From 8ae018baaee677f81a662bf74cd3d4075452d8aa Mon Sep 17 00:00:00 2001 From: Tobias Waldekranz Date: Tue, 16 Dec 2025 13:16:38 +0000 Subject: [PATCH] support: cn913x: Collect DRAM ECC status On platforms based on CN913{0,1,2}, collect all ECC related counters so that we know if any correctable errors have been encountered since the most recent boot. --- .../etc/support.d/50-marvell-cn913x.sh | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 board/aarch64/rootfs/usr/share/product/marvell,armada-ap807/etc/support.d/50-marvell-cn913x.sh diff --git a/board/aarch64/rootfs/usr/share/product/marvell,armada-ap807/etc/support.d/50-marvell-cn913x.sh b/board/aarch64/rootfs/usr/share/product/marvell,armada-ap807/etc/support.d/50-marvell-cn913x.sh new file mode 100755 index 00000000..0aa3168e --- /dev/null +++ b/board/aarch64/rootfs/usr/share/product/marvell,armada-ap807/etc/support.d/50-marvell-cn913x.sh @@ -0,0 +1,26 @@ +#!/bin/sh + +set -e + +ecc_stat() +{ + local chan= + local base= + + for chan in 0 1; do + base=$((0xf0020360 + 0x200 * chan)) + + echo "DRAM Channel $chan ECC Status" + echo -n " Log config: "; devmem $((base + 0x0)) 32 + echo -n " 1b errors: "; devmem $((base + 0x4)) 32 + echo -n " Info 0: "; devmem $((base + 0x8)) 32 + echo -n " Info 1: "; devmem $((base + 0xc)) 32 + echo + done +} + +[ -n "$1" ] || { echo "usage: $0 OUT-DIR"; exit 1; } +work="$1"/marvell-cn913x +mkdir -p "${work}" + +ecc_stat >"${work}"/ecc-stat