1688 lines
46 KiB
Diff
1688 lines
46 KiB
Diff
--- a/.gitignore
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+++ b/.gitignore
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@@ -23,6 +23,11 @@
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/u-boot.hex
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/u-boot.map
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/u-boot.bin
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+/u-boot.bin.bz2
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+/u-boot.bin.gz
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+/u-boot.bin.lzma
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+/u-boot.bin.lzo
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+/u-boot.dis
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/u-boot.srec
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/u-boot.ldr
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/u-boot.ldr.hex
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@@ -30,6 +35,20 @@
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/u-boot.lds
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/u-boot-onenand.bin
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/u-boot-flexonenand.bin
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+/u-boot-bootstrap
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+/u-boot-bootstrap.hex
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+/u-boot-bootstrap.map
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+/u-boot-bootstrap.bin
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+/u-boot-bootstrap.bin.bz2
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+/u-boot-bootstrap.bin.gz
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+/u-boot-bootstrap.bin.lzma
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+/u-boot-bootstrap.bin.lzo
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+/u-boot-bootstrap.dis
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+/u-boot-bootstrap.srec
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+/u-boot-bootstrap.ldr
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+/u-boot-bootstrap.ldr.hex
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+/u-boot-bootstrap.ldr.srec
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+/u-boot-bootstrap.lds
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#
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# Generated files
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@@ -38,6 +57,7 @@
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*.depend
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/LOG
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/errlog
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+/.payload.s
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/reloc_off
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# stgit generated dirs
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@@ -63,3 +83,6 @@
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/onenand_ipl/onenand-ipl*
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/onenand_ipl/board/*/onenand*
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/onenand_ipl/board/*/*.S
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+examples/standalone/
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+
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+setvars
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--- a/Makefile
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+++ b/Makefile
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@@ -183,6 +183,12 @@
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OBJS := $(addprefix $(obj),$(OBJS))
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+ifeq ($(CONFIG_BOOTSTRAP),y)
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+BOOTSTRAP_OBJS = cpu/$(ARCH)/start_bootstrap.o
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+
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+BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_OBJS))
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+endif
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+
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LIBS = lib_generic/libgeneric.a
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LIBS += lib_generic/lzma/liblzma.a
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LIBS += lib_generic/lzo/liblzo.a
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@@ -254,6 +260,25 @@
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LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).a
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LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
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+ifeq ($(CONFIG_BOOTSTRAP),y)
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+BOOTSTRAP_LIBS = lib_generic/libgeneric_bootstrap.a
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+BOOTSTRAP_LIBS += cpu/$(ARCH)/lib$(ARCH)_bootstrap.a
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+BOOTSTRAP_LIBS += lib_$(ARCH)/lib$(ARCH)_bootstrap.a
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+BOOTSTRAP_LIBS += common/libcommon_bootstrap.a
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+BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_SERIAL) += drivers/serial/libserial.a
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+
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+BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_LZMA) += lib_generic/lzma/liblzma.a
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+BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_LZO) += lib/lzo/liblzo.a
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+BOOTSTRAP_LIBS += $(BOOTSTRAP_LIBS-y)
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+
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+BOOTSTRAP_LIBS := $(addprefix $(obj),$(BOOTSTRAP_LIBS))
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+.PHONY : $(BOOTSTRAP_LIBS)
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+
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+BOOTSTRAP_LIBBOARD = board/$(BOARDDIR)/lib$(BOARD)_bootstrap.a
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+BOOTSTRAP_LIBBOARD := $(addprefix $(obj),$(BOOTSTRAP_LIBBOARD))
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+endif
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+
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+
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# Add GCC lib
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ifdef USE_PRIVATE_LIBGCC
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ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
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@@ -267,6 +292,9 @@
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PLATFORM_LIBS += $(PLATFORM_LIBGCC)
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export PLATFORM_LIBS
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+BOOTSTRAP_PLATFORM_LIBS += $(PLATFORM_LIBGCC)
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+export BOOTSTRAP_PLATFORM_LIBS
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+
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# Special flags for CPP when processing the linker script.
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# Pass the version down so we can handle backwards compatibility
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# on the fly.
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@@ -289,12 +317,19 @@
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__OBJS := $(subst $(obj),,$(OBJS))
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__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
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+__BOOTSTRAP_OBJS := $(subst $(obj),,$(BOOTSTRAP_OBJS))
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+__BOOTSTRAP_LIBS := $(subst $(obj),,$(BOOTSTRAP_LIBS)) $(subst $(obj),,$(BOOTSTRAP_LIBBOARD))
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+
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#########################################################################
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#########################################################################
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# Always append ALL so that arch config.mk's can add custom ones
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ALL += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map $(U_BOOT_NAND) $(U_BOOT_ONENAND)
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+ifeq ($(CONFIG_BOOTSTRAP),y)
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+ALL += $(obj)u-boot-bootstrap.srec $(obj)u-boot-bootstrap.bin
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+endif
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+
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all: $(ALL)
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$(obj)u-boot.hex: $(obj)u-boot
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@@ -306,6 +341,19 @@
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$(obj)u-boot.bin: $(obj)u-boot
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$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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+$(obj)u-boot.bin.gz: $(obj)u-boot.bin
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+ gzip -c $< > $@
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+
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+$(obj)u-boot.bin.lzma: $(obj)u-boot.bin
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+ echo lzma -e -z -c $< $@
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+ lzma e $< $@
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+
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+$(obj)u-boot.bin.lzo: $(obj)u-boot.bin
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+ lzop -9 -c $< > $@
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+
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+$(obj)u-boot.bin.bz2: $(obj)u-boot.bin
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+ bzip2 --best -z -c $< > $@
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+
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$(obj)u-boot.ldr: $(obj)u-boot
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$(CREATE_LDR_ENV)
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$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
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@@ -335,12 +383,12 @@
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$(obj)tools/ubsha1 $(obj)u-boot.bin
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$(obj)u-boot.dis: $(obj)u-boot
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- $(OBJDUMP) -d $< > $@
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+ $(OBJDUMP) -S -d $< > $@
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GEN_UBOOT = \
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UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
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sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
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- cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
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+ cd $(LNDIR) && $(LD) --gc-sections $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
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--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
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-Map u-boot.map -o u-boot
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$(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
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@@ -362,6 +410,120 @@
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$(LIBBOARD): depend $(LIBS)
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$(MAKE) -C $(dir $(subst $(obj),,$@))
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+# Bootstrap targets
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+
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+ifeq ($(CONFIG_BOOTSTRAP),y)
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+$(obj)u-boot-bootstrap.hex: $(obj)u-boot-bootstrap
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+ $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
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+
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+$(obj)u-boot-bootstrap.srec: $(obj)u-boot-bootstrap
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+ $(OBJCOPY) -O srec $< $@
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+
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+$(obj)u-boot-bootstrap.bin: $(obj)u-boot-bootstrap
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+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
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+ $(BOARD_SIZE_CHECK)
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+
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+$(obj)u-boot-bootstrap.bin.gz: $(obj)u-boot-bootstrap.bin
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+ gzip -c $< > $@
