mirror of https://gitee.com/openkylin/linux.git
188 lines
4.5 KiB
C
188 lines
4.5 KiB
C
/* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
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*
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* Copyright (c) 2006 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
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* loans of SMDK2413 to work with.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/hardware.h>
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#include <asm/hardware/iomd.h>
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#include <asm/setup.h>
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#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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//#include <asm/debug-ll.h>
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#include <asm/arch/regs-serial.h>
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/regs-lcd.h>
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#include <asm/arch/idle.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/fb.h>
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#include <asm/plat-s3c24xx/s3c2410.h>
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#include <asm/plat-s3c24xx/s3c2412.h>
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#include <asm/plat-s3c24xx/clock.h>
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#include <asm/plat-s3c24xx/devs.h>
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#include <asm/plat-s3c24xx/cpu.h>
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#include <asm/plat-s3c24xx/common-smdk.h>
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static struct map_desc smdk2413_iodesc[] __initdata = {
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};
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static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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},
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/* IR port */
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x43,
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.ufcon = 0x51,
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}
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};
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static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
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{
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printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
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switch (cmd)
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{
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case S3C2410_UDC_P_ENABLE :
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s3c2410_gpio_setpin(S3C2410_GPF2, 1);
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break;
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case S3C2410_UDC_P_DISABLE :
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s3c2410_gpio_setpin(S3C2410_GPF2, 0);
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break;
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case S3C2410_UDC_P_RESET :
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break;
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default:
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break;
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}
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}
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static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
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.udc_command = smdk2413_udc_pullup,
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};
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static struct platform_device *smdk2413_devices[] __initdata = {
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&s3c_device_usb,
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//&s3c_device_lcd,
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&s3c_device_wdt,
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&s3c_device_i2c,
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&s3c_device_iis,
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&s3c_device_usbgadget,
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};
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static void __init smdk2413_fixup(struct machine_desc *desc,
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struct tag *tags, char **cmdline,
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struct meminfo *mi)
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{
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if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
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mi->nr_banks=1;
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mi->bank[0].start = 0x30000000;
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mi->bank[0].size = SZ_64M;
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mi->bank[0].node = 0;
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}
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}
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static void __init smdk2413_map_io(void)
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{
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s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
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}
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static void __init smdk2413_machine_init(void)
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{ /* Turn off suspend on both USB ports, and switch the
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* selectable USB port to USB device mode. */
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s3c2410_gpio_setpin(S3C2410_GPF2, 0);
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s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPIO_OUTPUT);
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s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
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S3C2410_MISCCR_USBSUSPND0 |
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S3C2410_MISCCR_USBSUSPND1, 0x0);
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s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
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platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
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smdk_machine_init();
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}
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MACHINE_START(S3C2413, "S3C2413")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c24xx_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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MACHINE_START(SMDK2412, "SMDK2412")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c24xx_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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MACHINE_START(SMDK2413, "SMDK2413")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_io = S3C2410_PA_UART,
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.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
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.boot_params = S3C2410_SDRAM_PA + 0x100,
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.fixup = smdk2413_fixup,
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.init_irq = s3c24xx_init_irq,
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.map_io = smdk2413_map_io,
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.init_machine = smdk2413_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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