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Fix access to ez80 I/O address space

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@748 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2008-03-23 21:22:19 +00:00
parent ab876969dd
commit c93316bf89
11 changed files with 334 additions and 99 deletions
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include/nuttx/arch.h
+19 -2
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@@ -379,7 +379,18 @@ EXTERN boolean up_interrupt_context(void);
* Name: up_enable_irq
*
* Description:
* Enable the IRQ specified by 'irq'
* On many architectures, there are three levels of interrupt enabling: (1)
* at the global level, (2) at the level of the interrupt controller,
* and (3) at the device level. In order to receive interrupts, they
* must be enabled at all three levels.
*
* This function implements enabling of the device specified by 'irq'
* at the interrupt controller level if supported by the architecture
* (irqsave() supports the global level, the device level is hardware
* specific).
*
* Since this API is not supported on all architectures, it should be
* avoided in common implementations where possible.
*
****************************************************************************/
@@ -389,7 +400,13 @@ EXTERN void up_enable_irq(int irq);
* Name: up_disable_irq
*
* Description:
* Disable the IRQ specified by 'irq'
* This function implements disabling of the device specified by 'irq'
* at the interrupt controller level if supported by the architecture
* (irqsave() supports the global level, the device level is hardware
* specific).
*
* Since this API is not supported on all architectures, it should be
* avoided in common implementations where possible.
*
****************************************************************************/