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authorSebastian Huber <sebastian.huber@embedded-brains.de>2011-11-08 10:39:46 +0000
committerSebastian Huber <sebastian.huber@embedded-brains.de>2011-11-08 10:39:46 +0000
commit4a6cc2a4b35e2cb069cb273b7e098366c7bae059 (patch)
treeb08f1c8e32e76029b8442e1ab27e173a3565009b /c/src/lib/libbsp/arm/lpc24xx/irq
parent2011-11-08 Sebastian Huber <sebastian.huber@embedded-brains.de> (diff)
downloadrtems-4a6cc2a4b35e2cb069cb273b7e098366c7bae059.tar.bz2
2011-11-08 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/lpc17xx.h: New file. * Makefile.am, preinstall.am: Reflect change above. Update due to API changes. * configure.ac, console/console-config.c, include/bsp.h, include/io.h, include/irq.h, include/lcd.h, include/lpc-clock-config.h, include/lpc24xx.h, include/start-config.h, irq/irq-dispatch.c, irq/irq.c, misc/bspidle.c, misc/io.c, misc/lcd.c, misc/restart.c, misc/system-clocks.c, ssp/ssp.c, startup/bspreset.c, startup/bspstart.c, startup/bspstarthooks.c, startup/start-config-emc-dynamic.c, startup/start-config-emc-static.c, startup/start-config-pinsel.c: Basic support for LPC17XX. New memory configurations for W9825G2JB75I, IS42S32800B, and SST39VF3201.
Diffstat (limited to 'c/src/lib/libbsp/arm/lpc24xx/irq')
-rw-r--r--c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c25
-rw-r--r--c/src/lib/libbsp/arm/lpc24xx/irq/irq.c71
2 files changed, 59 insertions, 37 deletions
diff --git a/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c b/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c
index 7368ba66a4..440984eb2c 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c
+++ b/c/src/lib/libbsp/arm/lpc24xx/irq/irq-dispatch.c
@@ -20,24 +20,29 @@
* http://www.rtems.com/license/LICENSE.
*/
+#include <rtems/score/armv7m.h>
+
#include <bsp.h>
+#include <bsp/irq.h>
#include <bsp/irq-generic.h>
#include <bsp/lpc24xx.h>
void bsp_interrupt_dispatch(void)
{
- /* Read current vector number */
- rtems_vector_number vector = VICVectAddr;
+ #ifdef ARM_MULTILIB_ARCH_V4
+ /* Read current vector number */
+ rtems_vector_number vector = VICVectAddr;
- /* Enable interrupts in program status register */
- uint32_t psr = arm_status_irq_enable();
+ /* Enable interrupts in program status register */
+ uint32_t psr = arm_status_irq_enable();
- /* Dispatch interrupt handlers */
- bsp_interrupt_handler_dispatch(vector);
+ /* Dispatch interrupt handlers */
+ bsp_interrupt_handler_dispatch(vector);
- /* Restore program status register */
- arm_status_restore(psr);
+ /* Restore program status register */
+ arm_status_restore(psr);
- /* Acknowledge interrupt */
- VICVectAddr = 0;
+ /* Acknowledge interrupt */
+ VICVectAddr = 0;
+ #endif
}
diff --git a/c/src/lib/libbsp/arm/lpc24xx/irq/irq.c b/c/src/lib/libbsp/arm/lpc24xx/irq/irq.c
index e00009652e..d6cc6ce17d 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/irq/irq.c
+++ b/c/src/lib/libbsp/arm/lpc24xx/irq/irq.c
@@ -20,10 +20,13 @@
* http://www.rtems.com/license/LICENSE.
