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1dbae815 | 1 | /* |
f30c2269 | 2 | * linux/arch/arm/mach-omap2/board-h4.c |
1dbae815 TL |
3 | * |
4 | * Copyright (C) 2005 Nokia Corporation | |
5 | * Author: Paul Mundt <paul.mundt@nokia.com> | |
6 | * | |
7 | * Modified from mach-omap/omap1/board-generic.c | |
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 version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/mtd/mtd.h> | |
18 | #include <linux/mtd/partitions.h> | |
19 | #include <linux/delay.h> | |
9b6553cd TL |
20 | #include <linux/workqueue.h> |
21 | #include <linux/input.h> | |
1dbae815 TL |
22 | |
23 | #include <asm/hardware.h> | |
24 | #include <asm/mach-types.h> | |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/map.h> | |
27 | #include <asm/mach/flash.h> | |
28 | ||
29 | #include <asm/arch/gpio.h> | |
9b6553cd | 30 | #include <asm/arch/gpioexpander.h> |
1dbae815 TL |
31 | #include <asm/arch/mux.h> |
32 | #include <asm/arch/usb.h> | |
9b6553cd | 33 | #include <asm/arch/irda.h> |
1dbae815 TL |
34 | #include <asm/arch/board.h> |
35 | #include <asm/arch/common.h> | |
9b6553cd TL |
36 | #include <asm/arch/keypad.h> |
37 | #include <asm/arch/menelaus.h> | |
38 | #include <asm/arch/dma.h> | |
39 | #include "prcm-regs.h" | |
1dbae815 TL |
40 | |
41 | #include <asm/io.h> | |
1dbae815 | 42 | |
9b6553cd TL |
43 | static unsigned int row_gpios[6] = { 88, 89, 124, 11, 6, 96 }; |
44 | static unsigned int col_gpios[7] = { 90, 91, 100, 36, 12, 97, 98 }; | |
45 | ||
46 | static int h4_keymap[] = { | |
47 | KEY(0, 0, KEY_LEFT), | |
48 | KEY(0, 1, KEY_RIGHT), | |
49 | KEY(0, 2, KEY_A), | |
50 | KEY(0, 3, KEY_B), | |
51 | KEY(0, 4, KEY_C), | |
52 | KEY(1, 0, KEY_DOWN), | |
53 | KEY(1, 1, KEY_UP), | |
54 | KEY(1, 2, KEY_E), | |
55 | KEY(1, 3, KEY_F), | |
56 | KEY(1, 4, KEY_G), | |
57 | KEY(2, 0, KEY_ENTER), | |
58 | KEY(2, 1, KEY_I), | |
59 | KEY(2, 2, KEY_J), | |
60 | KEY(2, 3, KEY_K), | |
61 | KEY(2, 4, KEY_3), | |
62 | KEY(3, 0, KEY_M), | |
63 | KEY(3, 1, KEY_N), | |
64 | KEY(3, 2, KEY_O), | |
65 | KEY(3, 3, KEY_P), | |
66 | KEY(3, 4, KEY_Q), | |
67 | KEY(4, 0, KEY_R), | |
68 | KEY(4, 1, KEY_4), | |
69 | KEY(4, 2, KEY_T), | |
70 | KEY(4, 3, KEY_U), | |
71 | KEY(4, 4, KEY_ENTER), | |
72 | KEY(5, 0, KEY_V), | |
73 | KEY(5, 1, KEY_W), | |
74 | KEY(5, 2, KEY_L), | |
75 | KEY(5, 3, KEY_S), | |
76 | KEY(5, 4, KEY_ENTER), | |
77 | 0 | |
78 | }; | |
79 | ||
1dbae815 TL |
80 | static struct mtd_partition h4_partitions[] = { |
81 | /* bootloader (U-Boot, etc) in first sector */ | |
82 | { | |
83 | .name = "bootloader", | |
84 | .offset = 0, | |
85 | .size = SZ_128K, | |
86 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
87 | }, | |
88 | /* bootloader params in the next sector */ | |
89 | { | |
90 | .name = "params", | |
91 | .offset = MTDPART_OFS_APPEND, | |
92 | .size = SZ_128K, | |
93 | .mask_flags = 0, | |
94 | }, | |
95 | /* kernel */ | |
96 | { | |
97 | .name = "kernel", | |
98 | .offset = MTDPART_OFS_APPEND, | |
