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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 <[email protected]>
6  * Copyright 2004-2005 Phil Blundell <[email protected]>
7  * Copyright 2007-2008 Anton Vorontsov <[email protected]>
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 <mach/pxa25x.h>
34 #include <mach/h5000.h>
35 #include <mach/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,
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,
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 */
148 
149  /* BTUART */
154 
155  /* SSP1 */
159 
160  /* I2S */
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));
201  pxa_set_udc_info(&h5000_udc_mach_info);
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  .timer = &pxa_timer,
212  .init_machine = h5000_init,
213  .restart = pxa_restart,