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Linux/arch/arm/mach-omap1/board-h2.c

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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 #include <linux/gpio.h>
 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/mtd/physmap.h>
 30 #include <linux/input.h>
 31 #include <linux/i2c/tps65010.h>
 32 #include <linux/smc91x.h>
 33 #include <linux/omapfb.h>
 34 #include <linux/platform_data/gpio-omap.h>
 35 #include <linux/leds.h>
 36 
 37 #include <asm/mach-types.h>
 38 #include <asm/mach/arch.h>
 39 #include <asm/mach/map.h>
 40 
 41 #include <mach/mux.h>
 42 #include <linux/omap-dma.h>
 43 #include <mach/tc.h>
 44 #include <linux/platform_data/keypad-omap.h>
 45 #include <mach/flash.h>
 46 
 47 #include <mach/hardware.h>
 48 #include <mach/usb.h>
 49 
 50 #include "common.h"
 51 #include "board-h2.h"
 52 
 53 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
 54 #define OMAP1610_ETHR_START             0x04000300
 55 
 56 static const unsigned int h2_keymap[] = {
 57         KEY(0, 0, KEY_LEFT),
 58         KEY(1, 0, KEY_RIGHT),
 59         KEY(2, 0, KEY_3),
 60         KEY(3, 0, KEY_F10),
 61         KEY(4, 0, KEY_F5),
 62         KEY(5, 0, KEY_9),
 63         KEY(0, 1, KEY_DOWN),
 64         KEY(1, 1, KEY_UP),
 65         KEY(2, 1, KEY_2),
 66         KEY(3, 1, KEY_F9),
 67         KEY(4, 1, KEY_F7),
 68         KEY(5, 1, KEY_0),
 69         KEY(0, 2, KEY_ENTER),
 70         KEY(1, 2, KEY_6),
 71         KEY(2, 2, KEY_1),
 72         KEY(3, 2, KEY_F2),
 73         KEY(4, 2, KEY_F6),
 74         KEY(5, 2, KEY_HOME),
 75         KEY(0, 3, KEY_8),
 76         KEY(1, 3, KEY_5),
 77         KEY(2, 3, KEY_F12),
 78         KEY(3, 3, KEY_F3),
 79         KEY(4, 3, KEY_F8),
 80         KEY(5, 3, KEY_END),
 81         KEY(0, 4, KEY_7),
 82         KEY(1, 4, KEY_4),
 83         KEY(2, 4, KEY_F11),
 84         KEY(3, 4, KEY_F1),
 85         KEY(4, 4, KEY_F4),
 86         KEY(5, 4, KEY_ESC),
 87         KEY(0, 5, KEY_F13),
 88         KEY(1, 5, KEY_F14),
 89         KEY(2, 5, KEY_F15),
 90         KEY(3, 5, KEY_F16),
 91         KEY(4, 5, KEY_SLEEP),
 92 };
 93 
 94 static struct mtd_partition h2_nor_partitions[] = {
 95         /* bootloader (U-Boot, etc) in first sector */
 96         {
 97               .name             = "bootloader",
 98               .offset           = 0,
 99               .size             = SZ_128K,
100               .mask_flags       = MTD_WRITEABLE, /* force read-only */
101         },
102         /* bootloader params in the next sector */
103         {
104               .name             = "params",
105               .offset           = MTDPART_OFS_APPEND,
106               .size             = SZ_128K,
107               .mask_flags       = 0,
108         },
109         /* kernel */
110         {
111               .name             = "kernel",
112               .offset           = MTDPART_OFS_APPEND,
113               .size             = SZ_2M,
114               .mask_flags       = 0
115         },
116         /* file system */
117         {
118               .name             = "filesystem",
119               .offset           = MTDPART_OFS_APPEND,
120               .size             = MTDPART_SIZ_FULL,
121               .mask_flags       = 0
122         }
123 };
124 
125 static struct physmap_flash_data h2_nor_data = {
126         .width          = 2,
127         .set_vpp        = omap1_set_vpp,
128         .parts          = h2_nor_partitions,
129         .nr_parts       = ARRAY_SIZE(h2_nor_partitions),
130 };
131 
132 static struct resource h2_nor_resource = {
133         /* This is on CS3, wherever it's mapped */
134         .flags          = IORESOURCE_MEM,
135 };
136 
137 static struct platform_device h2_nor_device = {
138         .name           = "physmap-flash",
139         .id             = 0,
140         .dev            = {
141                 .platform_data  = &h2_nor_data,
142         },
143         .num_resources  = 1,
144         .resource       = &h2_nor_resource,
145 };
146 
147 static struct mtd_partition h2_nand_partitions[] = {
148 #if 0
149         /* REVISIT:  enable these partitions if you make NAND BOOT
150          * work on your H2 (rev C or newer); published versions of
151          * x-load only support P2 and H3.
