--- u-boot_orig/arch/arm/cpu/astcommon/ast_scu.h	1969-12-31 19:00:00.000000000 -0500
+++ u-boot_mod/arch/arm/cpu/astcommon/ast_scu.h	2015-12-23 20:00:32.416568654 -0500
@@ -0,0 +1,96 @@
+/********************************************************************************
+* File Name     : arch/arm/mach-aspeed/include/plat/ast-scu.h
+* Author        : Ryan Chen
+* Description   : AST SCU Service Header
+*
+* Copyright (C) 2012-2020  ASPEED Technology Inc.
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by the Free Software Foundation;
+* either version 2 of the License, or (at your option) any later version.
+* This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY;
+* without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*   History      :
+*      1. 2012/08/03 Ryan Chen create this file
+*
+********************************************************************************/
+
+#ifndef __AST_SCU_H_INCLUDED
+#define __AST_SCU_H_INCLUDED
+
+//information
+extern void ast_scu_show_system_info (void);
+extern void ast_scu_sys_rest_info(void);
+extern u32 ast_scu_revision_id(void);
+extern u32 ast_scu_get_phy_interface(u8 mac_num);
+extern u32 ast_scu_get_phy_config(u8 mac_num);
+extern u32 ast_scu_get_vga_memsize(void);
+extern void ast_scu_get_who_init_dram(void);
+
+
+//CLK 
+extern void ast_scu_uart_div(void);
+extern u32 ast_get_clk_source(void);
+extern u32 ast_get_h_pll_clk(void);
+extern u32 ast_get_ahb_div(void);
+
+extern u32 ast_get_m_pll_clk(void);
+extern u32 ast_get_pclk(void);
+extern u32 ast_get_sd_clock_src(void);
+extern u32 ast_get_d2_pll_clk(void);
+extern u32 ast_get_lhclk(void);
+
+extern void ast_scu_set_vga_display(u8 enable);
+extern u8 ast_scu_get_vga_display(void);
+
+extern u32 ast_scu_get_vga_memsize(void);
+
+//Ctrl Initial
+extern void ast_scu_init_video(u8 dynamic_en);
+extern void ast_scu_reset_video(void);
+extern void ast_scu_init_eth(u8 num);
+extern void ast_scu_init_lpc(void);
+extern u8 ast_scu_get_lpc_plus_enable(void);
+extern void ast_scu_init_usb20(void);
+extern void ast_scu_init_uhci(void);
+
+extern void ast_scu_init_sdhci(void);
+extern void ast_scu_init_i2c(void);
+extern void ast_scu_init_audio_codec(void);
+extern void ast_scu_init_pwm_tacho(void);
+extern void ast_scu_init_adc(void);
+extern void ast_scu_init_mctp(void);
+extern void ast_scu_init_pcie(void);
+extern void ast_scu_init_xdma(void);
+extern void ast_scu_init_peci(void);
+extern void ast_scu_init_jtag(void);
+extern void ast_scu_init_crt(void);
+
+//Share pin
+extern void ast_scu_multi_func_uart(u8 uart);
+extern void ast_scu_multi_func_video(void);
+extern void ast_scu_multi_func_eth(u8 num);
+
+extern void ast_scu_multi_func_nand(void);
+
+extern void ast_scu_multi_func_nor(void);
+
+extern void ast_scu_multi_func_romcs(u8 num);
+
+extern void ast_scu_multi_func_i2c(void);
+extern void ast_scu_multi_func_pwm_tacho(void);
+//0 : hub mode , 1: usb host mode
+extern void ast_scu_multi_func_usb20_host_hub(u8 mode);
+//0 : gpioQ6,7 mode , 1: usb1.1 host port 4 mode
+extern void ast_scu_multi_func_usb11_host_port4(u8 mode);
+//0 : USB 1.1 HID mode , 1: usb1.1 host port 2 mode
+extern void ast_scu_multi_func_usb11_host_port2(u8 mode);
+
+extern void ast_scu_multi_func_sdhc_slot1(u8 mode);
+extern void ast_scu_multi_func_sdhc_slot2(u8 mode);
+extern void ast_scu_multi_func_crt(void);
+#endif