Commit db7b98c6 authored by Subbaraya Sundeep's avatar Subbaraya Sundeep Committed by Peter Maydell
Browse files

msf2: Wire up SYSRESETREQ in SoC for system reset 



Implemented system reset by creating SYSRESETREQ gpio
out from nvic.

Signed-off-by: default avatarSubbaraya Sundeep <sundeep.lkml@gmail.com>
Message-id: 1509253165-7434-1-git-send-email-sundeep.lkml@gmail.com
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent cda607d5

hw/arm/msf2-soc.c

+11 −0
Original line number Diff line number Diff line
@@ -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++) {