152          */
153         {
154                 .name           = "xloader",
155                 .offset         = 0,
156                 .size           = 64 * 1024,
157                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
158         },
159         {
160                 .name           = "bootloader",
161                 .offset         = MTDPART_OFS_APPEND,
162                 .size           = 256 * 1024,
163                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
164         },
165         {
166                 .name           = "params",
167                 .offset         = MTDPART_OFS_APPEND,
168                 .size           = 192 * 1024,
169         },
170         {
171                 .name           = "kernel",
172                 .offset         = MTDPART_OFS_APPEND,
173                 .size           = 2 * SZ_1M,
174         },
175 #endif
176         {
177                 .name           = "filesystem",
178                 .size           = MTDPART_SIZ_FULL,
179                 .offset         = MTDPART_OFS_APPEND,
180         },
181 };
182 
183 #define H2_NAND_RB_GPIO_PIN     62
184 
185 static int h2_nand_dev_ready(struct mtd_info *mtd)
186 {
187         return gpio_get_value(H2_NAND_RB_GPIO_PIN);
188 }
189 
190 static struct platform_nand_data h2_nand_platdata = {
191         .chip   = {
192                 .nr_chips               = 1,
193                 .chip_offset            = 0,
194                 .nr_partitions          = ARRAY_SIZE(h2_nand_partitions),
195                 .partitions             = h2_nand_partitions,
196                 .options                = NAND_SAMSUNG_LP_OPTIONS,
197         },
198         .ctrl   = {
199                 .cmd_ctrl       = omap1_nand_cmd_ctl,
200                 .dev_ready      = h2_nand_dev_ready,
201         },
202 };
203 
204 static struct resource h2_nand_resource = {
205         .flags          = IORESOURCE_MEM,
206 };
207 
208 static struct platform_device h2_nand_device = {
209         .name           = "gen_nand",
210         .id             = 0,
211         .dev            = {
212                 .platform_data  = &h2_nand_platdata,
213         },
214         .num_resources  = 1,
215         .resource       = &h2_nand_resource,
216 };
217 
218 static struct smc91x_platdata h2_smc91x_info = {
219         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
220         .leda   = RPC_LED_100_10,
221         .ledb   = RPC_LED_TX_RX,
222 };
223 
224 static struct resource h2_smc91x_resources[] = {
225         [0] = {
226                 .start  = OMAP1610_ETHR_START,          /* Physical */
227                 .end    = OMAP1610_ETHR_START + 0xf,
228                 .flags  = IORESOURCE_MEM,
229         },
230         [1] = {
231                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
232         },
233 };
234 
235 static struct platform_device h2_smc91x_device = {
236         .name           = "smc91x",
237         .id             = 0,
238         .dev    = {
239                 .platform_data  = &h2_smc91x_info,
240         },
241         .num_resources  = ARRAY_SIZE(h2_smc91x_resources),
242         .resource       = h2_smc91x_resources,
243 };
244 
245 static struct resource h2_kp_resources[] = {
246         [0] = {
247                 .start  = INT_KEYBOARD,
248                 .end    = INT_KEYBOARD,
249                 .flags  = IORESOURCE_IRQ,
250         },
251 };
252 
253 static const struct matrix_keymap_data h2_keymap_data = {
254         .keymap         = h2_keymap,
255         .keymap_size    = ARRAY_SIZE(h2_keymap),
256 };
257 
258 static struct omap_kp_platform_data h2_kp_data = {
259         .rows           = 8,
260         .cols           = 8,
261         .keymap_data    = &h2_keymap_data,
262         .rep            = true,
263         .delay          = 9,
264         .dbounce        = true,
265 };
266 
267 static struct platform_device h2_kp_device = {
268         .name           = "omap-keypad",
269         .id             = -1,
270         .dev            = {
271                 .platform_data = &h2_kp_data,
272         },
273         .num_resources  = ARRAY_SIZE(h2_kp_resources),
274         .resource       = h2_kp_resources,
275 };
276 
277 static struct gpio_led h2_gpio_led_pins[] = {
278         {
279                 .name           = "h2:red",
280                 .default_trigger = "heartbeat",
281                 .gpio           = 3,
282         },
283         {
284                 .name           = "h2:green",
285                 .default_trigger = "cpu0",
286                 .gpio           = OMAP_MPUIO(4),
287         },
288 };
289 
290 static struct gpio_led_platform_data h2_gpio_led_data = {
291         .leds           = h2_gpio_led_pins,
292         .num_leds       = ARRAY_SIZE(h2_gpio_led_pins),
293 };
294 
295 static struct platform_device h2_gpio_leds = {
296         .name   = "leds-gpio",
297         .id     = -1,
298         .dev    = {
299                 .platform_data = &h2_gpio_led_data,
300         },
