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Historically, the reset_cpu() function had an `addr` parameter which was
meant to pass in an address of the reset vector location, where the CPU
should reset to. This feature is no longer used anywhere in U-Boot as
all reset_cpu() implementations now ignore the passed value. Generic
code has been added which always calls reset_cpu() with `0` which means
this feature can no longer be used easily anyway.
Over time, many implementations seem to have "misunderstood" the
existence of this parameter as a way to customize/parameterize the reset
(e.g. COLD vs WARM resets). As this is not properly supported, the
code will almost always not do what it is intended to (because all
call-sites just call reset_cpu() with 0).
To avoid confusion and to clean up the codebase from unused left-overs
of the past, remove the `addr` parameter entirely. Code which intends
to support different kinds of resets should be rewritten as a sysreset
driver instead.
This transformation was done with the following coccinelle patch:
@@
expression argvalue;
@@
- reset_cpu(argvalue)
+ reset_cpu()
@@
identifier argname;
type argtype;
@@
- reset_cpu(argtype argname)
+ reset_cpu(void)
{ ... }
Signed-off-by: Harald Seiler <hws@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
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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 <sjg@chromium.org>
Signed-off-by: Tom Rini <trini@konsulko.com>
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Move this uncommon header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
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We should not use typedefs in U-Boot. They cannot be used as forward
declarations which means that header files must include the full header to
access them.
Drop the typedef and rename the struct to remove the _s suffix which is
now not useful.
This requires quite a few header-file additions.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Move this uncommon header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
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It's a very rare if at all existing occasion when ARC CPU template
is used as is w/o any changes - in the end it's a beauty and competitive
advantage of ARC cores to be tailored for a particular use-case - and
so it doesn't make a lot of sense to offer template-based "-mcpu" selection.
Given for each and every platform we end-up adding quite a few more flags
it's logical to move "-mcpu" selection to platform's definition as well
which we exactly do here.
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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Move this function out of common.h and into a relevant header file.
Signed-off-by: Simon Glass <sjg@chromium.org>
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Back in the day on early board samples built-in Digilent JTAG probe
was not functional so we used externally attached Ashling Opella-XD
probe. But now with production units everything works as expected and
so we anybody may enjoy readily avaialble built-in JTAG probe so
we specify Digilent oprion on MDB's command line example.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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Somehow EMSDP & IoT DK boards were skipped on ARC boads conversion
to DM MMC. So doing it now.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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Even though EM SDP is FPGA-based board and different FPGA
images (known as .bit-files) are awailable for the board still
there's a common subset of options we may rely on for all configs.
These are:
* Normalizer
* Swap instructions
* Simple multiplier
* Barrel-shifter
* Floating-point unit
* Shorter instructions (code density)
This among other improvements allows to compile code with
64-bit divisions, see [1].
[1] https://patchwork.ozlabs.org/patch/1156541/
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Kever Yang <kever.yang@rock-chips.com>
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If the "Page Mode" is not enabled on the device,
read operations from PSRAM may result in incorrect data.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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This allows us to print nice board name on boot.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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Instead of "base + offset" define all registers right away
and access them later via direct defines.
Generate bit masks with "BIT" macro.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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We do real CPU clock measurement with help of built-in
counters. Thus we may accommodate different real clock values
that appear in different FPA images instead of relying on
something hard-coded in the .dtb.
And while at it make make SDIO base address define
look similar to others with casting to "(void *)".
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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Real marketing name of the board was recently updated so
to accommodate that change renaming the board and all
related to it.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
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