From: Priyanka Jain <[email protected]> Enable DDR hashing for DDR performance optimization on LS2088A which has DDR controller version 5.2.1
Signed-off-by: Priyanka Jain <[email protected]> --- board/freescale/ls2080aqds/ddr.c | 5 +++++ board/freescale/ls2080ardb/ddr.c | 5 +++++ 2 files changed, 10 insertions(+), 0 deletions(-) diff --git a/board/freescale/ls2080aqds/ddr.c b/board/freescale/ls2080aqds/ddr.c index 9c6f477..473dd7c 100644 --- a/board/freescale/ls2080aqds/ddr.c +++ b/board/freescale/ls2080aqds/ddr.c @@ -8,6 +8,7 @@ #include <fsl_ddr_sdram.h> #include <fsl_ddr_dimm_params.h> #include <asm/arch/soc.h> +#include <fsl_ddr.h> #include "ddr.h" DECLARE_GLOBAL_DATA_PTR; @@ -134,6 +135,10 @@ found: /* Enable ZQ calibration */ popts->zq_en = 1; + /* Enable DDR hashing */ + if (fsl_ddr_get_version(0) == 0x50201) + popts->addr_hash = 1; + if (ddr_freq < 2350) { if (pdimm[0].n_ranks == 2 && pdimm[1].n_ranks == 2) { /* four chip-selects */ diff --git a/board/freescale/ls2080ardb/ddr.c b/board/freescale/ls2080ardb/ddr.c index ecd1e71..c9cee50 100644 --- a/board/freescale/ls2080ardb/ddr.c +++ b/board/freescale/ls2080ardb/ddr.c @@ -8,6 +8,7 @@ #include <fsl_ddr_sdram.h> #include <fsl_ddr_dimm_params.h> #include <asm/arch/soc.h> +#include <fsl_ddr.h> #include "ddr.h" DECLARE_GLOBAL_DATA_PTR; @@ -134,6 +135,10 @@ found: /* Enable ZQ calibration */ popts->zq_en = 1; + /* Enable DDR hashing */ + if (fsl_ddr_get_version(0) == 0x50201) + popts->addr_hash = 1; + if (ddr_freq < 2350) { if (pdimm[0].n_ranks == 2 && pdimm[1].n_ranks == 2) { /* four chip-selects */ -- 1.7.4.1 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
