1 /*
2 * linux/arch/arm/mach-omap1/board-h2.c
3 *
4 * Board specific inits for OMAP-1610 H2
5 *
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
8 *
9 * Copyright (C) 2002 MontaVista Software, Inc.
10 *
11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
13 *
14 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
16 *
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
20 */
21
22 #include <linux/kernel.h>
23 #include <linux/platform_device.h>
24 #include <linux/delay.h>
25 #include <linux/i2c.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/nand.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/input.h>
30 #include <linux/i2c/tps65010.h>
31
32 #include <mach/hardware.h>
33 #include <asm/gpio.h>
34
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/flash.h>
38 #include <asm/mach/map.h>
39
40 #include <mach/mux.h>
41 #include <mach/dma.h>
42 #include <mach/tc.h>
43 #include <mach/nand.h>
44 #include <mach/irda.h>
45 #include <mach/usb.h>
46 #include <mach/keypad.h>
47 #include <mach/common.h>
48
49 static int h2_keymap[] = {
50 KEY(0, 0, KEY_LEFT),
51 KEY(0, 1, KEY_RIGHT),
52 KEY(0, 2, KEY_3),
53 KEY(0, 3, KEY_F10),
54 KEY(0, 4, KEY_F5),
55 KEY(0, 5, KEY_9),
56 KEY(1, 0, KEY_DOWN),
57 KEY(1, 1, KEY_UP),
58 KEY(1, 2, KEY_2),
59 KEY(1, 3, KEY_F9),
60 KEY(1, 4, KEY_F7),
61 KEY(1, 5, KEY_0),
62 KEY(2, 0, KEY_ENTER),
63 KEY(2, 1, KEY_6),
64 KEY(2, 2, KEY_1),
65 KEY(2, 3, KEY_F2),
66 KEY(2, 4, KEY_F6),
67 KEY(2, 5, KEY_HOME),
68 KEY(3, 0, KEY_8),
69 KEY(3, 1, KEY_5),
70 KEY(3, 2, KEY_F12),
71 KEY(3, 3, KEY_F3),
72 KEY(3, 4, KEY_F8),
73 KEY(3, 5, KEY_END),
74 KEY(4, 0, KEY_7),
75 KEY(4, 1, KEY_4),
76 KEY(4, 2, KEY_F11),
77 KEY(4, 3, KEY_F1),
78 KEY(4, 4, KEY_F4),
79 KEY(4, 5, KEY_ESC),
80 KEY(5, 0, KEY_F13),
81 KEY(5, 1, KEY_F14),
82 KEY(5, 2, KEY_F15),
83 KEY(5, 3, KEY_F16),
84 KEY(5, 4, KEY_SLEEP),
85 0
86 };
87
88 static struct mtd_partition h2_nor_partitions[] = {
89 /* bootloader (U-Boot, etc) in first sector */
90 {
91 .name = "bootloader",
92 .offset = 0,
93 .size = SZ_128K,
94 .mask_flags = MTD_WRITEABLE, /* force read-only */
95 },
96 /* bootloader params in the next sector */
97 {
98 .name = "params",
99 .offset = MTDPART_OFS_APPEND,
100 .size = SZ_128K,
101 .mask_flags = 0,
102 },
103 /* kernel */
104 {
105 .name = "kernel",
106 .offset = MTDPART_OFS_APPEND,
107 .size = SZ_2M,
108 .mask_flags = 0
109 },
110 /* file system */
111 {
112 .name = "filesystem",
113 .offset = MTDPART_OFS_APPEND,
114 .size = MTDPART_SIZ_FULL,
115 .mask_flags = 0
116 }
117 };
118
119 static struct flash_platform_data h2_nor_data = {
120 .map_name = "cfi_probe",
121 .width = 2,
122 .parts = h2_nor_partitions,
123 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
124 };
125
126 static struct resource h2_nor_resource = {
127 /* This is on CS3, wherever it's mapped */
128 .flags = IORESOURCE_MEM,
129 };
130
131 static struct platform_device h2_nor_device = {
132 .name = "omapflash",
133 .id = 0,
134 .dev = {
135 .platform_data = &h2_nor_data,
136 },
137 .num_resources = 1,
138 .resource = &h2_nor_resource,
139 };
140
141 static struct mtd_partition h2_nand_partitions[] = {
142 #if 0
143 /* REVISIT: enable these partitions if you make NAND BOOT
144 * work on your H2 (rev C or newer); published versions of
145 * x-load only support P2 and H3.
