diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/mach-vr1000.c')
| -rw-r--r-- | arch/arm/mach-s3c24xx/mach-vr1000.c | 344 | 
1 files changed, 344 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/mach-vr1000.c b/arch/arm/mach-s3c24xx/mach-vr1000.c new file mode 100644 index 00000000000..f88c584c300 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-vr1000.c @@ -0,0 +1,344 @@ +/* + * Copyright (c) 2003-2008 Simtec Electronics + *   Ben Dooks <ben@simtec.co.uk> + * + * Machine support for Thorcom VR1000 board. Designed for Thorcom by + * Simtec Electronics, http://www.simtec.co.uk/ + * + * 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/gpio.h> +#include <linux/dm9000.h> +#include <linux/i2c.h> + +#include <linux/serial.h> +#include <linux/tty.h> +#include <linux/serial_8250.h> +#include <linux/serial_reg.h> +#include <linux/serial_s3c.h> +#include <linux/io.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/leds-s3c24xx.h> +#include <linux/platform_data/i2c-s3c2410.h> +#include <linux/platform_data/asoc-s3c24xx_simtec.h> + +#include <mach/hardware.h> +#include <mach/regs-gpio.h> +#include <mach/gpio-samsung.h> + +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/samsung-time.h> + +#include "bast.h" +#include "common.h" +#include "simtec.h" +#include "vr1000.h" + +/* macros for virtual address mods for the io space entries */ +#define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5) +#define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4) +#define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3) +#define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2) + +/* macros to modify the physical addresses for io space */ + +#define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2)) +#define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3)) +#define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4)) +#define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5)) + +static struct map_desc vr1000_iodesc[] __initdata = { +  /* ISA IO areas */ +  { +	  .virtual	= (u32)S3C24XX_VA_ISA_BYTE, +	  .pfn		= PA_CS2(BAST_PA_ISAIO), +	  .length	= SZ_16M, +	  .type		= MT_DEVICE, +  }, { +	  .virtual	= (u32)S3C24XX_VA_ISA_WORD, +	  .pfn		= PA_CS3(BAST_PA_ISAIO), +	  .length	= SZ_16M, +	  .type		= MT_DEVICE, +  }, + +  /*  CPLD control registers, and external interrupt controls */ +  { +	  .virtual	= (u32)VR1000_VA_CTRL1, +	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL1), +	  .length	= SZ_1M, +	  .type		= MT_DEVICE, +  }, { +	  .virtual	= (u32)VR1000_VA_CTRL2, +	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL2), +	  .length	= SZ_1M, +	  .type		= MT_DEVICE, +  }, { +	  .virtual	= (u32)VR1000_VA_CTRL3, +	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL3), +	  .length	= SZ_1M, +	  .type		= MT_DEVICE, +  }, { +	  .virtual	= (u32)VR1000_VA_CTRL4, +	  .pfn		= __phys_to_pfn(VR1000_PA_CTRL4), +	  .length	= SZ_1M, +	  .type		= MT_DEVICE, +  }, +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = { +	[0] = { +		.hwport	     = 0, +		.flags	     = 0, +		.ucon	     = UCON, +		.ulcon	     = ULCON, +		.ufcon	     = UFCON, +	}, +	[1] = { +		.hwport	     = 1, +		.flags	     = 0, +		.ucon	     = UCON, +		.ulcon	     = ULCON, +		.ufcon	     = UFCON, +	}, +	/* port 2 is not actually used */ +	[2] = { +		.hwport	     = 2, +		.flags	     = 0, +		.ucon	     = UCON, +		.ulcon	     = ULCON, +		.ufcon	     = UFCON, +	} +}; + +/* definitions for the vr1000 extra 16550 serial ports */ + +#define VR1000_BAUDBASE (3692307) + +#define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5)) + +static struct plat_serial8250_port serial_platform_data[] = { +	[0] = { +		.mapbase	= VR1000_SERIAL_MAPBASE(0), +		.irq		= VR1000_IRQ_SERIAL + 0, +		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, +		.iotype		= UPIO_MEM, +		.regshift	= 0, +		.uartclk	= VR1000_BAUDBASE, +	}, +	[1] = { +		.mapbase	= VR1000_SERIAL_MAPBASE(1), +		.irq		= VR1000_IRQ_SERIAL + 1, +		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, +		.iotype		= UPIO_MEM, +		.regshift	= 0, +		.uartclk	= VR1000_BAUDBASE, +	}, +	[2] = { +		.mapbase	= VR1000_SERIAL_MAPBASE(2), +		.irq		= VR1000_IRQ_SERIAL + 2, +		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, +		