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If the user passes a nullptr as the io_buffer it is assumed that
they want the size of the eeprom they are looking up. So just
return the size in io_buflen. This commit also adds useful debug
traces to the eepromdd.C file.
Change-Id: Ia38c5045e2a8fde331b4801e2e356be5ac6dee22
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/72166
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+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>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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Recently a new EECACHE section was introduced to Hostboot. This section
gets populated with a copy of every PRIMARY_VPD eeprom (someday could
contain other eeprom roles also) during host_discover_targets. This
commit add support to allow users to select where they want to perform
their EEPROM device operation. If they pass CACHE to the deviceOp macro
then a read will come from the pnor cache, writes will write to pnor
cache and then also write to the eeprom HW. If HARDWARE is passed in
then reads and writes will be directly done on the eeprom hardware.
If AUTOSELECT is passed the code will check our cache to see if we have
a copy of the eeprom in question, if we have a copy we will go the
CACHE path, if no copy exists we will go the HARDWARE path. Along with
this change some reorganization was done w/ the eeprom related files.
RTC: 196805
Change-Id: If2c4e5d3e338a1a10780740c1a019eb4af003b73
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70822
Reviewed-by: Matt Derksen <mderkse1@us.ibm.com>
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Tested-by: Jenkins OP Build CI <op-jenkins+hostboot@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Tested-by: Jenkins OP HW <op-hw-jenkins+hostboot@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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This commit introduces a new EEPROM_CACHE deviceOp and registers
the OCMB_CHIP, PROC, and DIMM targets to it. This is part of the
larger effort to transition for a "VPD" cache to an "EEPROM" cache
in pnor. The deviceOp is currently called in hwasPlat's
platPresenceDetect if the target in question has a
ATTR_EEPROM_VPD_PRIMARY_INFO associated with it. The layout for the
new EECACHE section in pnor is defined in eepromCache_const.H.
Essentially it is a header that contains an array of record headers
that tell where in the EECACHE pnor section a given cached EEPROM
can be found. All EEPROM targets will be allocated space in the
EECACHE section but only present targets will have their cache
filled in.
RTC: 196805
Change-Id: I49c341c9784be04ddf0259bd444f06c9baf8c6f1
Reviewed-on: http://rchgit01.rchland.ibm.com/gerrit1/70520
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
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: Matt Derksen <mderkse1@us.ibm.com>
Reviewed-by: Roland Veloz <rveloz@us.ibm.com>
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>
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