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.
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@xxxxxxxxxxx>
---
Changes since V1:
-- Fix typo error.
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 f81da47..18a6bf6 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*/
@@ -468,13 +468,14 @@ 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;
--
2.7.4
