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author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/arm/mach-s3c2410/mach-n30.c | |
download | linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/arm/mach-s3c2410/mach-n30.c')
-rw-r--r-- | arch/arm/mach-s3c2410/mach-n30.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c new file mode 100644 index 0000000..bd15998 --- /dev/null +++ b/arch/arm/mach-s3c2410/mach-n30.c @@ -0,0 +1,155 @@ +/* linux/arch/arm/mach-s3c2410/mach-n30.c + * + * Copyright (c) 2003-2005 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Copyright (c) 2005 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/interrupt.h> +#include <linux/list.h> +#include <linux/timer.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/kthread.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/hardware.h> +#include <asm/hardware/iomd.h> +#include <asm/io.h> +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <asm/arch/regs-serial.h> +#include <asm/arch/regs-gpio.h> +#include <asm/arch/iic.h> + +#include <linux/serial_core.h> + +#include "s3c2410.h" +#include "clock.h" +#include "devs.h" +#include "cpu.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, + }, + /* The BlueTooth controller is connected to port 2 */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x2c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, +}; + +static struct platform_device *n30_devices[] __initdata = { + &s3c_device_usb, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c, + &s3c_device_iis, + &s3c_device_usbgadget, +}; + +static struct s3c2410_platform_i2c n30_i2ccfg = { + .flags = 0, + .slave_addr = 0x10, + .bus_freq = 10*1000, + .max_freq = 10*1000, +}; + +static struct s3c24xx_board n30_board __initdata = { + .devices = n30_devices, + .devices_count = ARRAY_SIZE(n30_devices) +}; + +void __init n30_map_io(void) +{ + s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc)); + s3c24xx_init_clocks(0); + s3c24xx_init_uarts(n30_uartcfgs, ARRAY_SIZE(n30_uartcfgs)); + s3c24xx_set_board(&n30_board); +} + +void __init n30_init_irq(void) +{ + s3c24xx_init_irq(); +} + + +static int n30_usbstart_thread(void *unused) +{ + /* Turn off suspend on both USB ports, and switch the + * selectable USB port to USB device mode. */ + writel(readl(S3C2410_MISCCR) & ~0x00003008, S3C2410_MISCCR); + + /* Turn off the D+ pull up for 3 seconds so that the USB host + * at the other end will do a rescan of the USB bus. */ + s3c2410_gpio_setpin(S3C2410_GPB3, 0); + + msleep_interruptible(3*HZ); + + s3c2410_gpio_setpin(S3C2410_GPB3, 1); + + return 0; +} + + +void __init n30_init(void) +{ + s3c_device_i2c.dev.platform_data = &n30_i2ccfg; + + kthread_run(n30_usbstart_thread, NULL, "n30_usbstart"); +} + +MACHINE_START(N30, "Acer-N30") + MAINTAINER("Christer Weinigel <christer@weinigel.se>, Ben Dooks <ben-linux@fluff.org>") + BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, (u32)S3C24XX_VA_UART) + BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100) + + .timer = &s3c24xx_timer, + .init_machine = n30_init, + .init_irq = n30_init_irq, + .map_io = n30_map_io, +MACHINE_END + +/* + Local variables: + compile-command: "make ARCH=arm CROSS_COMPILE=/usr/local/arm/3.3.2/bin/arm-linux- -k -C ../../.." + c-basic-offset: 8 + End: +*/ |