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+
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+$(obj)u-boot-bootstrap.bin.lzma: $(obj)u-boot-bootstrap.bin
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+ lzma -e -z -c $< > $@
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+
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+$(obj)u-boot.bin-bootstrap.lzo: $(obj)u-boot-bootstrap.bin
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+ lzop -9 -c $< > $@
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+
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+$(obj)u-boot.bin-bootstrap.bz2: $(obj)u-boot-bootstrap.bin
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+ bzip2 --best -z -c $< > $@
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+
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+$(obj)u-boot-bootstrap.ldr: $(obj)u-boot-bootstrap
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+ $(CREATE_LDR_ENV)
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+ $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
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+ $(BOARD_SIZE_CHECK)
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+
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+$(obj)u-boot-bootstrap.ldr.hex: $(obj)u-boot-bootstrap.ldr
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+ $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
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+
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+$(obj)u-boot-bootstrap.ldr.srec: $(obj)u-boot-bootstrap.ldr
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+ $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
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+
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+$(obj)u-boot-bootstrap.img: $(obj)u-boot-bootstrap.bin
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+ $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
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+ -a $(CONFIG_BOOTSTRAP_BASE) -e 0 \
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+ -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
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+ sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
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+ -d $< $@
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+
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+$(obj)u-boot-bootstrap.imx: $(obj)u-boot-bootstrap.bin
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+ $(obj)tools/mkimage -n $(IMX_CONFIG) -T imximage \
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+ -e $(CONFIG_BOOTSTRAP_BASE) -d $< $@
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+
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+$(obj)u-boot-bootstrap.kwb: $(obj)u-boot-bootstrap.bin
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+ $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
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+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
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+
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+$(obj)u-boot-bootstrap.sha1: $(obj)u-boot-bootstrap.bin
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+ $(obj)tools/ubsha1 $(obj)u-boot-bootstrap.bin
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+
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+$(obj)u-boot-bootstrap.dis: $(obj)u-boot-bootstrap
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+ echo $(OBJDUMP) -S -d $< > $@
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+ $(OBJDUMP) -S -d $< > $@
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+
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+PAYLOAD_FILE_BASE=$(obj)u-boot.bin
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+ifeq ($(CONFIG_BOOTSTRAP_GZIP),y)
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+PAYLOAD_FILE_EXT:=.gz
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+endif
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+ifeq ($(CONFIG_BOOTSTRAP_LZMA),y)
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+PAYLOAD_FILE_EXT:=.lzma
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+endif
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+ifeq ($(CONFIG_BOOTSTRAP_LZO),y)
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+PAYLOAD_FILE_EXT:=.lzo
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+endif
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+ifeq ($(CONFIG_BOOTSTRAP_BZIP2),y)
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+PAYLOAD_FILE_EXT:=.bz2
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+endif
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+
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+PAYLOAD_FILE := $(PAYLOAD_FILE_BASE)$(PAYLOAD_FILE_EXT)
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+
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+$(obj).payload.s: $(PAYLOAD_FILE)
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+ echo ".globl payload_start" > $@
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+ echo ".globl payload_end" >> $@
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+ echo ".globl payload_size" >> $@
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+ echo ".globl payload_uncsize" >> $@
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+ echo .section .payload,\"a\",@progbits >> $@
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+ echo "payload_size:" >> $@
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+ echo -n ".word " >> $@
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+ wc -c $(PAYLOAD_FILE) | cut -f1 -d' ' >> $@
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+ echo "payload_uncsize:" >> $@
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+ echo -n ".word " >> $@
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+ wc -c $(obj)u-boot.bin | cut -f1 -d' ' >> $@
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+ echo "payload_start:" >> $@
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+ echo .incbin \"$(PAYLOAD_FILE)\" >> $@
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+ echo "payload_end:" >> $@
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+
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+
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+GEN_UBOOT_BOOTSTRAP = \
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+ UNDEF_SYM=`$(OBJDUMP) -x $(BOOTSTRAP_LIBBOARD) $(BOOTSTRAP_LIBS) | \
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+ sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
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+ cd $(LNDIR) && $(LD) --gc-sections $(BOOTSTRAP_LDFLAGS) $$UNDEF_SYM $(obj).payload.o $(__BOOTSTRAP_OBJS) \
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+ --start-group $(__BOOTSTRAP_LIBS) --end-group $(BOOTSTRAP_PLATFORM_LIBS) \
|
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+ -Map u-boot-bootstrap.map -o u-boot-bootstrap
|
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+
|
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+$(obj)u-boot-bootstrap: depend $(SUBDIRS) $(BOOTSTRAP_OBJS) $(BOOTSTRAP_LIBS) $(BOOTSTRAP_LDSCRIPT) $(obj)u-boot-bootstrap.lds $(obj).payload.o #$(BOOTSTRAP_LIBBOARD)
|
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+ #echo "--------$(BOOTSTRAP_LIBBOARD)"
|
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+ #echo "$(GEN_UBOOT_BOOTSTRAP)"
|
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+ $(GEN_UBOOT_BOOTSTRAP)
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+ifeq ($(CONFIG_KALLSYMS),y)
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+ smap=`$(call SYSTEM_MAP,u-boot-bootstrap) | \
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+ awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
|
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+ $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
|
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+ -c common/system_map.c -o $(obj)common/system_map.o
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+ $(GEN_UBOOT_BOOTSTRAP) $(obj)common/system_map.o
|
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+endif
|
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+
|
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+$(BOOTSTRAP_LIBBOARD): depend $(BOOTSTRAP_LIBS)
|
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+ $(MAKE) -C $(dir $(subst $(obj),,$@)) $(notdir $@)
|
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+endif
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+
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$(SUBDIRS): depend
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$(MAKE) -C $@ all
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|
|
@@ -371,6 +533,9 @@
|
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$(obj)u-boot.lds: $(LDSCRIPT)
|
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$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
|
|
|
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+$(obj)u-boot-bootstrap.lds: $(BOOTSTRAP_LDSCRIPT)
|
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+ $(CPP) $(CPPFLAGS) $(BOOTSTRAP_LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
|
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+
|
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$(NAND_SPL): $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
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$(MAKE) -C nand_spl/board/$(BOARDDIR) all
|
|
|
|
@@ -3829,6 +3994,7 @@
|
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$(obj)board/netstar/{eeprom,crcek,crcit,*.srec,*.bin} \
|
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$(obj)board/trab/trab_fkt $(obj)board/voiceblue/eeprom \
|
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$(obj)board/armltd/{integratorap,integratorcp}/u-boot.lds \
|
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+ $(obj)u-boot-bootstrap.lds \
|
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$(obj)lib_blackfin/u-boot.lds \
|
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$(obj)u-boot.lds \
|
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$(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
|
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@@ -3853,6 +4019,12 @@
|
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@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
|
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@rm -f $(obj)u-boot.kwb
|
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@rm -f $(obj)u-boot.imx
|
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+ @rm -f $(obj)u-boot.bin{.gz,.lzma,.lzo,.bz2}
|
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+ @rm -f $(obj)u-boot-bootstrap $(obj)u-boot-bootstrap.map $(obj)u-boot-bootstrap.hex
|
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+ @rm -f $(obj)u-boot-bootstrap.kwb
|
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+ @rm -f $(obj)u-boot-bootstrap.imx
|
|
+ @rm -f $(obj)u-boot-bootstrap.bin{.gz,.lzma,.lzo,.bz2}
|
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+ @rm -f $(obj).payload.s
|
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@rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
|
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@rm -f $(obj)cpu/mpc824x/bedbug_603e.c
|
|
@rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
|
|
--- a/lib_mips/config.mk
|
|
+++ b/lib_mips/config.mk
|
|
@@ -47,6 +47,6 @@
|
|
# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
|
|
# to RAM. $28 is always used as gp.
|
|
#
|
|
-PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic
|
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+PLATFORM_CPPFLAGS += -G 0 -mabicalls -fpic -g
|
|
PLATFORM_CPPFLAGS += -msoft-float
|
|
PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib
|
|
--- /dev/null
|
|
+++ b/cpu/mips/reset.c
|
|
@@ -0,0 +1,39 @@
|
|
+/*
|
|
+ * (C) Copyright 2003
|
|
+ * Wolfgang Denk, DENX Software Engineering, <wd@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 <common.h>
|
|
+#include <command.h>
|
|
+#include <asm/mipsregs.h>
|
|
+#include <asm/reboot.h>
|
|
+
|
|
+void __attribute__((weak)) _machine_restart(void)
|
|
+{
|
|
+}
|
|
+
|
|
+int __attribute__((weak)) do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
+{
|
|
+ _machine_restart();
|
|
+
|
|
+ fprintf(stderr, "*** reset failed ***\n");
|
|
+ return 0;
|
|
+}
|
|
--- /dev/null
|
|
+++ b/cpu/mips/reset_bootstrap.c
|
|
@@ -0,0 +1,39 @@
|
|
+/*
|
|
+ * (C) Copyright 2003
|
|
+ * Wolfgang Denk, DENX Software Engineering, <wd@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 <common.h>
|
|
+#include <command.h>
|
|
+#include <asm/mipsregs.h>
|
|
+#include <asm/reboot.h>
|
|
+
|
|
+void __attribute__((weak)) _machine_restart(void)
|
|
+{
|
|
+}
|
|
+
|
|
+int __attribute__((weak)) do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
+{
|
|
+ _machine_restart();
|
|
+
|
|
+ printf("*** reset failed ***\n");
|
|
+ return 0;
|
|
+}
|
|
--- /dev/null
|
|
+++ b/cpu/mips/start_bootstrap.S
|
|
@@ -0,0 +1,534 @@
|
|
+/*
|
|
+ * Startup Code for MIPS32 CPU-core base on start.S source
|
|
+ *
|
|
+ * Copyright (c) 2010 Industrie Dial Face S.p.A.
