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Diffstat (limited to 'arch/arm/mach-s3c/mach-n30.c')
-rw-r--r--arch/arm/mach-s3c/mach-n30.c682
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diff --git a/arch/arm/mach-s3c/mach-n30.c b/arch/arm/mach-s3c/mach-n30.c
deleted file mode 100644
index 90122fc6b2aa..000000000000
--- a/arch/arm/mach-s3c/mach-n30.c
+++ /dev/null
@@ -1,682 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
-// Yakumo AlphaX and Airis NC05 PDAs.
-//
-// Copyright (c) 2003-2005 Simtec Electronics
-// Ben Dooks <ben@simtec.co.uk>
-//
-// Copyright (c) 2005-2008 Christer Weinigel <christer@weinigel.se>
-//
-// There is a wiki with more information about the n30 port at
-// https://handhelds.org/moin/moin.cgi/AcerN30Documentation .
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <linux/gpio_keys.h>
-#include <linux/init.h>
-#include <linux/gpio.h>
-#include <linux/gpio/machine.h>
-#include <linux/input.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <linux/timer.h>
-#include <linux/io.h>
-#include <linux/mmc/host.h>
-
-#include "hardware-s3c24xx.h"
-#include <asm/irq.h>
-#include <asm/mach-types.h>
-
-#include <linux/platform_data/fb-s3c2410.h>
-#include <linux/platform_data/leds-s3c24xx.h>
-#include "regs-gpio.h"
-#include "gpio-samsung.h"
-#include "gpio-cfg.h"
-
-#include <asm/mach/arch.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/map.h>
-
-#include <linux/platform_data/i2c-s3c2410.h>
-
-#include "cpu.h"
-#include "devs.h"
-#include <linux/platform_data/mmc-s3cmci.h>
-#include <linux/platform_data/usb-s3c2410_udc.h>
-
-#include "s3c24xx.h"
-
-static struct map_desc n30_iodesc[] __initdata = {
- /* nothing here yet */
-};
-
-static struct s3c2410_uartcfg n30_uartcfgs[] = {
- /* Normal serial port */
- [0] = {
- .hwport = 0,
- .flags = 0,
- .ucon = 0x2c5,
- .ulcon = 0x03,
- .ufcon = 0x51,
- },
- /* IR port */
- [1] = {
- .hwport = 1,
- .flags = 0,
- .uart_flags = UPF_CONS_FLOW,
- .ucon = 0x2c5,
- .ulcon = 0x43,
- .ufcon = 0x51,
- },
- /* On the N30 the bluetooth controller is connected here.
- * On the N35 and variants the GPS receiver is connected here. */
- [2] = {
- .hwport = 2,
- .flags = 0,
- .ucon = 0x2c5,
- .ulcon = 0x03,
- .ufcon = 0x51,
- },
-};
-
-static struct s3c2410_udc_mach_info n30_udc_cfg __initdata = {
-};
-
-static struct gpiod_lookup_table n30_udc_gpio_table = {
- .dev_id = "s3c2410-usbgadget",
- .table = {
- GPIO_LOOKUP("GPIOG", 1, "vbus", GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("GPIOB", 3, "pullup", GPIO_ACTIVE_HIGH),
- { },
- },
-};
-
-static struct gpio_keys_button n30_buttons[] = {
- {
- .gpio = S3C2410_GPF(0),
- .code = KEY_POWER,
- .desc = "Power",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(9),
- .code = KEY_UP,
- .desc = "Thumbwheel Up",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(8),
- .code = KEY_DOWN,
- .desc = "Thumbwheel Down",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(7),
- .code = KEY_ENTER,
- .desc = "Thumbwheel Press",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(7),
- .code = KEY_HOMEPAGE,
- .desc = "Home",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(6),
- .code = KEY_CALENDAR,
- .desc = "Calendar",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(5),
- .code = KEY_ADDRESSBOOK,
- .desc = "Contacts",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(4),
- .code = KEY_MAIL,
- .desc = "Mail",
- .active_low = 0,
- },
-};
-
-static struct gpio_keys_platform_data n30_button_data = {
- .buttons = n30_buttons,
- .nbuttons = ARRAY_SIZE(n30_buttons),
-};
-
-static struct platform_device n30_button_device = {
- .name = "gpio-keys",
- .id = -1,
- .dev = {
