diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-vr1000.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-vr1000.c | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-vr1000.c b/arch/arm/mach-s3c/mach-vr1000.c new file mode 100644 index 000000000..5c3d07cf2 --- /dev/null +++ b/arch/arm/mach-s3c/mach-vr1000.c @@ -0,0 +1,368 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// 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/ + +#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/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 "regs-gpio.h" +#include "gpio-samsung.h" +#include "gpio-cfg.h" + +#include "cpu.h" +#include "devs.h" + +#include "bast.h" +#include "s3c24xx.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 gpiod_lookup_table vr1000_led1_gpio_table = { + .dev_id = "s3c24xx_led.1", + .table = { + GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table vr1000_led2_gpio_table = { + .dev_id = "s3c24xx_led.2", + .table = { + GPIO_LOOKUP("GPB", 1, NULL, GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct gpiod_lookup_table vr1000_led3_gpio_table = { + .dev_id = "s3c24xx_led.3", + .table = { + GPIO_LOOKUP("GPB", 2, NULL, GPIO_ACTIVE_HIGH), + { }, + }, +}; + +static struct s3c24xx_led_platdata vr1000_led1_pdata = { + .name = "led1", + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata vr1000_led2_pdata = { + .name = "led2", + .def_trigger = "", +}; + +static struct s3c24xx_led_platdata vr1000_led3_pdata = { + .name = "led3", + .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)); + s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); +} + +static void __init vr1000_init_time(void) +{ + s3c2410_init_clocks(12000000); + s3c24xx_timer_init(); +} + +static void __init vr1000_init(void) +{ + s3c_i2c0_set_platdata(NULL); + + /* Disable pull-up on LED lines and register GPIO lookups */ + s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_NONE); + s3c_gpio_setpull(S3C2410_GPB(2), S3C_GPIO_PULL_NONE); + gpiod_add_lookup_table(&vr1000_led1_gpio_table); + gpiod_add_lookup_table(&vr1000_led2_gpio_table); + gpiod_add_lookup_table(&vr1000_led3_gpio_table); + + 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, +MACHINE_END |