99 | .size = SZ_2M, | |
100 | .mask_flags = 0 | |
101 | }, | |
102 | /* file system */ | |
103 | { | |
104 | .name = "filesystem", | |
105 | .offset = MTDPART_OFS_APPEND, | |
106 | .size = MTDPART_SIZ_FULL, | |
107 | .mask_flags = 0 | |
108 | } | |
109 | }; | |
110 | ||
111 | static struct flash_platform_data h4_flash_data = { | |
112 | .map_name = "cfi_probe", | |
113 | .width = 2, | |
114 | .parts = h4_partitions, | |
115 | .nr_parts = ARRAY_SIZE(h4_partitions), | |
116 | }; | |
117 | ||
118 | static struct resource h4_flash_resource = { | |
119 | .start = H4_CS0_BASE, | |
120 | .end = H4_CS0_BASE + SZ_64M - 1, | |
121 | .flags = IORESOURCE_MEM, | |
122 | }; | |
123 | ||
124 | static struct platform_device h4_flash_device = { | |
125 | .name = "omapflash", | |
126 | .id = 0, | |
127 | .dev = { | |
128 | .platform_data = &h4_flash_data, | |
129 | }, | |
130 | .num_resources = 1, | |
131 | .resource = &h4_flash_resource, | |
132 | }; | |
133 | ||
134 | static struct resource h4_smc91x_resources[] = { | |
135 | [0] = { | |
136 | .start = OMAP24XX_ETHR_START, /* Physical */ | |
137 | .end = OMAP24XX_ETHR_START + 0xf, | |
138 | .flags = IORESOURCE_MEM, | |
139 | }, | |
140 | [1] = { | |
141 | .start = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), | |
142 | .end = OMAP_GPIO_IRQ(OMAP24XX_ETHR_GPIO_IRQ), | |
143 | .flags = IORESOURCE_IRQ, | |
144 | }, | |
145 | }; | |
146 | ||
147 | static struct platform_device h4_smc91x_device = { | |
148 | .name = "smc91x", | |
149 | .id = -1, | |
150 | .num_resources = ARRAY_SIZE(h4_smc91x_resources), | |
151 | .resource = h4_smc91x_resources, | |
152 | }; | |
153 | ||
9b6553cd TL |
154 | /* Select between the IrDA and aGPS module |
155 | */ | |
156 | static int h4_select_irda(struct device *dev, int state) | |
157 | { | |
158 | unsigned char expa; | |
159 | int err = 0; | |
160 | ||
161 | if ((err = read_gpio_expa(&expa, 0x21))) { | |
162 | printk(KERN_ERR "Error reading from I/O expander\n"); | |
163 | return err; | |
164 | } | |
165 | ||
166 | /* 'P6' enable/disable IRDA_TX and IRDA_RX */ | |
167 | if (state & IR_SEL) { /* IrDa */ | |
168 | if ((err = write_gpio_expa(expa | 0x01, 0x21))) { | |
169 | printk(KERN_ERR "Error writing to I/O expander\n"); | |
170 | return err; | |
171 | } | |
172 | } else { | |
173 | if ((err = write_gpio_expa(expa & ~0x01, 0x21))) { | |
174 | printk(KERN_ERR "Error writing to I/O expander\n"); | |
175 | return err; | |
176 | } | |
177 | } | |
178 | return err; | |
179 | } | |
180 | ||
060ebf97 | 181 | static void set_trans_mode(struct work_struct *work) |
9b6553cd | 182 | { |
060ebf97 DB |
183 | struct omap_irda_config *irda_config = |
184 | container_of(work, struct omap_irda_config, gpio_expa.work); | |
185 | int mode = irda_config->mode; | |
9b6553cd TL |
186 | unsigned char expa; |
187 | int err = 0; | |
188 | ||
189 | if ((err = read_gpio_expa(&expa, 0x20)) != 0) { | |
190 | printk(KERN_ERR "Error reading from I/O expander\n"); | |
191 | } | |
