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/mtd/mtd.h>
25 #include <linux/mtd/nand.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/input.h>
29 #include <asm/setup.h>
31 #include <asm/hardware.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/flash.h>
35 #include <asm/mach/map.h>
37 #include <asm/arch/gpio.h>
38 #include <asm/arch/gpioexpander.h>
39 #include <asm/arch/irqs.h>
40 #include <asm/arch/mux.h>
41 #include <asm/arch/tc.h>
42 #include <asm/arch/irda.h>
43 #include <asm/arch/usb.h>
44 #include <asm/arch/keypad.h>
45 #include <asm/arch/dma.h>
46 #include <asm/arch/common.h>
48 extern int omap_gpio_init(void);
50 static int h3_keymap
[] = {
90 static struct mtd_partition nor_partitions
[] = {
91 /* bootloader (U-Boot, etc) in first sector */
96 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
98 /* bootloader params in the next sector */
101 .offset
= MTDPART_OFS_APPEND
,
108 .offset
= MTDPART_OFS_APPEND
,
114 .name
= "filesystem",
115 .offset
= MTDPART_OFS_APPEND
,
116 .size
= MTDPART_SIZ_FULL
,
121 static struct flash_platform_data nor_data
= {
122 .map_name
= "cfi_probe",
124 .parts
= nor_partitions
,
125 .nr_parts
= ARRAY_SIZE(nor_partitions
),
128 static struct resource nor_resource
= {
129 /* This is on CS3, wherever it's mapped */
130 .flags
= IORESOURCE_MEM
,
133 static struct platform_device nor_device
= {
137 .platform_data
= &nor_data
,
140 .resource
= &nor_resource
,
143 static struct mtd_partition nand_partitions
[] = {
145 /* REVISIT: enable these partitions if you make NAND BOOT work */
150 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
153 .name
= "bootloader",
154 .offset
= MTDPART_OFS_APPEND
,
156 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
160 .offset
= MTDPART_OFS_APPEND
,
165 .offset
= MTDPART_OFS_APPEND
,
170 .name
= "filesystem",
171 .size
= MTDPART_SIZ_FULL
,
172 .offset
= MTDPART_OFS_APPEND
,
176 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
177 static struct nand_platform_data nand_data
= {
178 .options
= NAND_SAMSUNG_LP_OPTIONS
,
179 .parts
= nand_partitions
,
180 .nr_parts
= ARRAY_SIZE(nand_partitions
),
183 static struct resource nand_resource
= {
184 .flags
= IORESOURCE_MEM
,
187 static struct platform_device nand_device
= {
191 .platform_data
= &nand_data
,
194 .resource
= &nand_resource
,
197 static struct resource smc91x_resources
[] = {
199 .start
= OMAP1710_ETHR_START
, /* Physical */
200 .end
= OMAP1710_ETHR_START
+ 0xf,
201 .flags
= IORESOURCE_MEM
,
204 .start
= OMAP_GPIO_IRQ(40),
205 .end
= OMAP_GPIO_IRQ(40),
206 .flags
= IORESOURCE_IRQ
,
210 static struct platform_device smc91x_device
= {
213 .num_resources
= ARRAY_SIZE(smc91x_resources
),
214 .resource
= smc91x_resources
,
217 #define GPTIMER_BASE 0xFFFB1400
218 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
219 #define GPTIMER_REGS_SIZE 0x46
221 static struct resource intlat_resources
[] = {
223 .start
= GPTIMER_REGS(0), /* Physical */
224 .end
= GPTIMER_REGS(0) + GPTIMER_REGS_SIZE
,
225 .flags
= IORESOURCE_MEM
,
228 .start
= INT_1610_GPTIMER1
,
229 .end
= INT_1610_GPTIMER1
,
230 .flags
= IORESOURCE_IRQ
,
234 static struct platform_device intlat_device
= {
235 .name
= "omap_intlat",
237 .num_resources
= ARRAY_SIZE(intlat_resources
),
238 .resource
= intlat_resources
,
241 static struct resource h3_kp_resources
[] = {
243 .start
= INT_KEYBOARD
,
245 .flags
= IORESOURCE_IRQ
,
249 static struct omap_kp_platform_data h3_kp_data
= {
256 static struct platform_device h3_kp_device
= {
257 .name
= "omap-keypad",
260 .platform_data
= &h3_kp_data
,
262 .num_resources
= ARRAY_SIZE(h3_kp_resources
),
263 .resource
= h3_kp_resources
,
267 /* Select between the IrDA and aGPS module
269 static int h3_select_irda(struct device
*dev
, int state
)
274 if ((err
= read_gpio_expa(&expa
, 0x26))) {
275 printk(KERN_ERR
"Error reading from I/O EXPANDER \n");
279 /* 'P6' enable/disable IRDA_TX and IRDA_RX */
280 if (state
& IR_SEL
) { /* IrDA */
281 if ((err
= write_gpio_expa(expa
| 0x40, 0x26))) {
282 printk(KERN_ERR
"Error writing to I/O EXPANDER \n");
286 if ((err
= write_gpio_expa(expa
& ~0x40, 0x26))) {
