2 files changed, 357 insertions, 0 deletions

diff --git a/bootloader/SOURCES b/bootloader/SOURCES
index 0c9aa8ba2f..8c3a9b8ee4 100644
--- a/bootloader/SOURCES
+++ b/bootloader/SOURCES
@@ -1,5 +1,9 @@
 #if (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
 ipod.c
+#elif defined(SANSA_E200)
+e200.c
+#elif defined(IRIVER_H10)
+h10.c
 #else
 main.c
 #endif
diff --git a/bootloader/e200.c b/bootloader/e200.c
new file mode 100644
index 0000000000..2cf78942a2
--- /dev/null
+++ b/bootloader/e200.c
@@ -0,0 +1,353 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Dave Chapman
+ *
+ * Based on ipod.c by Dave Chapman
+ * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
+ * and the ipodlinux bootloader by Daniel Palffy and Bernard Leach
+ * 
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "cpu.h"
+#include "system.h"
+#include "lcd.h"
+#include "kernel.h"
+#include "thread.h"
+#include "ata.h"
+#include "fat.h"
+#include "disk.h"
+#include "font.h"
+#include "adc.h"
+#include "backlight.h"
+#include "panic.h"
+#include "power.h"
+#include "file.h"
+
+#define XSC(X) #X
+#define SC(X) XSC(X)
+
+#define DRAM_START              0x10000000
+
+#define BUTTON_LEFT  1
+#define BUTTON_MENU  2
+#define BUTTON_RIGHT 3
+#define BUTTON_PLAY  4
+#define BUTTON_HOLD  5
+
+/* Size of the buffer to store the loaded Rockbox/Linux image */
+#define MAX_LOADSIZE (4*1024*1024)
+
+char version[] = APPSVERSION;
+
+typedef struct _image {
+    unsigned type;              /* '' */
+    unsigned id;                /* */
+    unsigned pad1;              /* 0000 0000 */
+    unsigned devOffset;         /* byte offset of start of image code */
+    unsigned len;               /* length in bytes of image */
+    void    *addr;              /* load address */
+    unsigned entryOffset;       /* execution start within image */
+    unsigned chksum;            /* checksum for image */
+    unsigned vers;              /* image version */
+    unsigned loadAddr;          /* load address for image */
+} image_t;
+
+extern image_t boot_table[];
+
+int line=0;
+
+static void memmove16(void *dest, const void *src, unsigned count)
+{
+    struct bufstr {
+        unsigned _buf[4];
+    } *d, *s;
+
+    if (src >= dest) {
+        count = (count + 15) >> 4;
+        d = (struct bufstr *) dest;
+        s = (struct bufstr *) src;
+        while (count--)
+            *d++ = *s++;
+    } else {
+        count = (count + 15) >> 4;
+        d = (struct bufstr *)(dest + (count <<4));
+        s = (struct bufstr *)(src + (count <<4));
+        while (count--)
+            *--d = *--s;
+    }
+}
+
+#if CONFIG_KEYPAD == IPOD_4G_PAD && !defined(IPOD_MINI)
+/* check if number of seconds has past */
+int timer_check(int clock_start, unsigned int usecs)
+{
+    if ((USEC_TIMER - clock_start) >= usecs) {
+        return 1;
+    } else {
+        return 0;
+    }
+}
+
+static void ser_opto_keypad_cfg(int val)
+{
+    int start_time;
+
+    outl(inl(0x6000d004) & ~0x80, 0x6000d004);
+
+    outl(inl(0x7000c104) | 0xc000000, 0x7000c104);
+    outl(val, 0x7000c120);
+    outl(inl(0x7000c100) | 0x80000000, 0x7000c100);
+
+    outl(inl(0x6000d024) & ~0x10, 0x6000d024);
+    outl(inl(0x6000d014) | 0x10, 0x6000d014);
+
+    start_time = USEC_TIMER;
+    do {
+        if ((inl(0x7000c104) & 0x80000000) == 0) {
+            break;
+        }
+    } while (timer_check(start_time, 1500) != 0);
+
+    outl(inl(0x7000c100) & ~0x80000000, 0x7000c100);
+
+    outl(inl(0x6000d004) | 0x80, 0x6000d004);
+    outl(inl(0x6000d024) | 0x10, 0x6000d024);
+    outl(inl(0x6000d014) & ~0x10, 0x6000d014);
+
+    outl(inl(0x7000c104) | 0xc000000, 0x7000c104);
+    outl(inl(0x7000c100) | 0x60000000, 0x7000c100);
+}
+
+int opto_keypad_read(void)
+{
+    int loop_cnt, had_io = 0;
+
+    for (loop_cnt = 5; loop_cnt != 0;)
+    {
+        int key_pressed = 0;
+        int start_time;
+        unsigned int key_pad_val;
+
+        ser_opto_keypad_cfg(0x8000023a);
+
+        start_time = USEC_TIMER;
+        do {
+            if (inl(0x7000c104) & 0x4000000) {
+                had_io = 1;
+                break;
+            }
+
+            if (had_io != 0) {
+                break;
+            }
