"[uboot-xburst]-add-n516-sakc-support

only make them compile. not test in device yet. Signed-off-by: Xiangfu Liu <xiangfu@sharism.cc>
2024-12-03 21:09:42 +02:00 · 2010-07-09 18:03:51 +08:00 · 2010-07-09 18:03:51 +08:00 · 5c418bdbf3
commit 5c418bdbf3
parent 3fd52fe91a
16 changed files with 1233 additions and 5 deletions
--- a/package/uboot-xburst/files/arch/mips/cpu/xburst/Makefile
+++ b/package/uboot-xburst/files/arch/mips/cpu/xburst/Makefile
@ -26,13 +26,15 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)lib$(CPU).a

 START	= start.o
-COBJS = cpu.o interrupts.o jz4740.o jz_serial.o 
+SOBJS-y	= 
+COBJS-y = cpu.o interrupts.o jz4740.o jz_serial.o 

-COBJS += jz_mmc.o
-COBJS += nanonote_gpm940b0.o
+COBJS-y += jz_mmc.o
+COBJS-$(CONFIG_NANONOTE) += nanonote_gpm940b0.o
+COBJS-$(CONFIG_SAKC)	+= nanonote_gpm940b0.o

-SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))
+SRCS	:= $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
 START	:= $(addprefix $(obj),$(START))

 all:	$(obj).depend $(START) $(LIB)
--- a/package/uboot-xburst/files/board/xburst/n516/Makefile
+++ b/package/uboot-xburst/files/board/xburst/n516/Makefile
@ -0,0 +1,40 @@
+#
+# (C) Copyright 2006
+# Ingenic Semiconductor, <jlwei@ingenic.cn>
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o flash.o
+
+OBJS	= $(addprefix $(obj),$(COBJS))
+SOBJS	= 
+
+$(LIB):	$(obj).depend $(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- a/package/uboot-xburst/files/board/xburst/n516/config.mk
+++ b/package/uboot-xburst/files/board/xburst/n516/config.mk
@ -0,0 +1,33 @@
+#
+# (C) Copyright 2006
+# Ingenic Semiconductor, <jlwei@ingenic.cn>
+#
+# 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
+#
+
+#
+# Hanvon n516 e-book, MIPS32 core
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+# ROM version
+TEXT_BASE = 0x88000000
+
+# RAM version
+#TEXT_BASE = 0x80100000
+endif
--- a/package/uboot-xburst/files/board/xburst/n516/flash.c
+++ b/package/uboot-xburst/files/board/xburst/n516/flash.c
@ -0,0 +1,50 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+#include <common.h>
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];	/* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init (void)
+{
+	return (0);
+}
+
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+	printf ("flash_erase not implemented\n");
+	return 0;
+}
+
+void flash_print_info (flash_info_t * info)
+{
+	printf ("flash_print_info not implemented\n");
+}
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+	printf ("write_buff not implemented\n");
+	return (-1);
+}
--- a/package/uboot-xburst/files/board/xburst/n516/n516.c
+++ b/package/uboot-xburst/files/board/xburst/n516/n516.c
@ -0,0 +1,126 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/mipsregs.h>
+#include <asm/jz4740.h>
+#include <asm/addrspace.h>
+#include <asm/cacheops.h>
+
+void _machine_restart(void)
+{
+	__wdt_select_extalclk();
+	__wdt_select_clk_div64();
+	__wdt_set_data(100);
+	__wdt_set_count(0);
+	__tcu_start_wdt_clock();
+	__wdt_start();
+	while(1);
+
+}
+
+static void gpio_init(void)
+{
+
+	REG_GPIO_PXPES(0) = 0xffffffff;
+	REG_GPIO_PXPES(1) = 0xffffffff;
+	REG_GPIO_PXPES(2) = 0xffffffff;
+	REG_GPIO_PXPES(3) = 0xffffffff;
+
+	/*
+	 * Initialize NAND Flash Pins
+	 */
+	__gpio_as_nand();
+
+	/*
+	 * Initialize SDRAM pins
+	 */
+	__gpio_as_sdram_32bit();
+
+	/*
+	 * Initialize UART0 pins
+	 */
+	__gpio_as_uart0();
+
+	/*
+	 * Initialize MSC pins
+	 */
+	__gpio_as_msc();
+
+	/*
+	 * Initialize LCD pins
+	 */
+	__gpio_as_lcd_16bit();
+
+	/*
+	 * Initialize Other pins
+	 */
+	__gpio_as_output(GPIO_SD_VCC_EN_N);
+	__gpio_clear_pin(GPIO_SD_VCC_EN_N);
+
+	__gpio_as_input(GPIO_SD_CD_N);
+	__gpio_disable_pull(GPIO_SD_CD_N);
+
+	__gpio_as_output(GPIO_DISP_OFF_N);
+
+	__gpio_as_output(GPIO_LED_EN);
+	__gpio_set_pin(GPIO_LED_EN);
+
+	__gpio_as_input(127);
+}
+
+static void cpm_init(void)
+{
+	__cpm_stop_ipu();
+	__cpm_stop_cim();
+	__cpm_stop_i2c();
