1 /*
2 * linux/arch/arm/mach-omap1/board-palmte.c
3 *
4 * Modified from board-generic.c
5 *
6 * Support for the Palm Tungsten E PDA.
7 *
8 * Original version : Laurent Gonzalez
9 *
10 * Maintainers : http://palmtelinux.sf.net
11 * palmtelinux-developpers@lists.sf.net
12 *
13 * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
19
20 #include <linux/kernel.h>
21 #include <linux/init.h>
22 #include <linux/input.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 #include <linux/spi/spi.h>
28 #include <linux/interrupt.h>
29 #include <linux/apm-emulation.h>
30
31 #include <mach/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35
36 #include <mach/gpio.h>
37 #include <plat/flash.h>
38 #include <plat/mux.h>
39 #include <plat/usb.h>
40 #include <plat/tc.h>
41 #include <plat/dma.h>
42 #include <plat/board.h>
43 #include <plat/irda.h>
44 #include <plat/keypad.h>
45 #include <plat/common.h>
46
47 #define PALMTE_USBDETECT_GPIO 0
48 #define PALMTE_USB_OR_DC_GPIO 1
49 #define PALMTE_TSC_GPIO 4
50 #define PALMTE_PINTDAV_GPIO 6
51 #define PALMTE_MMC_WP_GPIO 8
52 #define PALMTE_MMC_POWER_GPIO 9
53 #define PALMTE_HDQ_GPIO 11
54 #define PALMTE_HEADPHONES_GPIO 14
55 #define PALMTE_SPEAKER_GPIO 15
56 #define PALMTE_DC_GPIO OMAP_MPUIO(2)
57 #define PALMTE_MMC_SWITCH_GPIO OMAP_MPUIO(4)
58 #define PALMTE_MMC1_GPIO OMAP_MPUIO(6)
59 #define PALMTE_MMC2_GPIO OMAP_MPUIO(7)
60 #define PALMTE_MMC3_GPIO OMAP_MPUIO(11)
61
omap_palmte_init_irq(void)62 static void __init omap_palmte_init_irq(void)
63 {
64 omap1_init_common_hw();
65 omap_init_irq();
66 }
67
68 static const unsigned int palmte_keymap[] = {
69 KEY(0, 0, KEY_F1), /* Calendar */
70 KEY(1, 0, KEY_F2), /* Contacts */
71 KEY(2, 0, KEY_F3), /* Tasks List */
72 KEY(3, 0, KEY_F4), /* Note Pad */
73 KEY(4, 0, KEY_POWER),
74 KEY(0, 1, KEY_LEFT),
75 KEY(1, 1, KEY_DOWN),
76 KEY(2, 1, KEY_UP),
77 KEY(3, 1, KEY_RIGHT),
78 KEY(4, 1, KEY_ENTER),
79 };
80
81 static const struct matrix_keymap_data palmte_keymap_data = {
82 .keymap = palmte_keymap,
83 .keymap_size = ARRAY_SIZE(palmte_keymap),
84 };
85
86 static struct omap_kp_platform_data palmte_kp_data = {
87 .rows = 8,
88 .cols = 8,
89 .keymap_data = &palmte_keymap_data,
90 .rep = true,
91 .delay = 12,
92 };
93
94 static struct resource palmte_kp_resources[] = {
95 [0] = {
96 .start = INT_KEYBOARD,
97 .end = INT_KEYBOARD,
98 .flags = IORESOURCE_IRQ,
99 },
100 };
101
102 static struct platform_device palmte_kp_device = {
103 .name = "omap-keypad",
104 .id = -1,
105 .dev = {
106 .platform_data = &palmte_kp_data,
107 },
108 .num_resources = ARRAY_SIZE(palmte_kp_resources),
109 .resource = palmte_kp_resources,
110 };
111
112 static struct mtd_partition palmte_rom_partitions[] = {
113 /* PalmOS "Small ROM", contains the bootloader and the debugger */
114 {
115 .name = "smallrom",
116 .offset = 0,
117 .size = 0xa000,
118 .mask_flags = MTD_WRITEABLE,
119 },
120 /* PalmOS "Big ROM", a filesystem with all the OS code and data */
121 {
122 .name = "bigrom",
123 .offset = SZ_128K,
124 /*
125 * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
126 * 0x7b0000 bytes in the English-only ("enUS") version.
