Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagn...@jcrosoft.com>
---
applied to arm/testing
Best Regards,
J.
cpu/arm720t/Makefile | 4 +-
cpu/arm720t/s3c4510b/Makefile | 1 +
cpu/arm720t/s3c4510b/interrupts.c | 85 +++++++++++++++++++++++++++++++++
cpu/arm720t/{interrupts.c => timer.c} | 74 ++++-------------------------
4 files changed, 98 insertions(+), 66 deletions(-)
create mode 100644 cpu/arm720t/s3c4510b/interrupts.c
rename cpu/arm720t/{interrupts.c => timer.c} (78%)
diff --git a/cpu/arm720t/Makefile b/cpu/arm720t/Makefile
index d5ac7d3..3e9b45a 100644
--- a/cpu/arm720t/Makefile
+++ b/cpu/arm720t/Makefile
@@ -26,7 +26,9 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(CPU).a
START = start.o
-COBJS = interrupts.o cpu.o
+
+COBJS += cpu.o
+COBJS += timer.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
diff --git a/cpu/arm720t/s3c4510b/Makefile b/cpu/arm720t/s3c4510b/Makefile
index c099036..91e27fd 100644
--- a/cpu/arm720t/s3c4510b/Makefile
+++ b/cpu/arm720t/s3c4510b/Makefile
@@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
COBJS-y += cache.o
+COBJS-y += interrupts.o
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
diff --git a/cpu/arm720t/s3c4510b/interrupts.c
b/cpu/arm720t/s3c4510b/interrupts.c
new file mode 100644
index 0000000..f543569
--- /dev/null
+++ b/cpu/arm720t/s3c4510b/interrupts.c
@@ -0,0 +1,85 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroe...@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <a...@sysgo.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <clps7111.h>
+#include <asm/proc-armv/ptrace.h>
+#include <asm/hardware.h>
+
+# ifndef CONFIG_USE_IRQ
+# error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B
+# endif
+
+static struct _irq_handler IRQ_HANDLER[N_IRQS];
+
+void do_irq (struct pt_regs *pt_regs)
+{
+ unsigned int pending;
+
+ while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) { /* sentinal
value for no pending interrutps */
+ IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data);
+
+ /* clear pending interrupt */
+ PUT_REG( REG_INTPEND, (1<<(pending>>2)));
+ }
+}
+
+static void default_isr( void *data) {
+ printf ("default_isr(): called for IRQ %d\n", (int)data);
+}
+
+void irq_install_handler (int irq, interrupt_handler_t handle_irq, void *data)
+{
+ if (irq >= N_IRQS || !handle_irq)
+ return;
+
+ IRQ_HANDLER[irq].m_data = data;
+ IRQ_HANDLER[irq].m_func = handle_irq;
+}
+
+int arch_interrupt_init (void)
+{
+ int i;
+
+ /* install default interrupt handlers */
+ for (i = 0; i < N_IRQS; i++)
+ irq_install_handler(i, default_isr, (void *)i);
+
+ /* configure interrupts for IRQ mode */
+ PUT_REG( REG_INTMODE, 0x0);
+ /* clear any pending interrupts */
+ PUT_REG( REG_INTPEND, 0x1FFFFF);
+
+ /*
+ * Enable global interrupt
+ * Enable timer0 interrupt
+ */
+ CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0)));
+
+ return 0;
+}
diff --git a/cpu/arm720t/interrupts.c b/cpu/arm720t/timer.c
similarity index 78%
rename from cpu/arm720t/interrupts.c
rename to cpu/arm720t/timer.c
index 91d552c..98588af 100644
--- a/cpu/arm720t/interrupts.c
+++ b/cpu/arm720t/timer.c
@@ -50,47 +50,22 @@
#define READ_TIMER (TM2STAT & NETARM_GEN_TSTAT_CTC_MASK)
#endif
-#ifdef CONFIG_S3C4510B
-/* require interrupts for the S3C4510B */
-# ifndef CONFIG_USE_IRQ
-# error CONFIG_USE_IRQ _must_ be defined when using CONFIG_S3C4510B
-# else
-static struct _irq_handler IRQ_HANDLER[N_IRQS];
-# endif
-#endif /* CONFIG_S3C4510B */
-
-#ifdef CONFIG_USE_IRQ
+#if defined(CONFIG_USE_IRQ) && defined(CONFIG_LPC2292)
void do_irq (struct pt_regs *pt_regs)
{
-#if defined(CONFIG_S3C4510B)
- unsigned int pending;
-
- while ( (pending = GET_REG( REG_INTOFFSET)) != 0x54) { /* sentinal
value for no pending interrutps */
- IRQ_HANDLER[pending>>2].m_func( IRQ_HANDLER[pending>>2].m_data);
-
- /* clear pending interrupt */
- PUT_REG( REG_INTPEND, (1<<(pending>>2)));
- }
-#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
- /* No do_irq() for IntegratorAP/CM720T as yet */
-#elif defined(CONFIG_LPC2292)
-
void (*pfnct)(void);
pfnct = (void (*)(void))VICVectAddr;
(*pfnct)();
-#else
-#error do_irq() not defined for this CPU type
-#endif
}
#endif
-#ifdef CONFIG_S3C4510B
-static void default_isr( void *data) {
- printf ("default_isr(): called for IRQ %d\n", (int)data);
-}
+#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
+ /* Use IntegratorAP routines in board/integratorap.c */
+#else
+#if defined(CONFIG_S3C4510B)
static void timer_isr( void *data) {
unsigned int *pTime = (unsigned int *)data;
@@ -103,39 +78,9 @@ static void timer_isr( void *data) {
}
#endif
-#if defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
- /* Use IntegratorAP routines in board/integratorap.c */
-#else
-
static ulong timestamp;
static ulong lastdec;
-#if defined(CONFIG_USE_IRQ) && defined(CONFIG_S3C4510B)
-int arch_interrupt_init (void)
-{
- int i;
-
- /* install default interrupt handlers */
- for ( i = 0; i < N_IRQS; i++) {
- IRQ_HANDLER[i].m_data = (void *)i;
- IRQ_HANDLER[i].m_func = default_isr;
- }
-
- /* configure interrupts for IRQ mode */
- PUT_REG( REG_INTMODE, 0x0);
- /* clear any pending interrupts */
- PUT_REG( REG_INTPEND, 0x1FFFFF);
-
- lastdec = 0;
-
- /* install interrupt handler for timer */
- IRQ_HANDLER[INT_TIMER0].m_data = (void *)×tamp;
- IRQ_HANDLER[INT_TIMER0].m_func = timer_isr;
-
- return 0;
-}
-#endif
-
int timer_init (void)
{
#if defined(CONFIG_NETARM)
@@ -176,11 +121,10 @@ int timer_init (void)
*/
PUT_REG( REG_TDATA0, (CONFIG_SYS_SYS_CLK_FREQ / CONFIG_SYS_HZ));
- /*
- * Enable global interrupt
- * Enable timer0 interrupt
- */
- CLR_REG( REG_INTMASK, ((1<<INT_GLOBAL) | (1<<INT_TIMER0)));
+ /* install interrupt data handler for timer */
+ irq_install_handler(INT_TIMER0, timer_isr, (void *)×tamp);
+
+ lastdec = 0;
/* Start timer */
SET_REG( REG_TMOD, TM0_RUN);
--
1.6.2.4
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