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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2008-11-07 04:53:29 +08:00
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/*
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* Fujitsu MB862xx Graphics Controller Registers/Bits
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*/
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#ifndef _MB862XX_REG_H
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#define _MB862XX_REG_H
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#define MB862XX_MMIO_BASE 0x01fc0000
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2011-05-13 18:52:29 +08:00
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#define MB862XX_MMIO_HIGH_BASE 0x03fc0000
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2008-11-07 04:53:29 +08:00
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#define MB862XX_I2C_BASE 0x0000c000
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#define MB862XX_DISP_BASE 0x00010000
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#define MB862XX_CAP_BASE 0x00018000
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#define MB862XX_DRAW_BASE 0x00030000
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#define MB862XX_GEO_BASE 0x00038000
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#define MB862XX_PIO_BASE 0x00038000
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#define MB862XX_MMIO_SIZE 0x40000
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/* Host interface/pio registers */
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#define GC_IST 0x00000020
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#define GC_IMASK 0x00000024
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#define GC_SRST 0x0000002c
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#define GC_CCF 0x00000038
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2011-05-13 18:52:29 +08:00
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#define GC_RSW 0x0000005c
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2008-11-07 04:53:29 +08:00
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#define GC_CID 0x000000f0
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#define GC_REVISION 0x00000084
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#define GC_CCF_CGE_100 0x00000000
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#define GC_CCF_CGE_133 0x00040000
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#define GC_CCF_CGE_166 0x00080000
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#define GC_CCF_COT_100 0x00000000
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#define GC_CCF_COT_133 0x00010000
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#define GC_CID_CNAME_MSK 0x0000ff00
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#define GC_CID_VERSION_MSK 0x000000ff
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/* define enabled interrupts hereby */
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#define GC_INT_EN 0x00000000
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/* Memory interface mode register */
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#define GC_MMR 0x0000fffc
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/* Display Controller registers */
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#define GC_DCM0 0x00000000
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#define GC_HTP 0x00000004
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#define GC_HDB_HDP 0x00000008
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#define GC_VSW_HSW_HSP 0x0000000c
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#define GC_VTR 0x00000010
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#define GC_VDP_VSP 0x00000014
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#define GC_WY_WX 0x00000018
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#define GC_WH_WW 0x0000001c
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#define GC_L0M 0x00000020
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#define GC_L0OA0 0x00000024
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#define GC_L0DA0 0x00000028
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#define GC_L0DY_L0DX 0x0000002c
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2011-05-13 19:31:37 +08:00
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#define GC_L1M 0x00000030
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#define GC_L1DA 0x00000034
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2008-11-07 04:53:29 +08:00
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#define GC_DCM1 0x00000100
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#define GC_L0EM 0x00000110
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#define GC_L0WY_L0WX 0x00000114
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#define GC_L0WH_L0WW 0x00000118
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2011-05-13 19:31:37 +08:00
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#define GC_L1EM 0x00000120
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#define GC_L1WY_L1WX 0x00000124
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#define GC_L1WH_L1WW 0x00000128
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#define GC_DLS 0x00000180
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2008-11-07 04:53:29 +08:00
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#define GC_DCM2 0x00000104
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#define GC_DCM3 0x00000108
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#define GC_CPM_CUTC 0x000000a0
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#define GC_CUOA0 0x000000a4
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#define GC_CUY0_CUX0 0x000000a8
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#define GC_CUOA1 0x000000ac
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#define GC_CUY1_CUX1 0x000000b0
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#define GC_L0PAL0 0x00000400
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#define GC_CPM_CEN0 0x00100000
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#define GC_CPM_CEN1 0x00200000
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2011-05-13 19:31:37 +08:00
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#define GC_DCM1_DEN 0x80000000
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#define GC_DCM1_L1E 0x00020000
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#define GC_L1M_16 0x80000000
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#define GC_L1M_YC 0x40000000
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#define GC_L1M_CS 0x20000000
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2008-11-07 04:53:29 +08:00
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#define GC_DCM01_ESY 0x00000004
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#define GC_DCM01_SC 0x00003f00
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#define GC_DCM01_RESV 0x00004000
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#define GC_DCM01_CKS 0x00008000
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#define GC_DCM01_L0E 0x00010000
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#define GC_DCM01_DEN 0x80000000
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#define GC_L0M_L0C_8 0x00000000
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#define GC_L0M_L0C_16 0x80000000
