License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
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// SPDX-License-Identifier: GPL-2.0
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2006-06-24 06:55:17 +08:00
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#include <linux/string.h>
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#include <linux/kernel.h>
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2007-05-01 14:40:36 +08:00
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#include <linux/of.h>
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2006-06-24 06:55:17 +08:00
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#include <linux/init.h>
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#include <linux/mod_devicetable.h>
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#include <linux/slab.h>
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2007-05-03 00:38:57 +08:00
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#include <linux/errno.h>
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2009-06-04 17:00:02 +08:00
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#include <linux/irq.h>
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2007-05-03 00:38:57 +08:00
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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2018-08-28 17:25:51 +08:00
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#include <linux/dma-mapping.h>
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2009-08-17 08:13:32 +08:00
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#include <asm/leon.h>
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#include <asm/leon_amba.h>
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2006-06-24 06:55:17 +08:00
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2009-06-04 17:00:02 +08:00
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#include "of_device_common.h"
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2011-02-26 15:01:19 +08:00
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#include "irq.h"
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2006-06-30 05:34:50 +08:00
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/*
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* PCI bus specific translator
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*/
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static int of_bus_pci_match(struct device_node *np)
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{
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2018-11-17 05:06:59 +08:00
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if (of_node_is_type(np, "pci") || of_node_is_type(np, "pciex")) {
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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/* Do not do PCI specific frobbing if the
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* PCI bridge lacks a ranges property. We
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* want to pass it through up to the next
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* parent as-is, not with the PCI translate
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* method which chops off the top address cell.
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*/
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if (!of_find_property(np, "ranges", NULL))
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return 0;
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return 1;
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}
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return 0;
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2006-06-30 05:34:50 +08:00
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}
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static void of_bus_pci_count_cells(struct device_node *np,
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int *addrc, int *sizec)
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{
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if (addrc)
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*addrc = 3;
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if (sizec)
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*sizec = 2;
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}
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[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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static int of_bus_pci_map(u32 *addr, const u32 *range,
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int na, int ns, int pna)
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2006-06-30 05:34:50 +08:00
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{
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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u32 result[OF_MAX_ADDR_CELLS];
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int i;
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2006-06-30 05:34:50 +08:00
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/* Check address type match */
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if ((addr[0] ^ range[0]) & 0x03000000)
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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return -EINVAL;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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if (of_out_of_range(addr + 1, range + 1, range + na + pna,
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na - 1, ns))
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return -EINVAL;
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2006-06-30 05:34:50 +08:00
