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.h"
  42 #include "uart-target.h"
  43 #include "tsc2100.h"
  44
  45 extern int line;
  46
  47 void main(void)
  48 {
  49     unsigned char* loadbuffer;
  50     int buffer_size;
  51     int rc;
  52     int(*kernel_entry)(void);
  53
  54     power_init();
  55     lcd_init();
  56     system_init();
  57     kernel_init();
  58     adc_init();
  59     button_init();
  60     backlight_init();
  61     uart_init();
  62
  63     font_init();
  64     spi_init();
  65
  66     lcd_setfont(FONT_SYSFIXED);
  67
  68     /* Show debug messages if button is pressed */
  69 //    if(button_read_device())
  70         verbose = true;
  71
  72     printf("Rockbox boot loader");
  73     printf("Version %s", APPSVERSION);
  74
  75     usb_init();
  76
  77     /* Enter USB mode without USB thread */
  78     if(usb_detect())
  79     {
  80         const char msg[] = "Bootloader USB mode";
  81         reset_screen();
  82         lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
  83                     (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
  84         lcd_update();
  85
  86         ide_power_enable(true);
  87         ata_enable(false);
  88         sleep(HZ/20);
  89         usb_enable(true);
  90
  91         while (usb_detect())
  92         {
  93             ata_spin(); /* Prevent the drive from spinning down */
  94             sleep(HZ);
  95         }
  96
  97         usb_enable(false);
  98
  99         reset_screen();
 100         lcd_update();
 101     }
 102 #if 0
 103     int button=0, *address=0x0, count=0;
 104     while(true)
 105     {
 106         button = button_read_device();
 107         if (button == BUTTON_POWER)
 108         {
 109             printf("reset");
 110             IO_GIO_BITSET1|=1<<10;
 111         }
 112         if(button==BUTTON_RC_PLAY)
 113             address+=0x02;
 114         else if (button==BUTTON_RC_DOWN)
 115             address-=0x02;
 116         else if (button==BUTTON_RC_FF)
 117             address+=0x1000;
 118         else if (button==BUTTON_RC_REW)
 119             address-=0x1000;
 120         if (button&BUTTON_TOUCHPAD)
 121         {
 122             int touch = button_get_last_touch();
 123             printf("x: %d, y: %d", (touch>>16), touch&0xffff);
 124             line--;
 125         }
 126 //         if ((IO_GIO_BITSET0&(1<<14) == 0)
 127 //         {
 128 //             short x,y,z1,z2, reg;
 129 //             extern int uart1count;
 130 //             tsc2100_read_values(&x, &y, &z1, &z2);
 131 //             printf("x: %04x y: %04x z1: %04x z2: %04x", x, y, z1, z2);
 132 //             printf("tsadc: %4x", tsc2100_readreg(TSADC_PAGE, TSADC_ADDRESS)&0xffff);
 133 //             printf("current tick: %04x", current_tick);
 134 //             printf("Address: 0x%08x Data: 0x%08x", address, *address);
 135 //             printf("Address: 0x%08x Data: 0x%08x", address+1, *(address+1));
 136 //             printf("Address: 0x%08x Data: 0x%08x", address+2, *(address+2));
 137 //             printf("uart1count: %d", uart1count);
 138 //             printf("%x %x", IO_UART1_RFCR & 0x3f, IO_UART1_DTRR & 0xff);
 139 //             tsc2100_keyclick(); /* doesnt work :( */
 140 //             line -= 8;
 141 //         }
 142     }
 143 #endif
 144     printf("ATA");
 145     rc = ata_init();
 146     if(rc)
 147     {
 148         reset_screen();
 149         error(EATA, rc);
 150     }
 151
 152     printf("disk");
 153     disk_init();
 154
 155     printf("mount");
 156     rc = disk_mount_all();
 157     if (rc<=0)
 158     {
 159         error(EDISK,rc);
 160     }
 161
 162     printf("Loading firmware");
 163
 164     loadbuffer = (unsigned char*) 0x00900000;
 165     buffer_size = (unsigned char*)0x00100000 - loadbuffer;
 166
 167     rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
 168     if(rc < 0)
 169         error(EBOOTFILE, rc);
 170
 171     if (rc == EOK)
 172     {
 173         kernel_entry = (void*) loadbuffer;
 174         rc = kernel_entry();
 175     }
 176 }