// SPDX-License-Identifier: GPL-2.0 // // Copyright 2007 Simtec Electronics // Ben Dooks <ben@simtec.co.uk> // // http://armlinux.simtec.co.uk/ #include <linux/kernel.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/list.h> #include <linux/timer.h> #include <linux/init.h> #include <linux/gpio.h> #include <linux/gpio/machine.h> #include <linux/syscore_ops.h> #include <linux/serial_core.h> #include <linux/serial_s3c.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <video/ili9320.h> #include <linux/spi/spi.h> #include <linux/spi/spi_gpio.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> #include <linux/platform_data/mtd-nand-s3c2410.h> #include <linux/platform_data/i2c-s3c2410.h> #include <mach/regs-gpio.h> #include <mach/regs-lcd.h> #include <mach/fb.h> #include <mach/gpio-samsung.h> #include <asm/mach-types.h> #include <linux/mtd/mtd.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/nand_ecc.h> #include <linux/mtd/partitions.h> #include <plat/gpio-cfg.h> #include <plat/devs.h> #include <plat/cpu.h> #include <plat/pm.h> #include <linux/platform_data/usb-s3c2410_udc.h> #include <plat/samsung-time.h> #include "common.h" #include "s3c2412-power.h" static struct map_desc jive_iodesc[] __initdata = { }; #define UCON S3C2410_UCON_DEFAULT #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE static struct s3c2410_uartcfg jive_uartcfgs[] = { [0] = { .hwport = 0, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, [1] = { .hwport = 1, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, }, [2] = { .hwport = 2, .flags = 0, .ucon = UCON, .ulcon = ULCON, .ufcon = UFCON, } }; /* Jive flash assignment * * 0x00000000-0x00028000 : uboot * 0x00028000-0x0002c000 : uboot env * 0x0002c000-0x00030000 : spare * 0x00030000-0x00200000 : zimage A * 0x00200000-0x01600000 : cramfs A * 0x01600000-0x017d0000 : zimage B * 0x017d0000-0x02bd0000 : cramfs B * 0x02bd0000-0x03fd0000 : yaffs */ static struct mtd_partition __initdata jive_imageA_nand_part[] = { #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER /* Don't allow access to the bootloader from linux */ { .name = "uboot", .offset = 0, .size = (160 * SZ_1K), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* spare */ { .name = "spare", .offset = (176 * SZ_1K), .size = (16 * SZ_1K), }, #endif /* booted images */ { .name = "kernel (ro)", .offset = (192 * SZ_1K), .size = (SZ_2M) - (192 * SZ_1K), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "root (ro)", .offset = (SZ_2M), .size = (20 * SZ_1M), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* yaffs */ { .name = "yaffs", .offset = (44 * SZ_1M), .size = (20 * SZ_1M), }, /* bootloader environment */ { .name = "env", .offset = (160 * SZ_1K), .size = (16 * SZ_1K), }, /* upgrade images */ { .name = "zimage", .offset = (22 * SZ_1M), .size = (2 * SZ_1M) - (192 * SZ_1K), }, { .name = "cramfs", .offset = (24 * SZ_1M) - (192*SZ_1K), .size = (20 * SZ_1M), }, }; static struct mtd_partition __initdata jive_imageB_nand_part[] = { #ifdef CONFIG_MACH_JIVE_SHOW_BOOTLOADER /* Don't allow