127 */
128 .size = 0x7b0000,
129 .mask_flags = MTD_WRITEABLE,
130 },
131 };
132
133 static struct physmap_flash_data palmte_rom_data = {
134 .width = 2,
135 .set_vpp = omap1_set_vpp,
136 .parts = palmte_rom_partitions,
137 .nr_parts = ARRAY_SIZE(palmte_rom_partitions),
138 };
139
140 static struct resource palmte_rom_resource = {
141 .start = OMAP_CS0_PHYS,
142 .end = OMAP_CS0_PHYS + SZ_8M - 1,
143 .flags = IORESOURCE_MEM,
144 };
145
146 static struct platform_device palmte_rom_device = {
147 .name = "physmap-flash",
148 .id = -1,
149 .dev = {
150 .platform_data = &palmte_rom_data,
151 },
152 .num_resources = 1,
153 .resource = &palmte_rom_resource,
154 };
155
156 static struct platform_device palmte_lcd_device = {
157 .name = "lcd_palmte",
158 .id = -1,
159 };
160
161 static struct omap_backlight_config palmte_backlight_config = {
162 .default_intensity = 0xa0,
163 };
164
165 static struct platform_device palmte_backlight_device = {
166 .name = "omap-bl",
167 .id = -1,
168 .dev = {
169 .platform_data = &palmte_backlight_config,
170 },
171 };
172
173 static struct omap_irda_config palmte_irda_config = {
174 .transceiver_cap = IR_SIRMODE,
175 .rx_channel = OMAP_DMA_UART3_RX,
176 .tx_channel = OMAP_DMA_UART3_TX,
177 .dest_start = UART3_THR,
178 .src_start = UART3_RHR,
179 .tx_trigger = 0,
180 .rx_trigger = 0,
181 };
182
183 static struct resource palmte_irda_resources[] = {
184 [0] = {
185 .start = INT_UART3,
186 .end = INT_UART3,
187 .flags = IORESOURCE_IRQ,
188 },
189 };
190
191 static struct platform_device palmte_irda_device = {
192 .name = "omapirda",
193 .id = -1,
194 .dev = {
195 .platform_data = &palmte_irda_config,
196 },
197 .num_resources = ARRAY_SIZE(palmte_irda_resources),
198 .resource = palmte_irda_resources,
199 };
200
201 static struct platform_device *palmte_devices[] __initdata = {
202 &palmte_rom_device,
203 &palmte_kp_device,
204 &palmte_lcd_device,
205 &palmte_backlight_device,
206 &palmte_irda_device,
207 };
208
209 static struct omap_usb_config palmte_usb_config __initdata = {
210 .register_dev = 1, /* Mini-B only receptacle */
211 .hmc_mode = 0,
212 .pins[0] = 2,
213 };
214
215 static struct omap_lcd_config palmte_lcd_config __initdata = {
216 .ctrl_name = "internal",
217 };
218
219 static struct omap_board_config_kernel palmte_config[] __initdata = {
220 { OMAP_TAG_LCD, &palmte_lcd_config },
221 };
222
223 static struct spi_board_info palmte_spi_info[] __initdata = {
224 {
225 .modalias = "tsc2102",
226 .bus_num = 2, /* uWire (officially) */
227 .chip_select = 0, /* As opposed to 3 */
228 .irq = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
229 .max_speed_hz = 8000000,
230 },
231 };
232
palmte_misc_gpio_setup(void)233 static void __init palmte_misc_gpio_setup(void)
234 {
235 /* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
236 if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
237 printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
238 return;
239 }
240 gpio_direction_input(PALMTE_PINTDAV_GPIO);
241
242 /* Set USB-or-DC-IN pin as input (unused) */
243 if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
244 printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
245 return;
246 }
247 gpio_direction_input(PALMTE_USB_OR_DC_GPIO);
248 }
249
omap_palmte_init(void)250 static void __init omap_palmte_init(void)
251 {
252 /* mux pins for uarts */
253 omap_cfg_reg(UART1_TX);
254 omap_cfg_reg(UART1_RTS);
255 omap_cfg_reg(UART2_TX);
256 omap_cfg_reg(UART2_RTS);
257 omap_cfg_reg(UART3_TX);
258 omap_cfg_reg(UART3_RX);
259
260 omap_board_config = palmte_config;
261 omap_board_config_size = ARRAY_SIZE(palmte_config);
262
263 platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
264
265 spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
266 palmte_misc_gpio_setup();
267 omap_serial_init();
268 omap1_usb_init(&palmte_usb_config);
269 omap_register_i2c_bus(1, 100, NULL, 0);
270 }
271
omap_palmte_map_io(void)272 static void __init omap_palmte_map_io(void)
273 {
274 omap1_map_common_io();
275 }
276
277 MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
278 .boot_params = 0x10000100,
279 .map_io = omap_palmte_map_io,
280 .reserve = omap_reserve,
281 .init_irq = omap_palmte_init_irq,
282 .init_machine = omap_palmte_init,
283 .timer = &omap_timer,
284 MACHINE_END
285