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>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
33 #include <plat/regs-serial.h>
34 #include <plat/nand.h>
37 #include <mach/regs-power.h>
38 #include <mach/regs-gpio.h>
39 #include <mach/regs-mem.h>
40 #include <mach/regs-lcd.h>
41 #include <mach/spi-gpio.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/gpio-cfg.h>
52 #include <plat/clock.h>
53 #include <plat/devs.h>
58 static struct map_desc jive_iodesc
[] __initdata
= {
61 #define UCON S3C2410_UCON_DEFAULT
62 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
63 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
65 static struct s3c2410_uartcfg jive_uartcfgs
[] = {
89 /* Jive flash assignment
91 * 0x00000000-0x00028000 : uboot
92 * 0x00028000-0x0002c000 : uboot env
93 * 0x0002c000-0x00030000 : spare
94 * 0x00030000-0x00200000 : zimage A
95 * 0x00200000-0x01600000 : cramfs A
96 * 0x01600000-0x017d0000 : zimage B
97 * 0x017d0000-0x02bd0000 : cramfs B
98 * 0x02bd0000-0x03fd0000 : yaffs
100 static struct mtd_partition __initdata jive_imageA_nand_part
[] = {
102 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
103 /* Don't allow access to the bootloader from linux */
107 .size
= (160 * SZ_1K
),
108 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
114 .offset
= (176 * SZ_1K
),
115 .size
= (16 * SZ_1K
),
121 .name
= "kernel (ro)",
122 .offset
= (192 * SZ_1K
),
123 .size
= (SZ_2M
) - (192 * SZ_1K
),
124 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
128 .size
= (20 * SZ_1M
),
129 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
135 .offset
= (44 * SZ_1M
),
136 .size
= (20 * SZ_1M
),
139 /* bootloader environment */
142 .offset
= (160 * SZ_1K
),
143 .size
= (16 * SZ_1K
),
149 .offset
= (22 * SZ_1M
),
150 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
153 .offset
= (24 * SZ_1M
) - (192*SZ_1K
),
154 .size
= (20 * SZ_1M
),
158 static struct mtd_partition __initdata jive_imageB_nand_part
[] = {
160 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
161 /* Don't allow access to the bootloader from linux */
165 .size
= (160 * SZ_1K
),
166 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
172 .offset
= (176 * SZ_1K
),
173 .size
= (16 * SZ_1K
),
179 .name
= "kernel (ro)",
180 .offset
= (22 * SZ_1M
),
181 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
182 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
186 .offset
= (24 * SZ_1M
) - (192 * SZ_1K
),
187 .size
= (20 * SZ_1M
),
188 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
194 .offset
= (44 * SZ_1M
),
195 .size
= (20 * SZ_1M
),
198 /* bootloader environment */
201 .offset
= (160 * SZ_1K
),
202 .size
= (16 * SZ_1K
),
208 .offset
= (192 * SZ_1K
),
209 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
212 .offset
= (2 * SZ_1M
),
213 .size
= (20 * SZ_1M
),
217 static struct s3c2410_nand_set __initdata jive_nand_sets
[] = {
221 .nr_partitions
= ARRAY_SIZE(jive_imageA_nand_part
),
222 .partitions
= jive_imageA_nand_part
,
226 static struct s3c2410_platform_nand __initdata jive_nand_info
= {
227 /* set taken from osiris nand timings, possibly still conservative */
231 .sets
= jive_nand_sets
,
232 .nr_sets
= ARRAY_SIZE(jive_nand_sets
),
235 static int __init
jive_mtdset(char *options
)
237 struct s3c2410_nand_set
*nand
= &jive_nand_sets
[0];
240 if (options
== NULL
|| options
[0] == '\0')
243 if (strict_strtoul(options
, 10, &set
)) {
244 printk(KERN_ERR
"failed to parse mtdset=%s\n", options
);
250 nand
->nr_partitions
= ARRAY_SIZE(jive_imageB_nand_part
);
251 nand
->partitions
= jive_imageB_nand_part
