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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  *      31-Oct-2005 BJD  Added LCD setup for framebuffer
  21 */
  22
  23 #include <linux/kernel.h>
  24 #include <linux/types.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/list.h>
  27 #include <linux/timer.h>
  28 #include <linux/init.h>
  29 #include <linux/tty.h>
  30 #include <linux/console.h>
  31 #include <linux/serial_core.h>
  32 #include <linux/serial.h>
  33
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 #include <asm/mach/irq.h>
  37
  38 #include <asm/hardware.h>
  39 #include <asm/hardware/iomd.h>
  40 #include <asm/io.h>
  41 #include <asm/irq.h>
  42 #include <asm/mach-types.h>
  43
  44 #include <asm/arch/regs-serial.h>
  45 #include <asm/arch/regs-gpio.h>
  46 #include <asm/arch/regs-lcd.h>
  47
  48 #include <asm/arch/fb.h>
  49
  50 #include "clock.h"
  51 #include "devs.h"
  52 #include "cpu.h"
  53 #include "pm.h"
  54
  55 static struct map_desc rx3715_iodesc[] __initdata = {
  56         /* dump ISA space somewhere unused */
  57
  58         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS3, SZ_16M, MT_DEVICE },
  59         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS3, SZ_16M, MT_DEVICE },
  60 };
  61
  62
  63 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
  64         [0] = {
  65                 .name           = "fclk",
  66                 .divisor        = 0,
  67                 .min_baud       = 0,
  68                 .max_baud       = 0,
  69         }
  70 };
  71
  72 static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
  73         [0] = {
  74                 .hwport      = 0,
  75                 .flags       = 0,
  76                 .ucon        = 0x3c5,
  77                 .ulcon       = 0x03,
  78                 .ufcon       = 0x51,
  79                 .clocks      = rx3715_serial_clocks,
  80                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  81         },
  82         [1] = {
  83                 .hwport      = 1,
  84                 .flags       = 0,
  85                 .ucon        = 0x3c5,
  86                 .ulcon       = 0x03,
  87                 .ufcon       = 0x00,
  88                 .clocks      = rx3715_serial_clocks,
  89                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  90         },
  91         /* IR port */
  92         [2] = {
  93                 .hwport      = 2,
  94                 .uart_flags  = UPF_CONS_FLOW,
  95                 .ucon        = 0x3c5,
  96                 .ulcon       = 0x43,
  97                 .ufcon       = 0x51,
  98                 .clocks      = rx3715_serial_clocks,
  99                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
 100         }
 101 };
 102
 103 /* framebuffer lcd controller information */
 104
 105 static struct s3c2410fb_mach_info rx3715_lcdcfg __initdata = {
 106         .regs   = {
 107                 .lcdcon1 =      S3C2410_LCDCON1_TFT16BPP | \
 108                                 S3C2410_LCDCON1_TFT | \
 109                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 110
 111                 .lcdcon2 =      S3C2410_LCDCON2_VBPD(5) | \
 112                                 S3C2410_LCDCON2_LINEVAL(319) | \
 113                                 S3C2410_LCDCON2_VFPD(6) | \
 114                                 S3C2410_LCDCON2_VSPW(2),
 115
 116                 .lcdcon3 =      S3C2410_LCDCON3_HBPD(35) | \
 117                                 S3C2410_LCDCON3_HOZVAL(239) | \
 118                                 S3C2410_LCDCON3_HFPD(35),
 119
 120                 .lcdcon4 =      S3C2410_LCDCON4_MVAL(0) | \
 121                                 S3C2410_LCDCON4_HSPW(7),
 122
 123                 .lcdcon5 =      S3C2410_LCDCON5_INVVLINE |
 124                                 S3C2410_LCDCON5_FRM565 |
 125                                 S3C2410_LCDCON5_HWSWP,
 126         },
 127
 128         .lpcsel =       0xf82,
 129
 130         .gpccon =       0xaa955699,
 131         .gpccon_mask =  0xffc003cc,
 132         .gpcup =        0x0000ffff,
 133         .gpcup_mask =   0xffffffff,
 134
 135         .gpdcon =       0xaa95aaa1,
 136         .gpdcon_mask =  0xffc0fff0,
 137         .gpdup =        0x0000faff,
 138         .gpdup_mask =   0xffffffff,
 139
 140         .fixed_syncs =  1,
 141         .width  =       240,
 142         .height =       320,
 143
 144         .xres   = {
 145                 .min =          240,
 146                 .max =          240,
 147                 .defval =       240,
 148         },
 149
 150         .yres   = {
 151                 .max =          320,
 152                 .min =          320,
 153                 .defval =       320,
 154         },
 155
 156         .bpp    = {
 157                 .min =          16,
 158                 .max =          16,
 159                 .defval =       16,
 160         },
 161 };
 162
 163 static struct platform_device *rx3715_devices[] __initdata = {
 164         &s3c_device_usb,
 165         &s3c_device_lcd,
 166         &s3c_device_wdt,
 167         &s3c_device_i2c,
 168         &s3c_device_iis,
 169 };
 170
 171 static struct s3c24xx_board rx3715_board __initdata = {
 172         .devices       = rx3715_devices,
 173         .devices_count = ARRAY_SIZE(rx3715_devices)
 174 };
 175
 176 static void __init rx3715_map_io(void)
 177 {
 178         s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
 179         s3c24xx_init_clocks(16934000);
 180         s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
 181         s3c24xx_set_board(&rx3715_board);
 182 }
 183
 184 static void __init rx3715_init_irq(void)
 185 {
 186         s3c24xx_init_irq();
 187 }
 188
 189 static void __init rx3715_init_machine(void)
 190 {
 191         s3c2410_pm_init();
 192         s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
 193 }
 194
 195
 196 MACHINE_START(RX3715, "IPAQ-RX3715")
 197         /* Maintainer: Ben Dooks <ben@fluff.org> */
 198         .phys_ram       = S3C2410_SDRAM_PA,
 199         .phys_io        = S3C2410_PA_UART,
 200         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 201         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 202         .map_io         = rx3715_map_io,
 203         .init_irq       = rx3715_init_irq,
 204         .init_machine   = rx3715_init_machine,
 205         .timer          = &s3c24xx_timer,
 206 MACHINE_END