+        } while (timer_check(start_time, 1500) != 0);
+
+        key_pad_val = inl(0x7000c140);
+        if ((key_pad_val & ~0x7fff0000) != 0x8000023a) {
+            loop_cnt--;
+        } else {
+            key_pad_val = (key_pad_val << 11) >> 27;
+            key_pressed = 1;
+        }
+
+        outl(inl(0x7000c100) | 0x60000000, 0x7000c100);
+        outl(inl(0x7000c104) | 0xc000000, 0x7000c104);
+
+        if (key_pressed != 0) {
+            return key_pad_val ^ 0x1f;
+        }
+    }
+
+    return 0;
+}
+#endif
+
+static int key_pressed(void)
+{
+    unsigned char state;
+
+#if CONFIG_KEYPAD == IPOD_4G_PAD
+#ifdef IPOD_MINI /* mini 1G only */
+    state = GPIOA_INPUT_VAL & 0x3f;
+    if ((state & 0x10) == 0) return BUTTON_LEFT;
+    if ((state & 0x2) == 0) return BUTTON_MENU;
+    if ((state & 0x4) == 0) return BUTTON_PLAY;
+    if ((state & 0x8) == 0) return BUTTON_RIGHT;
+#else
+    state = opto_keypad_read();
+    if ((state & 0x4) == 0) return BUTTON_LEFT;
+    if ((state & 0x10) == 0) return BUTTON_MENU;
+    if ((state & 0x8) == 0) return BUTTON_PLAY;
+    if ((state & 0x2) == 0) return BUTTON_RIGHT;
+#endif
+#elif CONFIG_KEYPAD == IPOD_3G_PAD
+    state = inb(0xcf000030);
+    if (((state & 0x20) == 0)) return BUTTON_HOLD; /* hold on */
+    if ((state & 0x08) == 0) return BUTTON_LEFT;
+    if ((state & 0x10) == 0) return BUTTON_MENU;
+    if ((state & 0x04) == 0) return BUTTON_PLAY;
+    if ((state & 0x01) == 0) return BUTTON_RIGHT;
+#endif
+    return 0;
+}
+
+int load_rockbox(unsigned char* buf)
+{
+    int fd;
+    int rc;
+    int len;
+    unsigned long chksum;
+    char model[5];
+    unsigned long sum;
+    int i;
+    char str[80];
+    
+    fd = open("/.rockbox/" BOOTFILE, O_RDONLY);
+    if(fd < 0)
+    {
+        fd = open("/" BOOTFILE, O_RDONLY);
+        if(fd < 0)
+            return -1;
+    }
+
+    len = filesize(fd) - 8;
+
+    if (len > MAX_LOADSIZE)
+        return -6;
+
+    lseek(fd, FIRMWARE_OFFSET_FILE_CRC, SEEK_SET);
+    
+    rc = read(fd, &chksum, 4);
+    chksum=betoh32(chksum); /* Rockbox checksums are big-endian */
+    if(rc < 4)
+        return -2;
+
+    rc = read(fd, model, 4);
+    if(rc < 4)
+        return -3;
+
+    model[4] = 0;
+    
+    snprintf(str, 80, "Model: %s", model);
+    lcd_puts(0, line++, str);
+    snprintf(str, 80, "Checksum: %x", chksum);
+    lcd_puts(0, line++, str);
+    lcd_update();
+
+    lseek(fd, FIRMWARE_OFFSET_FILE_DATA, SEEK_SET);
+
+    rc = read(fd, buf, len);
+    if(rc < len)
+        return -4;
+
+    close(fd);
+
+    sum = MODEL_NUMBER;
+    
+    for(i = 0;i < len;i++) {
+        sum += buf[i];
+    }
+
+    snprintf(str, 80, "Sum: %x", sum);
+    lcd_puts(0, line++, str);
+    lcd_update();
+
+    if(sum != chksum)
+    return -5;
+
+    return len;
+}
+
+
+/* A buffer to load the Linux kernel or Rockbox into */
+unsigned char loadbuffer[MAX_LOADSIZE];
+
+void* main(void)
+{
+    char buf[256];
+    int imageno=0;
+    int i;
+    int rc;
+    int padding = 0x4400;
+    image_t *tblp = boot_table;
+    void* entry;
+    struct partinfo* pinfo;
+    unsigned short* identify_info;
+
+    /* Turn on the backlight */
+
+#if CONFIG_BACKLIGHT==BL_IPOD4G
+    /* brightness full */
+    outl(0x80000000 | (0xff << 16), 0x7000a010);
+
+    /* set port B03 on */
+    outl(((0x100 | 1) << 3), 0x6000d824);
+
+#elif CONFIG_BACKLIGHT==BL_IPODMINI
+    /* set port B03 on */
+    outl(((0x100 | 1) << 3), 0x6000d824);
+
+#elif CONFIG_BACKLIGHT==BL_IPODNANO
+
+    /* set port B03 on */
+    outl(((0x100 | 1) << 3), 0x6000d824);
+
+    /* set port L07 on */
+    outl(((0x100 | 1) << 7), 0x6000d12c);
+#elif CONFIG_BACKLIGHT==BL_IPOD3G
+    outl(inl(IPOD_LCD_BASE) | 0x2, IPOD_LCD_BASE);
+#endif
+
+    /* Return the start address in loaded image */
+    return entry;
+}
+
+/* These functions are present in the firmware library, but we reimplement
+   them here because the originals do a lot more than we want */
+
+void reset_poweroff_timer(void)
+{
+}
+
+int dbg_ports(void)
+{
+   return 0;
+}
+
+void mpeg_stop(void)
+{
+}
+
+void usb_acknowledge(void)
+{
+}
+
+void usb_wait_for_disconnect(void)
+{
+}
+
+void sys_poweroff(void)
+{
+}
+
+void system_reboot(void)
+{
+
+}