+	__cpm_stop_ssi();
+	__cpm_stop_uart1();
+	__cpm_stop_sadc();
+	__cpm_stop_uhc();
+	__cpm_stop_udc();
+	__cpm_stop_aic1();
+	__cpm_stop_aic2();
+	__cpm_suspend_udcphy();
+	__cpm_suspend_usbphy();
+}
+
+//----------------------------------------------------------------------
+// board early init routine
+
+void board_early_init(void)
+{
+	gpio_init();
+	cpm_init();
+}
+
+//----------------------------------------------------------------------
+// U-Boot common routines
+
+int checkboard (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	printf("Board: Hanvon n516 e-book (CPU Speed %d MHz)\n",
+	       gd->cpu_clk/1000000);
+
+	return 0; /* success */
+}
--- a/package/uboot-xburst/files/board/xburst/n516/u-boot-nand.lds
+++ b/package/uboot-xburst/files/board/xburst/n516/u-boot-nand.lds
@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text       :
+	{
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata  : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data  : { *(.data) }
+
+	. = ALIGN(4);
+	.sdata  : { *(.sdata) }
+
+	_gp = ALIGN(16);
+
+	__got_start = .;
+	.got  : { *(.got) }
+	__got_end = .;
+
+	.sdata  : { *(.sdata) }
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	uboot_end_data = .;
+	num_got_entries = (__got_end - __got_start) >> 2;
+
+	. = ALIGN(4);
+	.sbss  : { *(.sbss) }
+	.bss  : { *(.bss) }
+	uboot_end = .;
+}
--- a/package/uboot-xburst/files/board/xburst/n516/u-boot.lds
+++ b/package/uboot-xburst/files/board/xburst/n516/u-boot.lds
@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text       :
+	{
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata  : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data  : { *(.data) }
+
+	. = ALIGN(4);
+	.sdata  : { *(.sdata) }
+
+	_gp = ALIGN(16);
+
+	__got_start = .;
+	.got  : { *(.got) }
+	__got_end = .;
+
+	.sdata  : { *(.sdata) }
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	uboot_end_data = .;
+	num_got_entries = (__got_end - __got_start) >> 2;
+
+	. = ALIGN(4);
+	.sbss  : { *(.sbss) }
+	.bss  : { *(.bss) }
+	uboot_end = .;
+}
--- a/package/uboot-xburst/files/board/xburst/sakc/Makefile
+++ b/package/uboot-xburst/files/board/xburst/sakc/Makefile
@ -0,0 +1,38 @@
+#
+# (C) Copyright 2006
+# Ingenic Semiconductor, <jlwei@ingenic.cn>
+#
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= lib$(BOARD).a
+
+OBJS	= $(BOARD).o 
+SOBJS	= 
+
+$(LIB):	.depend $(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude .depend
+
+#########################################################################
--- a/package/uboot-xburst/files/board/xburst/sakc/config.mk
+++ b/package/uboot-xburst/files/board/xburst/sakc/config.mk
@ -0,0 +1,31 @@
+#
+# (C) Copyright 2006 Qi Hardware, Inc.
+# Author: Xiangfu Liu <xiangfu.z@gmail.com>
+#
+# 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
+#
+
+#
+# SAKC Board
+#
+
+ifndef TEXT_BASE
+# ROM version
+# TEXT_BASE = 0x88000000
+
+# RAM version
+TEXT_BASE = 0x80100000
+endif
--- a/package/uboot-xburst/files/board/xburst/sakc/sakc.c
+++ b/package/uboot-xburst/files/board/xburst/sakc/sakc.c
@ -0,0 +1,94 @@
+/*
+ * Authors: Xiangfu Liu <xiangfu.z@gmail.com>
+ *
+ * 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
+ * 3 of the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/mipsregs.h>
+#include <asm/jz4740.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static void gpio_init(void)
+{
+	/*
+	 * Initialize NAND Flash Pins
+	 */
+	__gpio_as_nand();
+
+	/*
+	 * Initialize SDRAM pins
+	 */	
+	__gpio_as_sdram_16bit_4725();
+
+	/*
+	 * Initialize UART0 pins
+	 */
+	__gpio_as_uart0();
+
+	/*
+	 * Initialize LCD pins
+	 */
+	__gpio_as_lcd_18bit();
+
+	/*
+	 * Initialize MSC pins
+	 */
+	__gpio_as_msc();
+
+	/*
+	 * Initialize SSI pins
+	 */
+	__gpio_as_ssi();
+
+	/*
+	 * Initialize I2C pins
+	 */
+	__gpio_as_i2c();
+
+	/*
+	 * Initialize MSC pins
+	 */
+	__gpio_as_msc();
+
+	/*
+	 * Initialize Other pins
+	 */
