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 #include <linux/regulator/machine.h>
28
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31
32 #include "pxa320.h"
33 #include "mxm8x10.h"
34
35 #include "generic.h"
36
37 /* IDE (PATA) Support */
38 static struct pata_platform_info pata_platform_data = {
39 .ioport_shift = 1
40 };
41
42 static struct resource capc7117_ide_resources[] = {
43 [0] = {
44 .start = 0x11000020,
45 .end = 0x1100003f,
46 .flags = IORESOURCE_MEM
47 },
48 [1] = {
49 .start = 0x1100001c,
50 .end = 0x1100001c,
51 .flags = IORESOURCE_MEM
52 },
53 [2] = {
54 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
55 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO76)),
56 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
57 }
58 };
59
60 static struct platform_device capc7117_ide_device = {
61 .name = "pata_platform",
62 .num_resources = ARRAY_SIZE(capc7117_ide_resources),
63 .resource = capc7117_ide_resources,
64 .dev = {
65 .platform_data = &pata_platform_data,
66 .coherent_dma_mask = ~0 /* grumble */
67 }
68 };
69
capc7117_ide_init(void)70 static void __init capc7117_ide_init(void)
71 {
72 platform_device_register(&capc7117_ide_device);
73 }
74
75 /* TI16C752 UART support */
76 #define TI16C752_FLAGS (UPF_BOOT_AUTOCONF | \
77 UPF_IOREMAP | \
78 UPF_BUGGY_UART | \
79 UPF_SKIP_TEST)
80 #define TI16C752_UARTCLK (22118400)
81 static struct plat_serial8250_port ti16c752_platform_data[] = {
82 [0] = {
83 .mapbase = 0x14000000,
84 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO78)),
85 .irqflags = IRQF_TRIGGER_RISING,
86 .flags = TI16C752_FLAGS,
87 .iotype = UPIO_MEM,
88 .regshift = 1,
89 .uartclk = TI16C752_UARTCLK
90 },
91 [1] = {
92 .mapbase = 0x14000040,
93 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO79)),
94 .irqflags = IRQF_TRIGGER_RISING,
95 .flags = TI16C752_FLAGS,
96 .iotype = UPIO_MEM,
97 .regshift = 1,
98 .uartclk = TI16C752_UARTCLK
99 },
100 [2] = {
101 .mapbase = 0x14000080,
102 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO80)),
103 .irqflags = IRQF_TRIGGER_RISING,
104 .flags = TI16C752_FLAGS,
105 .iotype = UPIO_MEM,
106 .regshift = 1,
107 .uartclk = TI16C752_UARTCLK
108 },
109 [3] = {
110 .mapbase = 0x140000c0,
111 .irq = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO81)),
112 .irqflags = IRQF_TRIGGER_RISING,
113 .flags = TI16C752_FLAGS,
114 .iotype = UPIO_MEM,
115 .regshift = 1,
116 .uartclk = TI16C752_UARTCLK
117 },
118 [4] = {
119 /* end of array */
120 }
121 };
122
123 static struct platform_device ti16c752_device = {
124 .name = "serial8250",
125 .id = PLAT8250_DEV_PLATFORM,
126 .dev = {
127 .platform_data = ti16c752_platform_data
128 }
129 };
130
capc7117_uarts_init(void)131 static void __init capc7117_uarts_init(void)
132 {
133 platform_device_register(&ti16c752_device);
134 }
135
capc7117_init(void)136 static void __init capc7117_init(void)
137 {
138 /* Init CoM */
139 mxm_8x10_barebones_init();
140
141 /* Init evaluation board peripherals */
142 mxm_8x10_ac97_init();
143 mxm_8x10_usb_host_init();
144 mxm_8x10_mmc_init();
145
146 capc7117_uarts_init();
147 capc7117_ide_init();
148
149 regulator_has_full_constraints();
150 }
151
152 MACHINE_START(CAPC7117,
153 "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
154 .atag_offset = 0x100,
155 .map_io = pxa3xx_map_io,
156 .nr_irqs = PXA_NR_IRQS,
157 .init_irq = pxa3xx_init_irq,
158 .handle_irq = pxa3xx_handle_irq,
159 .init_time = pxa_timer_init,
160 .init_machine = capc7117_init,
161 .restart = pxa_restart,
162 MACHINE_END
163
