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