- .platform_data = &n30_button_data,
- }
-};
-
-static struct gpio_keys_button n35_buttons[] = {
- {
- .gpio = S3C2410_GPF(0),
- .code = KEY_POWER,
- .type = EV_PWR,
- .desc = "Power",
- .active_low = 0,
- .wakeup = 1,
- },
- {
- .gpio = S3C2410_GPG(9),
- .code = KEY_UP,
- .desc = "Joystick Up",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(8),
- .code = KEY_DOWN,
- .desc = "Joystick Down",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(6),
- .code = KEY_DOWN,
- .desc = "Joystick Left",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(5),
- .code = KEY_DOWN,
- .desc = "Joystick Right",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(7),
- .code = KEY_ENTER,
- .desc = "Joystick Press",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(7),
- .code = KEY_HOMEPAGE,
- .desc = "Home",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(6),
- .code = KEY_CALENDAR,
- .desc = "Calendar",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(5),
- .code = KEY_ADDRESSBOOK,
- .desc = "Contacts",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(4),
- .code = KEY_MAIL,
- .desc = "Mail",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPF(3),
- .code = SW_RADIO,
- .desc = "GPS Antenna",
- .active_low = 0,
- },
- {
- .gpio = S3C2410_GPG(2),
- .code = SW_HEADPHONE_INSERT,
- .desc = "Headphone",
- .active_low = 0,
- },
-};
-
-static struct gpio_keys_platform_data n35_button_data = {
- .buttons = n35_buttons,
- .nbuttons = ARRAY_SIZE(n35_buttons),
-};
-
-static struct platform_device n35_button_device = {
- .name = "gpio-keys",
- .id = -1,
- .num_resources = 0,
- .dev = {
- .platform_data = &n35_button_data,
- }
-};
-
-/* This is the bluetooth LED on the device. */
-
-static struct gpiod_lookup_table n30_blue_led_gpio_table = {
- .dev_id = "s3c24xx_led.1",
- .table = {
- GPIO_LOOKUP("GPG", 6, NULL, GPIO_ACTIVE_HIGH),
- { },
- },
-};
-
-static struct s3c24xx_led_platdata n30_blue_led_pdata = {
- .name = "blue_led",
- .def_trigger = "",
-};
-
-/* This is the blue LED on the device. Originally used to indicate GPS activity
- * by flashing. */
-
-static struct gpiod_lookup_table n35_blue_led_gpio_table = {
- .dev_id = "s3c24xx_led.1",
- .table = {
- GPIO_LOOKUP("GPD", 8, NULL, GPIO_ACTIVE_HIGH),
- { },
- },
-};
-
-static struct s3c24xx_led_platdata n35_blue_led_pdata = {
- .name = "blue_led",
- .def_trigger = "",
-};
-
-/* This LED is driven by the battery microcontroller, and is blinking
- * red, blinking green or solid green when the battery is low,
- * charging or full respectively. By driving GPD9 low, it's possible
- * to force the LED to blink red, so call that warning LED. */
-
-static struct gpiod_lookup_table n30_warning_led_gpio_table = {
- .dev_id = "s3c24xx_led.2",
- .table = {
- GPIO_LOOKUP("GPD", 9, NULL, GPIO_ACTIVE_LOW),
- { },
- },
-};
-
-static struct s3c24xx_led_platdata n30_warning_led_pdata = {
- .name = "warning_led",
- .def_trigger = "",
-};
-
-static struct gpiod_lookup_table n35_warning_led_gpio_table = {
- .dev_id = "s3c24xx_led.2",
- .table = {
- GPIO_LOOKUP("GPD", 9, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN),
- { },
- },
-};
-
-static struct s3c24xx_led_platdata n35_warning_led_pdata = {
- .name = "warning_led",
- .def_trigger = "",
-};
-
-static struct platform_device n30_blue_led = {
- .name = "s3c24xx_led",
- .id = 1,
- .dev = {
- .platform_data = &n30_blue_led_pdata,
- },
-};
-
-static struct platform_device n35_blue_led = {
- .name = "s3c24xx_led",
- .id = 1,
- .dev = {
- .platform_data = &n35_blue_led_pdata,
- },
-};
-
-static struct platform_device n30_warning_led = {
- .name = "s3c24xx_led",
- .id = 2,
- .dev = {
- .platform_data = &n30_warning_led_pdata,
- },
