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mb/ocp/deltalake: Add SMBIOS OEM string for SPD register vendor ID 

Tested=On OCP Delta Lake, with FSP WW36 dmidecode -t 11 can see the
SPD register vendor ID
String 7: b300 0000 b300 0000 b300 0000 b300 0000 b300 0000 b300 0000

Change-Id: I15ab9b4c709eb97a03d6e08fe0bcdcb7f8607db0
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44545
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Johnny Lin 2020-08-18 19:09:10 +08:00 committed by Patrick Georgi
parent e4d27f6b4f
commit 9da0279e1a
1 changed files with 27 additions and 2 deletions
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29
src/mainboard/ocp/deltalake/ramstage.c
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@ -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) {