[U-Boot] [PATCH 7/7] Fix parameters to support RDIMM for P2020DS
York Sun
yorksun at freescale.com
Fri Aug 27 23:25:56 CEST 2010
Signed-off-by: York Sun <yorksun at freescale.com>
---
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 dccb7aa..e82082e 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 30d640f..9a1b075 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;
--
1.7.0.4
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