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   1 /* linux/arch/arm/mach-s3c2440/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 */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/types.h>
  16 #include <linux/interrupt.h>
  17 #include <linux/list.h>
  18 #include <linux/timer.h>
  19 #include <linux/init.h>
  20 #include <linux/tty.h>
  21 #include <linux/console.h>
  22 #include <linux/sysdev.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/serial_core.h>
  25 #include <linux/serial.h>
  26 #include <linux/io.h>
  27 #include <linux/mtd/mtd.h>
  28 #include <linux/mtd/nand.h>
  29 #include <linux/mtd/nand_ecc.h>
  30 #include <linux/mtd/partitions.h>
  31
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/mach/irq.h>
  35
  36 #include <mach/hardware.h>
  37 #include <asm/irq.h>
  38 #include <asm/mach-types.h>
  39
  40 #include <plat/regs-serial.h>
  41 #include <mach/regs-gpio.h>
  42 #include <mach/regs-lcd.h>
  43
  44 #include <mach/h1940.h>
  45 #include <plat/nand.h>
  46 #include <mach/fb.h>
  47
  48 #include <plat/clock.h>
  49 #include <plat/devs.h>
  50 #include <plat/cpu.h>
  51 #include <plat/pm.h>
  52
  53 static struct map_desc rx3715_iodesc[] __initdata = {
  54         /* dump ISA space somewhere unused */
  55
  56         {
  57                 .virtual        = (u32)S3C24XX_VA_ISA_WORD,
  58                 .pfn            = __phys_to_pfn(S3C2410_CS3),
  59                 .length         = SZ_1M,
  60                 .type           = MT_DEVICE,
  61         }, {
  62                 .virtual        = (u32)S3C24XX_VA_ISA_BYTE,
  63                 .pfn            = __phys_to_pfn(S3C2410_CS3),
  64                 .length         = SZ_1M,
  65                 .type           = MT_DEVICE,
  66         },
  67 };
  68
  69
  70 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
  71         [0] = {
  72                 .name           = "fclk",
  73                 .divisor        = 0,
  74                 .min_baud       = 0,
  75                 .max_baud       = 0,
  76         }
  77 };
  78
  79 static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
  80         [0] = {
  81                 .hwport      = 0,
  82                 .flags       = 0,
  83                 .ucon        = 0x3c5,
  84                 .ulcon       = 0x03,
  85                 .ufcon       = 0x51,
  86                 .clocks      = rx3715_serial_clocks,
  87                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  88         },
  89         [1] = {
  90                 .hwport      = 1,
  91                 .flags       = 0,
  92                 .ucon        = 0x3c5,
  93                 .ulcon       = 0x03,
  94                 .ufcon       = 0x00,
  95                 .clocks      = rx3715_serial_clocks,
  96                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
  97         },
  98         /* IR port */
  99         [2] = {
 100                 .hwport      = 2,
 101                 .uart_flags  = UPF_CONS_FLOW,
 102                 .ucon        = 0x3c5,
 103                 .ulcon       = 0x43,
 104                 .ufcon       = 0x51,
 105                 .clocks      = rx3715_serial_clocks,
 106                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
 107         }
 108 };
 109
 110 /* framebuffer lcd controller information */
 111
 112 static struct s3c2410fb_display rx3715_lcdcfg __initdata = {
 113         .lcdcon5 =      S3C2410_LCDCON5_INVVLINE |
 114                         S3C2410_LCDCON5_FRM565 |
 115                         S3C2410_LCDCON5_HWSWP,
 116
 117         .type           = S3C2410_LCDCON1_TFT,
 118         .width          = 240,
 119         .height         = 320,
 120
 121         .pixclock       = 260000,
 122         .xres           = 240,
 123         .yres           = 320,
 124         .bpp            = 16,
 125         .left_margin    = 36,
 126         .right_margin   = 36,
 127         .hsync_len      = 8,
 128         .upper_margin   = 6,
 129         .lower_margin   = 7,
 130         .vsync_len      = 3,
 131 };
 132
 133 static struct s3c2410fb_mach_info rx3715_fb_info __initdata = {
 134
 135         .displays =     &rx3715_lcdcfg,
 136         .num_displays = 1,
 137         .default_display = 0,
 138
 139         .lpcsel =       0xf82,
 140
 141         .gpccon =       0xaa955699,
 142         .gpccon_mask =  0xffc003cc,
 143         .gpcup =        0x0000ffff,
 144         .gpcup_mask =   0xffffffff,
 145
 146         .gpdcon =       0xaa95aaa1,
 147         .gpdcon_mask =  0xffc0fff0,
 148         .gpdup =        0x0000faff,
 149         .gpdup_mask =   0xffffffff,
 150 };
 151
 152 static struct mtd_partition rx3715_nand_part[] = {
 153         [0] = {
 154                 .name           = "Whole Flash",
 155                 .offset         = 0,
 156                 .size           = MTDPART_SIZ_FULL,
 157                 .mask_flags     = MTD_WRITEABLE,
 158         }
 159 };
 160
 161 static struct s3c2410_nand_set rx3715_nand_sets[] = {
 162         [0] = {
 163                 .name           = "Internal",
 164                 .nr_chips       = 1,
 165                 .nr_partitions  = ARRAY_SIZE(rx3715_nand_part),
 166                 .partitions     = rx3715_nand_part,
 167         },
 168 };
 169
 170 static struct s3c2410_platform_nand rx3715_nand_info = {
 171         .tacls          = 25,
 172         .twrph0         = 50,
 173         .twrph1         = 15,
 174         .nr_sets        = ARRAY_SIZE(rx3715_nand_sets),
 175         .sets           = rx3715_nand_sets,
 176 };
 177
 178 static struct platform_device *rx3715_devices[] __initdata = {
 179         &s3c_device_usb,
 180         &s3c_device_lcd,
 181         &s3c_device_wdt,
 182         &s3c_device_i2c0,
 183         &s3c_device_iis,
 184         &s3c_device_nand,
 185 };
 186
 187 static void __init rx3715_map_io(void)
 188 {
 189         s3c_device_nand.dev.platform_data = &rx3715_nand_info;
 190
 191         s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
 192         s3c24xx_init_clocks(16934000);
 193         s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
 194 }
 195
 196 static void __init rx3715_init_irq(void)
 197 {
 198         s3c24xx_init_irq();
 199 }
 200
 201 static void __init rx3715_init_machine(void)
 202 {
 203 #ifdef CONFIG_PM_H1940
 204         memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
 205 #endif
 206         s3c2410_pm_init();
 207
 208         s3c24xx_fb_set_platdata(&rx3715_fb_info);
 209         platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices));
 210 }
 211
 212 MACHINE_START(RX3715, "IPAQ-RX3715")
 213         /* Maintainer: Ben Dooks <ben@fluff.org> */
 214         .phys_io        = S3C2410_PA_UART,
 215         .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
 216         .boot_params    = S3C2410_SDRAM_PA + 0x100,
 217         .map_io         = rx3715_map_io,
 218         .init_irq       = rx3715_init_irq,
 219         .init_machine   = rx3715_init_machine,
 220         .timer          = &s3c24xx_timer,
 221 MACHINE_END