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|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
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/* Start with the parent range base. */
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memcpy(result, range + na, pna * 4);
|
2006-06-30 05:34:50 +08:00
|
|
|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
/* Add in the child address offset, skipping high cell. */
|
|
|
|
for (i = 0; i < na - 1; i++)
|
|
|
|
result[pna - 1 - i] +=
|
|
|
|
(addr[na - 1 - i] -
|
|
|
|
range[na - 1 - i]);
|
|
|
|
|
|
|
|
memcpy(addr, result, pna * 4);
|
|
|
|
|
|
|
|
return 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
|
2008-08-29 12:02:58 +08:00
|
|
|
static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
|
2006-06-30 05:34:50 +08:00
|
|
|
{
|
|
|
|
u32 w = addr[0];
|
|
|
|
|
2008-08-29 12:02:58 +08:00
|
|
|
/* For PCI, we override whatever child busses may have used. */
|
|
|
|
flags = 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
switch((w >> 24) & 0x03) {
|
|
|
|
case 0x01:
|
|
|
|
flags |= IORESOURCE_IO;
|
2008-08-29 12:02:58 +08:00
|
|
|
break;
|
|
|
|
|
2006-06-30 05:34:50 +08:00
|
|
|
case 0x02: /* 32 bits */
|
|
|
|
case 0x03: /* 64 bits */
|
|
|
|
flags |= IORESOURCE_MEM;
|
2008-08-29 12:02:58 +08:00
|
|
|
break;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
if (w & 0x40000000)
|
|
|
|
flags |= IORESOURCE_PREFETCH;
|
|
|
|
return flags;
|
|
|
|
}
|
|
|
|
|
2008-09-11 14:38:51 +08:00
|
|
|
static unsigned long of_bus_sbus_get_flags(const u32 *addr, unsigned long flags)
|
2006-06-30 05:34:50 +08:00
|
|
|
{
|
|
|
|
return IORESOURCE_MEM;
|
|
|
|
}
|
|
|
|
|
2009-08-17 08:13:32 +08:00
|
|
|
/*
|
|
|
|
* AMBAPP bus specific translator
|
|
|
|
*/
|
|
|
|
|
|
|
|
static int of_bus_ambapp_match(struct device_node *np)
|
|
|
|
{
|
2018-11-17 05:06:59 +08:00
|
|
|
return of_node_is_type(np, "ambapp");
|
2009-08-17 08:13:32 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void of_bus_ambapp_count_cells(struct device_node *child,
|
|
|
|
int *addrc, int *sizec)
|
|
|
|
{
|
|
|
|
if (addrc)
|
|
|
|
*addrc = 1;
|
|
|
|
if (sizec)
|
|
|
|
*sizec = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int of_bus_ambapp_map(u32 *addr, const u32 *range,
|
|
|
|
int na, int ns, int pna)
|
|
|
|
{
|
|
|
|
return of_bus_default_map(addr, range, na, ns, pna);
|
|
|
|
}
|
|
|
|
|
|
|
|
static unsigned long of_bus_ambapp_get_flags(const u32 *addr,
|
|
|
|
unsigned long flags)
|
|
|
|
{
|
|
|
|
return IORESOURCE_MEM;
|
|
|
|
}
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Array of bus specific translators
|
|
|
|
*/
|
|
|
|
|
|
|
|
static struct of_bus of_busses[] = {
|
|
|
|
/* PCI */
|
|
|
|
{
|
|
|
|
.name = "pci",
|
|
|
|
.addr_prop_name = "assigned-addresses",
|
|
|
|
.match = of_bus_pci_match,
|
|
|
|
.count_cells = of_bus_pci_count_cells,
|
|
|
|
.map = of_bus_pci_map,
|
|
|
|
.get_flags = of_bus_pci_get_flags,
|
|
|
|
},
|
|
|
|
/* SBUS */
|
|
|
|
{
|
|
|
|
.name = "sbus",
|
|
|
|
.addr_prop_name = "reg",
|
|
|
|
.match = of_bus_sbus_match,
|
|
|
|
.count_cells = of_bus_sbus_count_cells,
|
2009-06-04 17:00:02 +08:00
|
|
|
.map = of_bus_default_map,
|
2006-06-30 05:34:50 +08:00
|
|
|
.get_flags = of_bus_sbus_get_flags,
|
|
|
|
},
|
2009-08-17 08:13:32 +08:00
|
|
|
/* AMBA */
|
|
|
|
{
|
|
|
|
.name = "ambapp",
|
|
|
|
.addr_prop_name = "reg",
|
|
|
|
.match = of_bus_ambapp_match,
|
|
|
|
.count_cells = of_bus_ambapp_count_cells,
|
|
|
|
.map = of_bus_ambapp_map,
|
|
|
|
.get_flags = of_bus_ambapp_get_flags,
|
|
|
|
},
|
2006-06-30 05:34:50 +08:00
|
|
|
/* Default */
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.addr_prop_name = "reg",
|
|
|
|
.match = NULL,
|
|
|
|
.count_cells = of_bus_default_count_cells,
|
|
|
|
.map = of_bus_default_map,
|
|
|
|
.get_flags = of_bus_default_get_flags,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static struct of_bus *of_match_bus(struct device_node *np)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(of_busses); i ++)
|
|
|
|
if (!of_busses[i].match || of_busses[i].match(np))
|
|
|
|
return &of_busses[i];
|
|
|
|
BUG();
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int __init build_one_resource(struct device_node *parent,
|
|
|
|
struct of_bus *bus,
|
|
|
|
struct of_bus *pbus,
|
|
|
|
u32 *addr,
|
|
|
|
int na, int ns, int pna)
|
|
|
|
{
|
2007-03-29 15:47:23 +08:00
|
|
|
const u32 *ranges;
|
2006-06-30 05:34:50 +08:00
|
|
|
unsigned int rlen;
|
|
|
|
int rone;
|
|
|
|
|
|
|
|
ranges = of_get_property(parent, "ranges", &rlen);
|
|
|
|
if (ranges == NULL || rlen == 0) {
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
u32 result[OF_MAX_ADDR_CELLS];
|
|
|
|
int i;
|
|
|
|
|
|
|
|
memset(result, 0, pna * 4);
|
|
|
|
for (i = 0; i < na; i++)
|
|
|
|
result[pna - 1 - i] =
|
|
|
|
addr[na - 1 - i];
|
|
|
|
|
|
|
|
memcpy(addr, result, pna * 4);
|
|
|
|
return 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Now walk through the ranges */
|
|
|
|
rlen /= 4;
|
|
|
|
rone = na + pna + ns;
|
|
|
|
for (; rlen >= rone; rlen -= rone, ranges += rone) {
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
if (!bus->map(addr, ranges, na, ns, pna))
|
|
|
|
return 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
return 1;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
|
2008-09-03 17:04:41 +08:00
|
|
|
static int __init use_1to1_mapping(struct device_node *pp)
|
|
|
|
{
|
|
|
|
/* If we have a ranges property in the parent, use it. */
|
|
|
|
if (of_find_property(pp, "ranges", NULL) != NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* Some SBUS devices use intermediate nodes to express
|
|
|
|
* hierarchy within the device itself. These aren't
|
|
|
|
* real bus nodes, and don't have a 'ranges' property.
