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-rw-r--r--docs/firmware-design.md63
-rw-r--r--fdts/fvp-base-gicv2-psci.dtbbin10082 -> 10106 bytes
-rw-r--r--fdts/fvp-base-gicv2-psci.dts2
-rw-r--r--fdts/fvp-base-gicv2legacy-psci.dtbbin10082 -> 10106 bytes
-rw-r--r--fdts/fvp-base-gicv2legacy-psci.dts2
-rw-r--r--fdts/fvp-base-gicv3-psci.dtbbin10710 -> 10734 bytes
-rw-r--r--fdts/fvp-base-gicv3-psci.dts2
-rw-r--r--fdts/fvp-foundation-gicv2-psci.dtbbin7451 -> 7475 bytes
-rw-r--r--fdts/fvp-foundation-gicv2-psci.dts2
-rw-r--r--fdts/fvp-foundation-gicv2legacy-psci.dtbbin7451 -> 7475 bytes
-rw-r--r--fdts/fvp-foundation-gicv2legacy-psci.dts2
-rw-r--r--fdts/fvp-foundation-gicv3-psci.dtbbin8079 -> 8103 bytes
-rw-r--r--fdts/fvp-foundation-gicv3-psci.dts2
-rw-r--r--include/bl31/services/psci.h4
14 files changed, 45 insertions, 34 deletions
diff --git a/docs/firmware-design.md b/docs/firmware-design.md
index 774ea436..ee76d5c8 100644
--- a/docs/firmware-design.md
+++ b/docs/firmware-design.md
@@ -734,32 +734,43 @@ restoring the stack and CPU state and returning from the original SMC.
TODO: Provide design walkthrough of PSCI implementation.
-The complete PSCI API is not yet implemented. The following functions are
-currently implemented:
-
-- `PSCI_VERSION`
-- `CPU_OFF`
-- `CPU_ON`
-- `CPU_SUSPEND`
-- `AFFINITY_INFO`
-- `SYSTEM_OFF`
-- `SYSTEM_RESET`
-
-The `CPU_ON`, `CPU_OFF` and `CPU_SUSPEND` functions implement the warm boot
-path in ARM Trusted Firmware. `CPU_ON` and `CPU_OFF` have undergone testing
-on all the supported FVPs. `CPU_SUSPEND` & `AFFINITY_INFO` have undergone
-testing only on the AEM v8 Base FVP. Support for `AFFINITY_INFO` is still
-experimental. Support for `CPU_SUSPEND` is stable for entry into power down
-states. Standby states are currently not supported. `PSCI_VERSION` is
-present but completely untested in this version of the software.
-
-The following unsupported functions return with a error code as documented in
-the [Power State Coordination Interface PDD] [PSCI].
-
-- `MIGRATE` : -1 (NOT_SUPPORTED)
-- `MIGRATE_INFO_TYPE` : 2 (Trusted OS is either not present or does not
- require migration)
-- `MIGRATE_INFO_UP_CPU` : 0 (Return value is UNDEFINED)
+The PSCI v1.0 specification categorizes APIs as optional and mandatory. All the
+mandatory APIs in PSCI v1.0 and all the APIs in PSCI v0.2 draft specification
+[Power State Coordination Interface PDD] [PSCI] are implemented. The table lists
+the PSCI v1.0 APIs and their support in generic code.
+
+An API implementation might have a dependency on platform code e.g. CPU_SUSPEND
+requires the platform to export a part of the implementation. Hence the level
+of support of the mandatory APIs depends upon the support exported by the
+platform port as well. The Juno and FVP (all variants) platforms export all the
+required support.
+
+| PSCI v1.0 API |Supported| Comments |
+|:----------------------|:--------|:------------------------------------------|
+|`PSCI_VERSION` | Yes | The version returned is 1.0 |
+|`CPU_SUSPEND` | Yes* | The original `power_state` format is used |
+|`CPU_OFF` | Yes* | |
+|`CPU_ON` | Yes* | |
+|`AFFINITY_INFO` | Yes | |
+|`MIGRATE` | Yes** | |
+|`MIGRATE_INFO_TYPE` | Yes** | |
+|`MIGRATE_INFO_CPU` | Yes** | |
+|`SYSTEM_OFF` | Yes* | |
+|`SYSTEM_RESET` | Yes* | |
+|`PSCI_FEATURES` | Yes | |
+|`CPU_FREEZE` | No | |
+|`CPU_DEFAULT_SUSPEND` | No | |
+|`CPU_HW_STATE` | No | |
+|`SYSTEM_SUSPEND` | No | |
+|`PSCI_SET_SUSPEND_MODE`| No | |
+|`PSCI_STAT_RESIDENCY` | No | |
+|`PSCI_STAT_COUNT` | No | |
+
+*Note : These PSCI APIs require platform power management hooks to be
+registered with the generic PSCI code to be supported.
+
+**Note : These PSCI APIs require appropriate Secure Payload Dispatcher
+hooks to be registered with the generic PSCI code to be supported.
