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openwrt-xburst/target/linux/xburst/image/u-boot/patches/0003-add-sakc-support.patch
Xiangfu Liu df67d8a66f [u-boot] add sakc support
2010-03-13 22:30:12 +08:00

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this patch is for SAKC
From: Xiangfu Liu <xiangfu@sharism.cc>
create by Carlos
---
Makefile | 7 +
board/sakc/Makefile | 38 ++++++++
board/sakc/config.mk | 31 ++++++
board/sakc/flash.c | 50 ++++++++++
board/sakc/sakc.c | 94 +++++++++++++++++++
board/sakc/u-boot-nand.lds | 63 +++++++++++++
board/sakc/u-boot.lds | 63 +++++++++++++
cpu/mips/Makefile | 2
cpu/mips/jz_mmc.c | 21 ++++
cpu/mips/mmc_protocol.h | 3 -
cpu/mips/qi_lb60_gpm940b0.h | 21 ++++
include/configs/sakc.h | 200 ++++++++++++++++++++++++++++++++++++++++
nand_spl/board/sakc/Makefile | 104 +++++++++++++++++++++
nand_spl/board/sakc/config.mk | 34 +++++++
nand_spl/board/sakc/u-boot.lds | 63 +++++++++++++
nand_spl/nand_boot_jz4740.c | 2
16 files changed, 791 insertions(+), 5 deletions(-)
create mode 100644 board/sakc/Makefile
create mode 100644 board/sakc/config.mk
create mode 100644 board/sakc/flash.c
create mode 100644 board/sakc/sakc.c
create mode 100644 board/sakc/u-boot-nand.lds
create mode 100644 board/sakc/u-boot.lds
create mode 100644 include/configs/sakc.h
create mode 100644 nand_spl/board/sakc/Makefile
create mode 100644 nand_spl/board/sakc/config.mk
create mode 100644 nand_spl/board/sakc/u-boot.lds
diff --git a/Makefile b/Makefile
index a318eb4..7d14b8b 100644
--- a/Makefile
+++ b/Makefile
@@ -3448,6 +3448,13 @@ qi_lb60_config : unconfig
@echo "TEXT_BASE = 0x80100000" > $(obj)board/qi_lb60/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 mips sakc
+ @echo "TEXT_BASE = 0x80100000" > $(obj)board/sakc/config.tmp
+ @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
+
#########################################################################
## MIPS64 5Kc
#########################################################################
diff --git a/board/sakc/Makefile b/board/sakc/Makefile
new file mode 100644
index 0000000..470447d
--- /dev/null
+++ b/board/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)
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/board/sakc/config.mk b/board/sakc/config.mk
new file mode 100644
index 0000000..b254958
--- /dev/null
+++ b/board/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
diff --git a/board/sakc/flash.c b/board/sakc/flash.c
new file mode 100644
index 0000000..891c604
--- /dev/null
+++ b/board/sakc/flash.c
@@ -0,0 +1,50 @@
+/*
+ * (C) Copyright 2009 PI
+ * xiangfu liu, <xiangfu@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 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);
+}
diff --git a/board/sakc/sakc.c b/board/sakc/sakc.c
new file mode 100644
index 0000000..85763c7
--- /dev/null
+++ b/board/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 */
+}
diff --git a/board/sakc/u-boot-nand.lds b/board/sakc/u-boot-nand.lds
new file mode 100644
