--- /dev/null
+--- a/.gitignore
++++ b/.gitignore
+@@ -23,6 +23,11 @@
+ /u-boot.hex
+ /u-boot.map
+ /u-boot.bin
++/u-boot.bin.bz2
++/u-boot.bin.gz
++/u-boot.bin.lzma
++/u-boot.bin.lzo
++/u-boot.dis
+ /u-boot.srec
+ /u-boot.ldr
+ /u-boot.ldr.hex
+@@ -30,6 +35,20 @@
+ /u-boot.lds
+ /u-boot-onenand.bin
+ /u-boot-flexonenand.bin
++/u-boot-bootstrap
++/u-boot-bootstrap.hex
++/u-boot-bootstrap.map
++/u-boot-bootstrap.bin
++/u-boot-bootstrap.bin.bz2
++/u-boot-bootstrap.bin.gz
++/u-boot-bootstrap.bin.lzma
++/u-boot-bootstrap.bin.lzo
++/u-boot-bootstrap.dis
++/u-boot-bootstrap.srec
++/u-boot-bootstrap.ldr
++/u-boot-bootstrap.ldr.hex
++/u-boot-bootstrap.ldr.srec
++/u-boot-bootstrap.lds
+
+ #
+ # Generated files
+@@ -38,6 +57,7 @@
+ *.depend
+ /LOG
+ /errlog
++/.payload.s
+ /reloc_off
+
+ # stgit generated dirs
+@@ -63,3 +83,6 @@
+ /onenand_ipl/onenand-ipl*
+ /onenand_ipl/board/*/onenand*
+ /onenand_ipl/board/*/*.S
++examples/standalone/
++
++setvars
+--- a/Makefile
++++ b/Makefile
+@@ -183,6 +183,12 @@
+
+ OBJS := $(addprefix $(obj),$(OBJS))
+
++ifeq ($(CONFIG_BOOTSTRAP),y)
++BOOTSTRAP_OBJS = cpu/$(ARCH)/start_bootstrap.o
++
++BOOTSTRAP_OBJS := $(addprefix $(obj),$(BOOTSTRAP_OBJS))
++endif
++
+ LIBS = lib_generic/libgeneric.a
+ LIBS += lib_generic/lzma/liblzma.a
+ LIBS += lib_generic/lzo/liblzo.a
+@@ -254,6 +260,25 @@
+ LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).a
+ LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
+
++ifeq ($(CONFIG_BOOTSTRAP),y)
++BOOTSTRAP_LIBS = lib_generic/libgeneric_bootstrap.a
++BOOTSTRAP_LIBS += cpu/$(ARCH)/lib$(ARCH)_bootstrap.a
++BOOTSTRAP_LIBS += lib_$(ARCH)/lib$(ARCH)_bootstrap.a
++BOOTSTRAP_LIBS += common/libcommon_bootstrap.a
++BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_SERIAL) += drivers/serial/libserial.a
++
++BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_LZMA) += lib_generic/lzma/liblzma.a
++BOOTSTRAP_LIBS-$(CONFIG_BOOTSTRAP_LZO) += lib/lzo/liblzo.a
++BOOTSTRAP_LIBS += $(BOOTSTRAP_LIBS-y)
++
++BOOTSTRAP_LIBS := $(addprefix $(obj),$(BOOTSTRAP_LIBS))
++.PHONY : $(BOOTSTRAP_LIBS)
++
++BOOTSTRAP_LIBBOARD = board/$(BOARDDIR)/lib$(BOARD)_bootstrap.a
++BOOTSTRAP_LIBBOARD := $(addprefix $(obj),$(BOOTSTRAP_LIBBOARD))
++endif
++
++
+ # Add GCC lib
+ ifdef USE_PRIVATE_LIBGCC
+ ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
+@@ -267,6 +292,9 @@
+ PLATFORM_LIBS += $(PLATFORM_LIBGCC)
+ export PLATFORM_LIBS
+
++BOOTSTRAP_PLATFORM_LIBS += $(PLATFORM_LIBGCC)
++export BOOTSTRAP_PLATFORM_LIBS
++
+ # Special flags for CPP when processing the linker script.
+ # Pass the version down so we can handle backwards compatibility
+ # on the fly.
