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/* linux/arch/arm/mach-s3c2410/mach-vr1000.c
*
* Copyright (c) 2003-2005,2008 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/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 <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/bast-map.h>
#include <mach/vr1000-map.h>
#include <mach/vr1000-irq.h>
#include <mach/vr1000-cpld.h>
#include <mach/hardware.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/leds-gpio.h>
#include <asm/plat-s3c24xx/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include "usb-simtec.h"
#include "nor-simtec.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
/* uart clock source(s) */
static struct s3c24xx_uart_clksrc vr1000_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 vr1000_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = vr1000_serial_clocks,
.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = vr1000_serial_clocks,
.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
},
/* port 2 is not actually used */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
.clocks = vr1000_serial_clocks,
.clocks_size = ARRAY_SIZE(vr1000_serial_clocks),
}
};
/* 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 = IRQ_VR1000_SERIAL + 0,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = VR1000_BAUDBASE,
},
[1] = {
.mapbase = VR1000_SERIAL_MAPBASE(1),
.irq = IRQ_VR1000_SERIAL + 1,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = VR1000_BAUDBASE,
},
[2] = {
.mapbase = VR1000_SERIAL_MAPBASE(2),
.irq = IRQ_VR1000_SERIAL + 2,
.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 0,
.uartclk = VR1000_BAUDBASE,
},
[3] = {
.mapbase = VR1000_SERIAL_MAPBASE(3),
.irq = IRQ_VR1000_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] = {
.start = S3C2410_CS5 + VR1000_PA_DM9000,
.end = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
.flags = IORESOURCE_MEM
},
[1] = {
.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
.end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
.flags = IORESOURCE_MEM
},
[2] = {
.start = IRQ_VR1000_DM9000A,
.end = IRQ_VR1000_DM9000A,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
};
static struct resource vr1000_dm9k1_resource[] = {
[0] = {
.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
.end = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
.flags = IORESOURCE_MEM
},
[1] = {
.start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
.end = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
.flags = IORESOURCE_MEM
},
[2] = {
.start = IRQ_VR1000_DM9000N,
.end = IRQ_VR1000_DM9000N,
.flags = 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_GPB0,
.def_trigger = "",
};
static struct s3c24xx_led_platdata vr1000_led2_pdata = {
.name = "led2",
.gpio = S3C2410_GPB1
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