diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C b/src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C index 8fc7c3ac1..1c41836f9 100644 --- a/src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C +++ b/src/import/chips/p9/procedures/hwp/memory/p9_mss_freq.C @@ -40,6 +40,7 @@ #include <lib/freq/cas_latency.H> #include <lib/utils/c_str.H> #include <lib/freq/cycle_time.H> +#include <lib/utils/find.H> using fapi2::TARGET_TYPE_MCS; using fapi2::TARGET_TYPE_MCA; @@ -56,10 +57,6 @@ extern "C" /// fapi2::ReturnCode p9_mss_freq( const fapi2::Target<TARGET_TYPE_MCS>& i_target ) { - uint64_t l_tCKmin = 0; - uint64_t l_min_dimm_freq = 0; - uint64_t l_desired_cas_latency = 0; - // Get cached decoder std::map<uint32_t, std::shared_ptr<mss::spd::decoder> > l_factory_caches; FAPI_TRY( mss::spd::populate_decoder_caches(i_target, l_factory_caches), @@ -84,26 +81,38 @@ extern "C" "Failed check for freq_override()"); #endif + uint64_t l_min_dimm_freq = 0; + uint64_t l_desired_cas_latency = 0; + + if(!l_cas_latency.iv_dimm_list_empty) + { + uint64_t l_tCKmin = 0; + + // Find CAS latency using JEDEC algorithm + l_cas_latency.find_CL(i_target, + l_desired_cas_latency, + l_tCKmin); - // Find CAS latency using JEDEC algorithm - l_cas_latency.find_CL(i_target, - l_desired_cas_latency, - l_tCKmin); + // Find dimm transfer speed from selected tCK + l_min_dimm_freq = mss::ps_to_freq(l_tCKmin); - // Find dimm transfer speed from selected tCK - l_min_dimm_freq = mss::ps_to_freq(l_tCKmin); - FAPI_TRY(mss::select_supported_freq(l_min_dimm_freq), - "Failed select_supported_freq()"); + FAPI_TRY(mss::select_supported_freq(l_min_dimm_freq), + "Failed select_supported_freq()"); - // Set attributes - FAPI_TRY(mss::set_freq_attrs(i_target, l_min_dimm_freq), - "Failed set_freq_attrs()"); + // TK - RIT PROTECT - NEED TO CHANGE + l_min_dimm_freq = 2400; - FAPI_TRY(mss::set_CL_attr(i_target, l_desired_cas_latency ), - "Failed set_CL_attr()"); + // Set attributes + FAPI_TRY(mss::set_freq_attrs(i_target, l_min_dimm_freq), + "Failed set_freq_attrs()"); + + FAPI_TRY(mss::set_CL_attr(i_target, l_desired_cas_latency ), + "Failed set_CL_attr()"); + }// end if FAPI_DBG( "Final Chosen Frequency: %d", l_min_dimm_freq); FAPI_DBG( "Final Chosen CL: %d", l_desired_cas_latency); + } fapi_try_exit: |
