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@xxxxxxxxxxx>
Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---
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;