|
|
+ * Luigi 'Comio' Mantellini <luigi.mantellini@idf-hit.com>
|
|
+ *
|
|
+ * Copyright (c) 2003 Wolfgang Denk <wd@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 <generated/generic-asm-offsets.h>
|
|
+#include <config.h>
|
|
+#include <asm/regdef.h>
|
|
+//#include <asm/mipsregs.h>
|
|
+#define CP0_INDEX $0
|
|
+#define CP0_RANDOM $1
|
|
+#define CP0_ENTRYLO0 $2
|
|
+#define CP0_ENTRYLO1 $3
|
|
+#define CP0_CONF $3
|
|
+#define CP0_CONTEXT $4
|
|
+#define CP0_PAGEMASK $5
|
|
+#define CP0_WIRED $6
|
|
+#define CP0_INFO $7
|
|
+#define CP0_BADVADDR $8
|
|
+#define CP0_COUNT $9
|
|
+#define CP0_ENTRYHI $10
|
|
+#define CP0_COMPARE $11
|
|
+#define CP0_STATUS $12
|
|
+#define CP0_CAUSE $13
|
|
+#define CP0_EPC $14
|
|
+#define CP0_PRID $15
|
|
+#define CP0_EBASE $15,1
|
|
+#define CP0_CONFIG $16
|
|
+#define CP0_LLADDR $17
|
|
+#define CP0_WATCHLO $18
|
|
+#define CP0_WATCHHI $19
|
|
+#define CP0_XCONTEXT $20
|
|
+#define CP0_FRAMEMASK $21
|
|
+#define CP0_DIAGNOSTIC $22
|
|
+#define CP0_DEBUG $23
|
|
+#define CP0_DEPC $24
|
|
+#define CP0_PERFORMANCE $25
|
|
+#define CP0_ECC $26
|
|
+#define CP0_CACHEERR $27
|
|
+#define CP0_TAGLO $28
|
|
+#define CP0_TAGHI $29
|
|
+#define CP0_ERROREPC $30
|
|
+#define CP0_DESAVE $31
|
|
+#define ST0_CU0 0x10000000
|
|
+#define CONF_CM_UNCACHED 2
|
|
+#define CONF_CM_CACHABLE_NONCOHERENT 3
|
|
+#define EBASEB_CPUNUM 0
|
|
+#define EBASEF_CPUNUM (0x3ff << EBASEB_CPUNUM)
|
|
+#define MIPS_CONF7_RPS 4 //((unsigned long)(1) << 2)
|
|
+#define CONF_CM_CACHABLE_NONCOHERENT 3
|
|
+#ifndef CONFIG_SYS_MIPS_CACHE_OPER_MODE
|
|
+#define CONFIG_SYS_MIPS_CACHE_OPER_MODE CONF_CM_CACHABLE_NONCOHERENT
|
|
+#endif
|
|
+
|
|
+ /*
|
|
+ * For the moment disable interrupts, mark the kernel mode and
|
|
+ * set ST0_KX so that the CPU does not spit fire when using
|
|
+ * 64-bit addresses.
|
|
+ */
|
|
+ .macro setup_c0_status set clr
|
|
+ .set push
|
|
+ mfc0 t0, CP0_STATUS
|
|
+ or t0, ST0_CU0 | \set | 0x1f | \clr
|
|
+ xor t0, 0x1f | \clr
|
|
+ mtc0 t0, CP0_STATUS
|
|
+ .set noreorder
|
|
+ sll zero, 3 # ehb
|
|
+ .set pop
|
|
+ .endm
|
|
+
|
|
+ .macro setup_c0_status_reset
|
|
+#ifdef CONFIG_64BIT
|
|
+ setup_c0_status ST0_KX 0
|
|
+#else
|
|
+ setup_c0_status 0 0
|
|
+#endif
|
|
+ .endm
|
|
+
|
|
+#define RVECENT(f,n) \
|
|
+ b f; nop
|
|
+#define XVECENT(f,bev) \
|
|
+ b f ; \
|
|
+ li k0,bev
|
|
+
|
|
+ .set noreorder
|
|
+
|
|
+ .globl _start
|
|
+ .text
|
|
+_start:
|
|
+ RVECENT(reset,0) /* U-boot entry point */
|
|
+ RVECENT(reset,1) /* software reboot */
|
|
+#if defined(CONFIG_INCA_IP)
|
|
+ .word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
|
|
+ .word 0x00000000 /* phase of the flash */
|
|
+#elif defined(CONFIG_PURPLE)
|
|
+ .word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
|
|
+ .word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
|
|
+#else
|
|
+ .word INFINEON_EBU_BOOTCFG /* EBU init code, fetched during booting */
|
|
+ .word 0x00000000 /* phase of the flash */
|
|
+#endif
|
|
+ RVECENT(romReserved,3)
|
|
+ RVECENT(romReserved,4)
|
|
+ RVECENT(romReserved,5)
|
|
+ RVECENT(romReserved,6)
|
|
+ RVECENT(romReserved,7)
|
|
+ RVECENT(romReserved,8)
|
|
+ RVECENT(romReserved,9)
|
|
+ RVECENT(romReserved,10)
|
|
+ RVECENT(romReserved,11)
|
|
+ RVECENT(romReserved,12)
|
|
+ RVECENT(romReserved,13)
|
|
+ RVECENT(romReserved,14)
|
|
+ RVECENT(romReserved,15)
|
|
+ RVECENT(romReserved,16)
|
|
+ RVECENT(romReserved,17)
|
|
+ RVECENT(romReserved,18)
|
|
+ RVECENT(romReserved,19)
|
|
+ RVECENT(romReserved,20)
|
|
+ RVECENT(romReserved,21)
|
|
+ RVECENT(romReserved,22)
|
|
+ RVECENT(romReserved,23)
|
|
+ RVECENT(romReserved,24)
|
|
+ RVECENT(romReserved,25)
|
|
+ RVECENT(romReserved,26)
|
|
+ RVECENT(romReserved,27)
|
|
+ RVECENT(romReserved,28)
|
|
+ RVECENT(romReserved,29)
|
|
+ RVECENT(romReserved,30)
|
|
+ RVECENT(romReserved,31)
|
|
+ RVECENT(romReserved,32)
|
|
+ RVECENT(romReserved,33)
|
|
+ RVECENT(romReserved,34)
|
|
+ RVECENT(romReserved,35)
|
|
+ RVECENT(romReserved,36)
|
|
+ RVECENT(romReserved,37)
|
|
+ RVECENT(romReserved,38)
|
|
+ RVECENT(romReserved,39)
|
|
+ RVECENT(romReserved,40)
|
|
+ RVECENT(romReserved,41)
|
|
+ RVECENT(romReserved,42)
|
|
+ RVECENT(romReserved,43)
|
|
+ RVECENT(romReserved,44)
|
|
+ RVECENT(romReserved,45)
|
|
+ RVECENT(romReserved,46)
|
|
+ RVECENT(romReserved,47)
|
|
+ RVECENT(romReserved,48)
|
|
+ RVECENT(romReserved,49)
|
|
+ RVECENT(romReserved,50)
|
|
+ RVECENT(romReserved,51)
|
|
+ RVECENT(romReserved,52)
|
|
+ RVECENT(romReserved,53)
|
|
+ RVECENT(romReserved,54)
|
|
+ RVECENT(romReserved,55)
|
|
+ RVECENT(romReserved,56)
|
|
+ RVECENT(romReserved,57)
|
|
+ RVECENT(romReserved,58)
|
|
+ RVECENT(romReserved,59)
|
|
+ RVECENT(romReserved,60)
|
|
+ RVECENT(romReserved,61)
|
|
+ RVECENT(romReserved,62)
|
|
+ RVECENT(romReserved,63)
|
|
+ XVECENT(romExcHandle,0x200) /* bfc00200: R4000 tlbmiss vector */
|
|
+ RVECENT(romReserved,65)
|
|
+ RVECENT(romReserved,66)
|
|
+ RVECENT(romReserved,67)
|
|
+ RVECENT(romReserved,68)
|
|
+ RVECENT(romReserved,69)
|
|
+ RVECENT(romReserved,70)
|
|
+ RVECENT(romReserved,71)
|
|
+ RVECENT(romReserved,72)
|
|
+ RVECENT(romReserved,73)
|
|
+ RVECENT(romReserved,74)
|
|
+ RVECENT(romReserved,75)
|
|
+ RVECENT(romReserved,76)
|
|
+ RVECENT(romReserved,77)
|
|
+ RVECENT(romReserved,78)
|
|
+ RVECENT(romReserved,79)
|
|
+ XVECENT(romExcHandle,0x280) /* bfc00280: R4000 xtlbmiss vector */
|
|
+ RVECENT(romReserved,81)
|
|
+ RVECENT(romReserved,82)
|
|
+ RVECENT(romReserved,83)
|
|
+ RVECENT(romReserved,84)
|
|
+ RVECENT(romReserved,85)
|
|
+ RVECENT(romReserved,86)
|
|
+ RVECENT(romReserved,87)
|
|
+ RVECENT(romReserved,88)
|
|
+ RVECENT(romReserved,89)
|
|
+ RVECENT(romReserved,90)
|
|
+ RVECENT(romReserved,91)
|
|
+ RVECENT(romReserved,92)
|
|
+ RVECENT(romReserved,93)
|
|
+ RVECENT(romReserved,94)
|
|
+ RVECENT(romReserved,95)
|
|
+ XVECENT(romExcHandle,0x300) /* bfc00300: R4000 cache vector */
|
|
+ RVECENT(romReserved,97)
|
|
+ RVECENT(romReserved,98)
|
|
+ RVECENT(romReserved,99)
|
|
+ RVECENT(romReserved,100)
|
|
+ RVECENT(romReserved,101)
|
|
+ RVECENT(romReserved,102)
|
|
+ RVECENT(romReserved,103)
|
|
+ RVECENT(romReserved,104)
|
|
+ RVECENT(romReserved,105)
|
|
+ RVECENT(romReserved,106)
|
|
+ RVECENT(romReserved,107)
|
|
+ RVECENT(romReserved,108)
|
|
+ RVECENT(romReserved,109)
|
|
+ RVECENT(romReserved,110)
|
|
+ RVECENT(romReserved,111)
|
|
+ XVECENT(romExcHandle,0x380) /* bfc00380: R4000 general vector */
|
|
+ RVECENT(romReserved,113)
|
|
+ RVECENT(romReserved,114)
|
|
+ RVECENT(romReserved,115)
|
|
+ RVECENT(romReserved,116)
|
|
+ RVECENT(romReserved,116)
|
|
+ RVECENT(romReserved,118)
|
|
+ RVECENT(romReserved,119)
|
|
+ RVECENT(romReserved,120)
|
|
+ RVECENT(romReserved,121)
|
|
+ RVECENT(romReserved,122)
|
|
+ RVECENT(romReserved,123)
|
|
+ RVECENT(romReserved,124)
|
|
+ RVECENT(romReserved,125)
|
|
+ RVECENT(romReserved,126)
|
|
+ RVECENT(romReserved,127)
|
|
+
|
|
+ /* We hope there are no more reserved vectors!
