forked from len0rd/rockbox
Patch #5731 by Barry Wardell: more iriver h10 work. Thanks!
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10521 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Hristo Kovachev
parent
2c3fd0ce7e
commit
9dc0e62229
15 changed files with 367 additions and 110 deletions
262
bootloader/h10.c
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262
bootloader/h10.c
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2006 by Barry Wardell
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*
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* Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
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* and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "cpu.h"
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#include "system.h"
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#include "lcd.h"
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#include "kernel.h"
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#include "thread.h"
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#include "ata.h"
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#include "fat.h"
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#include "disk.h"
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#include "font.h"
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#include "adc.h"
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#include "backlight.h"
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#include "button.h"
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#include "panic.h"
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#include "power.h"
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#include "file.h"
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/* Size of the buffer to store the loaded Rockbox/iriver image */
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#define MAX_LOADSIZE (5*1024*1024)
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/* This is identical to the function used in the iPod bootloader */
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static void memmove16(void *dest, const void *src, unsigned count)
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{
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struct bufstr {
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unsigned _buf[4];
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} *d, *s;
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if (src >= dest) {
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count = (count + 15) >> 4;
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d = (struct bufstr *) dest;
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s = (struct bufstr *) src;
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while (count--)
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*d++ = *s++;
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} else {
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count = (count + 15) >> 4;
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d = (struct bufstr *)(dest + (count <<4));
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s = (struct bufstr *)(src + (count <<4));
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while (count--)
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*--d = *--s;
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}
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}
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/* Load original iriver firmware. This function expects a file called "H10_20GC.mi4" in
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the root directory of the player. It should be decrypted and have the header stripped
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using mi4code. It reads the file in to a memory buffer called buf. The rest of the
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loading is done in main()
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*/
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int load_iriver(unsigned char* buf)
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{
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int fd;
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int rc;
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int len;
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fd = open("/H10_20GC.mi4", O_RDONLY);
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len = filesize(fd);
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rc = read(fd, buf, len);
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if(rc < len)
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return -4;
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close(fd);
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return len;
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}
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/* A buffer to load the iriver firmware or Rockbox into */
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unsigned char loadbuffer[MAX_LOADSIZE];
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void main(void)
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{
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/* Attempt to load original iriver firmware. Successfully starts loading the iriver
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firmware but then locks up once the "System Initialising" screen is displayed.
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The iriver firmware was decrypted and the header removed. It was then appended to
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the end of bootloader.bin and an mi4 file was created from the resulting file.
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The original firmware starts at 0xd800 in the file and is of length 0x47da00.
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The whole file (bootloader.bin + decrypted mi4) are loaded to memory by the
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original iriver bootloader on startup. This copies the mi4 part to the start
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of DRAM and passes execution to there.
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memmove16((void*)DRAMORIG, (void*)(DRAMORIG + 0xd800), 0x47da00);
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asm volatile(
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"mov r0, #" SC(DRAMORIG) "\n"
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"mov pc, r0 \n"
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);
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*/
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int i;
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int rc;
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int btn;
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i=ata_init();
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disk_init();
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rc = disk_mount_all();
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/* Load original iriver firmware. Uses load_iriver(buf) to load the decrypted mi4 file from
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disk to DRAM. This then copies that part of DRAM to the start of DRAM and passes
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execution to there.
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rc=load_iriver(loadbuffer);
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memcpy((void*)DRAMORIG,loadbuffer,rc);
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asm volatile(
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"mov r0, #" SC(DRAMORIG) "\n"
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"mov pc, r0 \n"
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);*/
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/* This assumes that /test.txt exists */
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int fd;
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char buffer[24];
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fd=open("/test.txt",O_RDWR);
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/* WARNING: Running this code on the H10 caused permanent damage to my H10's hdd
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I strongly recommend against trying it.
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for(i=0;i<100;i++){
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btn = button_read_device();
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switch(btn){
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case BUTTON_LEFT:
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snprintf(buffer, sizeof(buffer), "Left");
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write(fd,buffer,sizeof(buffer));
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break;
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case BUTTON_RIGHT:
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break;
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case BUTTON_REW:
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break;
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case BUTTON_FF:
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break;
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case BUTTON_PLAY:
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break;
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default:
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break;
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}
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}
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*/
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/* Investigate gpio
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unsigned int gpio_a, gpio_b, gpio_c, gpio_d;
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unsigned int gpio_e, gpio_f, gpio_g, gpio_h;
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unsigned int gpio_i, gpio_j, gpio_k, gpio_l;
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gpio_a = GPIOA_INPUT_VAL;
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gpio_b = GPIOB_INPUT_VAL;
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gpio_c = GPIOC_INPUT_VAL;
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gpio_g = GPIOG_INPUT_VAL;
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gpio_h = GPIOH_INPUT_VAL;
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gpio_i = GPIOI_INPUT_VAL;
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snprintf(buffer, sizeof(buffer), "GPIO_A: %02x GPIO_G: %02x\n", gpio_a, gpio_g);
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write(fd,buffer,sizeof(buffer));
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snprintf(buffer, sizeof(buffer), "GPIO_B: %02x GPIO_H: %02x\n", gpio_b, gpio_h);
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write(fd,buffer,sizeof(buffer));
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snprintf(buffer, sizeof(buffer), "GPIO_C: %02x GPIO_I: %02x\n", gpio_c, gpio_i);
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write(fd,buffer,sizeof(buffer));
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gpio_d = GPIOD_INPUT_VAL;
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gpio_e = GPIOE_INPUT_VAL;
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gpio_f = GPIOF_INPUT_VAL;
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gpio_j = GPIOJ_INPUT_VAL;
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gpio_k = GPIOK_INPUT_VAL;
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gpio_l = GPIOL_INPUT_VAL;
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snprintf(buffer, sizeof(buffer), "GPIO_D: %02x GPIO_J: %02x\n", gpio_d, gpio_j);
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write(fd,buffer,sizeof(buffer));
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snprintf(buffer, sizeof(buffer), "GPIO_E: %02x GPIO_K: %02x\n", gpio_e, gpio_k);
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write(fd,buffer,sizeof(buffer));
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snprintf(buffer, sizeof(buffer), "GPIO_F: %02x GPIO_L: %02x\n", gpio_f, gpio_l);
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write(fd,buffer,sizeof(buffer));
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*/
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/* Detect the scroller being touched
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int j = 0;
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for(j=0;j<1000;j++){
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if(gpio_c!=0xF7){
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snprintf(buffer, sizeof(buffer), "GPIO_C: %02x\n", gpio_c);
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write(fd,buffer,sizeof(buffer));
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}
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if(gpio_d!=0xDD){
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snprintf(buffer, sizeof(buffer), "GPIO_D: %02x\n", gpio_d);
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write(fd,buffer,sizeof(buffer));
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}
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}*/
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/* Apparently necessary for the data to be actually written to file */
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fsync(fd);
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udelay(1000000);
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/* This causes the device to shut off instantly
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GPIOF_OUTPUT_VAL = 0;
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*/
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close(fd);
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udelay(1000000);
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}
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/* These functions are present in the firmware library, but we reimplement
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them here because the originals do a lot more than we want */
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void reset_poweroff_timer(void)
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{
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}
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int dbg_ports(void)
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{
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return 0;
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}
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void mpeg_stop(void)
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{
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}
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void usb_acknowledge(void)
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{
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}
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void usb_wait_for_disconnect(void)
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{
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}
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void sys_poweroff(void)
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{
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}
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