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/sysdev.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/clock.h>
52 #include <plat/devs.h>
57 static struct map_desc jive_iodesc
[] __initdata
= {
60 #define UCON S3C2410_UCON_DEFAULT
61 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
62 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
64 static struct s3c2410_uartcfg jive_uartcfgs
[] = {
88 /* Jive flash assignment
90 * 0x00000000-0x00028000 : uboot
91 * 0x00028000-0x0002c000 : uboot env
92 * 0x0002c000-0x00030000 : spare
93 * 0x00030000-0x00200000 : zimage A
94 * 0x00200000-0x01600000 : cramfs A
95 * 0x01600000-0x017d0000 : zimage B
96 * 0x017d0000-0x02bd0000 : cramfs B
97 * 0x02bd0000-0x03fd0000 : yaffs
99 static struct mtd_partition jive_imageA_nand_part
[] = {
101 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
102 /* Don't allow access to the bootloader from linux */
106 .size
= (160 * SZ_1K
),
107 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
113 .offset
= (176 * SZ_1K
),
114 .size
= (16 * SZ_1K
),
120 .name
= "kernel (ro)",
121 .offset
= (192 * SZ_1K
),
122 .size
= (SZ_2M
) - (192 * SZ_1K
),
123 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
127 .size
= (20 * SZ_1M
),
128 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
134 .offset
= (44 * SZ_1M
),
135 .size
= (20 * SZ_1M
),
138 /* bootloader environment */
141 .offset
= (160 * SZ_1K
),
142 .size
= (16 * SZ_1K
),
148 .offset
= (22 * SZ_1M
),
149 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
152 .offset
= (24 * SZ_1M
) - (192*SZ_1K
),
153 .size
= (20 * SZ_1M
),
157 static struct mtd_partition jive_imageB_nand_part
[] = {
159 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
160 /* Don't allow access to the bootloader from linux */
164 .size
= (160 * SZ_1K
),
165 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
171 .offset
= (176 * SZ_1K
),
172 .size
= (16 * SZ_1K
),
178 .name
= "kernel (ro)",
179 .offset
= (22 * SZ_1M
),
180 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
181 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
185 .offset
= (24 * SZ_1M
) - (192 * SZ_1K
),
186 .size
= (20 * SZ_1M
),
187 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
193 .offset
= (44 * SZ_1M
),
194 .size
= (20 * SZ_1M
),
197 /* bootloader environment */
200 .offset
= (160 * SZ_1K
),
201 .size
= (16 * SZ_1K
),
207 .offset
= (192 * SZ_1K
),
208 .size
= (2 * SZ_1M
) - (192 * SZ_1K
),
211 .offset
= (2 * SZ_1M
),
212 .size
= (20 * SZ_1M
),
216 static struct s3c2410_nand_set jive_nand_sets
[] = {
220 .nr_partitions
= ARRAY_SIZE(jive_imageA_nand_part
),
221 .partitions
= jive_imageA_nand_part
,
225 static struct s3c2410_platform_nand jive_nand_info
= {
226 /* set taken from osiris nand timings, possibly still conservative */
230 .sets
= jive_nand_sets
,
231 .nr_sets
= ARRAY_SIZE(jive_nand_sets
),
234 static int __init
jive_mtdset(char *options
)
236 struct s3c2410_nand_set
*nand
= &jive_nand_sets
[0];
239 if (options
== NULL
|| options
[0] == '\0')
242 if (strict_strtoul(options
, 10, &set
)) {
243 printk(KERN_ERR
"failed to parse mtdset=%s\n", options
);
249 nand
->nr_partitions
= ARRAY_SIZE(jive_imageB_nand_part
);
250 nand
->partitions
= jive_imageB_nand_part
;
252 /* this is already setup in the nand info */
255 printk(KERN_ERR
"Unknown mtd set %ld specified,"
256 "using default.", set
);
262 /* parse the mtdset= option given to the kernel command line */
263 __setup("mtdset=", jive_mtdset
);
265 /* LCD timing and setup */
267 #define LCD_XRES (240)
268 #define LCD_YRES (320)
269 #define LCD_LEFT_MARGIN (12)
270 #define LCD_RIGHT_MARGIN (12)
271 #define LCD_LOWER_MARGIN (12)
272 #define LCD_UPPER_MARGIN (12)
273 #define LCD_VSYNC (2)
274 #define LCD_HSYNC (2)
276 #define LCD_REFRESH (60)
278 #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
279 #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