-};
-
-static struct platform_device n35_warning_led = {
- .name = "s3c24xx_led",
- .id = 2,
- .dev = {
- .platform_data = &n35_warning_led_pdata,
- },
-};
-
-static struct s3c2410fb_display n30_display __initdata = {
- .type = S3C2410_LCDCON1_TFT,
- .width = 240,
- .height = 320,
- .pixclock = 170000,
-
- .xres = 240,
- .yres = 320,
- .bpp = 16,
- .left_margin = 3,
- .right_margin = 40,
- .hsync_len = 40,
- .upper_margin = 2,
- .lower_margin = 3,
- .vsync_len = 2,
-
- .lcdcon5 = S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVFRAME,
-};
-
-static struct s3c2410fb_mach_info n30_fb_info __initdata = {
- .displays = &n30_display,
- .num_displays = 1,
- .default_display = 0,
- .lpcsel = 0x06,
-};
-
-static void n30_sdi_set_power(unsigned char power_mode, unsigned short vdd)
-{
- s3c24xx_mci_def_set_power(power_mode, vdd);
-
- switch (power_mode) {
- case MMC_POWER_ON:
- case MMC_POWER_UP:
- gpio_set_value(S3C2410_GPG(4), 1);
- break;
- case MMC_POWER_OFF:
- default:
- gpio_set_value(S3C2410_GPG(4), 0);
- break;
- }
-}
-
-static struct s3c24xx_mci_pdata n30_mci_cfg __initdata = {
- .ocr_avail = MMC_VDD_32_33,
- .set_power = n30_sdi_set_power,
-};
-
-static struct gpiod_lookup_table n30_mci_gpio_table = {
- .dev_id = "s3c2410-sdi",
- .table = {
- /* Card detect S3C2410_GPF(1) */
- GPIO_LOOKUP("GPIOF", 1, "cd", GPIO_ACTIVE_LOW),
- /* Write protect S3C2410_GPG(10) */
- GPIO_LOOKUP("GPIOG", 10, "wp", GPIO_ACTIVE_LOW),
- { },
- /* bus pins */
- GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
- },
-};
-
-static struct platform_device *n30_devices[] __initdata = {
- &s3c_device_lcd,
- &s3c_device_wdt,
- &s3c_device_i2c0,
- &s3c_device_iis,
- &s3c_device_ohci,
- &s3c_device_rtc,
- &s3c_device_usbgadget,
- &s3c_device_sdi,
- &n30_button_device,
- &n30_blue_led,
- &n30_warning_led,
-};
-
-static struct platform_device *n35_devices[] __initdata = {
- &s3c_device_lcd,
- &s3c_device_wdt,
- &s3c_device_i2c0,
- &s3c_device_iis,
- &s3c_device_rtc,
- &s3c_device_usbgadget,
- &s3c_device_sdi,
- &n35_button_device,
- &n35_blue_led,
- &n35_warning_led,
-};
-
-static struct s3c2410_platform_i2c __initdata n30_i2ccfg = {
- .flags = 0,
- .slave_addr = 0x10,
- .frequency = 10*1000,
-};
-
-/* Lots of hardcoded stuff, but it sets up the hardware in a useful
- * state so that we can boot Linux directly from flash. */
-static void __init n30_hwinit(void)
-{
- /* GPA0-11 special functions -- unknown what they do
- * GPA12 N30 special function -- unknown what it does
- * N35/PiN output -- unknown what it does
- *
- * A12 is nGCS1 on the N30 and an output on the N35/PiN. I
- * don't think it does anything useful on the N30, so I ought
- * to make it an output there too since it always driven to 0
- * as far as I can tell. */
- if (machine_is_n30())
- __raw_writel(0x007fffff, S3C2410_GPACON);
- if (machine_is_n35())
- __raw_writel(0x007fefff, S3C2410_GPACON);
- __raw_writel(0x00000000, S3C2410_GPADAT);
-
- /* GPB0 TOUT0 backlight level
- * GPB1 output 1=backlight on
- * GPB2 output IrDA enable 0=transceiver enabled, 1=disabled
- * GPB3 output USB D+ pull up 0=disabled, 1=enabled
- * GPB4 N30 output -- unknown function
- * N30/PiN GPS control 0=GPS enabled, 1=GPS disabled
- * GPB5 output -- unknown function
- * GPB6 input -- unknown function
- * GPB7 output -- unknown function
- * GPB8 output -- probably LCD driver enable
- * GPB9 output -- probably LCD VSYNC driver enable
- * GPB10 output -- probably LCD HSYNC driver enable
- */
- __raw_writel(0x00154556, S3C2410_GPBCON);
- __raw_writel(0x00000750, S3C2410_GPBDAT);
- __raw_writel(0x00000073, S3C2410_GPBUP);
-
- /* GPC0 input RS232 DCD/DSR/RI
- * GPC1 LCD
- * GPC2 output RS232 DTR?
