Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /* linux/arch/arm/mach-s3c2410/mach-smdk2410.c
  2  *
  3  * linux/arch/arm/mach-s3c2410/mach-smdk2410.c
  4  *
  5  * Copyright (C) 2004 by FS Forth-Systeme GmbH
  6  * All rights reserved.
  7  *
  8  * @Author: Jonas Dietsche
  9  *
 10  * This program is free software; you can redistribute it and/or
 11  * modify it under the terms of the GNU General Public License as
 12  * published by the Free Software Foundation; either version 2 of
 13  * the License, or (at your option) any later version.
 14  *
 15  * This program is distributed in the hope that it will be useful,
 16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18  * GNU General Public License for more details.
 19  *
 20  * You should have received a copy of the GNU General Public License
 21  * along with this program; if not, write to the Free Software
 22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 23  * MA 02111-1307 USA
 24  *
 25  * @History:
 26  * derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
 27  * Ben Dooks <ben@simtec.co.uk>
 28  *
 29  ***********************************************************************/
 30 
 31 #include <linux/kernel.h>
 32 #include <linux/types.h>
 33 #include <linux/interrupt.h>
 34 #include <linux/list.h>
 35 #include <linux/timer.h>
 36 #include <linux/init.h>
 37 #include <linux/serial_core.h>
 38 #include <linux/platform_device.h>
 39 #include <linux/io.h>
 40 
 41 #include <asm/mach/arch.h>
 42 #include <asm/mach/map.h>
 43 #include <asm/mach/irq.h>
 44 
 45 #include <mach/hardware.h>
 46 #include <asm/irq.h>
 47 #include <asm/mach-types.h>
 48 
 49 #include <plat/regs-serial.h>
 50 #include <plat/iic.h>
 51 
 52 #include <plat/devs.h>
 53 #include <plat/cpu.h>
 54 
 55 #include <plat/common-smdk.h>
 56 
 57 static struct map_desc smdk2410_iodesc[] __initdata = {
 58   /* nothing here yet */
 59 };
 60 
 61 #define UCON S3C2410_UCON_DEFAULT
 62 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
 63 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
 64 
 65 static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = {
 66         [0] = {
 67                 .hwport      = 0,
 68                 .flags       = 0,
 69                 .ucon        = UCON,
 70                 .ulcon       = ULCON,
 71                 .ufcon       = UFCON,
 72         },
 73         [1] = {
 74                 .hwport      = 1,
 75                 .flags       = 0,
 76                 .ucon        = UCON,
 77                 .ulcon       = ULCON,
 78                 .ufcon       = UFCON,
 79         },
 80         [2] = {
 81                 .hwport      = 2,
 82                 .flags       = 0,
 83                 .ucon        = UCON,
 84                 .ulcon       = ULCON,
 85                 .ufcon       = UFCON,
 86         }
 87 };
 88 
 89 static struct platform_device *smdk2410_devices[] __initdata = {
 90         &s3c_device_usb,
 91         &s3c_device_lcd,
 92         &s3c_device_wdt,
 93         &s3c_device_i2c0,
 94         &s3c_device_iis,
 95 };
 96 
 97 static void __init smdk2410_map_io(void)
 98 {
 99         s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
100         s3c24xx_init_clocks(0);
101         s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs));
102 }
103 
104 static void __init smdk2410_init(void)
105 {
106         s3c_i2c0_set_platdata(NULL);
107         platform_add_devices(smdk2410_devices, ARRAY_SIZE(smdk2410_devices));
108         smdk_machine_init();
109 }
110 
111 MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switch
112                                     * to SMDK2410 */
113         /* Maintainer: Jonas Dietsche */
114         .phys_io        = S3C2410_PA_UART,
115         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
116         .boot_params    = S3C2410_SDRAM_PA + 0x100,
117         .map_io         = smdk2410_map_io,
118         .init_irq       = s3c24xx_init_irq,
119         .init_machine   = smdk2410_init,
120         .timer          = &s3c24xx_timer,
121 MACHINE_END
122 
123 
124 
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