301 };
302 
303 static struct platform_device *h2_devices[] __initdata = {
304         &h2_nor_device,
305         &h2_nand_device,
306         &h2_smc91x_device,
307         &h2_kp_device,
308         &h2_gpio_leds,
309 };
310 
311 static void __init h2_init_smc91x(void)
312 {
313         if (gpio_request(0, "SMC91x irq") < 0) {
314                 printk("Error requesting gpio 0 for smc91x irq\n");
315                 return;
316         }
317 }
318 
319 static int tps_setup(struct i2c_client *client, void *context)
320 {
321         if (!IS_BUILTIN(CONFIG_TPS65010))
322                 return -ENOSYS;
323         
324         tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
325                                 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
326 
327         return 0;
328 }
329 
330 static struct tps65010_board tps_board = {
331         .base           = H2_TPS_GPIO_BASE,
332         .outmask        = 0x0f,
333         .setup          = tps_setup,
334 };
335 
336 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
337         {
338                 I2C_BOARD_INFO("tps65010", 0x48),
339                 .platform_data  = &tps_board,
340         }, {
341                 I2C_BOARD_INFO("isp1301_omap", 0x2d),
342         },
343 };
344 
345 static struct omap_usb_config h2_usb_config __initdata = {
346         /* usb1 has a Mini-AB port and external isp1301 transceiver */
347         .otg            = 2,
348 
349 #if IS_ENABLED(CONFIG_USB_OMAP)
350         .hmc_mode       = 19,   /* 0:host(off) 1:dev|otg 2:disabled */
351         /* .hmc_mode    = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
352 #elif   defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
353         /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
354         .hmc_mode       = 20,   /* 1:dev|otg(off) 1:host 2:disabled */
355 #endif
356 
357         .pins[1]        = 3,
358 };
359 
360 static struct omap_lcd_config h2_lcd_config __initdata = {
361         .ctrl_name      = "internal",
362 };
363 
364 static void __init h2_init(void)
365 {
366         h2_init_smc91x();
367 
368         /* Here we assume the NOR boot config:  NOR on CS3 (possibly swapped
369          * to address 0 by a dip switch), NAND on CS2B.  The NAND driver will
370          * notice whether a NAND chip is enabled at probe time.
371          *
372          * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
373          * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3.  Try
374          * detecting that in code here, to avoid probing every possible flash
375          * configuration...
376          */
377         h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
378         h2_nor_resource.end += SZ_32M - 1;
379 
380         h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
381         h2_nand_resource.end += SZ_4K - 1;
382         BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0);
383         gpio_direction_input(H2_NAND_RB_GPIO_PIN);
384 
385         omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
386         omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
387 
388         /* MMC:  card detect and WP */
389         /* omap_cfg_reg(U19_ARMIO1); */         /* CD */
390         omap_cfg_reg(BALLOUT_V8_ARMIO3);        /* WP */
391 
392         /* Mux pins for keypad */
393         omap_cfg_reg(F18_1610_KBC0);
394         omap_cfg_reg(D20_1610_KBC1);
395         omap_cfg_reg(D19_1610_KBC2);
396         omap_cfg_reg(E18_1610_KBC3);
397         omap_cfg_reg(C21_1610_KBC4);
398         omap_cfg_reg(G18_1610_KBR0);
399         omap_cfg_reg(F19_1610_KBR1);
400         omap_cfg_reg(H14_1610_KBR2);
401         omap_cfg_reg(E20_1610_KBR3);
402         omap_cfg_reg(E19_1610_KBR4);
403         omap_cfg_reg(N19_1610_KBR5);
404 
405         /* GPIO based LEDs */
406         omap_cfg_reg(P18_1610_GPIO3);
407         omap_cfg_reg(MPUIO4);
408 
409         h2_smc91x_resources[1].start = gpio_to_irq(0);
410         h2_smc91x_resources[1].end = gpio_to_irq(0);
411         platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
412         omap_serial_init();
413         h2_i2c_board_info[0].irq = gpio_to_irq(58);
414         h2_i2c_board_info[1].irq = gpio_to_irq(2);
415         omap_register_i2c_bus(1, 100, h2_i2c_board_info,
416                               ARRAY_SIZE(h2_i2c_board_info));
417         omap1_usb_init(&h2_usb_config);
418         h2_mmc_init();
419 
420         omapfb_set_lcd_config(&h2_lcd_config);
421 }
422 
423 MACHINE_START(OMAP_H2, "TI-H2")
424         /* Maintainer: Imre Deak <imre.deak@nokia.com> */
425         .atag_offset    = 0x100,
426         .map_io         = omap16xx_map_io,
427         .init_early     = omap1_init_early,
428         .init_irq       = omap1_init_irq,
429         .init_machine   = h2_init,
430         .init_late      = omap1_init_late,
431         .init_time      = omap1_timer_init,
432         .restart        = omap1_restart,
433 MACHINE_END
434 

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