bootloader/mrobe500.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id: $
   9  *
  10  * Copyright (C) 2007 by Karl Kurbjun
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include "inttypes.h"
  21 #include "string.h"
  22 #include "cpu.h"
  23 #include "system.h"
  24 #include "lcd.h"
  25 #include "kernel.h"
  26 #include "thread.h"
  27 #include "ata.h"
  28 #include "fat.h"
  29 #include "disk.h"
  30 #include "font.h"
  31 #include "adc.h"
  32 #include "backlight.h"
  33 #include "backlight-target.h"
  34 #include "button.h"
  35 #include "panic.h"
  36 #include "power.h"
  37 #include "file.h"
  38 #include "common.h"
  39 #include "rbunicode.h"
  40 #include "usb.h"
  41 #include "spi-target.h"
  42 #include "uart-target.h"
  43
  44 void main(void)
  45 {
  46     unsigned char* loadbuffer;
  47     int buffer_size;
  48     int rc;
  49     int(*kernel_entry)(void);
  50
  51     power_init();
  52     system_init();
  53     kernel_init();
  54     adc_init();
  55     button_init();
  56     backlight_init();
  57     uartSetup();
  58     lcd_init();
  59     font_init();
  60     dm320_spi_init();
  61
  62     lcd_setfont(FONT_SYSFIXED);
  63
  64     /* Show debug messages if button is pressed */
  65 //    if(button_read_device())
  66         verbose = true;
  67
  68     printf("Rockbox boot loader");
  69     printf("Version %s", APPSVERSION);
  70
  71     usb_init();
  72
  73     #if 0
  74     /* Enter USB mode without USB thread */
  75     if(usb_detect())
  76     {
  77         const char msg[] = "Bootloader USB mode";
  78         reset_screen();
  79         lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
  80                     (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
  81         lcd_update();
  82
  83         ide_power_enable(true);
  84         ata_enable(false);
  85         sleep(HZ/20);
  86         usb_enable(true);
  87
  88         while (usb_detect())
  89         {
  90             ata_spin(); /* Prevent the drive from spinning down */
  91             sleep(HZ);
  92         }
  93
  94         usb_enable(false);
  95
  96         reset_screen();
  97         lcd_update();
  98     }
  99     #endif
 100
 101     printf("ATA");
 102
 103     outw(inw(IO_GIO_DIR1)&~(1<<10), IO_GIO_DIR1); // set GIO26 to output
 104     while(true)
 105     {
 106         if (button_read_device() == BUTTON_POWER)
 107         {
 108             printf("reset");
 109             outw(1<<10, IO_GIO_BITSET1);
 110         }
 111
 112         // Read X, Y, Z1, Z2 touchscreen coordinates.
 113         int page = 0, address = 0;
 114         unsigned short command = 0x8000|(page << 11)|(address << 5);
 115         unsigned char out[] = {command >> 8, command & 0xff};
 116         unsigned char in[8];
 117         dm320_spi_block_transfer(out, sizeof(out), in, sizeof(in));
 118
 119         printf("%02x%02x %02x%02x %02x%02x %02x%02x\n",
 120             in[0], in[1],
 121             in[2], in[3],
 122             in[4], in[5],
 123             in[6], in[7]);
 124     }
 125 #if 0
 126     rc = ata_init();
 127     if(rc)
 128     {
 129         reset_screen();
 130         error(EATA, rc);
 131     }
 132
 133     printf("disk");
 134     disk_init();
 135
 136     printf("mount");
 137     rc = disk_mount_all();
 138     if (rc<=0)
 139     {
 140         error(EDISK,rc);
 141     }
 142
 143     printf("Loading firmware");
 144
 145     loadbuffer = (unsigned char*) 0x00900000;
 146     buffer_size = (unsigned char*)0x00100000 - loadbuffer;
 147
 148     rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
 149     if(rc < 0)
 150         error(EBOOTFILE, rc);
 151
 152     if (rc == EOK)
 153     {
 154         kernel_entry = (void*) loadbuffer;
 155         rc = kernel_entry();
 156     }
 157 #endif
 158 }