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 <eric.y.miao@gmail.com>
11 * rewrite to align with latest kernel
12 *
13 * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
14 * Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
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] = {
53 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
54 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
55 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
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
capc7117_ide_init(void)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,
83 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
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,
92 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
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,
101 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
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,
110 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
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
capc7117_uarts_init(void)130 static void __init capc7117_uarts_init(void)
131 {
132 platform_device_register(&ti16c752_device);
133 }
134
capc7117_init(void)135 static void __init capc7117_init(void)
136 {
137 /* Init CoM */
138 mxm_8x10_barebones_init();
139
140 /* Init evaluation board peripherals */
141 mxm_8x10_ac97_init();
142 mxm_8x10_usb_host_init();
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,
159 MACHINE_END
160