;
253 /* this is already setup in the nand info */
256 printk(KERN_ERR
"Unknown mtd set %ld specified,"
257 "using default.", set
);
263 /* parse the mtdset= option given to the kernel command line */
264 __setup("mtdset=", jive_mtdset
);
266 /* LCD timing and setup */
268 #define LCD_XRES (240)
269 #define LCD_YRES (320)
270 #define LCD_LEFT_MARGIN (12)
271 #define LCD_RIGHT_MARGIN (12)
272 #define LCD_LOWER_MARGIN (12)
273 #define LCD_UPPER_MARGIN (12)
274 #define LCD_VSYNC (2)
275 #define LCD_HSYNC (2)
277 #define LCD_REFRESH (60)
279 #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
280 #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
282 static struct s3c2410fb_display jive_vgg2432a4_display
[] = {
288 .left_margin
= LCD_LEFT_MARGIN
,
289 .right_margin
= LCD_RIGHT_MARGIN
,
290 .upper_margin
= LCD_UPPER_MARGIN
,
291 .lower_margin
= LCD_LOWER_MARGIN
,
292 .hsync_len
= LCD_HSYNC
,
293 .vsync_len
= LCD_VSYNC
,
295 .pixclock
= (1000000000000LL /
296 (LCD_REFRESH
* LCD_HTOT
* LCD_VTOT
)),
299 .type
= (S3C2410_LCDCON1_TFT16BPP
|
300 S3C2410_LCDCON1_TFT
),
302 .lcdcon5
= (S3C2410_LCDCON5_FRM565
|
303 S3C2410_LCDCON5_INVVLINE
|
304 S3C2410_LCDCON5_INVVFRAME
|
305 S3C2410_LCDCON5_INVVDEN
|
306 S3C2410_LCDCON5_PWREN
),
310 /* todo - put into gpio header */
312 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
313 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
315 static struct s3c2410fb_mach_info jive_lcd_config
= {
316 .displays
= jive_vgg2432a4_display
,
317 .num_displays
= ARRAY_SIZE(jive_vgg2432a4_display
),
318 .default_display
= 0,
320 /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
321 * and disable the pull down resistors on pins we are using for LCD
324 .gpcup
= (0xf << 1) | (0x3f << 10),
326 .gpccon
= (S3C2410_GPC1_VCLK
| S3C2410_GPC2_VLINE
|
327 S3C2410_GPC3_VFRAME
| S3C2410_GPC4_VM
|
328 S3C2410_GPC10_VD2
| S3C2410_GPC11_VD3
|
329 S3C2410_GPC12_VD4
| S3C2410_GPC13_VD5
|
330 S3C2410_GPC14_VD6
| S3C2410_GPC15_VD7
),
332 .gpccon_mask
= (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
333 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
334 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
335 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
336 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
338 .gpdup
= (0x3f << 2) | (0x3f << 10),
340 .gpdcon
= (S3C2410_GPD2_VD10
| S3C2410_GPD3_VD11
|
341 S3C2410_GPD4_VD12
| S3C2410_GPD5_VD13
|
342 S3C2410_GPD6_VD14
| S3C2410_GPD7_VD15
|
343 S3C2410_GPD10_VD18
| S3C2410_GPD11_VD19
|
344 S3C2410_GPD12_VD20
| S3C2410_GPD13_VD21
|
345 S3C2410_GPD14_VD22
| S3C2410_GPD15_VD23
),
347 .gpdcon_mask
= (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
348 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
349 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
350 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
351 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
352 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
355 /* ILI9320 support. */
357 static void jive_lcm_reset(unsigned int set
)
359 printk(KERN_DEBUG
"%s(%d)\n", __func__
, set
);
361 gpio_set_value(S3C2410_GPG(13), set
);
364 #undef LCD_UPPER_MARGIN
365 #define LCD_UPPER_MARGIN 2
367 static struct ili9320_platdata jive_lcm_config
= {
371 .reset
= jive_lcm_reset
,
372 .suspend
= ILI9320_SUSPEND_DEEP
,
374 .entry_mode
= ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR
,
375 .display2
= (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN
) |
376 ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN
)),
379 .rgb_if1