access to the bootloader from linux */ { .name = "uboot", .offset = 0, .size = (160 * SZ_1K), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* spare */ { .name = "spare", .offset = (176 * SZ_1K), .size = (16 * SZ_1K), }, #endif /* booted images */ { .name = "kernel (ro)", .offset = (22 * SZ_1M), .size = (2 * SZ_1M) - (192 * SZ_1K), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { .name = "root (ro)", .offset = (24 * SZ_1M) - (192 * SZ_1K), .size = (20 * SZ_1M), .mask_flags = MTD_WRITEABLE, /* force read-only */ }, /* yaffs */ { .name = "yaffs", .offset = (44 * SZ_1M), .size = (20 * SZ_1M), }, /* bootloader environment */ { .name = "env", .offset = (160 * SZ_1K), .size = (16 * SZ_1K), }, /* upgrade images */ { .name = "zimage", .offset = (192 * SZ_1K), .size = (2 * SZ_1M) - (192 * SZ_1K), }, { .name = "cramfs", .offset = (2 * SZ_1M), .size = (20 * SZ_1M), }, }; static struct s3c2410_nand_set __initdata jive_nand_sets[] = { [0] = { .name = "flash", .nr_chips = 1, .nr_partitions = ARRAY_SIZE(jive_imageA_nand_part), .partitions = jive_imageA_nand_part, }, }; static struct s3c2410_platform_nand __initdata jive_nand_info = { /* set taken from osiris nand timings, possibly still conservative */ .tacls = 30, .twrph0 = 55, .twrph1 = 40, .sets = jive_nand_sets, .nr_sets = ARRAY_SIZE(jive_nand_sets), .ecc_mode = NAND_ECC_SOFT, }; static int __init jive_mtdset(char *options) { struct s3c2410_nand_set *nand = &jive_nand_sets[0]; unsigned long set; if (options == NULL || options[0] == '\0') return 0; if (kstrtoul(options, 10, &set)) { printk(KERN_ERR "failed to parse mtdset=%s\n", options); return 0; } switch (set) { case 1: nand->nr_partitions = ARRAY_SIZE(jive_imageB_nand_part); nand->partitions = jive_imageB_nand_part; case 0: /* this is already setup in the nand info */ break; default: printk(KERN_ERR "Unknown mtd set %ld specified," "using default.", set); } return 0; } /* parse the mtdset= option given to the kernel command line */ __setup("mtdset=", jive_mtdset); /* LCD timing and setup */ #define LCD_XRES (240) #define LCD_YRES (320) #define LCD_LEFT_MARGIN (12) #define LCD_RIGHT_MARGIN (12) #define LCD_LOWER_MARGIN (12) #define LCD_UPPER_MARGIN (12) #define LCD_VSYNC (2) #define LCD_HSYNC (2) #define LCD_REFRESH (60) #define LCD_HTOT (LCD_HSYNC + LCD_LEFT_MARGIN + LCD_XRES + LCD_RIGHT_MARGIN) #define LCD_VTOT (LCD_VSYNC + LCD_LOWER_MARGIN + LCD_YRES + LCD_UPPER_MARGIN) static struct s3c2410fb_display jive_vgg2432a4_display[] = { [0] = { .width = LCD_XRES, .height = LCD_YRES, .xres = LCD_XRES, .yres = LCD_YRES, .left_margin = LCD_LEFT_MARGIN, .right_margin = LCD_RIGHT_MARGIN, .upper_margin = LCD_UPPER_MARGIN, .lower_margin = LCD_LOWER_MARGIN, .hsync_len = LCD_HSYNC, .vsync_len = LCD_VSYNC, .pixclock = (1000000000000LL / (LCD_REFRESH * LCD_HTOT * LCD_VTOT)), .bpp = 16, .type = (S3C2410_LCDCON1_TFT16BPP | S3C2410_LCDCON1_TFT), .lcdcon5 = (S3C2410_LCDCON5_FRM565 | S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME | S3C2410_LCDCON5_INVVDEN | S3C2410_LCDCON5_PWREN), }, }; /* todo - put into gpio header */ #define S3C2410_GPCCON_MASK(x) (3 << ((x) * 2)) #define S3C2410_GPDCON_MASK(x) (3 << ((x) * 2)) static struct s3c2410fb_mach_info jive_lcd_config = { .displays = jive_vgg2432a4_display, .num_displays = ARRAY_SIZE(jive_vgg2432a4_display), .default_display = 0, /* Enable VD[2..7], VD[10..15], VD[18..23] and VCLK, syncs, VDEN * and disable the pull down resistors on pins we are using for LCD * data. */ .gpcup = (0xf << 1) | (0x3f << 10), .gpccon = (S3C2410_GPC1_VCLK | S3C2410_GPC2_VLINE | S3C2410_GPC3_VFRAME | S3C2410_GPC4_VM | S3C2410_GPC10_VD2 | S3C2410_GPC11_VD3 | S3C2410_GPC12_VD4 | S3C2410_GPC13_VD5 | S3C2410_GPC14_VD6 | S3C2410_GPC15_VD7), .gpccon_mask = (S3C2410_GPCCON_MASK(1) | S3C2410_GPCCON_MASK(2) | S3C2410_GPCCON_MASK(3) | S3C2410_GPCCON_MASK(4) | S3C2410_GPCCON_MASK(10) | S3C2410_GPCCON_MASK(11) | S3C2410_GPCCON_MASK(12) | S3C2410_GPCCON_MASK(13) | S3C2410_GPCCON_MASK(14) | S3C2410_GPCCON_MASK(15)), .gpdup = (0x3f << 2) | (0x3f << 10), .gpdcon = (S3C2410_GPD2_VD10 | S3C2410_GPD3_VD11 | S3C2410_GPD4_VD12 | S3C2410_GPD5_VD13 | S3C2410_GPD6_VD14 | S3C2410_GPD7_VD15 | S3C2410_GPD10_VD18 | S3C2410_GPD11_VD19 | S3C2410_GPD12_VD20 | S3C2410_GPD13_VD21 | S3C2410_GPD14_VD22 | S3C2410_GPD15_VD23), .gpdcon_mask = (S3C2410_GPDCON_MASK(2) | S3C2410_GPDCON_MASK(3) | S3C2410_GPDCON_MASK(4) | S3C2410_GPDCON_MASK(5) | S3C2410_GPDCON_MASK(6) | S3C2410_GPDCON_MASK(7) | S3C2410_GPDCON_MASK(10) | S3C2410_GPDCON_MASK(11)| S3C2410_GPDCON_MASK(12) | S3C2410_GPDCON_MASK(13)| S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)), }; /* ILI9320 support. */ static void jive_lcm_reset(unsigned int set) { printk(KERN_DEBUG "%s(%d)\n", __func__, set); gpio_set_value(S3C2410_GPG(13), set); } #undef LCD_UPPER_MARGIN #define LCD_UPPER_MARGIN 2 static struct ili9320_platdata jive_lcm_config = { .hsize = LCD_XRES, .vsize = LCD_YRES, .reset = jive_lcm_reset, .suspend = ILI9320_SUSPEND_DEEP, .entry_mode = ILI9320_ENTRYMODE_ID(3) | ILI9320_ENTRYMODE_BGR, .display2 = (ILI9320_DISPLAY2_FP(LCD_UPPER_MARGIN) | ILI9320_DISPLAY2_BP(LCD_LOWER_MARGIN)), .display3 = 0x0, .display4 = 0x0, .rgb_if1 = (ILI9320_RGBIF1_RIM_RGB18 | ILI9320_RGBIF1_RM | ILI9320_RGBIF1_CLK_RGBIF), .rgb_if2 = ILI9320_RGBIF2_DPL, .interface2 = 0x0, .interface3 = 0x3, .interface4 = (ILI9320_INTERFACE4_RTNE(16) | ILI9320_INTERFACE4_DIVE(1)), .interface5 = 0x0, .interface6 = 0x0, }; /* LCD SPI support */ static struct spi_gpio_platform_data jive_lcd_spi = { .num_chipselect = 1, }; static struct platform_device jive_device_lcdspi = { .name = "spi_gpio", .id = 1, .dev.platform_data = &jive_lcd_spi, }; static struct gpiod_lookup_table jive_lcdspi_gpiod_table = { .dev_id = "spi_gpio", .table = { GPIO_LOOKUP("GPIOG", 8, "sck", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOB", 8, "mosi", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOB", 7, "cs", GPIO_ACTIVE_HIGH), { }, }, }; /* WM8750 audio code SPI definition */ static struct spi_gpio_platform_data jive_wm8750_spi = { .num_chipselect = 1, }; static