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Commit accomplishes following:
- Implementation of new self restore region memory layout
- Restore of SPRs pertaining to SMF
- Self save of SPRs
- Backward compatibility with old self restore layout
Key_Cronus_Test=PM_REGRESS
Change-Id: I11359e392102d32896251225907eb95a43ba6f78
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66212
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: HWSV CI <hwsv-ci+hostboot@us.ibm.com>
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/66216
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
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Commit addresses a situation where STOP API is new and HB is
old. It detects the siutation and retains legacy behavior.
This situation can arise if PHYP tries to use SCOM restore
changes of STOP API with older fipsdriver or OPAL does the
same on older HB binaries.
Key_Cronus_Test=PM_REGRESS
Change-Id: Iaaa866169904a47e10c79ae4894d2eedccfafe53
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/62610
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: AMIT J. TENDOLKAR <amit.tendolkar@in.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/62614
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
[build fixes for OPAL : Akshay Adiga]
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
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This is first of the series of commits intended for incorporating
new mechanisms for SCOM restore. STOP API looks for a specific
version in QPMR header of HOMER. If version is greater than 2, it allows
- 255 SCOM Restore entries per quad
- doesn't divide quad restore region in to L2, L3 and EQ sub-region
If version is less than or equal to 2, API provideis legacy
functionality.
Key_Cronus_Test=PM_REGRESS
RTC: 188827
Change-Id: Iac6ee94619302f745fee0c77acc168eaba04c3da
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/56385
Tested-by: Cronus HW CI <cronushw-ci+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: AMIT J. TENDOLKAR <amit.tendolkar@in.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/56390
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
[stewart: Assume 15 entries if 0 are reported, maintains compat with old f/w]
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
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STOP API generates SPR restore instruction for a given SPR.
Commit fixes the generation of mtspr instruction by API.
Problem will show up only when API is changed to generate
restore instruction using a GPR other than R0.
CQ: SW407799
Change-Id: I2a841a9aae417b7bcd92a323197d9c6a1f3cb149
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49525
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: STEWART E. SMITH <stewart@linux.vnet.ibm.com>
Dev-Ready: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/49529
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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This reverts commit 65f9abea8e8cfd7f711a5c54217b5505826ff497.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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- adds version info in SCOM restore entry header
- adds version specific details in SCOM restore entry header
- retains old behavior of SGPE Hcode's base version
Key_Cronus_Test=NO_TEST
CQ:HW423686
HW-Image-Prereq: Ie1611b009e95192a0dad3a47af14ef8a36dd454b
Change-Id: I43e7e067b59513db1c99ce913009a9a3ef5de90b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48856
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Hostboot CI <hostboot-ci+hostboot@us.ibm.com>
Reviewed-by: RANGANATHPRASAD G. BRAHMASAMUDRA <prasadbgr@in.ibm.com>
Reviewed-by: Gregory S. Still <stillgs@us.ibm.com>
Dev-Ready: Gregory S. Still <stillgs@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/48859
Reviewed-by: Hostboot Team <hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Christian R. Geddes <crgeddes@us.ibm.com>
(cherry picked from hostboot commit 47c3bbe42264514a25e00820cac1c8488aed9073)
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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>From coverity defect 173758:
CID 173758 (#1 of 1): Unused value (UNUSED_VALUE)
assigned_value: Assigning value from (uint8_t)i_Rs << 21 to
mtsprInstOpcode here, but that stored value is overwritten before it can
be used.
This causes the generated mtspr to always move from register r0 as
opposed to the function parameter i_Rs.
Luckily the only call to getMtsprInstruction is:
getMtsprInstruction( 0, (uint16_t)i_regId );
the first parameter is the register so in an incredible stroke of luck,
the requirement is to generate a mtspr from r0.
Therefore no bug exists today, this is still a fairly important fix
because if anyone uses getMtsprInstruction() with a non zero first
parameter, it will cause them endless headache.
Fixes: CID 173758
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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p9_stop_api's are used to set SPR state on a core wakeup form a deeper
low power state. p9_stop_api uses low level platform formware and
self-restore microcode to restore the sprs to requested values.
Code is taken from :
https://github.com/open-power/hostboot/tree/master/src/import/chips/p9/procedures/utils/stopreg
Signed-off-by: Akshay Adiga <akshay.adiga@linux.vnet.ibm.com>
Reviewed-by: Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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