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* Merge branch 'master' of git://git.denx.de/u-boot-i2cTom Rini2013-07-24-3/+7
|\ | | | | | | | | | | | | | | | | | | | | The sandburst-specific i2c drivers have been deleted, conflict was just over the SPDX conversion. Conflicts: board/sandburst/common/ppc440gx_i2c.c board/sandburst/common/ppc440gx_i2c.h Signed-off-by: Tom Rini <trini@ti.com>
| * i2c, soft-i2c: switch to new multibus/multiadapter supportHeiko Schocher2013-07-23-3/+2
| | | | | | | | | | | | | | | | | | - added to soft_i2c driver new multibus/multiadpater support - adapted all config files, which uses this driver Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@wwwdotorg.org>
| * i2c: common changes for multibus/multiadapter supportHeiko Schocher2013-07-23-1/+6
| | | | | | | | | | | | Signed-off-by: Heiko Schocher <hs@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org> Cc: Henrik Nordström <henrik@henriknordstrom.net>
* | Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-310/+21
|/ | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* Build arch/$ARCH/lib/bootm.o depending on CONFIG_CMD_BOOTMDirk Eibach2013-07-16-1/+1
| | | | | | | | MAKEALL is fine for ppc4xx and mpc85xx. Run checks were done on our controlcenterd hardware. Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc> Signed-off-by: Andy Fleming <afleming@freescale.com>
* Merge branch 'master' of git://git.denx.de/u-boot-armTom Rini2013-07-12-0/+9
|\ | | | | | | | | | | | | | | | | | | Fix a trivial conflict in arch/arm/dts/exynos5250.dtsi about gpio and serial. Conflicts: arch/arm/dts/exynos5250.dtsi Signed-off-by: Tom Rini <trini@ti.com>
| * pxa: fix memory coherency problem after relocationMike Dunn2013-06-22-0/+9
| | | | | | | | | | | | | | | | On the xscale, the icache must be invalidated and the write buffers drained after writing code over the data bus, even if the caches are disabled. Tested on the pxa270. Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
* | bootm: Clean up bootz_setup() functionSimon Glass2013-07-10-6/+8
| | | | | | | | | | | | | | | | | | This function has no prototype in the headers and passes void * around, thus requiring several casts. Tidy this up. - Add new patch to clean up bootz_setup() function Signed-off-by: Simon Glass <sjg@chromium.org>
* | arm: Implement the 'fake' go commandSimon Glass2013-06-26-9/+18
|/ | | | | | | | | | Implement this feature on ARM for tracing. It would be nice to have generic bootm support so that it is easily implemented on any arch. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* arm: optimize relocate_code routineAlbert ARIBAUD2013-06-21-20/+12
| | | | | | | | | | | | Use section symbols directly Drop support for R_ARM_ABS32 record types Eliminate unneeded intermediate registers Optimize relocation table iteration Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Tested-by: Lubomir Popov <lpopov@mm-sol.com> Tested-by: Jeroen Hofstee <jeroen@myspectrum.nl> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* arm: make __rel_dyn_{start, end} compiler-generatedAlbert ARIBAUD2013-06-21-9/+4
| | | | | | | | | | | | | | | This change is only done where needed: some linker scripts may contain relocation symbols yet remain unchanged. __rel_dyn_start and __rel_dyn_end each requires its own output section; putting them in relocation sections changes their flags and breaks relocation. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Tested-by: Lubomir Popov <lpopov@mm-sol.com> Tested-by: Jeroen Hofstee <jeroen@myspectrum.nl> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* arm: make __image_copy_{start, end} compiler-generatedAlbert ARIBAUD2013-06-21-5/+4
| | | | | | | | | | | | | | | This change is only done where needed: some linker scripts may contain __image_copy_{start,end} yet remain unchanged. Also, __image_copy_end needs its own section; putting it in relocation sections changes their flags and makes relocation break. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Tested-by: Lubomir Popov <lpopov@mm-sol.com> Tested-by: Jeroen Hofstee <jeroen@myspectrum.nl> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* arm: generalize lib/bss.c into lib/sections.cAlbert ARIBAUD2013-06-21-3/+3
