[Blackfin]PATCH-1/2]: Remove obsolete blackfin port and add bf533 platform support
diff --git a/cpu/bf533/interrupts.c b/cpu/bf533/interrupts.c
index df1a25e..9317f26 100644
--- a/cpu/bf533/interrupts.c
+++ b/cpu/bf533/interrupts.c
@@ -10,7 +10,7 @@
* Copyright 2002 Arcturus Networks Inc. MaTed <mated@sympatico.ca>
* Copyright 2003 Metrowerks/Motorola
* Copyright 2003 Bas Vermeulen <bas@buyways.nl>,
- * BuyWays B.V. (www.buyways.nl)
+ * BuyWays B.V. (www.buyways.nl)
*
* (C) Copyright 2000-2004
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -37,14 +37,15 @@
#include <common.h>
#include <asm/machdep.h>
#include <asm/irq.h>
-#include <asm/cpu/defBF533.h>
+#include <config.h>
+#include <asm/blackfin.h>
#include "cpu.h"
static ulong timestamp;
static ulong last_time;
static int int_flag;
-int irq_flags; /* needed by asm-blackfin/system.h */
+int irq_flags; /* needed by asm-blackfin/system.h */
/* Functions just to satisfy the linker */
@@ -61,7 +62,7 @@
* This function is derived from PowerPC code (timebase clock frequency).
* On BF533 it returns the number of timer ticks per second.
*/
-ulong get_tbclk (void)
+ulong get_tbclk(void)
{
ulong tbclk;
@@ -91,22 +92,22 @@
unsigned long cclk;
cclk = (CONFIG_CCLK_HZ);
- while ( usec > 1 ) {
- /*
- * how many clock ticks to delay?
- * - request(in useconds) * clock_ticks(Hz) / useconds/second
- */
+ while (usec > 1) {
+ /*
+ * how many clock ticks to delay?
+ * - request(in useconds) * clock_ticks(Hz) / useconds/second
+ */
if (usec < 1000) {
- delay = (usec * (cclk/244)) >> 12 ;
+ delay = (usec * (cclk / 244)) >> 12;
usec = 0;
} else {
- delay = (1000 * (cclk/244)) >> 12 ;
+ delay = (1000 * (cclk / 244)) >> 12;
usec -= 1000;
}
- asm volatile (" %0 = CYCLES;": "=g"(start));
+ asm volatile (" %0 = CYCLES;":"=r" (start));
do {
- asm volatile (" %0 = CYCLES; ": "=g"(stop));
+ asm volatile (" %0 = CYCLES; ":"=r" (stop));
} while (stop - start < delay);
}
@@ -117,7 +118,7 @@
{
*pTCNTL = 0x1;
*pTSCALE = 0x0;
- *pTCOUNT = MAX_TIM_LOAD;
+ *pTCOUNT = MAX_TIM_LOAD;
*pTPERIOD = MAX_TIM_LOAD;
*pTCNTL = 0x7;
asm("CSYNC;");
@@ -146,20 +147,23 @@
/* Number of clocks elapsed */
ulong clocks = (MAX_TIM_LOAD - (*pTCOUNT));
- /* Find if the TCOUNT is reset
- timestamp gives the number of times
- TCOUNT got reset */
- if(clocks < last_time)
+ /**
+ * Find if the TCOUNT is reset
+ * timestamp gives the number of times
+ * TCOUNT got reset
+ */
+ if (clocks < last_time)
timestamp++;
last_time = clocks;
/* Get the number of milliseconds */
- milisec = clocks/(CONFIG_CCLK_HZ / 1000);
+ milisec = clocks / (CONFIG_CCLK_HZ / 1000);
- /* Find the number of millisonds
- that got elapsed before this TCOUNT
- cycle */
- milisec += timestamp * (MAX_TIM_LOAD/(CONFIG_CCLK_HZ / 1000));
+ /**
+ * Find the number of millisonds
+ * that got elapsed before this TCOUNT cycle
+ */
+ milisec += timestamp * (MAX_TIM_LOAD / (CONFIG_CCLK_HZ / 1000));
return (milisec - base);
}