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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>
This commit is contained in:
Jonathan Zhang 2022-10-21 18:55:38 -07:00 committed by Martin Roth
parent 830fec3fbb
commit 5c1dcd57ee
3 changed files with 44 additions and 1 deletions
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2
src/drivers/ipmi/ocp/Makefile.inc
View File

@ -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

11
src/drivers/ipmi/ocp/ipmi_ocp.h
View File

@ -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 @@ struct ipmi_sel_pcie_dev_fail {
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 @@ void ipmi_send_sel_pcie_dev_err(pci_devfn_t bdf, uint16_t prmry_cnt, uint8_t sec
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

32
src/drivers/ipmi/ocp/ipmi_sel.c
View File

@ -79,3 +79,35 @@ void ipmi_send_sel_pcie_dev_fail(uint16_t sts_reg, uint16_t src_id, enum fail_ty
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;
}