diff options
Diffstat (limited to 'target/linux/ipq807x/patches-5.15/0112-remoteproc-qcom-Add-PRNG-proxy-clock.patch')
| -rw-r--r-- | target/linux/ipq807x/patches-5.15/0112-remoteproc-qcom-Add-PRNG-proxy-clock.patch | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/target/linux/ipq807x/patches-5.15/0112-remoteproc-qcom-Add-PRNG-proxy-clock.patch b/target/linux/ipq807x/patches-5.15/0112-remoteproc-qcom-Add-PRNG-proxy-clock.patch new file mode 100644 index 0000000000..2124bfa3f1 --- /dev/null +++ b/target/linux/ipq807x/patches-5.15/0112-remoteproc-qcom-Add-PRNG-proxy-clock.patch @@ -0,0 +1,155 @@ +From 125681433c8e526356947acf572fe8ca8ad32291 Mon Sep 17 00:00:00 2001 +From: Gokul Sriram Palanisamy <gokulsri@codeaurora.org> +Date: Sat, 30 Jan 2021 10:50:05 +0530 +Subject: [PATCH] remoteproc: qcom: Add PRNG proxy clock + +PRNG clock is needed by the secure PIL, support for the same +is added in subsequent patches. + +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> +--- + drivers/remoteproc/qcom_q6v5_wcss.c | 65 +++++++++++++++++++++-------- + 1 file changed, 47 insertions(+), 18 deletions(-) + +--- a/drivers/remoteproc/qcom_q6v5_wcss.c ++++ b/drivers/remoteproc/qcom_q6v5_wcss.c +@@ -91,19 +91,6 @@ enum { + WCSS_QCS404, + }; + +-struct wcss_data { +- const char *firmware_name; +- unsigned int crash_reason_smem; +- u32 version; +- bool aon_reset_required; +- bool wcss_q6_reset_required; +- const char *ssr_name; +- const char *sysmon_name; +- int ssctl_id; +- const struct rproc_ops *ops; +- bool requires_force_stop; +-}; +- + struct q6v5_wcss { + struct device *dev; + +@@ -128,6 +115,7 @@ struct q6v5_wcss { + struct clk *qdsp6ss_xo_cbcr; + struct clk *qdsp6ss_core_gfmux; + struct clk *lcc_bcr_sleep; ++ struct clk *prng_clk; + struct regulator *cx_supply; + struct qcom_sysmon *sysmon; + +@@ -151,6 +139,21 @@ struct q6v5_wcss { + struct qcom_rproc_ssr ssr_subdev; + }; + ++struct wcss_data { ++ int (*init_clock)(struct q6v5_wcss *wcss); ++ int (*init_regulator)(struct q6v5_wcss *wcss); ++ const char *firmware_name; ++ unsigned int crash_reason_smem; ++ u32 version; ++ bool aon_reset_required; ++ bool wcss_q6_reset_required; ++ const char *ssr_name; ++ const char *sysmon_name; ++ int ssctl_id; ++ const struct rproc_ops *ops; ++ bool requires_force_stop; ++}; ++ + static int q6v5_wcss_reset(struct q6v5_wcss *wcss) + { + int ret; +@@ -240,6 +243,12 @@ static int q6v5_wcss_start(struct rproc + struct q6v5_wcss *wcss = rproc->priv; + int ret; + ++ ret = clk_prepare_enable(wcss->prng_clk); ++ if (ret) { ++ dev_err(wcss->dev, "prng clock enable failed\n"); ++ return ret; ++ } ++ + qcom_q6v5_prepare(&wcss->q6v5); + + /* Release Q6 and WCSS reset */ +@@ -733,6 +742,7 @@ static int q6v5_wcss_stop(struct rproc * + return ret; + } + ++ clk_disable_unprepare(wcss->prng_clk); + qcom_q6v5_unprepare(&wcss->q6v5); + + return 0; +@@ -900,7 +910,21 @@ static int q6v5_alloc_memory_region(stru + return 0; + } + +-static int q6v5_wcss_init_clock(struct q6v5_wcss *wcss) ++static int ipq8074_init_clock(struct q6v5_wcss *wcss) ++{ ++ int ret; ++ ++ wcss->prng_clk = devm_clk_get(wcss->dev, "prng"); ++ if (IS_ERR(wcss->prng_clk)) { ++ ret = PTR_ERR(wcss->prng_clk); ++ if (ret != -EPROBE_DEFER) ++ dev_err(wcss->dev, "Failed to get prng clock\n"); ++ return ret; ++ } ++ return 0; ++} ++ ++static int qcs404_init_clock(struct q6v5_wcss *wcss) + { + int ret; + +@@ -990,7 +1014,7 @@ static int q6v5_wcss_init_clock(struct q + return 0; + } + +-static int q6v5_wcss_init_regulator(struct q6v5_wcss *wcss) ++static int qcs404_init_regulator(struct q6v5_wcss *wcss) + { + wcss->cx_supply = devm_regulator_get(wcss->dev, "cx"); + if (IS_ERR(wcss->cx_supply)) +@@ -1034,12 +1058,14 @@ static int q6v5_wcss_probe(struct platfo + if (ret) + goto free_rproc; + +- if (wcss->version == WCSS_QCS404) { +- ret = q6v5_wcss_init_clock(wcss); ++ if (desc->init_clock) { ++ ret = desc->init_clock(wcss); + if (ret) + goto free_rproc; ++ } + +- ret = q6v5_wcss_init_regulator(wcss); ++ if (desc->init_regulator) { ++ ret = desc->init_regulator(wcss); + if (ret) + goto free_rproc; + } +@@ -1086,6 +1112,7 @@ static int q6v5_wcss_remove(struct platf + } + + static const struct wcss_data wcss_ipq8074_res_init = { ++ .init_clock = ipq8074_init_clock, + .firmware_name = "IPQ8074/q6_fw.mdt", + .crash_reason_smem = WCSS_CRASH_REASON, + .aon_reset_required = true, +@@ -1095,6 +1122,8 @@ static const struct wcss_data wcss_ipq80 + }; + + static const struct wcss_data wcss_qcs404_res_init = { ++ .init_clock = qcs404_init_clock, ++ .init_regulator = qcs404_init_regulator, + .crash_reason_smem = WCSS_CRASH_REASON, + .firmware_name = "wcnss.mdt", + .version = WCSS_QCS404, |