146 */
147 {
148 .name = "xloader",
149 .offset = 0,
150 .size = 64 * 1024,
151 .mask_flags = MTD_WRITEABLE, /* force read-only */
152 },
153 {
154 .name = "bootloader",
155 .offset = MTDPART_OFS_APPEND,
156 .size = 256 * 1024,
157 .mask_flags = MTD_WRITEABLE, /* force read-only */
158 },
159 {
160 .name = "params",
161 .offset = MTDPART_OFS_APPEND,
162 .size = 192 * 1024,
163 },
164 {
165 .name = "kernel",
166 .offset = MTDPART_OFS_APPEND,
167 .size = 2 * SZ_1M,
168 },
169 #endif
170 {
171 .name = "filesystem",
172 .size = MTDPART_SIZ_FULL,
173 .offset = MTDPART_OFS_APPEND,
174 },
175 };
176
177 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
178 static struct omap_nand_platform_data h2_nand_data = {
179 .options = NAND_SAMSUNG_LP_OPTIONS,
180 .parts = h2_nand_partitions,
181 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
182 };
183
184 static struct resource h2_nand_resource = {
185 .flags = IORESOURCE_MEM,
186 };
187
188 static struct platform_device h2_nand_device = {
189 .name = "omapnand",
190 .id = 0,
191 .dev = {
192 .platform_data = &h2_nand_data,
193 },
194 .num_resources = 1,
195 .resource = &h2_nand_resource,
196 };
197
198 static struct resource h2_smc91x_resources[] = {
199 [0] = {
200 .start = OMAP1610_ETHR_START, /* Physical */
201 .end = OMAP1610_ETHR_START + 0xf,
202 .flags = IORESOURCE_MEM,
203 },
204 [1] = {
205 .start = OMAP_GPIO_IRQ(0),
206 .end = OMAP_GPIO_IRQ(0),
207 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
208 },
209 };
210
211 static struct platform_device h2_smc91x_device = {
212 .name = "smc91x",
213 .id = 0,
214 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
215 .resource = h2_smc91x_resources,
216 };
217
218 static struct resource h2_kp_resources[] = {
219 [0] = {
220 .start = INT_KEYBOARD,
221 .end = INT_KEYBOARD,
222 .flags = IORESOURCE_IRQ,
223 },
224 };
225
226 static struct omap_kp_platform_data h2_kp_data = {
227 .rows = 8,
228 .cols = 8,
229 .keymap = h2_keymap,
230 .keymapsize = ARRAY_SIZE(h2_keymap),
231 .rep = 1,
232 .delay = 9,
233 .dbounce = 1,
234 };
235
236 static struct platform_device h2_kp_device = {
237 .name = "omap-keypad",
238 .id = -1,
239 .dev = {
240 .platform_data = &h2_kp_data,
241 },
242 .num_resources = ARRAY_SIZE(h2_kp_resources),
243 .resource = h2_kp_resources,
244 };
245
246 #define H2_IRDA_FIRSEL_GPIO_PIN 17
247
248 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
h2_transceiver_mode(struct device * dev,int state)249 static int h2_transceiver_mode(struct device *dev, int state)
250 {
251 /* SIR when low, else MIR/FIR when HIGH */
252 gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
253 return 0;
254 }
255 #endif
256
257 static struct omap_irda_config h2_irda_data = {
258 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
259 .rx_channel = OMAP_DMA_UART3_RX,
260 .tx_channel = OMAP_DMA_UART3_TX,
261 .dest_start = UART3_THR,
262 .src_start = UART3_RHR,
263 .tx_trigger = 0,
264 .rx_trigger = 0,
265 };
266
267 static struct resource h2_irda_resources[] = {
268 [0] = {
269 .start = INT_UART3,
270 .end = INT_UART3,
271 .flags = IORESOURCE_IRQ,
272 },
273 };
274
275 static u64 irda_dmamask = 0xffffffff;
276
277 static struct platform_device h2_irda_device = {
278 .name = "omapirda",
279 .id = 0,
280 .dev = {
281 .platform_data = &h2_irda_data,
282 .dma_mask = &irda_dmamask,
283 },
284 .num_resources = ARRAY_SIZE(h2_irda_resources),
285 .resource = h2_irda_resources,
286 };
287
288 static struct platform_device h2_lcd_device = {
289 .name = "lcd_h2",
290 .id = -1,
291 };
292
293 static struct platform_device *h2_devices[] __initdata = {
294 &h2_nor_device,
295 &h2_nand_device,
296 &h2_smc91x_device,
297 &h2_irda_device,
298 &h2_kp_device,
299 &h2_lcd_device,
300 };
301
h2_init_smc91x(void)302 static void __init h2_init_smc91x(void)
303 {
304 if (gpio_request(0, "SMC91x irq") < 0) {
305 printk("Error requesting gpio 0 for smc91x irq\n");
306 return;
307 }
308 }
309
