diff options
| author | Pratik Prajapati <pratikkumar.v.prajapati@intel.com> | 2018-08-22 18:58:38 -0700 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2018-09-22 00:41:45 +0000 |
| commit | e072247e6e54ec76157b21dc3109e8cb5f99158c (patch) | |
| tree | 6a056de040d671a2a9e349c07db75dc672d7eef2 /src/soc | |
| parent | a5fbd140d0d7e05b84a05c562e34d9fbca306ccc (diff) | |
skylake,kabylake: Add support to set eMMC tuning param from dev tree
Add support to set eMMC tuning params from the device tree so that it
can be configured per board.
BUG=b:112718426,b:112690628
BRANCH=none
TEST=Build nocturne image and checked values passed in dev tree is set
by FSP.
Change-Id: Ic71934dce9a1c380a057e579ca3fda41983b9385
Signed-off-by: Pratik Prajapati <pratikkumar.v.prajapati@intel.com>
Reviewed-on: https://review.coreboot.org/28274
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/skylake/chip.h | 3 | ||||
| -rw-r--r-- | src/soc/intel/skylake/chip_fsp20.c | 9 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h index 5bf39318bb..b1ffcb2fe8 100644 --- a/src/soc/intel/skylake/chip.h +++ b/src/soc/intel/skylake/chip.h @@ -291,6 +291,9 @@ struct soc_intel_skylake_config { u8 ScsEmmcEnabled; u8 ScsEmmcHs400Enabled; u8 ScsSdCardEnabled; + u8 EmmcHs400DllNeed; + u8 ScsEmmcHs400RxStrobeDll1; + u8 ScsEmmcHs400TxDataDll; u8 PttSwitch; u8 HeciTimeouts; diff --git a/src/soc/intel/skylake/chip_fsp20.c b/src/soc/intel/skylake/chip_fsp20.c index d5f543302f..c2c0745565 100644 --- a/src/soc/intel/skylake/chip_fsp20.c +++ b/src/soc/intel/skylake/chip_fsp20.c @@ -336,6 +336,15 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->ScsEmmcHs400Enabled = config->ScsEmmcHs400Enabled; params->ScsSdCardEnabled = config->ScsSdCardEnabled; + if (!!params->ScsEmmcHs400Enabled && !!config->EmmcHs400DllNeed) { + params->PchScsEmmcHs400DllDataValid = + !!config->EmmcHs400DllNeed; + params->PchScsEmmcHs400RxStrobeDll1 = + config->ScsEmmcHs400RxStrobeDll1; + params->PchScsEmmcHs400TxDataDll = + config->ScsEmmcHs400TxDataDll; + } + /* If ISH is enabled, enable ISH elements */ dev = dev_find_slot(0, PCH_DEVFN_ISH); if (dev) |