|
|
+ * 128 * 8 == 1024 == 0x400
|
|
+ * so this is address R_VEC+0x400 == 0xbfc00400
|
|
+ */
|
|
+#if 1
|
|
+ XVECENT(romExcHandle,0x400); /* bfc00400: Int, CauseIV=1 */
|
|
+ RVECENT(romReserved,129);
|
|
+ RVECENT(romReserved,130);
|
|
+ RVECENT(romReserved,131);
|
|
+ RVECENT(romReserved,132);
|
|
+ RVECENT(romReserved,133);
|
|
+ RVECENT(romReserved,134);
|
|
+ RVECENT(romReserved,135);
|
|
+ RVECENT(romReserved,136);
|
|
+ RVECENT(romReserved,137);
|
|
+ RVECENT(romReserved,138);
|
|
+ RVECENT(romReserved,139);
|
|
+ RVECENT(romReserved,140);
|
|
+ RVECENT(romReserved,141);
|
|
+ RVECENT(romReserved,142);
|
|
+ RVECENT(romReserved,143);
|
|
+ XVECENT(romExcHandle,0x480); /* bfc00480: EJTAG debug exception */
|
|
+#elif defined(CONFIG_PURPLE)
|
|
+/* 0xbfc00400 */
|
|
+ .word 0xdc870000
|
|
+ .word 0xfca70000
|
|
+ .word 0x20840008
|
|
+ .word 0x20a50008
|
|
+ .word 0x20c6ffff
|
|
+ .word 0x14c0fffa
|
|
+ .word 0x00000000
|
|
+ .word 0x03e00008
|
|
+ .word 0x00000000
|
|
+ .word 0x00000000
|
|
+/* 0xbfc00428 */
|
|
+ .word 0xdc870000
|
|
+ .word 0xfca70000
|
|
+ .word 0x20840008
|
|
+ .word 0x20a50008
|
|
+ .word 0x20c6ffff
|
|
+ .word 0x14c0fffa
|
|
+ .word 0x00000000
|
|
+ .word 0x03e00008
|
|
+ .word 0x00000000
|
|
+ .word 0x00000000
|
|
+#endif /* CONFIG_PURPLE */
|
|
+ .align 4
|
|
+reset:
|
|
+#ifdef CONFIG_SYS_MIPS_MULTI_CPU
|
|
+ mfc0 k0, CP0_EBASE
|
|
+ and k0, EBASEF_CPUNUM
|
|
+ bne k0, zero, ifx_mips_handler_cpux
|
|
+ nop
|
|
+#endif
|
|
+ /* Clear watch registers.
|
|
+ */
|
|
+ mtc0 zero, CP0_WATCHLO
|
|
+ mtc0 zero, CP0_WATCHHI
|
|
+
|
|
+ /* WP(Watch Pending), SW0/1 should be cleared. */
|
|
+ mtc0 zero, CP0_CAUSE
|
|
+
|
|
+ setup_c0_status_reset
|
|
+#if defined(CONFIG_MIPS24KEC) || defined(CONFIG_MIPS34KC)
|
|
+ /* CONFIG7 register */
|
|
+ /* Erratum "RPS May Cause Incorrect Instruction Execution"
|
|
+ * for 24KEC and 34KC */
|
|
+ mfc0 k0, CP0_CONFIG, 7
|
|
+ li k1, MIPS_CONF7_RPS
|
|
+ or k0, k1
|
|
+ mtc0 k0, CP0_CONFIG, 7
|
|
+#endif
|
|
+
|
|
+ /* Init Timer */
|
|
+ mtc0 zero, CP0_COUNT
|
|
+ mtc0 zero, CP0_COMPARE
|
|
+
|
|
+ /* CONFIG0 register */
|
|
+ li t0, CONF_CM_UNCACHED
|
|
+ mtc0 t0, CP0_CONFIG
|
|
+
|
|
+ /* Initialize $gp.
|
|
+ */
|
|
+ bal 1f
|
|
+ nop
|
|
+ .word _gp
|
|
+1:
|
|
+ lw gp, 0(ra)
|
|
+
|
|
+ /* Initialize any external memory.
|
|
+ */
|
|
+ la t9, lowlevel_init
|
|
+ jalr t9
|
|
+ nop
|
|
+
|
|
+ /* Initialize caches...
|
|
+ */
|
|
+ la t9, mips_cache_reset
|
|
+ jalr t9
|
|
+ nop
|
|
+
|
|
+ /* ... and enable them.
|
|
+ */
|
|
+ li t0, CONF_CM_CACHABLE_NONCOHERENT /*CONFIG_SYS_MIPS_CACHE_OPER_MODE*/
|
|
+ mtc0 t0, CP0_CONFIG
|
|
+
|
|
+ /* Set up temporary stack.
|
|
+ */
|
|
+#ifdef CONFIG_SYS_INIT_RAM_LOCK_MIPS
|
|
+ li a0, CONFIG_SYS_INIT_SP_OFFSET
|
|
+ la t9, mips_cache_lock
|
|
+ jalr t9
|
|
+ nop
|
|
+#endif
|
|
+
|
|
+ li t0, CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_INIT_SP_OFFSET
|
|
+ la sp, 0(t0)
|
|
+
|
|
+ la t9, bootstrap_board_init_f
|
|
+ jr t9
|
|
+ nop
|
|
+
|
|
+/*
|
|
+ * void relocate_code (addr_sp, gd, addr_moni)
|
|
+ *
|
|
+ * This "function" does not return, instead it continues in RAM
|
|
+ * after relocating the monitor code.
|
|
+ *
|
|
+ * a0 = addr_sp
|
|
+ * a1 = gd
|
|
+ * a2 = destination address
|
|
+ */
|
|
+ .globl relocate_code
|
|
+ .ent relocate_code
|
|
+relocate_code:
|
|
+ move sp, a0 /* Set new stack pointer */
|
|
+
|
|
+ li t0, CONFIG_BOOTSTRAP_TEXT_BASE
|
|
+ la t3, in_ram
|
|
+ lw t2, -12(t3) /* t2 <-- uboot_end_data */
|
|
+ move t1, a2
|
|
+ move s2, a2 /* s2 <-- destination address */
|
|
+
|
|
+ /*
|
|
+ * Fix $gp:
|
|
+ *
|
|
+ * New $gp = (Old $gp - CONFIG_SYS_MONITOR_BASE) + Destination Address
|
|
+ */
|
|
+ move t6, gp
|
|
+ sub gp, CONFIG_BOOTSTRAP_TEXT_BASE
|
|
+ add gp, a2 /* gp now adjusted */
|
|
+ sub s1, gp, t6 /* s1 <-- relocation offset */
|
|
+
|
|
+ /*
|
|
+ * t0 = source address
|
|
+ * t1 = target address
|
|
+ * t2 = source end address
|
|
+ */
|
|
+
|
|
+ /*
|
|
+ * Save destination address and size for later usage in flush_cache()
|
|
+ */
|
|
+ move s0, a1 /* save gd in s0 */
|
|
+ move a0, t1 /* a0 <-- destination addr */
|
|
+ sub a1, t2, t0 /* a1 <-- size */
|
|
+
|
|
+ /* On the purple board we copy the code earlier in a special way
|
|
+ * in order to solve flash problems
|
|
+ */
|
|
+#ifndef CONFIG_PURPLE
|
|
+1:
|
|
+ lw t3, 0(t0)
|
|
+ sw t3, 0(t1)
|
|
+ addu t0, 4
|
|
+ ble t0, t2, 1b
|
|
+ addu t1, 4 /* delay slot */
|
|
+#endif
|
|
+
|
|
+ /* If caches were enabled, we would have to flush them here.
