| Commit message (Collapse) | Author | Age | Lines |
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Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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The number of CPUs are getting detected dynamically by checking the
processor SVR value. Also removed CONFIG_NUM_CPUS references from all
the platforms with 85xx/86xx processors.
This can help to use the same u-boot image across the platforms.
Also revamped and corrected few Freescale Copyright messages.
Signed-off-by: Poonam Aggrwal <poonam.aggrwal@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Heiko Schocher <hs@denx.de>
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This reverts commit 982adfc610669482a32127282fe489857a92cfe3.
This patch causes problems on MPC83xx boards - flash recognition stops
working.
Signed-off-by: Wolfgang Denk <wd@denx.de>
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Previously, non-e500 architectures only unlocked their data cache which
was used as early RAM when booting to Linux using the "bootm" command.
This change causes all PPC boards with CONFIG_SYS_INIT_RAM_LOCK defined
to unlock their data cache during U-Boot's initialization. This
improves U-Boot performance and provides a common cache state when
booting to different OSes.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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Some systems have zlib.h installed in /usr/include/. This isn't the
desired file for u-boot code - we want the one in include/zlib.h.
This rename will avoid the conflict.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Add support for 'bdt', 'cmdline', 'prep' to the linux PPC bootm.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Add the ability to break the steps of the bootm command into several
subcommands: start, loados, ramdisk, fdt, bdt, cmdline, prep, go.
This allows us to do things like manipulate device trees before
they are passed to a booting kernel or setup memory for a secondary
core in multicore situations.
Not all OS types support all subcommands (currently only start, loados,
ramdisk, fdt, and go are supported).
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Each architecture has different ways of determine what regions of memory
might not be valid to get overwritten when we boot. This provides a
hook to allow them to reserve any regions they care about. Currently
only ppc, m68k and sparc need/use this.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Set force parameter in fdt_chosen() call in do_bootm_linux() call.
Without this, the chosen node is not overwritten if it already
exists.
Signed-off-by: Stefan Roese <sr@denx.de>
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Commit 2a1a2cb6 didnt remove the dummy mem reservation in fdt_chosen,
and this stopped Linux from booting with a Ramdisk. This patch fixes
this, by deleting the useless dummy mem reservation.
When booting with a Ramdisk, a fix offset FDT_RAMDISK_OVERHEAD is now
added to of_size, so we dont need anymore a dummy mem reservation.
I measured the value of FDT_RAMDISK_OVERHEAD on a MPC8270 based
system (=0x44 bytes) and rounded it up to 0x80).
Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
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There is no need for each OS specific function to call do_reset() we
can just do it once in bootm. This means its feasible on an error for
the OS boot function to return.
Also, remove passing in cmd_tbl_t as its not needed by the OS boot
functions. flag isn't currently used but might be in the future so
we left it alone.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Created a new fdt_initrd() to deal with setting the initrd properties
in the device tree and fixing up the mem reserve. We can use this
both in the choosen node handling and lets us remove some duplicated
code when we fixup the initrd info in bootm on PPC.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Move the fdt resizing code out of ppc specific boot code and into
common fdt support code.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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To allow for persistent state between future bootm subcommands we
need the lmb to exist in a global state.
Moving it into the bootm_headers_t allows us to do that.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Move the code that handles finding a device tree blob and relocating
it (if needed) into common code so all arch's have access to it.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Move determing if we have a ramdisk and where its located into the
common code. Keep track of the ramdisk start and end in the
bootm_headers_t image struct.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Move entry point code out of each arch and into common code.
Keep the entry point in the bootm_headers_t images struct.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The ePAPR spec has some subtle differences from the current device
tree based boot interface to the powerpc linux kernel. The powerpc
linux kernel currently ignores the differences that ePAPR specifies.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The autostart revert caused a bit of duplicated code as well as
code that was using images->autostart that needs to get removed so
we can build again.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The LMB code now uses phys_addr_t and phys_size_t. Also, there were a couple
of casting problems in the bootm code that called the LMB functions.
Signed-off-by: Andy Fleming <afleming@freescale.com>
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gcc-4.3.x generates the following:
bootm.c: In function 'do_bootm_linux':
bootm.c:208: warning: cast from pointer to integer of different size
bootm.c:215: warning: cast from pointer to integer of different size
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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The compiler will help find mismatches between printf formats and
arguments if you let it. This patch adds the necessary attributes to
declarations in include/common.h, then begins to correct the resulting
compiler warnings. Some of these were bugs, e.g., "$d" instead of
"%d" and incorrect arguments. Others were just annoying, like
int-long mismatches on a system where both are 32 bits. It's worth
fixing the annoying errors to catch the real ones.
