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 <plat/nand.h>
38 #include <mach/regs-power.h>
39 #include <mach/regs-gpio.h>
40 #include <mach/regs-mem.h>
41 #include <mach/regs-lcd.h>
44 #include <asm/mach-types.h>
46 #include <linux/mtd/mtd.h>
47 #include <linux/mtd/nand.h>
48 #include <linux/mtd/nand_ecc.h>
49 #include <linux/mtd/partitions.h>
51 #include <plat/s3c2412.h>
52 #include <plat/gpio-cfg.h>
53 #include <plat/clock.h>
54 #include <plat/devs.h>
59 static struct map_desc jive_iodesc
[] __initdata
= {
62 #define UCON S3C2410_UCON_DEFAULT
63 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
64 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
66 static struct s3c2410_uartcfg jive_uartcfgs
[] = {
90 /* Jive flash assignment
92 * 0x00000000-0x00028000 : uboot
93 * 0x00028000-0x0002c000 : uboot env
94 * 0x0002c000-0x00030000 : spare
95 * 0x00030000-0x00200000 : zimage A
96 * 0x00200000-0x01600000 : cramfs A
97 * 0x01600000-0x017d0000 : zimage B
98 * 0x017d0000-0x02bd0000 : cramfs B
99 * 0x02bd0000-0x03fd0000 : yaffs
101 static struct mtd_partition __initdata jive_imageA_nand_part
[] = {
103 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
104 /* Don't allow access to the bootloader from linux */
108 .size
= (160 * SZ_1K
),
109 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
115 .offset
= (176 * SZ_1K
),
116 .size
= (16 * SZ_1K
),
122 .name
= "kernel (ro)",
123 .offset
= (192 * SZ_1K
),
124 .size
= (SZ_2M
) - (192 * SZ_1K
),
125 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
129 .size
= (20 * SZ_1M
),
130 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
136 .offset
= (44 * SZ_1M
),
137 .size
= (20 * SZ_1M
),
140 /* bootloader environment */
143 .offset
= (160 * SZ_1K
),
144 .size
= (16 * SZ_1K
),
150 .offset
= (22 * SZ_1M
),
151 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
154 .offset
= (24 * SZ_1M
) - (192*SZ_1K
),
155 .size
= (20 * SZ_1M
),
159 static struct mtd_partition __initdata jive_imageB_nand_part
[] = {
161 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
162 /* Don't allow access to the bootloader from linux */
166 .size
= (160 * SZ_1K
),
167 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
173 .offset
= (176 * SZ_1K
),
174 .size
= (16 * SZ_1K
),
180 .name
= "kernel (ro)",
181 .offset
= (22 * SZ_1M
),
182 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
183 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
187 .offset
= (24 * SZ_1M
) - (192 * SZ_1K
),
188 .size
= (20 * SZ_1M
),
189 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
195 .offset
= (44 * SZ_1M
),
196 .size
= (20 * SZ_1M
),
199 /* bootloader environment */
202 .offset
= (160 * SZ_1K
),
203 .size
= (16 * SZ_1K
),
209 .offset
= (192 * SZ_1K
),
210 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
213 .offset
= (2 * SZ_1M
),
214 .size
= (20 * SZ_1M
),
218 static struct s3c2410_nand_set __initdata jive_nand_sets
[] = {
222 .nr_partitions
= ARRAY_SIZE(jive_imageA_nand_part
),
223 .partitions
= jive_imageA_nand_part
,
227 static struct s3c2410_platform_nand __initdata jive_nand_info
= {
228 /* set taken from osiris nand timings, possibly still conservative */
232 .sets
= jive_nand_sets
,
233 .nr_sets
= ARRAY_SIZE(jive_nand_sets
),
236 static int __init
jive_mtdset(char *options
)
238 struct s3c2410_nand_set
*nand
= &jive_nand_sets
[0];
241 if (options
== NULL
|| options
[0] == '\0')
244 if (strict_strtoul(options
, 10, &set
)) {
245 printk(KERN_ERR
"failed to parse mtdset=%s\n", options
);
251 nand
