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msf2: Wire up SYSRESETREQ in SoC for system reset

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Implemented system reset by creating SYSRESETREQ gpio
out from nvic.

Signed-off-by: Subbaraya Sundeep <sundeep.lkml@gmail.com>
Message-id: 1509253165-7434-1-git-send-email-sundeep.lkml@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Subbaraya Sundeep 2017-10-31 11:50:52 +00:00 committed by Peter Maydell
parent cda607d5e0
commit db7b98c6bb
1 changed files with 11 additions and 0 deletions
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11
hw/arm/msf2-soc.c
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@ -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++) {