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consistency
Currently, a number of generic cache related functions have their common
prototype declared in include/cpu_func.h. Move the current set of
noncached functions there as well to match.
Signed-off-by: Tom Rini <[email protected]>
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Drop all duplicate newlines. No functional change.
Signed-off-by: Marek Vasut <[email protected]>
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As part of bringing the master branch back in to next, we need to allow
for all of these changes to exist here.
Reported-by: Jonas Karlman <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay
Ethernet"' I failed to notice that b4 noticed it was based on next and
so took that as the base commit and merged that part of next to master.
This reverts commit c8ffd1356d42223cbb8c86280a083cc3c93e6426, reversing
changes made to 2ee6f3a5f7550de3599faef9704e166e5dcace35.
Reported-by: Jonas Karlman <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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This follows the example of RISC-V where <asm/global_data.h> includes
<asm/u-boot.h> directly as "gd" includes a reference to bd_info already
and so the first must include the second anyhow. We then remove
<asm/u-boot.h> from all of the places which include references to "gd"
an so have <asm/global_data.h> already.
Signed-off-by: Tom Rini <[email protected]>
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In most cases, the architecture global data currently makes use of
assorted linux types, but does not include <linux/types.h> to provide
them. Add <linux/types.h> instead of relying on indirect inclusion.
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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Add defines for {read,write}{b,w,l,q}(), {read,write}s{b,w,l,q}() and
{in,out}s{b,w,l,q}() functions to make asm-generic/io.h aware of them.
Signed-off-by: Igor Prusov <[email protected]>
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Currently reads{b,w,l}() functions don't have const qualifier for their
address parameter. Since asm-generic/io.h in Linux has const for all
read functions, add it here as well to keep signatures in sync.
Signed-off-by: Igor Prusov <[email protected]>
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We can remove common.h from most cases of the code here, and only a few
places need an additional header instead.
Signed-off-by: Tom Rini <[email protected]>
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Mips essentially duplicates the content of asm-generic/unaligned.h, so use
that file directly instead.
Signed-off-by: Jens Wiklander <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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This converts 1 usage of this option to the non-SPL form, since there is
no SPL_MIPS_CM defined in Kconfig
Signed-off-by: Simon Glass <[email protected]>
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This patch adds support for noncached_alloc() which was only supported by
ARM platform.
Unlike the ARM platform, MMU is not used in u-boot for MIPS. Instead, KSEG
is provided to access uncached memory. So most code of this patch is copied
from cache.c of ARM platform, with only two differences:
1. MMU is untouched in noncached_set_region()
2. Address returned by noncached_alloc() is converted using KSEG1ADDR()
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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This patch add more definitions needed for MT7621 initialization.
MT7621 needs to initialize GIC/CPC and other related parts.
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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To be compatible with old u-boot used by lots of MT7621 devices, the u-boot
needs to boot-up MT7621's all cores, and all VPES of each core.
This patch adds asm/mipsmtregs.h from linux kernel which is need for
boot-up VPEs.
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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This converts the following to Kconfig:
CONFIG_SYS_BOOT_RAMDISK_HIGH
Signed-off-by: Tom Rini <[email protected]>
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Signed-off-by: Wolfgang Denk <[email protected]>
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We move the SYS_CACHE_SHIFT_N options from arch/arm/Kconfig to
arch/Kconfig, and introduce SYS_CACHE_SHIFT_4 to provide a size of 16.
Introduce select statements for other architectures based on current
usage. For MIPS, we take the existing arch-specific symbol and migrate
to the generic symbol. This lets us remove a little bit of otherwise
unused code.
Cc: Alexey Brodkin <[email protected]>
Cc: Anup Patel <[email protected]>
Cc: Atish Patra <[email protected]>
Cc: Bin Meng <[email protected]>
Cc: Leo <[email protected]>
Cc: Palmer Dabbelt <[email protected]>
Cc: Paul Walmsley <[email protected]>
Cc: Sean Anderson <[email protected]>
Cc: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Acked-by: Sean Anderson <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Reviewed-by: Rick Chen <[email protected]>
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https://source.denx.de/u-boot/custodians/u-boot-mips
- MIPS: octeon: fix minor bugs of initial merge
- MIPS: octeon: add support for QLM and PCI-E controller
- MIPS: octeon: add support for AHCI and SATA
- MIPS: octeon: add E1000 ethernet support
- MIPS: octeon: add Octeon III NIC23 board
- ata/scsi: add support for Big Endian platforms
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This will be used by the upcoming Serdes and driver code ported from
the original 2013 U-Boot code to mainline.
Signed-off-by: Stefan Roese <[email protected]>
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Migrate CONFIG_LMB in Kconfig.
Signed-off-by: Patrick Delaunay <[email protected]>
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Move this out of the common header and include it only where needed. In
a number of cases this requires adding "struct udevice;" to avoid adding
another large header or in other cases replacing / adding missing header
files that had been pulled in, very indirectly. Finally, we have a few
cases where we did not need to include <asm/global_data.h> at all, so
remove that include.