= (ILI9320_RGBIF1_RIM_RGB18
|
380 ILI9320_RGBIF1_RM
| ILI9320_RGBIF1_CLK_RGBIF
),
381 .rgb_if2
= ILI9320_RGBIF2_DPL
,
384 .interface4
= (ILI9320_INTERFACE4_RTNE(16) |
385 ILI9320_INTERFACE4_DIVE(1)),
390 /* LCD SPI support */
392 static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info
*spi
, int cs
)
394 gpio_set_value(S3C2410_GPB(7), cs
? 0 : 1);
397 static struct s3c2410_spigpio_info jive_lcd_spi
= {
399 .pin_clk
= S3C2410_GPG(8),
400 .pin_mosi
= S3C2410_GPB(8),
402 .chip_select
= jive_lcd_spi_chipselect
,
405 static struct platform_device jive_device_lcdspi
= {
406 .name
= "spi_s3c24xx_gpio",
409 .dev
.platform_data
= &jive_lcd_spi
,
412 /* WM8750 audio code SPI definition */
414 static void jive_wm8750_chipselect(struct s3c2410_spigpio_info
*spi
, int cs
)
416 gpio_set_value(S3C2410_GPH(10), cs
? 0 : 1);
419 static struct s3c2410_spigpio_info jive_wm8750_spi
= {
421 .pin_clk
= S3C2410_GPB(4),
422 .pin_mosi
= S3C2410_GPB(9),
424 .chip_select
= jive_wm8750_chipselect
,
427 static struct platform_device jive_device_wm8750
= {
428 .name
= "spi_s3c24xx_gpio",
431 .dev
.platform_data
= &jive_wm8750_spi
,
434 /* JIVE SPI devices. */
436 static struct spi_board_info __initdata jive_spi_devs
[] = {
438 .modalias
= "VGG2432A4",
441 .mode
= SPI_MODE_3
, /* CPOL=1, CPHA=1 */
442 .max_speed_hz
= 100000,
443 .platform_data
= &jive_lcm_config
,
445 .modalias
= "WM8750",
448 .mode
= SPI_MODE_0
, /* CPOL=0, CPHA=0 */
449 .max_speed_hz
= 100000,
453 /* I2C bus and device configuration. */
455 static struct s3c2410_platform_i2c jive_i2c_cfg __initdata
= {
456 .frequency
= 80 * 1000,
457 .flags
= S3C_IICFLG_FILTER
,
461 static struct i2c_board_info jive_i2c_devs
[] __initdata
= {
463 I2C_BOARD_INFO("lis302dl", 0x1c),
468 /* The platform devices being used. */
470 static struct platform_device
*jive_devices
[] __initdata
= {
479 &s3c_device_usbgadget
,
482 static struct s3c2410_udc_mach_info jive_udc_cfg __initdata
= {
483 .vbus_pin
= S3C2410_GPG(1), /* detect is on GPG1 */
486 /* Jive power management device */
489 static int jive_pm_suspend(void)
491 /* Write the magic value u-boot uses to check for resume into
492 * the INFORM0 register, and ensure INFORM1 is set to the
493 * correct address to resume from. */
495 __raw_writel(0x2BED, S3C2412_INFORM0
);
496 __raw_writel(virt_to_phys(s3c_cpu_resume
), S3C2412_INFORM1
);
501 static void jive_pm_resume(void)
503 __raw_writel(0x0, S3C2412_INFORM0
);
507 #define jive_pm_suspend NULL
508 #define jive_pm_resume NULL
511 static struct syscore_ops jive_pm_syscore_ops
= {
512 .suspend
= jive_pm_suspend
,
513 .resume
= jive_pm_resume
,
516 static void __init
jive_map_io(void)
518 s3c24xx_init_io(jive_iodesc
, ARRAY_SIZE(jive_iodesc
));
519 s3c24xx_init_clocks(12000000);
520 s3c24xx_init_uarts(jive_uartcfgs
, ARRAY_SIZE(jive_uartcfgs
));
523 static void jive_power_off(void)
525 printk(KERN_INFO
"powering system down...\n");
527 s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
528 s3c_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT
);
531 static void __init
jive_machine_init(void)
533 /* register system core operations for managing low level suspend */
535 register_syscore_ops(&jive_pm_syscore_ops
);
537 /* write our sleep configurations for the IO. Pull down all unused
538 * IO, ensure that we have turned off all peripherals we do not
539 * need, and configure the ones we do need. */
543 __raw_writel(S3C2412_SLPCON_IN(0) |
544 S3C2412_SLPCON_PULL(1) |
545 S3C2412_SLPCON_HIGH(2) |
546 S3C2412_SLPCON_PULL(3) |
547 S3C2412_SLPCON_PULL(4) |
548 S3C2412_SLPCON_PULL(5) |