281 static struct s3c2410fb_display jive_vgg2432a4_display
[] = {
287 .left_margin
= LCD_LEFT_MARGIN
,
288 .right_margin
= LCD_RIGHT_MARGIN
,
289 .upper_margin
= LCD_UPPER_MARGIN
,
290 .lower_margin
= LCD_LOWER_MARGIN
,
291 .hsync_len
= LCD_HSYNC
,
292 .vsync_len
= LCD_VSYNC
,
294 .pixclock
= (1000000000000LL /
295 (LCD_REFRESH
* LCD_HTOT
* LCD_VTOT
)),
298 .type
= (S3C2410_LCDCON1_TFT16BPP
|
299 S3C2410_LCDCON1_TFT
),
301 .lcdcon5
= (S3C2410_LCDCON5_FRM565
|
302 S3C2410_LCDCON5_INVVLINE
|
303 S3C2410_LCDCON5_INVVFRAME
|
304 S3C2410_LCDCON5_INVVDEN
|
305 S3C2410_LCDCON5_PWREN
),
309 /* todo - put into gpio header */
311 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
312 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
314 static struct s3c2410fb_mach_info jive_lcd_config
= {
315 .displays
= jive_vgg2432a4_display
,
316 .num_displays
= ARRAY_SIZE(jive_vgg2432a4_display
),
317 .default_display
= 0,
319 /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
320 * and disable the pull down resistors on pins we are using for LCD
323 .gpcup
= (0xf << 1) | (0x3f << 10),
325 .gpccon
= (S3C2410_GPC1_VCLK
| S3C2410_GPC2_VLINE
|
326 S3C2410_GPC3_VFRAME
| S3C2410_GPC4_VM
|
327 S3C2410_GPC10_VD2
| S3C2410_GPC11_VD3
|
328 S3C2410_GPC12_VD4
| S3C2410_GPC13_VD5
|
329 S3C2410_GPC14_VD6
| S3C2410_GPC15_VD7
),
331 .gpccon_mask
= (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
332 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
333 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
334 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
335 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
337 .gpdup
= (0x3f << 2) | (0x3f << 10),
339 .gpdcon
= (S3C2410_GPD2_VD10
| S3C2410_GPD3_VD11
|
340 S3C2410_GPD4_VD12
| S3C2410_GPD5_VD13
|
341 S3C2410_GPD6_VD14
| S3C2410_GPD7_VD15
|
342 S3C2410_GPD10_VD18
| S3C2410_GPD11_VD19
|
343 S3C2410_GPD12_VD20
| S3C2410_GPD13_VD21
|
344 S3C2410_GPD14_VD22
| S3C2410_GPD15_VD23
),
346 .gpdcon_mask
= (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
347 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
348 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
349 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
350 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
351 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
354 /* ILI9320 support. */
356 static void jive_lcm_reset(unsigned int set
)
358 printk(KERN_DEBUG
"%s(%d)\n", __func__
, set
);
360 s3c2410_gpio_setpin(S3C2410_GPG(13), set
);
361 s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT
);
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 s3c2410_gpio_setpin(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 s3c2410_gpio_setpin(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(struct sys_device
*sd
, pm_message_t state
)
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 int jive_pm_resume(struct sys_device
*sd
)
503 __raw_writel(0x0, S3C2412_INFORM0
);
508 #define jive_pm_suspend NULL
509 #define jive_pm_resume NULL
512 static struct sysdev_class jive_pm_sysclass
= {
514 .suspend
= jive_pm_suspend
,
515 .resume
= jive_pm_resume
,
518 static struct sys_device jive_pm_sysdev
= {
519 .cls
= &jive_pm_sysclass
,
522 static void __init
jive_map_io(void)
524 s3c24xx_init_io(jive_iodesc
, ARRAY_SIZE(jive_iodesc
));
525 s3c24xx_init_clocks(12000000);
526 s3c24xx_init_uarts(jive_uartcfgs
, ARRAY_SIZE(jive_uartcfgs
));
529 static void jive_power_off(void)
531 printk(KERN_INFO
"powering system down...\n");
533 s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
534 s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT
);
537 static void __init
jive_machine_init(void)
539 /* register system devices for managing low level suspend */
541 sysdev_class_register(&jive_pm_sysclass
);
542 sysdev_register(&jive_pm_sysdev
);
544 /* write our sleep configurations for the IO. Pull down all unused
545 * IO, ensure that we have turned off all peripherals we do not