*/
+#include <rtems/score/armv7m.h>
+
#include <bsp.h>
#include <bsp/irq.h>
#include <bsp/irq-generic.h>
#include <bsp/lpc24xx.h>
+#include <bsp/linker-symbols.h>
static inline bool lpc24xx_irq_is_valid(rtems_vector_number vector)
{
@@ -37,14 +40,18 @@ void lpc24xx_irq_set_priority(rtems_vector_number vector, unsigned priority)
priority = LPC24XX_IRQ_PRIORITY_VALUE_MAX;
}
- VICVectPriorityBase [vector] = priority;
+ #ifdef ARM_MULTILIB_ARCH_V4
+ VICVectPriorityBase [vector] = priority;
+ #endif
}
}
unsigned lpc24xx_irq_get_priority(rtems_vector_number vector)
{
if (lpc24xx_irq_is_valid(vector)) {
- return VICVectPriorityBase [vector];
+ #ifdef ARM_MULTILIB_ARCH_V4
+ return VICVectPriorityBase [vector];
+ #endif
} else {
return LPC24XX_IRQ_PRIORITY_VALUE_MIN - 1U;
}
@@ -52,51 +59,61 @@ unsigned lpc24xx_irq_get_priority(rtems_vector_number vector)
rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
{
- VICIntEnable = 1U << vector;
+ #ifdef ARM_MULTILIB_ARCH_V4
+ VICIntEnable = 1U << vector;
+ #endif
return RTEMS_SUCCESSFUL;
}
rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
{
- VICIntEnClear = 1U << vector;
+ #ifdef ARM_MULTILIB_ARCH_V4
+ VICIntEnClear = 1U << vector;
+ #endif
return RTEMS_SUCCESSFUL;
}
rtems_status_code bsp_interrupt_facility_initialize(void)
{
- volatile uint32_t *addr = VICVectAddrBase;
- volatile uint32_t *prio = VICVectPriorityBase;
- rtems_vector_number i = 0;
+ #ifdef ARM_MULTILIB_ARCH_V4
+ volatile uint32_t *addr = VICVectAddrBase;
+ volatile uint32_t *prio = VICVectPriorityBase;
+ rtems_vector_number i = 0;
- /* Disable all interrupts */
- VICIntEnClear = 0xffffffff;
+ /* Disable all interrupts */
+ VICIntEnClear = 0xffffffff;
- /* Clear all software interrupts */
- VICSoftIntClear = 0xffffffff;
+ /* Clear all software interrupts */
+ VICSoftIntClear = 0xffffffff;
- /* Use IRQ category */
- VICIntSelect = 0;
+ /* Use IRQ category */
+ VICIntSelect = 0;
- for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
- /* Use the vector address register to store the vector number */
- addr [i] = i;
+ for (i = BSP_INTERRUPT_VECTOR_MIN; i <= BSP_INTERRUPT_VECTOR_MAX; ++i) {
+ /* Use the vector address register to store the vector number */
+ addr [i] = i;
- /* Give vector lowest priority */
- prio [i] = 15;
- }
+ /* Give vector lowest priority */
+ prio [i] = 15;
+ }
- /* Reset priority mask register */
- VICSWPrioMask = 0xffff;
+ /* Reset priority mask register */
+ VICSWPrioMask = 0xffff;
- /* Acknowledge interrupts for all priorities */
- for (i = LPC24XX_IRQ_PRIORITY_VALUE_MIN; i <= LPC24XX_IRQ_PRIORITY_VALUE_MAX; ++i) {
- VICVectAddr = 0;
- }
+ /* Acknowledge interrupts for all priorities */
+ for (
+ i = LPC24XX_IRQ_PRIORITY_VALUE_MIN;
+ i <= LPC24XX_IRQ_PRIORITY_VALUE_MAX;
+ ++i
+ ) {
+ VICVectAddr = 0;
+ }
- /* Install the IRQ exception handler */
- _CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, arm_exc_interrupt, NULL);
+ /* Install the IRQ exception handler */
+ _CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, arm_exc_interrupt, NULL);
+ #endif
return RTEMS_SUCCESSFUL;
}