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

https://github.com/AICP/kernel_asus_grouper
C | 212 lines | 140 code | 29 blank | 43 comment | 0 complexity | 3479208f88268e4e4dd0a2e387d0da39 MD5 | raw file
  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
 44static 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
 58static 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
 72static 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
 78static 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
 84static 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
 90static 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
 96static 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
121static 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
129static 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
175static 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
188static struct platform_device *devices[] __initdata = {
189	&h5000_flash[0],
190	&h5000_flash[1],
191};
192
193static 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
205MACHINE_START(H5400, "HP iPAQ H5000")
206	.boot_params = 0xa0000100,
207	.map_io = pxa25x_map_io,
208	.init_irq = pxa25x_init_irq,
209	.handle_irq = pxa25x_handle_irq,
210	.timer = &pxa_timer,
211	.init_machine = h5000_init,
212MACHINE_END