| | | | | | | | | | | | | | File arch/arm/lib/bss.c was initially defined for BSS only, but is now going to also contain definitions for other section-boundary-related symbols, so rename it for better accuracy. Also, remove useless 'used' attributes. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Tested-by: Lubomir Popov <lpopov@mm-sol.com> Tested-by: Jeroen Hofstee <jeroen@myspectrum.nl> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* remove all references to .dynsymAlbert ARIBAUD2013-06-21-13/+0
| | | | | | | | | | | | | | | | Discard all .dynsym sections from linker scripts Remove all __dynsym_start definitions from linker scripts Remove all __dynsym_start references from the codebase Note: this touches include/asm-generic/sections.h, which is not ARM-specific, but actual uses of __dynsym_start are only in ARM, so this patch can safely go through the ARM repository. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Tested-by: Lubomir Popov <lpopov@mm-sol.com> Tested-by: Jeroen Hofstee <jeroen@myspectrum.nl> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* cosmetic: arm: fix comments in arch/arm/lib/crt0.SMasahiro Yamada2013-06-10-2/+2
| | | | Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* arm: Remove OMAP2420H4 and all omap24xx supportTom Rini2013-06-10-1/+1
| | | | | | | | | The omap2420H4 was the only mainline omap24xx board. Prior to being fixed by Jon Hunter in time for v2013.04 it had been functionally broken for a very long time. Remove this board as there's not been interest in it in U-Boot for quite a long time. Signed-off-by: Tom Rini <trini@ti.com>
* arm: factorize relocate_code routineAlbert ARIBAUD2013-05-30-0/+113
| | | | | | | | | | | Replace all relocate_code routines from ARM start.S files with a single instance in file arch/arm/lib/relocate.S. For PXA, this requires moving the dcache unlocking code from within relocate_code into c_runtime_cpu_setup. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Tested-by: Simon Glass <sjg@chromium.org>
* arm: Use image_setup_linux() instead of local codeSimon Glass2013-05-14-56/+54
| | | | | | | | Use the common FDT setup function that is now available in image. Move the FDT-specific code to a new bootm-fdt.c and remove unused headers from bootm.c. Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Refactor bootm to reduce #ifdefsSimon Glass2013-05-14-64/+20
| | | | | | | | With fewer #ifdefs the code is more readable and more of the code is compiled for all boards. Add defines in the header file to control what features are enabled, and then use if() instead of #ifdef. Signed-off-by: Simon Glass <sjg@chromium.org>
* lib: consolidate hang()Andreas Bießmann2013-05-01-6/+0
| | | | | | | | | Delete all occurrences of hang() and provide a generic function. Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com> Acked-by: Albert ARIBAUD <albert.u.boot@aribaud.net> [trini: Modify check around puts() in hang.c slightly] Signed-off-by: Tom Rini <trini@ti.com>
* arm: Remove deprecated and now unused NAND SPLBenoît Thébaudeau2013-04-12-14/+2
| | | | Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* arm: Remove unused relocate_code() parametersBenoît Thébaudeau2013-04-12-5/+3
| | | | | | | | Commit e05e5de7fae5bec79617e113916dac6631251156 made the 2 1st parameters of ARM's relocate_code() useless since it moved the code handling them to crt0.S. So, drop these parameters. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* arm: crt0.S: Remove bogus .globlBenoît Thébaudeau2013-04-12-24/+4
| | | | | | | | | | The purpose of .globl is to export symbols for ld, not to declare external symbols. By the way, use the ENTRY() and ENDPROC() macros to define functions rather than using .global directly. Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
* ARM: mmu: Set domain permissions to client accessR Sricharan2013-03-28-0/+7
| | | | | | | | | | | | | | | | | The 'XN' execute never bit is set in the pagetables. This will prevent speculative prefetches to non executable regions. But the domain permissions are set as master in the DACR register. So the pagetable attribute for 'XN' is not effective. Change the permissions to client. This fixes lot of speculative prefetch aborts seen on OMAP5 secure devices. Signed-off-by: R Sricharan <r.sricharan@ti.com> Tested-by: Vincent Stehle <v-stehle@ti.com> Cc: Vincent Stehle <v-stehle@ti.com> Cc: Tom Rini <trini@ti.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
* ARM: mmu: Introduce weak dram_bank_setup functionR Sricharan2013-03-28-1/+3