|
|
|
|
* But, we should still pass the translation work up
|
|
|
|
* to the SBUS itself.
|
|
|
|
*/
|
2018-11-17 05:06:58 +08:00
|
|
|
if (of_node_name_eq(pp, "dma") ||
|
|
|
|
of_node_name_eq(pp, "espdma") ||
|
|
|
|
of_node_name_eq(pp, "ledma") ||
|
|
|
|
of_node_name_eq(pp, "lebuffer"))
|
2008-09-03 17:04:41 +08:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
static int of_resource_verbose;
|
|
|
|
|
2010-07-23 06:04:30 +08:00
|
|
|
static void __init build_device_resources(struct platform_device *op,
|
2006-06-30 05:34:50 +08:00
|
|
|
struct device *parent)
|
|
|
|
{
|
2010-07-23 06:04:30 +08:00
|
|
|
struct platform_device *p_op;
|
2006-06-30 05:34:50 +08:00
|
|
|
struct of_bus *bus;
|
|
|
|
int na, ns;
|
|
|
|
int index, num_reg;
|
2007-03-29 15:47:23 +08:00
|
|
|
const void *preg;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
if (!parent)
|
|
|
|
return;
|
|
|
|
|
2010-07-23 06:04:30 +08:00
|
|
|
p_op = to_platform_device(parent);
|
2010-04-14 07:12:29 +08:00
|
|
|
bus = of_match_bus(p_op->dev.of_node);
|
|
|
|
bus->count_cells(op->dev.of_node, &na, &ns);
|
2006-06-30 05:34:50 +08:00
|
|
|
|
2010-04-14 07:12:29 +08:00
|
|
|
preg = of_get_property(op->dev.of_node, bus->addr_prop_name, &num_reg);
|
2006-06-30 05:34:50 +08:00
|
|
|
if (!preg || num_reg == 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* Convert to num-cells. */
|
|
|
|
num_reg /= 4;
|
|
|
|
|
|
|
|
/* Conver to num-entries. */
|
|
|
|
num_reg /= na + ns;
|
|
|
|
|
2010-06-19 01:09:58 +08:00
|
|
|
op->resource = op->archdata.resource;
|
|
|
|
op->num_resources = num_reg;
|
2006-06-30 05:34:50 +08:00
|
|
|
for (index = 0; index < num_reg; index++) {
|
|
|
|
struct resource *r = &op->resource[index];
|
|
|
|
u32 addr[OF_MAX_ADDR_CELLS];
|
2007-03-29 15:47:23 +08:00
|
|
|
const u32 *reg = (preg + (index * ((na + ns) * 4)));
|
2010-04-14 07:12:29 +08:00
|
|
|
struct device_node *dp = op->dev.of_node;
|
|
|
|
struct device_node *pp = p_op->dev.of_node;
|
2007-03-01 15:20:12 +08:00
|
|
|
struct of_bus *pbus, *dbus;
|
2006-06-30 05:34:50 +08:00
|
|
|
u64 size, result = OF_BAD_ADDR;
|
|
|
|
unsigned long flags;
|
|
|
|
int dna, dns;
|
|
|
|
int pna, pns;
|
|
|
|
|
|
|
|
size = of_read_addr(reg + na, ns);
|
|
|
|
|
|
|
|
memcpy(addr, reg, na * 4);
|
|
|
|
|
2008-08-29 12:02:58 +08:00
|
|
|
flags = bus->get_flags(reg, 0);
|
|
|
|
|
2008-09-03 17:04:41 +08:00
|
|
|
if (use_1to1_mapping(pp)) {
|
2006-06-30 05:34:50 +08:00
|
|
|
result = of_read_addr(addr, na);
|
|
|
|
goto build_res;
|
|
|
|
}
|
|
|
|
|
|
|
|
dna = na;
|
|
|
|
dns = ns;
|
2007-03-01 15:20:12 +08:00
|
|
|
dbus = bus;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
while (1) {
|
|
|
|
dp = pp;
|
|
|
|
pp = dp->parent;
|
|
|
|
if (!pp) {
|
|
|
|
result = of_read_addr(addr, dna);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
pbus = of_match_bus(pp);
|
|
|
|
pbus->count_cells(dp, &pna, &pns);
|
|
|
|
|
2007-03-01 15:20:12 +08:00
|
|
|
if (build_one_resource(dp, dbus, pbus, addr,
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
dna, dns, pna))
|
2006-06-30 05:34:50 +08:00
|
|
|
break;
|
|
|
|
|
2008-08-29 12:02:58 +08:00
|
|
|
flags = pbus->get_flags(addr, flags);
|
|
|
|
|
2006-06-30 05:34:50 +08:00
|
|
|
dna = pna;
|
|
|
|
dns = pns;
|
2007-03-01 15:20:12 +08:00
|
|
|
dbus = pbus;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
build_res:
|
|
|
|
memset(r, 0, sizeof(*r));
