diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c b/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c index 20c7db03ed..03a784cd47 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/lc_common_dimm_params.c @@ -1,5 +1,5 @@ /* - * Copyright 2008-2011 Freescale Semiconductor, Inc. + * Copyright 2008-2012 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -27,8 +27,10 @@ compute_cas_latency_ddr3(const dimm_params_t *dimm_params, /* compute the common CAS latency supported between slots */ tmp = dimm_params[0].caslat_X; - for (i = 1; i < number_of_dimms; i++) - tmp &= dimm_params[i].caslat_X; + for (i = 1; i < number_of_dimms; i++) { + if (dimm_params[i].n_ranks) + tmp &= dimm_params[i].caslat_X; + } common_caslat = tmp; /* compute the max tAAmin tCKmin between slots */ @@ -491,5 +493,15 @@ compute_lowest_common_dimm_parameters(const dimm_params_t *dimm_params, */ outpdimm->additive_latency = additive_latency; + debug("tCKmin_ps = %u\n", outpdimm->tCKmin_X_ps); + debug("tRCD_ps = %u\n", outpdimm->tRCD_ps); + debug("tRP_ps = %u\n", outpdimm->tRP_ps); + debug("tRAS_ps = %u\n", outpdimm->tRAS_ps); + debug("tWR_ps = %u\n", outpdimm->tWR_ps); + debug("tWTR_ps = %u\n", outpdimm->tWTR_ps); + debug("tRFC_ps = %u\n", outpdimm->tRFC_ps); + debug("tRRD_ps = %u\n", outpdimm->tRRD_ps); + debug("tRC_ps = %u\n", outpdimm->tRC_ps); + return 0; } |