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Fix parameters to support RDIMM for P2020DS

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Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
York Sun 2010-08-27 16:25:56 -05:00 committed by Kumar Gala
parent 6395f318e9
commit 8d9207c792
2 changed files with 3 additions and 2 deletions
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1
arch/powerpc/cpu/mpc8xxx/ddr/ctrl_regs.c
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@ -613,6 +613,7 @@ static void set_ddr_sdram_cfg_2(fsl_ddr_cfg_regs_t *ddr,
#if defined(CONFIG_FSL_DDR3) #if defined(CONFIG_FSL_DDR3)
md_en = popts->mirrored_dimm; md_en = popts->mirrored_dimm;
#endif #endif
rcw_en = popts->registered_dimm_en;
qd_en = popts->quad_rank_present ? 1 : 0; qd_en = popts->quad_rank_present ? 1 : 0;
ddr->ddr_sdram_cfg_2 = (0 ddr->ddr_sdram_cfg_2 = (0
| ((frc_sr & 0x1) << 31) | ((frc_sr & 0x1) << 31)

4
board/freescale/p2020ds/ddr.c
View File

@ -68,7 +68,7 @@ const board_specific_parameters_t board_specific_parameters[][20] = {
{550, 680, 1, 4, 0x1f, 3, 0}, {550, 680, 1, 4, 0x1f, 3, 0},
{681, 850, 1, 4, 0x1f, 4, 0} {681, 850, 1, 4, 0x1f, 4, 0}
#else #else
{ 0, 850, 2, 4, 0x1f, 4, 0}, { 0, 850, 2, 6, 0x1f, 4, 0},
{ 0, 850, 1, 4, 0x1f, 4, 0} { 0, 850, 1, 4, 0x1f, 4, 0}
#endif #endif
}, },
@ -120,7 +120,7 @@ void fsl_ddr_board_options(memctl_options_t *popts,
/* Write leveling override */ /* Write leveling override */
popts->wrlvl_override = 1; popts->wrlvl_override = 1;
popts->wrlvl_sample = 0xa; popts->wrlvl_sample = 0xa;
popts->wrlvl_start = 0x7; popts->wrlvl_start = 0x8;
/* Rtt and Rtt_WR override */ /* Rtt and Rtt_WR override */
popts->rtt_override = 1; popts->rtt_override = 1;
popts->rtt_override_value = DDR3_RTT_120_OHM; popts->rtt_override_value = DDR3_RTT_120_OHM;