| /* |
| * 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 |