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-rw-r--r--src/vendorcode/amd/opensil/genoa_poc/ramstage.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/vendorcode/amd/opensil/genoa_poc/ramstage.c b/src/vendorcode/amd/opensil/genoa_poc/ramstage.c
index bde09f1e9e..96a37b455f 100644
--- a/src/vendorcode/amd/opensil/genoa_poc/ramstage.c
+++ b/src/vendorcode/amd/opensil/genoa_poc/ramstage.c
@@ -1,8 +1,10 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#include <RcMgr/DfX/RcManager4-api.h>
#include <amdblocks/reset.h>
#include <bootstate.h>
#include <cbmem.h>
+#include <cpu/cpu.h>
#include <xSIM-api.h>
#include "opensil_console.h"
@@ -38,6 +40,24 @@ static void SIL_STATUS_report(const char *function, const int status)
printk(log_level, "%s returned %d (%s)\n", function, status, error_string);
}
+static void setup_rc_manager_default(void)
+{
+ DFX_RCMGR_INPUT_BLK *rc_mgr_input_block = SilFindStructure(SilId_RcManager, 0);
+ /* Let openSIL distribute the resources to the different PCI roots */
+ rc_mgr_input_block->SetRcBasedOnNv = false;
+
+ /* Currently 1P is the only supported configuration */
+ rc_mgr_input_block->SocketNumber = 1;
+ rc_mgr_input_block->RbsPerSocket = 4; /* PCI root bridges per socket */
+ rc_mgr_input_block->McptEnable = true;
+ rc_mgr_input_block->PciExpressBaseAddress = CONFIG_ECAM_MMCONF_BASE_ADDRESS;
+ rc_mgr_input_block->BottomMmioReservedForPrimaryRb = 4ull * GiB - 32 * MiB;
+ rc_mgr_input_block->MmioSizePerRbForNonPciDevice = 16 * MiB;
+ /* MmioAbove4GLimit will be adjusted down in openSIL */
+ rc_mgr_input_block->MmioAbove4GLimit = POWER_OF_2(cpu_phys_address_size());
+ rc_mgr_input_block->Above4GMmioSizePerRbForNonPciDevice = 0;
+}
+
static void setup_opensil(void *unused)
{
const SIL_STATUS debug_ret = SilDebugSetup(HostDebugService);
@@ -48,6 +68,8 @@ static void setup_opensil(void *unused)
/* We run all openSIL timepoints in the same stage so using TP1 as argument is fine. */
const SIL_STATUS assign_mem_ret = xSimAssignMemoryTp1(buf, mem_req);
SIL_STATUS_report("xSimAssignMemory", assign_mem_ret);
+
+ setup_rc_manager_default();
}
BOOT_STATE_INIT_ENTRY(BS_DEV_INIT_CHIPS, BS_ON_ENTRY, setup_opensil, NULL);