|
|
+ */
|
|
+
|
|
+ /* a0 & a1 are already set up for flush_cache(start, size) */
|
|
+ la t9, flush_cache
|
|
+ jalr t9
|
|
+ nop
|
|
+
|
|
+ /* Jump to where we've relocated ourselves.
|
|
+ */
|
|
+ addi t0, s2, in_ram - _start
|
|
+ jr t0
|
|
+ nop
|
|
+
|
|
+ .word _gp
|
|
+ .word _GLOBAL_OFFSET_TABLE_
|
|
+ .word uboot_end_data
|
|
+ .word uboot_end
|
|
+ .word num_got_entries
|
|
+
|
|
+in_ram:
|
|
+ /*
|
|
+ * Now we want to update GOT.
|
|
+ *
|
|
+ * GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
|
|
+ * generated by GNU ld. Skip these reserved entries from relocation.
|
|
+ */
|
|
+ lw t3, -4(t0) /* t3 <-- num_got_entries */
|
|
+ lw t4, -16(t0) /* t4 <-- _GLOBAL_OFFSET_TABLE_ */
|
|
+ lw t5, -20(t0) /* t5 <-- _gp */
|
|
+ sub t4, t5 /* compute offset*/
|
|
+ add t4, t4, gp /* t4 now holds relocated _GLOBAL_OFFSET_TABLE_ */
|
|
+ addi t4, t4, 8 /* Skipping first two entries. */
|
|
+ li t2, 2
|
|
+1:
|
|
+ lw t1, 0(t4)
|
|
+ beqz t1, 2f
|
|
+ add t1, s1
|
|
+ sw t1, 0(t4)
|
|
+2:
|
|
+ addi t2, 1
|
|
+ blt t2, t3, 1b
|
|
+ addi t4, 4 /* delay slot */
|
|
+
|
|
+ /* Clear BSS.
|
|
+ */
|
|
+ lw t1, -12(t0) /* t1 <-- uboot_end_data */
|
|
+ lw t2, -8(t0) /* t2 <-- uboot_end */
|
|
+ add t1, s1 /* adjust pointers */
|
|
+ add t2, s1
|
|
+
|
|
+ sub t1, 4
|
|
+1:
|
|
+ addi t1, 4
|
|
+ bltl t1, t2, 1b
|
|
+ sw zero, 0(t1) /* delay slot */
|
|
+
|
|
+ move a0, s0 /* a0 <-- gd */
|
|
+ la t9, bootstrap_board_init_r
|
|
+ jr t9
|
|
+ move a1, s2 /* delay slot */
|
|
+
|
|
+ .end relocate_code
|
|
+
|
|
+/*
|
|
+ * void copy_and_jump (void)
|
|
+ *
|
|
+ * This function copies/unzips the u-boot image and runs it.
|
|
+ * This "function" does not return
|
|
+ *
|
|
+*/
|
|
+ .globl copy_and_jump
|
|
+ .ent copy_and_jump
|
|
+copy_and_jump:
|
|
+
|
|
+ /* copy_uboot(CONFIG_SYS_MONITOR_BASE, payload_uncsize, payload_start, payload_size) */
|
|
+ li a0, CONFIG_SYS_MONITOR_BASE
|
|
+ la a1, payload_uncsize
|
|
+ lw a1, 0(a1)
|
|
+ la a2, payload_start
|
|
+ la a3, payload_size
|
|
+ la t9, copy_uboot
|
|
+ jalr t9
|
|
+ lw a3, 0(a3) /* delay slot */
|
|
+
|
|
+ li t9, CONFIG_SYS_MONITOR_BASE
|
|
+ jr t9
|
|
+ nop
|
|
+
|
|
+ .end copy_and_jump
|
|
+
|
|
+ /* Exception handlers.
|
|
+ */
|
|
+romReserved:
|
|
+ b romReserved
|
|
+
|
|
+romExcHandle:
|
|
+ b romExcHandle
|
|
+#ifdef CONFIG_SYS_MIPS_MULTI_CPU
|
|
+/*
|
|
+ * Stop Slave CPUs
|
|
+ */
|
|
+ifx_mips_handler_cpux:
|
|
+ wait;
|
|
+ b ifx_mips_handler_cpux;
|
|
+ nop;
|
|
+#endif
|
|
--- a/lib_mips/Makefile
|
|
+++ b/lib_mips/Makefile
|
|
@@ -24,6 +24,9 @@
|
|
include $(TOPDIR)/config.mk
|
|
|
|
LIB = $(obj)lib$(ARCH).a
|
|
+BOOTSTRAP_LIB = $(obj)lib$(ARCH)_bootstrap.a
|
|
+
|
|
+BOOTSTRAP_LIB-$(CONFIG_BOOTSTRAP) = $(BOOTSTRAP_LIB)
|
|
|
|
SOBJS-y +=
|
|
|
|
@@ -35,12 +38,21 @@
|
|
endif
|
|
COBJS-y += time.o
|
|
|
|
-SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += board_bootstrap.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += time.o
|
|
+
|
|
+BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_SOBJS-y) $(BOOTSTRAP_COBJS-y))
|
|
+
|
|
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) $(BOOTSTRAP_SOBJS-y:.o=.S) $(BOOTSTRAP_COBJS-y:.o=.c)
|
|
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
|
|
|
|
+all: $(obj).depend $(LIB) $(BOOTSTRAP_LIB)
|
|
$(LIB): $(obj).depend $(OBJS)
|
|
$(AR) $(ARFLAGS) $@ $(OBJS)
|
|
|
|
+$(BOOTSTRAP_LIB): $(obj).depend $(BOOTSTRAP_OBJS)
|
|
+ $(AR) $(ARFLAGS) $@ $(BOOTSTRAP_OBJS)
|
|
+
|
|
#########################################################################
|
|
|
|
# defines $(obj).depend target
|
|
--- /dev/null
|
|
+++ b/lib_mips/board_bootstrap.c
|
|
@@ -0,0 +1,270 @@
|
|
+/*
|
|
+ * (C) Copyright 2010 Industrie Dial Face S.p.A.
|
|
+ * Luigi 'Comio' Mantellini, luigi.mantellini@idf-hit.com
|
|
+ *
|
|
+ * (C) Copyright 2003
|
|
+ * Wolfgang Denk, DENX Software Engineering, wd@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 <common.h>
|
|
+#include <command.h>
|
|
+#include <malloc.h>
|
|
+#include <stdio_dev.h>
|
|
+
|
|
+DECLARE_GLOBAL_DATA_PTR;
|
|
+
|
|
+extern int timer_init(void);
|
|
+
|
|
+extern int incaip_set_cpuclk(void);
|
|
+
|
|
+extern ulong uboot_end_data;
|
|
+extern ulong uboot_end;
|
|
+
|
|
+#ifdef CONFIG_BOOTSTRAP_SERIAL
|
|
+static char *failed = "*** failed ***\n";
|
|
+#endif
|
|
+/*
|
|
+ * mips_io_port_base is the begin of the address space to which x86 style
|
|
+ * I/O ports are mapped.
|
|
+ */
|
|
+unsigned long mips_io_port_base = -1;
|
|
+
|
|
+int __board_early_init_f(void)
|
|
+{
|
|
+ /*
|
|
+ * Nothing to do in this dummy implementation
|
|
+ */
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+int board_early_init_f(void) __attribute__((weak, alias("__board_early_init_f")));
|
|
+int bootstrap_board_early_init_f(void) __attribute__((weak, alias("board_early_init_f")));
|
|
+
|
|
+static int bootstrap_init_func_ram (void)
|
|
+{
|
|
+ if ((gd->ram_size = bootstrap_initdram (0)) > 0) {
|
|
+ return (0);
|
|
+ }
|
|
+#ifdef CONFIG_BOOTSTRAP_SERIAL
|
|
+ puts (failed);
|
|
+#endif
|
|
+ return (1);
|
|
+}
|
|
+
|
|
+static int bootstrap_display_banner(void)
|
|
+{
|
|
+#ifdef CONFIG_BOOTSTRAP_SERIAL
|
|
+ puts ("bootstrap...");
|
|
+#endif
|
|
+ return (0);
|
|
+}
|
|
+
|
|
+static int bootstrap_init_baudrate (void)
|
|
+{
|
|
+#if defined(CONFIG_BOOTSTRAP_BAUDRATE)
|
|
+ gd->baudrate = CONFIG_BOOTSTRAP_BAUDRATE;
|
|
+#else
|
|
+ gd->baudrate = CONFIG_BAUDRATE;
|
|
+#endif
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+/*
|
|
+ * Breath some life into the board...
