2 * linux/arch/arm/mach-pxa/mainstone.c
4 * Support for the Intel HCDDBBVA0 Development Platform.
5 * (go figure how they came up with such name...)
7 * Author: Nicolas Pitre
8 * Created: Nov 05, 2002
9 * Copyright: MontaVista Software Inc.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
15 #include <linux/gpio.h>
16 #include <linux/gpio/machine.h>
17 #include <linux/init.h>
18 #include <linux/platform_device.h>
19 #include <linux/syscore_ops.h>
20 #include <linux/interrupt.h>
21 #include <linux/sched.h>
22 #include <linux/bitops.h>
24 #include <linux/ioport.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/input.h>
28 #include <linux/gpio_keys.h>
29 #include <linux/pwm_backlight.h>
30 #include <linux/smc91x.h>
31 #include <linux/i2c/pxa-i2c.h>
32 #include <linux/slab.h>
33 #include <linux/leds.h>
35 #include <asm/types.h>
36 #include <asm/setup.h>
37 #include <asm/memory.h>
38 #include <asm/mach-types.h>
39 #include <mach/hardware.h>
41 #include <asm/sizes.h>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/map.h>
45 #include <asm/mach/irq.h>
46 #include <asm/mach/flash.h>
48 #include <mach/pxa27x.h>
49 #include <mach/mainstone.h>
50 #include <mach/audio.h>
51 #include <linux/platform_data/video-pxafb.h>
52 #include <linux/platform_data/mmc-pxamci.h>
53 #include <linux/platform_data/irda-pxaficp.h>
54 #include <linux/platform_data/usb-ohci-pxa27x.h>
55 #include <linux/platform_data/keypad-pxa27x.h>
56 #include <mach/smemc.h>
61 static unsigned long mainstone_pin_config
[] = {
65 /* LCD - 16bpp Active TFT */
67 GPIO16_PWM0_OUT
, /* Backlight */
95 GPIO29_AC97_SDATA_IN_0
,
96 GPIO30_AC97_SDATA_OUT
,
104 GPIO100_KP_MKIN_0
| WAKEUP_ON_LEVEL_HIGH
,
105 GPIO101_KP_MKIN_1
| WAKEUP_ON_LEVEL_HIGH
,
106 GPIO102_KP_MKIN_2
| WAKEUP_ON_LEVEL_HIGH
,
107 GPIO97_KP_MKIN_3
| WAKEUP_ON_LEVEL_HIGH
,
108 GPIO98_KP_MKIN_4
| WAKEUP_ON_LEVEL_HIGH
,
109 GPIO99_KP_MKIN_5
| WAKEUP_ON_LEVEL_HIGH
,
123 GPIO1_GPIO
| WAKEUP_ON_EDGE_BOTH
,
126 static struct resource smc91x_resources
[] = {
128 .start
= (MST_ETH_PHYS
+ 0x300),
129 .end
= (MST_ETH_PHYS
+ 0xfffff),
130 .flags
= IORESOURCE_MEM
,
133 .start
= MAINSTONE_IRQ(3),
134 .end
= MAINSTONE_IRQ(3),
135 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
139 static struct smc91x_platdata mainstone_smc91x_info
= {
140 .flags
= SMC91X_USE_8BIT
| SMC91X_USE_16BIT
| SMC91X_USE_32BIT
|
141 SMC91X_NOWAIT
| SMC91X_USE_DMA
,
144 static struct platform_device smc91x_device
= {
147 .num_resources
= ARRAY_SIZE(smc91x_resources
),
148 .resource
= smc91x_resources
,
150 .platform_data
= &mainstone_smc91x_info
,
154 static int mst_audio_startup(struct snd_pcm_substream
*substream
, void *priv
)
156 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
157 MST_MSCWR2
&= ~MST_MSCWR2_AC97_SPKROFF
;
161 static void mst_audio_shutdown(struct snd_pcm_substream
*substream
, void *priv
)
163 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
164 MST_MSCWR2
|= MST_MSCWR2_AC97_SPKROFF
;
167 static long mst_audio_suspend_mask
;
169 static void mst_audio_suspend(void *priv
)
171 mst_audio_suspend_mask
= MST_MSCWR2
;
172 MST_MSCWR2
|= MST_MSCWR2_AC97_SPKROFF
;
175 static void mst_audio_resume(void *priv
)
177 MST_MSCWR2
&= mst_audio_suspend_mask
| ~MST_MSCWR2_AC97_SPKROFF
;
180 static pxa2xx_audio_ops_t mst_audio_ops
= {
181 .startup
= mst_audio_startup
,
182 .shutdown
= mst_audio_shutdown
,
183 .suspend
= mst_audio_suspend
,
184 .resume
= mst_audio_resume
,
187 static struct resource flash_resources
