fby3.5: hd: Add get card type command (#442)

Summary:
- Add IPMI get card type OEM command(Netfn:0x38, cmd:0xA1).

Pull Request resolved: #442

Test Plan: - Build code: PASS

Reviewed By: williamspatrick

Differential Revision: D38376162

Pulled By: garnermic

fbshipit-source-id: 61d0f0ee8b7d045ef760aa123631d099f8d0e76e

meta-facebook/yv35-hd/src/ipmi/include/plat_ipmi.h

@@ -1,4 +1,9 @@
 #ifndef PLAT_IPMI_H
 #define PLAT_IPMI_H
 
+enum REQ_GET_CARD_TYPE {
+	GET_1OU_CARD_TYPE = 0x0,
+	GET_2OU_CARD_TYPE,
+};
+
 #endif

meta-facebook/yv35-hd/src/ipmi/plat_ipmi.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "ipmi.h"
+#include "plat_ipmi.h"
+#include "plat_class.h"
+
+void OEM_1S_GET_CARD_TYPE(ipmi_msg *msg)
+{
+	if (msg == NULL) {
+		printf("[%s] Failed due to parameter *msg is NULL\n", __func__);
+		return;
+	}
+
+	if (msg->data_len != 1) {
+		msg->completion_code = CC_INVALID_LENGTH;
+		return;
+	}
+
+	CARD_STATUS _1ou_status = get_1ou_status();
+	CARD_STATUS _2ou_status = get_2ou_status();
+	switch (msg->data[0]) {
+	case GET_1OU_CARD_TYPE:
+		msg->data_len = 2;
+		msg->completion_code = CC_SUCCESS;
+		msg->data[0] = GET_1OU_CARD_TYPE;
+		if (_1ou_status.present) {
+			msg->data[1] = _1ou_status.card_type;
+		} else {
+			msg->data[1] = TYPE_1OU_ABSENT;
+		}
+		break;
+	case GET_2OU_CARD_TYPE:
+		msg->data_len = 2;
+		msg->completion_code = CC_SUCCESS;
+		msg->data[0] = GET_2OU_CARD_TYPE;
+		if (_2ou_status.present) {
+			msg->data[1] = _2ou_status.card_type;
+		} else {
+			msg->data[1] = TYPE_2OU_ABSENT;
+		}
+		break;
+	default:
+		msg->data_len = 0;
+		msg->completion_code = CC_INVALID_DATA_FIELD;
+		break;
+	}
+
+	return;
+}

meta-facebook/yv35-hd/src/platform/plat_class.c

@@ -8,6 +8,7 @@
 
 #define CPLD_ADDR 0x21 // 7-bit address
 #define CPLD_CLASS_TYPE_REG 0x05
+#define CPLD_2OU_EXPANSION_CARD_REG 0x06
 #define CPLD_BOARD_REV_ID_REG 0x08
 #define CPLD_1OU_CARD_DETECTION 0x09
 #define I2C_DATA_SIZE 5
@@ -17,6 +18,7 @@
 static uint8_t system_class = SYS_CLASS_1;
 static uint8_t board_revision = 0x3F;
 static CARD_STATUS _1ou_status = { false, TYPE_1OU_UNKNOWN };
+static CARD_STATUS _2ou_status = { false, TYPE_2OU_UNKNOWN };
 
 /* ADC information for each channel
  * offset: register offset
@@ -76,6 +78,11 @@ CARD_STATUS get_1ou_status()
 	return _1ou_status;
 }
 
+CARD_STATUS get_2ou_status()
+{
+	return _2ou_status;
+}
+
 uint8_t get_board_revision()
 {
 	return board_revision;
@@ -156,6 +163,7 @@ void init_platform_config()
 	if (!i2c_master_read(&i2c_msg, retry)) {
 		class_type = i2c_msg.data[0];
 		_1ou_status.present = ((class_type & BIT(2)) ? false : true);
+		_2ou_status.present = ((class_type & BIT(3)) ? false : true);
 	} else {
 		printf("Failed to read expansion present from CPLD\n");
 	}
@@ -186,8 +194,8 @@ void init_platform_config()
 	} else {
 		printf("Failed to read board ID from CPLD\n");
 	}
-	printk("BIC class type(class-%d), 1ou present status(%d), board revision(0x%x)\n",
-	       system_class, (int)_1ou_status.present, board_revision);
+	printk("BIC class type(class-%d), 1ou present status(%d), 2ou present status(%d), board revision(0x%x)\n",
+	       system_class, (int)_1ou_status.present, (int)_2ou_status.present, board_revision);
 
 	/* BIC judges the 1OU card type according the ADC-6(0-based) voltage.
 	 * The 1OU card type is
@@ -266,5 +274,27 @@ void init_platform_config()
 		}
 	}
 
+	if (_2ou_status.present) {
+		tx_len = 1;
+		rx_len = 1;
+		memset(data, 0, I2C_DATA_SIZE);
+		data[0] = CPLD_2OU_EXPANSION_CARD_REG;
+		i2c_msg = construct_i2c_message(I2C_BUS1, CPLD_ADDR, tx_len, data, rx_len);
+		if (!i2c_master_read(&i2c_msg, retry)) {
+			switch (i2c_msg.data[0]) {
+			case TYPE_2OU_DPV2_8:
+			case TYPE_2OU_DPV2_16:
+			case (TYPE_2OU_DPV2_8 | TYPE_2OU_DPV2_16):
+				_2ou_status.card_type = i2c_msg.data[0];
+				break;
+			default:
+				_2ou_status.card_type = TYPE_2OU_UNKNOWN;
+				printf("Unknown the 2OU card type, the card type read from CPLD is 0x%x\n",
+				       i2c_msg.data[0]);
+				break;
+			}
+		}
+	}
+
 	SAFE_FREE(data);
 }

meta-facebook/yv35-hd/src/platform/plat_class.h

@@ -37,6 +37,13 @@ enum _1OU_CARD_TYPE_ {
 	TYPE_1OU_UNKNOWN = 0xFF,
 };
 
+enum _2OU_CARD_TYPE_ {
+	TYPE_2OU_DPV2_8 = 0x07, // DPV2x8
+	TYPE_2OU_DPV2_16 = 0x70, // DPV2x16
+	TYPE_2OU_ABSENT = 0xFE,
+	TYPE_2OU_UNKNOWN = 0xFF,
+};
+
 /* ADC channel number */
 enum ADC_CHANNEL {
 	CHANNEL_6 = 6,
@@ -49,6 +56,7 @@ enum BIC_CARD_PRESENT {
 
 uint8_t get_system_class();
 CARD_STATUS get_1ou_status();
+CARD_STATUS get_2ou_status();
 uint8_t get_board_revision();
 bool get_adc_voltage(int channel, float *voltage);
 void init_platform_config();