- * GPC3 input RS232 DCD/DSR/RI
- * GPC4 LCD
- * GPC5 output 0=NAND write enabled, 1=NAND write protect
- * GPC6 input -- unknown function
- * GPC7 input charger status 0=charger connected
- * this input can be triggered by power on the USB device
- * port too, but will go back to disconnected soon after.
- * GPC8 N30/N35 output -- unknown function, always driven to 1
- * PiN input -- unknown function, always read as 1
- * Make it an input with a pull up for all models.
- * GPC9-15 LCD
- */
- __raw_writel(0xaaa80618, S3C2410_GPCCON);
- __raw_writel(0x0000014c, S3C2410_GPCDAT);
- __raw_writel(0x0000fef2, S3C2410_GPCUP);
-
- /* GPD0 input -- unknown function
- * GPD1-D7 LCD
- * GPD8 N30 output -- unknown function
- * N35/PiN output 1=GPS LED on
- * GPD9 output 0=power led blinks red, 1=normal power led function
- * GPD10 output -- unknown function
- * GPD11-15 LCD drivers
- */
- __raw_writel(0xaa95aaa4, S3C2410_GPDCON);
- __raw_writel(0x00000601, S3C2410_GPDDAT);
- __raw_writel(0x0000fbfe, S3C2410_GPDUP);
-
- /* GPE0-4 I2S audio bus
- * GPE5-10 SD/MMC bus
- * E11-13 outputs -- unknown function, probably power management
- * E14-15 I2C bus connected to the battery controller
- */
- __raw_writel(0xa56aaaaa, S3C2410_GPECON);
- __raw_writel(0x0000efc5, S3C2410_GPEDAT);
- __raw_writel(0x0000f81f, S3C2410_GPEUP);
-
- /* GPF0 input 0=power button pressed
- * GPF1 input SD/MMC switch 0=card present
- * GPF2 N30 1=reset button pressed (inverted compared to the rest)
- * N35/PiN 0=reset button pressed
- * GPF3 N30/PiN input -- unknown function
- * N35 input GPS antenna position, 0=antenna closed, 1=open
- * GPF4 input 0=button 4 pressed
- * GPF5 input 0=button 3 pressed
- * GPF6 input 0=button 2 pressed
- * GPF7 input 0=button 1 pressed
- */
- __raw_writel(0x0000aaaa, S3C2410_GPFCON);
- __raw_writel(0x00000000, S3C2410_GPFDAT);
- __raw_writel(0x000000ff, S3C2410_GPFUP);
-
- /* GPG0 input RS232 DCD/DSR/RI
- * GPG1 input 1=USB gadget port has power from a host
- * GPG2 N30 input -- unknown function
- * N35/PiN input 0=headphones plugged in, 1=not plugged in
- * GPG3 N30 output -- unknown function
- * N35/PiN input with unknown function
- * GPG4 N30 output 0=MMC enabled, 1=MMC disabled
- * GPG5 N30 output 0=BlueTooth chip disabled, 1=enabled
- * N35/PiN input joystick right
- * GPG6 N30 output 0=blue led on, 1=off
- * N35/PiN input joystick left
- * GPG7 input 0=thumbwheel pressed
- * GPG8 input 0=thumbwheel down
- * GPG9 input 0=thumbwheel up
- * GPG10 input SD/MMC write protect switch
- * GPG11 N30 input -- unknown function
- * N35 output 0=GPS antenna powered, 1=not powered
- * PiN output -- unknown function
- * GPG12-15 touch screen functions
- *
- * The pullups differ between the models, so enable all
- * pullups that are enabled on any of the models.