|
|
+ *
|
|
+ * The first part of initialization is running from Flash memory;
|
|
+ * its main purpose is to initialize the RAM so that we
|
|
+ * can relocate the monitor code to RAM.
|
|
+ */
|
|
+
|
|
+/*
|
|
+ * All attempts to come up with a "common" initialization sequence
|
|
+ * that works for all boards and architectures failed: some of the
|
|
+ * requirements are just _too_ different. To get rid of the resulting
|
|
+ * mess of board dependend #ifdef'ed code we now make the whole
|
|
+ * initialization sequence configurable to the user.
|
|
+ *
|
|
+ * The requirements for any new initalization function is simple: it
|
|
+ * receives a pointer to the "global data" structure as it's only
|
|
+ * argument, and returns an integer return code, where 0 means
|
|
+ * "continue" and != 0 means "fatal error, hang the system".
|
|
+ */
|
|
+typedef int (init_fnc_t) (void);
|
|
+
|
|
+static init_fnc_t *init_sequence[] = {
|
|
+ bootstrap_board_early_init_f,
|
|
+ timer_init,
|
|
+ bootstrap_init_baudrate,/* initialze baudrate settings */
|
|
+#ifdef CONFIG_BOOTSTRAP_SERIAL
|
|
+ serial_init, /* serial communications setup */
|
|
+#endif
|
|
+ bootstrap_display_banner, /* say that we are here */
|
|
+ bootstrap_checkboard,
|
|
+ bootstrap_init_func_ram,
|
|
+ NULL,
|
|
+};
|
|
+
|
|
+
|
|
+void bootstrap_board_init_f(ulong bootflag)
|
|
+{
|
|
+ gd_t gd_data, *id;
|
|
+ bd_t *bd;
|
|
+ init_fnc_t **init_fnc_ptr;
|
|
+ ulong addr, addr_sp, len = (ulong)&uboot_end - CONFIG_BOOTSTRAP_TEXT_BASE;
|
|
+ ulong *s;
|
|
+
|
|
+ /* Pointer is writable since we allocated a register for it.
|
|
+ */
|
|
+ gd = &gd_data;
|
|
+ /* compiler optimization barrier needed for GCC >= 3.4 */
|
|
+ __asm__ __volatile__("": : :"memory");
|
|
+
|
|
+ memset ((void *)gd, 0, sizeof (gd_t));
|
|
+
|
|
+ for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
|
|
+ if ((*init_fnc_ptr)() != 0) {
|
|
+ bootstrap_hang ();
|
|
+ }
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Now that we have DRAM mapped and working, we can
|
|
+ * relocate the code and continue running from DRAM.
|
|
+ */
|
|
+ addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
|
|
+
|
|
+ /* We can reserve some RAM "on top" here.
|
|
+ */
|
|
+
|
|
+ /* round down to next 4 kB limit.
|
|
+ */
|
|
+ addr &= ~(4096 - 1);
|
|
+ debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
|
|
+
|
|
+ /* Reserve memory for U-Boot code, data & bss
|
|
+ * round down to next 16 kB limit
|
|
+ */
|
|
+ addr -= len;
|
|
+ addr &= ~(16 * 1024 - 1);
|
|
+
|
|
+ debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
|
|
+
|
|
+ /* Reserve memory for malloc() arena.
|
|
+ */
|
|
+ addr_sp = addr - CONFIG_SYS_MALLOC_LEN;
|
|
+ debug ("Reserving %dk for malloc() at: %08lx\n",
|
|
+ CONFIG_SYS_MALLOC_LEN >> 10, addr_sp);
|
|
+
|
|
+ /*
|
|
+ * (permanently) allocate a Board Info struct
|
|
+ * and a permanent copy of the "global" data
|
|
+ */
|
|
+ addr_sp -= sizeof(bd_t);
|
|
+ bd = (bd_t *)addr_sp;
|
|
+ gd->bd = bd;
|
|
+ debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
|
|
+ sizeof(bd_t), addr_sp);
|
|
+
|
|
+ addr_sp -= sizeof(gd_t);
|
|
+ id = (gd_t *)addr_sp;
|
|
+ debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
|
|
+ sizeof (gd_t), addr_sp);
|
|
+
|
|
+ /* Reserve memory for boot params.
|
|
+ */
|
|
+ addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN;
|
|
+ bd->bi_boot_params = addr_sp;
|
|
+ debug ("Reserving %dk for boot params() at: %08lx\n",
|
|
+ CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp);
|
|
+
|
|
+ /*
|
|
+ * Finally, we set up a new (bigger) stack.
|
|
+ *
|
|
+ * Leave some safety gap for SP, force alignment on 16 byte boundary
|
|
+ * Clear initial stack frame
|
|
+ */
|
|
+ addr_sp -= 16;
|
|
+ addr_sp &= ~0xF;
|
|
+ s = (ulong *)addr_sp;
|
|
+ *s-- = 0;
|
|
+ *s-- = 0;
|
|
+ addr_sp = (ulong)s;
|
|
+ debug ("Stack Pointer at: %08lx\n", addr_sp);
|
|
+
|
|
+ /*
|
|
+ * Save local variables to board info struct
|
|
+ */
|
|
+ bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
|
|
+ bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
|
|
+ bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
|
|
+
|
|
+ memcpy (id, (void *)gd, sizeof (gd_t));
|
|
+
|
|
+ /* On the purple board we copy the code in a special way
|
|
+ * in order to solve flash problems
|
|
+ */
|
|
+ relocate_code (addr_sp, id, addr);
|
|
+
|
|
+ /* NOTREACHED - relocate_code() does not return */
|
|
+}
|
|
+/************************************************************************
|
|
+ *
|
|
+ * This is the next part if the initialization sequence: we are now
|
|
+ * running from RAM and have a "normal" C environment, i. e. global
|
|
+ * data can be written, BSS has been cleared, the stack size in not
|
|
+ * that critical any more, etc.
|
|
+ *
|
|
+ ************************************************************************
|
|
+ */
|
|
+
|
|
+void bootstrap_board_init_r (gd_t *id, ulong dest_addr)
|
|
+{
|
|
+ extern void malloc_bin_reloc (void);
|
|
+ extern void copy_and_jump(void);
|
|
+
|
|
+ bd_t *bd;
|
|
+
|
|
+ gd = id;
|
|
+ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
|
|
+
|
|
+ debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
|
|
+
|
|
+ gd->reloc_off = dest_addr - CONFIG_BOOTSTRAP_TEXT_BASE;
|
|
+
|
|
+ bd = gd->bd;
|
|
+
|
|
+ /* The Malloc area is immediately below the monitor copy in DRAM */
|
|
+ mem_malloc_init(CONFIG_BOOTSTRAP_BASE + gd->reloc_off -
|
|
+ CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN);
|
|
+ malloc_bin_reloc();
|
|
+
|
|
+ copy_and_jump();
|
|
+
|
|
+ /* NOTREACHED - no way out of command loop except booting */
|
|
+}
|
|
+
|
|
+void bootstrap_hang (void)
|
|
+{
|
|
+#ifdef CONFIG_BOOTSTRAP_SERIAL
|
|
+ puts ("### ERROR ### Please RESET the board ###\n");
|
|
+#endif
|
|
+ for (;;);
|
|
+}
|
|
--- a/common/Makefile
|
|
+++ b/common/Makefile
|
|
@@ -24,6 +24,9 @@
|
|
include $(TOPDIR)/config.mk
|
|
|
|
LIB = $(obj)libcommon.a
|
|
+BOOTSTRAP_LIB = $(obj)libcommon_bootstrap.a
|
|
+
|
|
+BOOTSTRAP_LIB-$(CONFIG_BOOTSTRAP) = $(BOOTSTRAP_LIB)
|
|
|
|
AOBJS =
|
|
|
|
@@ -168,18 +171,27 @@
|
|
COBJS-$(CONFIG_UPDATE_TFTP) += update.o
|
|
COBJS-$(CONFIG_USB_KEYBOARD) += usb_kbd.o
|
|
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += dlmalloc.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_SERIAL) += console_bootstrap.o
|
|
+
|
|
+BOOTSTRAP_COBJS := $(sort $(BOOTSTRAP_COBJS-y))
|
|
+BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_COBJS))
|
|
+
|
|
|
|
COBJS := $(sort $(COBJS-y))
|
|
-SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c)
|
|
+SRCS := $(AOBJS:.o=.S) $(COBJS:.o=.c) $(BOOTSTRAP_COBJS:.o=.c)
|
|
OBJS := $(addprefix $(obj),$(AOBJS) $(COBJS))
|
|
|
|
CPPFLAGS += -I..
