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