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Message-Id: <20251228-mss-v1-6-aeb36b1f7a3f@mainlining.org>
Date: Sun, 28 Dec 2025 15:21:56 +0100
From: Barnabás Czémán <barnabas.czeman@...nlining.org>
To: Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Stephan Gerhold <stephan@...hold.net>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Barnabás Czémán <barnabas.czeman@...nlining.org>
Subject: [PATCH 6/8] remoteproc: qcom_q6v5_mss: Add MSM8937
Add support for MSM8937 MSS it similar to MSM8917 MSS.
It differs primarily in that TZ needs to be informed of
the modem start address and pas_id.
Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
---
drivers/remoteproc/qcom_q6v5_mss.c | 49 +++++++++++++++++++++++++++++++++++---
1 file changed, 46 insertions(+), 3 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 2579558fb567..2ffcea7dbc79 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -261,6 +261,7 @@ enum {
MSS_MSM8916,
MSS_MSM8917,
MSS_MSM8926,
+ MSS_MSM8937,
MSS_MSM8953,
MSS_MSM8974,
MSS_MSM8996,
@@ -751,6 +752,7 @@ static int q6v5proc_reset(struct q6v5 *qproc)
} else if (qproc->version == MSS_MDM9607 ||
qproc->version == MSS_MSM8909 ||
qproc->version == MSS_MSM8917 ||
+ qproc->version == MSS_MSM8937 ||
qproc->version == MSS_MSM8953 ||
qproc->version == MSS_MSM8996 ||
qproc->version == MSS_MSM8998 ||
@@ -758,7 +760,8 @@ static int q6v5proc_reset(struct q6v5 *qproc)
/* Override the ACC value if required */
if (qproc->version == MSS_MDM9607 ||
- qproc->version == MSS_MSM8917)
+ qproc->version == MSS_MSM8917 ||
+ qproc->version == MSS_MSM8937)
writel(QDSP6SS_ACC_OVERRIDE_VAL_9607,
qproc->reg_base + QDSP6SS_STRAP_ACC);
else if (qproc->version != MSS_MSM8909 &&
@@ -821,6 +824,7 @@ static int q6v5proc_reset(struct q6v5 *qproc)
/* Turn on L1, L2, ETB and JU memories 1 at a time */
if (qproc->version == MSS_MDM9607 ||
qproc->version == MSS_MSM8917 ||
+ qproc->version == MSS_MSM8937 ||
qproc->version == MSS_MSM8953 ||
qproc->version == MSS_MSM8996) {
mem_pwr_ctl = QDSP6SS_MEM_PWR_CTL;
@@ -831,7 +835,8 @@ static int q6v5proc_reset(struct q6v5 *qproc)
* "inrush current" issues.
*/
if (qproc->version == MSS_MDM9607 ||
- qproc->version == MSS_MSM8917)
+ qproc->version == MSS_MSM8917 ||
+ qproc->version == MSS_MSM8937)
reverse = 6;
} else {
/* MSS_MSM8998, MSS_SDM660 */
@@ -1466,7 +1471,8 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
max_addr = ALIGN(phdr->p_paddr + phdr->p_memsz, SZ_4K);
}
- if (qproc->version == MSS_MSM8953) {
+ if (qproc->version == MSS_MSM8937 ||
+ qproc->version == MSS_MSM8953) {
ret = qcom_scm_pas_mem_setup(MPSS_PAS_ID, qproc->mpss_phys, qproc->mpss_size);
if (ret) {
dev_err(qproc->dev,
@@ -2579,6 +2585,42 @@ static const struct rproc_hexagon_res msm8917_mss = {
.version = MSS_MSM8917,
};
+static const struct rproc_hexagon_res msm8937_mss = {
+ .hexagon_mba_image = "mba.mbn",
+ .proxy_supply = (struct qcom_mss_reg_res[]) {
+ {
+ .supply = "pll",
+ .uA = 100000,
+ },
+ {}
+ },
+ .proxy_clk_names = (char*[]){
+ "xo",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "iface",
+ "bus",
+ "mem",
+ NULL
+ },
+ .proxy_pd_names = (char*[]) {
+ "cx",
+ "mx",
+ "mss",
+ NULL
+ },
+ .need_mem_protection = false,
+ .has_alt_reset = false,
+ .has_mba_logs = false,
+ .has_spare_reg = false,
+ .has_qaccept_regs = false,
+ .has_ext_bhs_reg = false,
+ .has_ext_cntl_regs = false,
+ .has_vq6 = false,
+ .version = MSS_MSM8937,
+};
+
static const struct rproc_hexagon_res msm8953_mss = {
.hexagon_mba_image = "mba.mbn",
.proxy_supply = (struct qcom_mss_reg_res[]) {
@@ -2760,6 +2802,7 @@ static const struct of_device_id q6v5_of_match[] = {
{ .compatible = "qcom,msm8916-mss-pil", .data = &msm8916_mss},
{ .compatible = "qcom,msm8917-mss-pil", .data = &msm8917_mss},
{ .compatible = "qcom,msm8926-mss-pil", .data = &msm8926_mss},
+ { .compatible = "qcom,msm8937-mss-pil", .data = &msm8937_mss},
{ .compatible = "qcom,msm8953-mss-pil", .data = &msm8953_mss},
{ .compatible = "qcom,msm8974-mss-pil", .data = &msm8974_mss},
{ .compatible = "qcom,msm8996-mss-pil", .data = &msm8996_mss},
--
2.52.0
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