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Mine
Sunday, November 26th, 2006 at 7:04:53am MST 

  1. /***************************************************************************
  2.  *             __________               __   ___.
  3.  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
  4.  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
  5.  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
  6.  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
  7.  *                     \/            \/     \/    \/            \/
  8.  * $Id: h10.c,v 1.4 2006-08-28 08:11:32 barrywardell Exp $
  9.  *
  10.  * Copyright (C) 2006 by Barry Wardell
  11.  *
  12.  * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
  13.  * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
  14.  *
  15.  * All files in this archive are subject to the GNU General Public License.
  16.  * See the file COPYING in the source tree root for full license agreement.
  17.  *
  18.  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19.  * KIND, either express or implied.
  20.  *
  21.  ****************************************************************************/
  22. #include "config.h"
  23.  
  24. #include <stdlib.h>
  25. #include <stdio.h>
  26. #include <string.h>
  27. #include "cpu.h"
  28. #include "system.h"
  29. #include "lcd.h"
  30. #include "kernel.h"
  31. #include "thread.h"
  32. #include "ata.h"
  33. #include "fat.h"
  34. #include "disk.h"
  35. #include "font.h"
  36. #include "adc.h"
  37. #include "backlight.h"
  38. #include "button.h"
  39. #include "panic.h"
  40. #include "power.h"
  41. #include "file.h"
  42.  
  43. #define MAX_MENU_COUNT 2
  44. int menu_count=2;
  45. int time_left=5;
  46. int lasttick;
  47. #define MENU_GLOBAL_BORDER 10
  48. #define MENU_GLOBAL_BORDER_Y 30
  49. #define MENU_LINE_HEIGHT 8
  50.  
  51. #define FW_ROCKBOX 0
  52. #define FW_SANDISK 1
  53. struct firmwares
  54. {
  55.         char descr[32];
  56.         char filename[256];
  57.         int fw_type;
  58.         bool exists;
  59. };
  60.        
  61. static struct firmwares  items[MAX_MENU_COUNT] = {{"Sansa","OF.bin",FW_SANDISK,false},\
  62.                                                                             {"Rockbox",BOOTFILE,FW_ROCKBOX,false}};
  63.  
  64.  
  65. /* Size of the buffer to store the loaded Rockbox/Sansa image */
  66. #define MAX_LOADSIZE (10*1024*1024)
  67.  
  68. /* A buffer to load the iriver firmware or Rockbox into */
  69. unsigned char loadbuffer[MAX_LOADSIZE];
  70.  
  71. char version[] = APPSVERSION;
  72.  
  73. /* To store the original state of the GPIOs.
  74. We only use A-F in the bootloader */
  75. unsigned long gpio_en[7];
  76. unsigned long gpio_output_en[7];
  77.  
  78. int curent_line = 0;
  79.  
  80. #define DRAM_START              0x10000000
  81.  
  82. int line=0;
  83.  
  84. /* Save the initial GPIO status from the Sansa bootloader */
  85. void gpio_save(void)
  86. {
  87.     int i = 0;
  88.     gpio_en[i] = GPIOA_ENABLE;
  89.     gpio_output_en[i++] = GPIOA_OUTPUT_EN;
  90.     gpio_en[i] = GPIOB_ENABLE;
  91.     gpio_output_en[i++] = GPIOB_OUTPUT_EN;
  92.     gpio_en[i] = GPIOC_ENABLE;
  93.     gpio_output_en[i++] = GPIOC_OUTPUT_EN;
  94.     gpio_en[i] = GPIOD_ENABLE;
  95.     gpio_output_en[i++] = GPIOD_OUTPUT_EN;
  96.     gpio_en[i] = GPIOE_ENABLE;
  97.     gpio_output_en[i++] = GPIOE_OUTPUT_EN;
  98.     gpio_en[i] = GPIOF_ENABLE;
  99.     gpio_output_en[i++] = GPIOF_OUTPUT_EN;
  100.     gpio_en[i] = GPIOG_ENABLE;
  101.     gpio_output_en[i++] = GPIOG_OUTPUT_EN;
  102. }
  103.  
