Add SAM3U interrupt vector logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2475 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 102 insertions, 16 deletions

diff --git a/nuttx/arch/arm/include/sam3u/irq.h b/nuttx/arch/arm/include/sam3u/irq.h
index 092953643..16f7ba3a5 100755
--- a/nuttx/arch/arm/include/sam3u/irq.h
+++ b/nuttx/arch/arm/include/sam3u/irq.h
@@ -1,4 +1,4 @@
-/****************************************************************************
+/****************************************************************************************
  * arch/arm/include/sam3u/irq.h
  *
  *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
@@ -31,7 +31,7 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ****************************************************************************/
+ ****************************************************************************************/
 
 /* This file should never be included directed but, rather,
  * only indirectly through nuttx/irq.h
@@ -40,33 +40,119 @@
 #ifndef __ARCH_ARM_INCLUDE_SAM3U_IRQ_H
 #define __ARCH_ARM_INCLUDE_SAM3U_IRQ_H
 
-/****************************************************************************
+/****************************************************************************************
  * Included Files
- ****************************************************************************/
+ ****************************************************************************************/
 
-/****************************************************************************
+/****************************************************************************************
  * Definitions
- ****************************************************************************/
+ ****************************************************************************************/
 
-/* SAM3U Interrupts */
+/* SAM3U Peripheral Identifiers */
 
-#define NR_IRQS (0) /* For now *.
+#define SAM3U_PID_SUPC           (0)  /* Supply Controller */
+#define SAM3U_PID_RSTC           (1)  /* Reset Controller */
+#define SAM3U_PID_RTC            (2)  /* Real Time Clock */
+#define SAM3U_PID_RTT            (3)  /* Real Time Timer */
+#define SAM3U_PID_WDT            (4)  /* Watchdog Timer */
+#define SAM3U_PID_PMC            (5)  /* Power Management Controller */
+#define SAM3U_PID_EEFC0          (6)  /* Enhanced Embedded Flash Controller 0 */
+#define SAM3U_PID_EEFC1          (7)  /* Enhanced Embedded Flash Controller 1 */
+#define SAM3U_PID_UART           (8)  /* Universal Asynchronous Receiver Transmitter */
+#define SAM3U_PID_SMC            (9)  /* Static Memory Controller */
+#define SAM3U_PID_PIOA          (10)  /* Parallel I/O Controller A */
+#define SAM3U_PID_PIOB          (11)  /* Parallel I/O Controller B */
+#define SAM3U_PID_PIOC          (12)  /* Parallel I/O Controller C */
+#define SAM3U_PID_USART0        (13)  /* USART 0 */
+#define SAM3U_PID_USART1        (14)  /* USART 1 */
+#define SAM3U_PID_USART2        (15)  /* USART 2 */
+#define SAM3U_PID_USART3        (16)  /* USART 3 */
+#define SAM3U_PID_HSMCI         (17)  /* High Speed Multimedia Card Interface */
+#define SAM3U_PID_TWI0          (18)  /* Two-Wire Interface 0 */
+#define SAM3U_PID_TWI1          (19)  /* Two-Wire Interface 1 */
+#define SAM3U_PID_SPI           (20)  /* Serial Peripheral Interface */
+#define SAM3U_PID_SSC           (21)  /* Synchronous Serial Controller */
+#define SAM3U_PID_TC0           (22)  /* Timer Counter 0 */
+#define SAM3U_PID_TC1           (23)  /* Timer Counter 1 */
+#define SAM3U_PID_TC2           (24)  /* Timer Counter 2 */
+#define SAM3U_PID_PWM           (25)  /* Pulse Width Modulation Controller */
+#define SAM3U_PID_ADC12B        (26)  /* 12-bit ADC Controller */
+#define SAM3U_PID_ADC           (27)  /* 10-bit ADC Controller */
+#define SAM3U_PID_DMAC          (28)  /* DMA Controller */
+#define SAM3U_PID_UDPHS         (29)  /* USB Device High Speed */
+#define NR_PIDS                 (30)  /* Number of peripheral identifiers */
 
