2 * linux/arch/arm/mach-omap1/board-h3.c
4 * This file contains OMAP1710 H3 specific code.
6 * Copyright (C) 2004 Texas Instruments, Inc.
7 * Copyright (C) 2002 MontaVista Software, Inc.
8 * Copyright (C) 2001 RidgeRun, Inc.
9 * Author: RidgeRun, Inc.
10 * Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.com
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
17 #include <linux/types.h>
18 #include <linux/init.h>
19 #include <linux/major.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/errno.h>
23 #include <linux/workqueue.h>
24 #include <linux/i2c.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/nand.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/input.h>
29 #include <linux/spi/spi.h>
30 #include <linux/i2c/tps65010.h>
32 #include <asm/setup.h>
34 #include <mach/hardware.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/flash.h>
40 #include <asm/mach/map.h>
42 #include <mach/gpioexpander.h>
43 #include <mach/irqs.h>
46 #include <mach/nand.h>
47 #include <mach/irda.h>
49 #include <mach/keypad.h>
51 #include <mach/common.h>
55 static int h3_keymap
[] = {
95 static struct mtd_partition nor_partitions
[] = {
96 /* bootloader (U-Boot, etc) in first sector */
101 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
103 /* bootloader params in the next sector */
106 .offset
= MTDPART_OFS_APPEND
,
113 .offset
= MTDPART_OFS_APPEND
,
119 .name
= "filesystem",
120 .offset
= MTDPART_OFS_APPEND
,
121 .size
= MTDPART_SIZ_FULL
,
126 static struct flash_platform_data nor_data
= {
127 .map_name
= "cfi_probe",
129 .parts
= nor_partitions
,
130 .nr_parts
= ARRAY_SIZE(nor_partitions
),
133 static struct resource nor_resource
= {
134 /* This is on CS3, wherever it's mapped */
135 .flags
= IORESOURCE_MEM
,
138 static struct platform_device nor_device
= {
142 .platform_data
= &nor_data
,
145 .resource
= &nor_resource
,
148 static struct mtd_partition nand_partitions
[] = {
150 /* REVISIT: enable these partitions if you make NAND BOOT work */
155 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
158 .name
= "bootloader",
159 .offset
= MTDPART_OFS_APPEND
,
161 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
165 .offset
= MTDPART_OFS_APPEND
,
170 .offset
= MTDPART_OFS_APPEND
,
175 .name
= "filesystem",
176 .size
= MTDPART_SIZ_FULL
,
177 .offset
= MTDPART_OFS_APPEND
,
181 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
182 static struct omap_nand_platform_data nand_data
= {
183 .options
= NAND_SAMSUNG_LP_OPTIONS
,
184 .parts
= nand_partitions
,
185 .nr_parts
= ARRAY_SIZE(nand_partitions
),
188 static struct resource nand_resource
= {
189 .flags
= IORESOURCE_MEM
,
192 static struct platform_device nand_device
= {
196 .platform_data
= &nand_data
,
199 .resource
= &nand_resource
,
202 static struct resource smc91x_resources
[] = {
204 .start
= OMAP1710_ETHR_START
, /* Physical */
205 .end
= OMAP1710_ETHR_START
+ 0xf,
206 .flags
= IORESOURCE_MEM
,
209 .start
= OMAP_GPIO_IRQ(40),
210 .end
= OMAP_GPIO_IRQ(40),
211 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
215 static struct platform_device smc91x_device
= {
218 .num_resources
= ARRAY_SIZE(smc91x_resources
),
219 .resource
= smc91x_resources
,
222 #define GPTIMER_BASE 0xFFFB1400
223 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
224 #define GPTIMER_REGS_SIZE 0x46
226 static struct resource intlat_resources
[] = {
228 .start
= GPTIMER_REGS(0), /* Physical */
229 .end
= GPTIMER_REGS(0) + GPTIMER_REGS_SIZE
,
230 .flags
= IORESOURCE_MEM
,
233 .start
= INT_1610_GPTIMER1
,
234 .end
= INT_1610_GPTIMER1
,
235 .flags
= IORESOURCE_IRQ
,
239 static struct platform_device intlat_device
= {
240 .name
= "omap_intlat",
242 .num_resources
= ARRAY_SIZE(intlat_resources
),
243 .resource
= intlat_resources
,
246 static struct resource h3_kp_resources
[] = {
248 .start
= INT_KEYBOARD
,
250 .flags
= IORESOURCE_IRQ
,
254 static struct omap_kp_platform_data h3_kp_data
= {
258 .keymapsize
= ARRAY_SIZE(h3_keymap
),
264 static struct platform_device h3_kp_device
= {
265 .name
= "omap-keypad",
268 .platform_data
= &h3_kp_data
,
270 .num_resources
= ARRAY_SIZE(h3_kp_resources
),
271 .resource
= h3_kp_resources
,
275 /* Select between the IrDA and aGPS module
277 static int h3_select_irda(struct device
*dev
, int state
)
282 if ((err
= read_gpio_expa(&expa
, 0x26))) {
283 printk(KERN_ERR
"Error reading from I/O EXPANDER \n");
287 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
288 if (state
& IR_SEL
) { /* IrDA */
289 if ((err
= write_gpio_expa(expa
| 0x40, 0x26))) {
290 printk(KERN_ERR
"Error writing to I/O EXPANDER \n");
294 if ((err
= write_gpio_expa(expa
& ~0x40, 0x26))) {
295 printk(KERN_ERR
"Error writing to I/O EXPANDER \n");
302 static void set_trans_mode(struct work_struct
