GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / mach-pxa / capc7117.c
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
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
131 static void __init capc7117_uarts_init(void)
132 {
133         platform_device_register(&ti16c752_device);
134 }
135
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