[] = {
189 .start
= PXA_CS0_PHYS
,
190 .end
= PXA_CS0_PHYS
+ SZ_64M
- 1,
191 .flags
= IORESOURCE_MEM
,
194 .start
= PXA_CS1_PHYS
,
195 .end
= PXA_CS1_PHYS
+ SZ_64M
- 1,
196 .flags
= IORESOURCE_MEM
,
200 static struct mtd_partition mainstoneflash0_partitions
[] = {
202 .name
= "Bootloader",
205 .mask_flags
= MTD_WRITEABLE
/* force read-only */
209 .offset
= 0x00040000,
211 .name
= "Filesystem",
212 .size
= MTDPART_SIZ_FULL
,
217 static struct flash_platform_data mst_flash_data
[2] = {
219 .map_name
= "cfi_probe",
220 .parts
= mainstoneflash0_partitions
,
221 .nr_parts
= ARRAY_SIZE(mainstoneflash0_partitions
),
223 .map_name
= "cfi_probe",
229 static struct platform_device mst_flash_device
[2] = {
231 .name
= "pxa2xx-flash",
234 .platform_data
= &mst_flash_data
[0],
236 .resource
= &flash_resources
[0],
240 .name
= "pxa2xx-flash",
243 .platform_data
= &mst_flash_data
[1],
245 .resource
= &flash_resources
[1],
250 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
251 static struct platform_pwm_backlight_data mainstone_backlight_data
= {
253 .max_brightness
= 1023,
254 .dft_brightness
= 1023,
255 .pwm_period_ns
= 78770,
259 static struct platform_device mainstone_backlight_device
= {
260 .name
= "pwm-backlight",
262 .parent
= &pxa27x_device_pwm0
.dev
,
263 .platform_data
= &mainstone_backlight_data
,
267 static void __init
mainstone_backlight_register(void)
269 int ret
= platform_device_register(&mainstone_backlight_device
);
271 printk(KERN_ERR
"mainstone: failed to register backlight device: %d\n", ret
);
274 #define mainstone_backlight_register() do { } while (0)
277 static struct pxafb_mode_info toshiba_ltm04c380k_mode
= {
288 .sync
= FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
,
291 static struct pxafb_mode_info toshiba_ltm035a776c_mode
= {
302 .sync
= FB_SYNC_HOR_HIGH_ACT
|FB_SYNC_VERT_HIGH_ACT
,
305 static struct pxafb_mach_info mainstone_pxafb_info
= {
307 .lcd_conn
= LCD_COLOR_TFT_16BPP
| LCD_PCLK_EDGE_FALL
,
310 static int mainstone_mci_init(struct device
*dev
, irq_handler_t mstone_detect_int
, void *data
)
314 /* make sure SD/Memory Stick multiplexer's signals
315 * are routed to MMC controller
317 MST_MSCWR1
&= ~MST_MSCWR1_MS_SEL
;
319 err
= request_irq(MAINSTONE_MMC_IRQ
, mstone_detect_int
, 0,
320 "MMC card detect", data
);
322 printk(KERN_ERR
"mainstone_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
327 static int mainstone_mci_setpower(struct device
*dev
, unsigned int vdd
)
329 struct pxamci_platform_data
* p_d
= dev
->platform_data
;
331 if (( 1 << vdd
) & p_d
->ocr_mask
) {
332 printk(KERN_DEBUG
"%s: on\n", __func__
);
333 MST_MSCWR1
|= MST_MSCWR1_MMC_ON
;
334 MST_MSCWR1
&= ~MST_MSCWR1_MS_SEL
;
336 printk(KERN_DEBUG
"%s: off\n", __func__
);
337 MST_MSCWR1
&= ~MST_MSCWR1_MMC_ON
;
342 static void mainstone_mci_exit(struct device
*dev
, void *data
)
344 free_irq(MAINSTONE_MMC_IRQ
, data
);
347 static struct pxamci_platform_data mainstone_mci_platform_data
= {
348 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
349 .init
= mainstone_mci_init
,
350 .setpower
= mainstone_mci_setpower
,
351 .exit
= mainstone_mci_exit
,
352 .gpio_card_detect
= -1,
357 static void mainstone_irda_transceiver_mode(struct device
*dev
, int mode
)
361 local_irq_save(flags
);
362 if (mode
& IR_SIRMODE
) {
363 MST_MSCWR1
&= ~MST_MSCWR1_IRDA_FIR
;
364 } else if (mode
& IR_FIRMODE
) {
365 MST_MSCWR1
|= MST_MSCWR1_IRDA_FIR
;
367 pxa2xx_transceiver_mode(dev
, mode
);
369 MST_MSCWR1
= (MST_MSCWR1
