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 #include "time.h"
  45 #include "system-arm.h"
  46
  47 #define MRDEBUG
  48
  49 #if defined(MRDEBUG)
  50
  51 extern int line;
  52 #if 0
  53 struct touch_calibration_point tl, br;
  54
  55 void touchpad_get_one_point(struct touch_calibration_point *p)
  56 {
  57     int data = 0;
  58     int start = current_tick;
  59     while (TIME_AFTER(start+(HZ/3), current_tick))
  60     {
  61         if (button_read_device()&BUTTON_TOUCHPAD)
  62         {
  63             data = button_get_last_touch();
  64             p->val_x = data>>16;
  65             p->val_y = data&0xffff;
  66             start = current_tick;
  67         }
  68         else if (data == 0)
  69             start = current_tick;
  70     }
  71 }
  72
  73 #define MARGIN 25
  74 #define LEN    7
  75 void touchpad_calibrate_screen(void)
  76 {
  77     reset_screen();
  78     printf("touch the center of the crosshairs to calibrate");
  79     /* get the topleft value */
  80     lcd_hline(MARGIN-LEN, MARGIN+LEN, MARGIN);
  81     lcd_vline(MARGIN, MARGIN-LEN, MARGIN+LEN);
  82     lcd_update();
  83     tl.px_x = MARGIN; tl.px_y = MARGIN;
  84     touchpad_get_one_point(&tl);
  85     reset_screen();
  86     printf("touch the center of the crosshairs to calibrate");
  87     /* get the topright value */
  88     lcd_hline(LCD_WIDTH-MARGIN-LEN, LCD_WIDTH-MARGIN+LEN, LCD_HEIGHT-MARGIN);
  89     lcd_vline(LCD_WIDTH-MARGIN, LCD_HEIGHT-MARGIN-LEN, LCD_HEIGHT-MARGIN+LEN);
  90     lcd_update();
  91     br.px_x = LCD_WIDTH-MARGIN; br.px_y = LCD_HEIGHT-MARGIN;
  92     touchpad_get_one_point(&br);
  93     reset_screen();
  94     line++;
  95     printf("tl %d %d", tl.val_x, tl.val_y);
  96     printf("br %d %d", br.val_x, br.val_y);
  97     line++;
  98     set_calibration_points(&tl, &br);
  99 }
 100 #endif
 101 static uint8_t bl_command[] = {0xa4, 0x00, 0x00, 0xbb};
 102 int brightness = 0;
 103
 104 void mrdebug(void)
 105 {
 106     int button=0;
 107 #if 0
 108     use_calibration(false);
 109     touchpad_calibrate_screen();
 110     use_calibration(true);
 111 #endif
 112
 113     while(true)
 114     {
 115 #if 0
 116         struct tm *t = get_time();
 117         printf("%d:%d:%d %d %d %d", t->tm_hour, t->tm_min, t->tm_sec, t->tm_mday, t->tm_mon, t->tm_year);
 118         printf("time: %d", mktime(t));
 119 #endif
 120         button = button_get(false);
 121         if (button == BUTTON_POWER)
 122         {
 123             printf("reset");
 124             IO_GIO_BITSET1|=1<<10;
 125         }
 126         if (button==BUTTON_RC_VOL_DOWN)
 127         {
 128             brightness = (brightness - 5) & 0x7f;
 129             bl_command[2] = brightness;
 130             spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
 131         }
 132         else if (button==BUTTON_RC_VOL_UP)
 133         {
 134             brightness = (brightness + 5) & 0x7f;
 135             bl_command[2] = brightness;
 136             spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
 137         }
 138 //         {
 139 //             short x,y,z1,z2;
 140 //             tsc2100_read_values(&x, &y, &z1, &z2);
 141 //             printf("x: %04x y: %04x z1: %04x z2: %04x", x, y, z1, z2);
 142 //             printf("tsadc: %4x", tsc2100_readreg(TSADC_PAGE, TSADC_ADDRESS)&0xffff);
 143 // //            tsc2100_keyclick(); /* doesnt work :( */
 144 //             line -= 6;
 145 //         }
 146 #if 1
 147         if (button&BUTTON_TOUCHPAD)
 148         {
 149             if (button&BUTTON_REL)
 150                 continue;
 151             unsigned int data = button_get_data();
 152             int x = (data&0xffff0000)>>16, y = data&0x0000ffff;
 153             reset_screen();
 154             line = 9;
 155             printf("%x %d %d\n", button, x,y);
 156             lcd_hline(x-5, x+5, y);
 157             lcd_vline(x, y-5, y+5);
 158             lcd_update();
 159         }
 160 #endif
 161     }
 162 }
 163 #endif
 164
 165 void main(void)
 166 {
 167     unsigned char* loadbuffer;
 168     int buffer_size;
 169     int rc;
 170     int(*kernel_entry)(void);
 171
 172     power_init();
 173     lcd_init();
 174     system_init();
 175     kernel_init();
 176
 177     set_irq_level(0);
 178     set_fiq_status(FIQ_ENABLED);
 179
 180     adc_init();
 181     button_init();
 182     backlight_init();
 183
 184     font_init();
 185
 186     lcd_setfont(FONT_SYSFIXED);
 187
 188     /* Show debug messages if button is pressed */
 189 //    if(button_read_device())
 190         verbose = true;
 191
 192     printf("Rockbox boot loader");
 193     printf("Version %s", APPSVERSION);
 194
 195     usb_init();
 196
 197     /* Enter USB mode without USB thread */
 198     if(usb_detect())
 199     {
 200         const char msg[] = "Bootloader USB mode";
 201         reset_screen();
 202         lcd_putsxy( (LCD_WIDTH - (SYSFONT_WIDTH * strlen(msg))) / 2,
 203                     (LCD_HEIGHT - SYSFONT_HEIGHT) / 2, msg);
 204         lcd_update();
 205
 206         ide_power_enable(true);
 207         ata_enable(false);
 208         sleep(HZ/20);
 209         usb_enable(true);
 210
 211         while (usb_detect())
 212         {
 213             ata_spin(); /* Prevent the drive from spinning down */
 214             sleep(HZ);
 215         }
 216
 217         usb_enable(false);
 218
 219         reset_screen();
 220         lcd_update();
 221     }
 222 #if defined(MRDEBUG)
 223     mrdebug();
 224 #endif
 225     printf("ATA");
 226     rc = ata_init();
 227     if(rc)
 228     {
 229         reset_screen();
 230         error(EATA, rc);
 231     }
 232
 233     printf("disk");
 234     disk_init();
 235
 236     printf("mount");
 237     rc = disk_mount_all();
 238     if (rc<=0)
 239     {
 240         error(EDISK,rc);
 241     }
 242
 243     printf("Loading firmware");
 244
 245     loadbuffer = (unsigned char*) 0x00900000;
 246     buffer_size = (unsigned char*)0x01900000 - loadbuffer;
 247
 248     rc = load_firmware(loadbuffer, BOOTFILE, buffer_size);
 249     if(rc < 0)
 250         error(EBOOTFILE, rc);
 251
 252     if (rc == EOK)
 253     {
 254         kernel_entry = (void*) loadbuffer;
 255         rc = kernel_entry();
 256     }
 257 }