+	__gpio_as_input(GPIO_SD_DETECT);
+	__gpio_disable_pull(GPIO_SD_DETECT);
+}
+/* TODO SAKC
+static void cpm_init(void)
+{
+	__cpm_stop_ipu();
+	__cpm_stop_cim();
+	__cpm_stop_i2c();
+	__cpm_stop_ssi();
+	__cpm_stop_uart1();
+	__cpm_stop_sadc();
+	__cpm_stop_uhc();
+	__cpm_stop_aic1();
+	__cpm_stop_aic2();
+}*/
+
+void board_early_init(void)
+{
+	gpio_init();
+	//cpm_init(); //TODO SAKC
+}
+
+/* U-Boot common routines */
+
+int checkboard (void)
+{
+
+	printf("Board: SAKC (Ingenic XBurst Jz4725 SoC, Speed %d MHz)\n",
+	       gd->cpu_clk/1000000);
+
+	return 0; /* success */
+}
--- a/package/uboot-xburst/files/board/xburst/sakc/u-boot-nand.lds
+++ b/package/uboot-xburst/files/board/xburst/sakc/u-boot-nand.lds
@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text       :
+	{
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata  : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data  : { *(.data) }
+
+	. = ALIGN(4);
+	.sdata  : { *(.sdata) }
+
+	_gp = ALIGN(16);
+
+	__got_start = .;
+	.got  : { *(.got) }
+	__got_end = .;
+
+	.sdata  : { *(.sdata) }
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	uboot_end_data = .;
+	num_got_entries = (__got_end - __got_start) >> 2;
+
+	. = ALIGN(4);
+	.sbss  : { *(.sbss) }
+	.bss  : { *(.bss) }
+	uboot_end = .;
+}
--- a/package/uboot-xburst/files/board/xburst/sakc/u-boot.lds
+++ b/package/uboot-xburst/files/board/xburst/sakc/u-boot.lds
@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradlittlemips", "elf32-tradlittlemips")
+
+OUTPUT_ARCH(mips)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text       :
+	{
+	  *(.text)
+	}
+
+	. = ALIGN(4);
+	.rodata  : { *(.rodata) }
+
+	. = ALIGN(4);
+	.data  : { *(.data) }
+
+	. = ALIGN(4);
+	.sdata  : { *(.sdata) }
+
+	_gp = ALIGN(16);
+
+	__got_start = .;
+	.got  : { *(.got) }
+	__got_end = .;
+
+	.sdata  : { *(.sdata) }
+
+	__u_boot_cmd_start = .;
+	.u_boot_cmd : { *(.u_boot_cmd) }
+	__u_boot_cmd_end = .;
+
+	uboot_end_data = .;
+	num_got_entries = (__got_end - __got_start) >> 2;
+
+	. = ALIGN(4);
+	.sbss  : { *(.sbss) }
+	.bss  : { *(.bss) }
+	uboot_end = .;
+}
--- a/package/uboot-xburst/files/include/configs/n516.h
+++ b/package/uboot-xburst/files/include/configs/n516.h
@ -0,0 +1,314 @@
+/*
+ * (C) Copyright 2006
+ * Ingenic Semiconductor, <jlwei@ingenic.cn>
+ *
+ * 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
+ */
+
+/*
+ * This file contains the configuration parameters for the pavo board.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+//#define DEBUG
+//#define DEBUG_SHELL
+
+#define CONFIG_MIPS32		1  /* MIPS32 CPU core */
+#define CONFIG_JzRISC		1  /* JzRISC core */
+#define CONFIG_JZSOC		1  /* Jz SoC */
+#define CONFIG_JZ4740		1  /* Jz4740 SoC */
+#define CONFIG_PAVO		1  /* PAVO validation board */
+#define CONFIG_NAND_JZ4740
+
+#define CONFIG_BOARD_NAME	"n516"
+#define CONFIG_BOARD_HWREV	"1.0"
+#define CONFIG_FIRMWARE_EPOCH	"0"
+#define CONFIG_UPDATE_TMPBUF	0x80600000
+#define CONFIG_UPDATE_CHUNKSIZE	0x800000
+#define CONFIG_UPDATE_FILENAME	"update.oifw"
+#define CONFIG_UPDATE_FILEEXT	".oifw"
+#define CONFIG_UBI_PARTITION	"UBI"
+
+#define CONFIG_SKIP_LOWLEVEL_INIT	1
+#undef  CONFIG_SKIP_RELOCATE_UBOOT
+
+#if 0
+#define CONFIG_LCD                 /* LCD support */
+#define CONFIG_JZLCD_METRONOME_800x600
+#define LCD_BPP			LCD_COLOR8
+
+#define WFM_DATA_SIZE  ( 1 << 14 )
+#define CONFIG_METRONOME_WF_LEN (64 * (1 << 10))
+#define CONFIG_METRONOME_WF_NAND_OFFSET (0x100000)
+#define BMP_LOGO_HEIGHT 0
+#define CONFIG_UBI_WF_VOLUME "waveforms"
+#define CONFIG_UBI_BOOTSPLASH_VOLUME "bootsplash"
+#define CONFIG_METRONOME_BOOTSPLASH_LEN 480000
+#endif
+
+#if 0
+#define CONFIG_JZSOC_I2C
+#define CONFIG_HARD_I2C
+#define CONFIG_SYS_I2C_SPEED	100000
+#define CONFIG_SYS_I2C_SLAVE	0
+#define CONFIG_LPC_I2C_ADDR	0x54
+#endif
+
+#define JZ4740_NORBOOT_CFG	JZ4740_NORBOOT_16BIT	/* NOR Boot config code */
+#define JZ4740_NANDBOOT_CFG	JZ4740_NANDBOOT_B8R3	/* NAND Boot config code */
