From 6b95be228024c7d15b9164b59187ef02333bb0c8 Mon Sep 17 00:00:00 2001 From: York Sun Date: Thu, 19 Mar 2015 09:30:27 -0700 Subject: driver/ddr/fsl: Fix driver to support empty first slot CS0 was not allowed to be empty by u-boot driver in the past to simplify the driver. This may be inconvenient for some debugging. This patch lifts the restrictions. Controller interleaving still requires CS0 populated. Signed-off-by: York Sun --- drivers/ddr/fsl/options.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/ddr/fsl/options.c') diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c index 5beb11b02b..3b30fa284c 100644 --- a/drivers/ddr/fsl/options.c +++ b/drivers/ddr/fsl/options.c @@ -728,7 +728,12 @@ unsigned int populate_memctl_options(int all_dimms_registered, /* Choose ddr controller address mirror mode */ #if defined(CONFIG_SYS_FSL_DDR3) || defined(CONFIG_SYS_FSL_DDR4) - popts->mirrored_dimm = pdimm[0].mirrored_dimm; + for (i = 0; i < CONFIG_DIMM_SLOTS_PER_CTLR; i++) { + if (pdimm[i].n_ranks) { + popts->mirrored_dimm = pdimm[i].mirrored_dimm; + break; + } + } #endif /* Global Timing Parameters. */ -- cgit v1.2.3