5. Secure-EL1 Payloads and Dispatchers
diff --git a/fdts/fvp-base-gicv2-psci.dtb b/fdts/fvp-base-gicv2-psci.dtb
index ae3b4c55..b8a31ce3 100644
--- a/fdts/fvp-base-gicv2-psci.dtb
+++ b/fdts/fvp-base-gicv2-psci.dtb
Binary files differ
diff --git a/fdts/fvp-base-gicv2-psci.dts b/fdts/fvp-base-gicv2-psci.dts
index 43518a3f..c1c9efbf 100644
--- a/fdts/fvp-base-gicv2-psci.dts
+++ b/fdts/fvp-base-gicv2-psci.dts
@@ -52,7 +52,7 @@
};
psci {
- compatible = "arm,psci";
+ compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
method = "smc";
cpu_suspend = <0xc4000001>;
cpu_off = <0x84000002>;
diff --git a/fdts/fvp-base-gicv2legacy-psci.dtb b/fdts/fvp-base-gicv2legacy-psci.dtb
index 2d23968f..4270623b 100644
--- a/fdts/fvp-base-gicv2legacy-psci.dtb
+++ b/fdts/fvp-base-gicv2legacy-psci.dtb
Binary files differ
diff --git a/fdts/fvp-base-gicv2legacy-psci.dts b/fdts/fvp-base-gicv2legacy-psci.dts
index 06d33e74..7bd5ea26 100644
--- a/fdts/fvp-base-gicv2legacy-psci.dts
+++ b/fdts/fvp-base-gicv2legacy-psci.dts
@@ -52,7 +52,7 @@
};
psci {
- compatible = "arm,psci";
+ compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
method = "smc";
cpu_suspend = <0xc4000001>;
cpu_off = <0x84000002>;
diff --git a/fdts/fvp-base-gicv3-psci.dtb b/fdts/fvp-base-gicv3-psci.dtb
index c2f63ebe..27c3f935 100644
--- a/fdts/fvp-base-gicv3-psci.dtb
+++ b/fdts/fvp-base-gicv3-psci.dtb
Binary files differ
diff --git a/fdts/fvp-base-gicv3-psci.dts b/fdts/fvp-base-gicv3-psci.dts
index 6afa44c7..32e577ad 100644
--- a/fdts/fvp-base-gicv3-psci.dts
+++ b/fdts/fvp-base-gicv3-psci.dts
@@ -52,7 +52,7 @@
};
psci {
- compatible = "arm,psci";
+ compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
method = "smc";
cpu_suspend = <0xc4000001>;
cpu_off = <0x84000002>;
diff --git a/fdts/fvp-foundation-gicv2-psci.dtb b/fdts/fvp-foundation-gicv2-psci.dtb
index df8e629f..5b92e5ee 100644
--- a/fdts/fvp-foundation-gicv2-psci.dtb
+++ b/fdts/fvp-foundation-gicv2-psci.dtb
Binary files differ
diff --git a/fdts/fvp-foundation-gicv2-psci.dts b/fdts/fvp-foundation-gicv2-psci.dts
index 15ff4718..c04d535f 100644
--- a/fdts/fvp-foundation-gicv2-psci.dts
+++ b/fdts/fvp-foundation-gicv2-psci.dts
@@ -52,7 +52,7 @@
};
psci {
- compatible = "arm,psci";
+ compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
method = "smc";
cpu_suspend = <0xc4000001>;
cpu_off = <0x84000002>;
diff --git a/fdts/fvp-foundation-gicv2legacy-psci.dtb b/fdts/fvp-foundation-gicv2legacy-psci.dtb
index ed432541..71f6ae2c 100644
--- a/fdts/fvp-foundation-gicv2legacy-psci.dtb
+++ b/fdts/fvp-foundation-gicv2legacy-psci.dtb
Binary files differ
diff --git a/fdts/fvp-foundation-gicv2legacy-psci.dts b/fdts/fvp-foundation-gicv2legacy-psci.dts
index a923c348..8dba04c1 100644
--- a/fdts/fvp-foundation-gicv2legacy-psci.dts
+++ b/fdts/fvp-foundation-gicv2legacy-psci.dts
@@ -83,7 +83,7 @@
};
idle-states {
- entry-method = "arm,psci";
+ entry-method = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
CPU_SLEEP_0: cpu-sleep-0 {
compatible = "arm,idle-state";
diff --git a/fdts/fvp-foundation-gicv3-psci.dtb b/fdts/fvp-foundation-gicv3-psci.dtb
index 724847c3..d7d9e141 100644
--- a/fdts/fvp-foundation-gicv3-psci.dtb
+++ b/fdts/fvp-foundation-gicv3-psci.dtb
Binary files differ
diff --git a/fdts/fvp-foundation-gicv3-psci.dts b/fdts/fvp-foundation-gicv3-psci.dts
index 49290e4e..48a1afc0 100644
--- a/fdts/fvp-foundation-gicv3-psci.dts
+++ b/fdts/fvp-foundation-gicv3-psci.dts
@@ -52,7 +52,7 @@
};
psci {
- compatible = "arm,psci";
+ compatible = "arm,psci-1.0", "arm,psci-0.2", "arm,psci";
method = "smc";
cpu_suspend = <0xc4000001>;
cpu_off = <0x84000002>;
diff --git a/include/bl31/services/psci.h b/include/bl31/services/psci.h
index 59675810..80bc53b8 100644
--- a/include/bl31/services/psci.h
+++ b/include/bl31/services/psci.h
@@ -115,8 +115,8 @@
/*******************************************************************************
* PSCI version
******************************************************************************/
-#define PSCI_MAJOR_VER (0 << 16)
-#define PSCI_MINOR_VER 0x2
+#define PSCI_MAJOR_VER (1 << 16)
+#define PSCI_MINOR_VER 0x0
/*******************************************************************************
* PSCI error codes
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-23 15:24:46 +0000