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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 
 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 
 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 
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 */
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         .init_time      = pxa_timer_init,
157         .init_machine = capc7117_init,
158         .restart        = pxa_restart,
159 MACHINE_END
160 

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