diff options
| author | Stuart Henderson <stuarth@opensource.cirrus.com> | 2019-03-19 14:52:15 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-03-19 16:00:40 +0300 |
| commit | 8bc144f90b6c813b2888f34842eba6a06a588429 (patch) | |
| tree | adc81adace551f3dd0940c3f715695cc6ccf4579 | |
| parent | 2ae581380e4da6b1b9eff37cb087e3788ec82c67 (diff) | |
| download | linux-8bc144f90b6c813b2888f34842eba6a06a588429.tar.xz | |
ASoC: wm_adsp: Add WDT expiry IRQ handling support for Halo core
Signed-off-by: Stuart Henderson <stuarth@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/codecs/wm_adsp.c | 29 | ||||
| -rw-r--r-- | sound/soc/codecs/wm_adsp.h | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 3e74cbb80d3c..644aaf1d2740 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -242,6 +242,7 @@ #define HALO_SCRATCH4 0x005d8 #define HALO_CCM_CORE_CONTROL 0x41000 #define HALO_CORE_SOFT_RESET 0x00010 +#define HALO_WDT_CONTROL 0x47000 /* * HALO MPU banks @@ -292,6 +293,11 @@ #define HALO_CORE_SOFT_RESET_MASK 0x00000001 /* + * HALO_WDT_CONTROL + */ +#define HALO_WDT_EN_MASK 0x00000001 + +/* * HALO_MPU_?M_VIO_STATUS */ #define HALO_MPU_VIO_STS_MASK 0x007e0000 @@ -3083,6 +3089,12 @@ static void wm_adsp_stop_watchdog(struct wm_adsp *dsp) ADSP2_WDT_ENA_MASK, 0); } +static void wm_halo_stop_watchdog(struct wm_adsp *dsp) +{ + regmap_update_bits(dsp->regmap, dsp->base + HALO_WDT_CONTROL, + HALO_WDT_EN_MASK, 0); +} + int wm_adsp_early_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { @@ -4379,6 +4391,22 @@ exit_unlock: } EXPORT_SYMBOL_GPL(wm_halo_bus_error); +irqreturn_t wm_halo_wdt_expire(int irq, void *data) +{ + struct wm_adsp *dsp = data; + + mutex_lock(&dsp->pwr_lock); + + adsp_warn(dsp, "WDT Expiry Fault\n"); + wm_halo_stop_watchdog(dsp); + wm_adsp_fatal_error(dsp); + + mutex_unlock(&dsp->pwr_lock); + + return IRQ_HANDLED; +} +EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); + struct wm_adsp_ops wm_adsp1_ops = { .validate_version = wm_adsp_validate_version, .parse_sizes = wm_adsp1_parse_sizes, @@ -4454,6 +4482,7 @@ struct wm_adsp_ops wm_halo_ops = { .region_to_reg = wm_halo_region_to_reg, .show_fw_status = wm_halo_show_fw_status, + .stop_watchdog = wm_halo_stop_watchdog, .lock_memory = wm_halo_configure_mpu, diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h index 521dccbf3a2e..3631c9200c5d 100644 --- a/sound/soc/codecs/wm_adsp.h +++ b/sound/soc/codecs/wm_adsp.h @@ -176,6 +176,7 @@ int wm_adsp_early_event(struct snd_soc_dapm_widget *w, irqreturn_t wm_adsp2_bus_error(struct wm_adsp *adsp); irqreturn_t wm_halo_bus_error(struct wm_adsp *dsp); +irqreturn_t wm_halo_wdt_expire(int irq, void *data); int wm_adsp_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event); |