->nr_partitions
= ARRAY_SIZE(jive_imageB_nand_part
);
252 nand
->partitions
= jive_imageB_nand_part
;
254 /* this is already setup in the nand info */
257 printk(KERN_ERR
"Unknown mtd set %ld specified,"
258 "using default.", set
);
264 /* parse the mtdset= option given to the kernel command line */
265 __setup("mtdset=", jive_mtdset
);
267 /* LCD timing and setup */
269 #define LCD_XRES (240)
270 #define LCD_YRES (320)
271 #define LCD_LEFT_MARGIN (12)
272 #define LCD_RIGHT_MARGIN (12)
273 #define LCD_LOWER_MARGIN (12)
274 #define LCD_UPPER_MARGIN (12)
275 #define LCD_VSYNC (2)
276 #define LCD_HSYNC (2)
278 #define LCD_REFRESH (60)
280 #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
281 #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
283 static struct s3c2410fb_display jive_vgg2432a4_display
[] = {
289 .left_margin
= LCD_LEFT_MARGIN
,
290 .right_margin
= LCD_RIGHT_MARGIN
,
291 .upper_margin
= LCD_UPPER_MARGIN
,
292 .lower_margin
= LCD_LOWER_MARGIN
,
293 .hsync_len
= LCD_HSYNC
,
294 .vsync_len
= LCD_VSYNC
,
296 .pixclock
= (1000000000000LL /
297 (LCD_REFRESH
* LCD_HTOT
* LCD_VTOT
)),
300 .type
= (S3C2410_LCDCON1_TFT16BPP
|
301 S3C2410_LCDCON1_TFT
),
303 .lcdcon5
= (S3C2410_LCDCON5_FRM565
|
304 S3C2410_LCDCON5_INVVLINE
|
305 S3C2410_LCDCON5_INVVFRAME
|
306 S3C2410_LCDCON5_INVVDEN
|
307 S3C2410_LCDCON5_PWREN
),
311 /* todo - put into gpio header */
313 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
314 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
316 static struct s3c2410fb_mach_info jive_lcd_config
= {
317 .displays
= jive_vgg2432a4_display
,
318 .num_displays
= ARRAY_SIZE(jive_vgg2432a4_display
),
319 .default_display
= 0,
321 /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
322 * and disable the pull down resistors on pins we are using for LCD
325 .gpcup
= (0xf << 1) | (0x3f << 10),
327 .gpccon
= (S3C2410_GPC1_VCLK
| S3C2410_GPC2_VLINE
|
328 S3C2410_GPC3_VFRAME
| S3C2410_GPC4_VM
|
329 S3C2410_GPC10_VD2
| S3C2410_GPC11_VD3
|
330 S3C2410_GPC12_VD4
| S3C2410_GPC13_VD5
|
331 S3C2410_GPC14_VD6
| S3C2410_GPC15_VD7
),
333 .gpccon_mask
= (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
334 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
335 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
336 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
337 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
339 .gpdup
= (0x3f << 2) | (0x3f << 10),
341 .gpdcon
= (S3C2410_GPD2_VD10
| S3C2410_GPD3_VD11
|
342 S3C2410_GPD4_VD12
| S3C2410_GPD5_VD13
|
343 S3C2410_GPD6_VD14
| S3C2410_GPD7_VD15
|
344 S3C2410_GPD10_VD18
| S3C2410_GPD11_VD19
|
345 S3C2410_GPD12_VD20
| S3C2410_GPD13_VD21
|
346 S3C2410_GPD14_VD22
| S3C2410_GPD15_VD23
),
348 .gpdcon_mask
= (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
349 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
350 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
351 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
352 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
353 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
356 /* ILI9320 support. */
358 static void jive_lcm_reset(unsigned int set
)
360 printk(KERN_DEBUG
"%s(%d)\n", __func__
, set
);
362 gpio_set_value(S3C2410_GPG(13), set
);
365 #undef LCD_UPPER_MARGIN
366 #define LCD_UPPER_MARGIN 2
368 static struct ili9320_platdata jive_lcm_config
= {
372 .reset
= jive_lcm_reset
,
373 .suspend
= ILI9320_SUSPEND_DEEP
,
375 .entry_mode
= ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR
,
376 .display2
