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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 <linux/mtd/mtd.h>
  36 #include <linux/mtd/nand.h>
  37 #include <linux/mtd/nand_ecc.h>
  38 #include <linux/mtd/partitions.h>
  39
  40 #include <asm/mach/arch.h>
  41 #include <asm/mach/map.h>
  42 #include <asm/mach/irq.h>
  43
  44 #include <asm/hardware.h>
  45 #include <asm/hardware/iomd.h>
  46 #include <asm/io.h>
  47 #include <asm/irq.h>
  48 #include <asm/mach-types.h>
  49
  50 #include <asm/arch/regs-serial.h>
  51 #include <asm/arch/regs-gpio.h>
  52 #include <asm/arch/regs-lcd.h>
  53
  54 #include <asm/arch/nand.h>
  55 #include <asm/arch/fb.h>
  56
  57 #include "clock.h"
  58 #include "devs.h"
  59 #include "cpu.h"
  60 #include "pm.h"
  61
  62 static struct map_desc rx3715_iodesc[] __initdata = {
  63         /* dump ISA space somewhere unused */
  64
  65         {
  66                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  67                 .pfn            = __phys_to_pfn(S3C2410_CS3),
  68                 .length         = SZ_1M,
  69                 .type           = MT_DEVICE,
  70         }, {
  71                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  72                 .pfn            = __phys_to_pfn(S3C2410_CS3),
  73                 .length         = SZ_1M,
  74                 .type           = MT_DEVICE,
  75         },
  76 };
  77
  78
  79 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
  80         [0] = {
  81                 .name           = "fclk",
  82                 .divisor        = 0,
  83                 .min_baud       = 0,
  84                 .max_baud       = 0,
  85         }
  86 };
  87
  88 static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
  89         [0] = {
  90                 .hwport      = 0,
  91                 .flags       = 0,
  92                 .ucon        = 0x3c5,
  93                 .ulcon       = 0x03,
  94                 .ufcon       = 0x51,
  95                 .clocks      = rx3715_serial_clocks,
  96                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  97         },
  98         [1] = {
  99                 .hwport      = 1,
 100                 .flags       = 0,
 101                 .ucon        = 0x3c5,
 102                 .ulcon       = 0x03,
 103                 .ufcon       = 0x00,
 104                 .clocks      = rx3715_serial_clocks,
 105                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
 106         },
 107         /* IR port */
 108         [2] = {
 109                 .hwport      = 2,
 110                 .uart_flags  = UPF_CONS_FLOW,
 111                 .ucon        = 0x3c5,
 112                 .ulcon       = 0x43,
 113                 .ufcon       = 0x51,
 114                 .clocks      = rx3715_serial_clocks,
 115                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
 116         }
 117 };
 118
 119 /* framebuffer lcd controller information */
 120
 121 static struct s3c2410fb_mach_info rx3715_lcdcfg __initdata = {
 122         .regs   = {
 123                 .lcdcon1 =      S3C2410_LCDCON1_TFT16BPP | \
 124                                 S3C2410_LCDCON1_TFT | \
 125                                 S3C2410_LCDCON1_CLKVAL(0x0C),
 126
 127                 .lcdcon2 =      S3C2410_LCDCON2_VBPD(5) | \
 128                                 S3C2410_LCDCON2_LINEVAL(319) | \
 129                                 S3C2410_LCDCON2_VFPD(6) | \
 130                                 S3C2410_LCDCON2_VSPW(2),
 131
 132                 .lcdcon3 =      S3C2410_LCDCON3_HBPD(35) | \
 133                                 S3C2410_LCDCON3_HOZVAL(239) | \
 134                                 S3C2410_LCDCON3_HFPD(35),
 135
 136                 .lcdcon4 =      S3C2410_LCDCON4_MVAL(0) | \
 137                                 S3C2410_LCDCON4_HSPW(7),
 138
 139                 .lcdcon5 =      S3C2410_LCDCON5_INVVLINE |
 140                                 S3C2410_LCDCON5_FRM565 |
 141                                 S3C2410_LCDCON5_HWSWP,
 142         },
 143
 144         .lpcsel =       0xf82,
 145
 146         .gpccon =       0xaa955699,
 147         .gpccon_mask =  0xffc003cc,
 148         .gpcup =        0x0000ffff,
 149         .gpcup_mask =   0xffffffff,
 150
 151         .gpdcon =       0xaa95aaa1,
 152         .gpdcon_mask =  0xffc0fff0,
 153         .gpdup =        0x0000faff,
 154         .gpdup_mask =   0xffffffff,
 155
 156         .fixed_syncs =  1,
 157         .width  =       240,
 158         .height =       320,
 159
 160         .xres   = {
 161                 .min =          240,
 162                 .max =          240,
 163                 .defval =       240,
 164         },
 165
 166         .yres   = {
 167                 .max =          320,
 168                 .min =          320,
 169                 .defval =       320,
 170         },
 171
 172         .bpp    = {
 173                 .min =          16,
 174                 .max =          16,
 175                 .defval =       16,
 176         },
 177 };
 178
 179 static struct mtd_partition rx3715_nand_part[] = {
 180         [0] = {
 181                 .name           = "Whole Flash",
 182                 .offset         = 0,
 183                 .size           = MTDPART_SIZ_FULL,
 184                 .mask_flags     = MTD_WRITEABLE,
 185         }
 186 };
 187
 188 static struct s3c2410_nand_set rx3715_nand_sets[] = {
 189         [0] = {
 190                 .name           = "Internal",
 191                 .nr_chips       = 1,
 192                 .nr_partitions  = ARRAY_SIZE(rx3715_nand_part),
 193                 .partitions     = rx3715_nand_part,
 194         },
 195 };
 196
 197 static struct s3c2410_platform_nand rx3715_nand_info = {
 198         .tacls          = 25,
 199         .twrph0         = 50,
 200         .twrph1         = 15,
 201         .nr_sets        = ARRAY_SIZE(rx3715_nand_sets),
 202         .sets           = rx3715_nand_sets,
 203 };
 204
 205 static struct platform_device *rx3715_devices[] __initdata = {
 206         &s3c_device_usb,
 207         &s3c_device_lcd,
 208         &s3c_device_wdt,
 209         &s3c_device_i2c,
 210         &s3c_device_iis,
 211         &s3c_device_nand,
 212 };
 213
 214 static struct s3c24xx_board rx3715_board __initdata = {
 215         .devices       = rx3715_devices,
 216         .devices_count = ARRAY_SIZE(rx3715_devices)
 217 };
 218
 219 static void __init rx3715_map_io(void)
 220 {
 221         s3c_device_nand.dev.platform_data = &rx3715_nand_info;
 222
 223         s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
 224         s3c24xx_init_clocks(16934000);
 225         s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
 226         s3c24xx_set_board(&rx3715_board);
 227 }
 228
 229 static void __init rx3715_init_irq(void)
 230 {
 231         s3c24xx_init_irq();
 232 }
 233
 234 static void __init rx3715_init_machine(void)
 235 {
 236         s3c2410_pm_init();
 237         s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
 238 }
 239
 240
 241 MACHINE_START(RX3715, "IPAQ-RX3715")
 242         /* Maintainer: Ben Dooks <ben@fluff.org> */
 243         .phys_io        = S3C2410_PA_UART,
 244         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 245         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 246         .map_io         = rx3715_map_io,
 247         .init_irq       = rx3715_init_irq,
 248         .init_machine   = rx3715_init_machine,
 249         .timer          = &s3c24xx_timer,
 250 MACHINE_END