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Preliminary irq registration call + irq capability checking

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Need to add irqctrl capabilities and irq bits to device memory
caps.

Also need to initialize irq field of devmem caps.
This commit is contained in:
Bahadir Balban
2009-11-28 19:13:23 +02:00
parent b5e6c66426
commit 6e40a2b601
17 changed files with 380 additions and 110 deletions
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55
include/l4/platform/pb926/irq.h
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@@ -4,24 +4,47 @@
#define IRQ_CHIPS_MAX 2
#define IRQS_MAX 64
/* IRQ indices. */
#define IRQ_TIMER01 4
#define IRQ_TIMER23 5
#define IRQ_RTC 10
#define IRQ_UART0 12
#define IRQ_UART1 13
#define IRQ_UART2 14
#define IRQ_SIC 31
/* Global irq numbers */
#define IRQ_TIMER01 (VIC_IRQ_TIMER01 + VIC_CHIP_OFFSET)
#define IRQ_TIMER23 (VIC_IRQ_TIMER23 + VIC_CHIP_OFFSET)
#define IRQ_RTC (VIC_IRQ_RTC + VIC_CHIP_OFFSET)
#define IRQ_UART0 (VIC_IRQ_UART0 + VIC_CHIP_OFFSET)
#define IRQ_UART1 (VIC_IRQ_UART1 + VIC_CHIP_OFFSET)
#define IRQ_UART2 (VIC_IRQ_UART2 + VIC_CHIP_OFFSET)
#define IRQ_SIC (VIC_IRQ_SIC + VIC_CHIP_OFFSET)
/* Cascading definitions */
#define IRQ_SICSWI (SIC_IRQ_SWI + SIC_CHIP_OFFSET)
#define IRQ_UART3 (SIC_IRQ_UART3 + SIC_CHIP_OFFSET)
#define PIC_IRQS_MAX 31 /* Total irqs on PIC */
/* The local irq line of the dummy peripheral on this chip */
#define LOCALIRQ_DUMMY 15
/* The irq index offset of this chip, is the maximum of previous chip + 1 */
#define SIRQ_CHIP_OFFSET (PIC_IRQS_MAX + 1)
/* The global irq number of dummy is the local irq line + it's chip offset */
#define IRQ_DUMMY (LOCALIRQ_DUMMY + SIRQ_CHIP_OFFSET)
/* Vectored Interrupt Controller local IRQ numbers */
#define VIC_IRQ_TIMER01 4
#define VIC_IRQ_TIMER23 5
#define VIC_IRQ_RTC 10
#define VIC_IRQ_UART0 12
#define VIC_IRQ_UART1 13
#define VIC_IRQ_UART2 14
#define VIC_IRQ_SIC 31
/* Secondary Interrupt controller local IRQ numbers */
#define SIC_IRQ_SWI 0
#define SIC_IRQ_UART3 6
/* Maximum irqs on VIC and SIC */
#define VIC_IRQS_MAX 32
#define SIC_IRQS_MAX 32
/*
* Globally unique irq chip offsets:
*
* A global irq number is calculated as
* chip_offset + local_irq_offset.
*
* This way, the global irq number uniquely represents
* an irq on any irq chip.
*/
#define VIC_CHIP_OFFSET 0
#define SIC_CHIP_OFFSET 32
#endif /* __PLATFORM_IRQ_H__ */