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authorRonak Jain <ronak.jain@amd.com>2024-09-19 22:55:01 -0700
committerMichal Simek <michal.simek@amd.com>2024-10-02 12:54:45 +0200
commit92fb71333d5737d0296fb968a653dfda4b225175 (patch)
tree727e53c21fe616dc2ee7b9f032624fe43674308b /include/linux/firmware
parente8415a8aecdb73cadfcfd1f1e1307d84413a5eb8 (diff)
firmware: xilinx: add support for new SMC call format
Added zynqmp_pm_invoke_fw_fn() to use new SMC format in which lower 12 bits of SMC id are fixed and firmware header is moved to subsequent SMC arguments. The new SMC format supports full request and response buffers. Added zynqmp_pm_get_sip_svc_version() to get SiP SVC version number to check if TF-A is newer or older and use the SMC format accordingly to handle backward compatibility. Used new SMC format for PM_QUERY_DATA API as more response values are required in it. Signed-off-by: Ronak Jain <ronak.jain@amd.com> Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com> Link: https://lore.kernel.org/r/20240920055501.2658642-1-ronak.jain@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'include/linux/firmware')
-rw-r--r--include/linux/firmware/xlnx-zynqmp.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index 5b938fc2adad..76d85ad82ec0 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -3,7 +3,7 @@
* Xilinx Zynq MPSoC Firmware layer
*
* Copyright (C) 2014-2021 Xilinx
- * Copyright (C) 2022 - 2023, Advanced Micro Devices, Inc.
+ * Copyright (C) 2022 - 2024, Advanced Micro Devices, Inc.
*
* Michal Simek <michal.simek@amd.com>
* Davorin Mista <davorin.mista@aggios.com>
@@ -32,6 +32,19 @@
/* SMC SIP service Call Function Identifier Prefix */
#define PM_SIP_SVC 0xC2000000
+/* SMC function ID to get SiP SVC version */
+#define GET_SIP_SVC_VERSION (0x8200ff03U)
+
+/* SiP Service Calls version numbers */
+#define SIP_SVC_VERSION_MAJOR (0U)
+#define SIP_SVC_VERSION_MINOR (2U)
+
+#define SIP_SVC_PASSTHROUGH_VERSION ((SIP_SVC_VERSION_MAJOR << 16) | \
+ SIP_SVC_VERSION_MINOR)
+
+/* Fixed ID for FW specific APIs */
+#define PASS_THROUGH_FW_CMD_ID GENMASK(11, 0)
+
/* PM API versions */
#define PM_API_VERSION_1 1
#define PM_API_VERSION_2 2
@@ -51,6 +64,7 @@
#define API_ID_MASK GENMASK(7, 0)
#define MODULE_ID_MASK GENMASK(11, 8)
+#define PLM_MODULE_ID_MASK GENMASK(15, 8)
/* Firmware feature check version mask */
#define FIRMWARE_VERSION_MASK 0xFFFFU
@@ -62,7 +76,13 @@
#define GET_CALLBACK_DATA 0xa01
/* Number of 32bits values in payload */
-#define PAYLOAD_ARG_CNT 4U
+#define PAYLOAD_ARG_CNT 7U
+
+/* Number of 64bits arguments for SMC call */
+#define SMC_ARG_CNT_64 8U
+
+/* Number of 32bits arguments for SMC call */
+#define SMC_ARG_CNT_32 13U
/* Number of arguments for a callback */
#define CB_ARG_CNT 4
@@ -130,6 +150,7 @@
enum pm_module_id {
PM_MODULE_ID = 0x0,
+ XPM_MODULE_ID = 0x2,
XSEM_MODULE_ID = 0x3,
TF_A_MODULE_ID = 0xa,
};
@@ -537,6 +558,7 @@ struct zynqmp_pm_query_data {
};
int zynqmp_pm_invoke_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...);
+int zynqmp_pm_invoke_fw_fn(u32 pm_api_id, u32 *ret_payload, u32 num_args, ...);
#if IS_REACHABLE(CONFIG_ZYNQMP_FIRMWARE)
int zynqmp_pm_get_api_version(u32 *version);