*work
)
304 struct omap_irda_config
*irda_config
=
305 container_of(work
, struct omap_irda_config
, gpio_expa
.work
);
306 int mode
= irda_config
->mode
;
310 if ((err
= read_gpio_expa(&expa
, 0x27)) != 0) {
311 printk(KERN_ERR
"Error reading from I/O expander\n");
316 if (mode
& IR_SIRMODE
) {
318 } else { /* MIR/FIR */
322 if ((err
= write_gpio_expa(expa
, 0x27)) != 0) {
323 printk(KERN_ERR
"Error writing to I/O expander\n");
327 static int h3_transceiver_mode(struct device
*dev
, int mode
)
329 struct omap_irda_config
*irda_config
= dev
->platform_data
;
331 irda_config
->mode
= mode
;
332 cancel_delayed_work(&irda_config
->gpio_expa
);
333 PREPARE_DELAYED_WORK(&irda_config
->gpio_expa
, set_trans_mode
);
334 schedule_delayed_work(&irda_config
->gpio_expa
, 0);
339 static struct omap_irda_config h3_irda_data
= {
340 .transceiver_cap
= IR_SIRMODE
| IR_MIRMODE
| IR_FIRMODE
,
341 .transceiver_mode
= h3_transceiver_mode
,
342 .select_irda
= h3_select_irda
,
343 .rx_channel
= OMAP_DMA_UART3_RX
,
344 .tx_channel
= OMAP_DMA_UART3_TX
,
345 .dest_start
= UART3_THR
,
346 .src_start
= UART3_RHR
,
351 static struct resource h3_irda_resources
[] = {
355 .flags
= IORESOURCE_IRQ
,
359 static u64 irda_dmamask
= 0xffffffff;
361 static struct platform_device h3_irda_device
= {
365 .platform_data
= &h3_irda_data
,
366 .dma_mask
= &irda_dmamask
,
368 .num_resources
= ARRAY_SIZE(h3_irda_resources
),
369 .resource
= h3_irda_resources
,
372 static struct platform_device h3_lcd_device
= {
377 static struct spi_board_info h3_spi_board_info
[] __initdata
= {
379 .modalias
= "tsc2101",
382 .irq
= OMAP_GPIO_IRQ(H3_TS_GPIO
),
383 .max_speed_hz
= 16000000,
384 /* .platform_data = &tsc_platform_data, */
388 static struct platform_device
*devices
[] __initdata
= {
398 static struct omap_usb_config h3_usb_config __initdata
= {
399 /* usb1 has a Mini-AB port and external isp1301 transceiver */
402 #ifdef CONFIG_USB_GADGET_OMAP
403 .hmc_mode
= 19, /* 0:host(off) 1:dev|otg 2:disabled */
404 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
405 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
406 .hmc_mode
= 20, /* 1:dev|otg(off) 1:host 2:disabled */
412 static struct omap_uart_config h3_uart_config __initdata
= {
413 .enabled_uarts
= ((1 << 0) | (1 << 1) | (1 << 2)),
416 static struct omap_lcd_config h3_lcd_config __initdata
= {
417 .ctrl_name
= "internal",
420 static struct omap_board_config_kernel h3_config
[] __initdata
= {
421 { OMAP_TAG_USB
, &h3_usb_config
},
422 { OMAP_TAG_UART
, &h3_uart_config
},
423 { OMAP_TAG_LCD
, &h3_lcd_config
},
426 static struct i2c_board_info __initdata h3_i2c_board_info
[] = {
428 I2C_BOARD_INFO("tps65013", 0x48),
429 /* .irq = OMAP_GPIO_IRQ(??), */
432 I2C_BOARD_INFO("isp1301_omap", 0x2d),
433 .irq
= OMAP_GPIO_IRQ(14),
437 #define H3_NAND_RB_GPIO_PIN 10
439 static int nand_dev_ready(struct omap_nand_platform_data
*data
)
441 return gpio_get_value(H3_NAND_RB_GPIO_PIN
);
444 static void __init
h3_init(void)
446 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
447 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
448 * notice whether a NAND chip is enabled at probe time.
450 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
451 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
452 * to avoid probing every possible flash configuration...
454 nor_resource
.end
= nor_resource
.start
= omap_cs3_phys();
455 nor_resource
.end
+= SZ_32M
- 1;
457 nand_resource
.end
= nand_resource
.start
= OMAP_CS2B_PHYS
;
458 nand_resource
.end
+= SZ_4K
- 1;
459 if (gpio_request(H3_NAND_RB_GPIO_PIN
, "NAND ready") < 0)
461 nand_data
.dev_ready
= nand_dev_ready
;
463 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
464 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
465 omap_cfg_reg(V2_1710_GPIO10
);
467 platform_add_devices(devices
, ARRAY_SIZE(devices
));
468 spi_register_board_info(h3_spi_board_info
,
469 ARRAY_SIZE(h3_spi_board_info
));
470 omap_board_config
= h3_config
;
471 omap_board_config_size
= ARRAY_SIZE(h3_config
);
473 omap_register_i2c_bus(1, 100, h3_i2c_board_info
,
474 ARRAY_SIZE(h3_i2c_board_info
));
478 static void __init
h3_init_smc91x(void)
480 omap_cfg_reg(W15_1710_GPIO40
);
481 if (gpio_request(40, "SMC91x irq") < 0) {
482 printk("Error requesting gpio 40 for smc91x irq\n");
487 static void __init
h3_init_irq(void)
489 omap1_init_common_hw();
495 static void __init
h3_map_io(void)
497 omap1_map_common_io();
500 MACHINE_START(OMAP_H3
, "TI OMAP1710 H3 board")
501 /* Maintainer: Texas Instruments, Inc. */
502 .phys_io
= 0xfff00000,
503 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
504 .boot_params
= 0x10000100,
506 .init_irq
= h3_init_irq
,
507 .init_machine
= h3_init
,
508 .timer
= &omap_timer
,