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
211