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REMOVE OMAP LEGACY CODE: Get rid of old tsc2101 and tsc2102
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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/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/i2c.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/nand.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/workqueue.h>
33 #include <linux/clk.h>
34
35 #include <mach/hardware.h>
36 #include <asm/gpio.h>
37
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/flash.h>
41 #include <asm/mach/map.h>
42
43 #include <mach/gpio.h>
44 #include <mach/gpio-switch.h>
45 #include <mach/mux.h>
46 #include <mach/tc.h>
47 #include <mach/nand.h>
48 #include <mach/irda.h>
49 #include <mach/usb.h>
50 #include <mach/keypad.h>
51 #include <mach/common.h>
52
53 static int h2_keymap[] = {
54         KEY(0, 0, KEY_LEFT),
55         KEY(0, 1, KEY_RIGHT),
56         KEY(0, 2, KEY_3),
57         KEY(0, 3, KEY_F10),
58         KEY(0, 4, KEY_F5),
59         KEY(0, 5, KEY_9),
60         KEY(1, 0, KEY_DOWN),
61         KEY(1, 1, KEY_UP),
62         KEY(1, 2, KEY_2),
63         KEY(1, 3, KEY_F9),
64         KEY(1, 4, KEY_F7),
65         KEY(1, 5, KEY_0),
66         KEY(2, 0, KEY_ENTER),
67         KEY(2, 1, KEY_6),
68         KEY(2, 2, KEY_1),
69         KEY(2, 3, KEY_F2),
70         KEY(2, 4, KEY_F6),
71         KEY(2, 5, KEY_HOME),
72         KEY(3, 0, KEY_8),
73         KEY(3, 1, KEY_5),
74         KEY(3, 2, KEY_F12),
75         KEY(3, 3, KEY_F3),
76         KEY(3, 4, KEY_F8),
77         KEY(3, 5, KEY_END),
78         KEY(4, 0, KEY_7),
79         KEY(4, 1, KEY_4),
80         KEY(4, 2, KEY_F11),
81         KEY(4, 3, KEY_F1),
82         KEY(4, 4, KEY_F4),
83         KEY(4, 5, KEY_ESC),
84         KEY(5, 0, KEY_F13),
85         KEY(5, 1, KEY_F14),
86         KEY(5, 2, KEY_F15),
87         KEY(5, 3, KEY_F16),
88         KEY(5, 4, KEY_SLEEP),
89         0
90 };
91
92 static struct mtd_partition h2_nor_partitions[] = {
93         /* bootloader (U-Boot, etc) in first sector */
94         {
95               .name             = "bootloader",
96               .offset           = 0,
97               .size             = SZ_128K,
98               .mask_flags       = MTD_WRITEABLE, /* force read-only */
99         },
100         /* bootloader params in the next sector */
101         {
102               .name             = "params",
103               .offset           = MTDPART_OFS_APPEND,
104               .size             = SZ_128K,
105               .mask_flags       = 0,
106         },
107         /* kernel */
108         {
109               .name             = "kernel",
110               .offset           = MTDPART_OFS_APPEND,
111               .size             = SZ_2M,
112               .mask_flags       = 0
113         },
114         /* file system */
115         {
116               .name             = "filesystem",
117               .offset           = MTDPART_OFS_APPEND,
118               .size             = MTDPART_SIZ_FULL,
119               .mask_flags       = 0
120         }
121 };
122
123 static struct flash_platform_data h2_nor_data = {
124         .map_name       = "cfi_probe",
125         .width          = 2,
126         .parts          = h2_nor_partitions,
127         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
128 };
129
130 static struct resource h2_nor_resource = {
131         /* This is on CS3, wherever it's mapped */
132         .flags          = IORESOURCE_MEM,
133 };
134
135 static struct platform_device h2_nor_device = {
136         .name           = "omapflash",
137         .id             = 0,
138         .dev            = {
139                 .platform_data  = &h2_nor_data,
140         },
141         .num_resources  = 1,
142         .resource       = &h2_nor_resource,
143 };
144
145 static struct mtd_partition h2_nand_partitions[] = {
146 #if 0
147         /* REVISIT:  enable these partitions if you make NAND BOOT
148          * work on your H2 (rev C or newer); published versions of
149          * x-load only support P2 and H3.
