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[ARM] 3086/1: ixp2xxx error irq handling

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Patch from Dave Jiang

This provides support for IXP2xxx error interrupt handling. Previously there was a patch to remove this (although the original stuff was broken). Well, now the error bits are needed again. These are used extensively by the micro-engine drivers according to Deepak and also we will need it for the new EDAC code that Alan Cox is trying to push into the main kernel.

Re-submit of 3072/1, generated against git tree pulled today. AFAICT, this git tree pulled in all the ARM changes that's in arm.diff. Please let me know if there are additional changes. Thx!

Signed-off-by: Dave Jiang <djiang@mvista.com>
Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Dave Jiang
2005-11-04 17:15:44 +00:00
committed by Russell King
parent 73f0f7c79b
commit 7866f64928
2 changed files with 80 additions and 1 deletions
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include/asm-arm/arch-ixp2000/irqs.h
+34 -1
View File
@@ -67,12 +67,45 @@
#define IRQ_IXP2000_PCIA 40
#define IRQ_IXP2000_PCIB 41
#define NR_IXP2000_IRQS 42
/* Int sources from IRQ_ERROR_STATUS */
#define IRQ_IXP2000_DRAM0_MIN_ERR 42
#define IRQ_IXP2000_DRAM0_MAJ_ERR 43
#define IRQ_IXP2000_DRAM1_MIN_ERR 44
#define IRQ_IXP2000_DRAM1_MAJ_ERR 45
#define IRQ_IXP2000_DRAM2_MIN_ERR 46
#define IRQ_IXP2000_DRAM2_MAJ_ERR 47
/* 48-57 reserved */
#define IRQ_IXP2000_SRAM0_ERR 58
#define IRQ_IXP2000_SRAM1_ERR 59
#define IRQ_IXP2000_SRAM2_ERR 60
#define IRQ_IXP2000_SRAM3_ERR 61
/* 62-65 reserved */
#define IRQ_IXP2000_MEDIA_ERR 66
#define IRQ_IXP2000_PCI_ERR 67
#define IRQ_IXP2000_SP_INT 68
#define NR_IXP2000_IRQS 69
#define IXP2000_BOARD_IRQ(x) (NR_IXP2000_IRQS + (x))
#define IXP2000_BOARD_IRQ_MASK(irq) (1 << (irq - NR_IXP2000_IRQS))
#define IXP2000_ERR_IRQ_MASK(irq) ( 1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR))
#define IXP2000_VALID_ERR_IRQ_MASK (\
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MIN_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MAJ_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MIN_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MAJ_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MIN_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MAJ_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM0_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM1_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM2_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM3_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_MEDIA_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_PCI_ERR) | \
IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SP_INT) )
/*
* This allows for all the on-chip sources plus up to 32 CPLD based
* IRQs. Should be more than enough.