+@@ -289,12 +317,19 @@
+ __OBJS := $(subst $(obj),,$(OBJS))
+ __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
+
++__BOOTSTRAP_OBJS := $(subst $(obj),,$(BOOTSTRAP_OBJS))
++__BOOTSTRAP_LIBS := $(subst $(obj),,$(BOOTSTRAP_LIBS)) $(subst $(obj),,$(BOOTSTRAP_LIBBOARD))
++
+ #########################################################################
+ #########################################################################
+
+ # Always append ALL so that arch config.mk's can add custom ones
+ ALL += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map $(U_BOOT_NAND) $(U_BOOT_ONENAND)
+
++ifeq ($(CONFIG_BOOTSTRAP),y)
++ALL += $(obj)u-boot-bootstrap.srec $(obj)u-boot-bootstrap.bin
++endif
++
+ all: $(ALL)
+
+ $(obj)u-boot.hex: $(obj)u-boot
+@@ -306,6 +341,19 @@
+ $(obj)u-boot.bin: $(obj)u-boot
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
++$(obj)u-boot.bin.gz: $(obj)u-boot.bin
++ gzip -c $< > $@
++
++$(obj)u-boot.bin.lzma: $(obj)u-boot.bin
++ echo lzma -e -z -c $< $@
++ lzma e $< $@
++
++$(obj)u-boot.bin.lzo: $(obj)u-boot.bin
++ lzop -9 -c $< > $@
++
++$(obj)u-boot.bin.bz2: $(obj)u-boot.bin
++ bzip2 --best -z -c $< > $@
++
+ $(obj)u-boot.ldr: $(obj)u-boot
+ $(CREATE_LDR_ENV)
+ $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
+@@ -335,12 +383,12 @@
+ $(obj)tools/ubsha1 $(obj)u-boot.bin
+
+ $(obj)u-boot.dis: $(obj)u-boot
+- $(OBJDUMP) -d $< > $@
++ $(OBJDUMP) -S -d $< > $@
+
+ GEN_UBOOT = \
+ UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
+ sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
+- cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
++ cd $(LNDIR) && $(LD) --gc-sections $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
+ --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
+ -Map u-boot.map -o u-boot
+ $(obj)u-boot: depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
+@@ -362,6 +410,120 @@
+ $(LIBBOARD): depend $(LIBS)
+ $(MAKE) -C $(dir $(subst $(obj),,$@))
+
++# Bootstrap targets
++
++ifeq ($(CONFIG_BOOTSTRAP),y)
++$(obj)u-boot-bootstrap.hex: $(obj)u-boot-bootstrap
++ $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
++
++$(obj)u-boot-bootstrap.srec: $(obj)u-boot-bootstrap
++ $(OBJCOPY) -O srec $< $@
++
++$(obj)u-boot-bootstrap.bin: $(obj)u-boot-bootstrap
++ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
++ $(BOARD_SIZE_CHECK)
++
++$(obj)u-boot-bootstrap.bin.gz: $(obj)u-boot-bootstrap.bin
++ gzip -c $< > $@
++
++$(obj)u-boot-bootstrap.bin.lzma: $(obj)u-boot-bootstrap.bin
++ lzma -e -z -c $< > $@
++
++$(obj)u-boot.bin-bootstrap.lzo: $(obj)u-boot-bootstrap.bin
++ lzop -9 -c $< > $@
++
++$(obj)u-boot.bin-bootstrap.bz2: $(obj)u-boot-bootstrap.bin
++ bzip2 --best -z -c $< > $@
++
++$(obj)u-boot-bootstrap.ldr: $(obj)u-boot-bootstrap
++ $(CREATE_LDR_ENV)
++ $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
++ $(BOARD_SIZE_CHECK)
++
++$(obj)u-boot-bootstrap.ldr.hex: $(obj)u-boot-bootstrap.ldr
++ $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
++
++$(obj)u-boot-bootstrap.ldr.srec: $(obj)u-boot-bootstrap.ldr
++ $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
++
++$(obj)u-boot-bootstrap.img: $(obj)u-boot-bootstrap.bin
++ $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
++ -a $(CONFIG_BOOTSTRAP_BASE) -e 0 \
++ -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
++ sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
++ -d $< $@
++
++$(obj)u-boot-bootstrap.imx: $(obj)u-boot-bootstrap.bin
++ $(obj)tools/mkimage -n $(IMX_CONFIG) -T imximage \
++ -e $(CONFIG_BOOTSTRAP_BASE) -d $< $@
++
++$(obj)u-boot-bootstrap.kwb: $(obj)u-boot-bootstrap.bin
++ $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
++ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
++
++$(obj)u-boot-bootstrap.sha1: $(obj)u-boot-bootstrap.bin
++ $(obj)tools/ubsha1 $(obj)u-boot-bootstrap.bin
++
++$(obj)u-boot-bootstrap.dis: $(obj)u-boot-bootstrap
++ echo $(OBJDUMP) -S -d $< > $@
++ $(OBJDUMP) -S -d $< > $@
++
++PAYLOAD_FILE_BASE=$(obj)u-boot.bin
++ifeq ($(CONFIG_BOOTSTRAP_GZIP),y)
++PAYLOAD_FILE_EXT:=.gz
++endif
++ifeq ($(CONFIG_BOOTSTRAP_LZMA),y)
++PAYLOAD_FILE_EXT:=.lzma
++endif
++ifeq ($(CONFIG_BOOTSTRAP_LZO),y)
++PAYLOAD_FILE_EXT:=.lzo
++endif
++ifeq ($(CONFIG_BOOTSTRAP_BZIP2),y)
++PAYLOAD_FILE_EXT:=.bz2
++endif
++
++PAYLOAD_FILE := $(PAYLOAD_FILE_BASE)$(PAYLOAD_FILE_EXT)
++
++$(obj).payload.s: $(PAYLOAD_FILE)
++ echo ".globl payload_start" > $@
++ echo ".globl payload_end" >> $@
++ echo ".globl payload_size" >> $@
++ echo ".globl payload_uncsize" >> $@
++ echo .section .payload,\"a\",@progbits >> $@
++ echo "payload_size:" >> $@
++ echo -n ".word " >> $@
++ wc -c $(PAYLOAD_FILE) | cut -f1 -d' ' >> $@
++ echo "payload_uncsize:" >> $@
++ echo -n ".word " >> $@
++ wc -c $(obj)u-boot.bin | cut -f1 -d' ' >> $@
++ echo "payload_start:" >> $@
++ echo .incbin \"$(PAYLOAD_FILE)\" >> $@
++ echo "payload_end:" >> $@
++
++
++GEN_UBOOT_BOOTSTRAP = \
++ UNDEF_SYM=`$(OBJDUMP) -x $(BOOTSTRAP_LIBBOARD) $(BOOTSTRAP_LIBS) | \
++ sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
++ cd $(LNDIR) && $(LD) --gc-sections $(BOOTSTRAP_LDFLAGS) $$UNDEF_SYM $(obj).payload.o $(__BOOTSTRAP_OBJS) \
++ --start-group $(__BOOTSTRAP_LIBS) --end-group $(BOOTSTRAP_PLATFORM_LIBS) \
++ -Map u-boot-bootstrap.map -o u-boot-bootstrap
++
++$(obj)u-boot-bootstrap: depend $(SUBDIRS) $(BOOTSTRAP_OBJS) $(BOOTSTRAP_LIBS) $(BOOTSTRAP_LDSCRIPT) $(obj)u-boot-bootstrap.lds $(obj).payload.o #$(BOOTSTRAP_LIBBOARD)
++ #echo "--------$(BOOTSTRAP_LIBBOARD)"
++ #echo "$(GEN_UBOOT_BOOTSTRAP)"
++ $(GEN_UBOOT_BOOTSTRAP)
++ifeq ($(CONFIG_KALLSYMS),y)
++ smap=`$(call SYSTEM_MAP,u-boot-bootstrap) | \
++ awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
++ $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
++ -c common/system_map.c -o $(obj)common/system_map.o
++ $(GEN_UBOOT_BOOTSTRAP) $(obj)common/system_map.o
++endif
++
++$(BOOTSTRAP_LIBBOARD): depend $(BOOTSTRAP_LIBS)
++ $(MAKE) -C $(dir $(subst $(obj),,$@)) $(notdir $@)
++endif
++
+ $(SUBDIRS): depend
+ $(MAKE) -C $@ all
+
+@@ -371,6 +533,9 @@
+ $(obj)u-boot.lds: $(LDSCRIPT)
+ $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+
++$(obj)u-boot-bootstrap.lds: $(BOOTSTRAP_LDSCRIPT)
++ $(CPP) $(CPPFLAGS) $(BOOTSTRAP_LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
++
+ $(NAND_SPL): $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
+ $(MAKE) -C nand_spl/board/$(BOARDDIR) all
+
+@@ -3829,6 +3994,7 @@
+ $(obj)board/netstar/{eeprom,crcek,crcit,*.srec,*.bin} \
+ $(obj)board/trab/trab_fkt $(obj)board/voiceblue/eeprom \
+ $(obj)board/armltd/{integratorap,integratorcp}/u-boot.lds \
++ $(obj)u-boot-bootstrap.lds \
+ $(obj)lib_blackfin/u-boot.lds \
+ $(obj)u-boot.lds \
+ $(obj)cpu/blackfin/bootrom-asm-offsets.[chs]
+@@ -3853,6 +4019,12 @@
+ @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL)
+ @rm -f $(obj)u-boot.kwb
+ @rm -f $(obj)u-boot.imx
++ @rm -f $(obj)u-boot.bin{.gz,.lzma,.lzo,.bz2}
++ @rm -f $(obj)u-boot-bootstrap $(obj)u-boot-bootstrap.map $(obj)u-boot-bootstrap.hex
++ @rm -f $(obj)u-boot-bootstrap.kwb
++ @rm -f $(obj)u-boot-bootstrap.imx
++ @rm -f $(obj)u-boot-bootstrap.bin{.gz,.lzma,.lzo,.bz2}
++ @rm -f $(obj).payload.s
+ @rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
+ @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
++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
projects / openwrt.git / blobdiff