- */
- if (machine_is_n30())
- __raw_writel(0xff0a956a, S3C2410_GPGCON);
- if (machine_is_n35())
- __raw_writel(0xff4aa92a, S3C2410_GPGCON);
- __raw_writel(0x0000e800, S3C2410_GPGDAT);
- __raw_writel(0x0000f86f, S3C2410_GPGUP);
-
- /* GPH0/1/2/3 RS232 serial port
- * GPH4/5 IrDA serial port
- * GPH6/7 N30 BlueTooth serial port
- * N35/PiN GPS receiver
- * GPH8 input -- unknown function
- * GPH9 CLKOUT0 HCLK -- unknown use
- * GPH10 CLKOUT1 FCLK -- unknown use
- *
- * The pull ups for H6/H7 are enabled on N30 but not on the
- * N35/PiN. I suppose is useful for a budget model of the N30
- * with no bluetooth. It doesn't hurt to have the pull ups
- * enabled on the N35, so leave them enabled for all models.
- */
- __raw_writel(0x0028aaaa, S3C2410_GPHCON);
- __raw_writel(0x000005ef, S3C2410_GPHDAT);
- __raw_writel(0x0000063f, S3C2410_GPHUP);
-}
-
-static void __init n30_map_io(void)
-{
- s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
- n30_hwinit();
- s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs));
- s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
-}
-
-static void __init n30_init_time(void)
-{
- s3c2410_init_clocks(12000000);
- s3c24xx_timer_init();
-}
-
-/* GPB3 is the line that controls the pull-up for the USB D+ line */
-
-static void __init n30_init(void)
-{
- WARN_ON(gpio_request(S3C2410_GPG(4), "mmc power"));
-
- s3c24xx_fb_set_platdata(&n30_fb_info);
- gpiod_add_lookup_table(&n30_udc_gpio_table);
- s3c24xx_udc_set_platdata(&n30_udc_cfg);
- gpiod_add_lookup_table(&n30_mci_gpio_table);
- s3c24xx_mci_set_platdata(&n30_mci_cfg);
- s3c_i2c0_set_platdata(&n30_i2ccfg);
-
- /* Turn off suspend on both USB ports, and switch the
- * selectable USB port to USB device mode. */
-
- s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
- S3C2410_MISCCR_USBSUSPND0 |
- S3C2410_MISCCR_USBSUSPND1, 0x0);
-
- /* Configure the I2S pins (GPE0...GPE4) in correct mode */
- s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
- S3C_GPIO_PULL_NONE);
-
- if (machine_is_n30()) {
- /* Turn off suspend on both USB ports, and switch the
- * selectable USB port to USB device mode. */
- s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
- S3C2410_MISCCR_USBSUSPND0 |
- S3C2410_MISCCR_USBSUSPND1, 0x0);
-
- /* Disable pull-up and add GPIO tables */
- s3c_gpio_setpull(S3C2410_GPG(6), S3C_GPIO_PULL_NONE);
- s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
- gpiod_add_lookup_table(&n30_blue_led_gpio_table);
- gpiod_add_lookup_table(&n30_warning_led_gpio_table);
-
- platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
- }
-
- if (machine_is_n35()) {
- /* Turn off suspend and switch the selectable USB port
- * to USB device mode. Turn on suspend for the host
- * port since it is not connected on the N35.
- *
- * Actually, the host port is available at some pads
- * on the back of the device, so it would actually be
- * possible to add a USB device inside the N35 if you
- * are willing to do some hardware modifications. */
- s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
- S3C2410_MISCCR_USBSUSPND0 |
- S3C2410_MISCCR_USBSUSPND1,
- S3C2410_MISCCR_USBSUSPND0);
-
- /* Disable pull-up and add GPIO tables */
- s3c_gpio_setpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
- s3c_gpio_setpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
- gpiod_add_lookup_table(&n35_blue_led_gpio_table);
- gpiod_add_lookup_table(&n35_warning_led_gpio_table);
-
- platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
- }
-}
-
-MACHINE_START(N30, "Acer-N30")
- /* Maintainer: Christer Weinigel <christer@weinigel.se>,
- Ben Dooks <ben-linux@fluff.org>
- */
- .atag_offset = 0x100,
- .nr_irqs = NR_IRQS_S3C2410,
- .init_time = n30_init_time,
- .init_machine = n30_init,
- .init_irq = s3c2410_init_irq,
- .map_io = n30_map_io,
-MACHINE_END
-
-MACHINE_START(N35, "Acer-N35")
- /* Maintainer: Christer Weinigel <christer@weinigel.se>
- */
- .atag_offset = 0x100,
- .nr_irqs = NR_IRQS_S3C2410,
- .init_time = n30_init_time,
- .init_machine = n30_init,
- .init_irq = s3c2410_init_irq,
- .map_io = n30_map_io,
-MACHINE_END