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/sysdev.h>
20 #include <linux/serial_core.h>
21 #include <linux/platform_device.h>
23 #include <linux/spi/spi.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/partitions.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/irq.h>
32 #include <asm/plat-s3c/regs-serial.h>
33 #include <asm/plat-s3c/nand.h>
35 #include <asm/arch/regs-power.h>
36 #include <asm/arch/regs-gpio.h>
37 #include <asm/arch/regs-mem.h>
38 #include <asm/arch/regs-lcd.h>
39 #include <asm/arch/spi-gpio.h>
40 #include <asm/arch/fb.h>
42 #include <asm/mach-types.h>
44 #include <linux/mtd/mtd.h>
45 #include <linux/mtd/nand.h>
46 #include <linux/mtd/nand_ecc.h>
47 #include <linux/mtd/partitions.h>
49 #include <asm/plat-s3c24xx/clock.h>
50 #include <asm/plat-s3c24xx/devs.h>
51 #include <asm/plat-s3c24xx/cpu.h>
52 #include <asm/plat-s3c24xx/pm.h>
53 #include <asm/plat-s3c24xx/udc.h>
55 static struct map_desc jive_iodesc[] __initdata = {
58 #define UCON S3C2410_UCON_DEFAULT
59 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
60 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
62 static struct s3c2410_uartcfg jive_uartcfgs[] = {
86 /* Jive flash assignment
88 * 0x00000000-0x00028000 : uboot
89 * 0x00028000-0x0002c000 : uboot env
90 * 0x0002c000-0x00030000 : spare
91 * 0x00030000-0x00200000 : zimage A
92 * 0x00200000-0x01600000 : cramfs A
93 * 0x01600000-0x017d0000 : zimage B
94 * 0x017d0000-0x02bd0000 : cramfs B
95 * 0x02bd0000-0x03fd0000 : yaffs
97 static struct mtd_partition jive_imageA_nand_part[] = {
99 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
100 /* Don't allow access to the bootloader from linux */
104 .size = (160 * SZ_1K),
105 .mask_flags = MTD_WRITEABLE, /* force read-only */
111 .offset = (176 * SZ_1K),
112 .size = (16 * SZ_1K),
118 .name = "kernel (ro)",
119 .offset = (192 * SZ_1K),
120 .size = (SZ_2M) - (192 * SZ_1K),
121 .mask_flags = MTD_WRITEABLE, /* force read-only */
125 .size = (20 * SZ_1M),
126 .mask_flags = MTD_WRITEABLE, /* force read-only */
132 .offset = (44 * SZ_1M),
133 .size = (20 * SZ_1M),
136 /* bootloader environment */
139 .offset = (160 * SZ_1K),
140 .size = (16 * SZ_1K),
146 .offset = (22 * SZ_1M),
147 .size = (2 * SZ_1M) - (192 * SZ_1K),
150 .offset = (24 * SZ_1M) - (192*SZ_1K),
151 .size = (20 * SZ_1M),
155 static struct mtd_partition jive_imageB_nand_part[] = {
157 #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER
158 /* Don't allow access to the bootloader from linux */
162 .size = (160 * SZ_1K),
163 .mask_flags = MTD_WRITEABLE, /* force read-only */
169 .offset = (176 * SZ_1K),
170 .size = (16 * SZ_1K),
176 .name = "kernel (ro)",
177 .offset = (22 * SZ_1M),
178 .size = (2 * SZ_1M) - (192 * SZ_1K),
179 .mask_flags = MTD_WRITEABLE, /* force read-only */
183 .offset = (24 * SZ_1M) - (192 * SZ_1K),
184 .size = (20 * SZ_1M),
185 .mask_flags = MTD_WRITEABLE, /* force read-only */
191 .offset = (44 * SZ_1M),
192 .size = (20 * SZ_1M),
195 /* bootloader environment */
198 .offset = (160 * SZ_1K),
199 .size = (16 * SZ_1K),
205 .offset = (192 * SZ_1K),
206 .size = (2 * SZ_1M) - (192 * SZ_1K),
209 .offset = (2 * SZ_1M),
210 .size = (20 * SZ_1M),
214 static struct s3c2410_nand_set jive_nand_sets[] = {
218 .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part),
219 .partitions = jive_imageA_nand_part,
223 static struct s3c2410_platform_nand jive_nand_info = {
224 /* set taken from osiris nand timings, possibly still conservative */
228 .sets = jive_nand_sets,
229 .nr_sets = ARRAY_SIZE(jive_nand_sets),
232 static int __init jive_mtdset(char *options)
234 struct s3c2410_nand_set *nand = &jive_nand_sets[0];
237 if (options == NULL || options[0] == '\0')
240 if (strict_strtoul(options, 10, &set)) {
241 printk(KERN_ERR "failed to parse mtdset=%s\n", options);
247 nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part);
248 nand->partitions = jive_imageB_nand_part;
250 /* this is already setup in the nand info */
253 printk(KERN_ERR "Unknown mtd set %ld specified,"
254 "using default.", set);
260 /* parse the mtdset= option given to the kernel command line */
261 __setup("mtdset=", jive_mtdset);
263 /* LCD timing and setup */
265 #define LCD_XRES (240)
266 #define LCD_YRES (320)
