1 /* linux/arch/arm/mach-s3c2410/mach-jive.c
3 * Copyright 2007 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
13 #include <linux/kernel.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/list.h>
17 #include <linux/timer.h>
18 #include <linux/init.h>
19 #include <linux/gpio.h>
20 #include <linux/syscore_ops.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
23 #include <linux/i2c.h>
25 #include <video/ili9320.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/spi_gpio.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
34 #include <plat/regs-serial.h>
35 #include <linux/platform_data/mtd-nand-s3c2410.h>
36 #include <linux/platform_data/i2c-s3c2410.h>
38 #include <mach/regs-gpio.h>
39 #include <mach/regs-lcd.h>
41 #include <mach/gpio-samsung.h>
43 #include <asm/mach-types.h>
45 #include <linux/mtd/mtd.h>
46 #include <linux/mtd/nand.h>
47 #include <linux/mtd/nand_ecc.h>
48 #include <linux/mtd/partitions.h>
50 #include <plat/gpio-cfg.h>
51 #include <plat/clock.h>
52 #include <plat/devs.h>
55 #include <linux/platform_data/usb-s3c2410_udc.h>
56 #include <plat/samsung-time.h>
59 #include "s3c2412-power.h"
61 static struct map_desc jive_iodesc
[] __initdata
= {
64 #define UCON S3C2410_UCON_DEFAULT
65 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
66 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
68 static struct s3c2410_uartcfg jive_uartcfgs
[] = {
92 /* Jive flash assignment
94 * 0x00000000-0x00028000 : uboot
95 * 0x00028000-0x0002c000 : uboot env
96 * 0x0002c000-0x00030000 : spare
97 * 0x00030000-0x00200000 : zimage A
98 * 0x00200000-0x01600000 : cramfs A
99 * 0x01600000-0x017d0000 : zimage B
100 * 0x017d0000-0x02bd0000 : cramfs B
101 * 0x02bd0000-0x03fd0000 : yaffs
103 static struct mtd_partition __initdata jive_imageA_nand_part
[] = {
105 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
106 /* Don't allow access to the bootloader from linux */
110 .size
= (160 * SZ_1K
),
111 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
117 .offset
= (176 * SZ_1K
),
118 .size
= (16 * SZ_1K
),
124 .name
= "kernel (ro)",
125 .offset
= (192 * SZ_1K
),
126 .size
= (SZ_2M
) - (192 * SZ_1K
),
127 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
131 .size
= (20 * SZ_1M
),
132 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
138 .offset
= (44 * SZ_1M
),
139 .size
= (20 * SZ_1M
),
142 /* bootloader environment */
145 .offset
= (160 * SZ_1K
),
146 .size
= (16 * SZ_1K
),
152 .offset
= (22 * SZ_1M
),
153 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
156 .offset
= (24 * SZ_1M
) - (192*SZ_1K
),
157 .size
= (20 * SZ_1M
),
161 static struct mtd_partition __initdata jive_imageB_nand_part
[] = {
163 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
164 /* Don't allow access to the bootloader from linux */
168 .size
= (160 * SZ_1K
),
169 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
175 .offset
= (176 * SZ_1K
),
176 .size
= (16 * SZ_1K
),
182 .name
= "kernel (ro)",
183 .offset
= (22 * SZ_1M
),
184 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
185 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
189 .offset
= (24 * SZ_1M
) - (192 * SZ_1K
),
190 .size
= (20 * SZ_1M
),
191 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
197 .offset
= (44 * SZ_1M
),
198 .size
= (20 * SZ_1M
),
201 /* bootloader environment */
204 .offset
= (160 * SZ_1K
),
205 .size
= (16 * SZ_1K
),
211 .offset
= (192 * SZ_1K
),
212 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
215 .offset
= (2 * SZ_1M
),
216 .size
= (20 * SZ_1M
),
220 static struct s3c2410_nand_set __initdata jive_nand_sets
[] = {
224 .nr_partitions
= ARRAY_SIZE(jive_imageA_nand_part
),
225 .partitions
= jive_imageA_nand_part
,