| | | | | | | | | | | | | | Introduce a weak version of dram_bank_setup function to allow a platform specific function. This is used in the subsequent patch to setup dram region without 'XN' attribute in order to enable the region under client permissions. Signed-off-by: R Sricharan <r.sricharan@ti.com> Cc: Vincent Stehle <v-stehle@ti.com> Cc: Tom Rini <trini@ti.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
* Merge branch 'master' of git://git.denx.de/u-boot-armTom Rini2013-03-18-0/+40
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Albert's rework of the linker scripts conflicted with Simon's making everyone use __bss_end. We also had a minor conflict over README.scrapyard being added to in mainline and enhanced in u-boot-arm/master with proper formatting. Conflicts: arch/arm/cpu/ixp/u-boot.lds arch/arm/cpu/u-boot.lds arch/arm/lib/Makefile board/actux1/u-boot.lds board/actux2/u-boot.lds board/actux3/u-boot.lds board/dvlhost/u-boot.lds board/freescale/mx31ads/u-boot.lds doc/README.scrapyard include/configs/tegra-common.h Build tested for all of ARM and run-time tested on am335x_evm. Signed-off-by: Tom Rini <trini@ti.com>
| * arm: make __bss_start and __bss_end__ compiler-generatedAlbert ARIBAUD2013-03-12-0/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | Turn __bss_start and __bss_end__ from linker-generated to compiler-generated symbols, causing relocations for these symbols to change type, from R_ARM_ABS32 to R_ARM_RELATIVE. This should have no functional impact, as it affects references to __bss_start and __bss_end__ only before relocation, and no such references are done. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* | arm: Enable generic board supportSimon Glass2013-03-15-0/+3
| | | | | | | | | | | | | | This enables generic board support so that ARM boards can define CONFIG_SYS_GENERIC_BOARD. Signed-off-by: Simon Glass <sjg@chromium.org>
* | arm: Use sections header to obtain link symbolsSimon Glass2013-03-15-0/+1
| | | | | | | | | | | | | | Include this header to get access to link symbols, which are otherwise removed. Signed-off-by: Simon Glass <sjg@chromium.org>
* | Replace __bss_end__ with __bss_endSimon Glass2013-03-15-3/+3
|/ | | | | | | | | | | | | Note this is a tree-wide change affecting multiple architectures. At present we use __bss_start, but mostly __bss_end__. This seems inconsistent and in a number of places __bss_end is used instead. Change to use __bss_end for the BSS end symbol throughout U-Boot. This makes it possible to use the asm-generic/sections.h file on all archs. Signed-off-by: Simon Glass <sjg@chromium.org>
* treewide: include libfdt_env.h before fdt.hKim Phillips2013-02-07-1/+0
| | | | | | | | | | | and, if including libfdt.h which includes libfdt_env.h in the correct order, don't include fdt.h before libfdt.h. this is needed to get the fdt type definitions set from the project environment before fdt.h uses them. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Cc: Jerry Van Baren <gvb.uboot@gmail.com>
* arm: Move tlb_addr and tlb_size to arch_global_dataSimon Glass2013-02-01-7/+7
| | | | | | | | Move these fields into arch_global_data and tidy up. Signed-off-by: Simon Glass <sjg@chromium.org> [trini: Address tlb_size in this patch as well] Signed-off-by: Tom Rini <trini@ti.com>
* arm: fix CONFIG_DELAY_ENVIRONMENT to act like it claims in the READMELucas Stach2013-01-30-1/+1
| | | | | | | | | No one expects to end up in a delayed environment if CONFIG_DELAY_ENVIRONMENT isn't defined. Signed-off-by: Lucas Stach <dev@lynxeye.de> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Allen Martin <amartin@nvidia.com>
* arm: Tabify code for MMC initializationTaylor Hutt2013-01-10-2/+2
| | | | | | | | The two modified lines were indented with spaces. They are now indented with tabs. Signed-off-by: Taylor Hutt <thutt@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Move bootstage record for board_init_f() to after arch_cpu_init()Simon Glass2013-01-10-2/+9