& ~MST_MSCWR1_IRDA_MASK
) | MST_MSCWR1_IRDA_OFF
;
371 MST_MSCWR1
= (MST_MSCWR1
& ~MST_MSCWR1_IRDA_MASK
) | MST_MSCWR1_IRDA_FULL
;
373 local_irq_restore(flags
);
376 static struct pxaficp_platform_data mainstone_ficp_platform_data
= {
378 .transceiver_cap
= IR_SIRMODE
| IR_FIRMODE
| IR_OFF
,
379 .transceiver_mode
= mainstone_irda_transceiver_mode
,
382 static struct gpio_keys_button gpio_keys_button
[] = {
392 static struct gpio_keys_platform_data mainstone_gpio_keys
= {
393 .buttons
= gpio_keys_button
,
397 static struct platform_device mst_gpio_keys_device
= {
401 .platform_data
= &mainstone_gpio_keys
,
405 static struct resource mst_cplds_resources
[] = {
407 .start
= MST_FPGA_PHYS
+ 0xc0,
408 .end
= MST_FPGA_PHYS
+ 0xe0 - 1,
409 .flags
= IORESOURCE_MEM
,
412 .start
= PXA_GPIO_TO_IRQ(0),
413 .end
= PXA_GPIO_TO_IRQ(0),
414 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
417 .start
= MAINSTONE_IRQ(0),
418 .end
= MAINSTONE_IRQ(15),
419 .flags
= IORESOURCE_IRQ
,
423 static struct platform_device mst_cplds_device
= {
424 .name
= "pxa_cplds_irqs",
426 .resource
= &mst_cplds_resources
[0],
430 static struct platform_device
*platform_devices
[] __initdata
= {
432 &mst_flash_device
[0],
433 &mst_flash_device
[1],
434 &mst_gpio_keys_device
,
438 static struct pxaohci_platform_data mainstone_ohci_platform_data
= {
439 .port_mode
= PMM_PERPORT_MODE
,
440 .flags
= ENABLE_PORT_ALL
| POWER_CONTROL_LOW
| POWER_SENSE_LOW
,
443 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
444 static const unsigned int mainstone_matrix_keys
[] = {
445 KEY(0, 0, KEY_A
), KEY(1, 0, KEY_B
), KEY(2, 0, KEY_C
),
446 KEY(3, 0, KEY_D
), KEY(4, 0, KEY_E
), KEY(5, 0, KEY_F
),
447 KEY(0, 1, KEY_G
), KEY(1, 1, KEY_H
), KEY(2, 1, KEY_I
),
448 KEY(3, 1, KEY_J
), KEY(4, 1, KEY_K
), KEY(5, 1, KEY_L
),
449 KEY(0, 2, KEY_M
), KEY(1, 2, KEY_N
), KEY(2, 2, KEY_O
),
450 KEY(3, 2, KEY_P
), KEY(4, 2, KEY_Q
), KEY(5, 2, KEY_R
),
451 KEY(0, 3, KEY_S
), KEY(1, 3, KEY_T
), KEY(2, 3, KEY_U
),
452 KEY(3, 3, KEY_V
), KEY(4, 3, KEY_W
), KEY(5, 3, KEY_X
),
453 KEY(2, 4, KEY_Y
), KEY(3, 4, KEY_Z
),
455 KEY(0, 4, KEY_DOT
), /* . */
456 KEY(1, 4, KEY_CLOSE
), /* @ */
457 KEY(4, 4, KEY_SLASH
),
458 KEY(5, 4, KEY_BACKSLASH
),
460 KEY(1, 5, KEY_LEFTSHIFT
),
461 KEY(2, 5, KEY_SPACE
),
462 KEY(3, 5, KEY_SPACE
),
463 KEY(4, 5, KEY_ENTER
),
464 KEY(5, 5, KEY_BACKSPACE
),
469 KEY(3, 6, KEY_RIGHT
),
470 KEY(4, 6, KEY_SELECT
),
473 static struct matrix_keymap_data mainstone_matrix_keymap_data
= {
474 .keymap
= mainstone_matrix_keys
,
475 .keymap_size
= ARRAY_SIZE(mainstone_matrix_keys
),
478 struct pxa27x_keypad_platform_data mainstone_keypad_info
= {
479 .matrix_key_rows
= 6,
480 .matrix_key_cols
= 7,
481 .matrix_keymap_data
= &mainstone_matrix_keymap_data
,
484 .rotary0_up_key
= KEY_UP
,
485 .rotary0_down_key
= KEY_DOWN
,
487 .debounce_interval
= 30,
490 static void __init
mainstone_init_keypad(void)
492 pxa_set_keypad_info(&mainstone_keypad_info
);
495 static inline void mainstone_init_keypad(void) {}
498 static void __init
mainstone_init(void)
500 int SW7
= 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
502 pxa2xx_mfp_config(ARRAY_AND_SIZE(mainstone_pin_config
));
504 pxa_set_ffuart_info(NULL
);
505 pxa_set_btuart_info(NULL
);
506 pxa_set_stuart_info(NULL
);
508 mst_flash_data
[0].width
= (__raw_readl(BOOT_DEF
) & 1) ? 2 : 4;
509 mst_flash_data
[1].width
= 4;
511 /* Compensate for SW7 which swaps the flash banks */
512 mst_flash_data
[SW7
].name
