From: Franck LENORMAND
This patch adds the APIs:
- imx_sc_seco_build_info: get commit and sha of SECO
- imx_sc_seco_secvio_enable: enable SNVS IRQ handling
- imx_sc_seco_secvio_config: configure SNVS register
- imx_sc_seco_secvio_dgo_config: configure SNVS DGO register
Signed-off-by: Franck LENORMAND
---
drivers/firmware/imx/Makefile | 2 +-
drivers/firmware/imx/imx-scu.c| 8 +-
drivers/firmware/imx/seco.c | 253 ++
include/linux/firmware/imx/ipc.h | 1 +
include/linux/firmware/imx/sci.h | 1 +
include/linux/firmware/imx/svc/seco.h | 73 ++
6 files changed, 334 insertions(+), 4 deletions(-)
create mode 100644 drivers/firmware/imx/seco.c
create mode 100644 include/linux/firmware/imx/svc/seco.h
diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile
index b76acba..f23e2b0 100644
--- a/drivers/firmware/imx/Makefile
+++ b/drivers/firmware/imx/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_IMX_DSP) += imx-dsp.o
-obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o
imx-scu-soc.o
+obj-$(CONFIG_IMX_SCU) += imx-scu.o misc.o imx-scu-irq.o rm.o
imx-scu-soc.o seco.o
obj-$(CONFIG_IMX_SCU_PD) += scu-pd.o
diff --git a/drivers/firmware/imx/imx-scu.c b/drivers/firmware/imx/imx-scu.c
index dca79ca..bf768d2 100644
--- a/drivers/firmware/imx/imx-scu.c
+++ b/drivers/firmware/imx/imx-scu.c
@@ -241,9 +241,11 @@ int imx_scu_call_rpc(struct imx_sc_ipc *sc_ipc, void *msg,
bool have_resp)
* APIs are defined as void function in SCU firmware, so they
* should be treated as return success always.
*/
- if ((saved_svc == IMX_SC_RPC_SVC_MISC) &&
- (saved_func == IMX_SC_MISC_FUNC_UNIQUE_ID ||
-saved_func == IMX_SC_MISC_FUNC_GET_BUTTON_STATUS))
+ if ((saved_svc == IMX_SC_RPC_SVC_MISC &&
+(saved_func == IMX_SC_MISC_FUNC_UNIQUE_ID ||
+ saved_func == IMX_SC_MISC_FUNC_GET_BUTTON_STATUS)) ||
+ (saved_svc == IMX_SC_RPC_SVC_SECO &&
+(saved_func == IMX_SC_SECO_FUNC_BUILD_INFO)))
ret = 0;
}
diff --git a/drivers/firmware/imx/seco.c b/drivers/firmware/imx/seco.c
new file mode 100644
index 000..fd11bd4
--- /dev/null
+++ b/drivers/firmware/imx/seco.c
@@ -0,0 +1,253 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 NXP
+ *
+ * File containing client-side RPC functions for the SECO service. These
+ * functions are ported to clients that communicate to the SC.
+ */
+
+#include
+
+struct imx_sc_msg_seco_get_build_id {
+ struct imx_sc_rpc_msg hdr;
+ u32 version;
+ u32 commit;
+};
+
+/**
+ * imx_sc_seco_build_info() - Get version and commit ID of the SECO
+ *
+ * @ipc: IPC handle
+ * @version: Version of the SECO
+ * @commit: Commit ID of the SECO
+ *
+ * @return Returns 0 for success and < 0 for errors
+ */
+int imx_sc_seco_build_info(struct imx_sc_ipc *ipc, uint32_t *version,
+ uint32_t *commit)
+{
+ int ret;
+ struct imx_sc_msg_seco_get_build_id msg;
+ struct imx_sc_rpc_msg *hdr =
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_SECO;
+ hdr->func = IMX_SC_SECO_FUNC_BUILD_INFO;
+ hdr->size = 1;
+
+ ret = imx_scu_call_rpc(ipc, , true);
+ if (ret)
+ return ret;
+
+ if (version)
+ *version = msg.version;
+ if (commit)
+ *commit = msg.commit;
+
+ return 0;
+}
+EXPORT_SYMBOL(imx_sc_seco_build_info);
+
+/**
+ * imx_sc_seco_secvio_enable() - Enable the processing of secvio IRQ from the
+ * SNVS by the SECO
+ *
+ * @ipc: IPC handle
+ *
+ * @return Returns 0 for success and < 0 for errors
+ */
+int imx_sc_seco_secvio_enable(struct imx_sc_ipc *ipc)
+{
+ struct imx_sc_rpc_msg msg;
+ int ret;
+
+ msg.ver = IMX_SC_RPC_VERSION;
+ msg.svc = IMX_SC_RPC_SVC_SECO;
+ msg.func = IMX_SC_SECO_FUNC_SECVIO_ENABLE;
+ msg.size = 1;
+
+ ret = imx_scu_call_rpc(ipc, , true);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL(imx_sc_seco_secvio_enable);
+
+struct imx_sc_msg_seco_config {
+ struct imx_sc_rpc_msg hdr;
+ union {
+ struct req_seco_config {
+ u32 data0;
+ u32 data1;
+ u32 data2;
+ u32 data3;
+ u32 data4;
+ u8 id;
+ u8 access;
+ u8 size;
+ } __packed __aligned(4) req;
+ struct resp_seco_config {
+ u32 data0;
+ u32 data1;
+ u32 data2;
+ u32 data3;
+