  104. /* Restore the GPIO status */
  105. void gpio_restore(void)
  106. {
  107.     int i = 0;
  108.     GPIOA_ENABLE = gpio_en[i];
  109.     GPIOA_OUTPUT_EN = gpio_output_en[i++];
  110.     GPIOB_ENABLE = gpio_en[i];
  111.     GPIOB_OUTPUT_EN = gpio_output_en[i++];
  112.     GPIOC_ENABLE = gpio_en[i];
  113.     GPIOC_OUTPUT_EN = gpio_output_en[i++];
  114.     GPIOD_ENABLE = gpio_en[i];
  115.     GPIOD_OUTPUT_EN = gpio_output_en[i++];
  116.     GPIOE_ENABLE = gpio_en[i];
  117.     GPIOE_OUTPUT_EN = gpio_output_en[i++];
  118.     GPIOF_ENABLE = gpio_en[i];
  119.     GPIOF_OUTPUT_EN = gpio_output_en[i++];
  120.     GPIOG_ENABLE = gpio_en[i];
  121.     GPIOG_OUTPUT_EN = gpio_output_en[i++];
  122. }
  123.  
  124. /* Load original iriver firmware. This function expects a file called
  125.    "/System/Original.mi4" on the player. It should be decrypted
  126.    and have the header stripped using mi4code. It reads the file in to a memory
  127.    buffer called buf. The rest of the loading is done in main() and crt0.S
  128. */
  129. int load_iriver(unsigned char* buf)
  130. {
  131.     int fd;
  132.     int rc;
  133.     int len;
  134.  
  135.     fd = open("/.rockbox/OF.bin", O_RDONLY);
  136.  
  137.     len = filesize(fd);
  138.  
  139.     if (len > MAX_LOADSIZE)
  140.         return -6;
  141.  
  142.     rc = read(fd, buf, len);
  143.     if(rc < len)
  144.         return -4;
  145.  
  146.     close(fd);
  147.     gpio_restore();
  148.     return len;
  149. }
  150.  
  151. /* Load Rockbox firmware (rockbox.h10) */
  152. int load_rockbox(unsigned char* buf)
  153. {
  154.     int fd;
  155.     int rc;
  156.     int len;
  157.     unsigned long chksum;
  158.     char model[5];
  159.     unsigned long sum;
  160.     int i;
  161.     char str[80];
  162.  
  163.     fd = open("/.rockbox/" BOOTFILE, O_RDONLY);
  164.     if(fd < 0)
  165.     {
  166.         fd = open("/" BOOTFILE, O_RDONLY);
  167.         if(fd < 0)
  168.             return -1;
  169.     }
  170.  
  171.     len = filesize(fd) - 8;
  172.  
  173.     snprintf(str, sizeof(str), "Length: %x", len);
  174.     lcd_puts(0, line++ ,str);
  175.     lcd_update();
  176.  
  177.     if (len > MAX_LOADSIZE)
  178.         return -6;
  179.  
  180.     lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
  181.  
  182.     rc = read(fd, &chksum, 4);
  183.     chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
  184.     if(rc < 4)
  185.         return -2;
  186.  
  187.     snprintf(str, sizeof(str), "Checksum: %x", chksum);
  188.     lcd_puts(0, line++ ,str);
  189.     lcd_update();
  190.  
  191.     rc = read(fd, model, 4);
  192.     if(rc < 4)
  193.         return -3;
  194.  
  195.     model[4] = 0;
  196.  
  197.     snprintf(str, sizeof(str), "Model name: %s", model);
  198.     lcd_puts(0, line++ ,str);
  199.     lcd_update();
  200.  
  201.     lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
  202.  
  203.     rc = read(fd, buf, len);
  204.     if(rc < len)
  205.         return -4;
  206.  
  207.     close(fd);
  208.  
