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drivers/ddr/fsl: Add 3DS RDIMM support

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On top of RDIMM support, add new register calculation to support
3DS RDIMMs. Only symmetrical 3DS is supported at this time.

Signed-off-by: York Sun <york.sun@nxp.com>
This commit is contained in:
York Sun
2018-01-29 09:44:35 -08:00
parent d46ec0bbaf
commit c0c32af0b2
8 changed files with 89 additions and 16 deletions
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5
drivers/ddr/fsl/options.c
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@@ -1,5 +1,6 @@
/*
* Copyright 2008, 2010-2014 Freescale Semiconductor, Inc.
* Copyright 2008, 2010-2016 Freescale Semiconductor, Inc.
* Copyright 2017-2018 NXP Semiconductor
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -1292,6 +1293,8 @@ done:
if (pdimm[0].n_ranks == 4)
popts->quad_rank_present = 1;
popts->package_3ds = pdimm->package_3ds;
ddr_freq = get_ddr_freq(ctrl_num) / 1000000;
if (popts->registered_dimm_en) {
popts->rcw_override = 1;