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Diffstat (limited to '')
-rw-r--r-- | arch/arm/mach-s3c/mach-mini2440.c | 804 |
1 files changed, 804 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-mini2440.c b/arch/arm/mach-s3c/mach-mini2440.c new file mode 100644 index 000000000..283be70ca --- /dev/null +++ b/arch/arm/mach-s3c/mach-mini2440.c @@ -0,0 +1,804 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com> +// Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk> +// and modifications by SBZ <sbz@spgui.org> and +// Weibing <http://weibing.blogbus.com> and +// Michel Pollet <buserror@gmail.com> +// +// For product information, visit https://code.google.com/p/mini2440/ + +#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/input.h> +#include <linux/io.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/dm9000.h> +#include <linux/property.h> +#include <linux/platform_device.h> +#include <linux/gpio_keys.h> +#include <linux/i2c.h> +#include <linux/mmc/host.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <linux/platform_data/fb-s3c2410.h> +#include <asm/mach-types.h> + +#include "regs-gpio.h" +#include <linux/platform_data/leds-s3c24xx.h> +#include "irqs.h" +#include "gpio-samsung.h" +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/mmc-s3cmci.h> +#include <linux/platform_data/usb-s3c2410_udc.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/rawnand.h> +#include <linux/mtd/nand-ecc-sw-hamming.h> +#include <linux/mtd/partitions.h> + +#include "gpio-cfg.h" +#include "devs.h" +#include "cpu.h" + +#include <sound/s3c24xx_uda134x.h> + +#include "s3c24xx.h" + +#define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300) + +static struct map_desc mini2440_iodesc[] __initdata = { + /* nothing to declare, move along */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + + +static struct s3c2410_uartcfg mini2440_uartcfgs[] __initdata = { + [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, + }, +}; + +/* USB device UDC support */ + +static struct s3c2410_udc_mach_info mini2440_udc_cfg __initdata = { +}; + +static struct gpiod_lookup_table mini2440_udc_gpio_table = { + .dev_id = "s3c2410-usbgadget", + .table = { + GPIO_LOOKUP("GPIOC", 5, "pullup", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +/* LCD timing and setup */ + +/* + * This macro simplifies the table bellow + */ +#define _LCD_DECLARE(_clock, _xres, margin_left, margin_right, hsync, \ + _yres, margin_top, margin_bottom, vsync, refresh) \ + .width = _xres, \ + .xres = _xres, \ + .height = _yres, \ + .yres = _yres, \ + .left_margin = margin_left, \ + .right_margin = margin_right, \ + .upper_margin = margin_top, \ + .lower_margin = margin_bottom, \ + .hsync_len = hsync, \ + .vsync_len = vsync, \ + .pixclock = ((_clock*100000000000LL) / \ + ((refresh) * \ + (hsync + margin_left + _xres + margin_right) * \ + (vsync + margin_top + _yres + margin_bottom))), \ + .bpp = 16,\ + .type = (S3C2410_LCDCON1_TFT16BPP |\ + S3C2410_LCDCON1_TFT) + +static struct s3c2410fb_display mini2440_lcd_cfg[] __initdata = { + [0] = { /* mini2440 + 3.5" TFT + touchscreen */ + _LCD_DECLARE( + 7, /* The 3.5 is quite fast */ + 240, 21, 38, 6, /* x timing */ + 320, 4, 4, 2, /* y timing */ + 60), /* refresh rate */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_INVVDEN | + S3C2410_LCDCON5_PWREN), + }, + [1] = { /* mini2440 + 7" TFT + touchscreen */ + _LCD_DECLARE( + 10, /* the 7" runs slower */ + 800, 40, 40, 48, /* x timing */ + 480, 29, 3, 3, /* y timing */ + 50), /* refresh rate */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN), + }, + /* The VGA shield can outout at several resolutions. All