Message ID | 1662643422-14909-9-git-send-email-quic_srivasam@quicinc.com |
---|---|
State | New |
Headers | show |
Series | [v6,1/8] dt-bindings: remoteproc: qcom: Add SC7280 ADSP support | expand |
On 9/8/22 6:53 PM, Srinivasa Rao Mandadapu wrote: > Update QDSP6 out-of-reset timeout value to 1 second, as sometimes > ADSP boot failing on SC7280 based platforms with existing value. > Also add few micro seconds sleep after enabling boot core > start register. Please do check if the timeout that you hit is due to lack of required clock/bus scaling. If so increasing the timeout would be just an interim hack and might stop working in the future. > > Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com> > Reviewed-by: Stephen Boyd <swboyd@chromium.org> > --- > drivers/remoteproc/qcom_q6v5_adsp.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c > index e55d593..4414e23 100644 > --- a/drivers/remoteproc/qcom_q6v5_adsp.c > +++ b/drivers/remoteproc/qcom_q6v5_adsp.c > @@ -34,7 +34,7 @@ > /* time out value */ > #define ACK_TIMEOUT 1000 > #define ACK_TIMEOUT_US 1000000 > -#define BOOT_FSM_TIMEOUT 10000 > +#define BOOT_FSM_TIMEOUT 1000000 > /* mask values */ > #define EVB_MASK GENMASK(27, 4) > /*QDSP6SS register offsets*/ > @@ -422,13 +422,14 @@ static int adsp_start(struct rproc *rproc) > > /* De-assert QDSP6 stop core. QDSP6 will execute after out of reset */ > writel(LPASS_BOOT_CORE_START, adsp->qdsp6ss_base + CORE_START_REG); > + usleep_range(100, 110); > > /* Trigger boot FSM to start QDSP6 */ > writel(LPASS_BOOT_CMD_START, adsp->qdsp6ss_base + BOOT_CMD_REG); > > /* Wait for core to come out of reset */ > ret = readl_poll_timeout(adsp->qdsp6ss_base + BOOT_STATUS_REG, > - val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT); > + val, (val & BIT(0)) != 0, 100, BOOT_FSM_TIMEOUT); > if (ret) { > dev_err(adsp->dev, "failed to bootup adsp\n"); > goto disable_adsp_clks; >
diff --git a/drivers/remoteproc/qcom_q6v5_adsp.c b/drivers/remoteproc/qcom_q6v5_adsp.c index e55d593..4414e23 100644 --- a/drivers/remoteproc/qcom_q6v5_adsp.c +++ b/drivers/remoteproc/qcom_q6v5_adsp.c @@ -34,7 +34,7 @@ /* time out value */ #define ACK_TIMEOUT 1000 #define ACK_TIMEOUT_US 1000000 -#define BOOT_FSM_TIMEOUT 10000 +#define BOOT_FSM_TIMEOUT 1000000 /* mask values */ #define EVB_MASK GENMASK(27, 4) /*QDSP6SS register offsets*/ @@ -422,13 +422,14 @@ static int adsp_start(struct rproc *rproc) /* De-assert QDSP6 stop core. QDSP6 will execute after out of reset */ writel(LPASS_BOOT_CORE_START, adsp->qdsp6ss_base + CORE_START_REG); + usleep_range(100, 110); /* Trigger boot FSM to start QDSP6 */ writel(LPASS_BOOT_CMD_START, adsp->qdsp6ss_base + BOOT_CMD_REG); /* Wait for core to come out of reset */ ret = readl_poll_timeout(adsp->qdsp6ss_base + BOOT_STATUS_REG, - val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT); + val, (val & BIT(0)) != 0, 100, BOOT_FSM_TIMEOUT); if (ret) { dev_err(adsp->dev, "failed to bootup adsp\n"); goto disable_adsp_clks;