drivers/ipmi/ocp: Add ipmi set processor information

Implement setting processor information to BMC based on
document YosemiteV3_BMC_Feature_Spec_v1.7.

TEST=Use get command in OpenBMC to check.
Command and information are shown as below:

root@bmc-oob:~# ipmi-util 1 0xd8 0x11 0x4c 0x1c 0x00 0 1
DC 11 00 47 65 6E 75 69 6E 65 20 49 6E 74 65 6C 28 52 29
20 43 50 55 20 30 30 30 30 25 40 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00
root@bmc-oob:~# ipmi-util 1 0xd8 0x11 0x4c 0x1c 0x00 0 2
DC 11 00 1A 34 00 DC 05 41 30
root@bmc-oob:~#

Signed-off-by: Tim Chu <Tim.Chu@quantatw.com>
Change-Id: I3d53ac241a11ca962572816283a0c653fcde9f9e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42242
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/drivers/ipmi/ocp/Kconfig

@@ -3,3 +3,8 @@ config IPMI_OCP
 	default n
 	help
 	  This implements OCP specific IPMI command
+
+config IPMI_OCP_MANU_ID
+	hex
+	default 0x0
+	depends on IPMI_OCP

src/drivers/ipmi/ocp/ipmi_ocp.c

@@ -10,10 +10,110 @@
 #include <console/console.h>
 #include <device/device.h>
 #include <device/pnp.h>
+#include <string.h>
+#include <intelblocks/cpulib.h>
+#include <arch/cpu.h>
 #include "chip.h"
 #include "drivers/ipmi/ipmi_kcs.h"
 #include "ipmi_ocp.h"
 
