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[Qemu-devel] [Qemu devel PATCH] msf2: Wire up SYSRESETREQ in SoC for sys
From: |
Subbaraya Sundeep |
Subject: |
[Qemu-devel] [Qemu devel PATCH] msf2: Wire up SYSRESETREQ in SoC for system reset |
Date: |
Sun, 29 Oct 2017 10:29:25 +0530 |
Implemented system reset by creating SYSRESETREQ gpio
out from nvic.
Signed-off-by: Subbaraya Sundeep <address@hidden>
---
hw/arm/msf2-soc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/arm/msf2-soc.c b/hw/arm/msf2-soc.c
index 6f97fa9..a8ec2cd 100644
--- a/hw/arm/msf2-soc.c
+++ b/hw/arm/msf2-soc.c
@@ -57,6 +57,13 @@ static const int spi_irq[MSF2_NUM_SPIS] = { 2, 3 };
static const int uart_irq[MSF2_NUM_UARTS] = { 10, 11 };
static const int timer_irq[MSF2_NUM_TIMERS] = { 14, 15 };
+static void do_sys_reset(void *opaque, int n, int level)
+{
+ if (level) {
+ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
+ }
+}
+
static void m2sxxx_soc_initfn(Object *obj)
{
MSF2State *s = MSF2_SOC(obj);
@@ -125,6 +132,10 @@ static void m2sxxx_soc_realize(DeviceState *dev_soc, Error
**errp)
error_append_hint(errp, "m3clk can not be zero\n");
return;
}
+
+ qdev_connect_gpio_out_named(DEVICE(&s->armv7m.nvic), "SYSRESETREQ", 0,
+ qemu_allocate_irq(&do_sys_reset, NULL, 0));
+
system_clock_scale = NANOSECONDS_PER_SECOND / s->m3clk;
for (i = 0; i < MSF2_NUM_UARTS; i++) {
--
2.5.0
- [Qemu-devel] [Qemu devel PATCH] msf2: Wire up SYSRESETREQ in SoC for system reset,
Subbaraya Sundeep <=