Move PNX0101 timer code in the target tree

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21554 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -367,6 +367,7 @@ target/arm/s5l8700/i2c-s5l8700.c
 #if CONFIG_CPU == PNX0101
 target/arm/pnx0101/kernel-pnx0101.c
 target/arm/pnx0101/system-pnx0101.c
+target/arm/pnx0101/timer-pnx0101.c
 #endif
 
 #if CONFIG_CPU == AS3525

firmware/export/timer.h

@@ -31,11 +31,9 @@
 #elif defined(CPU_COLDFIRE)
  /* timer is based on busclk == cpuclk/2 */
  #define TIMER_FREQ (CPU_FREQ/2)
-#elif CONFIG_CPU == PNX0101
- #define TIMER_FREQ 3000000
 #elif CONFIG_CPU == S3C2440 || CONFIG_CPU == DM320 || CONFIG_CPU == TCC7801 \
       || defined(CPU_TCC77X) || CONFIG_CPU == AS3525 || CONFIG_CPU == IMX31L \
-      || CONFIG_CPU == JZ4732
+      || CONFIG_CPU == JZ4732 || CONFIG_CPU == PNX0101
  #include "timer-target.h"
 #elif defined(SIMULATOR)
  #define TIMER_FREQ 1000000

firmware/target/arm/pnx0101/timer-pnx0101.c

@@ -0,0 +1,82 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2007 Tomasz Malesinski
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "timer-target.h"
+#include "system.h"
+#include "timer.h"
+
+static long cycles_new = 0;
+
+void TIMER1_ISR(void)
+{
+    if (cycles_new > 0)
+    {
+        TIMER1.load = cycles_new - 1;
+        cycles_new = 0;
+    }
+    if (pfn_timer != NULL)
+    {
+        cycles_new = -1;
+        /* "lock" the variable, in case timer_set_period()
+         * is called within pfn_timer() */
+        pfn_timer();
+        cycles_new = 0;
+    }
+    TIMER1.clr = 1; /* clear the interrupt */
+}
+
+bool __timer_set(long cycles, bool start)
+{
+    if (start)
+    {
+        if (pfn_unregister != NULL)
+        {
+            pfn_unregister();
+            pfn_unregister = NULL;
+        }
+        TIMER1.ctrl &= ~0x80; /* disable the counter */
+        TIMER1.ctrl |= 0x40;  /* reload after counting down to zero */
+        TIMER1.ctrl &= ~0xc;  /* no prescaler */
+        TIMER1.clr = 1;       /* clear an interrupt event */
+    }
+    if (start || (cycles_new == -1)) /* within isr, cycles_new is "locked" */
+    {                                /* enable timer */
+        TIMER1.load = cycles - 1;
+        TIMER1.ctrl |= 0x80;        /* enable the counter */
+    }
+    else
+        cycles_new = cycles;
+
+    return true;
+}
+
+bool __timer_start(void)
+{
+    irq_set_int_handler(IRQ_TIMER1, TIMER1_ISR);
+    irq_enable_int(IRQ_TIMER1);
+    return true;
+}
+
+void __timer_stop(void)
+{
+    TIMER1.ctrl &= ~0x80;  /* disable timer 1 */
+    irq_disable_int(IRQ_TIMER1);
+}

firmware/target/arm/pnx0101/timer-target.h

@@ -0,0 +1,39 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2007 Tomasz Malesinski
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+#ifndef TIMER_TARGET_H
+#define TIMER_TARGET_H
+
+bool __timer_set(long cycles, bool start);
+bool __timer_start(void);
+void __timer_stop(void);
+
+#define TIMER_FREQ 3000000
+
+#define __TIMER_SET(cycles, set) \
+    __timer_set(cycles, set)
+
+#define __TIMER_START() \
+    __timer_start()
+
+#define __TIMER_STOP(...) \
+    __timer_stop()
+
+#endif /* TIMER_TARGET_H */

firmware/timer.c

@@ -31,7 +31,7 @@ void SHAREDBSS_ATTR (*pfn_timer)(void) = NULL;      /* timer callback */
 void SHAREDBSS_ATTR (*pfn_unregister)(void) = NULL; /* unregister callback */
 #ifdef CPU_COLDFIRE
 static int base_prescale;
-#elif defined CPU_PP || CONFIG_CPU == PNX0101
+#elif defined CPU_PP
 static long SHAREDBSS_ATTR cycles_new = 0;
 #endif
 
@@ -78,24 +78,6 @@ void TIMER2(void)
         cycles_new = 0;
     }
 }
-#elif CONFIG_CPU == PNX0101
-void TIMER1_ISR(void)
-{
-    if (cycles_new > 0)
-    {
-        TIMER1.load = cycles_new - 1;
-        cycles_new = 0;
-    }
-    if (pfn_timer != NULL)
-    {
-        cycles_new = -1;
-        /* "lock" the variable, in case timer_set_period()
-         * is called within pfn_timer() */
-        pfn_timer();
-        cycles_new = 0;
-    }
-    TIMER1.clr = 1; /* clear the interrupt */
-}
 #endif /* CONFIG_CPU */
 
 static bool timer_set(long cycles, bool start)
@@ -114,29 +96,7 @@ static bool timer_set(long cycles, bool start)
     }
 #endif
 
-#if CONFIG_CPU == PNX0101
+#if CONFIG_CPU == SH7034
-    if (start)
-    {
-        if (pfn_unregister != NULL)
-        {
-            pfn_unregister();
-            pfn_unregister = NULL;
-        }
-        TIMER1.ctrl &= ~0x80; /* disable the counter */
-        TIMER1.ctrl |= 0x40;  /* reload after counting down to zero */
-        TIMER1.ctrl &= ~0xc;  /* no prescaler */
-        TIMER1.clr = 1;       /* clear an interrupt event */
-    }
-    if (start || (cycles_new == -1)) /* within isr, cycles_new is "locked" */
-    {                                /* enable timer */
-        TIMER1.load = cycles - 1;
-        TIMER1.ctrl |= 0x80;        /* enable the counter */
-    }
-    else
-        cycles_new = cycles;
-
-    return true;
-#elif CONFIG_CPU == SH7034
     if (prescale > 8)
         return false;
 
@@ -282,10 +242,6 @@ bool timer_register(int reg_prio, void (*unregister_callback)(void),
 #endif
         CPU_INT_EN = TIMER2_MASK;
     return true;
-#elif CONFIG_CPU == PNX0101
-    irq_set_int_handler(IRQ_TIMER1, TIMER1_ISR);
-    irq_enable_int(IRQ_TIMER1);
-    return true;
 #else
     return __TIMER_START();
 #endif
@@ -315,9 +271,6 @@ void timer_unregister(void)
     TIMER2_CFG = 0;         /* stop timer 2 */
     CPU_INT_DIS = TIMER2_MASK;
     COP_INT_DIS = TIMER2_MASK;
-#elif CONFIG_CPU == PNX0101
-    TIMER1.ctrl &= ~0x80;  /* disable timer 1 */
-    irq_disable_int(IRQ_TIMER1);
 #else
     __TIMER_STOP();
 #endif