| | | | | | | | | | | | | | | | | | | | | | | The timer may be inited in arch_cpu_init() so it is not safe to make a bootstage mark before this is called. Arrange the code to fix this. Note: The question was raised as to why we don't keep all archs in sync. PowerPC doesn't have specific bootstage markers at present (although it does use boot progress). I hope that the generic board series will solve this problem in general, but in the meantime this is a real problem, and only in ARM. We now get a correct time for board_init_f: Timer summary in microseconds: Mark Elapsed Stage 0 0 reset 100,000 100,000 spl_start 848,530 748,530 board_init_f 907,301 58,771 board_init_r 910,478 3,177 board_init Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Make interrupts.o and reset.o in libarm also appear in SPLTom Wai-Hong Tam2013-01-10-2/+3
| | | | | | | | SPL u-boot may call do_reset() which depends on interrupts.o and reset.o. So make them also appear in SPL. Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Add CONFIG_DISPLAY_BOARDINFO_LATE to display board info on LCDSimon Glass2013-01-10-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This option displays board info after stdio is running, so that it will appear on the LCD. If it is displayed earlier, the board info will appear on the serial console but not on the LCD. Here follows a blow-by-blow description. 1a. Without CONFIG_DISPLAY_BOARDINFO_LATE, on serial: U-Boot 2011.12-02550-g037e1c5-dirty (Nov 15 2012 - 14:29:42) for SMDK5250 CPU: S5PC520 @ 1700MHz Board: Google Snow, rev 0 I2C: ready DRAM: 2 GiB Elpida DDR3 @ 800MHz MMC: S5P MSHC0: 0, S5P MSHC1: 1 SF: Detected W25Q32 with page size 4 KiB, total 4 MiB *** Warning - bad CRC, using default environment In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 1b. Without CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info is missing): In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 2a. With CONFIG_DISPLAY_BOARDINFO_LATE, on serial: U-Boot 2011.12-02550-g037e1c5 (Nov 15 2012 - 14:27:40) for SMDK5250 CPU: S5PC520 @ 1700MHz I2C: ready DRAM: 2 GiB Elpida DDR3 @ 800MHz MMC: S5P MSHC0: 0, S5P MSHC1: 1 SF: Detected W25Q32 with page size 4 KiB, total 4 MiB *** Warning - bad CRC, using default environment Model: Google Snow In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # 2b. With CONFIG_DISPLAY_BOARDINFO_LATE, on LCD (note machine info is present): Model: Google Snow In: mkbp-keyb Out: lcd Err: lcd Net: No ethernet found. Hit any key to stop autoboot: 0 SMDK5250 # Since the LCD is all that a typical user sees, it is useful to display the model there. We may be able to rearrange things some other way one day, but at present this seems like a convenient way of getting the required behaviour. Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Add CONFIG_DELAY_ENVIRONMENT to delay environment loadingSimon Glass2013-01-10-2/+27
| | | | | | | | | | | | | | | | | | | | | | | | | This option delays loading of the environment until later, so that only the default environment will be available to U-Boot. This can address the security risk of untrusted data being used during boot. Any time you load untrusted data you expose yourself to a bug in the code. The attacker gets to choose the data so can sometimes carefully craft it to exploit a bug. We try to avoid touching user-controlled data during a verified boot unless strictly necessary. Since the default environment is good enough in this case (or you would just change it), this gets around the problem by just not loading the environment. When CONFIG_DELAY_ENVIRONMENT is defined, it is convenient to have a run-time way of enabling loading of the environment. Add this to the fdt as /config/delay-environment. Note: This patch depends on http://patchwork.ozlabs.org/patch/194342/ Signed-off-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Doug Anderson <dianders@chromium.org>
* arm: Move fdt check earlier so that board_early_init_f() can use itSimon Glass2013-01-10-4/+3
| | | | | | | | | | | | We want to use the fdt inside board_early_init_f(), so check for its presence earlier in the pre-reloc init sequence. So far ARM and microblaze are the only only ones that use CONFIG_OF_CONTROL. Microblaze does not have the same init loop, and in particular does not have the board_early_init_f() call. So a patch for microblaze would have no meaning. Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: Keep track of the tlb size as well as its locationGabe Black2013-01-10-2/+3
| | | | | | | | | It may be necessary to know where the TLB area ends as well as where it starts. This allows board code to complete a secure memory erase without destroying the page tables. Signed-off-by: Gabe Black <gabeblack@google.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: move flush_dcache_all() to just before disable cacheArun Mankuzhi2013-01-10-1/+4
