  .restart = pxa_restart,