549 S3C2412_SLPCON_PULL(6) |
550 S3C2412_SLPCON_HIGH(7) |
551 S3C2412_SLPCON_PULL(8) |
552 S3C2412_SLPCON_PULL(9) |
553 S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON
);
557 __raw_writel(S3C2412_SLPCON_PULL(0) |
558 S3C2412_SLPCON_PULL(1) |
559 S3C2412_SLPCON_PULL(2) |
560 S3C2412_SLPCON_PULL(3) |
561 S3C2412_SLPCON_PULL(4) |
562 S3C2412_SLPCON_PULL(5) |
563 S3C2412_SLPCON_LOW(6) |
564 S3C2412_SLPCON_PULL(6) |
565 S3C2412_SLPCON_PULL(7) |
566 S3C2412_SLPCON_PULL(8) |
567 S3C2412_SLPCON_PULL(9) |
568 S3C2412_SLPCON_PULL(10) |
569 S3C2412_SLPCON_PULL(11) |
570 S3C2412_SLPCON_PULL(12) |
571 S3C2412_SLPCON_PULL(13) |
572 S3C2412_SLPCON_PULL(14) |
573 S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON
);
577 __raw_writel(S3C2412_SLPCON_ALL_PULL
, S3C2412_GPDSLPCON
);
581 __raw_writel(S3C2412_SLPCON_LOW(0) |
582 S3C2412_SLPCON_LOW(1) |
583 S3C2412_SLPCON_LOW(2) |
584 S3C2412_SLPCON_EINT(3) |
585 S3C2412_SLPCON_EINT(4) |
586 S3C2412_SLPCON_EINT(5) |
587 S3C2412_SLPCON_EINT(6) |
588 S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON
);
592 __raw_writel(S3C2412_SLPCON_IN(0) |
593 S3C2412_SLPCON_IN(1) |
594 S3C2412_SLPCON_IN(2) |
595 S3C2412_SLPCON_IN(3) |
596 S3C2412_SLPCON_IN(4) |
597 S3C2412_SLPCON_IN(5) |
598 S3C2412_SLPCON_IN(6) |
599 S3C2412_SLPCON_IN(7) |
600 S3C2412_SLPCON_PULL(8) |
601 S3C2412_SLPCON_PULL(9) |
602 S3C2412_SLPCON_IN(10) |
603 S3C2412_SLPCON_PULL(11) |
604 S3C2412_SLPCON_PULL(12) |
605 S3C2412_SLPCON_PULL(13) |
606 S3C2412_SLPCON_IN(14) |
607 S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON
);
611 __raw_writel(S3C2412_SLPCON_PULL(0) |
612 S3C2412_SLPCON_PULL(1) |
613 S3C2412_SLPCON_PULL(2) |
614 S3C2412_SLPCON_PULL(3) |
615 S3C2412_SLPCON_PULL(4) |
616 S3C2412_SLPCON_PULL(5) |
617 S3C2412_SLPCON_PULL(6) |
618 S3C2412_SLPCON_IN(7) |
619 S3C2412_SLPCON_IN(8) |
620 S3C2412_SLPCON_PULL(9) |
621 S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON
);
623 /* initialise the power management now we've setup everything. */
627 /** TODO - check that this is after the cmdline option! */
628 s3c_nand_set_platdata(&jive_nand_info
);
630 /* initialise the spi */
632 gpio_request(S3C2410_GPG(13), "lcm reset");
633 gpio_direction_output(S3C2410_GPG(13), 0);
635 gpio_request(S3C2410_GPB(7), "jive spi");
636 gpio_direction_output(S3C2410_GPB(7), 1);
638 s3c2410_gpio_setpin(S3C2410_GPB(6), 0);
639 s3c_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT
);
641 s3c2410_gpio_setpin(S3C2410_GPG(8), 1);
642 s3c_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT
);
644 /* initialise the WM8750 spi */
646 gpio_request(S3C2410_GPH(10), "jive wm8750 spi");
647 gpio_direction_output(S3C2410_GPH(10), 1);
649 /* Turn off suspend on both USB ports, and switch the
650 * selectable USB port to USB device mode. */
652 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST
|
653 S3C2410_MISCCR_USBSUSPND0
|
654 S3C2410_MISCCR_USBSUSPND1
, 0x0);
656 s3c24xx_udc_set_platdata(&jive_udc_cfg
);
657 s3c24xx_fb_set_platdata(&jive_lcd_config
);
659 spi_register_board_info(jive_spi_devs
, ARRAY_SIZE(jive_spi_devs
));
661 s3c_i2c0_set_platdata(&jive_i2c_cfg
);
662 i2c_register_board_info(0, jive_i2c_devs
, ARRAY_SIZE(jive_i2c_devs
));
664 pm_power_off
= jive_power_off
;
666 platform_add_devices(jive_devices
, ARRAY_SIZE(jive_devices
));
669 MACHINE_START(JIVE
, "JIVE")
670 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
671 .boot_params
= S3C2410_SDRAM_PA
+ 0x100,
673 .init_irq
= s3c24xx_init_irq
,
674 .map_io
= jive_map_io
,
675 .init_machine
= jive_machine_init
,
676 .timer
= &s3c24xx_timer
,