|
|
|
|
-all: $(LIB) $(AOBJS)
|
|
+all: $(LIB) $(BOOTSTRAP_LIB-y) $(AOBJS)
|
|
|
|
$(LIB): $(obj).depend $(OBJS)
|
|
$(AR) $(ARFLAGS) $@ $(OBJS)
|
|
|
|
+$(BOOTSTRAP_LIB): $(obj).depend $(BOOTSTRAP_OBJS)
|
|
+ $(AR) $(ARFLAGS) $@ $(BOOTSTRAP_OBJS)
|
|
+
|
|
$(obj)env_embedded.o: $(src)env_embedded.c $(obj)../tools/envcrc
|
|
$(CC) $(AFLAGS) -Wa,--no-warn \
|
|
-DENV_CRC=$(shell $(obj)../tools/envcrc) \
|
|
--- /dev/null
|
|
+++ b/common/console_bootstrap.c
|
|
@@ -0,0 +1,81 @@
|
|
+/*
|
|
+ * (C) Copyright 2000
|
|
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
|
|
+ *
|
|
+ * 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 <common.h>
|
|
+#include <stdarg.h>
|
|
+#include <malloc.h>
|
|
+
|
|
+/** U-Boot INITIAL CONSOLE-COMPATIBLE FUNCTION *****************************/
|
|
+
|
|
+int getc(void)
|
|
+{
|
|
+ /* Send directly to the handler */
|
|
+ return serial_getc();
|
|
+}
|
|
+
|
|
+int tstc(void)
|
|
+{
|
|
+ /* Send directly to the handler */
|
|
+ return serial_tstc();
|
|
+}
|
|
+
|
|
+void putc(const char c)
|
|
+{
|
|
+ /* Send directly to the handler */
|
|
+ serial_putc(c);
|
|
+}
|
|
+
|
|
+void puts(const char *s)
|
|
+{
|
|
+ serial_puts(s);
|
|
+}
|
|
+
|
|
+void printf(const char *fmt, ...)
|
|
+{
|
|
+ va_list args;
|
|
+ char printbuffer[CONFIG_SYS_PBSIZE];
|
|
+
|
|
+ va_start(args, fmt);
|
|
+
|
|
+ /* For this to work, printbuffer must be larger than
|
|
+ * anything we ever want to print.
|
|
+ */
|
|
+ vsprintf(printbuffer, fmt, args);
|
|
+ va_end(args);
|
|
+
|
|
+ /* Print the string */
|
|
+ puts(printbuffer);
|
|
+}
|
|
+
|
|
+void vprintf(const char *fmt, va_list args)
|
|
+{
|
|
+ char printbuffer[CONFIG_SYS_PBSIZE];
|
|
+
|
|
+ /* For this to work, printbuffer must be larger than
|
|
+ * anything we ever want to print.
|
|
+ */
|
|
+ vsprintf(printbuffer, fmt, args);
|
|
+
|
|
+ /* Print the string */
|
|
+ puts(printbuffer);
|
|
+}
|
|
--- a/config.mk
|
|
+++ b/config.mk
|
|
@@ -136,7 +136,7 @@
|
|
ARFLAGS = crv
|
|
endif
|
|
RELFLAGS= $(PLATFORM_RELFLAGS)
|
|
-DBGFLAGS= -g # -DDEBUG
|
|
+DBGFLAGS= -g
|
|
OPTFLAGS= -Os #-fomit-frame-pointer
|
|
ifndef LDSCRIPT
|
|
#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
|
|
@@ -146,6 +146,11 @@
|
|
LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
|
|
endif
|
|
endif
|
|
+ifeq ($(CONFIG_BOOTSTRAP),y)
|
|
+ifndef BOOTSTRAP_LDSCRIPT
|
|
+BOOTSTRAP_LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-bootstrap.lds
|
|
+endif
|
|
+endif
|
|
OBJCFLAGS += --gap-fill=0xff
|
|
|
|
gccincdir := $(shell $(CC) -print-file-name=include)
|
|
@@ -156,6 +161,10 @@
|
|
CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
|
|
endif
|
|
|
|
+ifneq ($(CONFIG_BOOTSTRAP_TEXT_BASE),)
|
|
+CPPFLAGS += -DCONFIG_BOOTSTRAP_TEXT_BASE=$(CONFIG_BOOTSTRAP_TEXT_BASE)
|
|
+endif
|
|
+
|
|
ifneq ($(RESET_VECTOR_ADDRESS),)
|
|
CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS)
|
|
endif
|
|
@@ -176,6 +185,7 @@
|
|
endif
|
|
|
|
CFLAGS += $(call cc-option,-fno-stack-protector)
|
|
+CFLAGS += $(call cc-option,-ffunction-sections)
|
|
|
|
# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9)
|
|
# this option have to be placed behind -Wall -- that's why it is here
|
|
@@ -203,6 +213,13 @@
|
|
LDFLAGS += -Ttext $(TEXT_BASE)
|
|
endif
|
|
|
|
+ifeq ($(CONFIG_BOOTSTRAP),y)
|
|
+BOOTSTRAP_LDFLAGS += -Bstatic -T $(obj)u-boot-bootstrap.lds $(PLATFORM_LDFLAGS)
|
|
+ifneq ($(CONFIG_BOOTSTRAP_TEXT_BASE),)
|
|
+BOOTSTRAP_LDFLAGS += -Ttext $(CONFIG_BOOTSTRAP_TEXT_BASE)
|
|
+endif
|
|
+endif
|
|
+
|
|
# Location of a usable BFD library, where we define "usable" as
|
|
# "built for ${HOST}, supports ${TARGET}". Sensible values are
|
|
# - When cross-compiling: the root of the cross-environment
|
|
--- a/include/common.h
|
|
+++ b/include/common.h
|
|
@@ -722,6 +722,27 @@
|
|
int cpu_release(int nr, int argc, char *argv[]);
|
|
#endif
|
|
|
|
+/* Bootstrap specific code */
|
|
+#ifdef CONFIG_BOOTSTRAP
|
|
+void bootstrap_hang(void) __attribute__ ((noreturn));
|
|
+void bootstrap_board_init_f(ulong) __attribute__ ((noreturn));
|
|
+void bootstrap_board_init_r(gd_t *, ulong) __attribute__ ((noreturn));
|
|
+int bootstrap_checkboard(void);
|
|
+
|
|
+int bootstrap_serial_init(void);
|
|
+void bootstrap_serial_exit(void);
|
|
+void bootstrap_serial_setbrg(void);
|
|
+void bootstrap_serial_putc(const char);
|
|
+void bootstrap_serial_putc_raw(const char);
|
|
+void bootstrap_serial_puts(const char *);
|
|
+int bootstrap_serial_getc(void);
|
|
+int bootstrap_serial_tstc(void);
|
|
+
|
|
+phys_size_t bootstrap_initdram (int);
|
|
+
|
|
+int copy_uboot(void *dst, size_t unc_size, void *src, size_t size);
|
|
+#endif
|
|
+
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
/* Put only stuff here that the assembler can digest */
|
|
--- a/lib_generic/Makefile
|
|
+++ b/lib_generic/Makefile
|
|
@@ -24,6 +24,9 @@
|
|
include $(TOPDIR)/config.mk
|
|
|
|
LIB = $(obj)libgeneric.a
|
|
+BOOTSTRAP_LIB = $(obj)libgeneric_bootstrap.a
|
|
+
|
|
+BOOTSTRAP_LIB-$(CONFIG_BOOTSTRAP) = $(BOOTSTRAP_LIB)
|
|
|
|
COBJS-$(CONFIG_ADDR_MAP) += addr_map.o
|
|
COBJS-$(CONFIG_BZIP2) += bzlib.o
|
|
@@ -50,14 +53,37 @@
|
|
COBJS-y += vsprintf.o
|
|
COBJS-$(CONFIG_ZLIB) += zlib.o
|
|
COBJS-$(CONFIG_RBTREE) += rbtree.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += string.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += vsprintf.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += div64.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += ctype.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += time.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += bootstrap.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_GZIP) += zlib.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_GZIP) += gunzip.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_GZIP) += crc32.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_BZIP2) += bzlib.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_BZIP2) += bzlib_crctable.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_BZIP2) += bzlib_decompress.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_BZIP2) += bzlib_randtable.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_BZIP2) += bzlib_huffman.o
|
|
+
|
|
+BOOTSTRAP_COBJS := $(BOOTSTRAP_COBJS-y)
|
|
+BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_COBJS))
|
|
|
|
COBJS := $(COBJS-y)
|
|
-SRCS := $(COBJS:.o=.c)
|
|
+SRCS := $(COBJS:.o=.c) $(BOOTSTRAP_COBJS:.o=.c)
|
|
OBJS := $(addprefix $(obj),$(COBJS))
|
|
|
|
+all: $(obj).depend $(LIB) $(BOOTSTRAP_LIB-y)
|
|
+
|
|
$(LIB): $(obj).depend $(OBJS)
|
|
$(AR) $(ARFLAGS) $@ $(OBJS)
|
|
|
|
+$(BOOTSTRAP_LIB): $(obj).depend $(BOOTSTRAP_OBJS)
|
|
+ $(AR) $(ARFLAGS) $@ $(BOOTSTRAP_OBJS)
|
|
+
|
|
+
|
|
#########################################################################
|
|
|
|
# defines $(obj).depend target
|
|
--- /dev/null
|
|
+++ b/lib_generic/bootstrap.c
|
|
@@ -0,0 +1,95 @@
|
|
+/*
|
|
+ * (C) Copyright 2010 Industrie Dial Face S.p.A.
