8 files changed, 35 insertions, 9 deletions

diff --git a/firmware/crt0.S b/firmware/crt0.S
index df2ff5884d..9dad41944a 100644
--- a/firmware/crt0.S
+++ b/firmware/crt0.S
@@ -197,12 +197,13 @@ start_loc:
     /* execute the loader - this will load an image to 0x10000000 */
     bl     main
 
+    /* The loader only returns if it is loading the Apple firmware or Linux -
+       the following code isn't executed when starting Rockbox */
+
     /* save the startup address for the COP */
     ldr    r1, =startup_loc
     str    r0, [r1]
 
-#if 0
-/* TODO: fix something for the COP to wake up to, until then let it sleep. */
 #if CONFIG_CPU==PP5002
     /* make sure COP is sleeping */
     ldr    r4, =0xcf004050
@@ -227,8 +228,7 @@ start_loc:
     @ldr    r4, =PP5020_COP_CTRL
     mov    r3, #0x0
     str    r3, [r4]
-#endif 
-#endif 
+#endif
     /* jump to start location */
     mov    pc, r0
 
diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index 04168f9895..141d985ee6 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -262,8 +262,10 @@ void power_off(void)
 #if CONFIG_CPU == MCF5249
     and_l(~0x00080000, &GPIO1_OUT);
 #elif CONFIG_CPU == PP5020
+#ifndef BOOTLOADER
     /* We don't turn off the ipod, we put it in a deep sleep */
     pcf50605_standby_mode();
+#endif
 #elif defined(GMINI_ARCH)
     P1 &= ~1;
     P1CON &= ~1;
diff --git a/firmware/export/config-ipodcolor.h b/firmware/export/config-ipodcolor.h
index 6de461f952..778055f3d7 100644
--- a/firmware/export/config-ipodcolor.h
+++ b/firmware/export/config-ipodcolor.h
@@ -27,7 +27,9 @@
 #define CONFIG_CODEC SWCODEC
 
 /* define this if you have a real-time clock */
+#ifndef BOOTLOADER
 #define CONFIG_RTC RTC_PCF50605
+#endif
 
 /* Define this if you have a software controlled poweroff */
 #define HAVE_SW_POWEROFF
diff --git a/firmware/export/config-ipodnano.h b/firmware/export/config-ipodnano.h
index bf7362a168..86cc279bb8 100644
--- a/firmware/export/config-ipodnano.h
+++ b/firmware/export/config-ipodnano.h
@@ -27,7 +27,9 @@
 #define CONFIG_CODEC SWCODEC
 
 /* define this if you have a real-time clock */
+#ifndef BOOTLOADER
 #define CONFIG_RTC RTC_PCF50605
+#endif
 
 /* Define this if you have a software controlled poweroff */
 #define HAVE_SW_POWEROFF
diff --git a/firmware/export/config-ipodvideo.h b/firmware/export/config-ipodvideo.h
index 3c3f403983..e06e999e1c 100644
--- a/firmware/export/config-ipodvideo.h
+++ b/firmware/export/config-ipodvideo.h
@@ -27,7 +27,9 @@
 #define CONFIG_CODEC SWCODEC
 
 /* define this if you have a real-time clock */
+#ifndef BOOTLOADER
 #define CONFIG_RTC RTC_PCF50605
+#endif
 
 /* Define this if you have a software controlled poweroff */
 #define HAVE_SW_POWEROFF
diff --git a/firmware/export/kernel.h b/firmware/export/kernel.h
index 23c7bc7cb1..42d160bcea 100644
--- a/firmware/export/kernel.h
+++ b/firmware/export/kernel.h
@@ -66,7 +66,13 @@ struct mutex
 };
 
 /* global tick variable */
+#if (CONFIG_CPU == PP5020) && defined(BOOTLOADER)
+/* We don't enable interrupts in the iPod bootloader, so we need to fake
+   the current_tick variable */
+#define current_tick ((*((volatile long*)0x60005010))/10000)
+#else
 extern long current_tick;
+#endif
 
