Add irq initialization
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@1696 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
parent
43948525d0
commit
46d3da1c2f
|
|
@ -46,8 +46,8 @@ CMN_CSRCS = up_assert.c up_blocktask.c up_copystate.c up_createstack.c \
|
|||
up_undefinedinsn.c up_usestack.c
|
||||
|
||||
CHIP_ASRCS = #imx_lowputc.S imx_restart.S
|
||||
CHIP_CSRCS = imx_boot.c imx_gpio.c imx_allocateheap.c # imx_decodeirq.c \
|
||||
#imx_irq.c imx_serial.c imx_timerisr.c imx_framebuffer.c
|
||||
CHIP_CSRCS = imx_boot.c imx_gpio.c imx_allocateheap.c imx_irq.c \
|
||||
# imx_decodeirq.c imx_serial.c imx_timerisr.c imx_framebuffer.c
|
||||
|
||||
ifeq ($(CONFIG_USBDEV),y)
|
||||
CHIP_CSRCS += imx_usbdev.c
|
||||
|
|
|
|||
|
|
@ -62,6 +62,7 @@
|
|||
#define AITC_NIPRIORITY2_OFFSET 0x0034
|
||||
#define AITC_NIPRIORITY1_OFFSET 0x0038
|
||||
#define AITC_NIPRIORITY0_OFFSET 0x003c
|
||||
#define AITC_NIPRIORITY_OFFSET(n) (AITC_NIPRIORITY7_OFFSET + 4*(7-(n)))
|
||||
#define AITC_NIVECSR_OFFSET 0x0040
|
||||
#define AITC_FIVECSR_OFFSET 0x0044
|
||||
#define AITC_INTSRCH_OFFSET 0x0048
|
||||
|
|
@ -91,6 +92,7 @@
|
|||
#define IMX_AITC_NIPRIORITY2 (IMX_AITC_VBASE + AITC_NIPRIORITY2_OFFSET)
|
||||
#define IMX_AITC_NIPRIORITY1 (IMX_AITC_VBASE + AITC_NIPRIORITY1_OFFSET)
|
||||
#define IMX_AITC_NIPRIORITY0 (IMX_AITC_VBASE + AITC_NIPRIORITY0_OFFSET)
|
||||
#define IMX_AITC_NIPRIORITY(n) (IMX_AITC_VBASE + AITC_NIPRIORITY_OFFSET(n)))
|
||||
#define IMX_AITC_NIVECSR (IMX_AITC_VBASE + AITC_NIVECSR_OFFSET)
|
||||
#define IMX_AITC_FIVECSR (IMX_AITC_VBASE + AITC_FIVECSR_OFFSET)
|
||||
#define IMX_AITC_INTSRCH (IMX_AITC_VBASE + AITC_INTSRCH_OFFSET)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,143 @@
|
|||
/****************************************************************************
|
||||
* arch/arm/src/imc/imx_irq.c
|
||||
* arch/arm/src/chip/imx_irq.c
|
||||
*
|
||||
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
#include <nuttx/irq.h>
|
||||
|
||||
#include "up_arch.h"
|
||||
#include "os_internal.h"
|
||||
#include "up_internal.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
uint32 *current_regs;
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Funtions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_irqinitialize
|
||||
****************************************************************************/
|
||||
|
||||
void up_irqinitialize(void)
|
||||
{
|
||||
/* Clear, disable and configure all interrupts. */
|
||||
|
||||
putreg32(0, IMX_AITC_INTENABLEH);
|
||||
putreg32(0, IMX_AITC_INTENABLEL);
|
||||
|
||||
/* currents_regs is non-NULL only while processing an interrupt */
|
||||
|
||||
current_regs = NULL;
|
||||
|
||||
/* Set masking of normal interrupts by priority. Writing all ones
|
||||
* (or -1) to the NIMASK register sets the normal interrupt mask to
|
||||
* -1 and does not disable any normal interrupt priority levels.
|
||||
*/
|
||||
|
||||
#ifndef CONFIG_SUPPRESS_INTERRUPTS
|
||||
putreg32(-1, IMX_AITC_NIMASK); /* -1: No priority levels masked */
|
||||
|
||||
/* Initialize FIQs */
|
||||
|
||||
#ifdef CONFIG_ARCH_FIQ
|
||||
up_fiqinitialize();
|
||||
#endif
|
||||
|
||||
/* And finally, enable interrupts */
|
||||
|
||||
irqrestore(SVC_MODE | PSR_F_BIT);
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_disable_irq
|
||||
*
|
||||
* Description:
|
||||
* Disable the IRQ specified by 'irq'
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_disable_irq(int irq)
|
||||
{
|
||||
putreg32(irq, IMX_AITC_INTDISNUM);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_enable_irq
|
||||
*
|
||||
* Description:
|
||||
* Enable the IRQ specified by 'irq'
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_enable_irq(int irq)
|
||||
{
|
||||
putreg32(irq, IMX_AITC_INTENNUM);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: up_maskack_irq
|
||||
*
|
||||
* Description:
|
||||
* Mask the IRQ and acknowledge it
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void up_maskack_irq(int irq)
|
||||
{
|
||||
up_disable_irq(irq);
|
||||
}
|
||||
|
|
@ -89,18 +89,25 @@ CONFIG_ARCH_STACKDUMP=y
|
|||
#
|
||||
CONFIG_UART0_SERIAL_CONSOLE=y
|
||||
CONFIG_UART1_SERIAL_CONSOLE=n
|
||||
CONFIG_UART2_SERIAL_CONSOLE=n
|
||||
CONFIG_UART0_TXBUFSIZE=256
|
||||
CONFIG_UART1_TXBUFSIZE=256
|
||||
CONFIG_UART2_TXBUFSIZE=256
|
||||
CONFIG_UART0_RXBUFSIZE=256
|
||||
CONFIG_UART1_RXBUFSIZE=256
|
||||
CONFIG_UART2_RXBUFSIZE=256
|
||||
CONFIG_UART0_BAUD=115200
|
||||
CONFIG_UART1_BAUD=115200
|
||||
CONFIG_UART2_BAUD=115200
|
||||
CONFIG_UART0_BITS=8
|
||||
CONFIG_UART1_BITS=8
|
||||
CONFIG_UART2_BITS=8
|
||||
CONFIG_UART0_PARITY=0
|
||||
CONFIG_UART1_PARITY=0
|
||||
CONFIG_UART2_PARITY=0
|
||||
CONFIG_UART0_2STOP=0
|
||||
CONFIG_UART1_2STOP=0
|
||||
CONFIG_UART2_2STOP=0
|
||||
|
||||
#
|
||||
# General build options
|
||||
|
|
|
|||
Loading…
Reference in New Issue