Signed-off-by: Simon Glass <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
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Sync asm/mipsregs.h with Linux 5.7. Also replace the custom
symbols EBASE_CPUNUM and EBASE_WG with the according symbols
from Linux.
Signed-off-by: Daniel Schwierzeck <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-by: Stefan Roese <[email protected]>
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Sync asm/addrspace.h with Linux 5.7
Signed-off-by: Daniel Schwierzeck <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-by: Stefan Roese <[email protected]>
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Sync asm/asm.h with Linux 5.7.
Signed-off-by: Daniel Schwierzeck <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-by: Stefan Roese <[email protected]>
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This macro only served as a wrapper for CKSEG1ADDR() with an
exception for CONFIG_TB0229. CONFIG_TB0229 doesn't exist, thus
use CKSEG1ADDR() directly.
This also prepares for an upcoming asm header sync with Linux.
Signed-off-by: Daniel Schwierzeck <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Tested-by: Stefan Roese <[email protected]>
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This patch enables the usage of CONFIG_MIPS_L2_CACHE without
CONFIG_MIPS_CM, which is what is needed for the newly added Octeon
platform.
Signed-off-by: Stefan Roese <[email protected]>
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This patch changes the R_MIPS_NONE define from 0 to a magic value. This
makes it possible to better detect any forbidden pre-relocation usage
of BSS variables, as they are often zero'ed and then relocation is
stopped too early.
Additionally the error message is improved to also print the faulting
address. This helps finding the root-cause for this breakage by
comparing this address with the values in System.map.
This patch helps a lot when working on pre-relocation code, like the
Octeon DDR init code, where such variables have hit me multiple times
now.
Signed-off-by: Stefan Roese <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
Cc: Aaron Williams <[email protected]>
Cc: Chandrakala Chavva <[email protected]>
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WG (bit 11) needs to be set on Octeon to enable writing bits 63:30 of
the exception base register.
Signed-off-by: Stefan Roese <[email protected]>
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Move this uncommon header out of the common header.
Signed-off-by: Simon Glass <[email protected]>
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Move this header out of the common header. Network support is used in
quite a few places but it still does not warrant blanket inclusion.
Note that this net.h header itself has quite a lot in it. It could be
split into the driver-mode support, functions, structures, checksumming,
etc.
Signed-off-by: Simon Glass <[email protected]>
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SoCs of mtmips can use different CPU frequencies depending on the HW/SW
configurations. For example mt7628 uses 580MHz clock if the input xtal
frequency is 40MHz, and 575MHz clock if the xtal is 25MHz. Upon cold boot
the CPU uses the xtal frequency directly.
So hardcoding the timer frequency (half of the CPU frequency) in
CONFIG_SYS_MIPS_TIMER_FREQ is not a good idea for this case.
This patch adds a mtmips-specific field timer_freq to arch_global_data.
This field will be used later in mtmips-specific get_tbclk() to provide
accurate timer frequency in different boot stage.
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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In U-Boot the exception vector base will be moved to top of memory, to be
used to display register dump when exception occurs.
But some old linux kernel does not honor the base set in CP0_EBASE. A
modified exception vector base will cause kernel crash.
This patch adds an option to enable reset exception vector base to its
previous value, or a user configured value before booting linux kernel.
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Weijie Gao <[email protected]>
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To avoid "asm/dma-mapping.h: No such file or directory" error,
we need something.
Signed-off-by: Masahiro Yamada <[email protected]>
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Add header with SPL boot mode and type definitions.
Cc: Daniel Schwierzeck <[email protected]>
Signed-off-by: Paul Burton <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
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This path add a new helper allowing to prefetch and lock instructions
into cache. This is useful very early in the boot when no RAM is
available yet.
Signed-off-by: Gregory CLEMENT <[email protected]>
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Export create_tlb() as an inline function in mipsregs.h. It allows to
remove the declaration of the function from the board files.
Then it will allow also to use this function very early in the boot when
the stack is not usable.
Signed-off-by: Gregory CLEMENT <[email protected]>
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With moving write_on_tlb() to arch/mips/include/asm/mipsregs.h
there are now compiler warnings when some generic code includes
asm/io.h. This happens for example when enabling OF live tree.
Signed-off-by: Daniel Schwierzeck <[email protected]>
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Commit 86f21c96f467368 (mips: Use common _AC macro now.) removed the _AC
definition from const.h. All other macros defined in const.h are not
used anywhere, and there is now no user of this header. Remove this
header.
Cc: Daniel Schwierzeck <[email protected]>
Signed-off-by: Baruch Siach <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
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Drop the _AC and UL macros from common.h. Linux headers is the original
source of this macro, so keep its definition in the same header.
Update existing users of these macros to include const.h directly.
Cc: Daniel Schwierzeck <[email protected]>
Cc: Rick Chen <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
Reviewed-by: Rick Chen <[email protected]>
Signed-off-by: Baruch Siach <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Stefan Roese <[email protected]>
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This patch enables and starts the watchdog on the MT7620 platform.
