From 8d9207c79223497666580c51be7c4f9e2d7a4d1f Mon Sep 17 00:00:00 2001 From: York Sun Date: Fri, 27 Aug 2010 16:25:56 -0500 Subject: [PATCH] Fix parameters to support RDIMM for P2020DS Signed-off-by: York Sun Signed-off-by: Kumar Gala --- arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c | 1 + board/freescale/p2020ds/ddr.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c index dccb7aa14b..e82082e74c 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c @@ -613,6 +613,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr, #if defined(CONFIG_FSL_DDR3) md_en = popts->mirrored_dimm; #endif + rcw_en = popts->registered_dimm_en; qd_en = popts->quad_rank_present ? 1 : 0; ddr->ddr_sdram_cfg_2 = (0 | ((frc_sr & 0x1) << 31) diff --git a/board/freescale/p2020ds/ddr.c b/board/freescale/p2020ds/ddr.c index 30d640fa31..9a1b07554f 100644 --- a/board/freescale/p2020ds/ddr.c +++ b/board/freescale/p2020ds/ddr.c @@ -68,7 +68,7 @@ const board_specific_parameters_t board_specific_parameters[][20] = { {550, 680, 1, 4, 0x1f, 3, 0}, {681, 850, 1, 4, 0x1f, 4, 0} #else - { 0, 850, 2, 4, 0x1f, 4, 0}, + { 0, 850, 2, 6, 0x1f, 4, 0}, { 0, 850, 1, 4, 0x1f, 4, 0} #endif }, @@ -120,7 +120,7 @@ void fsl_ddr_board_options(memctl_options_t *popts, /* Write leveling override */ popts->wrlvl_override = 1; popts->wrlvl_sample = 0xa; - popts->wrlvl_start = 0x7; + popts->wrlvl_start = 0x8; /* Rtt and Rtt_WR override */ popts->rtt_override = 1; popts->rtt_override_value = DDR3_RTT_120_OHM; -- 2.39.5