From 4516ff816084605990115d127df97950c23e389c Mon Sep 17 00:00:00 2001 From: York Sun Date: Thu, 19 Mar 2015 09:30:28 -0700 Subject: driver/ddr/fsl: Add built-in memory test for DDR4 driver Add built-in memory test to catch errors after DDR is initialized, before any other transactions. To enable this test, define CONFIG_FSL_DDR_BIST. An environmental variable "ddr_bist" is checked before starting test. It takes a while (several seconds) depending on system memory size. Signed-off-by: York Sun --- README | 3 +++ 1 file changed, 3 insertions(+) (limited to 'README') diff --git a/README b/README index d33f3b5fef..f5a719db9d 100644 --- a/README +++ b/README @@ -4884,6 +4884,9 @@ Low Level (hardware related) configuration options: - CONFIG_FSL_DDR_SYNC_REFRESH Enable sync of refresh for multiple controllers. +- CONFIG_FSL_DDR_BIST + Enable built-in memory test for Freescale DDR controllers. + - CONFIG_SYS_83XX_DDR_USES_CS0 Only for 83xx systems. If specified, then DDR should be configured using CS0 and CS1 instead of CS2 and CS3. -- cgit v1.2.1