diff options
Diffstat (limited to 'arch/arm/mach-s3c2440/mach-at2440evb.c')
-rw-r--r-- | arch/arm/mach-s3c2440/mach-at2440evb.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c new file mode 100644 index 0000000..f5e3c7f --- /dev/null +++ b/arch/arm/mach-s3c2440/mach-at2440evb.c @@ -0,0 +1,198 @@ +/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c + * + * 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> + * + * For product information, visit http://www.arm9e.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#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/io.h> +#include <linux/serial_core.h> +#include <linux/dm9000.h> +#include <linux/platform_device.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/hardware.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <asm/plat-s3c/regs-serial.h> +#include <asm/arch/regs-gpio.h> +#include <asm/arch/regs-mem.h> +#include <asm/arch/regs-lcd.h> +#include <asm/plat-s3c/nand.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/nand_ecc.h> +#include <linux/mtd/partitions.h> + +#include <asm/plat-s3c24xx/clock.h> +#include <asm/plat-s3c24xx/devs.h> +#include <asm/plat-s3c24xx/cpu.h> + +static struct map_desc at2440evb_iodesc[] __initdata = { + /* Nothing here */ +}; + +#define UCON S3C2410_UCON_DEFAULT +#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE) +#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE) + +static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = { + [0] = { + .name = "uclk", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + }, + [1] = { + .name = "pclk", + .divisor = 1, + .min_baud = 0, + .max_baud = 0, + } +}; + + +static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clocks = at2440evb_serial_clocks, + .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks), + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = UCON, + .ulcon = ULCON, + .ufcon = UFCON, + .clocks = at2440evb_serial_clocks, + .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks), + }, +}; + +/* NAND Flash on AT2440EVB board */ + +static struct mtd_partition at2440evb_default_nand_part[] = { + [0] = { + .name = "Boot Agent", + .size = SZ_256K, + .offset = 0, + }, + [1] = { + .name = "Kernel", + .size = SZ_2M, + .offset = SZ_256K, + }, + [2] = { + .name = "Root", + .offset = SZ_256K + SZ_2M, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct s3c2410_nand_set at2440evb_nand_sets[] = { + [0] = { + .name = "nand", + .nr_chips = 1, + .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part), + .partitions = at2440evb_default_nand_part, + }, +}; + +static struct s3c2410_platform_nand at2440evb_nand_info = { + .tacls = 25, + .twrph0 = 55, + .twrph1 = 40, + .nr_sets = ARRAY_SIZE(at2440evb_nand_sets), + .sets = at2440evb_nand_sets, +}; + +/* DM9000AEP 10/100 ethernet controller */ + +static struct resource at2440evb_dm9k_resource[] = { + [0] = { + .start = S3C2410_CS3, + .end = S3C2410_CS3 + 3, + .flags = IORESOURCE_MEM + }, + [1] = { + .start = S3C2410_CS3 + 4, + .end = S3C2410_CS3 + 7, + .flags = IORESOURCE_MEM + }, + [2] = { + .start = IRQ_EINT7, + .end = IRQ_EINT7, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, + } +}; + +static struct dm9000_plat_data at2440evb_dm9k_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), +}; + +static struct platform_device at2440evb_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource), + .resource = at2440evb_dm9k_resource, + .dev = { + .platform_data = &at2440evb_dm9k_pdata, + }, +}; + +static struct platform_device *at2440evb_devices[] __initdata = { + &s3c_device_usb, + &s3c_device_wdt, + &s3c_device_adc, + &s3c_device_i2c, + &s3c_device_rtc, + &s3c_device_nand, + &at2440evb_device_eth, +}; + +static void __init at2440evb_map_io(void) +{ + s3c_device_nand.dev.platform_data = &at2440evb_nand_info; + + s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc)); + s3c24xx_init_clocks(16934400); + s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs)); +} + +static void __init at2440evb_init(void) +{ + platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices)); +} + + +MACHINE_START(AT2440EVB, "AT2440EVB") + .phys_io = S3C2410_PA_UART, + .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, + .boot_params = S3C2410_SDRAM_PA + 0x100, + .map_io = at2440evb_map_io, + .init_machine = at2440evb_init, + .init_irq = s3c24xx_init_irq, + .timer = &s3c24xx_timer, +MACHINE_END |