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authorLinus Nielsen Feltzing <linus@haxx.se>2007-03-02 11:28:23 +0000
committerLinus Nielsen Feltzing <linus@haxx.se>2007-03-02 11:28:23 +0000
commitff17905d7ceece9d3a1ec2505b6e18dc7d29b34b (patch)
tree1ed878623d39220f40e00c4a8172cc183ba9aec7 /bootloader
parent9fae76d9394607914049b0187852753ca037b02c (diff)
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H300 bootloader: (Work in progress) Boot Rockbox on RTC alarm, add charging screen, move to a separate source file, backlight is on during USB mode (again)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12546 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'bootloader')
-rw-r--r--bootloader/SOURCES2
-rw-r--r--bootloader/iriver_h300.c393
-rw-r--r--bootloader/main.c29
3 files changed, 415 insertions, 9 deletions
diff --git a/bootloader/SOURCES b/bootloader/SOURCES
index 92a4eb11ce..26356ff5ef 100644
--- a/bootloader/SOURCES
+++ b/bootloader/SOURCES
@@ -10,6 +10,8 @@ main-pp.c
tpj1022.c
#elif defined(IAUDIO_X5)
iaudio_x5.c
+#elif defined(IRIVER_H300_SERIES)
+iriver_h300.c
#else
main.c
#endif
diff --git a/bootloader/iriver_h300.c b/bootloader/iriver_h300.c
new file mode 100644
index 0000000000..b2a667c8bd
--- /dev/null
+++ b/bootloader/iriver_h300.c
@@ -0,0 +1,393 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Linus Nielsen Feltzing
+ *
+ * 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 "inttypes.h"
+#include "string.h"
+#include "cpu.h"
+#include "system.h"
+#include "lcd.h"
+#include "lcd-remote.h"
+#include "kernel.h"
+#include "thread.h"
+#include "ata.h"
+#include "usb.h"
+#include "disk.h"
+#include "font.h"
+#include "adc.h"
+#include "backlight.h"
+#include "backlight-target.h"
+#include "button.h"
+#include "panic.h"
+#include "power.h"
+#include "file.h"
+#include "uda1380.h"
+#include "pcf50606.h"
+#include "common.h"
+#include "rbunicode.h"
+
+#include <stdarg.h>
+
+/* Maximum allowed firmware image size. 10MB is more than enough */
+#define MAX_LOADSIZE (10*1024*1024)
+
+#define DRAM_START 0x31000000
+
+char version[] = APPSVERSION;
+
+/* Reset the cookie for the crt0 crash check */
+inline void __reset_cookie(void)
+{
+ asm(" move.l #0,%d0");
+ asm(" move.l %d0,0x10017ffc");
+}
+
+void start_iriver_fw(void)
+{
+ asm(" move.w #0x2700,%sr");
+ __reset_cookie();
+ asm(" movec.l %d0,%vbr");
+ asm(" move.l 0,%sp");
+ asm(" lea.l 8,%a0");
+ asm(" jmp (%a0)");
+}
+
+void start_firmware(void)
+{
+ asm(" move.w #0x2700,%sr");
+ __reset_cookie();
+ asm(" move.l %0,%%d0" :: "i"(DRAM_START));
+ asm(" movec.l %d0,%vbr");
+ asm(" move.l %0,%%sp" :: "m"(*(int *)DRAM_START));
+ asm(" move.l %0,%%a0" :: "m"(*(int *)(DRAM_START+4)));
+ asm(" jmp (%a0)");
+}
+
+void shutdown(void)
+{
+ printf("Shutting down...");
+
+ /* We need to gracefully spin down the disk to prevent clicks. */
+ if (ide_powered())
+ {
+ /* Make sure ATA has been initialized. */
+ ata_init();
+
+ /* And put the disk into sleep immediately. */
+ ata_sleepnow();
+ }
+
+ sleep(HZ*2);
+
+ __backlight_off();
+ __remote_backlight_off();
+
+ __reset_cookie();
+ power_off();
+}
+
+/* Print the battery voltage (and a warning message). */
+void check_battery(void)
+{
+ int adc_battery, battery_voltage, batt_int, batt_frac;
+
+ adc_battery = adc_read(ADC_BATTERY);
+
+ battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000;