Signed-off-by: Andrew Klossner <andrew@cesa.opbu.xerox.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Current code requires that a compiled device tree have space added to the end to
leave room for extra nodes added by board code (and the chosen node). This
requires that device tree creators anticipate how much space U-Boot will add to
the tree, which is absurd. Ideally, the code would resize and/or relocate the
tree when it needed more space, but this would require a systemic change to the
fdt code, which is non-trivial. Instead, we resize the tree inside
boot_relocate_fdt, reserving either the remainder of the bootmap (in the case
where the fdt is inside the bootmap), or adding CFG_FDT_PAD bytes to the size.
Signed-off-by: Andy Fleming <afleming@freescale.com>
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This updates the lmb code to use phys_size_t
and phys_addr_t instead of unsigned long. Other code
which interacts with this code, like getenv_bootm_size()
is also updated.
Booted on MPC8641HPCN, build-tested ppc, arm, mips.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
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differentiate with local variables of the same name by renaming the
global 'fdt' variable 'working_fdt'.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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This patch enables legacy multi-type images containing only a Linux kernel
and root file system to be loaded, maintaining compatibility with previous
versions of u-boot.
This is required when using old image files such as a Linux 2.4 kernel /
filesystem.
Signed-off-by: Nick Spence <nick.spence@freescale.com>
Acked-by: Bartlomiej Sieka <tur@semihalf.com>
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Before new uImage code was merged, bootm code allowed for the kernel image to
get overwritten during decompresion. new uImage introduced a check for image
overwrites and refused to boot the image that got overwritten. This patch
restores the old behavior. It also adds a warning when the image overwriten is
a multi-image file, because in such case accessing componentes other than the
first one will fail.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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Set fdt_blob variable before its value is printed out.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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finish off what commit 43ddd9c820fec44816188f53346b464e20b3142d,
"Remove deprecated CONFIG_OF_HAS_UBOOT_ENV and CONFIG_OF_HAS_BD_T"
started.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
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Signed-off-by: Wolfgang Denk <wd@denx.de>
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Signed-off-by: Bartlomiej Sieka <tur@semihalf.com>
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Save FIT configuration provied in the first bootm argument and use it
when to get ramdisk/FDT subimages when second and third (ramdisk/FDT)
arguments are not specified.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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routines
This patch updates architecture specific implementations of
do_bootm_linux() adding new uImage format handling for
operations like get kernel entry point address, get kernel
image data start address.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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This patch adds new node offset fields to struct bootm_headers
and updates bootm_headers processing code to make use of them.
Saved node offsets allow to avoid repeating fit_image_get_node() calls.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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Support for new (FIT) format uImages is added to powerpc specific
boot_get_fdt() routine which now recognizes, sanity checks FIT image
and is able to access data sections of the requested component image.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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boot_get_ramdisk() and image_get_ramdisk() do not need all
cmdtp, flag, argc and argv arguments. Simplify routines definition.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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Do not use global fdt blob pointer, calculate blob size from routine
argument blob pointer.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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This patch introduces the following prefix convention for the
image format handling and bootm related code:
genimg_ - dual format shared code
image_ - legacy uImage format specific code
fit_ - new uImage format specific code
boot_ - booting process related code
Related routines are renamed and a few pieces of code are moved around and
re-grouped.
Signed-off-by: Marian Balakowicz <m8@semihalf.com>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>
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Allow the user to set 'bootm_low' and 'bootm_size' env vars as a way
to restrict what memory range is used for bootm.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>
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Convert generic ramdisk_high(), get_boot_cmdline(), get_boot_kbd()
functions over to using lmb for allocation of the ramdisk, command line
and kernel bd info.
Convert PPC specific fdt_relocate() to use lmb for allocation of the device
tree.
Provided a weak function that board code can call to do additional
lmb reserves if needed.
Also introduce the concept of bootmap_base to specify the offset in
physical memory that the bootmap is located at. This is used for
allocations of the cmdline, kernel bd, and device tree as they should
be contained within bootmap_base and bootmap_base + CFG_BOOTMAPSZ.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Changed image_get_ramdisk() to just return NULL on error and have
get_ramdisk() propogate that error to the caller. It's left to the
caller to call do_reset() if it wants to.
Also moved calling do_reset() in get_fdt() and fdt_relocate() on ppc
to a common location. In the future we will change get_fdt() and
fdt_relocate() to return success/failure and not call do_reset() at all.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>
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Doing the fdt before the ramdisk allows us to grow the fdt w/o concern
however it does mean we have to go in and fixup the initrd info since
we don't know where it will be.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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If we are bootin OF style than we can skip setting up some things
that are used for the old boot method.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>
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We don't actually need the kdb param as we are just using it to get
bd->bi_memsize which we can get from gd->bd->bi_memsize. Also, if we
boot via OF we might not actually fill out a kdb.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>
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