= (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN
) |
377 ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN
)),
380 .rgb_if1
= (ILI9320_RGBIF1_RIM_RGB18
|
381 ILI9320_RGBIF1_RM
| ILI9320_RGBIF1_CLK_RGBIF
),
382 .rgb_if2
= ILI9320_RGBIF2_DPL
,
385 .interface4
= (ILI9320_INTERFACE4_RTNE(16) |
386 ILI9320_INTERFACE4_DIVE(1)),
391 /* LCD SPI support */
393 static struct spi_gpio_platform_data jive_lcd_spi
= {
394 .sck
= S3C2410_GPG(8),
395 .mosi
= S3C2410_GPB(8),
396 .miso
= SPI_GPIO_NO_MISO
,
399 static struct platform_device jive_device_lcdspi
= {
402 .dev
.platform_data
= &jive_lcd_spi
,
406 /* WM8750 audio code SPI definition */
408 static struct spi_gpio_platform_data jive_wm8750_spi
= {
409 .sck
= S3C2410_GPB(4),
410 .mosi
= S3C2410_GPB(9),
411 .miso
= SPI_GPIO_NO_MISO
,
414 static struct platform_device jive_device_wm8750
= {
417 .dev
.platform_data
= &jive_wm8750_spi
,
420 /* JIVE SPI devices. */
422 static struct spi_board_info __initdata jive_spi_devs
[] = {
424 .modalias
= "VGG2432A4",
427 .mode
= SPI_MODE_3
, /* CPOL=1, CPHA=1 */
428 .max_speed_hz
= 100000,
429 .platform_data
= &jive_lcm_config
,
430 .controller_data
= (void *)S3C2410_GPB(7),
432 .modalias
= "WM8750",
435 .mode
= SPI_MODE_0
, /* CPOL=0, CPHA=0 */
436 .max_speed_hz
= 100000,
437 .controller_data
= (void *)S3C2410_GPH(10),
441 /* I2C bus and device configuration. */
443 static struct s3c2410_platform_i2c jive_i2c_cfg __initdata
= {
444 .frequency
= 80 * 1000,
445 .flags
= S3C_IICFLG_FILTER
,
449 static struct i2c_board_info jive_i2c_devs
[] __initdata
= {
451 I2C_BOARD_INFO("lis302dl", 0x1c),
456 /* The platform devices being used. */
458 static struct platform_device
*jive_devices
[] __initdata
= {
467 &s3c_device_usbgadget
,
470 static struct s3c2410_udc_mach_info jive_udc_cfg __initdata
= {
471 .vbus_pin
= S3C2410_GPG(1), /* detect is on GPG1 */
474 /* Jive power management device */
477 static int jive_pm_suspend(void)
479 /* Write the magic value u-boot uses to check for resume into
480 * the INFORM0 register, and ensure INFORM1 is set to the
481 * correct address to resume from. */
483 __raw_writel(0x2BED, S3C2412_INFORM0
);
484 __raw_writel(virt_to_phys(s3c_cpu_resume
), S3C2412_INFORM1
);
489 static void jive_pm_resume(void)
491 __raw_writel(0x0, S3C2412_INFORM0
);
495 #define jive_pm_suspend NULL
496 #define jive_pm_resume NULL
499 static struct syscore_ops jive_pm_syscore_ops
= {
500 .suspend
= jive_pm_suspend
,
501 .resume
= jive_pm_resume
,
504 static void __init
jive_map_io(void)
506 s3c24xx_init_io(jive_iodesc
, ARRAY_SIZE(jive_iodesc
));
507 s3c24xx_init_clocks(12000000);
508 s3c24xx_init_uarts(jive_uartcfgs
, ARRAY_SIZE(jive_uartcfgs
));
511 static void jive_power_off(void)
513 printk(KERN_INFO
"powering system down...\n");
515 s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
516 s3c_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT
);
519 static void __init
jive_machine_init(void)
521 /* register system core operations for managing low level suspend */
523 register_syscore_ops(&jive_pm_syscore_ops
);
525 /* write our sleep configurations for the IO. Pull down all unused
526 * IO, ensure that we have turned off all peripherals we do not
527 * need, and configure the ones we do need. */
531 __raw_writel(S3C2412_SLPCON_IN(0) |
532 S3C2412_SLPCON_PULL(1) |
533 S3C2412_SLPCON_HIGH(2) |
534 S3C2412_SLPCON_PULL(3) |
535 S3C2412_SLPCON_PULL(4) |
536 S3C2412_SLPCON_PULL(5) |
537 S3C2412_SLPCON_PULL(6) |
538 S3C2412_SLPCON_HIGH(7) |
539 S3C2412_SLPCON_PULL(8) |
