mb/ocp/deltalake: Populate SMBIOS data and set the read PPIN to BMC

1. Populate SMBIOS data from OCP_DMI driver read from FRU and PPIN MSR
   for OEM string 1 to 6, add string 8 for PCIE configuration.
2. Set the read PPIN MSR to BMC.

Tested on OCP Delta Lake.

Change-Id: I9127cf5da1c56d8012694d070615aec24cc22fdf
Signed-off-by: Johnny Lin <johnny_lin@wiwynn.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41279
Reviewed-by: Jonathan Zhang <jonzhang@fb.com>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/mainboard/ocp/deltalake/ramstage.c b/src/mainboard/ocp/deltalake/ramstage.c
index c4da628709..a8f92ad04a 100644
--- a/src/mainboard/ocp/deltalake/ramstage.c
+++ b/src/mainboard/ocp/deltalake/ramstage.c
@@ -1,7 +1,72 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <console/console.h>
+#include <drivers/ipmi/ipmi_ops.h>
+#include <drivers/ocp/dmi/ocp_dmi.h>
 #include <soc/ramstage.h>
 
+#include "ipmi.h"
+
+extern struct fru_info_str fru_strings;
+
+static void dl_oem_smbios_strings(struct device *dev, struct smbios_type11 *t)
+{
+	uint8_t pcie_config = 0;
+
+	/* 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);
+
+	/* Add OEM string 8 */
+	if (ipmi_get_pcie_config(&pcie_config) == CB_SUCCESS) {
+		switch (pcie_config) {
+		case PCIE_CONFIG_UNKNOWN:
+			t->count = smbios_add_oem_string(t->eos, "0x0: Unknown");
+			break;
+		case PCIE_CONFIG_A:
+			t->count = smbios_add_oem_string(t->eos, "0x1: YV3 Config-A");
+			break;
+		case PCIE_CONFIG_B:
+			t->count = smbios_add_oem_string(t->eos, "0x2: YV3 Config-B");
+			break;
+		case PCIE_CONFIG_C:
+			t->count = smbios_add_oem_string(t->eos, "0x3: YV3 Config-C");
+			break;
+		case PCIE_CONFIG_D:
+			t->count = smbios_add_oem_string(t->eos, "0x4: YV3 Config-D");
+			break;
+		default:
+			t->count = smbios_add_oem_string(t->eos, "Check BMC return data");
+		}
+	} else {
+		printk(BIOS_ERR, "Failed to get IPMI PCIe config\n");
+	}
+}
+
+static void mainboard_enable(struct device *dev)
+{
+	dev->ops->get_smbios_strings = dl_oem_smbios_strings,
+	read_fru_areas(CONFIG_BMC_KCS_BASE, CONFIG_FRU_DEVICE_ID, 0, &fru_strings);
+}
+
 void mainboard_silicon_init_params(FSPS_UPD *params)
 {
 }
+
+static void mainboard_final(void *chip_info)
+{
+	struct ppin_req req = {0};
+
+	req.cpu0_lo = xeon_sp_ppin[0].lo;
+	req.cpu0_hi = xeon_sp_ppin[0].hi;
+	/* Set PPIN to BMC */
+	if (ipmi_set_ppin(&req) != CB_SUCCESS)
+		printk(BIOS_ERR, "ipmi_set_ppin failed\n");
+}
+
+struct chip_operations mainboard_ops = {
+	.enable_dev = mainboard_enable,
+	.final = mainboard_final,
+};