192 | ||
193 | expa &= ~0x01; | |
194 | ||
060ebf97 | 195 | if (!(mode & IR_SIRMODE)) { /* MIR/FIR */ |
9b6553cd TL |
196 | expa |= 0x01; |
197 | } | |
198 | ||
199 | if ((err = write_gpio_expa(expa, 0x20)) != 0) { | |
200 | printk(KERN_ERR "Error writing to I/O expander\n"); | |
201 | } | |
202 | } | |
203 | ||
204 | static int h4_transceiver_mode(struct device *dev, int mode) | |
205 | { | |
206 | struct omap_irda_config *irda_config = dev->platform_data; | |
207 | ||
060ebf97 | 208 | irda_config->mode = mode; |
9b6553cd | 209 | cancel_delayed_work(&irda_config->gpio_expa); |
060ebf97 | 210 | PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode); |
6d5aefb8 | 211 | schedule_delayed_work(&irda_config->gpio_expa, 0); |
9b6553cd TL |
212 | |
213 | return 0; | |
214 | } | |
215 | ||
216 | static struct omap_irda_config h4_irda_data = { | |
217 | .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE, | |
218 | .transceiver_mode = h4_transceiver_mode, | |
219 | .select_irda = h4_select_irda, | |
220 | .rx_channel = OMAP24XX_DMA_UART3_RX, | |
221 | .tx_channel = OMAP24XX_DMA_UART3_TX, | |
222 | .dest_start = OMAP_UART3_BASE, | |
223 | .src_start = OMAP_UART3_BASE, | |
224 | .tx_trigger = OMAP24XX_DMA_UART3_TX, | |
225 | .rx_trigger = OMAP24XX_DMA_UART3_RX, | |
226 | }; | |
227 | ||
228 | static struct resource h4_irda_resources[] = { | |
229 | [0] = { | |
230 | .start = INT_24XX_UART3_IRQ, | |
231 | .end = INT_24XX_UART3_IRQ, | |
232 | .flags = IORESOURCE_IRQ, | |
233 | }, | |
234 | }; | |
235 | ||
236 | static struct platform_device h4_irda_device = { | |
237 | .name = "omapirda", | |
238 | .id = -1, | |
239 | .dev = { | |
240 | .platform_data = &h4_irda_data, | |
241 | }, | |
242 | .num_resources = 1, | |
243 | .resource = h4_irda_resources, | |
244 | }; | |
245 | ||
246 | static struct omap_kp_platform_data h4_kp_data = { | |
247 | .rows = 6, | |
248 | .cols = 7, | |
249 | .keymap = h4_keymap, | |
4d24607b | 250 | .keymapsize = ARRAY_SIZE(h4_keymap), |
9b6553cd TL |
251 | .rep = 1, |
252 | .row_gpios = row_gpios, | |
253 | .col_gpios = col_gpios, | |
254 | }; | |
255 | ||
256 | static struct platform_device h4_kp_device = { | |
257 | .name = "omap-keypad", | |
258 | .id = -1, | |
259 | .dev = { | |
260 | .platform_data = &h4_kp_data, | |
261 | }, | |
262 | }; | |
263 | ||
264 | static struct platform_device h4_lcd_device = { | |
265 | .name = "lcd_h4", | |
266 | .id = -1, | |
267 | }; | |
268 | ||
1dbae815 TL |
269 | static struct platform_device *h4_devices[] __initdata = { |
270 | &h4_smc91x_device, | |
271 | &h4_flash_device, | |
9b6553cd TL |
272 | &h4_irda_device, |
273 | &h4_kp_device, | |
274 | &h4_lcd_device, | |
1dbae815 TL |
275 | }; |
276 | ||
277 | static inline void __init h4_init_smc91x(void) | |
278 | { | |
279 | /* Make sure CS1 timings are correct */ | |
280 | GPMC_CONFIG1_1 = 0x00011200; | |
281 | GPMC_CONFIG2_1 = 0x001f1f01; | |
282 | GPMC_CONFIG3_1 = 0x00080803; | |
283 | GPMC_CONFIG4_1 = 0x1c091c09; | |