share + * the same timings, however, anything smaller than 1024x768 + * will only be displayed in the top left corner of a 1024x768 + * XGA output unless you add optional dip switches to the shield. + * Therefore timings for other resolutions have been omitted here. + */ + [2] = { + _LCD_DECLARE( + 10, + 1024, 1, 2, 2, /* y timing */ + 768, 200, 16, 16, /* x timing */ + 24), /* refresh rate, maximum stable, + * tested with the FPGA shield + */ + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_HWSWP), + }, + /* mini2440 + 3.5" TFT (LCD-W35i, LQ035Q1DG06 type) + touchscreen*/ + [3] = { + _LCD_DECLARE( + /* clock */ + 7, + /* xres, margin_right, margin_left, hsync */ + 320, 68, 66, 4, + /* yres, margin_top, margin_bottom, vsync */ + 240, 4, 4, 9, + /* refresh rate */ + 60), + .lcdcon5 = (S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVDEN | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVCLK | + S3C2410_LCDCON5_HWSWP), + }, +}; + +/* 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 mini2440_fb_info __initdata = { + .displays = &mini2440_lcd_cfg[0], /* not constant! see init */ + .num_displays = 1, + .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)), + + .gpccon_reg = S3C2410_GPCCON, + .gpcup_reg = S3C2410_GPCUP, + + .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)), + + .gpdcon_reg = S3C2410_GPDCON, + .gpdup_reg = S3C2410_GPDUP, +}; + +/* MMC/SD */ + +static struct s3c24xx_mci_pdata mini2440_mmc_cfg __initdata = { + .wprotect_invert = 1, + .set_power = s3c24xx_mci_def_set_power, + .ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34, +}; + +static struct gpiod_lookup_table mini2440_mmc_gpio_table = { + .dev_id = "s3c2410-sdi", + .table = { + /* Card detect S3C2410_GPG(8) */ + GPIO_LOOKUP("GPIOG", 8, "cd", GPIO_ACTIVE_LOW), + /* Write protect S3C2410_GPH(8) */ + GPIO_LOOKUP("GPIOH", 8, "wp", GPIO_ACTIVE_HIGH), + /* bus pins */ + GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), + GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), + { }, + }, +}; + +/* NAND Flash on MINI2440 board */ + +static struct mtd_partition mini2440_default_nand_part[] __initdata = { + [0] = { + .name = "u-boot", + .size = SZ_256K, + .offset = 0, + }, + [1] = { + .name = "u-boot-env", + .size = SZ_128K, + .offset = SZ_256K, + }, + [2] = { + .name = "kernel", + /* 5 megabytes, for a kernel with no modules + * or a uImage with a ramdisk attached + */ + .size = 0x00500000, + .offset = SZ_256K + SZ_128K, + }, + [3] = { + .name = "root", + .offset = SZ_256K + SZ_128K + 0x00500000, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct s3c2410_nand_set mini2440_nand_sets[] __initdata = { + [0] = { + .name = "nand", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(mini2440_default_nand_part), + .partitions = mini2440_default_nand_part, + .flash_bbt = 1, /* we use u-boot to create a BBT */ + }, +}; + +static struct s3c2410_platform_nand mini2440_nand_info __initdata = { + .tacls = 0, + .twrph0 = 25, + .twrph1 = 15, + .nr_sets = ARRAY_SIZE(mini2440_nand_sets), + .sets = mini2440_nand_sets, + .ignore_unset_ecc = 1, + .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST, +}; + +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource mini2440_dm9k_resource[] = { + [0] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE, 4), + [1] = DEFINE_RES_MEM(MACH_MINI2440_DM9K_BASE + 4, 4), + [2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ + | IORESOURCE_IRQ_HIGHEDGE), +}; + +/* + * The DM9000 has no eeprom, and it's MAC address is set by + * the bootloader before starting the kernel. + */ +static struct dm9000_plat_data mini2440_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device