= "processor-flash";
513 mst_flash_data
[SW7
^ 1].name
= "mainboard-flash";
515 printk(KERN_NOTICE
"Mainstone configured to boot from %s\n",
516 mst_flash_data
[0].name
);
518 /* system bus arbiter setting
520 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
522 ARB_CNTRL
= ARB_CORE_PARK
| 0x234;
524 platform_add_devices(platform_devices
, ARRAY_SIZE(platform_devices
));
526 /* reading Mainstone's "Virtual Configuration Register"
527 might be handy to select LCD type here */
529 mainstone_pxafb_info
.modes
= &toshiba_ltm04c380k_mode
;
531 mainstone_pxafb_info
.modes
= &toshiba_ltm035a776c_mode
;
533 pxa_set_fb_info(NULL
, &mainstone_pxafb_info
);
534 mainstone_backlight_register();
536 pxa_set_mci_info(&mainstone_mci_platform_data
);
537 pxa_set_ficp_info(&mainstone_ficp_platform_data
);
538 pxa_set_ohci_info(&mainstone_ohci_platform_data
);
539 pxa_set_i2c_info(NULL
);
540 pxa_set_ac97_info(&mst_audio_ops
);
542 mainstone_init_keypad();
546 static struct map_desc mainstone_io_desc
[] __initdata
= {
548 .virtual = MST_FPGA_VIRT
,
549 .pfn
= __phys_to_pfn(MST_FPGA_PHYS
),
550 .length
= 0x00100000,
555 static void __init
mainstone_map_io(void)
558 iotable_init(mainstone_io_desc
, ARRAY_SIZE(mainstone_io_desc
));
560 /* for use I SRAM as framebuffer. */
566 * Driver for the 8 discrete LEDs available for general use:
567 * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays
568 * so be sure to not monkey with them here.
571 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
572 struct mainstone_led
{
573 struct led_classdev cdev
;
578 * The triggers lines up below will only be used if the
579 * LED triggers are compiled in.
581 static const struct {
584 } mainstone_leds
[] = {
585 { "mainstone:D28", "default-on", },
586 { "mainstone:D27", "cpu0", },
587 { "mainstone:D26", "heartbeat" },
588 { "mainstone:D25", },
589 { "mainstone:D24", },
590 { "mainstone:D23", },
591 { "mainstone:D22", },
592 { "mainstone:D21", },
595 static void mainstone_led_set(struct led_classdev
*cdev
,
596 enum led_brightness b
)
598 struct mainstone_led
*led
= container_of(cdev
,
599 struct mainstone_led
, cdev
);
600 u32 reg
= MST_LEDCTRL
;
610 static enum led_brightness
mainstone_led_get(struct led_classdev
*cdev
)
612 struct mainstone_led
*led
= container_of(cdev
,
613 struct mainstone_led
, cdev
);
614 u32 reg
= MST_LEDCTRL
;
616 return (reg
& led
->mask
) ? LED_FULL
: LED_OFF
;
619 static int __init
mainstone_leds_init(void)
623 if (!machine_is_mainstone())
628 for (i
= 0; i
< ARRAY_SIZE(mainstone_leds
); i
++) {
629 struct mainstone_led
*led
;
631 led
= kzalloc(sizeof(*led
), GFP_KERNEL
);
635 led
->cdev
.name
= mainstone_leds
[i
].name
;
636 led
->cdev
.brightness_set
= mainstone_led_set
;
637 led
->cdev
.brightness_get
= mainstone_led_get
;
638 led
->cdev
.default_trigger
= mainstone_leds
[i
].trigger
;
641 if (led_classdev_register(NULL
, &led
->cdev
) < 0) {
651 * Since we may have triggers on any subsystem, defer registration
652 * until after subsystem_init.
654 fs_initcall(mainstone_leds_init
);
657 MACHINE_START(MAINSTONE
, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
658 /* Maintainer: MontaVista Software Inc. */
659 .atag_offset
= 0x100, /* BLOB boot parameter setting */
660 .map_io
= mainstone_map_io
,
661 .nr_irqs
= MAINSTONE_NR_IRQS
,
662 .init_irq
= pxa27x_init_irq
,
663 .handle_irq
= pxa27x_handle_irq
,
664 .init_time
= pxa_timer_init
,
665 .init_machine
= mainstone_init
,
666 .restart
= pxa_restart
,