284 | GPMC_CONFIG5_1 = 0x041f1f1f; | |
285 | GPMC_CONFIG6_1 = 0x000004c4; | |
286 | GPMC_CONFIG7_1 = 0x00000f40 | (0x08000000 >> 24); | |
287 | udelay(100); | |
288 | ||
289 | omap_cfg_reg(M15_24XX_GPIO92); | |
290 | if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) { | |
291 | printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n", | |
292 | OMAP24XX_ETHR_GPIO_IRQ); | |
293 | return; | |
294 | } | |
295 | omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1); | |
296 | } | |
297 | ||
298 | static void __init omap_h4_init_irq(void) | |
299 | { | |
18f49ea2 | 300 | omap2_init_common_hw(); |
1dbae815 TL |
301 | omap_init_irq(); |
302 | omap_gpio_init(); | |
303 | h4_init_smc91x(); | |
304 | } | |
305 | ||
306 | static struct omap_uart_config h4_uart_config __initdata = { | |
307 | .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)), | |
308 | }; | |
309 | ||
310 | static struct omap_mmc_config h4_mmc_config __initdata = { | |
311 | .mmc [0] = { | |
312 | .enabled = 1, | |
313 | .wire4 = 1, | |
314 | .wp_pin = -1, | |
315 | .power_pin = -1, | |
316 | .switch_pin = -1, | |
317 | }, | |
318 | }; | |
319 | ||
320 | static struct omap_lcd_config h4_lcd_config __initdata = { | |
1dbae815 TL |
321 | .ctrl_name = "internal", |
322 | }; | |
323 | ||
324 | static struct omap_board_config_kernel h4_config[] = { | |
325 | { OMAP_TAG_UART, &h4_uart_config }, | |
326 | { OMAP_TAG_MMC, &h4_mmc_config }, | |
327 | { OMAP_TAG_LCD, &h4_lcd_config }, | |
328 | }; | |
329 | ||
330 | static void __init omap_h4_init(void) | |
331 | { | |
332 | /* | |
333 | * Make sure the serial ports are muxed on at this point. | |
334 | * You have to mux them off in device drivers later on | |
335 | * if not needed. | |
336 | */ | |
9b6553cd TL |
337 | #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE) |
338 | omap_cfg_reg(K15_24XX_UART3_TX); | |
339 | omap_cfg_reg(K14_24XX_UART3_RX); | |
340 | #endif | |
341 | ||
342 | #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE) | |
343 | if (omap_has_menelaus()) { | |
344 | row_gpios[5] = 0; | |
345 | col_gpios[2] = 15; | |
346 | col_gpios[6] = 18; | |
347 | } | |
348 | #endif | |
349 | ||
1dbae815 TL |
350 | platform_add_devices(h4_devices, ARRAY_SIZE(h4_devices)); |
351 | omap_board_config = h4_config; | |
352 | omap_board_config_size = ARRAY_SIZE(h4_config); | |
353 | omap_serial_init(); | |
354 | } | |
355 | ||
356 | static void __init omap_h4_map_io(void) | |
357 | { | |
18f49ea2 | 358 | omap2_map_common_io(); |
1dbae815 TL |
359 | } |
360 | ||
361 | MACHINE_START(OMAP_H4, "OMAP2420 H4 board") | |
362 | /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ | |
1dbae815 TL |
363 | .phys_io = 0x48000000, |
364 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, | |
365 | .boot_params = 0x80000100, | |
366 | .map_io = omap_h4_map_io, | |
367 | .init_irq = omap_h4_init_irq, | |
368 | .init_machine = omap_h4_init, | |
369 | .timer = &omap_timer, | |
370 | MACHINE_END |