def_callouts.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <cbfs.h>
#include <console/console.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/mp.h>
#include <timer.h>
#include <amdblocks/BiosCallOuts.h>
#include <amdblocks/agesawrapper.h>
#include <amdblocks/agesawrapper_call.h>
#include <amdblocks/reset.h>
#include <soc/southbridge.h>
#include <types.h>
 
#if ENV_BOOTBLOCK
const BIOS_CALLOUT_STRUCT BiosCallouts[] = {
        { AGESA_DO_RESET,                 agesa_Reset },
        { AGESA_FCH_OEM_CALLOUT,          agesa_fch_initreset },
        { AGESA_HALT_THIS_AP,             agesa_HaltThisAp },
        { AGESA_HEAP_REBASE,              agesa_HeapRebase },
        { AGESA_GNB_PCIE_SLOT_RESET,      agesa_PcieSlotResetControl }
};
#else
const BIOS_CALLOUT_STRUCT BiosCallouts[] = {
        /* Required callouts */
#if ENV_ROMSTAGE
        { AGESA_HALT_THIS_AP,             agesa_HaltThisAp },
#endif
        { AGESA_ALLOCATE_BUFFER,          agesa_AllocateBuffer },
        { AGESA_DEALLOCATE_BUFFER,        agesa_DeallocateBuffer },
        { AGESA_DO_RESET,                 agesa_Reset },
        { AGESA_LOCATE_BUFFER,            agesa_LocateBuffer },
        { AGESA_READ_SPD,                 agesa_ReadSpd },
        { AGESA_GNB_PCIE_SLOT_RESET,      agesa_PcieSlotResetControl },
        { AGESA_GET_TEMP_HEAP_BASE,       agesa_GetTempHeapBase },
        { AGESA_HEAP_REBASE,              agesa_HeapRebase },
#if ENV_RAMSTAGE
        { AGESA_RUNFUNC_ONAP,             agesa_RunFuncOnAp },
        { AGESA_RUNFUNC_ON_ALL_APS,       agesa_RunFcnOnAllAps },
        { AGESA_WAIT_FOR_ALL_APS,         agesa_WaitForAllApsFinished },
        { AGESA_IDLE_AN_AP,               agesa_IdleAnAp },
#endif /* ENV_RAMSTAGE */
 
        /* Optional callouts */
        { AGESA_GET_IDS_INIT_DATA,             agesa_EmptyIdsInitData },
        //AgesaHeapRebase - Hook ID?
        { AGESA_HOOKBEFORE_DRAM_INIT,          agesa_NoopUnsupported },
        { AGESA_HOOKBEFORE_DQS_TRAINING,       agesa_NoopUnsupported },
        { AGESA_EXTERNAL_2D_TRAIN_VREF_CHANGE, agesa_NoopUnsupported },
        { AGESA_HOOKBEFORE_EXIT_SELF_REF,      agesa_NoopUnsupported },
        { AGESA_GNB_GFX_GET_VBIOS_IMAGE,       agesa_GfxGetVbiosImage },
        { AGESA_FCH_OEM_CALLOUT,               agesa_fch_initenv },
        { AGESA_EXTERNAL_VOLTAGE_ADJUST,       agesa_NoopUnsupported },
        { AGESA_GNB_PCIE_CLK_REQ,              agesa_NoopUnsupported },
 
        /* Deprecated */
        { AGESA_HOOKBEFORE_DRAM_INIT_RECOVERY, agesa_NoopUnsupported},
        { AGESA_READ_SPD_RECOVERY,             agesa_NoopUnsupported },
 
};
#endif
 
const int BiosCalloutsLen = ARRAY_SIZE(BiosCallouts);
 
AGESA_STATUS GetBiosCallout(uint32_t Func, uintptr_t Data, void *ConfigPtr)
{
        uintptr_t i;
 
        for (i = 0 ; i < BiosCalloutsLen ; i++) {
                if (BiosCallouts[i].CalloutName == Func)
                        break;
        }
 
        if (i >= BiosCalloutsLen) {
                printk(BIOS_ERR, "AGESA Callout Not Supported: 0x%x\n",
                        (u32)Func);
                return AGESA_UNSUPPORTED;
        }
 
        return BiosCallouts[i].CalloutPtr(Func, Data, ConfigPtr);
}
 
AGESA_STATUS agesa_NoopUnsupported(uint32_t Func, uintptr_t Data,
                                                        void *ConfigPtr)
{
        return AGESA_UNSUPPORTED;
}
 
AGESA_STATUS agesa_NoopSuccess(uint32_t Func, uintptr_t Data, void *ConfigPtr)
{
        return AGESA_SUCCESS;
}
 
AGESA_STATUS agesa_EmptyIdsInitData(uint32_t Func, uintptr_t Data,
                                                        void *ConfigPtr)
{
        IDS_NV_ITEM *IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr;
        if (Data == IDS_CALLOUT_INIT)
                IdsPtr[0].IdsNvValue = IdsPtr[0].IdsNvId = 0xffff;
        return AGESA_SUCCESS;
}
 
AGESA_STATUS agesa_Reset(uint32_t Func, uintptr_t Data, void *ConfigPtr)
{
        AGESA_STATUS Status;
        uintptr_t ResetType;
 
        ResetType = Data;
 
