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Diffstat (limited to '')
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-qt2410.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-qt2410.c b/arch/arm/mach-s3c24xx/mach-qt2410.c new file mode 100644 index 000000000..5d48e5b6e --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-qt2410.c @@ -0,0 +1,351 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (C) 2006 by OpenMoko, Inc. +// Author: Harald Welte <laforge@openmoko.org> +// All rights reserved. + +#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/device.h> +#include <linux/platform_device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/spi/spi.h> +#include <linux/spi/spi_gpio.h> +#include <linux/io.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/rawnand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/leds-s3c24xx.h> +#include <mach/regs-lcd.h> +#include <mach/fb.h> +#include <linux/platform_data/mtd-nand-s3c2410.h> +#include <linux/platform_data/usb-s3c2410_udc.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <mach/gpio-samsung.h> + +#include <plat/gpio-cfg.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/samsung-time.h> + +#include "common.h" +#include "common-smdk.h" + +static struct map_desc qt2410_iodesc[] __initdata = { + { 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE } +}; + +#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 smdk2410_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, + } +}; + +/* LCD driver info */ + +static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = { + { + /* Configuration for 640x480 SHARP LQ080V3DG01 */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 640, + .height = 480, + + .pixclock = 40000, /* HCLK/4 */ + .xres = 640, + .yres = 480, + .bpp = 16, + .left_margin = 44, + .right_margin = 116, + .hsync_len = 96, + .upper_margin = 19, + .lower_margin = 11, + .vsync_len = 15, + }, + { + /* Configuration for 480x640 toppoly TD028TTEC1 */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 480, + .height = 640, + .pixclock = 40000, /* HCLK/4 */ + .xres = 480, + .yres = 640, + .bpp = 16, + .left_margin = 8, + .right_margin = 24, + .hsync_len = 8, + .upper_margin = 2, + .lower_margin = 4, + .vsync_len = 2, + }, + { + /* Config for 240x320 LCD */ + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + .width = 240, + .height = 320, + .pixclock = 100000, /* HCLK/10 */ + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 13, + .right_margin = 8, + .hsync_len = 4, + .upper_margin = 2, + .lower_margin = 7, + .vsync_len = 4, + }, +}; + + +static struct s3c2410fb_mach_info qt2410_fb_info __initdata = { + .displays = qt2410_lcd_cfg, + .num_displays = ARRAY_SIZE(qt2410_lcd_cfg), + .default_display = 0, + + .lpcsel = ((0xCE6) & ~7) | 1<<4, +}; + +/* CS8900 */ + +static struct resource qt2410_cs89x0_resources[] = { + [0] = DEFINE_RES_MEM(0x19000000, 17), + [1] = DEFINE_RES_IRQ(IRQ_EINT9), +}; + +static struct platform_device qt2410_cs89x0 = { + .name = "cirrus-cs89x0", + .num_resources = ARRAY_SIZE(qt2410_cs89x0_resources), + .resource = qt2410_cs89x0_resources, +}; + +/* LED */ + +static struct s3c24xx_led_platdata qt2410_pdata_led = { + .gpio = S3C2410_GPB(0), + .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, + .name = "led", + .def_trigger = "timer", +}; + +static struct platform_device qt2410_led = { + .name = "s3c24xx_led", + .id = 0, + .dev = { + .platform_data = &qt2410_pdata_led, + }, +}; + +/* SPI */ + +static struct spi_gpio_platform_data spi_gpio_cfg = { + .num_chipselect = 1, +}; + +static struct platform_device qt2410_spi = { + .name = "spi_gpio", + .id = 1, + .dev.platform_data = &spi_gpio_cfg, +}; + +static struct gpiod_lookup_table qt2410_spi_gpiod_table = { + .dev_id = "spi_gpio", + .table = { + GPIO_LOOKUP("GPIOG", 7, + "sck", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("GPIOG", 6, + "mosi", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("GPIOG", 5, + "miso", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("GPIOB", 5, + "cs", GPIO_ACTIVE_HIGH), + { }, + }, +}; + +/* Board devices */ + +static struct platform_device *qt2410_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_sdi, + &s3c_device_usbgadget, + &qt2410_spi, + &qt2410_cs89x0, + &qt2410_led, +}; + +static struct mtd_partition __initdata qt2410_nand_part[] = { + [0] = { + .name = "U-Boot", + .size = 0x30000, + .offset = 0, + }, + [1] = { + .name = "U-Boot environment", + .offset = 0x30000, + .size = 0x4000, + }, + [2] = { + .name = "kernel", + .offset = 0x34000, + .size = SZ_2M, + }, + [3] = { + .name = "initrd", + .offset = 0x234000, + .size = SZ_4M, + }, + [4] = { + .name = "jffs2", + .offset = 0x634000, + .size = 0x39cc000, + }, +}; + +static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = { + [0] = { + .name = "NAND", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(qt2410_nand_part), + .partitions = qt2410_nand_part, + }, +}; + +/* choose a set of timings which should suit most 512Mbit + * chips and beyond. + */ + +static struct s3c2410_platform_nand __initdata qt2410_nand_info = { + .tacls = 20, + .twrph0 = 60, + .twrph1 = 20, + .nr_sets = ARRAY_SIZE(qt2410_nand_sets), + .sets = qt2410_nand_sets, + .ecc_mode = NAND_ECC_SOFT, +}; + +/* UDC */ + +static struct s3c2410_udc_mach_info qt2410_udc_cfg = { +}; + +static char tft_type = 's'; + +static int __init qt2410_tft_setup(char *str) +{ + tft_type = str[0]; + return 1; +} + +__setup("tft=", qt2410_tft_setup); + +static void __init qt2410_map_io(void) +{ + s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc)); + s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); + samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init qt2410_init_time(void) +{ + s3c2410_init_clocks(12000000); + samsung_timer_init(); +} + +static void __init qt2410_machine_init(void) +{ + s3c_nand_set_platdata(&qt2410_nand_info); + + switch (tft_type) { + case 'p': /* production */ + qt2410_fb_info.default_display = 1; + break; + case 'b': /* big */ + qt2410_fb_info.default_display = 0; + break; + case 's': /* small */ + default: + qt2410_fb_info.default_display = 2; + break; + } + s3c24xx_fb_set_platdata(&qt2410_fb_info); + + /* set initial state of the LED GPIO */ + WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL)); + gpio_free(S3C2410_GPB(0)); + + s3c24xx_udc_set_platdata(&qt2410_udc_cfg); + s3c_i2c0_set_platdata(NULL); + + gpiod_add_lookup_table(&qt2410_spi_gpiod_table); + platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); + s3c_pm_init(); +} + +MACHINE_START(QT2410, "QT2410") + .atag_offset = 0x100, + .map_io = qt2410_map_io, + .init_irq = s3c2410_init_irq, + .init_machine = qt2410_machine_init, + .init_time = qt2410_init_time, +MACHINE_END |