229 static struct s3c2410_platform_nand __initdata jive_nand_info
= {
230 /* set taken from osiris nand timings, possibly still conservative */
234 .sets
= jive_nand_sets
,
235 .nr_sets
= ARRAY_SIZE(jive_nand_sets
),
238 static int __init
jive_mtdset(char *options
)
240 struct s3c2410_nand_set
*nand
= &jive_nand_sets
[0];
243 if (options
== NULL
|| options
[0] == '\0')
246 if (strict_strtoul(options
, 10, &set
)) {
247 printk(KERN_ERR
"failed to parse mtdset=%s\n", options
);
253 nand
->nr_partitions
= ARRAY_SIZE(jive_imageB_nand_part
);
254 nand
->partitions
= jive_imageB_nand_part
;
256 /* this is already setup in the nand info */
259 printk(KERN_ERR
"Unknown mtd set %ld specified,"
260 "using default.", set
);
266 /* parse the mtdset= option given to the kernel command line */
267 __setup("mtdset=", jive_mtdset
);
269 /* LCD timing and setup */
271 #define LCD_XRES (240)
272 #define LCD_YRES (320)
273 #define LCD_LEFT_MARGIN (12)
274 #define LCD_RIGHT_MARGIN (12)
275 #define LCD_LOWER_MARGIN (12)
276 #define LCD_UPPER_MARGIN (12)
277 #define LCD_VSYNC (2)
278 #define LCD_HSYNC (2)
280 #define LCD_REFRESH (60)
282 #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
283 #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
285 static struct s3c2410fb_display jive_vgg2432a4_display
[] = {
291 .left_margin
= LCD_LEFT_MARGIN
,
292 .right_margin
= LCD_RIGHT_MARGIN
,
293 .upper_margin
= LCD_UPPER_MARGIN
,
294 .lower_margin
= LCD_LOWER_MARGIN
,
295 .hsync_len
= LCD_HSYNC
,
296 .vsync_len
= LCD_VSYNC
,
298 .pixclock
= (1000000000000LL /
299 (LCD_REFRESH
* LCD_HTOT
* LCD_VTOT
)),
302 .type
= (S3C2410_LCDCON1_TFT16BPP
|
303 S3C2410_LCDCON1_TFT
),
305 .lcdcon5
= (S3C2410_LCDCON5_FRM565
|
306 S3C2410_LCDCON5_INVVLINE
|
307 S3C2410_LCDCON5_INVVFRAME
|
308 S3C2410_LCDCON5_INVVDEN
|
309 S3C2410_LCDCON5_PWREN
),
313 /* todo - put into gpio header */
315 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
316 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
318 static struct s3c2410fb_mach_info jive_lcd_config
= {
319 .displays
= jive_vgg2432a4_display
,
320 .num_displays
= ARRAY_SIZE(jive_vgg2432a4_display
),
321 .default_display
= 0,
323 /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
324 * and disable the pull down resistors on pins we are using for LCD
327 .gpcup
= (0xf << 1) | (0x3f << 10),
329 .gpccon
= (S3C2410_GPC1_VCLK
| S3C2410_GPC2_VLINE
|
330 S3C2410_GPC3_VFRAME
| S3C2410_GPC4_VM
|
331 S3C2410_GPC10_VD2
| S3C2410_GPC11_VD3
|
332 S3C2410_GPC12_VD4
| S3C2410_GPC13_VD5
|
333 S3C2410_GPC14_VD6
| S3C2410_GPC15_VD7
),
335 .gpccon_mask
= (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
336 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
337 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
338 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
339 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
341 .gpdup
= (0x3f << 2) | (0x3f << 10),
343 .gpdcon
= (S3C2410_GPD2_VD10
| S3C2410_GPD3_VD11
|
344 S3C2410_GPD4_VD12
| S3C2410_GPD5_VD13
|
345 S3C2410_GPD6_VD14
| S3C2410_GPD7_VD15
|
346 S3C2410_GPD10_VD18
| S3C2410_GPD11_VD19
|
347 S3C2410_GPD12_VD20
| S3C2410_GPD13_VD21
|
348 S3C2410_GPD14_VD22
| S3C2410_GPD15_VD23
),
350 .gpdcon_mask
= (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
351 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
352 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
353 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
354 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
355 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
358 /* ILI9320 support. */
360 static void jive_lcm_reset(unsigned int set
)
362 printk(KERN_DEBUG
"%s(%d)\n", __func__
