365 lines
8.6 KiB
C
365 lines
8.6 KiB
C
// 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,
|
|
},
|
|
|
|
/* 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,
|
|
.nr_irqs = NR_IRQS_S3C2410,
|
|
.map_io = vr1000_map_io,
|
|
.init_machine = vr1000_init,
|
|
.init_irq = s3c2410_init_irq,
|
|
.init_time = vr1000_init_time,
|
|
MACHINE_END
|