feat(cpufeat): add AArch32 PAN detection support
FEAT_PAN is implemented in AArch32 as well, provide the helper functions
to query the feature availability at runtime.
Change-Id: I375e3eb7b05955ea28a092ba99bb93302af48a0e
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/include/arch/aarch32/arch.h b/include/arch/aarch32/arch.h
index 227f058..c8a6334 100644
--- a/include/arch/aarch32/arch.h
+++ b/include/arch/aarch32/arch.h
@@ -119,6 +119,10 @@
#define ID_DFR1_MTPMU_MASK U(0xf)
#define ID_DFR1_MTPMU_SUPPORTED U(1)
+/* ID_MMFR3 definitions */
+#define ID_MMFR3_PAN_SHIFT U(16)
+#define ID_MMFR3_PAN_MASK U(0xf)
+
/* ID_MMFR4 definitions */
#define ID_MMFR4_CNP_SHIFT U(12)
#define ID_MMFR4_CNP_LENGTH U(4)
@@ -533,6 +537,7 @@
#define DCISW p15, 0, c7, c6, 2
#define CTR p15, 0, c0, c0, 1
#define CNTFRQ p15, 0, c14, c0, 0
+#define ID_MMFR3 p15, 0, c0, c1, 7
#define ID_MMFR4 p15, 0, c0, c2, 6
#define ID_DFR0 p15, 0, c0, c1, 2
#define ID_DFR1 p15, 0, c0, c3, 5