index 0000000..a15a96e
--- /dev/null
+++ b/board/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 = .;
+}
diff --git a/board/sakc/u-boot.lds b/board/sakc/u-boot.lds
new file mode 100644
index 0000000..a15a96e
--- /dev/null
+++ b/board/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 = .;
+}
diff --git a/cpu/mips/Makefile b/cpu/mips/Makefile
index 33afb66..a177653 100644
--- a/cpu/mips/Makefile
+++ b/cpu/mips/Makefile
@@ -35,7 +35,7 @@ COBJS-$(CONFIG_PURPLE) += asc_serial.o
COBJS-$(CONFIG_JZSOC) += jz_serial.o jz_i2c.o jz_mmc.o
COBJS-$(CONFIG_JZ4740) += jz4740.o jz4740_nand.o
COBJS-$(CONFIG_QI_LB60) += qi_lb60_gpm940b0.o
-
+COBJS-$(CONFIG_SAKC) += qi_lb60_gpm940b0.o
SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/cpu/mips/jz_mmc.c b/cpu/mips/jz_mmc.c
index ec0a518..a71da9e 100644
--- a/cpu/mips/jz_mmc.c
+++ b/cpu/mips/jz_mmc.c
@@ -41,6 +41,14 @@ static int sd2_0 = 0;
/*
* GPIO definition
*/
+#if defined(CONFIG_SAKC)
+
+#define __msc_init_io() \
+do { \
+ __gpio_as_input(GPIO_SD_CD_N); \
+} while (0)
+
+#else
#define __msc_init_io() \
do { \
__gpio_as_output(GPIO_SD_VCC_EN_N); \
@@ -56,11 +64,14 @@ do { \
do { \
__gpio_set_pin(GPIO_SD_VCC_EN_N); \
} while (0)
+
+#endif /* CONFIG_SAKE */
#define __msc_card_detected() \
({ \
int detected = 1; \
__gpio_as_input(GPIO_SD_CD_N); \
+ __gpio_disable_pull(GPIO_SD_CD_N); \
if (!__gpio_get_pin(GPIO_SD_CD_N)) \
detected = 0; \
detected; \
@@ -358,11 +369,11 @@ int jz_mmc_exec_cmd(struct mmc_request *request)
}
if (request->cmd == SET_BUS_WIDTH) {
if (request->arg == 0x2) {
- DEBUG(2, "Use 4-bit bus width\n");
+ printf("Use 4-bit bus width\n");
use_4bit = 1;
}
else {
- DEBUG(2, "Use 1-bit bus width\n");
+ printf("Use 1-bit bus width\n");
use_4bit = 0;
}
}
@@ -735,7 +746,11 @@ int mmc_select_card(void)
if (retval) {
return retval;
}
+#if defined(MMC_BUS_WIDTH_1BIT)
+ mmc_simple_cmd(&request, SET_BUS_WIDTH, 1, RESPONSE_R1);
+#else
mmc_simple_cmd(&request, SET_BUS_WIDTH, 2, RESPONSE_R1);
+#endif
retval = mmc_unpack_r1(&request,&r1,0);
if (retval) {
return retval;
@@ -982,7 +997,9 @@ int mmc_legacy_init(int verbose)
__msc_init_io();
/* Step-2: turn on power of card */
+#if !defined(CONFIG_SAKC)
__msc_enable_power();
+#endif
/* Step-3: Reset MSC Controller. */
__msc_reset();
diff --git a/cpu/mips/mmc_protocol.h b/cpu/mips/mmc_protocol.h
index 9028cdf..70c07b6 100644
--- a/cpu/mips/mmc_protocol.h
+++ b/cpu/mips/mmc_protocol.h
@@ -90,6 +90,7 @@ Known problems or limitations with current version
/* SD class */
#define SD_SEND_OP_COND 41 /* bcr [31:0] OCR R3 */
#define SET_BUS_WIDTH 6 /* ac [1:0] bus width R1 */
+
#define SEND_SCR 51 /* adtc [31:0] staff R1 */
/* Don't change the order of these; they are used in dispatch tables */
@@ -102,7 +103,7 @@ enum mmc_rsp_t {
RESPONSE_R3 = 5,
RESPONSE_R4 = 6,
RESPONSE_R5 = 7,
- RESPONSE_R6 = 8,
+ RESPONSE_R6 = 8,
};
diff --git a/cpu/mips/qi_lb60_gpm940b0.h b/cpu/mips/qi_lb60_gpm940b0.h
index a4f8b0b..16821c6 100644
--- a/cpu/mips/qi_lb60_gpm940b0.h
+++ b/cpu/mips/qi_lb60_gpm940b0.h
