bootloader/gigabeat.c

   1 #include "config.h"
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include "cpu.h"
   7 #include "system.h"
   8 #include "lcd.h"
   9 #include "kernel.h"
  10 #include "thread.h"
  11 #include "ata.h"
  12 #include "fat.h"
  13 #include "disk.h"
  14 #include "font.h"
  15 #include "adc.h"
  16 #include "backlight.h"
  17 #include "panic.h"
  18 #include "power.h"
  19 #include "file.h"
  20
  21 char version[] = APPSVERSION;
  22
  23 void go_usb_mode(void) {
  24   /* Drop into USB mode.  This does not check for disconnection. */
  25
  26     int i;
  27
  28     GPBDAT &= 0x7EF;
  29     GPBCON |= 1<<8;
  30
  31     GPGDAT &= 0xE7FF;
  32     GPGDAT |= 1<<11;
  33
  34     for (i = 0; i < 10000000; i++) {continue;}
  35
  36     GPBCON &= 0x2FFCFF;
  37     GPBDAT |= 1<<5;
  38     GPBDAT |= 1<<6;
  39 }
  40
  41 void * main(void)
  42 {
  43     int line = 0, i;
  44     char buf[256];
  45     struct partinfo* pinfo;
  46     unsigned short* identify_info;
  47     int testfile;
  48
  49     lcd_init();
  50     lcd_setfont(FONT_SYSFIXED);
  51 /*
  52     lcd_puts(0, line++, "Rockbox boot loader");
  53     snprintf(buf, sizeof(buf), "Version: 20%s", version);
  54     lcd_puts(0, line++, buf);
  55     snprintf(buf, sizeof(buf), "Gigabeat version: 0x%08x", 1);
  56     lcd_puts(0, line++, buf);
  57 */
  58
  59     lcd_puts(0, line++, "Hold MENU when booting for rescue mode.");
  60     lcd_update();
  61
  62     /* hold MENU to enter rescue mode */
  63     if (GPGDAT & 2)  {
  64         lcd_puts(0, line++, "Entering rescue mode..");
  65         lcd_update();
  66         go_usb_mode();
  67         while(1);
  68     }
  69
  70     i = ata_init();
  71     i = disk_mount_all();
  72
  73     snprintf(buf, sizeof(buf), "disk_mount_all: %d", i);
  74     lcd_puts(0, line++, buf);
  75
  76     identify_info = ata_get_identify();
  77
  78     for (i=0; i < 20; i++)
  79         ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
  80
  81     buf[40]=0;
  82
  83     /* kill trailing space */
  84     for (i=39; i && buf[i]==' '; i--)
  85         buf[i] = 0;
  86
  87     lcd_puts(0, line++, "Model");
  88     lcd_puts(0, line++, buf);
  89
  90     for (i=0; i < 4; i++)
  91         ((unsigned short*)buf)[i]=htobe16(identify_info[i+23]);
  92
  93     buf[8]=0;
  94
  95     lcd_puts(0, line++, "Firmware");
  96     lcd_puts(0, line++, buf);
  97
  98     pinfo = disk_partinfo(0);
  99     snprintf(buf, sizeof(buf), "Partition 0: 0x%02x %ld MB",
 100                   pinfo->type, pinfo->size / 2048);
 101     lcd_puts(0, line++, buf);
 102
 103     testfile = open("/boottest.txt", O_WRONLY|O_CREAT|O_TRUNC);
 104     write(testfile, "It works!", 9);
 105     close(testfile);
 106
 107     lcd_update();
 108
 109     /* now wait in USB mode so the bootloader can be updated */
 110     go_usb_mode();
 111     while(1);
 112
 113   return((void *)0);
 114 }
 115