+
+#define CONFIG_SYS_CPU_SPEED		336000000	/* CPU clock: 336 MHz */
+#define CONFIG_SYS_EXTAL		12000000	/* EXTAL freq: 12 MHz */
+#define	CONFIG_SYS_HZ			(CONFIG_SYS_EXTAL/256) /* incrementer freq */
+
+#define CONFIG_SYS_UART_BASE  		UART0_BASE	/* Base of the UART channel */
+
+#define CONFIG_BAUDRATE		57600
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+
+#define CONFIG_MMC      	1
+#define CONFIG_GENERIC_MMC	1
+#define CONFIG_JZ_MMC		1
+#define CONFIG_FAT		1
+
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 ">"
+#define CONFIG_CMDLINE_EDITING
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+
+#include <config_cmd_default.h>
+
+#undef CONFIG_CMD_BDI		/* bdinfo			*/
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_ECHO		/* echo arguments		*/
+#undef CONFIG_CMD_FLASH	/* flinfo, erase, protect	*/
+#undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
+#undef CONFIG_CMD_IMI		/* iminfo			*/
+#undef CONFIG_CMD_ITEST	/* Integer (and string) test	*/
+#undef CONFIG_CMD_LOADB	/* loadb			*/
+#undef CONFIG_CMD_LOADS	/* loads			*/
+#undef CONFIG_CMD_NFS		/* NFS support			*/
+#undef CONFIG_CMD_SETGETDCR	/* DCR support on 4xx		*/
+#undef CONFIG_CMD_SOURCE	/* "source" command support	*/
+#undef CONFIG_CMD_XIMG		/* Load part of Multi Image	*/
+#undef CONFIG_CMD_NET
+
+//#define CONFIG_CMD_ASKENV
+//#define CONFIG_CMD_DHCP
+//#define CONFIG_CMD_PING
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
+/*#define CONFIG_CMD_UBI*/
+/*#define CONFIG_CMD_MTDPARTS*/
+//#define CONFIG_CMD_JFFS2
+//#define CONFIG_JFFS2_NAND
+//#define CONFIG_JFFS2_CMDLINE
+#define CONFIG_CMD_UPDATE
+
+#define CONFIG_DOS_PARTITION
+
+/*#define CONFIG_MTD_PARTITIONS*/
+#define CONFIG_RBTREE
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#if 0
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+#define CONFIG_BOOTDELAY	0
+#define CONFIG_BOOTFILE	        uImage	/* file to load */
+#define CONFIG_BOOTARGS		"mem=64M console=ttyS0,57600n8 ip=off rootfstype=ubifs root=ubi:rootfs ubi.mtd=UBI rw panic=5 " MTDPARTS_DEFAULT
+#define CONFIG_BOOTCOMMAND	"check_and_update; setenv bootargs $bootargs $batt_level_param; ubi read 0x80600000 bootsplash && show_image 0x80600000; ubi read 0x80600000 kernel; bootm 0x80600000; ubi read 0x80600000 errorsplash && show_image 0x80600000; while test 0 = 0; do check_and_update; done"
+#define CONFIG_SYS_AUTOLOAD	"n"		/* No autoload */
+#define CONFIG_IPADDR		192.168.111.1
+#define CONFIG_SERVERIP		192.168.111.2
+#define MTDIDS_DEFAULT		"nand0=jz4740-nand"
+#define MTDPARTS_DEFAULT	"mtdparts=jz4740-nand:1M@0(uboot)ro,-@1M(UBI)"
+#define CONFIG_EXTRA_ENV_SETTINGS "mtdids=nand0=jz4740-nand\0mtdparts=mtdparts=jz4740-nand:1M@0(uboot)ro,-@1M(UBI)\0" \
+				"stdout=serial\0stderr=lcd\0"
+#endif
+
+#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAUL)
+#define CONFIG_BOOTDELAY	0
+#define CONFIG_BOOTFILE		"uImage"	/* file to load */
+#define CONFIG_BOOTARGS		"mem=64M console=ttyS0,57600n8 ubi.mtd=2 rootfstype=ubifs root=ubi0:rootfs rw rootwait"
+#define CONFIG_BOOTCOMMAND	"nand read 0x80600000 0x400000 0x200000;bootm"
+
+
+
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+
+/*
+ * Serial download configuration
+ *
+ */
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
+#define CONFIG_SYS_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/
+
+/*
+ * Miscellaneous configurable options
+ */
+#define	CONFIG_SYS_LONGHELP				/* undef to save memory      */
+#define	CONFIG_SYS_PROMPT		"n516 # "	/* Monitor Command Prompt    */
+#define	CONFIG_SYS_CBSIZE		256		/* Console I/O Buffer Size   */
+#define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)  /* Print Buffer Size */
+#define	CONFIG_SYS_MAXARGS		16		/* max number of command args*/
+
+#define CONFIG_SYS_MALLOC_LEN		1024*1024*2
+#define CONFIG_SYS_BOOTPARAMS_LEN	128*1024
+
+#define CONFIG_SYS_SDRAM_BASE		0x80000000     /* Cached addr */
+
