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powerpc/mpc85xx: Display a warning for unsupported DDR data rates

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If DDR initialziation uses a speed table and the speed is not matched,
print a warning message instead of silently ignoring.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
York Sun 2011-06-27 13:30:55 -07:00 • committed by Kumar Gala
parent 79fa00af5d
commit 939e5bf9b3
5 changed files with 27 additions and 4 deletions
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6
board/freescale/corenet_ds/ddr.c
View file

@ -192,10 +192,16 @@ void fsl_ddr_board_options(memctl_options_t *popts,
popts->clk_adjust = pbsp->clk_adjust; popts->clk_adjust = pbsp->clk_adjust;
popts->wrlvl_start = pbsp->wrlvl_start; popts->wrlvl_start = pbsp->wrlvl_start;
popts->twoT_en = pbsp->force_2T; popts->twoT_en = pbsp->force_2T;
break;
} }
pbsp++; pbsp++;
} }
if (i == num_params) {
printf("Warning: board specific timing not found "
"for data rate %lu MT/s!\n", ddr_freq);
}
/* /*
* Factors to consider for half-strength driver enable: * Factors to consider for half-strength driver enable:
* - number of DIMMs installed * - number of DIMMs installed

8
board/freescale/mpc8572ds/ddr.c
View file

@ -104,7 +104,6 @@ void fsl_ddr_board_options(memctl_options_t *popts,
u32 num_params; u32 num_params;
u32 i; u32 i;
ulong ddr_freq; ulong ddr_freq;
int matched = 0;
if (!pdimm->n_ranks) if (!pdimm->n_ranks)
return; return;
@ -151,14 +150,15 @@ void fsl_ddr_board_options(memctl_options_t *popts,
popts->cpo_override = pbsp->cpo; popts->cpo_override = pbsp->cpo;
popts->write_data_delay = pbsp->write_data_delay; popts->write_data_delay = pbsp->write_data_delay;
popts->twoT_en = pbsp->force_2T; popts->twoT_en = pbsp->force_2T;
matched = 1;
break; break;
} }
pbsp++; pbsp++;
} }
if (!matched) if (i == num_params) {
printf("Warning: board specific timing not found!\n"); printf("Warning: board specific timing not found "
"for data rate %lu MT/s!\n", ddr_freq);
}
/* /*
* Factors to consider for half-strength driver enable: * Factors to consider for half-strength driver enable:

5
board/freescale/mpc8641hpcn/ddr.c
View file

@ -127,6 +127,11 @@ void fsl_ddr_board_options(memctl_options_t *popts,
} }
} }
if (i == num_params) {
printf("Warning: board specific timing not found "
"for data rate %lu MT/s!\n", ddr_freq);
}
/* 2T timing enable */ /* 2T timing enable */
popts->twoT_en = 1; popts->twoT_en = 1;
} }

6
board/freescale/p2020ds/ddr.c
View file

@ -83,10 +83,16 @@ void fsl_ddr_board_options(memctl_options_t *popts,
popts->cpo_override = pbsp->cpo; popts->cpo_override = pbsp->cpo;
popts->write_data_delay = pbsp->write_data_delay; popts->write_data_delay = pbsp->write_data_delay;
popts->twoT_en = pbsp->force_2T; popts->twoT_en = pbsp->force_2T;
break;
} }
pbsp++; pbsp++;
} }
if (i == num_params) {
printf("Warning: board specific timing not found "
"for data rate %lu MT/s!\n", ddr_freq);
}
/* /*
* Factors to consider for half-strength driver enable: * Factors to consider for half-strength driver enable:
* - number of DIMMs installed * - number of DIMMs installed

6
board/xes/xpedite550x/ddr.c
View file

@ -125,10 +125,16 @@ void fsl_ddr_board_options(memctl_options_t *popts,
popts->clk_adjust = pbsp->clk_adjust; popts->clk_adjust = pbsp->clk_adjust;
popts->cpo_override = pbsp->cpo; popts->cpo_override = pbsp->cpo;
popts->twoT_en = 0; popts->twoT_en = 0;
break;
} }
pbsp++; pbsp++;
} }
if (i == num_params) {
printf("Warning: board specific timing not found "
"for data rate %lu MT/s!\n", ddr_freq);
}
/* /*
* Factors to consider for half-strength driver enable: * Factors to consider for half-strength driver enable:
* - number of DIMMs installed * - number of DIMMs installed