arch/arm/mach-s3c2410/mach-h1940.c

   1 /* linux/arch/arm/mach-s3c2410/mach-h1940.c
   2  *
   3  * Copyright (c) 2003-2005 Simtec Electronics
   4  *   Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.handhelds.org/projects/h1940.html
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * Modifications:
  13  *     16-May-2003 BJD  Created initial version
  14  *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
  15  *     05-Sep-2003 BJD  Moved to v2.6 kernel
  16  *     06-Jan-2003 BJD  Updates for <arch/map.h>
  17  *     18-Jan-2003 BJD  Added serial port configuration
  18  *     17-Feb-2003 BJD  Copied to mach-ipaq.c
  19  *     21-Aug-2004 BJD  Added struct s3c2410_board
  20  *     04-Sep-2004 BJD  Changed uart init, renamed ipaq_ -> h1940_
  21  *     18-Oct-2004 BJD  Updated new board structure name
  22  *     04-Nov-2004 BJD  Change for new serial clock
  23  *     04-Jan-2005 BJD  Updated uart init call
  24  *     10-Jan-2005 BJD  Removed include of s3c2410.h
  25  *     14-Jan-2005 BJD  Added clock init
  26  *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
  27 */
  28
  29 #include <linux/kernel.h>
  30 #include <linux/types.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/list.h>
  33 #include <linux/timer.h>
  34 #include <linux/init.h>
  35
  36 #include <asm/mach/arch.h>
  37 #include <asm/mach/map.h>
  38 #include <asm/mach/irq.h>
  39
  40 #include <asm/hardware.h>
  41 #include <asm/hardware/iomd.h>
  42 #include <asm/io.h>
  43 #include <asm/irq.h>
  44 #include <asm/mach-types.h>
  45
  46 //#include <asm/debug-ll.h>
  47 #include <asm/arch/regs-serial.h>
  48
  49 #include <linux/serial_core.h>
  50
  51 #include "clock.h"
  52 #include "devs.h"
  53 #include "cpu.h"
  54
  55 static struct map_desc h1940_iodesc[] __initdata = {
  56         /* nothing here yet */
  57 };
  58
  59 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  60 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  61 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  62
  63 static struct s3c2410_uartcfg h1940_uartcfgs[] = {
  64         [0] = {
  65                 .hwport      = 0,
  66                 .flags       = 0,
  67                 .ucon        = 0x3c5,
  68                 .ulcon       = 0x03,
  69                 .ufcon       = 0x51,
  70         },
  71         [1] = {
  72                 .hwport      = 1,
  73                 .flags       = 0,
  74                 .ucon        = 0x245,
  75                 .ulcon       = 0x03,
  76                 .ufcon       = 0x00,
  77         },
  78         /* IR port */
  79         [2] = {
  80                 .hwport      = 2,
  81                 .flags       = 0,
  82                 .uart_flags  = UPF_CONS_FLOW,
  83                 .ucon        = 0x3c5,
  84                 .ulcon       = 0x43,
  85                 .ufcon       = 0x51,
  86         }
  87 };
  88
  89
  90
  91
  92 static struct platform_device *h1940_devices[] __initdata = {
  93         &s3c_device_usb,
  94         &s3c_device_lcd,
  95         &s3c_device_wdt,
  96         &s3c_device_i2c,
  97         &s3c_device_iis,
  98 };
  99
 100 static struct s3c24xx_board h1940_board __initdata = {
 101         .devices       = h1940_devices,
 102         .devices_count = ARRAY_SIZE(h1940_devices)
 103 };
 104
 105 void __init h1940_map_io(void)
 106 {
 107         s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
 108         s3c24xx_init_clocks(0);
 109         s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
 110         s3c24xx_set_board(&h1940_board);
 111 }
 112
 113 void __init h1940_init_irq(void)
 114 {
 115         s3c24xx_init_irq();
 116
 117 }
 118
 119 MACHINE_START(H1940, "IPAQ-H1940")
 120         /* Maintainer: Ben Dooks <ben@fluff.org> */
 121         .phys_ram       = S3C2410_SDRAM_PA,
 122         .phys_io        = S3C2410_PA_UART,
 123         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 124         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 125         .map_io         = h1940_map_io,
 126         .init_irq       = h1940_init_irq,
 127         .timer          = &s3c24xx_timer,
 128 MACHINE_END