diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/mach-jive.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-jive.c | 678 |
1 files changed, 678 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c new file mode 100644 index 000000000..eedc9f8ed --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -0,0 +1,678 @@ +// 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 1; + + if (kstrtoul(options, 10, &set)) { + printk(KERN_ERR "failed to parse mtdset=%s\n", options); + return 1; + } + + 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 1; +} + +/* 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 |