+ batt_int = battery_voltage / 100;
+ batt_frac = battery_voltage % 100;
+
+ printf("Batt: %d.%02dV", batt_int, batt_frac);
+
+ if (battery_voltage <= 310)
+ {
+ printf("WARNING! BATTERY LOW!!");
+ sleep(HZ*2);
+ }
+}
+
+/* From the pcf50606 driver */
+extern unsigned char pcf50606_intregs[3];
+
+/* From common.c */
+extern int line;
+extern int remote_line;
+
+void main(void)
+{
+ int i;
+ int rc;
+ bool rc_on_button = false;
+ bool on_button = false;
+ bool rec_button = false;
+ bool hold_status = false;
+ int data;
+ bool rtc_alarm;
+ int button;
+
+ /* We want to read the buttons as early as possible, before the user
+ releases the ON button */
+
+ /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs
+ (The ON and Hold buttons on the main unit and the remote) */
+ or_l(0x00100062, &GPIO1_FUNCTION);
+ and_l(~0x00100062, &GPIO1_ENABLE);
+
+ data = GPIO1_READ;
+ if ((data & 0x20) == 0)
+ on_button = true;
+
+ if ((data & 0x40) == 0)
+ rc_on_button = true;
+
+ /* Set the default state of the hard drive power to OFF */
+ ide_power_enable(false);
+
+ power_init();
+
+ /* Check the interrupt registers if it was an RTC alarm */
+ rtc_alarm = (pcf50606_intregs[0] & 0x80)?true:false;
+
+ /* Turn off if we believe the start was accidental */
+ if(!(rtc_alarm || on_button || rc_on_button ||
+ usb_detect() || charger_inserted())) {
+ __reset_cookie();
+ power_off();
+ }
+
+ audiohw_reset();
+
+ /* Start with the main backlight OFF. */
+ __backlight_init();
+ __backlight_off();
+
+ __remote_backlight_on();
+
+ system_init();
+ kernel_init();
+
+ /* Set up waitstates for the peripherals */
+ set_cpu_frequency(0); /* PLL off */
+ coldfire_set_pllcr_audio_bits(DEFAULT_PLLCR_AUDIO_BITS);
+ set_irq_level(0);
+
+ adc_init();
+ button_init();
+
+ if ((on_button && button_hold()) ||
+ (rc_on_button && remote_button_hold()))
+ {
+ hold_status = true;
+ }
+
+ backlight_init();
+
+ lcd_init();
+ lcd_remote_init();
+ font_init();
+
+ lcd_setfont(FONT_SYSFIXED);
+
+ printf("Rockbox boot loader");
+ printf("Version %s", version);
+
+ sleep(HZ/50); /* Allow the button driver to check the buttons */
+ rec_button = ((button_status() & BUTTON_REC) == BUTTON_REC)
+ || ((button_status() & BUTTON_RC_REC) == BUTTON_RC_REC);
+
+ check_battery();
+
+ /* Don't start if the Hold button is active on the device you
+ are starting with */
+ if (!usb_detect() && !charger_inserted() && hold_status)
+ {
+ if (detect_original_firmware())
+ {
+ printf("Hold switch on");
+ shutdown();
+ }
+ }
+
+ if(rtc_alarm)
+ printf("RTC alarm detected");
+
+ /* Holding REC while starting runs the original firmware */
+ if (detect_original_firmware() && rec_button)
+ {
+ printf("Starting original firmware...");
+ start_iriver_fw();
+ }
+
+ if(charger_inserted())
+ {
+ const char charging_msg[] = "Charging...";
+ const char complete_msg[] = "Charging complete";
+ const char *msg;
+ int w, h;
+ bool blink_toggle = false;
+ bool request_start = false;
+
+ while(charger_inserted() && !request_start)
+ {
+ button = button_get_w_tmo(HZ);
+
+ switch(button)
+ {
+ case BUTTON_ON:
+ request_start = true;
+ break;
+
+ case BUTTON_NONE: /* Timeout */
+
+ if(charging_state())
+ {
+ /* To be replaced with a nice animation */
+ blink_toggle = !blink_toggle;
+ msg = charging_msg;
+ }
+ else
+ {
+ blink_toggle = true;
+ msg = complete_msg;
+ }
+
+ font_getstringsize(msg, &w, &h, FONT_SYSFIXED);
+ reset_screen();
