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| author | Marty Gloff <mgloff@us.ibm.com> | 2016-07-27 11:55:38 -0500 |
|---|---|---|
| committer | Daniel M. Crowell <dcrowell@us.ibm.com> | 2016-08-10 14:14:54 -0400 |
| commit | 0f64c7b414998e6f9b1b7211f55f0ca481208070 (patch) | |
| tree | baac50f47ccab0274015612fa1faf9c8172fc10f /src/kernel/misc.C | |
| parent | 15a7b3ec80e826ed07c57739693d9e98a17d2b33 (diff) | |
| download | talos-hostboot-0f64c7b414998e6f9b1b7211f55f0ca481208070.tar.gz talos-hostboot-0f64c7b414998e6f9b1b7211f55f0ca481208070.zip | |
Handle 8MB reduced cache mode
Check scom register (0x1001181B) for reduced cache mode and expand the
memory footprint appropriately, reduced 8MB or full 10MB.
Change-Id: I5920572077cdcee317e7b3b9abe999e6de295459
RTC:152954
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/27522
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Diffstat (limited to 'src/kernel/misc.C')
| -rw-r--r-- | src/kernel/misc.C | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/kernel/misc.C b/src/kernel/misc.C index 4343fe9c8..972a30a19 100644 --- a/src/kernel/misc.C +++ b/src/kernel/misc.C @@ -517,7 +517,7 @@ namespace KernelMisc return 0; } - int expand_full_cache() + int expand_full_cache(uint64_t i_expandSize) { static bool executed = false; @@ -538,8 +538,7 @@ namespace KernelMisc case CORE_POWER9_CUMULUS: startAddr = reinterpret_cast<uint64_t*> ( VmmManager::INITIAL_MEM_SIZE ) ; - endAddr = - reinterpret_cast<uint64_t*>(VMM_BASE_BLOCK_SIZE); + endAddr = reinterpret_cast<uint64_t*>(i_expandSize); break; default: @@ -565,7 +564,9 @@ namespace KernelMisc executed = true; KernelMemState::setMemScratchReg(KernelMemState::MEM_CONTAINED_L3, - KernelMemState::FULL_CACHE); + (i_expandSize == VMM_BASE_BLOCK_SIZE) + ? KernelMemState::FULL_CACHE + : KernelMemState::REDUCED_CACHE); return 0; } |
