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Add kerneldoc to this function.
Signed-off-by: Marek Vasut <marex@denx.de>
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This is kind of microseries-within-series indent cleanup.
Rework the code for the the middle-loop of the mega-loop
this time and deal with the group_failed variable. Instead
of checking if the group failed in the previous calibration
part, just jump to the end of the loop if calibration did
fail and increment the counter. This shaves away one more
level of indent while making the code slightly more readable.
It is likely that this patch has checkpatch warnings, but
for the sake of not breaking the code, these are ignored.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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This is kind of microseries-within-series indent cleanup.
Rework the code for the last loop within the mega-loop
to make it actually readable and not an insane cryptic pile
of indent failure.
It is likely that this patch has checkpatch warnings, but
for the sake of not breaking the code, these are ignored.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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This is kind of microseries-within-series indent cleanup.
Rework the code for the third loop within the middle-loop
of the mega-loop to make it actually readable and not an
insane cryptic pile of indent failure.
It is likely that this patch has checkpatch warnings, but
for the sake of not breaking the code, these are ignored.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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This is kind of microseries-within-series indent cleanup.
Rework the code for the second loop within the middle-loop
of the mega-loop to make it actually readable and not an
insane cryptic pile of indent failure.
It is likely that this patch has checkpatch warnings, but
for the sake of not breaking the code, these are ignored.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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This is kind of microseries-within-series indent cleanup.
Rework the code for the first loop within the middle-loop
of the mega-loop to make it actually readable and not an
insane cryptic pile of indent failure.
It is likely that this patch has checkpatch warnings, but
for the sake of not breaking the code, these are ignored.
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Redo the mega-condition such that if the calibration is to be skipped,
the positive branch of the condition does all the work and returns.
The negative branch, which is in fact the default behavior, is then
converted to a code which is no longer conditional. This trims down
the indent by one level.
Signed-off-by: Marek Vasut <marex@denx.de>
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Perform minor coding style cleanup of the mem_skip_calibrate() function,
clean up comments and add kerneldoc. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean up comments and add kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Turn the big inner if (RW_MGR_MEM_NUMBER_OF_RANKS == ...) conditional
into a switch {} statement instead. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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First, invert the logic of the if (odt_mode == ...) conditional to make
the OFF mode harder to miss. It is a short piece of code right at the
end, so move it up.
Also, clean up data types and constify where applicable and clean up
the cs_and_odt_mask assignment. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Perform minor cleanup of this function, fix datatype and add kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean mem_config() function. First, reorder the math done in the
function such that WLAT and RLAT computation is together. Then,
scrap contradictory comments which do not match the result of the
math at all. Next, extract the mem_precharge_and_activate() call
from the end of the function as it is completely unrelated here.
Finally, rename the function to mem_init_latency().
Signed-off-by: Marek Vasut <marex@denx.de>
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Zap the cryptic casts and rework the code into a slightly more
readable form. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean the function up slightly by using clrsetbits_le32() to flip
bits in registers instead of cryptic bitmasks. Zap condition checking
for PHY_DEBUG_IN_DEBUG_MODE flag, which is never set. Split the
calibration report into separate debug_mem_calibrate() function.
Signed-off-by: Marek Vasut <marex@denx.de>
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Just perform the rename to make the name more descriptive,
no functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Init both structures with zeroes and zap all those zeroing shenanigans
further down in the sdram_calibration_full().
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean the function up by getting rid of all the insane XOR-leftshift
combos when assembling register values. While at it, remove all the
ad-hoc variables necessary for this XOR-leftshift voodoo. Finally,
get rid of the iterative division implementation of two constants
and replace it with a DIV_ROUND_UP() macro :-)
Signed-off-by: Marek Vasut <marex@denx.de>
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Contemporary CPUs can perform division just fine, use this
functionality and zap another implementation of iterative
division :-)
Signed-off-by: Marek Vasut <marex@denx.de>
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Add kerneldoc and do a minor comment cleanup.
Signed-off-by: Marek Vasut <marex@denx.de>
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Factor out almost common code from rw_mgr_mem_handoff() and
rw_mgr_mem_initialize() into separate rw_mgr_mem_load_user().