546 * need, and configure the ones we do need. */
550 __raw_writel(S3C2412_SLPCON_IN(0) |
551 S3C2412_SLPCON_PULL(1) |
552 S3C2412_SLPCON_HIGH(2) |
553 S3C2412_SLPCON_PULL(3) |
554 S3C2412_SLPCON_PULL(4) |
555 S3C2412_SLPCON_PULL(5) |
556 S3C2412_SLPCON_PULL(6) |
557 S3C2412_SLPCON_HIGH(7) |
558 S3C2412_SLPCON_PULL(8) |
559 S3C2412_SLPCON_PULL(9) |
560 S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON
);
564 __raw_writel(S3C2412_SLPCON_PULL(0) |
565 S3C2412_SLPCON_PULL(1) |
566 S3C2412_SLPCON_PULL(2) |
567 S3C2412_SLPCON_PULL(3) |
568 S3C2412_SLPCON_PULL(4) |
569 S3C2412_SLPCON_PULL(5) |
570 S3C2412_SLPCON_LOW(6) |
571 S3C2412_SLPCON_PULL(6) |
572 S3C2412_SLPCON_PULL(7) |
573 S3C2412_SLPCON_PULL(8) |
574 S3C2412_SLPCON_PULL(9) |
575 S3C2412_SLPCON_PULL(10) |
576 S3C2412_SLPCON_PULL(11) |
577 S3C2412_SLPCON_PULL(12) |
578 S3C2412_SLPCON_PULL(13) |
579 S3C2412_SLPCON_PULL(14) |
580 S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON
);
584 __raw_writel(S3C2412_SLPCON_ALL_PULL
, S3C2412_GPDSLPCON
);
588 __raw_writel(S3C2412_SLPCON_LOW(0) |
589 S3C2412_SLPCON_LOW(1) |
590 S3C2412_SLPCON_LOW(2) |
591 S3C2412_SLPCON_EINT(3) |
592 S3C2412_SLPCON_EINT(4) |
593 S3C2412_SLPCON_EINT(5) |
594 S3C2412_SLPCON_EINT(6) |
595 S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON
);
599 __raw_writel(S3C2412_SLPCON_IN(0) |
600 S3C2412_SLPCON_IN(1) |
601 S3C2412_SLPCON_IN(2) |
602 S3C2412_SLPCON_IN(3) |
603 S3C2412_SLPCON_IN(4) |
604 S3C2412_SLPCON_IN(5) |
605 S3C2412_SLPCON_IN(6) |
606 S3C2412_SLPCON_IN(7) |
607 S3C2412_SLPCON_PULL(8) |
608 S3C2412_SLPCON_PULL(9) |
609 S3C2412_SLPCON_IN(10) |
610 S3C2412_SLPCON_PULL(11) |
611 S3C2412_SLPCON_PULL(12) |
612 S3C2412_SLPCON_PULL(13) |
613 S3C2412_SLPCON_IN(14) |
614 S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON
);
618 __raw_writel(S3C2412_SLPCON_PULL(0) |
619 S3C2412_SLPCON_PULL(1) |
620 S3C2412_SLPCON_PULL(2) |
621 S3C2412_SLPCON_PULL(3) |
622 S3C2412_SLPCON_PULL(4) |
623 S3C2412_SLPCON_PULL(5) |
624 S3C2412_SLPCON_PULL(6) |
625 S3C2412_SLPCON_IN(7) |
626 S3C2412_SLPCON_IN(8) |
627 S3C2412_SLPCON_PULL(9) |
628 S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON
);
630 /* initialise the power management now we've setup everything. */
634 s3c_device_nand
.dev
.platform_data
= &jive_nand_info
;
636 /* initialise the spi */
638 s3c2410_gpio_setpin(S3C2410_GPG(13), 0);
639 s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT
);
641 s3c2410_gpio_setpin(S3C2410_GPB(7), 1);
642 s3c2410_gpio_cfgpin(S3C2410_GPB(7), S3C2410_GPIO_OUTPUT
);
644 s3c2410_gpio_setpin(S3C2410_GPB(6), 0);
645 s3c2410_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT
);
647 s3c2410_gpio_setpin(S3C2410_GPG(8), 1);
648 s3c2410_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT
);
650 /* initialise the WM8750 spi */
652 s3c2410_gpio_setpin(S3C2410_GPH(10), 1);
653 s3c2410_gpio_cfgpin(S3C2410_GPH(10), S3C2410_GPIO_OUTPUT
);
655 /* Turn off suspend on both USB ports, and switch the
656 * selectable USB port to USB device mode. */
658 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST
|
659 S3C2410_MISCCR_USBSUSPND0
|
660 S3C2410_MISCCR_USBSUSPND1
, 0x0);
662 s3c24xx_udc_set_platdata(&jive_udc_cfg
);
663 s3c24xx_fb_set_platdata(&jive_lcd_config
);
665 spi_register_board_info(jive_spi_devs
, ARRAY_SIZE(jive_spi_devs
));
667 s3c_i2c0_set_platdata(&jive_i2c_cfg
);
668 i2c_register_board_info(0, jive_i2c_devs
, ARRAY_SIZE(jive_i2c_devs
));
670 pm_power_off
= jive_power_off
;
672 platform_add_devices(jive_devices
, ARRAY_SIZE(jive_devices
));
675 MACHINE_START(JIVE
, "JIVE")
676 /* Maintainer: Ben Dooks <ben@fluff.org> */
677 .phys_io
= S3C2410_PA_UART
,
678 .io_pg_offst
= (((u32
)S3C24XX_VA_UART
) >> 18) & 0xfffc,
679 .boot_params
= S3C2410_SDRAM_PA
+ 0x100,
681 .init_irq
= s3c24xx_init_irq
,
682 .map_io
= jive_map_io
,
683 .init_machine
= jive_machine_init
,
684 .timer
= &s3c24xx_timer
,