267 #define LCD_LEFT_MARGIN (12)
268 #define LCD_RIGHT_MARGIN (12)
269 #define LCD_LOWER_MARGIN (12)
270 #define LCD_UPPER_MARGIN (12)
271 #define LCD_VSYNC (2)
272 #define LCD_HSYNC (2)
274 #define LCD_REFRESH (60)
276 #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN)
277 #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN)
279 struct s3c2410fb_display jive_vgg2432a4_display[] = {
285 .left_margin = LCD_LEFT_MARGIN,
286 .right_margin = LCD_RIGHT_MARGIN,
287 .upper_margin = LCD_UPPER_MARGIN,
288 .lower_margin = LCD_LOWER_MARGIN,
289 .hsync_len = LCD_HSYNC,
290 .vsync_len = LCD_VSYNC,
292 .pixclock = (1000000000000LL /
293 (LCD_REFRESH * LCD_HTOT * LCD_VTOT)),
296 .type = (S3C2410_LCDCON1_TFT16BPP |
297 S3C2410_LCDCON1_TFT),
299 .lcdcon5 = (S3C2410_LCDCON5_FRM565 |
300 S3C2410_LCDCON5_INVVLINE |
301 S3C2410_LCDCON5_INVVFRAME |
302 S3C2410_LCDCON5_INVVDEN |
303 S3C2410_LCDCON5_PWREN),
307 /* todo - put into gpio header */
309 #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2))
310 #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2))
312 struct s3c2410fb_mach_info jive_lcd_config = {
313 .displays = jive_vgg2432a4_display,
314 .num_displays = ARRAY_SIZE(jive_vgg2432a4_display),
315 .default_display = 0,
317 /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN
318 * and disable the pull down resistors on pins we are using for LCD
321 .gpcup = (0xf << 1) | (0x3f << 10),
323 .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE |
324 S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM |
325 S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 |
326 S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 |
327 S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7),
329 .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) |
330 S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) |
331 S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) |
332 S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) |
333 S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)),
335 .gpdup = (0x3f << 2) | (0x3f << 10),
337 .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 |
338 S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 |
339 S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 |
340 S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 |
341 S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 |
342 S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23),
344 .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) |
345 S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) |
346 S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) |
347 S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)|
348 S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)|
349 S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
352 /* LCD SPI support */
354 static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)
356 s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1);
359 static struct s3c2410_spigpio_info jive_lcd_spi = {
361 .pin_clk = S3C2410_GPG8,
362 .pin_mosi = S3C2410_GPB8,
363 .chip_select = jive_lcd_spi_chipselect,
366 static struct platform_device jive_device_lcdspi = {
367 .name = "s3c24xx-spi-gpio",
370 .dev.platform_data = &jive_lcd_spi,
373 /* JIVE SPI devices. */
376 static struct spi_board_info __initdata jive_spi_devs[] = {
378 .modalias = "VGG2432A4",
381 .mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */
382 .max_speed_hz = 100000,
387 static struct platform_device *jive_devices[] __initdata = {
395 &s3c_device_usbgadget,
398 static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
399 .vbus_pin = S3C2410_GPG1, /* detect is on GPG1 */
402 /* Jive power management device */
405 static int jive_pm_suspend(struct sys_device *sd, pm_message_t state)
407 /* Write the magic value u-boot uses to check for resume into
408 * the INFORM0 register, and ensure INFORM1 is set to the
409 * correct address to resume from. */
411 __raw_writel(0x2BED, S3C2412_INFORM0);
412 __raw_writel(virt_to_phys(s3c2410_cpu_resume), S3C2412_INFORM1);
417 static int jive_pm_resume(struct sys_device *sd)
419 __raw_writel(0x0, S3C2412_INFORM0);
424 #define jive_pm_suspend NULL
425 #define jive_pm_resume NULL