+#define CONFIG_SYS_INIT_SP_OFFSET	0x400000
+
+#define	CONFIG_SYS_LOAD_ADDR		0x80600000     /* default load address	*/
+
+#define CONFIG_SYS_MEMTEST_START	0x80100000
+#define CONFIG_SYS_MEMTEST_END		0x80800000
+
+/*-----------------------------------------------------------------------
+ * Environment
+ *----------------------------------------------------------------------*/
+#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+#define CONFIG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
+#else
+#define CONFIG_ENV_IS_IN_NAND	1	/* use NAND for environment vars	*/
+#endif
+
+/*-----------------------------------------------------------------------
+ * NAND FLASH configuration
+ */
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define NAND_MAX_CHIPS          1
+#define CONFIG_SYS_NAND_BASE           0xB8000000
+#define CONFIG_SYS_NAND_SELECT_DEVICE  1       /* nand driver supports mutipl. chips   */
+
+
+/*
+ * IPL (Initial Program Loader, integrated inside CPU)
+ * Will load first 8k from NAND (SPL) into cache and execute it from there.
+ *
+ * SPL (Secondary Program Loader)
+ * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
+ * has to fit into 8kByte. It sets up the CPU and configures the SDRAM
+ * controller and the NAND controller so that the special U-Boot image can be
+ * loaded from NAND to SDRAM.
+ *
+ * NUB (NAND U-Boot)
+ * This NAND U-Boot (NUB) is a special U-Boot version which can be started
+ * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
+ *
+ */
+#define CONFIG_SYS_NAND_U_BOOT_DST	0x80100000	/* Load NUB to this addr	*/
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST /* Start NUB from this addr	*/
+
+/*
+ * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
+ */
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	(256 << 10)	/* Offset to RAM U-Boot image	*/
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	(512 << 10)	/* Size of RAM U-Boot image	*/
+
+#define CONFIG_SYS_NAND_PAGE_SIZE 2048
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(128 << 10)	/* NAND chip block size		*/
+#define CONFIG_SYS_NAND_BADBLOCK_PAGE	63		/* NAND bad block was marked at this page in a block, starting from 0 */
+#define CONFIG_SYS_NAND_ECC_POS		6
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	9
+
+
+#ifdef CONFIG_ENV_IS_IN_NAND
+//#define CONFIG_ENV_SIZE			CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_SIZE			(128 * 1024)
+//#define CONFIG_ENV_OFFSET		(CONFIG_SYS_NAND_BLOCK_SIZE + CONFIG_SYS_NAND_U_BOOT_SIZE + CONFIG_SYS_NAND_BLOCK_SIZE)	/* environment starts here  */
+#define CONFIG_ENV_OFFSET		(CONFIG_SYS_NAND_U_BOOT_SIZE + CONFIG_SYS_NAND_U_BOOT_OFFS)
+//#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+#endif
+
+
+/*-----------------------------------------------------------------------
+ * NOR FLASH and environment organization
+ */
+#define CONFIG_SYS_MAX_FLASH_BANKS	1	/* max number of memory banks */
+#define CONFIG_SYS_MAX_FLASH_SECT	(128)	/* max number of sectors on one chip */
+
+#define PHYS_FLASH_1		0xa8000000 /* Flash Bank #1 */
+
+/* The following #defines are needed to get flash environment right */
+#define	CONFIG_SYS_MONITOR_BASE	TEXT_BASE   /* in pavo/config.mk TEXT_BASE=0x88000000*/ 
+#define	CONFIG_SYS_SYS_MONITOR_BASE	TEXT_BASE   /* in pavo/config.mk TEXT_BASE=0x88000000*/ 
+#define	CONFIG_SYS_MONITOR_LEN		(256*1024)  /* Reserve 256 kB for Monitor */
+
+#define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
+
+/* timeout values are in ticks */
+#define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Timeout for Flash Erase */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Timeout for Flash Write */
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+#define	CONFIG_ENV_IS_NOWHERE	1
+#define CONFIG_ENV_ADDR		0xa8040000
+#define CONFIG_ENV_SIZE		0x20000
+#endif
+
+/*-----------------------------------------------------------------------
+ * SDRAM Info.