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
|
|
|
|
if (of_resource_verbose)
|
2018-11-17 05:06:54 +08:00
|
|
|
printk("%pOF reg[%d] -> %llx\n",
|
|
|
|
op->dev.of_node, index,
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
result);
|
|
|
|
|
2006-06-30 05:34:50 +08:00
|
|
|
if (result != OF_BAD_ADDR) {
|
2006-06-30 05:35:14 +08:00
|
|
|
r->start = result & 0xffffffff;
|
2006-06-30 05:34:50 +08:00
|
|
|
r->end = result + size - 1;
|
2006-06-30 05:35:14 +08:00
|
|
|
r->flags = flags | ((result >> 32ULL) & 0xffUL);
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
2018-11-17 05:07:01 +08:00
|
|
|
r->name = op->dev.of_node->full_name;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-07-23 06:04:30 +08:00
|
|
|
static struct platform_device * __init scan_one_device(struct device_node *dp,
|
2006-06-30 05:34:50 +08:00
|
|
|
struct device *parent)
|
|
|
|
{
|
2010-07-23 06:04:30 +08:00
|
|
|
struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL);
|
2007-03-29 15:47:23 +08:00
|
|
|
const struct linux_prom_irqs *intr;
|
2007-07-19 13:03:25 +08:00
|
|
|
struct dev_archdata *sd;
|
2006-06-30 06:08:02 +08:00
|
|
|
int len, i;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
if (!op)
|
|
|
|
return NULL;
|
|
|
|
|
2007-07-19 13:03:25 +08:00
|
|
|
sd = &op->dev.archdata;
|
|
|
|
sd->op = op;
|
|
|
|
|
2010-04-14 07:12:28 +08:00
|
|
|
op->dev.of_node = dp;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
2006-06-30 06:08:02 +08:00
|
|
|
intr = of_get_property(dp, "intr", &len);
|
|
|
|
if (intr) {
|
2010-06-19 01:09:58 +08:00
|
|
|
op->archdata.num_irqs = len / sizeof(struct linux_prom_irqs);
|
|
|
|
for (i = 0; i < op->archdata.num_irqs; i++)
|
2011-02-26 15:01:19 +08:00
|
|
|
op->archdata.irqs[i] =
|
2012-04-04 19:21:13 +08:00
|
|
|
sparc_config.build_device_irq(op, intr[i].pri);
|
2006-06-30 06:08:02 +08:00
|
|
|
} else {
|
2007-03-29 15:47:23 +08:00
|
|
|
const unsigned int *irq =
|
|
|
|
of_get_property(dp, "interrupts", &len);
|
2006-06-30 06:08:02 +08:00
|
|
|
|
|
|
|
if (irq) {
|
2010-06-19 01:09:58 +08:00
|
|
|
op->archdata.num_irqs = len / sizeof(unsigned int);
|
|
|
|
for (i = 0; i < op->archdata.num_irqs; i++)
|
2011-02-26 15:01:19 +08:00
|
|
|
op->archdata.irqs[i] =
|
2012-04-04 19:21:13 +08:00
|
|
|
sparc_config.build_device_irq(op, irq[i]);
|
2006-06-30 06:08:02 +08:00
|
|
|
} else {
|
2010-06-19 01:09:58 +08:00
|
|
|
op->archdata.num_irqs = 0;
|
2006-06-30 06:08:02 +08:00
|
|
|
}
|
|
|
|
}
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
build_device_resources(op, parent);
|
|
|
|
|
|
|
|
op->dev.parent = parent;
|
2010-06-08 21:48:21 +08:00
|
|
|
op->dev.bus = &platform_bus_type;
|
2006-06-30 05:34:50 +08:00
|
|
|
if (!parent)
|
2008-11-13 15:48:40 +08:00
|
|
|
dev_set_name(&op->dev, "root");
|
2006-06-30 05:34:50 +08:00
|
|
|
else
|
2010-01-29 05:06:53 +08:00
|
|
|
dev_set_name(&op->dev, "%08x", dp->phandle);
|
2006-06-30 05:34:50 +08:00
|
|
|
|
2018-08-28 17:25:51 +08:00
|
|
|
op->dev.coherent_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
op->dev.dma_mask = &op->dev.coherent_dma_mask;
|
|
|
|
|
2006-06-30 05:34:50 +08:00
|
|
|
if (of_device_register(op)) {
|
2018-11-17 05:06:54 +08:00
|
|
|
printk("%pOF: Could not register of device.\n", dp);
|
2006-06-30 05:34:50 +08:00
|
|
|
kfree(op);
|
|
|
|
op = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return op;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __init scan_tree(struct device_node *dp, struct device *parent)