428 static struct sysdev_class jive_pm_sysclass = {
430 .suspend = jive_pm_suspend,
431 .resume = jive_pm_resume,
434 static struct sys_device jive_pm_sysdev = {
435 .cls = &jive_pm_sysclass,
438 static void __init jive_map_io(void)
440 s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc));
441 s3c24xx_init_clocks(12000000);
442 s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs));
445 static void __init jive_machine_init(void)
447 /* register system devices for managing low level suspend */
449 sysdev_class_register(&jive_pm_sysclass);
450 sysdev_register(&jive_pm_sysdev);
452 /* write our sleep configurations for the IO. Pull down all unused
453 * IO, ensure that we have turned off all peripherals we do not
454 * need, and configure the ones we do need. */
458 __raw_writel(S3C2412_SLPCON_IN(0) |
459 S3C2412_SLPCON_PULL(1) |
460 S3C2412_SLPCON_HIGH(2) |
461 S3C2412_SLPCON_PULL(3) |
462 S3C2412_SLPCON_PULL(4) |
463 S3C2412_SLPCON_PULL(5) |
464 S3C2412_SLPCON_PULL(6) |
465 S3C2412_SLPCON_HIGH(7) |
466 S3C2412_SLPCON_PULL(8) |
467 S3C2412_SLPCON_PULL(9) |
468 S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON);
472 __raw_writel(S3C2412_SLPCON_PULL(0) |
473 S3C2412_SLPCON_PULL(1) |
474 S3C2412_SLPCON_PULL(2) |
475 S3C2412_SLPCON_PULL(3) |
476 S3C2412_SLPCON_PULL(4) |
477 S3C2412_SLPCON_PULL(5) |
478 S3C2412_SLPCON_LOW(6) |
479 S3C2412_SLPCON_PULL(6) |
480 S3C2412_SLPCON_PULL(7) |
481 S3C2412_SLPCON_PULL(8) |
482 S3C2412_SLPCON_PULL(9) |
483 S3C2412_SLPCON_PULL(10) |
484 S3C2412_SLPCON_PULL(11) |
485 S3C2412_SLPCON_PULL(12) |
486 S3C2412_SLPCON_PULL(13) |
487 S3C2412_SLPCON_PULL(14) |
488 S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON);
492 __raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON);
496 __raw_writel(S3C2412_SLPCON_LOW(0) |
497 S3C2412_SLPCON_LOW(1) |
498 S3C2412_SLPCON_LOW(2) |
499 S3C2412_SLPCON_EINT(3) |
500 S3C2412_SLPCON_EINT(4) |
501 S3C2412_SLPCON_EINT(5) |
502 S3C2412_SLPCON_EINT(6) |
503 S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON);
507 __raw_writel(S3C2412_SLPCON_IN(0) |
508 S3C2412_SLPCON_IN(1) |
509 S3C2412_SLPCON_IN(2) |
510 S3C2412_SLPCON_IN(3) |
511 S3C2412_SLPCON_IN(4) |
512 S3C2412_SLPCON_IN(5) |
513 S3C2412_SLPCON_IN(6) |
514 S3C2412_SLPCON_IN(7) |
515 S3C2412_SLPCON_PULL(8) |
516 S3C2412_SLPCON_PULL(9) |
517 S3C2412_SLPCON_IN(10) |
518 S3C2412_SLPCON_PULL(11) |
519 S3C2412_SLPCON_PULL(12) |
520 S3C2412_SLPCON_PULL(13) |
521 S3C2412_SLPCON_IN(14) |
522 S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON);
526 __raw_writel(S3C2412_SLPCON_PULL(0) |
527 S3C2412_SLPCON_PULL(1) |
528 S3C2412_SLPCON_PULL(2) |
529 S3C2412_SLPCON_PULL(3) |
530 S3C2412_SLPCON_PULL(4) |
531 S3C2412_SLPCON_PULL(5) |
532 S3C2412_SLPCON_PULL(6) |
533 S3C2412_SLPCON_IN(7) |
534 S3C2412_SLPCON_IN(8) |
535 S3C2412_SLPCON_PULL(9) |
536 S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON);
538 /* initialise the power management now we've setup everything. */
542 s3c_device_nand.dev.platform_data = &jive_nand_info;
544 /* initialise the spi */
546 s3c2410_gpio_setpin(S3C2410_GPG13, 0);
547 s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
549 s3c2410_gpio_setpin(S3C2410_GPB7, 1);
550 s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT);
552 s3c2410_gpio_setpin(S3C2410_GPB6, 0);
553 s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT);
555 s3c2410_gpio_setpin(S3C2410_GPG8, 1);
556 s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT);
558 /* Turn off suspend on both USB ports, and switch the
559 * selectable USB port to USB device mode. */
561 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
562 S3C2410_MISCCR_USBSUSPND0 |
563 S3C2410_MISCCR_USBSUSPND1, 0x0);
565 s3c24xx_udc_set_platdata(&jive_udc_cfg);
566 s3c24xx_fb_set_platdata(&jive_lcd_config);
568 spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs));
570 platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
573 MACHINE_START(JIVE, "JIVE")
574 /* Maintainer: Ben Dooks <ben@fluff.org> */
575 .phys_io = S3C2410_PA_UART,
576 .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
577 .boot_params = S3C2410_SDRAM_PA + 0x100,
579 .init_irq = s3c24xx_init_irq,
580 .map_io = jive_map_io,
581 .init_machine = jive_machine_init,
582 .timer = &s3c24xx_timer,