From: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
To: "Edgar E . Iglesias" <edgar.iglesias@gmail.com>,
Alistair Francis <alistair@alistair23.me>,
Peter Maydell <peter.maydell@linaro.org>,
Anthony Liguori <anthony@codemonkey.ws>,
afaerber@suse.de
Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Subject: [PATCH v2 2/3] cpu/a9mpcore: Set number of GIC priority bits to 5
Date: Fri, 21 Feb 2020 13:12:06 +0530 [thread overview]
Message-ID: <1582270927-2568-3-git-send-email-sai.pavan.boddu@xilinx.com> (raw)
In-Reply-To: <1582270927-2568-1-git-send-email-sai.pavan.boddu@xilinx.com>
All A9 CPUs have a GIC with 5 bits of priority.
Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
---
hw/cpu/a9mpcore.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/cpu/a9mpcore.c b/hw/cpu/a9mpcore.c
index 1f8bc8a..b4f6a7e 100644
--- a/hw/cpu/a9mpcore.c
+++ b/hw/cpu/a9mpcore.c
@@ -16,6 +16,8 @@
#include "hw/qdev-properties.h"
#include "hw/core/cpu.h"
+#define A9_GIC_NUM_PRIORITY_BITS 5
+
static void a9mp_priv_set_irq(void *opaque, int irq, int level)
{
A9MPPrivState *s = (A9MPPrivState *)opaque;
@@ -68,6 +70,8 @@ static void a9mp_priv_realize(DeviceState *dev, Error **errp)
gicdev = DEVICE(&s->gic);
qdev_prop_set_uint32(gicdev, "num-cpu", s->num_cpu);
qdev_prop_set_uint32(gicdev, "num-irq", s->num_irq);
+ qdev_prop_set_uint32(gicdev, "num-priority-bits",
+ A9_GIC_NUM_PRIORITY_BITS);
/* Make the GIC's TZ support match the CPUs. We assume that
* either all the CPUs have TZ, or none do.
--
2.7.4
next prev parent reply other threads:[~2020-02-21 7:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1582270927-2568-1-git-send-email-sai.pavan.boddu@xilinx.com>
2020-02-21 7:42 ` [PATCH v2 1/3] arm_gic: Mask the un-supported priority bits Sai Pavan Boddu
2020-02-21 15:30 ` Peter Maydell
2020-02-24 9:36 ` Sai Pavan Boddu
2020-02-21 7:42 ` Sai Pavan Boddu [this message]
2020-02-21 15:30 ` [PATCH v2 2/3] cpu/a9mpcore: Set number of GIC priority bits to 5 Peter Maydell
2020-02-21 7:42 ` [PATCH v2 3/3] cpu/arm11mpcore: Set number of GIC priority bits to 4 Sai Pavan Boddu
2020-02-21 15:30 ` Peter Maydell
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