[U-Boot] [PATCH 4/4] New board support: nand_spl specific files
Ron Madrid
ron_madrid at sbcglobal.net
Fri Oct 31 19:21:09 CET 2008
This is a patch containing all board specific files for the nand_spl directory tree for the support of booting from NAND.
Signed off by: Ron Madrid <ron_madrid at sbcglobal.net>
diff --git a/nand_spl/board/sheldon/simpc8313/Makefile b/nand_spl/board/sheldon/simpc8313/Makefile
new file mode 100644
index 0000000..f699fab
--- /dev/null
+++ b/nand_spl/board/sheldon/simpc8313/Makefile
@@ -0,0 +1,100 @@
+#
+# (C) Copyright 2007
+# Stefan Roese, DENX Software Engineering, sr at denx.de.
+# (C) Copyright Sheldon Instruments, Inc. 2008
+#
+# 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
+#
+
+NAND_SPL := y
+TEXT_BASE := 0xfff00000
+
+include $(TOPDIR)/config.mk
+
+LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
+LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE) $(PLATFORM_LDFLAGS)
+AFLAGS += -DCONFIG_NAND_SPL
+CFLAGS += -DCONFIG_NAND_SPL
+
+SOBJS = start.o ticks.o
+COBJS = nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o nand_init.o time.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
+ $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
+
+$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
+$(nandobj)u-boot-spl: $(OBJS)
+ cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
+ -Map $(nandobj)u-boot-spl.map \
+ -o $(nandobj)u-boot-spl
+
+# create symbolic links for common files
+
+$(obj)start.S:
+ ln -sf $(SRCTREE)/cpu/mpc83xx/start.S $(obj)start.S
+
+$(obj)nand_boot_fsl_elbc.c:
+ ln -sf $(SRCTREE)/nand_spl/nand_boot_fsl_elbc.c \
+ $(obj)nand_boot_fsl_elbc.c
+
+$(obj)sdram.c:
+ ln -sf $(SRCTREE)/board/$(BOARDDIR)/sdram.c $(obj)sdram.c
+
+$(obj)$(BOARD).c:
+ ln -sf $(SRCTREE)/board/$(BOARDDIR)/$(BOARD).c $(obj)$(BOARD).c
+
+$(obj)ns16550.c:
+ ln -sf $(SRCTREE)/drivers/serial/ns16550.c $(obj)ns16550.c
+
+$(obj)nand_init.c:
+ ln -sf $(SRCTREE)/cpu/mpc83xx/nand_init.c $(obj)nand_init.c
+
+$(obj)time.c:
+ ln -sf $(SRCTREE)/lib_ppc/time.c $(obj)time.c
+
+$(obj)ticks.S:
+ ln -sf $(SRCTREE)/lib_ppc/ticks.S $(obj)ticks.S
+
+#########################################################################
+
+$(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/sheldon/simpc8313/u-boot.lds b/nand_spl/board/sheldon/simpc8313/u-boot.lds
new file mode 100644
index 0000000..c07c53c
--- /dev/null
+++ b/nand_spl/board/sheldon/simpc8313/u-boot.lds
@@ -0,0 +1,52 @@
+/*
+ * (C) Copyright 2006
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * Copyright 2008 Sheldon Instruments, Inc.
+ *
+ * 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
+ */
+
+OUTPUT_ARCH(powerpc)
+SECTIONS
+{
+ . = 0xfff00000;
+ .text : {
+ *(.text*)
+ . = ALIGN(16);
+ *(.rodata*)
+ *(.eh_frame)
+ }
+
+ . = ALIGN(8);
+ .data : {
+ *(.data*)
+ *(.sdata*)
+ _GOT2_TABLE_ = .;
+ *(.got2)
+ __got2_entries = (. - _GOT2_TABLE_) >> 2;
+ }
+
+ . = ALIGN(8);
+ __bss_start = .;
+ .bss (NOLOAD) : { *(.*bss) }
+ _end = .;
+}
+ENTRY(_start)
+ASSERT(_end <= 0xfff01000, "NAND bootstrap too big");
--
1.5.5.1
More information about the U-Boot
mailing list