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-rw-r--r--src/mainboard/ocp/deltalake/ramstage.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/src/mainboard/ocp/deltalake/ramstage.c b/src/mainboard/ocp/deltalake/ramstage.c
index 89d466b66c..e00f1c391e 100644
--- a/src/mainboard/ocp/deltalake/ramstage.c
+++ b/src/mainboard/ocp/deltalake/ramstage.c
@@ -1,5 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
+#include <assert.h>
#include <console/console.h>
#include <bootstate.h>
#include <drivers/ipmi/ipmi_ops.h>
@@ -7,6 +8,7 @@
#include <gpio.h>
#include <soc/lewisburg_pch_gpio_defs.h>
#include <soc/ramstage.h>
+#include <soc/soc_util.h>
#include <stdio.h>
#include <string.h>
#include <smbios.h>
@@ -14,6 +16,7 @@
#include <device/pci_ops.h>
#include <soc/util.h>
#include <hob_iiouds.h>
+#include <hob_memmap.h>
#include <cpxsp_dl_gpio.h>
#include "ipmi.h"
@@ -67,15 +70,37 @@ slot_info slotinfo[] = {
{PSTACK2, SlotTypePciExpressGen3X16, SlotDataBusWidth16X, 0x00, "Mezz Card(Class-2)"},
};
+#define SPD_REGVID_LEN 6
+/* A 4-digit long number plus a space */
+static void write_oem_word(uint16_t val, char *str)
+{
+ snprintf(str, SPD_REGVID_LEN, "%04x ", val);
+}
+
static void dl_oem_smbios_strings(struct device *dev, struct smbios_type11 *t)
{
uint8_t pcie_config = 0;
+ const struct SystemMemoryMapHob *hob;
+ char spd_reg_vid[SPD_REGVID_LEN];
+ char empty[1] = "";
+ char *oem_str7 = empty;
/* OEM string 1 to 6 */
ocp_oem_smbios_strings(dev, t);
- /* TODO: Add real OEM string 7, add TBF for now */
- t->count = smbios_add_oem_string(t->eos, TBF);
+ /* OEM string 7 is the register vendor ID in SPD for each DIMM strung together */
+ hob = get_system_memory_map();
+ assert(hob != NULL);
+ /* There are at most 6 channels and 2 DIMMs per channel, but Delta Lake has 6 DIMMs,
+ e.g. b300 0000 b300 0000 b300 0000 b300 0000 b300 0000 b300 0000 */
+ for (int ch = 0; ch < MAX_CH; ch++) {
+ for (int dimm = 0; dimm < MAX_IMC; dimm++) {
+ write_oem_word(hob->Socket[0].ChannelInfo[ch].DimmInfo[dimm].SPDRegVen,
+ spd_reg_vid);
+ oem_str7 = strconcat(oem_str7, spd_reg_vid);
+ }
+ }
+ t->count = smbios_add_oem_string(t->eos, oem_str7);
/* Add OEM string 8 */
if (ipmi_get_pcie_config(&pcie_config) == CB_SUCCESS) {