From 97b823bf5155b2981e4e9fe4c49f8f6e3cca5c14 Mon Sep 17 00:00:00 2001 From: marcel Date: Sat, 29 Jan 2011 20:25:20 +0000 Subject: Introduce macro FDT_MAP_IRQ to map from an interrupt controller and interrupt pin pair to a global IRQ number. When multiple PICs exist on a board, the interrupt pin alone is not unique. --- sys/arm/include/fdt.h | 3 +++ sys/dev/fdt/fdt_common.c | 5 +++-- sys/powerpc/include/fdt.h | 3 +++ 3 files changed, 9 insertions(+), 2 deletions(-) (limited to 'sys') diff --git a/sys/arm/include/fdt.h b/sys/arm/include/fdt.h index 3672dfb..c7290ac 100644 --- a/sys/arm/include/fdt.h +++ b/sys/arm/include/fdt.h @@ -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. */ diff --git a/sys/dev/fdt/fdt_common.c b/sys/dev/fdt/fdt_common.c index b4e0063..d25715b 100644 --- a/sys/dev/fdt/fdt_common.c +++ b/sys/dev/fdt/fdt_common.c @@ -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: diff --git a/sys/powerpc/include/fdt.h b/sys/powerpc/include/fdt.h index 76ef94f..116f562 100644 --- a/sys/powerpc/include/fdt.h +++ b/sys/powerpc/include/fdt.h @@ -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. */ -- cgit v1.1