@@ -643,6 +643,120 @@ int qcom_scm_pas_shutdown(u32 peripheral)
}
EXPORT_SYMBOL(qcom_scm_pas_shutdown);
+/**
+ * qti_scm_int_radio_powerup - Bring up WCSS AHB userpd
+ *
+ * @peripheral: peripheral id
+ *
+ * Return 0 on success.
+ */
+int qti_scm_int_radio_powerup(u32 peripheral)
+{
+ int ret;
+ struct qcom_scm_desc desc = {
+ .svc = QCOM_SCM_PD_LOAD_SVC_ID,
+ .cmd = QCOM_SCM_INT_RAD_PWR_UP_CMD_ID,
+ .arginfo = QCOM_SCM_ARGS(1),
+ .args[0] = peripheral,
+ .owner = ARM_SMCCC_OWNER_SIP,
+ };
+ struct qcom_scm_res res;
+
+ ret = qcom_scm_clk_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_bw_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_call(__scm->dev, &desc, &res);
+ qcom_scm_bw_disable();
+ qcom_scm_clk_disable();
+
+ return ret ? : res.result[0];
+}
+EXPORT_SYMBOL(qti_scm_int_radio_powerup);
+
+/**
+ * qti_scm_int_radio_powerdown() - Shut down WCSS AHB userpd
+ *
+ * @peripheral: peripheral id
+ *
+ * Returns 0 on success.
+ */
+int qti_scm_int_radio_powerdown(u32 peripheral)
+{
+ int ret;
+ struct qcom_scm_desc desc = {
+ .svc = QCOM_SCM_PD_LOAD_SVC_ID,
+ .cmd = QCOM_SCM_INT_RAD_PWR_DN_CMD_ID,
+ .arginfo = QCOM_SCM_ARGS(1),
+ .args[0] = peripheral,
+ .owner = ARM_SMCCC_OWNER_SIP,
+ };
+ struct qcom_scm_res res;
+
+ ret = qcom_scm_clk_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_bw_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_call(__scm->dev, &desc, &res);
+ qcom_scm_bw_disable();
+ qcom_scm_clk_disable();
+
+ return ret ? : res.result[0];
+}
+EXPORT_SYMBOL(qti_scm_int_radio_powerdown);
+
+/**
+ * qti_scm_pdseg_memcpy_v2() - copy userpd PIL segments data to dma blocks
+ *
+ * @peripheral: peripheral id
+ * @phno: program header no
+ * @dma: handle of dma region
+ * @seg_cnt: no of dma blocks
+ *
+ * Returns 0 if trustzone successfully loads userpd PIL segments from dma
+ * blocks to DDR
+ */
+int qti_scm_pdseg_memcpy_v2(u32 peripheral, int phno, dma_addr_t dma,
+ int seg_cnt)
+{
+ int ret;
+ struct qcom_scm_desc desc = {
+ .svc = QCOM_SCM_PD_LOAD_SVC_ID,
+ .cmd = QCOM_SCM_PD_LOAD_V2_CMD_ID,
+ .arginfo = QCOM_SCM_ARGS(4, QCOM_SCM_VAL, QCOM_SCM_VAL,
+ QCOM_SCM_RW, QCOM_SCM_VAL),
+ .args[0] = peripheral,
+ .args[1] = phno,
+ .args[2] = dma,
+ .args[3] = seg_cnt,
+ .owner = ARM_SMCCC_OWNER_SIP,
+ };
+ struct qcom_scm_res res;
+
+ ret = qcom_scm_clk_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_bw_enable();
+ if (ret)
+ return ret;
+
+ ret = qcom_scm_call(__scm->dev, &desc, &res);
+ qcom_scm_bw_disable();
+ qcom_scm_clk_disable();
+
+ return ret ? : res.result[0];
+}
+EXPORT_SYMBOL(qti_scm_pdseg_memcpy_v2);
+
/**
* qcom_scm_pas_supported() - Check if the peripheral authentication service is
* available for the given peripherial
@@ -132,6 +132,12 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc,
#define QCOM_SCM_SMMU_CONFIG_ERRATA1 0x03
#define QCOM_SCM_SMMU_CONFIG_ERRATA1_CLIENT_ALL 0x02
+#define QCOM_SCM_PD_LOAD_SVC_ID 0x2
+#define QCOM_SCM_PD_LOAD_CMD_ID 0x16
+#define QCOM_SCM_PD_LOAD_V2_CMD_ID 0x19
+#define QCOM_SCM_INT_RAD_PWR_UP_CMD_ID 0x17
+#define QCOM_SCM_INT_RAD_PWR_DN_CMD_ID 0x18
+
#define QCOM_SCM_SVC_WAITQ 0x24
#define QCOM_SCM_WAITQ_RESUME 0x02
#define QCOM_SCM_WAITQ_GET_WQ_CTX 0x03
@@ -81,6 +81,9 @@ extern int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr,
extern int qcom_scm_pas_auth_and_reset(u32 peripheral);
extern int qcom_scm_pas_shutdown(u32 peripheral);
extern bool qcom_scm_pas_supported(u32 peripheral);
+int qti_scm_int_radio_powerup(u32 peripheral);
+int qti_scm_int_radio_powerdown(u32 peripheral);
+int qti_scm_pdseg_memcpy_v2(u32 peripheral, int phno, dma_addr_t dma, int seg_cnt);
extern int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val);
extern int qcom_scm_io_writel(phys_addr_t addr, unsigned int val);
Add support to power up, down & load userpd firmware. Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@quicinc.com> --- Changes in V2: - This patch is generated by Strip off SCM code changes from here https://lore.kernel.org/linux-arm-msm/1678164097-13247-9-git-send-email-quic_mmanikan@quicinc.com/ drivers/firmware/qcom_scm.c | 114 +++++++++++++++++++++++++ drivers/firmware/qcom_scm.h | 6 ++ include/linux/firmware/qcom/qcom_scm.h | 3 + 3 files changed, 123 insertions(+) -- 2.17.1