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Diffstat (limited to 'include/linux/intel-smc.h')
-rw-r--r--include/linux/intel-smc.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/intel-smc.h b/include/linux/intel-smc.h
index a54eff43add..6455335bae4 100644
--- a/include/linux/intel-smc.h
+++ b/include/linux/intel-smc.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2017-2018, Intel Corporation
+ * Copyright (C) 2025 Altera Corporation <www.altera.com>
*/
#ifndef __INTEL_SMC_H
@@ -482,10 +483,16 @@ INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FPGA_CONFIG_COMPLETED_WRITE)
* Call register usage:
* a0 INTEL_SIP_SMC_HPS_SET_BRIDGES
* a1 Set bridges status:
- * 0 - Disable
- * 1 - Enable
- * a2-7 not used
- *
+ * Bit 0: 0 - Disable, 1 - Enable
+ * Bit 1: 1 - Has mask value in a2
+ * a2 Mask value
+ * Bit 0: soc2fpga
+ * Bit 1: lwhps2fpga
+ * Bit 2: fpga2soc
+ * Bit 3: f2sdram0 (For Stratix 10 only)
+ * Bit 4: f2sdram1 (For Stratix 10 only)
+ * Bit 5: f2sdram2 (For Stratix 10 only)
+ * a3-7 not used
* Return status
* a0 INTEL_SIP_SMC_STATUS_OK
*/