[U-Boot] [PATCH v6 3/7] jz4740 nand spl files

[Xiangfu Liu]

ben nanonote nand spl files

Signed-off-by: Xiangfu Liu <xiangfu at openmobilefree.net>
Acked-by: Daniel <zpxu at ingenic.cn>
---
Changes for v3
   - use proper I/O accessors to access registers.

Changes for v5
   - remove nand_spl/nand_boot_jz4740.c
   - some cleanup

Changes for v6
    - delete all base + offset. using C struct


 nand_spl/board/xburst/nanonote/Makefile   |  106 +++++++++++++++++++++++++++++
 nand_spl/board/xburst/nanonote/u-boot.lds |   63 +++++++++++++++++
 2 files changed, 169 insertions(+), 0 deletions(-)
 create mode 100644 nand_spl/board/xburst/nanonote/Makefile
 create mode 100644 nand_spl/board/xburst/nanonote/u-boot.lds

diff --git a/nand_spl/board/xburst/nanonote/Makefile b/nand_spl/board/xburst/nanonote/Makefile
new file mode 100644
index 0000000..9775d14
--- /dev/null
+++ b/nand_spl/board/xburst/nanonote/Makefile
@@ -0,0 +1,106 @@
+#
+# (C) Copyright 2006
+# Stefan Roese, DENX Software Engineering, sr at 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
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS	= -Bstatic -T $(LDSCRIPT) -Ttext $(CONFIG_NAND_SPL_TEXT_BASE)
+AFLAGS	+= -DCONFIG_NAND_SPL
+CFLAGS	+= -DCONFIG_NAND_SPL -O2
+
+SOBJS	= start.o usbboot.o
+COBJS	= nand_boot.o cpu.o jz4740.o jz_serial.o jz4740_nand.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 $(ALL)
+
+#The boot program can load two areas of data from NAND flash to internal SRAM, one is the normal
+#area up to 8KB starting from NAND flash address 0, the other is the backup area up to 8KB starting
+#from NAND flash address 0x2000. After reset, the boot program will first read the normal area data
+#from NAND flash using hardware Reed-Solomon ECC. If no ECC error is detected or ECC error is
+#correctable, the boot program then branches to internal SRAM at 4 bytes offset. If it detects an
+#uncorrectable ECC error, it will continue to read the backup area of data from NAND flash using
+#hardware Reed-Solomon ECC. 
+$(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 $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+$(obj)start.S:
+	@rm -f $@
+	ln -s $(SRCTREE)/arch/mips/cpu/xburst/start_spl.S $@
+
+$(obj)usbboot.S:
+	@rm -f $@
+	ln -s $(SRCTREE)/arch/mips/cpu/xburst/usbboot.S $@
+
+$(obj)cpu.c:
+	@rm -f $@
+	ln -s $(SRCTREE)/arch/mips/cpu/xburst/cpu.c $@
+
+$(obj)jz4740.c:
+	@rm -f $@
+	ln -s $(SRCTREE)/arch/mips/cpu/xburst/jz4740.c $@
+
+$(obj)jz_serial.c:
+	@rm -f $@
+	ln -s $(SRCTREE)/arch/mips/cpu/xburst/jz_serial.c $@
+
+$(obj)nand_boot.c:
+	@rm -f $@
+	ln -s $(SRCTREE)/nand_spl/nand_boot.c $@
+
+$(obj)jz4740_nand.c:
+	@rm -f $@
+	@ln -s $(TOPDIR)/drivers/mtd/nand/jz4740_nand.c $@
+
+$(obj)%.o:	$(obj)%.S
+	$(CC) $(AFLAGS) -c -o $@ $<
+
+$(obj)%.o:	$(obj)%.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
diff --git a/nand_spl/board/xburst/nanonote/u-boot.lds b/nand_spl/board/xburst/nanonote/u-boot.lds
new file mode 100644
index 0000000..7042388
--- /dev/null
+++ b/nand_spl/board/xburst/nanonote/u-boot.lds
@@ -0,0 +1,63 @@
+/*
+ * (C) Copyright 2005
+ * Ingenic Semiconductor, <jlwei at 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 = .;
+}
-- 
1.7.0.4