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Linux/arch/arm/mach-pxa/h5000.c

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  1 /*
  2  * Hardware definitions for HP iPAQ h5xxx Handheld Computers
  3  *
  4  * Copyright 2000-2003  Hewlett-Packard Company.
  5  * Copyright 2002       Jamey Hicks <jamey.hicks@hp.com>
  6  * Copyright 2004-2005  Phil Blundell <pb@handhelds.org>
  7  * Copyright 2007-2008  Anton Vorontsov <cbouatmailru@gmail.com>
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License as published by
 11  * the Free Software Foundation; either version 2 of the License, or
 12  * (at your option) any later version.
 13  *
 14  * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
 15  * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
 16  * FITNESS FOR ANY PARTICULAR PURPOSE.
 17  *
 18  * Author: Jamey Hicks.
 19  */
 20 
 21 #include <linux/kernel.h>
 22 #include <linux/init.h>
 23 #include <linux/platform_device.h>
 24 #include <linux/mtd/mtd.h>
 25 #include <linux/mtd/partitions.h>
 26 #include <linux/mtd/physmap.h>
 27 
 28 #include <asm/mach-types.h>
 29 #include <asm/mach/arch.h>
 30 #include <asm/mach/map.h>
 31 #include <asm/irq.h>
 32 
 33 #include "pxa25x.h"
 34 #include "h5000.h"
 35 #include "udc.h"
 36 #include <mach/smemc.h>
 37 
 38 #include "generic.h"
 39 
 40 /*
 41  * Flash
 42  */
 43 
 44 static struct mtd_partition h5000_flash0_partitions[] = {
 45         {
 46                 .name = "bootldr",
 47                 .size = 0x00040000,
 48                 .offset = 0,
 49                 .mask_flags = MTD_WRITEABLE,
 50         },
 51         {
 52                 .name = "root",
 53                 .size = MTDPART_SIZ_FULL,
 54                 .offset = MTDPART_OFS_APPEND,
 55         },
 56 };
 57 
 58 static struct mtd_partition h5000_flash1_partitions[] = {
 59         {
 60                 .name = "second root",
 61                 .size = SZ_16M - 0x00040000,
 62                 .offset = 0,
 63         },
 64         {
 65                 .name = "asset",
 66                 .size = MTDPART_SIZ_FULL,
 67                 .offset = MTDPART_OFS_APPEND,
 68                 .mask_flags = MTD_WRITEABLE,
 69         },
 70 };
 71 
 72 static struct physmap_flash_data h5000_flash0_data = {
 73         .width = 4,
 74         .parts = h5000_flash0_partitions,
 75         .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
 76 };
 77 
 78 static struct physmap_flash_data h5000_flash1_data = {
 79         .width = 4,
 80         .parts = h5000_flash1_partitions,
 81         .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
 82 };
 83 
 84 static struct resource h5000_flash0_resources = {
 85         .start = PXA_CS0_PHYS,
 86         .end = PXA_CS0_PHYS + SZ_32M - 1,
 87         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 88 };
 89 
 90 static struct resource h5000_flash1_resources = {
 91         .start = PXA_CS0_PHYS + SZ_32M,
 92         .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
 93         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 94 };
 95 
 96 static struct platform_device h5000_flash[] = {
 97         {
 98                 .name = "physmap-flash",
 99                 .id = 0,
100                 .resource = &h5000_flash0_resources,
101                 .num_resources = 1,
102                 .dev = {
103                         .platform_data = &h5000_flash0_data,
104                 },
105         },
106         {
107                 .name = "physmap-flash",
108                 .id = 1,
109                 .resource = &h5000_flash1_resources,
110                 .num_resources = 1,
111                 .dev = {
112                         .platform_data = &h5000_flash1_data,
113                 },
114         },
115 };
116 
117 /*
118  * USB Device Controller
119  */
120 
121 static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
122         .gpio_pullup = H5000_GPIO_USB_PULLUP,
123 };
124 
125 /*
126  * GPIO setup
127  */
128 
129 static unsigned long h5000_pin_config[] __initdata = {
130         /* Crystal and Clock Signals */
131         GPIO12_32KHz,
132 
133         /* SDRAM and Static Memory I/O Signals */
134         GPIO15_nCS_1,
135         GPIO78_nCS_2,
136         GPIO79_nCS_3,
137         GPIO80_nCS_4,
138 
139         /* FFUART */
140         GPIO34_FFUART_RXD,
141         GPIO35_FFUART_CTS,
142         GPIO36_FFUART_DCD,
143         GPIO37_FFUART_DSR,
144         GPIO38_FFUART_RI,
145         GPIO39_FFUART_TXD,
146         GPIO40_FFUART_DTR,
147         GPIO41_FFUART_RTS,
148 
149         /* BTUART */
150         GPIO42_BTUART_RXD,
151         GPIO43_BTUART_TXD,
152         GPIO44_BTUART_CTS,
153         GPIO45_BTUART_RTS,
154 
155         /* SSP1 */
156         GPIO23_SSP1_SCLK,
157         GPIO25_SSP1_TXD,
158         GPIO26_SSP1_RXD,
159 
160         /* I2S */
161         GPIO28_I2S_BITCLK_OUT,
162         GPIO29_I2S_SDATA_IN,
163         GPIO30_I2S_SDATA_OUT,
164         GPIO31_I2S_SYNC,
165         GPIO32_I2S_SYSCLK,
166 };
167 
168 /*
169  * Localbus setup:
170  * CS0: Flash;
171  * CS1: MediaQ chip, select 16-bit bus and vlio;
172  * CS5: SAMCOP.
173  */
174 
175 static void fix_msc(void)
176 {
177         __raw_writel(0x129c24f2, MSC0);
178         __raw_writel(0x7ff424fa, MSC1);
179         __raw_writel(0x7ff47ff4, MSC2);
180 
181         __raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
182 }
183 
184 /*
185  * Platform devices
186  */
187 
188 static struct platform_device *devices[] __initdata = {
189         &h5000_flash[0],
190         &h5000_flash[1],
191 };
192 
193 static void __init h5000_init(void)
194 {
195         fix_msc();
196 
197         pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
198         pxa_set_ffuart_info(NULL);
199         pxa_set_btuart_info(NULL);
200         pxa_set_stuart_info(NULL);
201         pxa_set_udc_info(&h5000_udc_mach_info);
202         platform_add_devices(ARRAY_AND_SIZE(devices));
203 }
204 
205 MACHINE_START(H5400, "HP iPAQ H5000")
206         .atag_offset = 0x100,
207         .map_io = pxa25x_map_io,
208         .nr_irqs = PXA_NR_IRQS,
209         .init_irq = pxa25x_init_irq,
210         .handle_irq = pxa25x_handle_irq,
211         .init_time      = pxa_timer_init,
212         .init_machine = h5000_init,
213         .restart        = pxa_restart,
214 MACHINE_END
215 

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