Openwrt/target/linux/bcm63xx/patches-5.10/338-MIPS-BCM63XX-increase-number-of-IRQs.patch
Álvaro Fernández Rojas f323dec4f8 bcm63xx: add kernel 5.10 support
Runtime-tested on Comtrend AR-5387un.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-17 20:40:16 +01:00

40 lines
1.2 KiB
Diff

From 6f5658c845cf1f79213b1d20423a04967259fdaa Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 15 Dec 2013 20:46:26 +0100
Subject: [PATCH 48/53] MIPS: BCM63XX: increase number of IRQs
Newer SoCs have 128 bit wide irq registers, thus 128 available internal
interupts.
---
arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h | 4 +++-
arch/mips/include/asm/mach-bcm63xx/irq.h | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_irq.h
@@ -2,10 +2,12 @@
#ifndef BCM63XX_IRQ_H_
#define BCM63XX_IRQ_H_
+#include <irq.h>
#include <bcm63xx_cpu.h>
#define IRQ_INTERNAL_BASE 8
-#define IRQ_EXTERNAL_BASE 100
+#define NR_INTERNAL_IRQS 128
+#define IRQ_EXTERNAL_BASE (IRQ_INTERNAL_BASE + NR_INTERNAL_IRQS)
#define IRQ_EXT_0 (IRQ_EXTERNAL_BASE + 0)
#define IRQ_EXT_1 (IRQ_EXTERNAL_BASE + 1)
#define IRQ_EXT_2 (IRQ_EXTERNAL_BASE + 2)
--- a/arch/mips/include/asm/mach-bcm63xx/irq.h
+++ b/arch/mips/include/asm/mach-bcm63xx/irq.h
@@ -2,7 +2,7 @@
#ifndef __ASM_MACH_BCM63XX_IRQ_H
#define __ASM_MACH_BCM63XX_IRQ_H
-#define NR_IRQS 128
+#define NR_IRQS 256
#define MIPS_CPU_IRQ_BASE 0
#endif