feat(smccc): add bit definition for SMCCC_ARCH_SOC_ID
The definitions of SMCCC_ARCH_SOC_ID SoC version return bits are defined
in SMC Calling Convention [1]. Add the masks and shifts for JEP-106 bank
index, JEP-106 identification code, and Implementation defined SoC ID.
Add a macro to easily set JEP-106 fields.
[1] https://developer.arm.com/documentation/den0028/latest/
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Change-Id: Iecbd09f6de6728de89dc746d2d1981a5a97a8ab7
diff --git a/include/lib/smccc.h b/include/lib/smccc.h
index 470317d..deaeb1d 100644
--- a/include/lib/smccc.h
+++ b/include/lib/smccc.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2016-2021, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -51,6 +51,23 @@
FUNCID_OEN_MASK)
/*******************************************************************************
+ * SMCCC_ARCH_SOC_ID SoC version & revision bit definition
+ ******************************************************************************/
+#define SOC_ID_JEP_106_BANK_IDX_MASK GENMASK_32(30, 24)
+#define SOC_ID_JEP_106_BANK_IDX_SHIFT U(24)
+#define SOC_ID_JEP_106_ID_CODE_MASK GENMASK_32(23, 16)
+#define SOC_ID_JEP_106_ID_CODE_SHIFT U(16)
+#define SOC_ID_IMPL_DEF_MASK GENMASK_32(15, 0)
+#define SOC_ID_IMPL_DEF_SHIFT U(0)
+#define SOC_ID_SET_JEP_106(bkid, mfid) ((((bkid) << SOC_ID_JEP_106_BANK_IDX_SHIFT) & \
+ SOC_ID_JEP_106_BANK_IDX_MASK) | \
+ (((mfid) << SOC_ID_JEP_106_ID_CODE_SHIFT) & \
+ SOC_ID_JEP_106_ID_CODE_MASK))
+
+#define SOC_ID_REV_MASK GENMASK_32(30, 0)
+#define SOC_ID_REV_SHIFT U(0)
+
+/*******************************************************************************
* Owning entity number definitions inside the function id as per the SMC
* calling convention
******************************************************************************/