mini2440_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(mini2440_dm9k_resource), + .resource = mini2440_dm9k_resource, + .dev = { + .platform_data = &mini2440_dm9k_pdata, + }, +}; + +/* CON5 + * +--+ /-----\ + * | | | | + * | | | BAT | + * | | \_____/ + * | | + * | | +----+ +----+ + * | | | K5 | | K1 | + * | | +----+ +----+ + * | | +----+ +----+ + * | | | K4 | | K2 | + * | | +----+ +----+ + * | | +----+ +----+ + * | | | K6 | | K3 | + * | | +----+ +----+ + * ..... + */ +static struct gpio_keys_button mini2440_buttons[] = { + { + .gpio = S3C2410_GPG(0), /* K1 */ + .code = KEY_F1, + .desc = "Button 1", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(3), /* K2 */ + .code = KEY_F2, + .desc = "Button 2", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(5), /* K3 */ + .code = KEY_F3, + .desc = "Button 3", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(6), /* K4 */ + .code = KEY_POWER, + .desc = "Power", + .active_low = 1, + }, + { + .gpio = S3C2410_GPG(7), /* K5 */ + .code = KEY_F5, + .desc = "Button 5", + .active_low = 1, + }, +#if 0 + /* this pin is also known as TCLK1 and seems to already + * marked as "in use" somehow in the kernel -- possibly wrongly + */ + { + .gpio = S3C2410_GPG(11), /* K6 */ + .code = KEY_F6, + .desc = "Button 6", + .active_low = 1, + }, +#endif +}; + +static struct gpio_keys_platform_data mini2440_button_data = { + .buttons = mini2440_buttons, + .nbuttons = ARRAY_SIZE(mini2440_buttons), +}; + +static struct platform_device mini2440_button_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = &mini2440_button_data, + } +}; + +/* LEDS */ + +static struct gpiod_lookup_table mini2440_led1_gpio_table = { + .dev_id = "s3c24xx_led.1", + .table = { + GPIO_LOOKUP("GPB", 5, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), + { }, + }, +}; + +static struct gpiod_lookup_table mini2440_led2_gpio_table = { + .dev_id = "s3c24xx_led.2", + .table = { + GPIO_LOOKUP("GPB", 6, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), + { }, + }, +}; + +static struct gpiod_lookup_table mini2440_led3_gpio_table = { + .dev_id = "s3c24xx_led.3", + .table = { + GPIO_LOOKUP("GPB", 7, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), + { }, + }, +}; + +static struct gpiod_lookup_table mini2440_led4_gpio_table = { + .dev_id = "s3c24xx_led.4", + .table = { + GPIO_LOOKUP("GPB", 8, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), + { }, + }, +}; + +static struct gpiod_lookup_table mini2440_backlight_gpio_table = { + .dev_id = "s3c24xx_led.5", + .table = { + GPIO_LOOKUP("GPG", 4, NULL, GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct s3c24xx_led_platdata mini2440_led1_pdata = { + .name = "led1", + .def_trigger = "heartbeat", +}; + +static struct s3c24xx_led_platdata mini2440_led2_pdata = { + .name = "led2", + .def_trigger = "nand-disk", +}; + +static struct s3c24xx_led_platdata mini2440_led3_pdata = { + .name = "led3", + .def_trigger = "mmc0", +}; + +static struct s3c24xx_led_platdata mini2440_led4_pdata = { + .name = "led4", + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata mini2440_led_backlight_pdata = { + .name = "backlight", + .def_trigger = "backlight", +}; + +static struct platform_device mini2440_led1 = { + .name = "s3c24xx_led", + .id = 1, + .dev = { + .platform_data = &mini2440_led1_pdata, + }, +}; + +static struct platform_device mini2440_led2 = { + .name = "s3c24xx_led", + .id = 2, + .dev = { + .platform_data = &mini2440_led2_pdata, + }, +}; + +static struct platform_device mini2440_led3 = { + .name = "s3c24xx_led", + .id = 3, + .dev = { + .platform_data = &mini2440_led3_pdata, + }, +}; + +static