From ef5fa7d47741d008f8786f971fc138e6331fb46d Mon Sep 17 00:00:00 2001 From: lauwal01 Date: Mon, 24 Jun 2019 11:35:37 -0500 Subject: Workaround for Neoverse N1 erratum 1207823 Neoverse N1 erratum 1207823 is a Cat B erratum [1], present in older revisions of the Neoverse N1 processor core. The workaround is to set a bit in the implementation defined CPUACTLR2_EL1 system register. [1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.pjdoc-466751330-10325/index.html Change-Id: Ia932337821f1ef0d644db3612480462a8d924d21 Signed-off-by: Lauren Wehrmeister --- include/lib/cpus/aarch64/neoverse_n1.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/lib') diff --git a/include/lib/cpus/aarch64/neoverse_n1.h b/include/lib/cpus/aarch64/neoverse_n1.h index 7950cd22..8925827e 100644 --- a/include/lib/cpus/aarch64/neoverse_n1.h +++ b/include/lib/cpus/aarch64/neoverse_n1.h @@ -41,6 +41,7 @@ #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_0 (ULL(1) << 0) #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_2 (ULL(1) << 2) +#define NEOVERSE_N1_CPUACTLR2_EL1_BIT_11 (ULL(1) << 11) #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_15 (ULL(1) << 15) #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_16 (ULL(1) << 16) #define NEOVERSE_N1_CPUACTLR2_EL1_BIT_59 (ULL(1) << 59) -- cgit v1.2.3