openwrt-pf/target/linux/qualcommax/patches-6.12/0808-remoteproc-qcom-wcss-sec-add-split-firmware-support.patch
Julius Bairaktaris 9f2dec7ef9
qualcommax: restore files for v6.12
This is an automatically generated commit which aids following Kernel patch
history, as git will see the move and copy as a rename thus defeating the
purpose.

For the original discussion see:
https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html

Signed-off-by: Julius Bairaktaris <julius@bairaktaris.de>
Link: https://github.com/openwrt/openwrt/pull/24031
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>
2026-07-27 09:34:37 +02:00

102 lines
2.9 KiB
Diff

From: George Moussalem <george.moussalem@outlook.com>
Date: Tue, 21 Oct 2025 15:26:31 +0400
Subject: [PATCH] remoteproc: qcom: wcss-sec: add split firmware support
The driver currently expects only one firmware file to be loaded as part
of bringing up WCSS. For IPQ5018 and QCN6122, multiple firmware files are
required, both the q6 and m3 firmware files. As such, add support for
loading up to 3 firmware files.
Signed-off-by: George Moussalem <george.moussalem@outlook.com>
---
--- a/drivers/remoteproc/qcom_q6v5_wcss_sec.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss_sec.c
@@ -25,6 +25,8 @@
#define Q6_WAIT_TIMEOUT (5 * HZ)
+#define MAX_FIRMWARE 3
+
struct wcss_sec {
struct device *dev;
struct qcom_rproc_glink glink_subdev;
@@ -35,6 +37,7 @@ struct wcss_sec {
void *mem_region;
size_t mem_size;
const struct wcss_data *desc;
+ const char **firmware;
struct mbox_client mbox_client;
struct mbox_chan *mbox_chan;
@@ -137,7 +140,8 @@ static int wcss_sec_load(struct rproc *r
{
struct wcss_sec *wcss = rproc->priv;
struct device *dev = wcss->dev;
- int ret;
+ const struct firmware *fw_hdl;
+ int i, ret;
if (wcss->desc->use_tmelcom) {
wcss->metadata = qcom_mdt_read_metadata(fw, &wcss->metadata_len,
@@ -161,6 +165,28 @@ static int wcss_sec_load(struct rproc *r
wcss->mem_phys, wcss->mem_size, &wcss->mem_reloc);
if (ret)
return ret;
+
+ for (i = 1; i < MAX_FIRMWARE; i++) {
+ if (!wcss->firmware[i])
+ continue;
+
+ ret = request_firmware(&fw_hdl, wcss->firmware[i], dev);
+
+ if (ret)
+ continue;
+
+ ret = qcom_mdt_load_no_init(dev, fw_hdl, wcss->firmware[i], 0,
+ wcss->mem_region, wcss->mem_phys,
+ wcss->mem_size, &wcss->mem_reloc);
+
+ release_firmware(fw_hdl);
+
+ if (ret) {
+ dev_err(dev, "error %d loading firmware %s\n",
+ ret, wcss->firmware[i]);
+ return ret;
+ }
+ }
}
qcom_pil_info_store("wcss", wcss->mem_phys, wcss->mem_size);
@@ -291,17 +317,20 @@ static int wcss_sec_probe(struct platfor
struct wcss_sec *wcss;
struct clk *sleep_clk;
struct clk *int_clk;
- const char *fw_name = NULL;
+ const char **firmware = NULL;
const struct wcss_data *desc = of_device_get_match_data(&pdev->dev);
int ret;
- ret = of_property_read_string(pdev->dev.of_node, "firmware-name",
- &fw_name);
+ firmware = devm_kcalloc(&pdev->dev, MAX_FIRMWARE,
+ sizeof(*firmware), GFP_KERNEL);
+
+ ret = of_property_read_string_array(pdev->dev.of_node, "firmware-name",
+ firmware, MAX_FIRMWARE);
if (ret < 0)
return ret;
rproc = devm_rproc_alloc(&pdev->dev, desc->ss_name, &wcss_sec_ops,
- fw_name, sizeof(*wcss));
+ firmware[0], sizeof(*wcss));
if (!rproc) {
dev_err(&pdev->dev, "failed to allocate rproc\n");
return -ENOMEM;
@@ -310,6 +339,7 @@ static int wcss_sec_probe(struct platfor
wcss = rproc->priv;
wcss->dev = &pdev->dev;
wcss->desc = desc;
+ wcss->firmware = firmware;
ret = wcss_sec_alloc_memory_region(wcss);
if (ret)