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Diffstat (limited to 'src/lib/special_wakeup.c')
| -rw-r--r-- | src/lib/special_wakeup.c | 149 |
1 files changed, 0 insertions, 149 deletions
diff --git a/src/lib/special_wakeup.c b/src/lib/special_wakeup.c deleted file mode 100644 index 59e3274..0000000 --- a/src/lib/special_wakeup.c +++ /dev/null @@ -1,149 +0,0 @@ -// $Id: special_wakeup.c,v 1.4 2014/02/03 01:30:25 daviddu Exp $ -// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/lib/special_wakeup.c,v $ -//----------------------------------------------------------------------------- -// *! (C) Copyright International Business Machines Corp. 2013 -// *! All Rights Reserved -- Property of IBM -// *! *** IBM Confidential *** -//----------------------------------------------------------------------------- - -/// \file special_wakeup.c -/// \brief Container for special wakeup related procedures - -#include "special_wakeup.h" - -uint32_t G_special_wakeup_count[PGP_NCORES] = {0}; - -/// Enter or clear special wakeup for a core -/// -/// \param set 1 = set, 0 = clear, all other values will cause an error. -/// -/// \param cores = mask of cores to set/clear special wakeup. -/// -/// \param[out] o_timeouts. Mask of cores that timed out before special wakeup -/// complete was observed. -/// -/// \retval 0 Success -/// -/// \retval -SPWU_INVALID_ARGUMENT One of the arguments was invalid in some way -/// -/// \retval others This API may also return non-0 codes from -/// getscom()/putscom() -/// -/// If getscom/putscom rc = 0, the state of the global special_wakeup counts -/// may no longer be valid. -/// - -int -occ_special_wakeup(int set, - ChipConfigCores cores, - int timeout_ms, - ChipConfigCores *o_timeouts) - -{ - - pmc_core_deconfiguration_reg_t pcdr; - pcbs_pmgp0_reg_t pmgp0; - pcbs_pmspcwkupocc_reg_t ppr; - ChipConfigCores core_list; - ChipConfigCores awake_list = 0; - ChipConfigCores success_list = 0; - ChipConfigCores poll_list = 0; - ChipConfigCores timeout_list = 0; - int rc, poll_count, core; - int time = 0; - int bad_clear; - - // get pmc deconfig vector - pcdr.value = in32(PMC_CORE_DECONFIGURATION_REG); - - core_list = cores; - bad_clear = 0; - if (! set) { - for (core = 0; core < PGP_NCORES; core++, core_list <<=1) { - if (core_list & (0x1 << (PGP_NCORES - 1))) { - if (G_special_wakeup_count[core] == 0) { - bad_clear = 1; - } - } - } - } - - - if (SSX_ERROR_CHECK_API) { - SSX_ERROR_IF( (set < 0) || - (set > 1) || - (bad_clear) || - (pcdr.fields.core_chiplet_deconf_vector & cores), - SPWU_INVALID_ARGUMENT); - } - - do { - ppr.value = 0; - if (set) { - // If count is currently zero, set the bit and increment count. - // Otherwise, just increment count - core_list = cores; - for (core = 0; core < PGP_NCORES; core++, core_list <<=1) { - if (core_list & (0x1 << (PGP_NCORES - 1))) { - if (! G_special_wakeup_count[core]) { - ppr.fields.occ_special_wakeup = 1; - rc = putscom(CORE_CHIPLET_ADDRESS(PCBS_PMSPCWKUPOCC_REG, core), ppr.value); - poll_list |= (0x1 << (PGP_NCORES - 1 - core)); - } - if (rc) break; // break for loop - ++G_special_wakeup_count[core]; - success_list |= (0x1 << (PGP_NCORES - 1 - core)); - } - } - if (rc) break; - - // poll special_wkup_done bit. - poll_count = 0; - while ((poll_list != awake_list) && (time < timeout_ms)) { - if (! poll_count) { - ssx_sleep(SSX_MICROSECONDS(2)); - ++poll_count; - } else { - ssx_sleep(SSX_MILLISECONDS(5)); - time += 5; - } - core_list = poll_list & (~awake_list); - for (core = 0; core < PGP_NCORES; core++, core_list <<=1) { - if (core_list & (0x1 << (PGP_NCORES - 1))) { - rc = getscom(CORE_CHIPLET_ADDRESS(PCBS_PMGP0_REG, core), &pmgp0.value); - if (rc) break; - if (pmgp0.fields.special_wkup_done) { - awake_list |= (0x1 << (PGP_NCORES - 1 - core)); - } else { - if (time >= timeout_ms) { - timeout_list |= (0x1<<(PGP_NCORES-1-core)); - } - } - } - } - } - } else { // clear special wakeup - core_list = cores; - for (core = 0; core < PGP_NCORES; core++, core_list <<=1) { - if (core_list & (0x1 << (PGP_NCORES - 1))) { - if (G_special_wakeup_count[core] == 1) { - ppr.fields.occ_special_wakeup = 0; - rc = putscom(CORE_CHIPLET_ADDRESS(PCBS_PMSPCWKUPOCC_REG, core), ppr.value); - } - if (rc) break; - --G_special_wakeup_count[core]; - success_list |= (0x1 << (PGP_NCORES - 1 - core)); - } - } - if (rc) break; - } - } while (0); - - // bad rc recovery (recovery of counts, etc?) - - *o_timeouts = timeout_list; - return rc; - -} - - |
