+#define OMAP3EVM_GPIO_ETH_RST_GEN1 64
+#define OMAP3EVM_GPIO_ETH_RST_GEN2 7
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static u32 omap3_evm_version;
+
+u32 get_omap3_evm_rev(void)
+{
+ return omap3_evm_version;
+}
+
+static void omap3_evm_get_revision(void)
+{
+#if defined(CONFIG_CMD_NET)
+ /*
+ * Board revision can be ascertained only by identifying
+ * the Ethernet chipset.
+ */
+ unsigned int smsc_id;
+
+ /* Ethernet PHY ID is stored at ID_REV register */
+ smsc_id = readl(CONFIG_SMC911X_BASE + 0x50) & 0xFFFF0000;
+ printf("Read back SMSC id 0x%x\n", smsc_id);
+
+ switch (smsc_id) {
+ /* SMSC9115 chipset */
+ case 0x01150000:
+ omap3_evm_version = OMAP3EVM_BOARD_GEN_1;
+ break;
+ /* SMSC 9220 chipset */
+ case 0x92200000:
+ default:
+ omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
+ }
+#else
+#if defined(CONFIG_STATIC_BOARD_REV)
+ /*
+ * Look for static defintion of the board revision
+ */
+ omap3_evm_version = CONFIG_STATIC_BOARD_REV;
+#else
+ /*
+ * Fallback to the default above.
+ */
+ omap3_evm_version = OMAP3EVM_BOARD_GEN_2;
+#endif
+#endif /* CONFIG_CMD_NET */
+}
+
+#ifdef CONFIG_USB_OMAP3
+/*
+ * MUSB port on OMAP3EVM Rev >= E requires extvbus programming.
+ */
+u8 omap3_evm_need_extvbus(void)
+{
+ u8 retval = 0;
+
+ if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2)
+ retval = 1;
+
+ return retval;
+}
+#endif
+