150          */
151         {
152                 .name           = "xloader",
153                 .offset         = 0,
154                 .size           = 64 * 1024,
155                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
156         },
157         {
158                 .name           = "bootloader",
159                 .offset         = MTDPART_OFS_APPEND,
160                 .size           = 256 * 1024,
161                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
162         },
163         {
164                 .name           = "params",
165                 .offset         = MTDPART_OFS_APPEND,
166                 .size           = 192 * 1024,
167         },
168         {
169                 .name           = "kernel",
170                 .offset         = MTDPART_OFS_APPEND,
171                 .size           = 2 * SZ_1M,
172         },
173 #endif
174         {
175                 .name           = "filesystem",
176                 .size           = MTDPART_SIZ_FULL,
177                 .offset         = MTDPART_OFS_APPEND,
178         },
179 };
180
181 /* dip switches control NAND chip access:  8 bit, 16 bit, or neither */
182 static struct omap_nand_platform_data h2_nand_data = {
183         .options        = NAND_SAMSUNG_LP_OPTIONS,
184         .parts          = h2_nand_partitions,
185         .nr_parts       = ARRAY_SIZE(h2_nand_partitions),
186 };
187
188 static struct resource h2_nand_resource = {
189         .flags          = IORESOURCE_MEM,
190 };
191
192 static struct platform_device h2_nand_device = {
193         .name           = "omapnand",
194         .id             = 0,
195         .dev            = {
196                 .platform_data  = &h2_nand_data,
197         },
198         .num_resources  = 1,
199         .resource       = &h2_nand_resource,
200 };
201
202 static struct resource h2_smc91x_resources[] = {
203         [0] = {
204                 .start  = OMAP1610_ETHR_START,          /* Physical */
205                 .end    = OMAP1610_ETHR_START + 0xf,
206                 .flags  = IORESOURCE_MEM,
207         },
208         [1] = {
209                 .start  = OMAP_GPIO_IRQ(0),
210                 .end    = OMAP_GPIO_IRQ(0),
211                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
212         },
213 };
214
215 static struct platform_device h2_smc91x_device = {
216         .name           = "smc91x",
217         .id             = 0,
218         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
219         .resource       = h2_smc91x_resources,
220 };
221
222 static struct resource h2_kp_resources[] = {
223         [0] = {
224                 .start  = INT_KEYBOARD,
225                 .end    = INT_KEYBOARD,
226                 .flags  = IORESOURCE_IRQ,
227         },
228 };
229
230 static struct omap_kp_platform_data h2_kp_data = {
231         .rows           = 8,
232         .cols           = 8,
233         .keymap         = h2_keymap,
234         .keymapsize     = ARRAY_SIZE(h2_keymap),
235         .rep            = 1,
236         .delay          = 9,
237         .dbounce        = 1,
238 };
239
240 static struct platform_device h2_kp_device = {
241         .name           = "omap-keypad",
242         .id             = -1,
243         .dev            = {
244                 .platform_data = &h2_kp_data,
245         },
246         .num_resources  = ARRAY_SIZE(h2_kp_resources),
247         .resource       = h2_kp_resources,
248 };
249
250 #define H2_IRDA_FIRSEL_GPIO_PIN 17
251
252 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
253 static int h2_transceiver_mode(struct device *dev, int state)
254 {
255         /* SIR when low, else MIR/FIR when HIGH */
256         gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
257         return 0;
258 }
259 #endif
260
261 static struct omap_irda_config h2_irda_data = {
262         .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
263         .rx_channel             = OMAP_DMA_UART3_RX,
264         .tx_channel             = OMAP_DMA_UART3_TX,
265         .dest_start             = UART3_THR,
266         .src_start              = UART3_RHR,
267         .tx_trigger             = 0,
268         .rx_trigger             = 0,
269 };
270
271 static struct resource h2_irda_resources[] = {
272         [0] = {
273                 .start  = INT_UART3,
274                 .end    = INT_UART3,
275                 .flags  = IORESOURCE_IRQ,
276         },
277 };
278
279 static u64 irda_dmamask = 0xffffffff;
280
281 static struct platform_device h2_irda_device = {
282         .name           = "omapirda",
283         .id             = 0,
284         .dev            = {
285                 .platform_data  = &h2_irda_data,
286                 .dma_mask       = &irda_dmamask,
287         },
288         .num_resources  = ARRAY_SIZE(h2_irda_resources),
289         .resource       = h2_irda_resources,
290 };
291
292 static struct platform_device h2_lcd_device = {
293         .name           = "lcd_h2",
294         .id             = -1,
295 };
296
297 static struct platform_device *h2_devices[] __initdata = {
298         &h2_nor_device,
299         &h2_nand_device,