        /*
         * This should perform the RESET based upon the ResetType, but coreboot
         * doesn't have a reset manager to handle a WHENEVER case. Do all
         * resets immediately.
         */
        switch (ResetType) {
        case WARM_RESET_WHENEVER:
        case WARM_RESET_IMMEDIATELY:
                warm_reset();
                break;
 
        case COLD_RESET_WHENEVER:
        case COLD_RESET_IMMEDIATELY:
                cold_reset();
                break;
 
        default:
                break;
        }
 
        Status = 0;
        return Status;
}
 
AGESA_STATUS agesa_GfxGetVbiosImage(uint32_t Func, uintptr_t FchData,
                                                        void *ConfigPrt)
{
        GFX_VBIOS_IMAGE_INFO *pVbiosImageInfo;
 
        pVbiosImageInfo = (GFX_VBIOS_IMAGE_INFO *)ConfigPrt;
        pVbiosImageInfo->ImagePtr = cbfs_map(
                        "pci"CONFIG_VGA_BIOS_ID".rom", NULL);
        printk(BIOS_DEBUG, "%s: IMGptr=%p\n", __func__,
                        pVbiosImageInfo->ImagePtr);
        return pVbiosImageInfo->ImagePtr ? AGESA_SUCCESS : AGESA_WARNING;
}
 
AGESA_STATUS __weak platform_PcieSlotResetControl(uint32_t Func,
        uintptr_t Data, void *ConfigPtr)
{
        printk(BIOS_WARNING, "Warning - AGESA callout: %s not supported\n",
                __func__);
        return AGESA_UNSUPPORTED;
}
 
AGESA_STATUS agesa_PcieSlotResetControl(uint32_t Func, uintptr_t Data,
        void *ConfigPtr)
{
        return platform_PcieSlotResetControl(Func, Data, ConfigPtr);
}
 
/*
 * Application Processor callouts:
 * agesa_RunFuncOnAp() and agesa_RunFcnOnAllAps() are called after main memory
 * has been initialized and coreboot has taken control of AP task dispatching.
 * These functions execute callout_ap_entry() on each AP, which calls the
 * AmdLateRunApTask() entry point if it is a targeted AP.
 */
 
/*
 * Global data for APs.
 * Passed from the AGESA_Callout for the agesawrapper_amdlaterunaptask.
 */
static struct agesa_data {
        uint32_t Func;
        uintptr_t Data;
        AP_EXE_PARAMS *ConfigPtr;
} agesadata;
 
/*
 * BSP deploys APs to callout_ap_entry(), which calls
 * agesawrapper_amdlaterunaptask with the agesadata.
 */
static void callout_ap_entry(void *unused)
{
        AGESA_STATUS Status = AGESA_UNSUPPORTED;
 
        printk(BIOS_DEBUG, "%s Func: 0x%x,  Data: 0x%lx, Ptr: %p\n",
                __func__, agesadata.Func, agesadata.Data, agesadata.ConfigPtr);
 
        /* Check if this AP should run the function */
        if (!((agesadata.Func == AGESA_RUNFUNC_ONAP) &&
            (agesadata.Data == lapicid())))
                return;
 
        Status = amd_late_run_ap_task(agesadata.ConfigPtr);
 
        if (Status)
                printk(BIOS_DEBUG, "There was a problem with %x returned %s\n",
                        lapicid(), decodeAGESA_STATUS(Status));
}
 
AGESA_STATUS agesa_RunFuncOnAp(uint32_t Func, uintptr_t Data, void *ConfigPtr)
{
        printk(BIOS_DEBUG, "%s\n", __func__);
 
        agesadata.Func = Func;
        agesadata.Data = Data;
        agesadata.ConfigPtr = ConfigPtr;
        if (mp_run_on_aps(callout_ap_entry, NULL, MP_RUN_ON_ALL_CPUS, 100 * USECS_PER_MSEC) !=
                        CB_SUCCESS)
                return AGESA_ERROR;
 
        return AGESA_SUCCESS;
}
 
AGESA_STATUS agesa_RunFcnOnAllAps(uint32_t Func, uintptr_t Data,
                                                        void *ConfigPtr)
{
        printk(BIOS_DEBUG, "%s\n", __func__);
 
        agesadata.Func = Func;
        agesadata.Data = Data;
        agesadata.ConfigPtr = ConfigPtr;
        if (mp_run_on_aps(callout_ap_entry, NULL, MP_RUN_ON_ALL_CPUS, 100 * USECS_PER_MSEC) !=
                        CB_SUCCESS)
                return AGESA_ERROR;
 
        return AGESA_SUCCESS;
}
 
AGESA_STATUS agesa_WaitForAllApsFinished(uint32_t Func, uintptr_t Data,
        void *ConfigPtr)
{
        printk(BIOS_WARNING, "Warning - AGESA callout: %s not supported\n",
                __func__);
        AGESA_STATUS Status = AGESA_UNSUPPORTED;
 
        return Status;
}
 
AGESA_STATUS agesa_IdleAnAp(uint32_t Func, uintptr_t Data, void *ConfigPtr)
{
        printk(BIOS_WARNING, "Warning - AGESA callout: %s no supported\n",
                __func__);
        AGESA_STATUS Status = AGESA_UNSUPPORTED;
 
        return Status;
}