diff options
Diffstat (limited to 'hw/watchdog/wdt_imx2.c')
| -rw-r--r-- | hw/watchdog/wdt_imx2.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/hw/watchdog/wdt_imx2.c b/hw/watchdog/wdt_imx2.c index e776a2fbd4..891d7beb2a 100644 --- a/hw/watchdog/wdt_imx2.c +++ b/hw/watchdog/wdt_imx2.c @@ -17,11 +17,14 @@ #include "hw/qdev-properties.h" #include "hw/watchdog/wdt_imx2.h" +#include "trace.h" static void imx2_wdt_interrupt(void *opaque) { IMX2WdtState *s = IMX2_WDT(opaque); + trace_imx2_wdt_interrupt(); + s->wicr |= IMX2_WDT_WICR_WTIS; qemu_set_irq(s->irq, 1); } @@ -30,6 +33,8 @@ static void imx2_wdt_expired(void *opaque) { IMX2WdtState *s = IMX2_WDT(opaque); + trace_imx2_wdt_expired(); + s->wrsr = IMX2_WDT_WRSR_TOUT; /* Perform watchdog action if watchdog is enabled */ @@ -67,20 +72,29 @@ static void imx2_wdt_reset(DeviceState *dev) static uint64_t imx2_wdt_read(void *opaque, hwaddr addr, unsigned int size) { IMX2WdtState *s = IMX2_WDT(opaque); + uint16_t value = 0; switch (addr) { case IMX2_WDT_WCR: - return s->wcr; + value = s->wcr; + break; case IMX2_WDT_WSR: - return s->wsr; + value = s->wsr; + break; case IMX2_WDT_WRSR: - return s->wrsr; + value = s->wrsr; + break; case IMX2_WDT_WICR: - return s->wicr; + value = s->wicr; + break; case IMX2_WDT_WMCR: - return s->wmcr; + value = s->wmcr; + break; } - return 0; + + trace_imx2_wdt_read(addr, value); + + return value; } static void imx_wdt2_update_itimer(IMX2WdtState *s, bool start) @@ -137,6 +151,8 @@ static void imx2_wdt_write(void *opaque, hwaddr addr, { IMX2WdtState *s = IMX2_WDT(opaque); + trace_imx2_wdt_write(addr, value); + switch (addr) { case IMX2_WDT_WCR: if (s->wcr_locked) { |