+ */
+#define CONFIG_NR_DRAM_BANKS	1
+
+// SDRAM paramters
+#define SDRAM_BW16		0	/* Data bus width: 0-32bit, 1-16bit */
+#define SDRAM_BANK4		1	/* Banks each chip: 0-2bank, 1-4bank */
+#define SDRAM_ROW		13	/* Row address: 11 to 13 */
+#define SDRAM_COL		9	/* Column address: 8 to 12 */
+#define SDRAM_CASL		2	/* CAS latency: 2 or 3 */
+
+// SDRAM Timings, unit: ns
+#define SDRAM_TRAS		45	/* RAS# Active Time */
+#define SDRAM_RCD		20	/* RAS# to CAS# Delay */
+#define SDRAM_TPC		20	/* RAS# Precharge Time */
+#define SDRAM_TRWL		7	/* Write Latency Time */
+#define SDRAM_TREF	        15625	/* Refresh period: 4096 refresh cycles/64ms */
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CONFIG_SYS_DCACHE_SIZE		16384
+#define CONFIG_SYS_ICACHE_SIZE		16384
+#define CONFIG_SYS_CACHELINE_SIZE	32
+
+/*-----------------------------------------------------------------------
+ * GPIO definition
+ */
+#define GPIO_SD_VCC_EN_N	113 /* GPD17 */
+#define GPIO_SD_CD_N           103 /* GPD7 */
+#define GPIO_SD_WP             111 /* GPD15 */
+#define GPIO_USB_DETE          115 /* GPD6 */
+//#define GPIO_DC_DETE_N               103 /* GPD7 */
+#define GPIO_CHARG_STAT_N      112 /* GPD15 */
+#define GPIO_DISP_OFF_N                97 /* GPD1 */
+#define GPIO_UDC_HOTPLUG       100 /* GPD4 */
+#define GPIO_LED_EN            124 /* GPD28 */
+
+#define GPIO_RST_L          50   /* GPB18 LCD_SPL */
+#define GPIO_LCDRDY         49   /* GPB17 LCD_CLS */
+#define GPIO_STBY           86   /* GPC22 LCD_PS */
+#define GPIO_ERR            87   /* GPC23 LCD_REV */
+
+#endif	/* __CONFIG_H */
--- a/package/uboot-xburst/files/include/configs/sakc.h
+++ b/package/uboot-xburst/files/include/configs/sakc.h
@ -0,0 +1,207 @@
+/*
+ * Authors: Xiangfu Liu <xiangfu.z@gmail.com>
+ *
+ * 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
+ * 3 of the License, or (at your option) any later version.
+ */
+
+/*
+ * This file contains the configuration parameters for SAKC.
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define DEBUG
+#define CONFIG_MIPS32		1  /* MIPS32 CPU core */
+#define CONFIG_JzRISC		1  /* JzRISC core */
+#define CONFIG_JZSOC		1  /* Jz SoC */
+#define CONFIG_JZ4740		1  /* Jz4740 SoC */
+#define CONFIG_SAKC		1  /* SAKC board */
+#define CONFIG_NANONOTE
+#define CONFIG_NAND_JZ4740
+
+#define BOOT_FROM_SDCARD	1
+#define BOOT_WITH_ENABLE_UART (1 << 1)	/* Vaule for global_data.h gd->boot_option */
+
+#define MMC_BUS_WIDTH_1BIT	1  /* 1 for MMC  1Bit Bus Width */
+
+//#define CONFIG_LCD		1  /* LCD support */
+//#define LCD_BPP			LCD_COLOR32	/*5:18,24,32 bits per pixel */
+//#define CONFIG_SYS_WHITE_ON_BLACK	1
+
+#define CONFIG_SYS_CPU_SPEED	336000000	/* CPU clock: 336 MHz */
+#define CONFIG_SYS_EXTAL		12000000	/* EXTAL freq: 12 MHz */
+#define CONFIG_SYS_HZ		(CONFIG_SYS_EXTAL / 256) /* incrementer freq */
+#define CONFIG_SYS_MIPS_TIMER_FREQ	CONFIG_SYS_CPU_SPEED
+
+#define CONFIG_SYS_UART_BASE	UART0_BASE	/* Base of the UART channel */
+#define CONFIG_BAUDRATE		57600
+#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+#define CONFIG_MMC      	1
+#define CONFIG_FAT      	1  
+#define CONFIG_DOS_PARTITION	1
+#define CONFIG_SKIP_LOWLEVEL_INIT	1
+#define CONFIG_BOARD_EARLY_INIT_F	1
+#define CONFIG_SYS_NO_FLASH	1
+#define CONFIG_ENV_OVERWRITE	1
+
+#define CONFIG_BOOTP_MASK	(CONFIG_BOOTP_DEFAUL)
+#define CONFIG_BOOTDELAY	3
+#define CONFIG_BOOTFILE		"uImage"	/* file to load */
+#define CONFIG_BOOTARGS		"mem=32M console=ttyS0,57600n8 ubi.mtd=2 rootfstype=ubifs root=ubi0:rootfs rw rootwait"
+
+#define CONFIG_BOOTARGSFROMSD	"mem=32M console=ttyS0,57600n8 rootfstype=ext2 root=/dev/mmcblk0p1 rw rootwait"
+#define CONFIG_BOOTCOMMAND	"nand read 0x80600000 0x400000 0x200000;bootm"
+
+/*
+ * Command line configuration.