|
|
+ * Luigi 'Comio' Mantellini, luigi.mantellini@idf-hit.com
|
|
+ *
|
|
+ * (C) Copyright 2003
|
|
+ * Wolfgang Denk, DENX Software Engineering, wd@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 <common.h>
|
|
+#include <command.h>
|
|
+#include <stdio_dev.h>
|
|
+
|
|
+#ifdef CONFIG_BOOTSTRAP_LZMA
|
|
+#include <lzma/LzmaTypes.h>
|
|
+#include <lzma/LzmaDec.h>
|
|
+#include <lzma/LzmaTools.h>
|
|
+#endif /* CONFIG_BOOTSTRAP_LZMA */
|
|
+
|
|
+#ifdef CONFIG_BOOTSTRAP_LZO
|
|
+#include <linux/lzo.h>
|
|
+#endif /* CONFIG_BOOTSTRAP_LZO */
|
|
+
|
|
+#ifdef CONFIG_BOOTSTRAP_BZIP2
|
|
+#include <bzlib.h>
|
|
+#endif
|
|
+
|
|
+DECLARE_GLOBAL_DATA_PTR;
|
|
+
|
|
+#if defined(CONFIG_BOOTSTRAP_SERIAL)
|
|
+static const char *algo =
|
|
+#if defined(CONFIG_BOOTSTRAP_GZIP)
|
|
+ "gzip";
|
|
+#elif defined(CONFIG_BOOTSTRAP_LZMA)
|
|
+ "lzma";
|
|
+#elif defined(CONFIG_BOOTSTRAP_LZO)
|
|
+ "lzo";
|
|
+#elif defined(CONFIG_BOOTSTRAP_BZIP2)
|
|
+ "bzip2";
|
|
+#else
|
|
+ "flat";
|
|
+#endif
|
|
+#endif
|
|
+
|
|
+int copy_uboot(void *dst, size_t unc_size, void *src, size_t size)
|
|
+{
|
|
+ int ret;
|
|
+ debug("copy from %p (%d) to %p (%d)\n", src, size, dst, unc_size);
|
|
+#if defined(CONFIG_BOOTSTRAP_SERIAL)
|
|
+ printf("Uncompressing payload (%s)...", algo);
|
|
+#endif
|
|
+#if defined(CONFIG_BOOTSTRAP_GZIP)
|
|
+ ret = gunzip(dst, unc_size, src, &size);
|
|
+#elif defined(CONFIG_BOOTSTRAP_LZMA)
|
|
+ SizeT outsize = unc_size;
|
|
+ ret = lzmaBuffToBuffDecompress(dst, &outsize, src, size);
|
|
+#elif defined(CONFIG_BOOTSTRAP_LZO)
|
|
+ uint unc_len = unc_size;
|
|
+ ret = lzop_decompress(src, size, dst, &unc_len);
|
|
+#elif defined(CONFIG_BOOTSTRAP_BZIP2)
|
|
+ uint unc_len = unc_size;
|
|
+ ret = BZ2_bzBuffToBuffDecompress ((char*)dst, &unc_len, (char *)src, size, CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
|
|
+#else
|
|
+ memcpy(dst, src, size);
|
|
+ ret = 0;
|
|
+#endif
|
|
+ if (ret) {
|
|
+#if defined(CONFIG_BOOTSTRAP_SERIAL)
|
|
+ printf("failed with error %d.\n", ret);
|
|
+#endif
|
|
+ bootstrap_hang();
|
|
+ } else {
|
|
+#if defined(CONFIG_BOOTSTRAP_SERIAL)
|
|
+ puts("done.\n");
|
|
+#endif
|
|
+ }
|
|
+ return ret;
|
|
+}
|
|
--- a/lib_generic/lzma/Makefile
|
|
+++ b/lib_generic/lzma/Makefile
|
|
@@ -32,7 +32,9 @@
|
|
|
|
CFLAGS += -D_LZMA_PROB32
|
|
|
|
-COBJS-$(CONFIG_LZMA) += LzmaDec.o LzmaTools.o
|
|
+COBJS-$(CONFIG_LZMA)$(CONFIG_BOOTSTRAP_LZMA) += LzmaDec.o LzmaTools.o
|
|
+
|
|
+COBJS-y += $(COBJS-yy)
|
|
|
|
COBJS = $(COBJS-y)
|
|
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
|
--- a/lib_generic/lzo/Makefile
|
|
+++ b/lib_generic/lzo/Makefile
|
|
@@ -27,7 +27,9 @@
|
|
|
|
SOBJS =
|
|
|
|
-COBJS-$(CONFIG_LZO) += lzo1x_decompress.o
|
|
+COBJS-$(CONFIG_LZO)$(CONFIG_BOOTSTRAP_LZO) += lzo1x_decompress.o
|
|
+
|
|
+COBJS-y += $(OBJS-yy)
|
|
|
|
COBJS = $(COBJS-y)
|
|
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
|
|
--- a/cpu/mips/Makefile
|
|
+++ b/cpu/mips/Makefile
|
|
@@ -24,25 +24,46 @@
|
|
include $(TOPDIR)/config.mk
|
|
|
|
LIB = $(obj)lib$(CPU).a
|
|
+BOOTSTRAP_LIB = $(obj)lib$(CPU)_bootstrap.a
|
|
+
|
|
+BOOTSTRAP_LIB-$(CONFIG_BOOTSTRAP) = $(BOOTSTRAP_LIB)
|
|
|
|
START = start.o
|
|
SOBJS-y = cache.o
|
|
-COBJS-y = cpu.o interrupts.o
|
|
+COBJS-y = cpu.o reset.o interrupts.o
|
|
|
|
SOBJS-$(CONFIG_INCA_IP) += incaip_wdt.o
|
|
COBJS-$(CONFIG_INCA_IP) += asc_serial.o incaip_clock.o
|
|
+#COBJS-$(CONFIG_IFX_ASC) += ifx_asc.o
|
|
COBJS-$(CONFIG_PURPLE) += asc_serial.o
|
|
COBJS-$(CONFIG_SOC_AU1X00) += au1x00_eth.o au1x00_serial.o au1x00_usb_ohci.o
|
|
|
|
-SRCS := $(START:.o=.S) $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
|
|
+#BOOTSTRAP_START = start_bootstrap.o
|
|
+BOOTSTRAP_START-$(CONFIG_BOOTSTRAP) += start_bootstrap.o #$(BOOTSTRAP_START)
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP) += cpu.o interrupts.o reset_bootstrap.o
|
|
+BOOTSTRAP_SOBJS-$(CONFIG_BOOTSTRAP) += cache.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_DANUBE) += danube-clock.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_AR9) += ar9-clock.o
|
|
+BOOTSTRAP_COBJS-$(CONFIG_BOOTSTRAP_SERIAL) += ifx_asc.o
|
|
+
|
|
+BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_SOBJS-y) $(BOOTSTRAP_COBJS-y))
|
|
+BOOTSTRAP_START := $(addprefix $(obj),$(BOOTSTRAP_START-y))
|
|
+
|
|
+SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) $(BOOTSTRAP_START-y:.o=.S) $(BOOTSTRAP_SOBJS-y:.o=.S) $(BOOTSTRAP_COBJS-y:.o=.c)
|
|
OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
|
|
START := $(addprefix $(obj),$(START))
|
|
|
|
-all: $(obj).depend $(START) $(LIB)
|
|
+all: $(obj).depend $(START) $(LIB) $(BOOTSTRAP_START-y) $(BOOTSTRAP_LIB-y)
|
|
|
|
-$(LIB): $(OBJS)
|
|
+$(LIB): $(OBJS)
|
|
$(AR) $(ARFLAGS) $@ $(OBJS)
|
|
|
|
+#$(BOOTSTRAP_START): $(obj).depend
|
|
+
|
|
+$(BOOTSTRAP_LIB): $(BOOTSTRAP_OBJS)
|
|
+ $(AR) $(ARFLAGS) $@ $(BOOTSTRAP_OBJS)
|
|
+
|
|
+
|
|
#########################################################################
|
|
|
|
# defines $(obj).depend target
|