diff --git a/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/platform_lib.h b/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/platform_lib.h
index 9a1257d6..9aa30654 100644
--- a/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/platform_lib.h
+++ b/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/platform_lib.h
@@ -52,6 +52,7 @@
 #define SFP_HWMON_NODE(node)     SFP_HWMON_PREFIX#node
 #define SFP_HWMON_DOM_PREFIX "/sys/bus/i2c/devices/3-0051/"
 #define SFP_HWMON_DOM_NODE(node)     SFP_HWMON_DOM_PREFIX#node
+#define SFP_BUS           3
 
 int deviceNodeWriteInt(char *filename, int value, int data_len);
 int deviceNodeReadBinary(char *filename, char *buffer, int buf_size, int data_len);
diff --git a/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/sfpi.c b/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/sfpi.c
index d4c084d9..0d320d4e 100644
--- a/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/sfpi.c
+++ b/packages/platforms/accton/powerpc/powerpc-accton-as5710-54x/onlp/builds/src/module/src/sfpi.c
@@ -30,7 +30,7 @@
 #include <string.h>
 #include <unistd.h>
 #include <sys/ioctl.h>
-
+#include <onlplib/i2c.h>
 #include "platform_lib.h"
 
 static int
@@ -333,6 +333,75 @@ onlp_sfpi_dom_read(int port, uint8_t data[256])
     return ONLP_STATUS_OK;
 }
 
+int
+onlp_sfpi_dev_readb(int port, uint8_t devaddr, uint8_t addr)
+{
+    int rc;
+
+    if (set_active_port(port+1) != 0) {
+        AIM_LOG_ERROR("Unable to set active port(%d)\r\n", port);
+        return ONLP_STATUS_E_INTERNAL;
+    }
+
+    rc= onlp_i2c_readb(SFP_BUS, devaddr, addr, ONLP_I2C_F_FORCE);
+
+    set_active_port(0);
+
+    return rc;
+}
+
+int
+onlp_sfpi_dev_writeb(int port, uint8_t devaddr, uint8_t addr, uint8_t value)
+{
+    int rc;
+
+    if (set_active_port(port+1) != 0) {
+        AIM_LOG_ERROR("Unable to set active port(%d)\r\n", port);
+        return ONLP_STATUS_E_INTERNAL;
+    }
+
+    rc = onlp_i2c_writeb(SFP_BUS, devaddr, addr, value, ONLP_I2C_F_FORCE);
+
+    set_active_port(0);
+
+    return rc;
+}
+
+int
+onlp_sfpi_dev_readw(int port, uint8_t devaddr, uint8_t addr)
+{
+    int rc;
+
+    if (set_active_port(port+1) != 0) {
+        AIM_LOG_ERROR("Unable to set active port(%d)\r\n", port);
+        return ONLP_STATUS_E_INTERNAL;
+    }
+
+    rc= onlp_i2c_readw(SFP_BUS, devaddr, addr, ONLP_I2C_F_FORCE);
+
+    set_active_port(0);
+
+    return rc;
+}
+
+int
+onlp_sfpi_dev_writew(int port, uint8_t devaddr, uint8_t addr, uint16_t value)
+{
+    int rc;
+
+    if (set_active_port(port+1) != 0) {
+        AIM_LOG_ERROR("Unable to set active port(%d)\r\n", port);
+        return ONLP_STATUS_E_INTERNAL;
+    }
+
+    rc = onlp_i2c_writew(SFP_BUS, devaddr, addr, value, ONLP_I2C_F_FORCE);
+
+    set_active_port(0);
+
+    return rc;
+
+}
+
 int
 onlp_sfpi_control_set(int port, onlp_sfp_control_t control, int value)
 {