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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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4
include/fsl_ddr_sdram.h
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@@ -1,5 +1,6 @@
/*
* Copyright 2008-2014 Freescale Semiconductor, Inc.
* Copyright 2008-2016 Freescale Semiconductor, Inc.
* Copyright 2017-2018 NXP Semiconductor
*
* SPDX-License-Identifier: GPL-2.0
*/
@@ -366,6 +367,7 @@ typedef struct memctl_options_s {
unsigned int quad_rank_present;
unsigned int ap_en; /* address parity enable for RDIMM/DDR4-UDIMM */
unsigned int x4_en; /* enable x4 devices */
unsigned int package_3ds;
/* Global Timing Parameters */
unsigned int cas_latency_override;