287 printk(KERN_ERR
"Error writing to I/O EXPANDER \n");
294 static void set_trans_mode(void *data
)
300 if ((err
= read_gpio_expa(&expa
, 0x27)) != 0) {
301 printk(KERN_ERR
"Error reading from I/O expander\n");
306 if (*mode
& IR_SIRMODE
) {
308 } else { /* MIR/FIR */
312 if ((err
= write_gpio_expa(expa
, 0x27)) != 0) {
313 printk(KERN_ERR
"Error writing to I/O expander\n");
317 static int h3_transceiver_mode(struct device
*dev
, int mode
)
319 struct omap_irda_config
*irda_config
= dev
->platform_data
;
321 cancel_delayed_work(&irda_config
->gpio_expa
);
322 PREPARE_WORK(&irda_config
->gpio_expa
, set_trans_mode
, &mode
);
323 schedule_work(&irda_config
->gpio_expa
);
328 static struct omap_irda_config h3_irda_data
= {
329 .transceiver_cap
= IR_SIRMODE
| IR_MIRMODE
| IR_FIRMODE
,
330 .transceiver_mode
= h3_transceiver_mode
,
331 .select_irda
= h3_select_irda
,
332 .rx_channel
= OMAP_DMA_UART3_RX
,
333 .tx_channel
= OMAP_DMA_UART3_TX
,
334 .dest_start
= UART3_THR
,
335 .src_start
= UART3_RHR
,
340 static struct resource h3_irda_resources
[] = {
344 .flags
= IORESOURCE_IRQ
,
348 static struct platform_device h3_irda_device
= {
352 .platform_data
= &h3_irda_data
,
354 .num_resources
= ARRAY_SIZE(h3_irda_resources
),
355 .resource
= h3_irda_resources
,
358 static struct platform_device h3_lcd_device
= {
363 static struct platform_device
*devices
[] __initdata
= {
373 static struct omap_usb_config h3_usb_config __initdata
= {
374 /* usb1 has a Mini-AB port and external isp1301 transceiver */
377 #ifdef CONFIG_USB_GADGET_OMAP
378 .hmc_mode
= 19, /* 0:host(off) 1:dev|otg 2:disabled */
379 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
380 /* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
381 .hmc_mode
= 20, /* 1:dev|otg(off) 1:host 2:disabled */
387 static struct omap_mmc_config h3_mmc_config __initdata
= {
390 .power_pin
= -1, /* tps65010 GPIO4 */
391 .switch_pin
= OMAP_MPUIO(1),
395 static struct omap_uart_config h3_uart_config __initdata
= {
396 .enabled_uarts
= ((1 << 0) | (1 << 1) | (1 << 2)),
399 static struct omap_lcd_config h3_lcd_config __initdata
= {
400 .ctrl_name
= "internal",
403 static struct omap_board_config_kernel h3_config
[] = {
404 { OMAP_TAG_USB
, &h3_usb_config
},
405 { OMAP_TAG_MMC
, &h3_mmc_config
},
406 { OMAP_TAG_UART
, &h3_uart_config
},
407 { OMAP_TAG_LCD
, &h3_lcd_config
},
410 #define H3_NAND_RB_GPIO_PIN 10
412 static int nand_dev_ready(struct nand_platform_data
*data
)
414 return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN
);
417 static void __init
h3_init(void)
419 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
420 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
421 * notice whether a NAND chip is enabled at probe time.
423 * H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
424 * (which on H2 may be 16bit) on CS3. Try detecting that in code here,
425 * to avoid probing every possible flash configuration...
427 nor_resource
.end
= nor_resource
.start
= omap_cs3_phys();
428 nor_resource
.end
+= SZ_32M
- 1;
430 nand_resource
.end
= nand_resource
.start
= OMAP_CS2B_PHYS
;
431 nand_resource
.end
+= SZ_4K
- 1;
432 if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN
)))
433 nand_data
.dev_ready
= nand_dev_ready
;
435 /* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
436 /* GPIO10 pullup/down register, Enable pullup on GPIO10 */
437 omap_cfg_reg(V2_1710_GPIO10
);
439 platform_add_devices(devices
, ARRAY_SIZE(devices
));
440 omap_board_config
= h3_config
;
441 omap_board_config_size
= ARRAY_SIZE(h3_config
);
445 static void __init
h3_init_smc91x(void)
447 omap_cfg_reg(W15_1710_GPIO40
);
448 if (omap_request_gpio(40) < 0) {
449 printk("Error requesting gpio 40 for smc91x irq\n");
454 void h3_init_irq(void)
456 omap1_init_common_hw();
462 static void __init
h3_map_io(void)
464 omap1_map_common_io();
467 MACHINE_START(OMAP_H3
, "TI OMAP1710 H3 board")
468 /* Maintainer: Texas Instruments, Inc. */
469 .phys_io
= 0xfff00000,
470 .io_pg_offst
= ((0xfef00000) >> 18) & 0xfffc,
471 .boot_params
= 0x10000100,
473 .init_irq
= h3_init_irq
,
474 .init_machine
= h3_init
,
475 .timer
= &omap_timer
,