struct platform_device jive_device_wm8750 = { .name = "spi_gpio", .id = 2, .dev.platform_data = &jive_wm8750_spi, }; static struct gpiod_lookup_table jive_wm8750_gpiod_table = { .dev_id = "spi_gpio", .table = { GPIO_LOOKUP("GPIOB", 4, "sck", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOB", 9, "mosi", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOH", 10, "cs", GPIO_ACTIVE_HIGH), { }, }, }; /* JIVE SPI devices. */ static struct spi_board_info __initdata jive_spi_devs[] = { [0] = { .modalias = "VGG2432A4", .bus_num = 1, .chip_select = 0, .mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */ .max_speed_hz = 100000, .platform_data = &jive_lcm_config, }, { .modalias = "WM8750", .bus_num = 2, .chip_select = 0, .mode = SPI_MODE_0, /* CPOL=0, CPHA=0 */ .max_speed_hz = 100000, }, }; /* I2C bus and device configuration. */ static struct s3c2410_platform_i2c jive_i2c_cfg __initdata = { .frequency = 80 * 1000, .flags = S3C_IICFLG_FILTER, .sda_delay = 2, }; static struct i2c_board_info jive_i2c_devs[] __initdata = { [0] = { I2C_BOARD_INFO("lis302dl", 0x1c), .irq = IRQ_EINT14, }, }; /* The platform devices being used. */ static struct platform_device *jive_devices[] __initdata = { &s3c_device_ohci, &s3c_device_rtc, &s3c_device_wdt, &s3c_device_i2c0, &s3c_device_lcd, &jive_device_lcdspi, &jive_device_wm8750, &s3c_device_nand, &s3c_device_usbgadget, &s3c2412_device_dma, }; static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = { .vbus_pin = S3C2410_GPG(1), /* detect is on GPG1 */ }; /* Jive power management device */ #ifdef CONFIG_PM static int jive_pm_suspend(void) { /* Write the magic value u-boot uses to check for resume into * the INFORM0 register, and ensure INFORM1 is set to the * correct address to resume from. */ __raw_writel(0x2BED, S3C2412_INFORM0); __raw_writel(__pa_symbol(s3c_cpu_resume), S3C2412_INFORM1); return 0; } static void jive_pm_resume(void) { __raw_writel(0x0, S3C2412_INFORM0); } #else #define jive_pm_suspend NULL #define jive_pm_resume NULL #endif static struct syscore_ops jive_pm_syscore_ops = { .suspend = jive_pm_suspend, .resume = jive_pm_resume, }; static void __init jive_map_io(void) { s3c24xx_init_io(jive_iodesc, ARRAY_SIZE(jive_iodesc)); s3c24xx_init_uarts(jive_uartcfgs, ARRAY_SIZE(jive_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } static void __init jive_init_time(void) { s3c2412_init_clocks(12000000); samsung_timer_init(); } static void jive_power_off(void) { printk(KERN_INFO "powering system down...\n"); gpio_request_one(S3C2410_GPC(5), GPIOF_OUT_INIT_HIGH, NULL); gpio_free(S3C2410_GPC(5)); } static void __init jive_machine_init(void) { /* register system core operations for managing low level suspend */ register_syscore_ops(&jive_pm_syscore_ops); /* write our sleep configurations for the IO. Pull down all unused * IO, ensure that we have turned off all peripherals we do not * need, and configure the ones we do need. */ /* Port B sleep */ __raw_writel(S3C2412_SLPCON_IN(0) | S3C2412_SLPCON_PULL(1) | S3C2412_SLPCON_HIGH(2) | S3C2412_SLPCON_PULL(3) | S3C2412_SLPCON_PULL(4) | S3C2412_SLPCON_PULL(5) | S3C2412_SLPCON_PULL(6) | S3C2412_SLPCON_HIGH(7) | S3C2412_SLPCON_PULL(8) | S3C2412_SLPCON_PULL(9) | S3C2412_SLPCON_PULL(10), S3C2412_GPBSLPCON); /* Port C sleep */ __raw_writel(S3C2412_SLPCON_PULL(0) | S3C2412_SLPCON_PULL(1) | S3C2412_SLPCON_PULL(2) | S3C2412_SLPCON_PULL(3) | S3C2412_SLPCON_PULL(4) | S3C2412_SLPCON_PULL(5) | S3C2412_SLPCON_LOW(6) | S3C2412_SLPCON_PULL(6) | S3C2412_SLPCON_PULL(7) | S3C2412_SLPCON_PULL(8) | S3C2412_SLPCON_PULL(9) | S3C2412_SLPCON_PULL(10) | S3C2412_SLPCON_PULL(11) | S3C2412_SLPCON_PULL(12) | S3C2412_SLPCON_PULL(13) | S3C2412_SLPCON_PULL(14) | S3C2412_SLPCON_PULL(15), S3C2412_GPCSLPCON); /* Port D sleep */ __raw_writel(S3C2412_SLPCON_ALL_PULL, S3C2412_GPDSLPCON); /* Port F sleep */ __raw_writel(S3C2412_SLPCON_LOW(0) | S3C2412_SLPCON_LOW(1) | S3C2412_SLPCON_LOW(2) | S3C2412_SLPCON_EINT(3) | S3C2412_SLPCON_EINT(4) | S3C2412_SLPCON_EINT(5) | S3C2412_SLPCON_EINT(6) | S3C2412_SLPCON_EINT(7), S3C2412_GPFSLPCON); /* Port G sleep */ __raw_writel(S3C2412_SLPCON_IN(0) | S3C2412_SLPCON_IN(1) | S3C2412_SLPCON_IN(2) | S3C2412_SLPCON_IN(3) | S3C2412_SLPCON_IN(4) | S3C2412_SLPCON_IN(5) | S3C2412_SLPCON_IN(6) | S3C2412_SLPCON_IN(7) | S3C2412_SLPCON_PULL(8) | S3C2412_SLPCON_PULL(9) | S3C2412_SLPCON_IN(10) | S3C2412_SLPCON_PULL(11) | S3C2412_SLPCON_PULL(12) | S3C2412_SLPCON_PULL(13) | S3C2412_SLPCON_IN(14) | S3C2412_SLPCON_PULL(15), S3C2412_GPGSLPCON); /* Port H sleep */ __raw_writel(S3C2412_SLPCON_PULL(0) | S3C2412_SLPCON_PULL(1) | S3C2412_SLPCON_PULL(2) | S3C2412_SLPCON_PULL(3) | S3C2412_SLPCON_PULL(4) | S3C2412_SLPCON_PULL(5) | S3C2412_SLPCON_PULL(6) | S3C2412_SLPCON_IN(7) | S3C2412_SLPCON_IN(8) | S3C2412_SLPCON_PULL(9) | S3C2412_SLPCON_IN(10), S3C2412_GPHSLPCON); /* initialise the power management now we've setup everything. */ s3c_pm_init(); /** TODO - check that this is after the cmdline option! */ s3c_nand_set_platdata(&jive_nand_info); gpio_request(S3C2410_GPG(13), "lcm reset"); gpio_direction_output(S3C2410_GPG(13), 0); gpio_request_one(S3C2410_GPB(6), GPIOF_OUT_INIT_LOW, NULL); gpio_free(S3C2410_GPB(6)); /* Turn off suspend on both USB ports, and switch the * selectable USB port to USB device mode. */ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | S3C2410_MISCCR_USBSUSPND0 | S3C2410_MISCCR_USBSUSPND1, 0x0); s3c24xx_udc_set_platdata(&jive_udc_cfg); s3c24xx_fb_set_platdata(&jive_lcd_config); spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs)); s3c_i2c0_set_platdata(&jive_i2c_cfg); i2c_register_board_info(0, jive_i2c_devs, ARRAY_SIZE(jive_i2c_devs)); pm_power_off = jive_power_off; gpiod_add_lookup_table(&jive_lcdspi_gpiod_table); gpiod_add_lookup_table(&jive_wm8750_gpiod_table); platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices)); } MACHINE_START(JIVE, "JIVE") /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ .atag_offset = 0x100, .init_irq = s3c2412_init_irq, .map_io = jive_map_io, .init_machine = jive_machine_init, .init_time = jive_init_time, MACHINE_END