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Linux/arch/arm/mach-pxa/capc7117.c

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  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
163 

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