Merge "fix(cpus): workaround for Cortex-A715 erratum 2413290" into integration
diff --git a/docs/design/cpu-specific-build-macros.rst b/docs/design/cpu-specific-build-macros.rst
index 072cf1b..97e164d 100644
--- a/docs/design/cpu-specific-build-macros.rst
+++ b/docs/design/cpu-specific-build-macros.rst
@@ -899,6 +899,11 @@
Cortex-A715 CPU. This needs to be enabled for revisions r0p0 and r1p0. It is
fixed in r1p1.
+- ``ERRATA_A715_2413290``: This applies errata 2413290 workaround to
+ Cortex-A715 CPU. This needs to be enabled only for revision r1p0 and
+ when SPE(Statistical profiling extension)=True. The errata is fixed
+ in r1p1.
+
- ``ERRATA_A715_2420947``: This applies errata 2420947 workaround to
Cortex-A715 CPU. This needs to be enabled only for revision r1p0.
It is fixed in r1p1.
diff --git a/include/lib/cpus/aarch64/cortex_a715.h b/include/lib/cpus/aarch64/cortex_a715.h
index 525187c..c7f50db 100644
--- a/include/lib/cpus/aarch64/cortex_a715.h
+++ b/include/lib/cpus/aarch64/cortex_a715.h
@@ -13,6 +13,11 @@
#define CORTEX_A715_BHB_LOOP_COUNT U(38)
/*******************************************************************************
+ * CPU Auxiliary Control register 1 specific definitions.
+ ******************************************************************************/
+#define CORTEX_A715_CPUACTLR_EL1 S3_0_C15_C1_0
+
+/*******************************************************************************
* CPU Auxiliary Control register 2 specific definitions.
******************************************************************************/
#define CORTEX_A715_CPUACTLR2_EL1 S3_0_C15_C1_1
diff --git a/lib/cpus/aarch64/cortex_a715.S b/lib/cpus/aarch64/cortex_a715.S
index 9e4d78e..6974e5f 100644
--- a/lib/cpus/aarch64/cortex_a715.S
+++ b/lib/cpus/aarch64/cortex_a715.S
@@ -60,6 +60,19 @@
check_erratum_ls cortex_a715, ERRATUM(2344187), CPU_REV(1, 0)
+/* Errata applies only when Static profiling extension is enabled. */
+workaround_reset_start cortex_a715, ERRATUM(2413290), ERRATA_A715_2413290
+ /* Apply the workaround by setting CPUACTLR_EL1[58:57] = 0b11. */
+ mrs x1, id_aa64dfr0_el1
+ ubfx x0, x1, ID_AA64DFR0_PMS_SHIFT, #4
+ cbz x0, 1f
+ sysreg_bit_set CORTEX_A715_CPUACTLR_EL1, BIT(57)
+ sysreg_bit_set CORTEX_A715_CPUACTLR_EL1, BIT(58)
+1:
+workaround_reset_end cortex_a715, ERRATUM(2413290)
+
+check_erratum_range cortex_a715, ERRATUM(2413290), CPU_REV(1,0), CPU_REV(1, 0)
+
workaround_reset_start cortex_a715, ERRATUM(2420947), ERRATA_A715_2420947
sysreg_bit_set CORTEX_A715_CPUACTLR2_EL1, BIT(33)
workaround_reset_end cortex_a715, ERRATUM(2420947)
diff --git a/lib/cpus/cpu-ops.mk b/lib/cpus/cpu-ops.mk
index 2164dac..f5997ae 100644
--- a/lib/cpus/cpu-ops.mk
+++ b/lib/cpus/cpu-ops.mk
@@ -924,6 +924,10 @@
# to revisions r0p0, and r1p0. It is fixed in r1p1.
CPU_FLAG_LIST += ERRATA_A715_2344187
+# Flag to apply erratum 2413290 workaround during reset. This erratum applies
+# only to revision r1p0. It is fixed in r1p1.
+CPU_FLAG_LIST += ERRATA_A715_2413290
+
# Flag to apply erratum 2420947 workaround during reset. This erratum applies
# only to revision r1p0. It is fixed in r1p1.
CPU_FLAG_LIST += ERRATA_A715_2420947
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index 5e9b1d7..569ac3f 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -204,6 +204,7 @@
lib/cpus/aarch64/cortex_a78_ae.S \
lib/cpus/aarch64/cortex_a78c.S \
lib/cpus/aarch64/cortex_a710.S \
+ lib/cpus/aarch64/cortex_a715.S \
lib/cpus/aarch64/neoverse_n_common.S \
lib/cpus/aarch64/neoverse_n1.S \
lib/cpus/aarch64/neoverse_n2.S \