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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-18 09:23:50 +0200
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-05-18 09:51:18 +0200
commitaf667c73c5d34ca3817eff641338be32dc2e5387 (patch)
treea1dfcaf79627eb5350646c858b418c9c2b712362
parentd1ce73677cb476ba5e9d6bd20c90ecf1d17a694a (diff)
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bcm63xx: mask interrupts on init
Fixes BCM6348/BCM6358 hangs while booting: https://bugs.openwrt.org/index.php?do=details&task_id=2202 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> (cherry picked from commit 13c33f3f121ca6fe2ab1f80e04cf2d4f2cd6abec)
-rw-r--r--target/linux/brcm63xx/patches-4.14/327-irqchip-bcm6345-periph-clear-on-init.patch12
1 files changed, 12 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.14/327-irqchip-bcm6345-periph-clear-on-init.patch b/target/linux/brcm63xx/patches-4.14/327-irqchip-bcm6345-periph-clear-on-init.patch
new file mode 100644
index 0000000000..a878b34b21
--- /dev/null
+++ b/target/linux/brcm63xx/patches-4.14/327-irqchip-bcm6345-periph-clear-on-init.patch
@@ -0,0 +1,12 @@
+--- a/drivers/irqchip/irq-bcm6345-periph.c
++++ b/drivers/irqchip/irq-bcm6345-periph.c
+@@ -240,6 +240,9 @@ static int __init __bcm6345_periph_intc_
+ /* route all interrupts to line 0 by default */
+ if (i == 0)
+ block->mask_cache[w] = 0xffffffff;
++
++ /* mask all interrupts */
++ __raw_writel(0, block->en_reg[w]);
+ }
+
+ irq_set_handler_data(block->parent_irq, data);