540 S3C2412_SLPCON_PULL(9) |
541 S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON
);
545 __raw_writel(S3C2412_SLPCON_PULL(0) |
546 S3C2412_SLPCON_PULL(1) |
547 S3C2412_SLPCON_PULL(2) |
548 S3C2412_SLPCON_PULL(3) |
549 S3C2412_SLPCON_PULL(4) |
550 S3C2412_SLPCON_PULL(5) |
551 S3C2412_SLPCON_LOW(6) |
552 S3C2412_SLPCON_PULL(6) |
553 S3C2412_SLPCON_PULL(7) |
554 S3C2412_SLPCON_PULL(8) |
555 S3C2412_SLPCON_PULL(9) |
556 S3C2412_SLPCON_PULL(10) |
557 S3C2412_SLPCON_PULL(11) |
558 S3C2412_SLPCON_PULL(12) |
559 S3C2412_SLPCON_PULL(13) |
560 S3C2412_SLPCON_PULL(14) |
561 S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON
);
565 __raw_writel(S3C2412_SLPCON_ALL_PULL
, S3C2412_GPDSLPCON
);
569 __raw_writel(S3C2412_SLPCON_LOW(0) |
570 S3C2412_SLPCON_LOW(1) |
571 S3C2412_SLPCON_LOW(2) |
572 S3C2412_SLPCON_EINT(3) |
573 S3C2412_SLPCON_EINT(4) |
574 S3C2412_SLPCON_EINT(5) |
575 S3C2412_SLPCON_EINT(6) |
576 S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON
);
580 __raw_writel(S3C2412_SLPCON_IN(0) |
581 S3C2412_SLPCON_IN(1) |
582 S3C2412_SLPCON_IN(2) |
583 S3C2412_SLPCON_IN(3) |
584 S3C2412_SLPCON_IN(4) |
585 S3C2412_SLPCON_IN(5) |
586 S3C2412_SLPCON_IN(6) |
587 S3C2412_SLPCON_IN(7) |
588 S3C2412_SLPCON_PULL(8) |
589 S3C2412_SLPCON_PULL(9) |
590 S3C2412_SLPCON_IN(10) |
591 S3C2412_SLPCON_PULL(11) |
592 S3C2412_SLPCON_PULL(12) |
593 S3C2412_SLPCON_PULL(13) |
594 S3C2412_SLPCON_IN(14) |
595 S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON
);
599 __raw_writel(S3C2412_SLPCON_PULL(0) |
600 S3C2412_SLPCON_PULL(1) |
601 S3C2412_SLPCON_PULL(2) |
602 S3C2412_SLPCON_PULL(3) |
603 S3C2412_SLPCON_PULL(4) |
604 S3C2412_SLPCON_PULL(5) |
605 S3C2412_SLPCON_PULL(6) |
606 S3C2412_SLPCON_IN(7) |
607 S3C2412_SLPCON_IN(8) |
608 S3C2412_SLPCON_PULL(9) |
609 S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON
);
611 /* initialise the power management now we've setup everything. */
615 /** TODO - check that this is after the cmdline option! */
616 s3c_nand_set_platdata(&jive_nand_info
);
618 /* initialise the spi */
620 gpio_request(S3C2410_GPG(13), "lcm reset");
621 gpio_direction_output(S3C2410_GPG(13), 0);
623 gpio_request(S3C2410_GPB(7), "jive spi");
624 gpio_direction_output(S3C2410_GPB(7), 1);
626 s3c2410_gpio_setpin(S3C2410_GPB(6), 0);
627 s3c_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT
);
629 s3c2410_gpio_setpin(S3C2410_GPG(8), 1);
630 s3c_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT
);
632 /* initialise the WM8750 spi */
634 gpio_request(S3C2410_GPH(10), "jive wm8750 spi");
635 gpio_direction_output(S3C2410_GPH(10), 1);
637 /* Turn off suspend on both USB ports, and switch the
638 * selectable USB port to USB device mode. */
640 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST
|
641 S3C2410_MISCCR_USBSUSPND0
|
642 S3C2410_MISCCR_USBSUSPND1
, 0x0);
644 s3c24xx_udc_set_platdata(&jive_udc_cfg
);
645 s3c24xx_fb_set_platdata(&jive_lcd_config
);
647 spi_register_board_info(jive_spi_devs
, ARRAY_SIZE(jive_spi_devs
));
649 s3c_i2c0_set_platdata(&jive_i2c_cfg
);
650 i2c_register_board_info(0, jive_i2c_devs
, ARRAY_SIZE(jive_i2c_devs
));
652 pm_power_off
= jive_power_off
;
654 platform_add_devices(jive_devices
, ARRAY_SIZE(jive_devices
));
657 MACHINE_START(JIVE
, "JIVE")
658 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
659 .atag_offset
= 0x100,
661 .init_irq
= s3c24xx_init_irq
,
662 .map_io
= jive_map_io
,
663 .init_machine
= jive_machine_init
,
664 .timer
= &s3c24xx_timer
,
665 .restart
= s3c2412_restart
,