|
|
|
|
{
|
|
|
|
while (dp) {
|
2010-07-23 06:04:30 +08:00
|
|
|
struct platform_device *op = scan_one_device(dp, parent);
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
if (op)
|
|
|
|
scan_tree(dp->child, &op->dev);
|
|
|
|
|
|
|
|
dp = dp->sibling;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-06-08 21:48:21 +08:00
|
|
|
static int __init scan_of_devices(void)
|
2006-06-30 05:34:50 +08:00
|
|
|
{
|
|
|
|
struct device_node *root = of_find_node_by_path("/");
|
2010-07-23 06:04:30 +08:00
|
|
|
struct platform_device *parent;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
parent = scan_one_device(root, NULL);
|
|
|
|
if (!parent)
|
2010-06-08 21:48:21 +08:00
|
|
|
return 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
|
|
|
|
scan_tree(root->child, &parent->dev);
|
2010-06-08 21:48:21 +08:00
|
|
|
return 0;
|
2006-06-30 05:34:50 +08:00
|
|
|
}
|
2010-06-08 21:48:21 +08:00
|
|
|
postcore_initcall(scan_of_devices);
|
2006-06-24 06:55:17 +08:00
|
|
|
|
[SPARC]: Fix OF register translations under sub-PCI busses.
There is an implicit assumption in the code that ranges will translate
to something that can fit in 2 32-bit cells, or a 64-bit value. For
certain kinds of things below PCI this isn't necessarily true.
Here is what the relevant OF device hierarchy looks like for one of
the serial controllers on an Ultra5:
Node 0xf005f1e0
ranges: 00000000.00000000.00000000.000001fe.01000000.00000000.01000000
01000000.00000000.00000000.000001fe.02000000.00000000.01000000
02000000.00000000.00000000.000001ff.00000000.00000001.00000000
03000000.00000000.00000000.000001ff.00000000.00000001.00000000
device_type: 'pci'
model: 'SUNW,sabre'
Node 0xf005f9d4
device_type: 'pci'
model: 'SUNW,simba'
Node 0xf0060d24
ranges: 00000010.00000000 82010810.00000000.f0000000 01000000
00000014.00000000 82010814.00000000.f1000000 00800000
name: 'ebus'
Node 0xf0062dac
reg: 00000014.003083f8.00000008 --> 0x1ff.f13083f8
device_type: 'serial'
name: 'su'
So the correct translation here is:
1) Match "su" register to second ranges entry of 'ebus', which translates
into a PCI triplet "82010814.00000000.f1000000" of size 00800000, which
gives us "82010814.00000000.f13083f8".
2) Pass-through "SUNW,simba" since it lacks ranges property
3) Match "82010814.00000000.f13083f8" to third ranges property of PCI
controller node 'SUNW,sabre', and we arrive at the final physical
MMIO address of "0x1fff13083f8".
Due to the 2-cell assumption, we couldn't translate to a PCI 3-cell
value, and we couldn't perform a pass-thru on it either.
It was easiest to just stop splitting the ranges application operation
between two methods, ->map and ->translate, and just let ->map do all
the work. That way it would work purely on 32-bit cell arrays instead
of having to "return" some value like a u64.
It's still not %100 correct because the out-of-range check is still
done using the 64 least significant bits of the range and address.
But it does work for all the cases I've thrown at it so far.
Signed-off-by: David S. Miller <davem@davemloft.net>
2006-07-13 14:19:31 +08:00
|
|
|
static int __init of_debug(char *str)
|
|
|
|
{
|
|
|
|
int val = 0;
|
|
|
|
|
|
|
|
get_option(&str, &val);
|
|
|
|
if (val & 1)
|
|
|
|
of_resource_verbose = 1;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
__setup("of_debug=", of_debug);
|