, set
);
364 gpio_set_value(S3C2410_GPG(13), set
);
367 #undef LCD_UPPER_MARGIN
368 #define LCD_UPPER_MARGIN 2
370 static struct ili9320_platdata jive_lcm_config
= {
374 .reset
= jive_lcm_reset
,
375 .suspend
= ILI9320_SUSPEND_DEEP
,
377 .entry_mode
= ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR
,
378 .display2
= (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN
) |
379 ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN
)),
382 .rgb_if1
= (ILI9320_RGBIF1_RIM_RGB18
|
383 ILI9320_RGBIF1_RM
| ILI9320_RGBIF1_CLK_RGBIF
),
384 .rgb_if2
= ILI9320_RGBIF2_DPL
,
387 .interface4
= (ILI9320_INTERFACE4_RTNE(16) |
388 ILI9320_INTERFACE4_DIVE(1)),
393 /* LCD SPI support */
395 static struct spi_gpio_platform_data jive_lcd_spi
= {
396 .sck
= S3C2410_GPG(8),
397 .mosi
= S3C2410_GPB(8),
398 .miso
= SPI_GPIO_NO_MISO
,
401 static struct platform_device jive_device_lcdspi
= {
404 .dev
.platform_data
= &jive_lcd_spi
,
408 /* WM8750 audio code SPI definition */
410 static struct spi_gpio_platform_data jive_wm8750_spi
= {
411 .sck
= S3C2410_GPB(4),
412 .mosi
= S3C2410_GPB(9),
413 .miso
= SPI_GPIO_NO_MISO
,
416 static struct platform_device jive_device_wm8750
= {
419 .dev
.platform_data
= &jive_wm8750_spi
,
422 /* JIVE SPI devices. */
424 static struct spi_board_info __initdata jive_spi_devs
[] = {
426 .modalias
= "VGG2432A4",
429 .mode
= SPI_MODE_3
, /* CPOL=1, CPHA=1 */
430 .max_speed_hz
= 100000,
431 .platform_data
= &jive_lcm_config
,
432 .controller_data
= (void *)S3C2410_GPB(7),
434 .modalias
= "WM8750",
437 .mode
= SPI_MODE_0
, /* CPOL=0, CPHA=0 */
438 .max_speed_hz
= 100000,
439 .controller_data
= (void *)S3C2410_GPH(10),
443 /* I2C bus and device configuration. */
445 static struct s3c2410_platform_i2c jive_i2c_cfg __initdata
= {
446 .frequency
= 80 * 1000,
447 .flags
= S3C_IICFLG_FILTER
,
451 static struct i2c_board_info jive_i2c_devs
[] __initdata
= {
453 I2C_BOARD_INFO("lis302dl", 0x1c),
458 /* The platform devices being used. */
460 static struct platform_device
*jive_devices
[] __initdata
= {
469 &s3c_device_usbgadget
,
473 static struct s3c2410_udc_mach_info jive_udc_cfg __initdata
= {
474 .vbus_pin
= S3C2410_GPG(1), /* detect is on GPG1 */
477 /* Jive power management device */
480 static int jive_pm_suspend(void)
482 /* Write the magic value u-boot uses to check for resume into
483 * the INFORM0 register, and ensure INFORM1 is set to the
484 * correct address to resume from. */
486 __raw_writel(0x2BED, S3C2412_INFORM0
);
487 __raw_writel(virt_to_phys(s3c_cpu_resume
), S3C2412_INFORM1
);
492 static void jive_pm_resume(void)
494 __raw_writel(0x0, S3C2412_INFORM0
);
498 #define jive_pm_suspend NULL
499 #define jive_pm_resume NULL
502 static struct syscore_ops jive_pm_syscore_ops
= {
503 .suspend
= jive_pm_suspend
,
504 .resume
= jive_pm_resume
,
507 static void __init
jive_map_io(void)
509 s3c24xx_init_io(jive_iodesc
, ARRAY_SIZE(jive_iodesc
));
510 s3c24xx_init_clocks(12000000);
511 s3c24xx_init_uarts(jive_uartcfgs
, ARRAY_SIZE(jive_uartcfgs
));
512 samsung_set_timer_source(SAMSUNG_PWM3
, SAMSUNG_PWM4
);
515 static void jive_power_off(void)
517 printk(KERN_INFO
"powering system down...\n");
519 gpio_request_one(S3C2410_GPC(5), GPIOF_OUT_INIT_HIGH
, NULL
);
520 gpio_free(S3C2410_GPC(5));
523 static void __init
jive_machine_init(void)
525 /* register system core operations for managing low level suspend */
527 register_syscore_ops(&jive_pm_syscore_ops
);
529 /* write our sleep configurations for the IO. Pull down all unused
530 * IO, ensure that we have turned off all peripherals we do not
531 * need, and configure the ones we do need. */
535 __raw_writel(S3C2412_SLPCON_IN(0) |
536 S3C2412_SLPCON_PULL(1) |