Currently the WD timeout is configured to 60 seconds.
Signed-off-by: Stefan Roese <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
[fixed build error due to missing function prototype arch_misc_init]
Signed-off-by: Daniel Schwierzeck <[email protected]>
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MIPS is the only architecture currently supported by U-Boot that does
not implement any of the in/out register access functions.
To have a interface that is useable across architectures, add the
functions to the MIPS architecture (implemented using the __raw_write
and __raw_read functions).
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Signed-off-by: Mario Six <[email protected]>
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Make use of asm-generic/atomic.h.
Signed-off-by: Chris Packham <[email protected]>
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This is needed for the UBIFS support. The file is a copy of
arch/xtensa/include/asm/atomic.h
Signed-off-by: Stefan Roese <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
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All architectures have the same definition for s8/16/32/64
and u8/16/32/64.
Factor out the duplicated code into <asm-generic/int-ll64.h>.
BTW, Linux unified the kernel space definition into int-ll64.h
a few years ago as you see in Linux commit 0c79a8e29b5f
("asm/types.h: Remove include/asm-generic/int-l64.h").
Signed-off-by: Masahiro Yamada <[email protected]>
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The only platform left for the AU1x00 SoCs was the pb1x00 platform, an
apparent clone of the dbau1x00 platform. As pb1x00 had no listed
maintainer I am assuming that it is also orphaned. Remove this platform
and then remove the unused SoC support.
Cc: Daniel Schwierzeck <[email protected]>
Signed-off-by: Tom Rini <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
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When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.
In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.
This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.
Signed-off-by: Tom Rini <[email protected]>
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When writing code, for example during relocation, we ensure that the
icache has a coherent view of the new instructions with a call to
flush_cache(). This handles the bulk of the work to ensure the new
instructions will execute as expected, however it does not ensure that
the CPU pipeline doesn't already contain instructions taken from a stale
view of the affected memory. This could theoretically be a problem for
relocation, but in practice typically isn't because we sync caches for
enough code after the entry point of the newly written code that by the
time the CPU pipeline might possibly fetch any of it we'll have long ago
written it back & invalidated any stale icache entries. This is however
a problem for shorter regions of code.
In preparation for later patches which write shorter segments of code,
ensure any instruction hazards are cleared by flush_cache() by
introducing & using a new instruction_hazard_barrier() function which
makes use of the jr.hb instruction to clear the hazard.
Signed-off-by: Paul Burton <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
Cc: [email protected]
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Convert the mips architecture to make use of the new asm-generic/io.h to
provide address mapping functions. As mips actually performs
non-identity mapping between physical & virtual addresses we can't
simply make use of the generic functions, with the exception of being
able to drop our no-op unmap_physmem() and definitions of unused map
flags.
Signed-off-by: Paul Burton <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
Acked-by: Daniel Schwierzeck <[email protected]>
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U-Boot has up until now built with -fpic for the MIPS architecture,
producing position independent code which uses indirection through a
global offset table, making relocation fairly straightforward as it
simply involves patching up GOT entries.
Using -fpic does however have some downsides. The biggest of these is
that generated code is bloated in various ways. For example, function
calls are indirected through the GOT & the t9 register:
8f998064 lw t9,-32668(gp)
0320f809 jalr t9
Without -fpic the call is simply:
0f803f01 jal be00fc04 <puts>
This is more compact & faster (due to the lack of the load & the
dependency the jump has on its result). It is also easier to read &
debug because the disassembly shows what function is being called,
rather than just an offset from gp which would then have to be looked up
in the ELF to discover the target function.
Another disadvantage of -fpic is that each function begins with a
sequence to calculate the value of the gp register, for example:
3c1c0004 lui gp,0x4
279c3384 addiu gp,gp,13188
0399e021 addu gp,gp,t9
Without using -fpic this sequence no longer appears at the start of each
function, reducing code size considerably.
This patch switches U-Boot from building with -fpic to building with
-fno-pic, in order to gain the benefits described above. The cost of
this is an extra step during the build process to extract relocation
data from the ELF & write it into a new .rel section in a compact
format, plus the added complexity of dealing with multiple types of
relocation rather than the single type that applied to the GOT. The
benefit is smaller, cleaner, more debuggable code. The relocate_code()
function is reimplemented in C to handle the new relocation scheme,
which also makes it easier to read & debug.
Taking maltael_defconfig as an example the size of u-boot.bin built
using the Codescape MIPS 2016.05-06 toolchain (gcc 4.9.2, binutils
2.24.90) shrinks from 254KiB to 224KiB.
Signed-off-by: Paul Burton <[email protected]>
Cc: Daniel Schwierzeck <[email protected]>
Cc: [email protected]
Reviewed-by: Daniel Schwierzeck <[email protected]>
Tested-by: Daniel Schwierzeck <[email protected]>
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Rather than including this arch-specific header file in common.h, include
it from within mips's u-boot.h header.
Signed-off-by: Simon Glass <[email protected]>
Reviewed-by: Daniel Schwierzeck <[email protected]>
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