@@ -184,15 +184,33 @@ do { \
__gpio_set_pin(LCD_RET); \
} while (0)
+#if defined(CONFIG_SAKC)
#define __lcd_close_backlight() \
do { \
__gpio_as_output(GPIO_PWM); \
__gpio_clear_pin(GPIO_PWM); \
} while (0)
+#endif
+#if defined(CONFIG_SAKC)
+#define __lcd_display_pin_init() \
+do { \
+ __cpm_start_tcu(); \
+ __lcd_special_pin_init(); \
+} while (0)
+
+#define __lcd_display_on() \
+do { \
+ __lcd_special_on(); \
+} while (0)
+
+#define __lcd_display_off() \
+do { \
+ __lcd_special_off(); \
+} while (0)
+#else
#define __lcd_display_pin_init() \
do { \
- __gpio_as_output(GPIO_DISP_OFF_N); \
__cpm_start_tcu(); \
__lcd_special_pin_init(); \
} while (0)
@@ -208,5 +226,6 @@ do { \
__lcd_special_off(); \
__gpio_clear_pin(GPIO_DISP_OFF_N); \
} while (0)
+#endif
#endif /* __QI_LB60_GPM940B0_H__ */
diff --git a/include/configs/sakc.h b/include/configs/sakc.h
new file mode 100644
index 0000000..e0bc34e
--- /dev/null
+++ b/include/configs/sakc.h
@@ -0,0 +1,200 @@
+/*
+ * 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_JZ4725 1 /* Jz4725 SoC */
+#define CONFIG_JZ4740 1 /* Jz4740 SoC */
+#define CONFIG_SAKC 1 /* SAKC board */
+
+#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_CPU_SPEED 336000000 /* CPU clock: 336 MHz */
+#define CONFIG_EXTAL 12000000 /* EXTAL freq: 12 MHz */
+#define CONFIG_SYS_HZ (CONFIG_EXTAL / 256) /* incrementer freq */
+#define CONFIG_SYS_MIPS_TIMER_FREQ CONFIG_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_EXTRA_ENV_SETTINGS 1
+#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_NAND_PAGE_SIZE (2048 * SAKC_NAND_SIZE)
+/* nand chip block size */
+#define CONFIG_NAND_BLOCK_SIZE (256 * SAKC_NAND_SIZE << 10)
+/* nand bad block was marked at this page in a block, start from 0 */
+#define CONFIG_NAND_BADBLOCK_PAGE 127
+/* ECC offset position in oob area, default value is 6 if it isn't defined */
+#define CONFIG_NAND_ECC_POS (6 * SAKC_NAND_SIZE)
+#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_NAND_U_BOOT_DST 0x80100000 /* Load NUB to this addr */
+#define CONFIG_NAND_U_BOOT_START CONFIG_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_NAND_U_BOOT_OFFS (256 << 10) /* Offset to RAM U-Boot image */
+#define CONFIG_NAND_U_BOOT_SIZE (512 << 10) /* Size of RAM U-Boot image */
+
+#define CONFIG_ENV_SIZE CONFIG_NAND_BLOCK_SIZE
+#define CONFIG_ENV_OFFSET (CONFIG_NAND_BLOCK_SIZE + CONFIG_NAND_U_BOOT_SIZE + CONFIG_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 */
diff --git a/nand_spl/board/sakc/Makefile b/nand_spl/board/sakc/Makefile
new file mode 100644
index 0000000..bd45379
--- /dev/null
+++ b/nand_spl/board/sakc/Makefile
@@ -0,0 +1,104 @@
+#
+# (C) Copyright 2006
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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
+include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS = start.o usb_boot.o
+COBJS = nand_boot_jz4740.o cpu.o jz4740.o jz_serial.o
+
+SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+__OBJS := $(SOBJS) $(COBJS)
+LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
+
+nandobj := $(OBJTREE)/nand_spl/
+
+ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
+all: $(obj).depend $(ALL)
+
+$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl.bin
+ dd bs=1024 count=8 if=/dev/zero of=$(nandobj)junk1
+ cat $< $(nandobj)junk1 > $(nandobj)junk2
+ dd bs=1024 count=8 if=$(nandobj)junk2 of=$(nandobj)junk3
+ cat $(nandobj)junk3 $(nandobj)junk3 > $(nandobj)junk4
+ dd bs=1024 count=256 if=/dev/zero of=$(nandobj)junk5
+ cat $(nandobj)junk4 $(nandobj)junk5 > $(nandobj)junk6
+ dd bs=1024 count=256 if=$(nandobj)junk6 of=$@
+ rm -f $(nandobj)junk*
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+# from cpu directory
+$(obj)start.S:
+ @rm -f $(obj)start.S
+ ln -s $(SRCTREE)/cpu/mips/start.S $(obj)start.S
+
+$(obj)usb_boot.S:
+ @rm -f $(obj)usb_boot.S
+ ln -s $(SRCTREE)/cpu/mips/usb_boot.S $(obj)usb_boot.S
+
+$(obj)cpu.c:
+ @rm -f $(obj)cpu.c
+ ln -s $(SRCTREE)/cpu/mips/cpu.c $(obj)cpu.c
+
+$(obj)jz4740.c:
+ @rm -f $(obj)jz4740.c
+ ln -s $(SRCTREE)/cpu/mips/jz4740.c $(obj)jz4740.c
+
+$(obj)jz_serial.c:
+ @rm -f $(obj)jz_serial.c
+ ln -s $(SRCTREE)/cpu/mips/jz_serial.c $(obj)jz_serial.c
+
+# from nand_spl directory
+$(obj)nand_boot_jz4740.c:
+ @rm -f $(obj)nand_boot_jz4740.c
+ ln -s $(SRCTREE)/nand_spl/nand_boot_jz4740.c $(obj)nand_boot_jz4740.c
+
+#########################################################################
+
+$(obj)%.o: $(obj)%.S
+ $(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o: $(obj)%.c
+ $(CC) $(CFLAGS) -c -o $@ $<
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/nand_spl/board/sakc/config.mk b/nand_spl/board/sakc/config.mk
new file mode 100644
index 0000000..698c476
--- /dev/null
+++ b/nand_spl/board/sakc/config.mk
@@ -0,0 +1,34 @@
+#
+# (C) Copyright 2006
+# Stefan Roese, DENX Software Engineering, sr@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# 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
+#
+#
+# Ingenic JZ4740 Reference Platform
+#
+
+#
+# TEXT_BASE for SPL:
+#
+# On JZ4730 platforms the SPL is located at 0x80000000...0x80001000,
+# in the first 4kBytes of memory space in cache. So we set
+# TEXT_BASE to starting address in internal cache here.
+#
+TEXT_BASE = 0x80000000
diff --git a/nand_spl/board/sakc/u-boot.lds b/nand_spl/board/sakc/u-boot.lds
new file mode 100644
index 0000000..7042388
--- /dev/null
+++ b/nand_spl/board/sakc/u-boot.lds
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2005
+ * 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 = .;
+}
diff --git a/nand_spl/nand_boot_jz4740.c b/nand_spl/nand_boot_jz4740.c
index 146de19..a70ca55 100644
--- a/nand_spl/nand_boot_jz4740.c
+++ b/nand_spl/nand_boot_jz4740.c
@@ -385,10 +385,12 @@ void nand_boot(void)
pll_init();
sdram_init();
+#if defined(CONFIG_QI_LB60)
if(is_usb_boot()) {
serial_puts("enter USB BOOT mode\n");
usb_boot();
}
+#endif
#if (JZ4740_NANDBOOT_CFG == JZ4740_NANDBOOT_B8R3)
bus_width = 8;
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