+ */
+#define CONFIG_CMD_BDI		/* bdinfo			*/
+#define CONFIG_CMD_BOOTD	/* bootd			*/
+#define CONFIG_CMD_CONSOLE	/* coninfo			*/
+#define CONFIG_CMD_ECHO		/* echo arguments		*/
+#define CONFIG_CMD_IMI		/* iminfo			*/
+#define CONFIG_CMD_ITEST	/* Integer (and string) test	*/
+
+#define CONFIG_CMD_LOADB	/* loadb			*/
+#define CONFIG_CMD_LOADS	/* loads			*/
+#define CONFIG_CMD_MEMORY	/* md mm nm mw cp cmp crc base loop mtest */
+#define CONFIG_CMD_MISC		/* Misc functions like sleep etc*/
+#define CONFIG_CMD_RUN		/* run command in env variable	*/
+#define CONFIG_CMD_SAVEENV	/* saveenv			*/
+#define CONFIG_CMD_SETGETDCR	/* DCR support on 4xx		*/
+#define CONFIG_CMD_SOURCE	/* "source" command support	*/
+#define CONFIG_CMD_XIMG		/* Load part of Multi Image	*/
+
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_MMC
+#define CONFIG_CMD_FAT
+
+/*
+ * Serial download configuration
+ */
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download */
+#define CONFIG_LOADS_BAUD_CHANGE	1	/* allow baudrate change */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define	CONFIG_SYS_LONGHELP			/* undef to save memory */
+#define	CONFIG_SYS_PROMPT		"SAKC# "	/* Monitor Command Prompt */
+#define	CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
+#define	CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+/* Print Buffer Size */
+#define	CONFIG_SYS_MAXARGS		16	/* max number of command args*/
+
+#define CONFIG_SYS_MALLOC_LEN		128 * 1024
+#define CONFIG_SYS_BOOTPARAMS_LEN	128 * 1024
+
+#define CONFIG_SYS_SDRAM_BASE		0x80000000     /* Cached addr */
+#define CONFIG_SYS_INIT_SP_OFFSET	0x400000
+#define CONFIG_SYS_LOAD_ADDR		0x80600000     /* default load address */
+#define CONFIG_SYS_MEMTEST_START	0x80100000
+#define CONFIG_SYS_MEMTEST_END		0x80800000
+
+/*
+ * Environment
+ */
+#define CONFIG_ENV_IS_IN_NAND	1	/* use NAND for environment vars */
+
+/*
+ * NAND FLASH configuration
+ */
+/* NAND Boot config code */
+#define JZ4740_NANDBOOT_CFG	JZ4740_NANDBOOT_B8R3 
+
+#define SAKC_NAND_SIZE	1 /* if board nand flash is 1GB, set to 1
+				   * if board nand flash is 2GB, set to 2
+				   * for change the PAGE_SIZE and BLOCK_SIZE
+				   * will delete when there is no 1GB flash
+				   */
+
+#define CONFIG_SYS_NAND_PAGE_SIZE	(2048 * SAKC_NAND_SIZE)
+/* nand chip block size	*/
+#define CONFIG_SYS_NAND_BLOCK_SIZE	(256 * SAKC_NAND_SIZE << 10)	
+/* nand bad block was marked at this page in a block, start from 0 */
+#define CONFIG_SYS_NAND_BADBLOCK_PAGE	127 
+/* ECC offset position in oob area, default value is 6 if it isn't defined */
+#define CONFIG_SYS_NAND_ECC_POS	(6 * SAKC_NAND_SIZE)
+#define CONFIG_SYS_NAND_ECCSIZE		512
+#define CONFIG_SYS_NAND_ECCBYTES	9
+
+#define CONFIG_SYS_MAX_NAND_DEVICE     1
+#define NAND_MAX_CHIPS          1
+#define CONFIG_SYS_NAND_BASE           0xB8000000
+#define CONFIG_SYS_NAND_SELECT_DEVICE  1 /* nand driver supports mutipl.*/
+#define CONFIG_SYS_ONENAND_BASE	CONFIG_SYS_NAND_BASE
+
+/*
+ * IPL (Initial Program Loader, integrated inside CPU)
+ * Will load first 8k from NAND (SPL) into cache and execute it from there.
+ *
+ * SPL (Secondary Program Loader)
+ * Will load special U-Boot version (NUB) from NAND and execute it. This SPL
+ * has to fit into 8kByte. It sets up the CPU and configures the SDRAM
+ * controller and the NAND controller so that the special U-Boot image can be
+ * loaded from NAND to SDRAM.
