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Introduce macro FDT_MAP_IRQ to map from an interrupt controller and

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interrupt pin pair to a global IRQ number. When multiple PICs exist
on a board, the interrupt pin alone is not unique.
This commit is contained in:
Marcel Moolenaar 2011-01-29 20:25:20 +00:00
parent a21779f050
commit 2af3fc178e
3 changed files with 9 additions and 2 deletions
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3
sys/arm/include/fdt.h
View File

@ -44,6 +44,9 @@
/* Max interrupt number */
#define FDT_INTR_MAX NIRQ
/* Map phandle/intpin pair to global IRQ number */
#define FDT_MAP_IRQ(node, pin) (pin)
/*
* Bus space tag. XXX endianess info needs to be derived from the blob.
*/

5
sys/dev/fdt/fdt_common.c
View File

@ -480,7 +480,7 @@ fdt_intr_to_rl(phandle_t node, struct resource_list *rl,
pcell_t *intr;
pcell_t intr_cells;
int interrupt, trig, pol;
int i, intr_num, rv;
int i, intr_num, irq, rv;
if (OF_getproplen(node, "interrupts") <= 0)
/* Node does not have 'interrupts' property. */
@ -532,7 +532,8 @@ fdt_intr_to_rl(phandle_t node, struct resource_list *rl,
intr_sl[i].trig = trig;
intr_sl[i].pol = pol;
resource_list_add(rl, SYS_RES_IRQ, i, interrupt, interrupt, 1);
irq = FDT_MAP_IRQ(intr_par, interrupt);
resource_list_add(rl, SYS_RES_IRQ, i, irq, irq, 1);
}
out:

3
sys/powerpc/include/fdt.h
View File

@ -38,6 +38,9 @@
/* Max interrupt number */
#define FDT_INTR_MAX INTR_VECTORS
/* Map phandle/intpin pair to global IRQ number */
#define FDT_MAP_IRQ(node, pin) powerpc_get_irq(node, pin)
/*
* Bus space tag. XXX endianess info needs to be derived from the blob.
*/