-/****************************************************************************
+/* IRQ numbers.  The IRQ number corresponds vector number and hence map directly to
+ * bits in the NVIC.  This does, however, waste several words of memory in the IRQ
+ * to handle mapping tables.
+ */
+
+/* Processor Exceptions (vectors 0-15) */
+
+#define SAM3U_IRQ_RESERVED       (0) /* Reserved vector (only used with CONFIG_DEBUG) */
+                                     /* Vector  0: Reset stack pointer value */
+                                     /* Vector  1: Reset (not handler as an IRQ) */
+#define SAM3U_IRQ_NMI            (2) /* Vector  2: Non-Maskable Interrupt (NMI) */
+#define SAM3U_IRQ_HARDFAULT      (3) /* Vector  3: Hard fault */
+#define SAM3U_IRQ_MPU            (4) /* Vector  4: Memory management (MPU) */
+#define SAM3U_IRQ_BUSFAULT       (5) /* Vector  5: Bus fault */
+#define SAM3U_IRQ_USAGEFAULT     (6) /* Vector  6: Usage fault */
+#define SAM3U_IRQ_SVCALL        (11) /* Vector 11: SVC call */
+#define SAM3U_IRQ_DBGMONITOR    (12) /* Vector 12: Debug Monitor */
+                                     /* Vector 13: Reserved */
+#define SAM3U_IRQ_PENDSV        (14) /* Vector 14: Pendable system service request */
+#define SAM3U_IRQ_SYSTICK       (15) /* Vector 15: System tick */
+
+/* External interrupts (vectors >= 16) */
+
+#define SAM3U_IRQ_EXTINT        (16)
+#define SAM3U_IRQ_SUPC          (SAM3U_IRQ_EXTINT+SAM3U_PID_SUPC)   /* Supply Controller */
+#define SAM3U_IRQ_RSTC          (SAM3U_IRQ_EXTINT+SAM3U_PID_RSTC)   /* Reset Controller */
+#define SAM3U_IRQ_RTC           (SAM3U_IRQ_EXTINT+SAM3U_PID_RTC)    /* Real Time Clock */
+#define SAM3U_IRQ_RTT           (SAM3U_IRQ_EXTINT+SAM3U_PID_RTT)    /* Real Time Timer */
+#define SAM3U_IRQ_WDT           (SAM3U_IRQ_EXTINT+SAM3U_PID_WDT)    /* Watchdog Timer */
+#define SAM3U_IRQ_PMC           (SAM3U_IRQ_EXTINT+SAM3U_PID_PMC)    /* Power Management Controller */
+#define SAM3U_IRQ_EEFC0         (SAM3U_IRQ_EXTINT+SAM3U_PID_EEFC0)  /* Enhanced Embedded Flash Controller 0 */
+#define SAM3U_IRQ_EEFC1         (SAM3U_IRQ_EXTINT+SAM3U_PID_EEFC1)  /* Enhanced Embedded Flash Controller 1 */
+#define SAM3U_IRQ_UART          (SAM3U_IRQ_EXTINT+SAM3U_PID_UART)   /* Universal Asynchronous Receiver Transmitter */
+#define SAM3U_IRQ_SMC           (SAM3U_IRQ_EXTINT+SAM3U_PID_SMC)    /* Static Memory Controller */
+#define SAM3U_IRQ_PIOA          (SAM3U_IRQ_EXTINT+SAM3U_PID_PIOA)   /* Parallel I/O Controller A */
+#define SAM3U_IRQ_PIOB          (SAM3U_IRQ_EXTINT+SAM3U_PID_PIOB)   /* Parallel I/O Controller B */
+#define SAM3U_IRQ_PIOC          (SAM3U_IRQ_EXTINT+SAM3U_PID_PIOC)   /* Parallel I/O Controller C */
+#define SAM3U_IRQ_USART0        (SAM3U_IRQ_EXTINT+SAM3U_PID_USART0) /* USART 0 */
+#define SAM3U_IRQ_USART1        (SAM3U_IRQ_EXTINT+SAM3U_PID_USART1) /* USART 1 */
+#define SAM3U_IRQ_USART2        (SAM3U_IRQ_EXTINT+SAM3U_PID_USART2) /* USART 2 */
+#define SAM3U_IRQ_USART3        (SAM3U_IRQ_EXTINT+SAM3U_PID_USART3) /* USART 3 */
+#define SAM3U_IRQ_HSMCI         (SAM3U_IRQ_EXTINT+SAM3U_PID_HSMCI)  /* High Speed Multimedia Card Interface */
+#define SAM3U_IRQ_TWI0          (SAM3U_IRQ_EXTINT+SAM3U_PID_TWI0)   /* Two-Wire Interface 0 */
+#define SAM3U_IRQ_TWI1          (SAM3U_IRQ_EXTINT+SAM3U_PID_TWI1)   /* Two-Wire Interface 1 */
+#define SAM3U_IRQ_SPI           (SAM3U_IRQ_EXTINT+SAM3U_PID_SPI)    /* Serial Peripheral Interface */
+#define SAM3U_IRQ_SSC           (SAM3U_IRQ_EXTINT+SAM3U_PID_SSC)    /* Synchronous Serial Controller */
+#define SAM3U_IRQ_TC0           (SAM3U_IRQ_EXTINT+SAM3U_PID_TC0)    /* Timer Counter 0 */
+#define SAM3U_IRQ_TC1           (SAM3U_IRQ_EXTINT+SAM3U_PID_TC1)    /* Timer Counter 1 */
+#define SAM3U_IRQ_TC2           (SAM3U_IRQ_EXTINT+SAM3U_PID_TC2)    /* Timer Counter 2 */
+#define SAM3U_IRQ_PWM           (SAM3U_IRQ_EXTINT+SAM3U_PID_PWM)    /* Pulse Width Modulation Controller */
+#define SAM3U_IRQ_ADC12B        (SAM3U_IRQ_EXTINT+SAM3U_PID_ADC12B) /* 12-bit ADC Controller */
+#define SAM3U_IRQ_ADC           (SAM3U_IRQ_EXTINT+SAM3U_PID_ADC)    /* 10-bit ADC Controller */
+#define SAM3U_IRQ_DMAC          (SAM3U_IRQ_EXTINT+SAM3U_PID_DMAC)   /* DMA Controller */
+#define SAM3U_IRQ_UDPHS         (SAM3U_IRQ_EXTINT+SAM3U_PID_UDPHS)  /* USB Device High Speed */
+#define NR_IRQS                 (SAM3U_IRQ_EXTINT+NR_PIDS)          /* Total number of IRQ numbers */
+
+/****************************************************************************************
  * Public Types
- ****************************************************************************/
+ ****************************************************************************************/
 
-/****************************************************************************
+/****************************************************************************************
  * Inline functions
- ****************************************************************************/
+ ****************************************************************************************/
 
-/****************************************************************************
+/****************************************************************************************
  * Public Variables
- ****************************************************************************/
+ ****************************************************************************************/
 
-/****************************************************************************
+/****************************************************************************************
  * Public Function Prototypes
- ****************************************************************************/
+ ****************************************************************************************/
 
 #ifndef __ASSEMBLY__
 #ifdef __cplusplus