 #ifdef SIMULATOR
 #define sleep(x) sim_sleep(x)
diff --git a/firmware/kernel.c b/firmware/kernel.c
index 6166437282..a353c4bdc9 100644
--- a/firmware/kernel.c
+++ b/firmware/kernel.c
@@ -25,7 +25,9 @@
 #include "system.h"
 #include "panic.h"
 
+#if (CONFIG_CPU != PP5020) || !defined(BOOTLOADER)
 long current_tick = 0;
+#endif
 
 static void (*tick_funcs[MAX_NUM_TICK_TASKS])(void);
 
@@ -48,7 +50,7 @@ void kernel_init(void)
 
     num_queues = 0;
     memset(all_queues, 0, sizeof(all_queues));
-    
+
     tick_start(1000/HZ);
 }
 
@@ -319,6 +321,7 @@ void tick_start(unsigned int interval_in_ms)
 
 #define USECS_PER_INT 0x2710
 
+#ifndef BOOTLOADER
 void TIMER1(void)
 {
     int i;
@@ -336,9 +339,11 @@ void TIMER1(void)
     current_tick++;
     wake_up_thread();
 }
+#endif
 
 void tick_start(unsigned int interval_in_ms)
 {
+#ifndef BOOTLOADER
     /* TODO: use interval_in_ms to set timer periode */
     (void)interval_in_ms;
     PP5020_TIMER1 = 0x0;
@@ -347,6 +352,10 @@ void tick_start(unsigned int interval_in_ms)
     PP5020_TIMER1 = 0xc0000000 | USECS_PER_INT;
     /* unmask interrupt source */
     PP5020_CPU_INT_EN = PP5020_TIMER1_MASK;
+#else
+    /* We don't enable interrupts in the bootloader */
+    (void)interval_in_ms;
+#endif
 }
 
 #endif
diff --git a/firmware/system.c b/firmware/system.c
index 0015b3a55d..7afa3f720e 100644
--- a/firmware/system.c
+++ b/firmware/system.c
@@ -1106,6 +1106,7 @@ int system_memory_guard(int newmode)
 }
 #elif CONFIG_CPU==PP5020
 
+#ifndef BOOTLOADER
 extern void TIMER1(void);
 extern void ipod_4g_button_int(void);
 
@@ -1116,6 +1117,7 @@ void irq(void)
     else if (PP5020_CPU_HI_INT_STAT & PP5020_I2C_MASK)
         ipod_4g_button_int();
 }
+#endif
 
 /* TODO: The following two function have been lifted straight from IPL, and
    hence have a lot of numeric addresses used straight. I'd like to use
@@ -1124,11 +1126,10 @@ void irq(void)
    to extend the funtions to do alternate cache configurations and/or 
    some other CPU frequency scaling. */
 
+#ifndef BOOTLOADER
 static void ipod_init_cache(void)
 {
-/* Initialising the cache in the iPod Video bootloader prevents
-   Rockbox from starting */
-#if !defined(BOOTLOADER) || !defined(APPLE_IPODVIDEO)
+/* Initialising the cache in the iPod bootloader prevents Rockbox from starting */
     unsigned i;
 
     /* cache init mode? */
@@ -1147,7 +1148,6 @@ static void ipod_init_cache(void)
 
     for (i = 0x10000000; i < 0x10002000; i += 16)
         inb(i);
-#endif
 }
     
 static void ipod_set_cpu_speed(void)
@@ -1163,9 +1163,11 @@ static void ipod_set_cpu_speed(void)
 
     outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
 }
+#endif
 
 void system_init(void)
 {
+#ifndef BOOTLOADER
     /* disable all irqs */
     outl(-1, 0x60001138);
     outl(-1, 0x60001128);
@@ -1176,6 +1178,7 @@ void system_init(void)
     outl(-1, 0x6000101c);
     ipod_set_cpu_speed();
     ipod_init_cache();
+#endif
 }
 
 void system_reboot(void)