300         &h2_smc91x_device,
301         &h2_irda_device,
302         &h2_kp_device,
303         &h2_lcd_device,
304 };
305
306 static void __init h2_init_smc91x(void)
307 {
308         if (gpio_request(0, "SMC91x irq") < 0) {
309                 printk("Error requesting gpio 0 for smc91x irq\n");
310                 return;
311         }
312 }
313
314 static int tps_setup(struct i2c_client *client, void *context)
315 {
316         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
317                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
318
319         return 0;
320 }
321
322 static struct tps65010_board tps_board = {
323         .base           = H2_TPS_GPIO_BASE,
324         .outmask        = 0x0f,
325         .setup          = tps_setup,
326 };
327
328 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
329         {
330                 I2C_BOARD_INFO("tps65010", 0x48),
331                 .irq            = OMAP_GPIO_IRQ(58),
332                 .platform_data  = &tps_board,
333         }, {
334                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
335                 .irq            = OMAP_GPIO_IRQ(2),
336         },
337 };
338
339 static void __init h2_init_irq(void)
340 {
341         omap1_init_common_hw();
342         omap_init_irq();
343         omap_gpio_init();
344         h2_init_smc91x();
345 }
346
347 static struct omap_usb_config h2_usb_config __initdata = {
348         /* usb1 has a Mini-AB port and external isp1301 transceiver */
349         .otg            = 2,
350
351 #ifdef  CONFIG_USB_GADGET_OMAP
352         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
353         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
354 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
355         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
356         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
357 #endif
358
359         .pins[1]        = 3,
360 };
361
362 static struct omap_uart_config h2_uart_config __initdata = {
363         .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
364 };
365
366 static struct omap_lcd_config h2_lcd_config __initdata = {
367         .ctrl_name      = "internal",
368 };
369
370 static struct omap_board_config_kernel h2_config[] __initdata = {
371         { OMAP_TAG_USB,         &h2_usb_config },
372         { OMAP_TAG_UART,        &h2_uart_config },
373         { OMAP_TAG_LCD,         &h2_lcd_config },
374 };
375
376 #define H2_NAND_RB_GPIO_PIN     62
377
378 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
379 {
380         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
381 }
382
383 static void __init h2_init(void)
384 {
385         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
386          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
387          * notice whether a NAND chip is enabled at probe time.
388          *
389          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
390          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
391          * detecting that in code here, to avoid probing every possible flash
392          * configuration...
393          */
394         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
395         h2_nor_resource.end += SZ_32M - 1;
396
397         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
398         h2_nand_resource.end += SZ_4K - 1;
399         if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
400                 BUG();
401         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
402
403         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
404         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
405
406         /* MMC:  card detect and WP */
407         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
408         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
409
410         /* Irda */
411 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
412         omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
413         if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
414                 omap_set_gpio_direction(H2_IRDA_FIRSEL_GPIO_PIN, 0);
415                 h2_irda_data.transceiver_mode = h2_transceiver_mode;
416         }
417 #endif
418
419         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
420         omap_board_config = h2_config;
421         omap_board_config_size = ARRAY_SIZE(h2_config);
422         omap_serial_init();
423         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
424                               ARRAY_SIZE(h2_i2c_board_info));
425         h2_mmc_init();
426 }
427
428 static void __init h2_map_io(void)
429 {
430         omap1_map_common_io();
431 }
432
433 MACHINE_START(OMAP_H2, "TI-H2")
434         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
435         .phys_io        = 0xfff00000,
436         .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
437         .boot_params    = 0x10000100,
438         .map_io         = h2_map_io,
439         .init_irq       = h2_init_irq,
440         .init_machine   = h2_init,
441         .timer          = &omap_timer,
442 MACHINE_END