| | | | | | | | | | | | | | | | | | | In Cortex-A15 architecture, when we run cache invalidate the cache clean operation executes automatically. So if there are any dirty cache lines before disabling the L2 cache these will be synchronized with the main memory when invalidate_dcache_all() runs in the last part of U-boot The two functions after flush_dcache_all is using the stack. So this data will be on the cache. After disable when invalidate is called the data will be flushed from cache to memory. This corrupts the stack in invalida_dcache_all. So this change is required to avoid the u-boot hang. So flush has to be done just before clearing CR_C bit Signed-off-by: Arun Mankuzhi <arun.m@samsung.com> Signed-off-by: Simon Glass <sjg@chromium.org>
* arm: move C runtime setup code in crt0.SAlbert ARIBAUD2013-01-08-11/+175
| | | | | | | | | | | | | | | | | | Move all the C runtime setup code from every start.S in arch/arm into arch/arm/lib/crt0.S. This covers the code sequence from setting up the initial stack to calling into board_init_r(). Also, rewrite the C runtime setup and make functions board_init_*() and relocate_code() behave according to normal C semantics (no jumping across the C stack any more, etc). Some SPL targets had to be touched because they use start.S explicitly or for some reason; the relevant maintainers and custodians are cc:ed. Signed-off-by: Albert ARIBAUD <albert.u.boot@aribaud.net>
* Merge remote-tracking branch 'u-boot/master' into u-boot-arm-mergedAllen Martin2012-12-19-3/+9
|\ | | | | | | | | | | | | | | | | | | | | | | Conflicts: README arch/arm/cpu/armv7/exynos/clock.c board/samsung/universal_c210/universal.c drivers/misc/Makefile drivers/power/power_fsl.c include/configs/mx35pdk.h include/configs/mx53loco.h include/configs/seaboard.h
| * env: Use getenv_yesno() more generallyJoe Hershberger2012-12-13-3/+1
| | | | | | | | | | | | | | Move the getenv_yesno() to env_common.c and change most checks for 'y' or 'n' to use this helper. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
| * pmic: Introduce power_init_board() method at ./lib/board.c fileŁukasz Majewski2012-11-14-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | It is necessary to introduce a new system wide function- power_init_board() It turns out, that power initialization must be done as early as possible. In the case of PMIC framework redesign, which aims to support multiple instances of PMIC devices the initialization shall be performed just after malloc configuration. The power_init_board function is a weak function with default implementation. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
* | arm: Add control over cachability of memory regionsSimon Glass2012-11-19-11/+40
|/ | | | | | | | | | | | | | Add support for adjusting the L1 cache behavior by updating the MMU configuration. The mmu_set_region_dcache_behaviour() function allows drivers to make these changes after the MMU is set up. It is implemented only for ARMv7 at present. This is needed for LCD support, where we want to make the LCD frame buffer write-through (or off) rather than write-back. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
* Merge remote-tracking branch 'u-boot-ti/master'Albert ARIBAUD2012-11-03-0/+4
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| * arm bootm: Allow to pass board specified atagsPali Rohár2012-10-30-0/+4
| | | | | | | | | | | | Board can implement function setup_board_tags which is used for adding atags Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
* | ARM : Remove unused CONFIG_DRIVER_SMC91111, CONFIG_DRIVER_LAN91C96Ashok2012-10-22-17/+0
|/ | | | | | | | Remove unused CONFIG_DRIVER_SMC91111,CONFIG_DRIVER_LAN91C96, if required implement smc_set_mac_addr() in board init. Signed-off-by: Ashok Kumar Reddy <ashokkourla2000@gmail.com> Acked-by: Tom Rini <trini@ti.com>
* arm: fdt: Relocate fdt along with other dataSimon Glass2012-10-19-0/+22
| | | | | | | | | | | Rather than leave the fdt down next to the code/data, we really should relocate it along with everything else. For CONFIG_OF_EMBED this happens automatically, but for CONFIG_OF_SEPARATE it does not. Add code to copy the fdt and point to the new copy after relocation. Signed-off-by: Simon Glass <sjg@chromium.org> Tested-by: Stephen Warren <swarren@nvidia.com>