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 <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,
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
fix_msc(void)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
h5000_init(void)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 .timer = &pxa_timer,
212 .init_machine = h5000_init,
213 .restart = pxa_restart,
214 MACHINE_END
215