fsp_params.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <assert.h>
#include <console/console.h>
#include <fsp/util.h>
#include <intelblocks/cpulib.h>
#include <soc/iomap.h>
#include <soc/pci_devs.h>
#include <soc/romstage.h>
#include <soc/soc_chip.h>
 
static void soc_memory_init_params(FSP_M_CONFIG *m_cfg,
                const struct soc_intel_icelake_config *config)
{
        unsigned int i;
        uint32_t mask = 0;
 
        /*
         * If IGD is enabled, set IGD stolen size to 60MB.
         * Otherwise, skip IGD init in FSP.
         */
        m_cfg->InternalGfx = !CONFIG(SOC_INTEL_DISABLE_IGD) && is_devfn_enabled(SA_DEVFN_IGD);
        m_cfg->IgdDvmt50PreAlloc = m_cfg->InternalGfx ? 0xFE : 0;
 
        m_cfg->TsegSize = CONFIG_SMM_TSEG_SIZE;
        m_cfg->IedSize = CONFIG_IED_REGION_SIZE;
        m_cfg->SaGv = config->SaGv;
        m_cfg->UserBd = BOARD_TYPE_ULT_ULX;
        m_cfg->RMT = config->RMT;
        m_cfg->SkipMbpHob = 1;
 
        /* If Audio Codec is enabled, enable FSP UPD */
        m_cfg->PchHdaEnable = is_devfn_enabled(PCH_DEVFN_HDA);
 
        for (i = 0; i < ARRAY_SIZE(config->PcieRpEnable); i++) {
                if (config->PcieRpEnable[i])
                        mask |= (1 << i);
        }
        m_cfg->PcieRpEnableMask = mask;
        m_cfg->PrmrrSize = get_valid_prmrr_size();
        m_cfg->EnableC6Dram = config->enable_c6dram;
        /* Disable BIOS Guard */
        m_cfg->BiosGuard = 0;
        /* Disable Cpu Ratio Override temporary. */
        m_cfg->CpuRatio = 0;
        m_cfg->SerialIoUartDebugControllerNumber = CONFIG_UART_FOR_CONSOLE;
        m_cfg->PcdDebugInterfaceFlags =
                CONFIG(DRIVERS_UART_8250IO) ? 0x02 : 0x10;
 
        /* Change VmxEnable UPD value according to ENABLE_VMX Kconfig */
        m_cfg->VmxEnable = CONFIG(ENABLE_VMX);
}
 
void platform_fsp_memory_init_params_cb(FSPM_UPD *mupd, uint32_t version)
{
        const struct soc_intel_icelake_config *config;
        FSP_M_CONFIG *m_cfg = &mupd->FspmConfig;
 
        config = config_of_soc();
 
        soc_memory_init_params(m_cfg, config);
 
        /* Enable SMBus controller based on config */
        m_cfg->SmbusEnable = config->SmbusEnable;
        /* Set debug probe type */
        m_cfg->PlatformDebugConsent = CONFIG_SOC_INTEL_ICELAKE_DEBUG_CONSENT;
 
        /* Vt-D config */
        m_cfg->VtdDisable = 0;
 
        mainboard_memory_init_params(mupd);
}
 
__weak void mainboard_memory_init_params(FSPM_UPD *mupd)
{
        printk(BIOS_DEBUG, "WEAK: %s/%s called\n", __FILE__, __func__);
}