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   1 /* linux/arch/arm/mach-s3c2410/mach-rx3715.c
   2  *
   3  * Copyright (c) 2003,2004 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *
   6  * http://www.handhelds.org/projects/rx3715.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-Sep-2004 BJD  Copied from mach-h1940.c
  14  *      25-Oct-2004 BJD  Updates for 2.6.10-rc1
  15  *      10-Jan-2005 BJD  Removed include of s3c2410.h s3c2440.h
  16  *      14-Jan-2005 BJD  Added new clock init
  17  *      10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
  18  *      14-Mar-2005 BJD  Fixed __iomem warnings
  19  *      20-Sep-2005 BJD  Added static to non-exported items
  20 */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/types.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/list.h>
  26 #include <linux/timer.h>
  27 #include <linux/init.h>
  28 #include <linux/tty.h>
  29 #include <linux/console.h>
  30 #include <linux/serial_core.h>
  31 #include <linux/serial.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/mach/irq.h>
  36
  37 #include <asm/hardware.h>
  38 #include <asm/hardware/iomd.h>
  39 #include <asm/io.h>
  40 #include <asm/irq.h>
  41 #include <asm/mach-types.h>
  42
  43 #include <asm/arch/regs-serial.h>
  44 #include <asm/arch/regs-gpio.h>
  45
  46 #include "clock.h"
  47 #include "devs.h"
  48 #include "cpu.h"
  49 #include "pm.h"
  50
  51 static struct map_desc rx3715_iodesc[] __initdata = {
  52         /* dump ISA space somewhere unused */
  53
  54         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS3, SZ_16M, MT_DEVICE },
  55         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS3, SZ_16M, MT_DEVICE },
  56 };
  57
  58
  59 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
  60         [0] = {
  61                 .name           = "fclk",
  62                 .divisor        = 0,
  63                 .min_baud       = 0,
  64                 .max_baud       = 0,
  65         }
  66 };
  67
  68 static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
  69         [0] = {
  70                 .hwport      = 0,
  71                 .flags       = 0,
  72                 .ucon        = 0x3c5,
  73                 .ulcon       = 0x03,
  74                 .ufcon       = 0x51,
  75                 .clocks      = rx3715_serial_clocks,
  76                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  77         },
  78         [1] = {
  79                 .hwport      = 1,
  80                 .flags       = 0,
  81                 .ucon        = 0x3c5,
  82                 .ulcon       = 0x03,
  83                 .ufcon       = 0x00,
  84                 .clocks      = rx3715_serial_clocks,
  85                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  86         },
  87         /* IR port */
  88         [2] = {
  89                 .hwport      = 2,
  90                 .uart_flags  = UPF_CONS_FLOW,
  91                 .ucon        = 0x3c5,
  92                 .ulcon       = 0x43,
  93                 .ufcon       = 0x51,
  94                 .clocks      = rx3715_serial_clocks,
  95                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  96         }
  97 };
  98
  99 static struct platform_device *rx3715_devices[] __initdata = {
 100         &s3c_device_usb,
 101         &s3c_device_lcd,
 102         &s3c_device_wdt,
 103         &s3c_device_i2c,
 104         &s3c_device_iis,
 105 };
 106
 107 static struct s3c24xx_board rx3715_board __initdata = {
 108         .devices       = rx3715_devices,
 109         .devices_count = ARRAY_SIZE(rx3715_devices)
 110 };
 111
 112 static void __init rx3715_map_io(void)
 113 {
 114         s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
 115         s3c24xx_init_clocks(16934000);
 116         s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
 117         s3c24xx_set_board(&rx3715_board);
 118 }
 119
 120 static void __init rx3715_init_irq(void)
 121 {
 122         s3c24xx_init_irq();
 123 }
 124
 125 #ifdef CONFIG_PM
 126 static void __init rx3715_init_machine(void)
 127 {
 128         s3c2410_pm_init();
 129 }
 130 #else
 131 #define rx3715_init_machine NULL
 132 #endif
 133
 134 MACHINE_START(RX3715, "IPAQ-RX3715")
 135         /* Maintainer: Ben Dooks <ben@fluff.org> */
 136         .phys_ram       = S3C2410_SDRAM_PA,
 137         .phys_io        = S3C2410_PA_UART,
 138         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 139         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 140         .map_io         = rx3715_map_io,
 141         .init_irq       = rx3715_init_irq,
 142         .init_machine   = rx3715_init_machine,
 143         .timer          = &s3c24xx_timer,
 144 MACHINE_END