diff options
| -rw-r--r-- | p9_cfam.hpp | 4 | ||||
| -rw-r--r-- | procedures/p9/vcs_workaround.cpp | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/p9_cfam.hpp b/p9_cfam.hpp index 07b251d..0cf5c02 100644 --- a/p9_cfam.hpp +++ b/p9_cfam.hpp @@ -6,8 +6,12 @@ namespace cfam { namespace p9 { + +static constexpr uint32_t P9_DD10_CHIPID = 0x120D1049; + static constexpr uint16_t P9_FSI_A_SI1S = 0x081C; static constexpr uint16_t P9_LL_MODE_REG = 0x0840; +static constexpr uint16_t P9_FSI2PIB_CHIPID = 0x100A; static constexpr uint16_t P9_FSI2PIB_INTERRUPT = 0x100B; static constexpr uint16_t P9_FSI2PIB_TRUE_MASK = 0x100D; static constexpr uint16_t P9_CBS_CS = 0x2801; diff --git a/procedures/p9/vcs_workaround.cpp b/procedures/p9/vcs_workaround.cpp index 07e7fd0..1cb51b5 100644 --- a/procedures/p9/vcs_workaround.cpp +++ b/procedures/p9/vcs_workaround.cpp @@ -39,6 +39,18 @@ void vcsWorkaround() Targeting targets; const auto& master = *(targets.begin()); + // First determine if we need to run this workaround (not needed on chips + // which are not DD1.0) + // Mixing DD1.0 parts with other levels is not allowed so just look + // at the first chip + auto chipID = readReg(master, P9_FSI2PIB_CHIPID); + if (chipID != P9_DD10_CHIPID) + { + log<level::INFO>("P9 procedure vcsWorkaround not needed", + entry("CHIPID=0x%08X", chipID)); + return; + } + log<level::INFO>("Running P9 procedure vcsWorkaround", entry("NUM_PROCS=%d", targets.size())); |
