1 files changed, 27 insertions, 0 deletions

diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
index 0a1283ce47f5..b764df64be40 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
@@ -722,3 +722,30 @@ int __cvmx_helper_board_hardware_enable(int interface)
         }
         return 0;
 }
+
+/**
+ * Get the clock type used for the USB block based on board type.
+ * Used by the USB code for auto configuration of clock type.
+ *
+ * Return USB clock type enumeration
+ */
+enum cvmx_helper_board_usb_clock_types __cvmx_helper_board_usb_get_clock_type(void)
+{
+        switch (cvmx_sysinfo_get()->board_type) {
+        case CVMX_BOARD_TYPE_BBGW_REF:
+        case CVMX_BOARD_TYPE_LANAI2_A:
+        case CVMX_BOARD_TYPE_LANAI2_U:
+        case CVMX_BOARD_TYPE_LANAI2_G:
+        case CVMX_BOARD_TYPE_NIC10E_66:
+        case CVMX_BOARD_TYPE_UBNT_E100:
+                return USB_CLOCK_TYPE_CRYSTAL_12;
+        case CVMX_BOARD_TYPE_NIC10E:
+                return USB_CLOCK_TYPE_REF_12;
+        default:
+                break;
+        }
+        /* Most boards except NIC10e use a 12MHz crystal */
+        if (OCTEON_IS_MODEL(OCTEON_FAM_2))
+                return USB_CLOCK_TYPE_CRYSTAL_12;
+        return USB_CLOCK_TYPE_REF_48;
+}