.iotype		= UPIO_MEM, +		.regshift	= 0, +		.uartclk	= VR1000_BAUDBASE, +	}, +	[3] = { +		.mapbase	= VR1000_SERIAL_MAPBASE(3), +		.irq		= VR1000_IRQ_SERIAL + 3, +		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP, +		.iotype		= UPIO_MEM, +		.regshift	= 0, +		.uartclk	= VR1000_BAUDBASE, +	}, +	{ }, +}; + +static struct platform_device serial_device = { +	.name			= "serial8250", +	.id			= PLAT8250_DEV_PLATFORM, +	.dev			= { +		.platform_data	= serial_platform_data, +	}, +}; + +/* DM9000 ethernet devices */ + +static struct resource vr1000_dm9k0_resource[] = { +	[0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4), +	[1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40), +	[2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \ +						| IORESOURCE_IRQ_HIGHLEVEL), +}; + +static struct resource vr1000_dm9k1_resource[] = { +	[0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4), +	[1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40), +	[2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \ +						| IORESOURCE_IRQ_HIGHLEVEL), +}; + +/* for the moment we limit ourselves to 16bit IO until some + * better IO routines can be written and tested +*/ + +static struct dm9000_plat_data vr1000_dm9k_platdata = { +	.flags		= DM9000_PLATF_16BITONLY, +}; + +static struct platform_device vr1000_dm9k0 = { +	.name		= "dm9000", +	.id		= 0, +	.num_resources	= ARRAY_SIZE(vr1000_dm9k0_resource), +	.resource	= vr1000_dm9k0_resource, +	.dev		= { +		.platform_data = &vr1000_dm9k_platdata, +	} +}; + +static struct platform_device vr1000_dm9k1 = { +	.name		= "dm9000", +	.id		= 1, +	.num_resources	= ARRAY_SIZE(vr1000_dm9k1_resource), +	.resource	= vr1000_dm9k1_resource, +	.dev		= { +		.platform_data = &vr1000_dm9k_platdata, +	} +}; + +/* LEDS */ + +static struct s3c24xx_led_platdata vr1000_led1_pdata = { +	.name		= "led1", +	.gpio		= S3C2410_GPB(0), +	.def_trigger	= "", +}; + +static struct s3c24xx_led_platdata vr1000_led2_pdata = { +	.name		= "led2", +	.gpio		= S3C2410_GPB(1), +	.def_trigger	= "", +}; + +static struct s3c24xx_led_platdata vr1000_led3_pdata = { +	.name		= "led3", +	.gpio		= S3C2410_GPB(2), +	.def_trigger	= "", +}; + +static struct platform_device vr1000_led1 = { +	.name		= "s3c24xx_led", +	.id		= 1, +	.dev		= { +		.platform_data	= &vr1000_led1_pdata, +	}, +}; + +static struct platform_device vr1000_led2 = { +	.name		= "s3c24xx_led", +	.id		= 2, +	.dev		= { +		.platform_data	= &vr1000_led2_pdata, +	}, +}; + +static struct platform_device vr1000_led3 = { +	.name		= "s3c24xx_led", +	.id		= 3, +	.dev		= { +		.platform_data	= &vr1000_led3_pdata, +	}, +}; + +/* I2C devices. */ + +static struct i2c_board_info vr1000_i2c_devs[] __initdata = { +	{ +		I2C_BOARD_INFO("tlv320aic23", 0x1a), +	}, { +		I2C_BOARD_INFO("tmp101", 0x48), +	}, { +		I2C_BOARD_INFO("m41st87", 0x68), +	}, +}; + +/* devices for this board */ + +static struct platform_device *vr1000_devices[] __initdata = { +	&s3c2410_device_dclk, +	&s3c_device_ohci, +	&s3c_device_lcd, +	&s3c_device_wdt, +	&s3c_device_i2c0, +	&s3c_device_adc, +	&serial_device, +	&vr1000_dm9k0, +	&vr1000_dm9k1, +	&vr1000_led1, +	&vr1000_led2, +	&vr1000_led3, +}; + +static void vr1000_power_off(void) +{ +	gpio_direction_output(S3C2410_GPB(9), 1); +} + +static void __init vr1000_map_io(void) +{ +	pm_power_off = vr1000_power_off; + +	s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc)); +	s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs)); +	samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); +} + +static void __init vr1000_init_time(void) +{ +	s3c2410_init_clocks(12000000); +	samsung_timer_init(); +} + +static void __init vr1000_init(void) +{ +	s3c_i2c0_set_platdata(NULL); +	platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices)); + +	i2c_register_board_info(0, vr1000_i2c_devs, +				ARRAY_SIZE(vr1000_i2c_devs)); + +	nor_simtec_init(); +	simtec_audio_add(NULL, true, NULL); + +	WARN_ON(gpio_request(S3C2410_GPB(9), "power off")); +} + +MACHINE_START(VR1000, "Thorcom-VR1000") +	/* Maintainer: Ben Dooks <ben@simtec.co.uk> */ +	.atag_offset	= 0x100, +	.map_io		= vr1000_map_io, +	.init_machine	= vr1000_init, +	.init_irq	= s3c2410_init_irq, +	.init_time	= vr1000_init_time, +	.restart	= s3c2410_restart, +MACHINE_END  | 
