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soc/intel/cannonlake: Enable CPU flexible ratio

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CPU ratio will be fixed to non-turbo max value if CpuRatio UPD had been
set to zero.

BUG=N/A
TEST=Boot up into sarien system, cat /proc/cpuinfo and cpu frequency is
changing.

Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: I3e82293c8b6027ddf9a528d0654fe46f233dcb82
Reviewed-on: https://review.coreboot.org/c/30216
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Lijian Zhao
2018-12-13 16:05:15 -08:00
committed by Patrick Georgi
parent 8fc49096f9
commit fd02ff0375
1 changed files with 0 additions and 2 deletions
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2
src/soc/intel/cannonlake/romstage/fsp_params.c
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@@ -45,8 +45,6 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const config_t *config)
m_cfg->PcieRpEnableMask = mask;
m_cfg->PrmrrSize = config->PrmrrSize;
m_cfg->EnableC6Dram = config->enable_c6dram;
/* Disable Cpu Ratio Override temporary. */
m_cfg->CpuRatio = 0;
m_cfg->PcdSerialIoUartNumber = CONFIG_UART_FOR_CONSOLE;
/* Disable Vmx if Vt-d is already disabled */
if (config->VtdDisable)