No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Pull the duplicate code out into a separate function.
Signed-off-by: Marek Vasut <marex@denx.de>
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Zap unused group_bgn parameter, fix and constify data types.
Document in kerneldoc. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean the DQS and OCT parts of the function, clean up the chopped
formatting strings in debug_cond() and slightly improve the code.
Zap group_bgn argument as it is used only in debug messages. Document
the function using kerneldoc. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Apparently, in case of the DQ and DM, the value if the new_delay variable
is calculated, but the value is not used. Zap the entire code which does
calculate the value.
It is not clear to me whether or not the code is doing the right thing
in the first place. Right now, it calls scc_mgr_load_dq() and
scc_mgr_load_dm() respectively, but I suspect it might need to call
scc_mgr_apply_group_dq_out1_delay() and scc_mgr_apply_group_dm_out1_delay()
instead. This is something Altera must investigate.
Signed-off-by: Marek Vasut <marex@denx.de>
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First, zap unused argument of the function. Next, clean up
the data types, constify where applicable, clean up comments
and add kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Add kerneldoc, clean up datatypes and fix minor indentation issue.
Signed-off-by: Marek Vasut <marex@denx.de>
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Move scc_mgr_set_hhp_extras() out of scc_set_bypass_mode() as it
has nothing to do in there. Instead, invoke it from mem_calibrate()
just before invoking scc_set_bypass_mode().
Signed-off-by: Marek Vasut <marex@denx.de>
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Minor coding style cleanup for this function. Furthermore, move
ad-hoc debug_cond() calls from the only location from where this
function is invoked into this actual function.
Signed-off-by: Marek Vasut <marex@denx.de>
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Zap args which are not used by these functions, in particular
the write_group is often passed, but unused.
Signed-off-by: Marek Vasut <marex@denx.de>
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Remove unused write_group and group_bgn argument from this function.
Document the function using kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Make this function more readable, no functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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The mode argument of this function is not used at all, zap it.
Signed-off-by: Marek Vasut <marex@denx.de>
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Make this function more readable, no functional change. Also, zap the
forward declaration, which is no longer needed.
Signed-off-by: Marek Vasut <marex@denx.de>
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Implement universal scc_mgr_set_all_ranks() function and convert
various ad-hoc implementations of similar functionality to use
this single function. Document the function in kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Shuffle the code around a bit, but without any functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean up the comments and add kerneldoc. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Implement unified scc_mgr_set() function and convert all those
9 scc_mgr_set_*() ad-hoc functions to call this one function.
Signed-off-by: Marek Vasut <marex@denx.de>
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This patch just puts functions which look similar next to each
other, so they can be sorted out. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean up the unused args of the functions used to configure the
SCC manager.
Signed-off-by: Marek Vasut <marex@denx.de>
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Turn the insides of these functions into trivial clrsetbits_le32()
and fix the data type of their argument to reflect it's actual size.
Signed-off-by: Marek Vasut <marex@denx.de>
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Add brief kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Add brief kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Clean the function up, fix data types, add kerneldoc.
Signed-off-by: Marek Vasut <marex@denx.de>
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Get rid of invocations of this sort:
addr = (u32)&base->reg;
writel(val, addr);
Signed-off-by: Marek Vasut <marex@denx.de>
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Use the proper structure which describes these registers,
especially since this is already in place.
Signed-off-by: Marek Vasut <marex@denx.de>
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Just trim down the constant SOCFPGA_SDR_ADDRESS + SDR_PHYGRP.*ADDRESS
in the code.
Signed-off-by: Marek Vasut <marex@denx.de>
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Remove the remaining invocations of sdr_get_addr() and the function
itself. This makes the code a bit less cryptic.
Signed-off-by: Marek Vasut <marex@denx.de>
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Instead of this indirection, just adjust the register pointer and
directly use the register base address.
Signed-off-by: Marek Vasut <marex@denx.de>
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Instead of this indirection, just adjust the register pointer and
directly use the register base address.
Signed-off-by: Marek Vasut <marex@denx.de>
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