  209.     sum = MODEL_NUMBER;
  210.  
  211.     for(i = 0;i < len;i++) {
  212.         sum += buf[i];
  213.     }
  214.  
  215.     /* I don't know why my checksums aren't matching.  Figure this out before committing.  Hack around it for now */
  216.     sum += 4;
  217.  
  218.     snprintf(str, sizeof(str), "Sum: %x", sum);
  219.     lcd_puts(0, line++ ,str);
  220.     lcd_update();
  221.  
  222.     if(sum != chksum)
  223.         return -5;
  224.  
  225.     return len;
  226. }
  227.  
  228.  
  229.  
  230.  
  231. void draw_items(void)
  232. {
  233.         char buf[256];
  234.     int font_h, font_w;
  235.    
  236.         int i;
  237.         lcd_getstringsize((unsigned char *)"A", &font_w, &font_h);
  238.         lcd_clear_display();
  239.         lcd_drawrect(MENU_GLOBAL_BORDER, MENU_GLOBAL_BORDER_Y, LCD_WIDTH-2*MENU_GLOBAL_BORDER, menu_count*MENU_LINE_HEIGHT+4);
  240.     for (i=0;i<menu_count;i++)
  241.     {   
  242.         if (curent_line==i)
  243.         {
  244.             lcd_fillrect((MENU_GLOBAL_BORDER+2),\
  245.                         (MENU_GLOBAL_BORDER_Y+2+i*MENU_LINE_HEIGHT),\
  246.                         LCD_WIDTH-2*(MENU_GLOBAL_BORDER+2),\
  247.                         MENU_LINE_HEIGHT);
  248.             lcd_set_drawmode(DRMODE_COMPLEMENT);
  249.             lcd_putsxy(((LCD_WIDTH)/2)-((strlen(items[i].descr)*font_w)/2),\
  250.                     (MENU_GLOBAL_BORDER_Y+2+i*MENU_LINE_HEIGHT),items[i].descr);
  251.             lcd_set_drawmode(DRMODE_SOLID);
  252.         }
  253.         else
  254.         {
  255.             lcd_putsxy(((LCD_WIDTH)/2)-((strlen(items[i].descr)*font_w)/2),\
  256.                     (MENU_GLOBAL_BORDER_Y+2+i*MENU_LINE_HEIGHT),items[i].descr);
  257.         }
  258.     }
  259.     lcd_drawrect(MENU_GLOBAL_BORDER, (MENU_GLOBAL_BORDER_Y+4+(menu_count)*MENU_LINE_HEIGHT)+MENU_GLOBAL_BORDER,\
  260.                                      LCD_WIDTH-2*MENU_GLOBAL_BORDER, MENU_LINE_HEIGHT+4);
  261.     snprintf(buf, sizeof(buf), "Time left: %d",time_left );
  262.     lcd_putsxy(MENU_GLOBAL_BORDER+2, (MENU_GLOBAL_BORDER_Y+4+(menu_count)*MENU_LINE_HEIGHT)+MENU_GLOBAL_BORDER+2,buf);
  263.     lcd_update();
  264. }
  265.  
  266. void* main(void)
  267. {
  268.     char buf[256];
  269.     int i;
  270.     int rc;
  271.     bool selected = false;
  272.     unsigned short* identify_info;
  273.     struct partinfo* pinfo;
  274.  
  275.     gpio_save();
  276.     system_init();
  277.     kernel_init();
  278.     lcd_init();
  279.     font_init();
  280.    
  281.    /* lcd_setfont(FONT_SYSFIXED);*/
  282.  
  283.  
  284.    
  285.     draw_items();
  286.     lasttick = current_tick;
  287.     time_left = 5;
  288.    
  289.     while (!selected)
  290.     {   sleep(HZ/10);
  291.         if ((current_tick - lasttick)>HZ)
  292.         {
  293.                 time_left--;
  294.                 if (time_left==0)
  295.                 {
  296.                         selected=true;
  297.                 }
  298.                     draw_items();
  299.                     lasttick=current_tick;
  300.         }
  301.        
