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-rw-r--r--src/mainboard/ocp/deltalake/ipmi.c48
-rw-r--r--src/mainboard/ocp/deltalake/ipmi.h18
-rw-r--r--src/mainboard/ocp/deltalake/romstage.c8
3 files changed, 74 insertions, 0 deletions
diff --git a/src/mainboard/ocp/deltalake/ipmi.c b/src/mainboard/ocp/deltalake/ipmi.c
index 9c5a0c0cfe..790038f380 100644
--- a/src/mainboard/ocp/deltalake/ipmi.c
+++ b/src/mainboard/ocp/deltalake/ipmi.c
@@ -129,3 +129,51 @@ void init_frb2_wdt(void)
ipmi_stop_bmc_wdt(CONFIG_BMC_KCS_BASE);
}
}
+
+enum cb_err ipmi_set_cmos_clear(void)
+{
+ int ret;
+
+ struct ipmi_oem_rsp {
+ struct ipmi_rsp resp;
+ struct boot_order data;
+ } __packed;
+
+ struct ipmi_oem_rsp rsp;
+ struct boot_order req;
+
+ /* IPMI OEM get bios boot order command to check if the valid bit and
+ the CMOS clear bit are both set from the response BootMode byte. */
+
+ ret = ipmi_kcs_message(CONFIG_BMC_KCS_BASE, IPMI_NETFN_OEM, 0x0,
+ IPMI_OEM_GET_BIOS_BOOT_ORDER,
+ NULL, 0,
+ (unsigned char *) &rsp, sizeof(rsp));
+
+ if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
+ printk(BIOS_ERR, "IPMI: %s command failed (read ret=%d resp=0x%x)\n",
+ __func__, ret, rsp.resp.completion_code);
+ return CB_ERR;
+ }
+
+ if (!IS_CMOS_AND_VALID_BIT(rsp.data.boot_mode)) {
+ req = rsp.data;
+ SET_CMOS_AND_VALID_BIT(req.boot_mode);
+ ret = ipmi_kcs_message(CONFIG_BMC_KCS_BASE, IPMI_NETFN_OEM, 0x0,
+ IPMI_OEM_SET_BIOS_BOOT_ORDER,
+ (const unsigned char *) &req, sizeof(req),
+ (unsigned char *) &rsp, sizeof(rsp));
+
+ if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
+ printk(BIOS_ERR, "IPMI: %s command failed (sent ret=%d resp=0x%x)\n",
+ __func__, ret, rsp.resp.completion_code);
+ return CB_ERR;
+ }
+
+ printk(BIOS_INFO, "IPMI CMOS clear requested because CMOS data is invalid.\n");
+
+ return CB_SUCCESS;
+ }
+
+ return CB_SUCCESS;
+}
diff --git a/src/mainboard/ocp/deltalake/ipmi.h b/src/mainboard/ocp/deltalake/ipmi.h
index bb0b4a6e04..440a5056ba 100644
--- a/src/mainboard/ocp/deltalake/ipmi.h
+++ b/src/mainboard/ocp/deltalake/ipmi.h
@@ -10,6 +10,14 @@
#define IPMI_OEM_GET_PCIE_CONFIG 0xf4
#define IPMI_OEM_GET_BOARD_ID 0x37
#define IPMI_BMC_SET_POST_START 0x73
+#define IPMI_OEM_SET_BIOS_BOOT_ORDER 0x52
+#define IPMI_OEM_GET_BIOS_BOOT_ORDER 0x53
+
+#define CMOS_BIT (1 << 1)
+#define VALID_BIT (1 << 7)
+#define CLEAR_CMOS_AND_VALID_BIT(x) ((x) &= ~(CMOS_BIT | VALID_BIT))
+#define SET_CMOS_AND_VALID_BIT(x) ((x) |= (CMOS_BIT | VALID_BIT))
+#define IS_CMOS_AND_VALID_BIT(x) ((x)&CMOS_BIT && (x)&VALID_BIT)
enum config_type {
PCIE_CONFIG_UNKNOWN = 0x0,
@@ -26,9 +34,19 @@ struct ppin_req {
uint32_t cpu1_hi;
} __packed;
+struct boot_order {
+ uint8_t boot_mode;
+ uint8_t boot_dev0;
+ uint8_t boot_dev1;
+ uint8_t boot_dev2;
+ uint8_t boot_dev3;
+ uint8_t boot_dev4;
+} __packed;
+
enum cb_err ipmi_set_ppin(struct ppin_req *req);
enum cb_err ipmi_get_pcie_config(uint8_t *config);
enum cb_err ipmi_get_slot_id(uint8_t *slot_id);
enum cb_err ipmi_set_post_start(const int port);
void init_frb2_wdt(void);
+enum cb_err ipmi_set_cmos_clear(void);
#endif
diff --git a/src/mainboard/ocp/deltalake/romstage.c b/src/mainboard/ocp/deltalake/romstage.c
index b366fd9cde..f69ec60c73 100644
--- a/src/mainboard/ocp/deltalake/romstage.c
+++ b/src/mainboard/ocp/deltalake/romstage.c
@@ -126,3 +126,11 @@ void mainboard_memory_init_params(FSPM_UPD *mupd)
mainboard_config_iio(mupd);
mainboard_config_upd(mupd);
}
+
+void mainboard_rtc_failed(void)
+{
+ if (ipmi_set_cmos_clear() == CB_SUCCESS)
+ printk(BIOS_DEBUG, "%s: IPMI set cmos clear successful\n", __func__);
+ else
+ printk(BIOS_ERR, "%s: IPMI set cmos clear failed\n", __func__);
+}