+ *
+ * NUB (NAND U-Boot)
+ * This NAND U-Boot (NUB) is a special U-Boot version which can be started
+ * from RAM. Therefore it mustn't (re-)configure the SDRAM controller.
+ *
+ */
+#define CONFIG_SYS_NAND_U_BOOT_DST		0x80100000	/* Load NUB to this addr */
+#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_NAND_U_BOOT_DST 
+/* Start NUB from this addr*/
+
+/*
+ * Define the partitioning of the NAND chip (only RAM U-Boot is needed here)
+ */
+#define CONFIG_SYS_NAND_U_BOOT_OFFS	(256 << 10)	/* Offset to RAM U-Boot image */
+#define CONFIG_SYS_NAND_U_BOOT_SIZE	(512 << 10)	/* Size of RAM U-Boot image */
+
+#define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET	(CONFIG_SYS_NAND_BLOCK_SIZE + CONFIG_SYS_NAND_U_BOOT_SIZE + CONFIG_SYS_NAND_BLOCK_SIZE)
+/* environment starts here  */
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
+
+/* in qi_lb60.h/config.mk TEXT_BAS = 0x88000000 */
+#define CONFIG_SYS_MONITOR_BASE	TEXT_BASE
+
+/*
+ * SDRAM Info.
+ */
+#define CONFIG_NR_DRAM_BANKS	1
+
+/* SDRAM paramters */
+#define SDRAM_BW16		1	/* Data bus width: 0-32bit, 1-16bit */
+#define SDRAM_BANK4		1	/* Banks each chip: 0-2bank, 1-4bank */
+#define SDRAM_ROW		13	/* Row address: 11 to 13 */
+#define SDRAM_COL		9	/* Column address: 8 to 12 */
+#define SDRAM_CASL		2	/* CAS latency: 2 or 3 */
+
+/* SDRAM Timings, unit: ns */
+#define SDRAM_TRAS		45	/* RAS# Active Time */
+#define SDRAM_RCD		20	/* RAS# to CAS# Delay */
+#define SDRAM_TPC		20	/* RAS# Precharge Time */
+#define SDRAM_TRWL		7	/* Write Latency Time */
+#define SDRAM_TREF	        15625	/* Refresh period: 8192 cycles/64ms */
+
+/*
+ * Cache Configuration
+ */
+#define CONFIG_SYS_DCACHE_SIZE	16384
+#define CONFIG_SYS_ICACHE_SIZE	16384
+#define CONFIG_SYS_CACHELINE_SIZE	32
+
+/*
+ * GPIO definition
+ */  
+#define	GPIO_SD_DETECT		(2 * 32 + 27)
+#define GPIO_SD_CD_N		GPIO_SD_DETECT	/* SD Card insert detect */
+#define GPIO_SD_VCC_EN_N	GPIO_SDPW_EN	/* SD Card Power Enable */
+
+#endif	/* __CONFIG_H */
--- a/package/uboot-xburst/patches/009-add-n516.patch
+++ b/package/uboot-xburst/patches/009-add-n516.patch
@ -0,0 +1,23 @@
+diff --git a/Makefile b/Makefile
+index 4ebdb74..5efac12 100644
+--- a/Makefile
+++ b/Makefile
+@@ -2315,6 +2315,18 @@ qi_lb60_config  : unconfig
+ 	@echo "TEXT_BASE = 0x80100000" > $(obj)board/xburst/nanonote/config.tmp
+ 	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+ 
+n516_config	: unconfig
+	@ >include/config.h
+	@echo "#define CONFIG_N516 1" >>include/config.h
+	@$(MKCONFIG) -a n516 mips xburst n516 xburst
+
+n516_nand_config: unconfig
+	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+	@echo "Compile NAND boot image for n516"
+	@$(MKCONFIG) -a n516 mips xburst n516 xburst
+	@echo "TEXT_BASE = 0x80100000" > $(obj)board/xburst/n516/config.tmp
+	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
+ #========================================================================
+ # Nios
+ #========================================================================
--- a/package/uboot-xburst/patches/010-add-sakc.patch
+++ b/package/uboot-xburst/patches/010-add-sakc.patch
@ -0,0 +1,18 @@
+diff --git a/Makefile b/Makefile
+index d71ea8e..8a36045 100644
+--- a/Makefile
+++ b/Makefile
+@@ -2327,6 +2327,13 @@ n516_nand_config: unconfig
+ 	@echo "TEXT_BASE = 0x80100000" > $(obj)board/xburst/n516/config.tmp
+ 	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+ 
+sakc_config	: unconfig
+	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
+	@echo "Compile NAND boot image for SAKC"
+	@$(MKCONFIG) -a sakc mips xburst sakc xburst
+	@echo "TEXT_BASE = 0x80100000" > $(obj)board/xburst/sakc/config.tmp
+	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
+ #========================================================================
+ # Nios
+ #========================================================================