  302.         i=button_read_device();
  303.         switch (i)
  304.         {
  305.             case BUTTON_UP:
  306.             {
  307.                 curent_line--;
  308.                 if (curent_line<0) curent_line = menu_count -1;   
  309.                
  310.                 draw_items();
  311.                 time_left= -1;
  312.                 break;
  313.             }
  314.            
  315.             case BUTTON_DOWN:
  316.             {
  317.                 curent_line++;
  318.                 if (curent_line>menu_count-1) curent_line = 0; 
  319.                 draw_items();
  320.                 time_left= -1;
  321.                 break;
  322.             }
  323.             case BUTTON_SELECT:
  324.             {
  325.                 selected = true;
  326.                 break;
  327.             }
  328.        
  329.         }
  330.     }
  331.    
  332.  
  333.     line=0;
  334.  
  335.  
  336.     lcd_puts(0, line++, "Rockbox boot loader");
  337.     snprintf(buf, sizeof(buf), "Version: 20%s", version);
  338.     lcd_puts(0, line++, buf);
  339.     snprintf(buf, sizeof(buf), "iriver H10");
  340.     lcd_puts(0, line++, buf);
  341.     lcd_update();
  342.  
  343.     i=ata_init();
  344.     if (i==0) {
  345.       identify_info=ata_get_identify();
  346.       /* Show model */
  347.       for (i=0; i < 20; i++) {
  348.         ((unsigned short*)buf)[i]=htobe16(identify_info[i+27]);
  349.       }
  350.       buf[40]=0;
  351.       for (i=39; i && buf[i]==' '; i--) {
  352.         buf[i]=0;
  353.       }
  354.       lcd_puts(0, line++, buf);
  355.       lcd_update();
  356.     } else {
  357.       snprintf(buf, sizeof(buf), "ATA: %d", i);
  358.       lcd_puts(0, line++, buf);
  359.       lcd_update();
  360.     }
  361.  
  362.     disk_init();
  363.     rc = disk_mount_all();
  364.     if (rc<=0)
  365.     {
  366.         lcd_puts(0, line++, "No partition found");
  367.         lcd_update();
  368.     }
  369.  
  370.     pinfo = disk_partinfo(0);
  371.     snprintf(buf, sizeof(buf), "Partition 0: 0x%02x %ld MB",
  372.                   pinfo->type, pinfo->size / 2048);
  373.     lcd_puts(0, line++, buf);
  374.     lcd_update();
  375.  
  376.     if(curent_line==0)
  377.     {
  378.         lcd_puts(0, line, "Loading Sansa firmware...");
  379.         lcd_update();
  380.         rc=load_iriver(loadbuffer);
  381.     } else {
  382.         lcd_puts(0, line, "Loading Rockbox...");
  383.         lcd_update();
  384.         rc=load_rockbox(loadbuffer);
  385.     }
  386.  
  387.     if (rc < 0) {
  388.             snprintf(buf, sizeof(buf), "Rockbox error: %d",rc);
  389.             lcd_puts(0, line++, buf);
  390.             lcd_update();
  391.             while(1) {}
  392.     }
  393.  
  394.     memcpy((void*)DRAM_START,loadbuffer,rc);
  395.  
  396.     return (void*)DRAM_START;
  397.    
  398. }
  399.  
  400. /* These functions are present in the firmware library, but we reimplement
  401.    them here because the originals do a lot more than we want */
  402.  
  403. void reset_poweroff_timer(void)
  404. {
  405. }
  406.  
  407. int dbg_ports(void)
  408. {
  409.    return 0;
  410. }
  411.  
  412. void mpeg_stop(void)
  413. {
  414. }
  415.  
  416. void usb_acknowledge(void)
  417. {
  418. }
  419.  
  420. void usb_wait_for_disconnect(void)
  421. {
  422. }
  423.  
  424. void sys_poweroff(void)
  425. {
  426. }

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