ARM: pxa: Access SMEMC via virtual addresses
[linux-2.6.git] / arch / arm / mach-pxa / h5000.c
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
32 #include <mach/pxa25x.h>
33 #include <mach/h5000.h>
34 #include <mach/udc.h>
35 #include <mach/smemc.h>
36
37 #include "generic.h"
38
39 /*
40  * Flash
41  */
42
43 static struct mtd_partition h5000_flash0_partitions[] = {
44         {
45                 .name = "bootldr",
46                 .size = 0x00040000,
47                 .offset = 0,
48                 .mask_flags = MTD_WRITEABLE,
49         },
50         {
51                 .name = "root",
52                 .size = MTDPART_SIZ_FULL,
53                 .offset = MTDPART_OFS_APPEND,
54         },
55 };
56
57 static struct mtd_partition h5000_flash1_partitions[] = {
58         {
59                 .name = "second root",
60                 .size = SZ_16M - 0x00040000,
61                 .offset = 0,
62         },
63         {
64                 .name = "asset",
65                 .size = MTDPART_SIZ_FULL,
66                 .offset = MTDPART_OFS_APPEND,
67                 .mask_flags = MTD_WRITEABLE,
68         },
69 };
70
71 static struct physmap_flash_data h5000_flash0_data = {
72         .width = 4,
73         .parts = h5000_flash0_partitions,
74         .nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
75 };
76
77 static struct physmap_flash_data h5000_flash1_data = {
78         .width = 4,
79         .parts = h5000_flash1_partitions,
80         .nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
81 };
82
83 static struct resource h5000_flash0_resources = {
84         .start = PXA_CS0_PHYS,
85         .end = PXA_CS0_PHYS + SZ_32M - 1,
86         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
87 };
88
89 static struct resource h5000_flash1_resources = {
90         .start = PXA_CS0_PHYS + SZ_32M,
91         .end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
92         .flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
93 };
94
95 static struct platform_device h5000_flash[] = {
96         {
97                 .name = "physmap-flash",
98                 .id = 0,
99                 .resource = &h5000_flash0_resources,
100                 .num_resources = 1,
101                 .dev = {
102                         .platform_data = &h5000_flash0_data,
103                 },
104         },
105         {
106                 .name = "physmap-flash",
107                 .id = 1,
108                 .resource = &h5000_flash1_resources,
109                 .num_resources = 1,
110                 .dev = {
111                         .platform_data = &h5000_flash1_data,
112                 },
113         },
114 };
115
116 /*
117  * USB Device Controller
118  */
119
120 static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
121         .gpio_pullup = H5000_GPIO_USB_PULLUP,
122 };
123
124 /*
125  * GPIO setup
126  */
127
128 static unsigned long h5000_pin_config[] __initdata = {
129         /* Crystal and Clock Signals */
130         GPIO12_32KHz,
131
132         /* SDRAM and Static Memory I/O Signals */
133         GPIO15_nCS_1,
134         GPIO78_nCS_2,
135         GPIO79_nCS_3,
136         GPIO80_nCS_4,
137
138         /* FFUART */
139         GPIO34_FFUART_RXD,
140         GPIO35_FFUART_CTS,
141         GPIO36_FFUART_DCD,
142         GPIO37_FFUART_DSR,
143         GPIO38_FFUART_RI,
144         GPIO39_FFUART_TXD,
145         GPIO40_FFUART_DTR,
146         GPIO41_FFUART_RTS,
147
148         /* BTUART */
149         GPIO42_BTUART_RXD,
150         GPIO43_BTUART_TXD,
151         GPIO44_BTUART_CTS,
152         GPIO45_BTUART_RTS,
153
154         /* SSP1 */
155         GPIO23_SSP1_SCLK,
156         GPIO25_SSP1_TXD,
157         GPIO26_SSP1_RXD,
158
159         /* I2S */
160         GPIO28_I2S_BITCLK_OUT,
161         GPIO29_I2S_SDATA_IN,
162         GPIO30_I2S_SDATA_OUT,
163         GPIO31_I2S_SYNC,
164         GPIO32_I2S_SYSCLK,
165 };
166
167 /*
168  * Localbus setup:
169  * CS0: Flash;
170  * CS1: MediaQ chip, select 16-bit bus and vlio;
171  * CS5: SAMCOP.
172  */
173
174 static void fix_msc(void)
175 {
176         __raw_writel(0x129c24f2, MSC0);
177         __raw_writel(0x7ff424fa, MSC1);
178         __raw_writel(0x7ff47ff4, MSC2);
179
180         __raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
181 }
182
183 /*
184  * Platform devices
185  */
186
187 static struct platform_device *devices[] __initdata = {
188         &h5000_flash[0],
189         &h5000_flash[1],
190 };
191
192 static void __init h5000_init(void)
193 {
194         fix_msc();
195
196         pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
197         pxa_set_ffuart_info(NULL);
198         pxa_set_btuart_info(NULL);
199         pxa_set_stuart_info(NULL);
200         pxa_set_udc_info(&h5000_udc_mach_info);
201         platform_add_devices(ARRAY_AND_SIZE(devices));
202 }
203
204 MACHINE_START(H5400, "HP iPAQ H5000")
205         .boot_params = 0xa0000100,
206         .map_io = pxa25x_map_io,
207         .init_irq = pxa25x_init_irq,
208         .timer = &pxa_timer,
209         .init_machine = h5000_init,
210 MACHINE_END