struct platform_device mini2440_led4 = { + .name = "s3c24xx_led", + .id = 4, + .dev = { + .platform_data = &mini2440_led4_pdata, + }, +}; + +static struct platform_device mini2440_led_backlight = { + .name = "s3c24xx_led", + .id = 5, + .dev = { + .platform_data = &mini2440_led_backlight_pdata, + }, +}; + +/* AUDIO */ + +static struct s3c24xx_uda134x_platform_data mini2440_audio_pins = { + .l3_clk = S3C2410_GPB(4), + .l3_mode = S3C2410_GPB(2), + .l3_data = S3C2410_GPB(3), + .model = UDA134X_UDA1341 +}; + +static struct platform_device mini2440_audio = { + .name = "s3c24xx_uda134x", + .id = 0, + .dev = { + .platform_data = &mini2440_audio_pins, + }, +}; + +/* + * I2C devices + */ +static const struct property_entry mini2440_at24_properties[] = { + PROPERTY_ENTRY_U32("pagesize", 16), + { } +}; + +static const struct software_node mini2440_at24_node = { + .properties = mini2440_at24_properties, +}; + +static struct i2c_board_info mini2440_i2c_devs[] __initdata = { + { + I2C_BOARD_INFO("24c08", 0x50), + .swnode = &mini2440_at24_node, + }, +}; + +static struct uda134x_platform_data s3c24xx_uda134x = { + .l3 = { + .gpio_clk = S3C2410_GPB(4), + .gpio_data = S3C2410_GPB(3), + .gpio_mode = S3C2410_GPB(2), + .use_gpios = 1, + .data_hold = 1, + .data_setup = 1, + .clock_high = 1, + .mode_hold = 1, + .mode = 1, + .mode_setup = 1, + }, + .model = UDA134X_UDA1341, +}; + +static struct platform_device uda1340_codec = { + .name = "uda134x-codec", + .id = -1, + .dev = { + .platform_data = &s3c24xx_uda134x, + }, +}; + +static struct platform_device *mini2440_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_usbgadget, + &mini2440_device_eth, + &mini2440_led1, + &mini2440_led2, + &mini2440_led3, + &mini2440_led4, + &mini2440_button_device, + &s3c_device_nand, + &s3c_device_sdi, + &s3c2440_device_dma, + &s3c_device_iis, + &uda1340_codec, + &mini2440_audio, +}; + +static void __init mini2440_map_io(void) +{ + s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc)); + s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs)); + s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); +} + +static void __init mini2440_init_time(void) +{ + s3c2440_init_clocks(12000000); + s3c24xx_timer_init(); +} + +/* + * mini2440_features string + * + * t = Touchscreen present + * b = backlight control + * c = camera [TODO] + * 0-9 LCD configuration + * + */ +static char mini2440_features_str[12] __initdata = "0tb"; + +static int __init mini2440_features_setup(char *str) +{ + if (str) + strscpy(mini2440_features_str, str, + sizeof(mini2440_features_str)); + return 1; +} + +__setup("mini2440=", mini2440_features_setup); + +#define FEATURE_SCREEN (1 << 0) +#define FEATURE_BACKLIGHT (1 << 1) +#define FEATURE_TOUCH (1 << 2) +#define FEATURE_CAMERA (1 << 3) + +struct mini2440_features_t { + int count; + int done; + int lcd_index; + struct platform_device *optional[8]; +}; + +static void __init mini2440_parse_features( + struct mini2440_features_t *features, + const char *features_str) +{ + const char *fp = features_str; + + features->count = 0; + features->done = 0; + features->lcd_index = -1; + + while (*fp) { + char f = *fp++; + + switch (f) { + case '0'...'9': /* tft screen */ + if (features->done & FEATURE_SCREEN) { + pr_info("MINI2440: '%c' ignored, screen type already set\n", + f); + } else { + int li = f - '0'; + + if (li >= ARRAY_SIZE(mini2440_lcd_cfg)) + pr_info("MINI2440: '%c' out of range LCD mode\n", + f); + else { + features->optional[features->count++] = + &s3c_device_lcd; + features->lcd_index = li; + } + } + features->done |= FEATURE_SCREEN; + break; + case 'b': + if (features->done & FEATURE_BACKLIGHT) + pr_info("MINI2440: '%c' ignored, backlight already set\n", + f); + else { + features->optional[features->count++] = + &mini2440_led_backlight; + } + features->done |= FEATURE_BACKLIGHT; + break; + case 't': + pr_info("MINI2440: '%c' ignored, touchscreen not compiled in\n", + f); + break; + case 'c': + if (features->done & FEATURE_CAMERA) + pr_info("MINI2440: '%c' ignored, camera already registered\n", + f); + else + features->optional[features->count++] = + &s3c_device_camif; + features->done |= FEATURE_CAMERA; + break; + } + } +} + +static void __init mini2440_init(void) +{ + struct mini2440_features_t features = { 0 }; + int i; + + pr_info("MINI2440: Option string mini2440=%s\n", + mini2440_features_str); + + /* Parse the feature string */ + mini2440_parse_features(&features, mini2440_features_str); + + /* turn LCD on */ + s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND); + + /* Turn the backlight early on */ + WARN_ON(gpio_request_one(S3C2410_GPG(4), GPIOF_OUT_INIT_HIGH, NULL)); + gpio_free(S3C2410_GPG(4)); + + /* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */ + gpio_request_one(S3C2410_GPB(1), GPIOF_IN, NULL); + s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP); + gpio_free(S3C2410_GPB(1)); + + /* mark the key as input, without pullups (there is one on the board) */ + for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) { + s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP); + s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT); + } + + /* Configure the I2S pins (GPE0...GPE4) in correct mode */ + s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), + S3C_GPIO_PULL_NONE); + + if (features.lcd_index != -1) { + int li; + + mini2440_fb_info.displays = + &mini2440_lcd_cfg[features.lcd_index]; + + pr_info("MINI2440: LCD"); + for (li = 0; li < ARRAY_SIZE(mini2440_lcd_cfg); li++) + if (li == features.lcd_index) + pr_cont(" [%d:%dx%d]", li, + mini2440_lcd_cfg[li].width, + mini2440_lcd_cfg[li].height); + else + pr_cont(" %d:%dx%d", li, + mini2440_lcd_cfg[li].width, + mini2440_lcd_cfg[li].height); + pr_cont("\n"); + s3c24xx_fb_set_platdata(&mini2440_fb_info); + } + + gpiod_add_lookup_table(&mini2440_udc_gpio_table); + s3c24xx_udc_set_platdata(&mini2440_udc_cfg); + gpiod_add_lookup_table(&mini2440_mmc_gpio_table); + s3c24xx_mci_set_platdata(&mini2440_mmc_cfg); + s3c_nand_set_platdata(&mini2440_nand_info); + s3c_i2c0_set_platdata(NULL); + + i2c_register_board_info(0, mini2440_i2c_devs, + ARRAY_SIZE(mini2440_i2c_devs)); + + /* Disable pull-up on the LED lines */ + s3c_gpio_setpull(S3C2410_GPB(5), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPB(6), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPB(7), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPB(8), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPG(4), S3C_GPIO_PULL_NONE); + + /* Add lookups for the lines */ + gpiod_add_lookup_table(&mini2440_led1_gpio_table); + gpiod_add_lookup_table(&mini2440_led2_gpio_table); + gpiod_add_lookup_table(&mini2440_led3_gpio_table); + gpiod_add_lookup_table(&mini2440_led4_gpio_table); + gpiod_add_lookup_table(&mini2440_backlight_gpio_table); + + platform_add_devices(mini2440_devices, ARRAY_SIZE(mini2440_devices)); + + if (features.count) /* the optional features */ + platform_add_devices(features.optional, features.count); + +} + + +MACHINE_START(MINI2440, "MINI2440") + /* Maintainer: Michel Pollet <buserror@gmail.com> */ + .atag_offset = 0x100, + .nr_irqs = NR_IRQS_S3C2440, + .map_io = mini2440_map_io, + .init_machine = mini2440_init, + .init_irq = s3c2440_init_irq, + .init_time = mini2440_init_time, +MACHINE_END |