+ if(blink_toggle)
+ lcd_putsxy((LCD_WIDTH-w)/2, (LCD_HEIGHT-h)/2, msg);
+
+ check_battery();
+ break;
+ }
+
+ if(usb_detect())
+ request_start = true;
+ }
+ if(!request_start)
+ {
+ __reset_cookie();
+ power_off();
+ }
+ }
+
+ usb_init();
+
+ /* A hack to enter USB mode without using the USB thread */
+ if(usb_detect())
+ {
+ const char msg[] = "Bootloader USB mode";
+ int w, h;
+ font_getstringsize(msg, &w, &h, FONT_SYSFIXED);
+ reset_screen();
+ lcd_putsxy((LCD_WIDTH-w)/2, (LCD_HEIGHT-h)/2, msg);
+ lcd_update();
+
+ lcd_remote_puts(0, 3, msg);
+ lcd_remote_update();
+
+ ide_power_enable(true);
+ ata_enable(false);
+ sleep(HZ/20);
+ usb_enable(true);
+ cpu_idle_mode(true);
+ while (usb_detect())
+ {
+ /* Print the battery status. */
+ line = 0;
+ remote_line = 0;
+ check_battery();
+
+ ata_spin(); /* Prevent the drive from spinning down */
+ sleep(HZ);
+ }
+
+ cpu_idle_mode(false);
+ usb_enable(false);
+
+ reset_screen();
+ lcd_update();
+ }
+
+ rc = ata_init();
+ if(rc)
+ {
+ reset_screen();
+ printf("ATA error: %d", rc);
+ printf("Insert USB cable and press");
+ printf("a button");
+ while(!(button_get(true) & BUTTON_REL));
+ }
+
+
+ disk_init();
+
+ rc = disk_mount_all();
+ if (rc<=0)
+ {
+ reset_screen();
+ printf("No partition found");
+ while(button_get(true) != SYS_USB_CONNECTED) {};
+ }
+
+ printf("Loading firmware");
+ i = load_firmware((unsigned char *)DRAM_START, BOOTFILE, MAX_LOADSIZE);
+ if(i < 0)
+ printf("Error: %d", strerror(i));
+
+ if (i == EOK)
+ start_firmware();
+
+ if (!detect_original_firmware())
+ {
+ printf("No firmware found on disk");
+ sleep(HZ*2);
+ shutdown();
+ }
+ else {
+ sleep(HZ*2);
+ start_iriver_fw();
+ }
+}
+
+/* These functions are present in the firmware library, but we reimplement
+ them here because the originals do a lot more than we want */
+void screen_dump(void)
+{
+}
+
+int usb_screen(void)
+{
+ return 0;
+}
+
+unsigned short *bidi_l2v(const unsigned char *str, int orientation)
+{
+ static unsigned short utf16_buf[SCROLL_LINE_SIZE];
+ unsigned short *target;
+ (void)orientation;
+
+ target = utf16_buf;
+
+ while (*str)
+ str = utf8decode(str, target++);
+ *target = 0;
+ return utf16_buf;
+}
diff --git a/bootloader/main.c b/bootloader/main.c
index 1b6ccc7aeb..a9411a766d 100644
--- a/bootloader/main.c
+++ b/bootloader/main.c
@@ -56,11 +56,6 @@
static bool recovery_mode = false;
#endif
-int usb_screen(void)
-{
- return 0;
-}
-
char version[] = APPSVERSION;
/* Reset the cookie for the crt0 crash check */
@@ -434,9 +429,7 @@ void main(void)
hold_status = true;
}
- /* Power on the hard drive early, to speed up the loading.
- Some H300 don't like this, so we only do it for the H100 */
-#ifndef IRIVER_H300_SERIES
+ /* Power on the hard drive early, to speed up the loading. */
if (!hold_status
# ifdef HAVE_EEPROM_SETTINGS
&& !recovery_mode
@@ -450,7 +443,6 @@ void main(void)
if (!hold_status && !usb_detect() && !recovery_mode)
try_flashboot();
# endif
-#endif
backlight_init();
#ifdef HAVE_UDA1380
@@ -596,3 +588,22 @@ void main(void)
void screen_dump(void)
{
}
+
+int usb_screen(void)
+{
+ return 0;
+}
+
+unsigned short *bidi_l2v(const unsigned char *str, int orientation)
+{
+ static unsigned short utf16_buf[SCROLL_LINE_SIZE];
+ unsigned short *target;
+ (void)orientation;
+
+ target = utf16_buf;
+
+ while (*str)
+ str = utf8decode(str, target++);
+ *target = 0;
+ return utf16_buf;
+}