537 S3C2412_SLPCON_HIGH(2) |
538 S3C2412_SLPCON_PULL(3) |
539 S3C2412_SLPCON_PULL(4) |
540 S3C2412_SLPCON_PULL(5) |
541 S3C2412_SLPCON_PULL(6) |
542 S3C2412_SLPCON_HIGH(7) |
543 S3C2412_SLPCON_PULL(8) |
544 S3C2412_SLPCON_PULL(9) |
545 S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON
);
549 __raw_writel(S3C2412_SLPCON_PULL(0) |
550 S3C2412_SLPCON_PULL(1) |
551 S3C2412_SLPCON_PULL(2) |
552 S3C2412_SLPCON_PULL(3) |
553 S3C2412_SLPCON_PULL(4) |
554 S3C2412_SLPCON_PULL(5) |
555 S3C2412_SLPCON_LOW(6) |
556 S3C2412_SLPCON_PULL(6) |
557 S3C2412_SLPCON_PULL(7) |
558 S3C2412_SLPCON_PULL(8) |
559 S3C2412_SLPCON_PULL(9) |
560 S3C2412_SLPCON_PULL(10) |
561 S3C2412_SLPCON_PULL(11) |
562 S3C2412_SLPCON_PULL(12) |
563 S3C2412_SLPCON_PULL(13) |
564 S3C2412_SLPCON_PULL(14) |
565 S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON
);
569 __raw_writel(S3C2412_SLPCON_ALL_PULL
, S3C2412_GPDSLPCON
);
573 __raw_writel(S3C2412_SLPCON_LOW(0) |
574 S3C2412_SLPCON_LOW(1) |
575 S3C2412_SLPCON_LOW(2) |
576 S3C2412_SLPCON_EINT(3) |
577 S3C2412_SLPCON_EINT(4) |
578 S3C2412_SLPCON_EINT(5) |
579 S3C2412_SLPCON_EINT(6) |
580 S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON
);
584 __raw_writel(S3C2412_SLPCON_IN(0) |
585 S3C2412_SLPCON_IN(1) |
586 S3C2412_SLPCON_IN(2) |
587 S3C2412_SLPCON_IN(3) |
588 S3C2412_SLPCON_IN(4) |
589 S3C2412_SLPCON_IN(5) |
590 S3C2412_SLPCON_IN(6) |
591 S3C2412_SLPCON_IN(7) |
592 S3C2412_SLPCON_PULL(8) |
593 S3C2412_SLPCON_PULL(9) |
594 S3C2412_SLPCON_IN(10) |
595 S3C2412_SLPCON_PULL(11) |
596 S3C2412_SLPCON_PULL(12) |
597 S3C2412_SLPCON_PULL(13) |
598 S3C2412_SLPCON_IN(14) |
599 S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON
);
603 __raw_writel(S3C2412_SLPCON_PULL(0) |
604 S3C2412_SLPCON_PULL(1) |
605 S3C2412_SLPCON_PULL(2) |
606 S3C2412_SLPCON_PULL(3) |
607 S3C2412_SLPCON_PULL(4) |
608 S3C2412_SLPCON_PULL(5) |
609 S3C2412_SLPCON_PULL(6) |
610 S3C2412_SLPCON_IN(7) |
611 S3C2412_SLPCON_IN(8) |
612 S3C2412_SLPCON_PULL(9) |
613 S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON
);
615 /* initialise the power management now we've setup everything. */
619 /** TODO - check that this is after the cmdline option! */
620 s3c_nand_set_platdata(&jive_nand_info
);
622 /* initialise the spi */
624 gpio_request(S3C2410_GPG(13), "lcm reset");
625 gpio_direction_output(S3C2410_GPG(13), 0);
627 gpio_request(S3C2410_GPB(7), "jive spi");
628 gpio_direction_output(S3C2410_GPB(7), 1);
630 gpio_request_one(S3C2410_GPB(6), GPIOF_OUT_INIT_LOW
, NULL
);
631 gpio_free(S3C2410_GPB(6));
633 gpio_request_one(S3C2410_GPG(8), GPIOF_OUT_INIT_HIGH
, NULL
);
634 gpio_free(S3C2410_GPG(8));
636 /* initialise the WM8750 spi */
638 gpio_request(S3C2410_GPH(10), "jive wm8750 spi");
639 gpio_direction_output(S3C2410_GPH(10), 1);
641 /* Turn off suspend on both USB ports, and switch the
642 * selectable USB port to USB device mode. */
644 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST
|
645 S3C2410_MISCCR_USBSUSPND0
|
646 S3C2410_MISCCR_USBSUSPND1
, 0x0);
648 s3c24xx_udc_set_platdata(&jive_udc_cfg
);
649 s3c24xx_fb_set_platdata(&jive_lcd_config
);
651 spi_register_board_info(jive_spi_devs
, ARRAY_SIZE(jive_spi_devs
));
653 s3c_i2c0_set_platdata(&jive_i2c_cfg
);
654 i2c_register_board_info(0, jive_i2c_devs
, ARRAY_SIZE(jive_i2c_devs
));
656 pm_power_off
= jive_power_off
;
658 platform_add_devices(jive_devices
, ARRAY_SIZE(jive_devices
));
661 MACHINE_START(JIVE
, "JIVE")
662 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
663 .atag_offset
= 0x100,
665 .init_irq
= s3c2412_init_irq
,
666 .map_io
= jive_map_io
,
667 .init_machine
= jive_machine_init
,
668 .init_time
= samsung_timer_init
,
669 .restart
= s3c2412_restart
,