diff mbox series

[V4,03/10] remoteproc: qcom: Add support for split q6 + m3 wlan firmware

Message ID 1576685146-17135-4-git-send-email-gokulsri@codeaurora.org (mailing list archive)
State New, archived
Headers show
Series remoteproc: qcom: q6v5-wcss: Add support for secure pil | expand

Commit Message

Gokul Sriram Palanisamy Dec. 18, 2019, 4:05 p.m. UTC 
IPQ8074 supports split firmware for q6 and m3 as well.
So add support for loading the m3 firmware before q6.
Now the drivers works fine for both split and unified
firmwares.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Nikhil Prakash V <nprakash@codeaurora.org>
---
changes since v1: none
---
 drivers/remoteproc/qcom_q6v5_wcss.c | 34 ++++++++++++++++++++++++++++++----
 1 file changed, 30 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index 97e01f43..da0ce97 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -142,12 +142,14 @@  struct q6v5_wcss {
 	u32 version;
 	bool requires_force_stop;
 	bool need_mem_protection;
+	const char *m3_firmware_name;
 };
 
 struct wcss_data {
 	int (*init_clock)(struct q6v5_wcss *wcss);
 	int (*init_regulator)(struct q6v5_wcss *wcss);
-	const char *firmware_name;
+	const char *q6_firmware_name;
+	const char *m3_firmware_name;
 	int crash_reason_smem;
 	u32 version;
 	bool aon_reset_required;
@@ -788,7 +790,29 @@  static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len)
 static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw)
 {
 	struct q6v5_wcss *wcss = rproc->priv;
+	const struct firmware *m3_fw;
+	int ret;
+
+	if (wcss->m3_firmware_name) {
+		ret = request_firmware(&m3_fw, wcss->m3_firmware_name,
+				       wcss->dev);
+		if (ret)
+			goto skip_m3;
+
+		ret = qcom_mdt_load_no_init(wcss->dev, m3_fw,
+					    wcss->m3_firmware_name, 0,
+					    wcss->mem_region, wcss->mem_phys,
+					    wcss->mem_size, &wcss->mem_reloc);
+
+		release_firmware(m3_fw);
+
+		if (ret) {
+			dev_err(wcss->dev, "can't load m3_fw.bXX\n");
+			return ret;
+		}
+	}
 
+skip_m3:
 	if (wcss->need_mem_protection)
 		return qcom_mdt_load(wcss->dev, fw, rproc->firmware,
 				     WCNSS_PAS_ID, wcss->mem_region,
@@ -1061,7 +1085,7 @@  static int q6v5_wcss_probe(struct platform_device *pdev)
 		return -EPROBE_DEFER;
 
 	rproc = rproc_alloc(&pdev->dev, pdev->name, desc->ops,
-			    desc->firmware_name, sizeof(*wcss));
+			    desc->q6_firmware_name, sizeof(*wcss));
 	if (!rproc) {
 		dev_err(&pdev->dev, "failed to allocate rproc\n");
 		return -ENOMEM;
@@ -1074,6 +1098,7 @@  static int q6v5_wcss_probe(struct platform_device *pdev)
 	wcss->version = desc->version;
 	wcss->requires_force_stop = desc->requires_force_stop;
 	wcss->need_mem_protection = desc->need_mem_protection;
+	wcss->m3_firmware_name = desc->m3_firmware_name;
 
 	ret = q6v5_wcss_init_mmio(wcss, pdev);
 	if (ret)
@@ -1136,7 +1161,8 @@  static int q6v5_wcss_remove(struct platform_device *pdev)
 
 static const struct wcss_data wcss_ipq8074_res_init = {
 	.init_clock = ipq8074_init_clock,
-	.firmware_name = "IPQ8074/q6_fw.mdt",
+	.q6_firmware_name = "IPQ8074/q6_fw.mdt",
+	.m3_firmware_name = "IPQ8074/m3_fw.mdt",
 	.crash_reason_smem = WCSS_CRASH_REASON,
 	.aon_reset_required = true,
 	.wcss_q6_reset_required = true,
@@ -1149,7 +1175,7 @@  static int q6v5_wcss_remove(struct platform_device *pdev)
 	.init_clock = qcs404_init_clock,
 	.init_regulator = qcs404_init_regulator,
 	.crash_reason_smem = WCSS_CRASH_REASON,
-	.firmware_name = "wcnss.mdt",
+	.q6_firmware_name = "wcnss.mdt",
 	.version = WCSS_QCS404,
 	.aon_reset_required = false,
 	.wcss_q6_reset_required = false,