+static int ipmi_set_processor_information_param1(struct device *dev)
+{
+	int ret;
+	struct ipmi_processor_info_param1_req req1 = {0};
+	struct ipmi_rsp rsp;
+	int mfid = CONFIG_IPMI_OCP_MANU_ID;
+
+	memcpy(&req1.data.manufacturer_id, &mfid, 3);
+	printk(BIOS_DEBUG, "IPMI BMC manufacturer id: %02x%02x%02x\n",
+		req1.data.manufacturer_id[2], req1.data.manufacturer_id[1],
+		req1.data.manufacturer_id[0]);
+
+	req1.data.index = 0;
+	req1.data.parameter_selector = 1;
+
+	/* Get processor name. */
+	fill_processor_name(req1.product_name);
+	printk(BIOS_DEBUG, "IPMI BMC CPU NAME: %s.\n", req1.product_name);
+
+	ret = ipmi_kcs_message(dev->path.pnp.port, IPMI_NETFN_OEM_COMMON, 0,
+				 IPMI_BMC_SET_PROCESSOR_INFORMATION, (u8 *) &req1,
+				 sizeof(req1), (u8 *) &rsp, sizeof(rsp));
+
+	if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) {
+		printk(BIOS_ERR, "IPMI BMC: %s command failed (ret=%d rsp=0x%x)\n",
+		       __func__, ret, rsp.completion_code);
+		return CB_ERR;
+	}
+	return CB_SUCCESS;
+}
+
+static int ipmi_set_processor_information_param2(struct device *dev)
+{
+	int ret;
+	struct ipmi_processor_info_param2_req req2 = {0};
+	struct ipmi_rsp rsp;
+	uint8_t stepping_id;
+	int mfid = CONFIG_IPMI_OCP_MANU_ID;
+	unsigned int core_count, thread_count;
+	struct cpuinfo_x86 c;
+
+	memcpy(&req2.data.manufacturer_id, &mfid, 3);
+	printk(BIOS_DEBUG, "IPMI BMC manufacturer id: %02x%02x%02x\n",
+		req2.data.manufacturer_id[2], req2.data.manufacturer_id[1],
+		req2.data.manufacturer_id[0]);
+
+	req2.data.index = 0;
+	req2.data.parameter_selector = 2;
+
+	/* Get core number and thread number. */
+	cpu_read_topology(&core_count, &thread_count);
+	req2.core_number = core_count;
+	req2.thread_number = thread_count;
+	printk(BIOS_DEBUG, "IPMI BMC CPU has %u cores, %u threads enabled.\n",
+	       req2.core_number, req2.thread_number);
+
+	/* Get processor frequency. */
+	req2.processor_freq = 100 * cpu_get_max_ratio();
+	printk(BIOS_DEBUG, "IPMI BMC CPU frequency is %u MHz.\n",
+	       req2.processor_freq);
+
+	/* Get revision. */
+	get_fms(&c, cpuid_eax(1));
+	stepping_id = c.x86_mask;
+	printk(BIOS_DEBUG, "IPMI BMC CPU stepping id is %x.\n", stepping_id);
+	switch (stepping_id) {
+	/* TBD */
+	case 0x0a:
+		req2.revision[0] = 'A';
+		req2.revision[1] = '0';
+		break;
+	default:
+		req2.revision[0] = 'X';
+		req2.revision[1] = 'X';
+	}
+
+	ret = ipmi_kcs_message(dev->path.pnp.port, IPMI_NETFN_OEM_COMMON, 0,
+				 IPMI_BMC_SET_PROCESSOR_INFORMATION, (u8 *) &req2,
+				 sizeof(req2), (u8 *) &rsp, sizeof(rsp));
+
+	if (ret < sizeof(struct ipmi_rsp) || rsp.completion_code) {
+		printk(BIOS_ERR, "IPMI: %s command failed (ret=%d rsp=0x%x)\n",
+		       __func__, ret, rsp.completion_code);
+		return CB_ERR;
+	}
+	return CB_SUCCESS;
+}
+
+static void ipmi_set_processor_information(struct device *dev)
+{
+	if (ipmi_set_processor_information_param1(dev))
+		printk(BIOS_ERR, "IPMI BMC set param 1 processor info failed\n");
+
+	if (ipmi_set_processor_information_param2(dev))
+		printk(BIOS_ERR, "IPMI BMC set param 2 processor info failed\n");
+}
+
 static void ipmi_ocp_init(struct device *dev)
 {
 	/* Add OCP specific IPMI command */
@@ -22,6 +122,9 @@ static void ipmi_ocp_init(struct device *dev)
 static void ipmi_ocp_final(struct device *dev)
 {
 	/* Add OCP specific IPMI command */
+
+	/* Send processor information */
+	ipmi_set_processor_information(dev);
 }
 
 static void ipmi_set_resources(struct device *dev)

src/drivers/ipmi/ocp/ipmi_ocp.h

@@ -3,4 +3,34 @@
 #ifndef __IPMI_OCP_H
 #define __IPMI_OCP_H
 
+#include <cpu/x86/msr.h>
+#include <cpu/x86/name.h>
+#include "drivers/ipmi/ipmi_kcs.h"
+
+#define IPMI_NETFN_OEM_COMMON			0x36
+#define  IPMI_BMC_SET_PROCESSOR_INFORMATION     0x10
+#define  IPMI_BMC_GET_PROCESSOR_INFORMATION     0x11
+
+#define MSR_CORE_THREAD_COUNT	0x35
+#define MSR_PLATFORM_INFO	0xce
+
+struct ipmi_processor_info_req {
+	uint8_t manufacturer_id[3];
+	uint8_t index;
+	uint8_t parameter_selector;
+} __packed;
+
+struct ipmi_processor_info_param1_req {
+	struct ipmi_processor_info_req data;
+	char product_name[48];
+} __packed;
+
+struct ipmi_processor_info_param2_req {
+	struct ipmi_processor_info_req data;
+	uint8_t core_number;
+	uint16_t thread_number;
+	uint16_t processor_freq;
+	char revision[2];
+} __packed;
+
 #endif