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 "smemc.h"
33
34 #include "generic.h"
35
36 /*
37 * Flash
38 */
39
40 static 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
54 static 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
68 static 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
74 static 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
80 static 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
86 static 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
92 static 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
117 static 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
125 static 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
fix_msc(void)171 static 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
184 static struct platform_device *devices[] __initdata = {
185 &h5000_flash[0],
186 &h5000_flash[1],
187 };
188
h5000_init(void)189 static 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
201 MACHINE_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,
210 MACHINE_END
211