drivers/ipmi/ocp: add functions to get board configuration
These functions are added for ramstage:
* add IPMI OEM command to get board configuration.
* add function to get blade index in the sled.
Signed-off-by: Jingle Hsu <jingle_hsu@wiwynn.com>
Signed-off-by: Jonathan Zhang <jonzhang@meta.com>
Change-Id: I85ec7ba68d580c13e368e7d656dba47ea043d33e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68779
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Christian Walter <christian.walter@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/drivers/ipmi/ocp/Makefile.inc b/src/drivers/ipmi/ocp/Makefile.inc
index fc56364..2b492e1 100644
--- a/src/drivers/ipmi/ocp/Makefile.inc
+++ b/src/drivers/ipmi/ocp/Makefile.inc
@@ -1,4 +1,4 @@
-ramstage-$(CONFIG_IPMI_OCP) += ipmi_ocp.c
+ramstage-$(CONFIG_IPMI_OCP) += ipmi_ocp.c ipmi_sel.c
ifeq ($(CONFIG_IPMI_OCP),y)
romstage-$(CONFIG_IPMI_KCS_ROMSTAGE) += ipmi_ocp_romstage.c
smm-$(CONFIG_IPMI_BMC_SEL) += ipmi_sel.c
diff --git a/src/drivers/ipmi/ocp/ipmi_ocp.h b/src/drivers/ipmi/ocp/ipmi_ocp.h
index c479e52..571eafc 100644
--- a/src/drivers/ipmi/ocp/ipmi_ocp.h
+++ b/src/drivers/ipmi/ocp/ipmi_ocp.h
@@ -11,6 +11,7 @@
#define IPMI_BMC_SET_POST_START 0x73
#define IPMI_OEM_SET_BIOS_BOOT_ORDER 0x52
#define IPMI_OEM_GET_BIOS_BOOT_ORDER 0x53
+#define IPMI_OEM_GET_BOARD_ID 0x37
#define CMOS_BIT (1 << 1)
#define VALID_BIT (1 << 7)
@@ -101,6 +102,13 @@
uint8_t rsvd2;
} __packed;
+struct ipmi_config_rsp {
+ uint8_t board_sku_id;
+ uint8_t board_rev_id;
+ uint8_t slot_id;
+ uint8_t slot_config_id;
+} __packed;
+
#define SEL_RECORD_ID 0x01
#define SEL_PCIE_DEV_ERR 0x20
#define SEL_PCIE_IIO_ERR 0x23
@@ -167,4 +175,7 @@
uint8_t prmry_id);
void ipmi_send_sel_pcie_dev_fail(uint16_t sts_reg, uint16_t src_id, enum fail_type code);
void ipmi_send_sel_iio_err(uint8_t iio_stack_num, uint8_t err_id);
+
+enum cb_err ipmi_get_board_config(const int port, struct ipmi_config_rsp *config);
+uint8_t get_blade_id(void);
#endif
diff --git a/src/drivers/ipmi/ocp/ipmi_sel.c b/src/drivers/ipmi/ocp/ipmi_sel.c
index 55c0c3e..b10755f 100644
--- a/src/drivers/ipmi/ocp/ipmi_sel.c
+++ b/src/drivers/ipmi/ocp/ipmi_sel.c
@@ -79,3 +79,35 @@
printk(BIOS_DEBUG, "\terror_code = %x, src_id = %x\n", ubslp.type,
ubslp.failure_details2);
}
+
+enum cb_err ipmi_get_board_config(const int port, struct ipmi_config_rsp *config)
+{
+ int ret;
+ struct ipmi_oem_rsp {
+ struct ipmi_rsp resp;
+ struct ipmi_config_rsp data;
+ } __packed;
+
+ struct ipmi_oem_rsp rsp;
+
+ ret = ipmi_message(port, IPMI_NETFN_OEM, 0x0, IPMI_OEM_GET_BOARD_ID, NULL, 0,
+ (unsigned char *)&rsp, sizeof(rsp));
+ if (ret < sizeof(struct ipmi_rsp) || rsp.resp.completion_code) {
+ printk(BIOS_ERR, "IPMI: %s command failed (ret=%d resp=0x%x)\n",
+ __func__, ret, rsp.resp.completion_code);
+ return CB_ERR;
+ }
+ *config = rsp.data;
+ return CB_SUCCESS;
+}
+
+__weak uint8_t get_blade_id(void)
+{
+ struct ipmi_config_rsp rsp = {.slot_id = UINT8_MAX};
+
+ if (CONFIG(IPMI_KCS) && CONFIG_BMC_KCS_BASE) {
+ if (ipmi_get_board_config(CONFIG_BMC_KCS_BASE, &rsp) != CB_SUCCESS)
+ return UINT8_MAX;
+ }
+ return rsp.slot_id;
+}