tps_setup(struct i2c_client * client,void * context)310 static int tps_setup(struct i2c_client *client, void *context)
311 {
312 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
313 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
314
315 return 0;
316 }
317
318 static struct tps65010_board tps_board = {
319 .base = H2_TPS_GPIO_BASE,
320 .outmask = 0x0f,
321 .setup = tps_setup,
322 };
323
324 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
325 {
326 I2C_BOARD_INFO("tps65010", 0x48),
327 .irq = OMAP_GPIO_IRQ(58),
328 .platform_data = &tps_board,
329 }, {
330 I2C_BOARD_INFO("isp1301_omap", 0x2d),
331 .irq = OMAP_GPIO_IRQ(2),
332 },
333 };
334
h2_init_irq(void)335 static void __init h2_init_irq(void)
336 {
337 omap1_init_common_hw();
338 omap_init_irq();
339 omap_gpio_init();
340 h2_init_smc91x();
341 }
342
343 static struct omap_usb_config h2_usb_config __initdata = {
344 /* usb1 has a Mini-AB port and external isp1301 transceiver */
345 .otg = 2,
346
347 #ifdef CONFIG_USB_GADGET_OMAP
348 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
349 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
350 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
351 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
352 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
353 #endif
354
355 .pins[1] = 3,
356 };
357
358 static struct omap_uart_config h2_uart_config __initdata = {
359 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
360 };
361
362 static struct omap_lcd_config h2_lcd_config __initdata = {
363 .ctrl_name = "internal",
364 };
365
366 static struct omap_board_config_kernel h2_config[] __initdata = {
367 { OMAP_TAG_USB, &h2_usb_config },
368 { OMAP_TAG_UART, &h2_uart_config },
369 { OMAP_TAG_LCD, &h2_lcd_config },
370 };
371
372 #define H2_NAND_RB_GPIO_PIN 62
373
h2_init(void)374 static void __init h2_init(void)
375 {
376 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
377 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
378 * notice whether a NAND chip is enabled at probe time.
379 *
380 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
381 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
382 * detecting that in code here, to avoid probing every possible flash
383 * configuration...
384 */
385 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
386 h2_nor_resource.end += SZ_32M - 1;
387
388 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
389 h2_nand_resource.end += SZ_4K - 1;
390 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
391 BUG();
392 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
393
394 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
395 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
396
397 /* MMC: card detect and WP */
398 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
399 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
400
401 /* Irda */
402 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
403 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
404 if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
405 BUG();
406 gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
407 h2_irda_data.transceiver_mode = h2_transceiver_mode;
408 #endif
409
410 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
411 omap_board_config = h2_config;
412 omap_board_config_size = ARRAY_SIZE(h2_config);
413 omap_serial_init();
414 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
415 ARRAY_SIZE(h2_i2c_board_info));
416 h2_mmc_init();
417 }
418
h2_map_io(void)419 static void __init h2_map_io(void)
420 {
421 omap1_map_common_io();
422 }
423
424 MACHINE_START(OMAP_H2, "TI-H2")
425 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
426 .phys_io = 0xfff00000,
427 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
428 .boot_params = 0x10000100,
429 .map_io = h2_map_io,
430 .init_irq = h2_init_irq,
431 .init_machine = h2_init,
432 .timer = &omap_timer,
433 MACHINE_END
434