diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/mach-n30.c')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-n30.c | 608 |
1 files changed, 0 insertions, 608 deletions
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c deleted file mode 100644 index 383d00ca8f60..000000000000 --- a/arch/arm/mach-s3c2410/mach-n30.c +++ /dev/null @@ -1,608 +0,0 @@ -/* 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 - * http://handhelds.org/moin/moin.cgi/AcerN30Documentation . - * - * 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/gpio_keys.h> -#include <linux/init.h> -#include <linux/gpio.h> -#include <linux/input.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/serial_core.h> -#include <linux/timer.h> -#include <linux/io.h> -#include <linux/mmc/host.h> - -#include <mach/hardware.h> -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include <mach/fb.h> -#include <mach/leds-gpio.h> -#include <mach/regs-gpio.h> -#include <mach/regs-lcd.h> - -#include <asm/mach/arch.h> -#include <asm/mach/irq.h> -#include <asm/mach/map.h> - -#include <plat/iic.h> -#include <plat/regs-serial.h> - -#include <plat/clock.h> -#include <plat/cpu.h> -#include <plat/devs.h> -#include <plat/mci.h> -#include <plat/s3c2410.h> -#include <plat/udc.h> - -#include "common.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 = { - .vbus_pin = S3C2410_GPG(1), - .vbus_pin_inverted = 0, - .pullup_pin = S3C2410_GPB(3), -}; - -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 s3c24xx_led_platdata n30_blue_led_pdata = { - .name = "blue_led", - .gpio = S3C2410_GPG(6), - .def_trigger = "", -}; - -/* This is the blue LED on the device. Originally used to indicate GPS activity - * by flashing. */ -static struct s3c24xx_led_platdata n35_blue_led_pdata = { - .name = "blue_led", - .gpio = S3C2410_GPD(8), - .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 s3c24xx_led_platdata n30_warning_led_pdata = { - .name = "warning_led", - .flags = S3C24XX_LEDF_ACTLOW, - .gpio = S3C2410_GPD(9), - .def_trigger = "", -}; - -static struct s3c24xx_led_platdata n35_warning_led_pdata = { - .name = "warning_led", - .flags = S3C24XX_LEDF_ACTLOW | S3C24XX_LEDF_TRISTATE, - .gpio = S3C2410_GPD(9), - .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) -{ - 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 = { - .gpio_detect = S3C2410_GPF(1), - .gpio_wprotect = S3C2410_GPG(10), - .ocr_avail = MMC_VDD_32_33, - .set_power = n30_sdi_set_power, -}; - -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 bluetooh. 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_clocks(0); - s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); -} - -/* 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); - s3c24xx_udc_set_platdata(&n30_udc_cfg); - 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); - - 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); - - 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); - - 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, - .timer = &s3c24xx_timer, - .init_machine = n30_init, - .init_irq = s3c24xx_init_irq, - .map_io = n30_map_io, - .restart = s3c2410_restart, -MACHINE_END - -MACHINE_START(N35, "Acer-N35") - /* Maintainer: Christer Weinigel <christer@weinigel.se> - */ - .atag_offset = 0x100, - .timer = &s3c24xx_timer, - .init_machine = n30_init, - .init_irq = s3c24xx_init_irq, - .map_io = n30_map_io, - .restart = s3c2410_restart, -MACHINE_END |