mirror of https://gitee.com/openkylin/linux.git
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* linux/arch/arm/mach-s3c2410/mach-smdk2440.c
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*
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* Copyright (c) 2004,2005 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* http://www.fluff.org/ben/smdk2440/
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*
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* Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
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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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* Modifications:
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* 01-Nov-2004 BJD Initial version
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* 12-Nov-2004 BJD Updated for release
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* 04-Jan-2005 BJD Fixes for pre-release
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* 22-Feb-2005 BJD Updated for 2.6.11-rc5 relesa
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* 10-Mar-2005 LCVR Replaced S3C2410_VA by S3C24XX_VA
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* 14-Mar-2005 BJD void __iomem fixes
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* 20-Sep-2005 BJD Added static to non-exported items
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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 <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/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/idle.h>
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#include "s3c2410.h"
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#include "s3c2440.h"
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#include "clock.h"
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#include "devs.h"
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#include "cpu.h"
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#include "pm.h"
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static struct map_desc smdk2440_iodesc[] __initdata = {
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/* ISA IO Space map (memory space selected by A24) */
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{ (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS2, SZ_16M, MT_DEVICE },
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{ (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS2, SZ_16M, MT_DEVICE },
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};
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg smdk2440_uartcfgs[] = {
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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 struct platform_device *smdk2440_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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};
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static struct s3c24xx_board smdk2440_board __initdata = {
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.devices = smdk2440_devices,
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.devices_count = ARRAY_SIZE(smdk2440_devices)
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};
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static void __init smdk2440_map_io(void)
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{
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s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
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s3c24xx_init_clocks(16934400);
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s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
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s3c24xx_set_board(&smdk2440_board);
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}
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static void __init smdk2440_machine_init(void)
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{
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/* Configure the LEDs (even if we have no LED support)*/
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s3c2410_gpio_cfgpin(S3C2410_GPF4, S3C2410_GPF4_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF5, S3C2410_GPF5_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF6, S3C2410_GPF6_OUTP);
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s3c2410_gpio_cfgpin(S3C2410_GPF7, S3C2410_GPF7_OUTP);
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s3c2410_gpio_setpin(S3C2410_GPF4, 0);
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s3c2410_gpio_setpin(S3C2410_GPF5, 0);
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s3c2410_gpio_setpin(S3C2410_GPF6, 0);
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s3c2410_gpio_setpin(S3C2410_GPF7, 0);
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s3c2410_pm_init();
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}
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MACHINE_START(S3C2440, "SMDK2440")
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/* Maintainer: Ben Dooks <ben@fluff.org> */
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.phys_ram = S3C2410_SDRAM_PA,
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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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.init_irq = s3c24xx_init_irq,
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.map_io = smdk2440_map_io,
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.init_machine = smdk2440_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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