1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3 * Hardware definitions for HP iPAQ h5xxx Handheld Computers
  4 *
  5 * Copyright 2000-2003  Hewlett-Packard Company.
  6 * Copyright 2002       Jamey Hicks <jamey.hicks@hp.com>
  7 * Copyright 2004-2005  Phil Blundell <pb@handhelds.org>
  8 * Copyright 2007-2008  Anton Vorontsov <cbouatmailru@gmail.com>
  9 *
 10 * COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
 11 * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
 12 * FITNESS FOR ANY PARTICULAR PURPOSE.
 13 *
 14 * Author: Jamey Hicks.
 15 */
 16
 17#include <linux/kernel.h>
 18#include <linux/init.h>
 19#include <linux/platform_device.h>
 20#include <linux/mtd/mtd.h>
 21#include <linux/mtd/partitions.h>
 22#include <linux/mtd/physmap.h>
 23
 24#include <asm/mach-types.h>
 25#include <asm/mach/arch.h>
 26#include <asm/mach/map.h>
 27#include <asm/irq.h>
 28
 29#include "pxa25x.h"
 30#include "h5000.h"
 31#include "udc.h"
 32#include <mach/smemc.h>
 33
 34#include "generic.h"
 35
 36/*
 37 * Flash
 38 */
 39
 40static struct mtd_partition h5000_flash0_partitions[] = {
 41	{
 42		.name = "bootldr",
 43		.size = 0x00040000,
 44		.offset = 0,
 45		.mask_flags = MTD_WRITEABLE,
 46	},
 47	{
 48		.name = "root",
 49		.size = MTDPART_SIZ_FULL,
 50		.offset = MTDPART_OFS_APPEND,
 51	},
 52};
 53
 54static struct mtd_partition h5000_flash1_partitions[] = {
 55	{
 56		.name = "second root",
 57		.size = SZ_16M - 0x00040000,
 58		.offset = 0,
 59	},
 60	{
 61		.name = "asset",
 62		.size = MTDPART_SIZ_FULL,
 63		.offset = MTDPART_OFS_APPEND,
 64		.mask_flags = MTD_WRITEABLE,
 65	},
 66};
 67
 68static struct physmap_flash_data h5000_flash0_data = {
 69	.width = 4,
 70	.parts = h5000_flash0_partitions,
 71	.nr_parts = ARRAY_SIZE(h5000_flash0_partitions),
 72};
 73
 74static struct physmap_flash_data h5000_flash1_data = {
 75	.width = 4,
 76	.parts = h5000_flash1_partitions,
 77	.nr_parts = ARRAY_SIZE(h5000_flash1_partitions),
 78};
 79
 80static struct resource h5000_flash0_resources = {
 81	.start = PXA_CS0_PHYS,
 82	.end = PXA_CS0_PHYS + SZ_32M - 1,
 83	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 84};
 85
 86static struct resource h5000_flash1_resources = {
 87	.start = PXA_CS0_PHYS + SZ_32M,
 88	.end = PXA_CS0_PHYS + SZ_32M + SZ_16M - 1,
 89	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
 90};
 91
 92static struct platform_device h5000_flash[] = {
 93	{
 94		.name = "physmap-flash",
 95		.id = 0,
 96		.resource = &h5000_flash0_resources,
 97		.num_resources = 1,
 98		.dev = {
 99			.platform_data = &h5000_flash0_data,
100		},
101	},
102	{
103		.name = "physmap-flash",
104		.id = 1,
105		.resource = &h5000_flash1_resources,
106		.num_resources = 1,
107		.dev = {
108			.platform_data = &h5000_flash1_data,
109		},
110	},
111};
112
113/*
114 * USB Device Controller
115 */
116
117static struct pxa2xx_udc_mach_info h5000_udc_mach_info __initdata = {
118	.gpio_pullup = H5000_GPIO_USB_PULLUP,
119};
120
121/*
122 * GPIO setup
123 */
124
125static unsigned long h5000_pin_config[] __initdata = {
126	/* Crystal and Clock Signals */
127	GPIO12_32KHz,
128
129	/* SDRAM and Static Memory I/O Signals */
130	GPIO15_nCS_1,
131	GPIO78_nCS_2,
132	GPIO79_nCS_3,
133	GPIO80_nCS_4,
134
135	/* FFUART */
136	GPIO34_FFUART_RXD,
137	GPIO35_FFUART_CTS,
138	GPIO36_FFUART_DCD,
139	GPIO37_FFUART_DSR,
140	GPIO38_FFUART_RI,
141	GPIO39_FFUART_TXD,
142	GPIO40_FFUART_DTR,
143	GPIO41_FFUART_RTS,
144
145	/* BTUART */
146	GPIO42_BTUART_RXD,
147	GPIO43_BTUART_TXD,
148	GPIO44_BTUART_CTS,
149	GPIO45_BTUART_RTS,
150
151	/* SSP1 */
152	GPIO23_SSP1_SCLK,
153	GPIO25_SSP1_TXD,
154	GPIO26_SSP1_RXD,
155
156	/* I2S */
157	GPIO28_I2S_BITCLK_OUT,
158	GPIO29_I2S_SDATA_IN,
159	GPIO30_I2S_SDATA_OUT,
160	GPIO31_I2S_SYNC,
161	GPIO32_I2S_SYSCLK,
162};
163
164/*
165 * Localbus setup:
166 * CS0: Flash;
167 * CS1: MediaQ chip, select 16-bit bus and vlio;
168 * CS5: SAMCOP.
169 */
170
171static void fix_msc(void)
172{
173	__raw_writel(0x129c24f2, MSC0);
174	__raw_writel(0x7ff424fa, MSC1);
175	__raw_writel(0x7ff47ff4, MSC2);
176
177	__raw_writel(__raw_readl(MDREFR) | 0x02080000, MDREFR);
178}
179
180/*
181 * Platform devices
182 */
183
184static struct platform_device *devices[] __initdata = {
185	&h5000_flash[0],
186	&h5000_flash[1],
187};
188
189static void __init h5000_init(void)
190{
191	fix_msc();
192
193	pxa2xx_mfp_config(ARRAY_AND_SIZE(h5000_pin_config));
194	pxa_set_ffuart_info(NULL);
195	pxa_set_btuart_info(NULL);
196	pxa_set_stuart_info(NULL);
197	pxa_set_udc_info(&h5000_udc_mach_info);
198	platform_add_devices(ARRAY_AND_SIZE(devices));
199}
200
201MACHINE_START(H5400, "HP iPAQ H5000")
202	.atag_offset = 0x100,
203	.map_io = pxa25x_map_io,
204	.nr_irqs = PXA_NR_IRQS,
205	.init_irq = pxa25x_init_irq,
206	.handle_irq = pxa25x_handle_irq,
207	.init_time	= pxa_timer_init,
208	.init_machine = h5000_init,
209	.restart	= pxa_restart,
210MACHINE_END