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#define GC_L0EM_L0EC_24 0x40000000
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#define GC_L0M_L0W_UNIT 64
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2011-05-13 19:31:37 +08:00
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#define GC_L1EM_DM 0x02000000
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2008-11-07 04:53:29 +08:00
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#define GC_DISP_REFCLK_400 400
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2011-05-24 21:19:48 +08:00
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/* I2C */
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#define GC_I2C_BSR 0x00000000 /* BSR */
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#define GC_I2C_BCR 0x00000004 /* BCR */
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#define GC_I2C_CCR 0x00000008 /* CCR */
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#define GC_I2C_ADR 0x0000000C /* ADR */
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#define GC_I2C_DAR 0x00000010 /* DAR */
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#define I2C_DISABLE 0x00000000
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#define I2C_STOP 0x00000000
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#define I2C_START 0x00000010
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#define I2C_REPEATED_START 0x00000030
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#define I2C_CLOCK_AND_ENABLE 0x0000003f
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#define I2C_READY 0x01
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#define I2C_INT 0x01
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#define I2C_INTE 0x02
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#define I2C_ACK 0x08
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#define I2C_BER 0x80
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#define I2C_BEIE 0x40
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#define I2C_TRX 0x80
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#define I2C_LRB 0x10
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2011-05-13 19:31:37 +08:00
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/* Capture registers and bits */
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#define GC_CAP_VCM 0x00000000
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#define GC_CAP_CSC 0x00000004
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#define GC_CAP_VCS 0x00000008
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#define GC_CAP_CBM 0x00000010
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#define GC_CAP_CBOA 0x00000014
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#define GC_CAP_CBLA 0x00000018
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#define GC_CAP_IMG_START 0x0000001C
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#define GC_CAP_IMG_END 0x00000020
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#define GC_CAP_CMSS 0x00000048
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#define GC_CAP_CMDS 0x0000004C
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#define GC_VCM_VIE 0x80000000
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#define GC_VCM_CM 0x03000000
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#define GC_VCM_VS_PAL 0x00000002
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#define GC_CBM_OO 0x80000000
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#define GC_CBM_HRV 0x00000010
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#define GC_CBM_CBST 0x00000001
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2008-11-07 04:53:29 +08:00
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/* Carmine specific */
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#define MB86297_DRAW_BASE 0x00020000
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#define MB86297_DISP0_BASE 0x00100000
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#define MB86297_DISP1_BASE 0x00140000
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#define MB86297_WRBACK_BASE 0x00180000
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#define MB86297_CAP0_BASE 0x00200000
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#define MB86297_CAP1_BASE 0x00280000
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#define MB86297_DRAMCTRL_BASE 0x00300000
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#define MB86297_CTRL_BASE 0x00400000
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#define MB86297_I2C_BASE 0x00500000
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#define GC_CTRL_STATUS 0x00000000
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#define GC_CTRL_INT_MASK 0x00000004
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#define GC_CTRL_CLK_ENABLE 0x0000000c
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#define GC_CTRL_SOFT_RST 0x00000010
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#define GC_CTRL_CLK_EN_DRAM 0x00000001
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#define GC_CTRL_CLK_EN_2D3D 0x00000002
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#define GC_CTRL_CLK_EN_DISP0 0x00000020
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#define GC_CTRL_CLK_EN_DISP1 0x00000040
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#define GC_2D3D_REV 0x000004b4
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#define GC_RE_REVISION 0x24240200
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/* define enabled interrupts hereby */
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#define GC_CARMINE_INT_EN 0x00000004
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/* DRAM controller */
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#define GC_DCTL_MODE_ADD 0x00000000
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#define GC_DCTL_SETTIME1_EMODE 0x00000004
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#define GC_DCTL_REFRESH_SETTIME2 0x00000008
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#define GC_DCTL_RSV0_STATES 0x0000000C
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#define GC_DCTL_RSV2_RSV1 0x00000010
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#define GC_DCTL_DDRIF2_DDRIF1 0x00000014
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#define GC_DCTL_IOCONT1_IOCONT0 0x00000024
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#define GC_DCTL_STATES_MSK 0x0000000f
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#define GC_DCTL_INIT_WAIT_CNT 3000
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#define GC_DCTL_INIT_WAIT_INTERVAL 1
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/* DRAM ctrl values for Carmine PCI Eval. board */
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#define GC_EVB_DCTL_MODE_ADD 0x012105c3
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#define GC_EVB_DCTL_MODE_ADD_AFT_RST 0x002105c3
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#define GC_EVB_DCTL_SETTIME1_EMODE 0x47498000
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#define GC_EVB_DCTL_REFRESH_SETTIME2 0x00422a22
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#define GC_EVB_DCTL_RSV0_STATES 0x00200003
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#define GC_EVB_DCTL_RSV0_STATES_AFT_RST 0x00200002
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#define GC_EVB_DCTL_RSV2_RSV1 0x0000000f
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#define GC_EVB_DCTL_DDRIF2_DDRIF1 0x00556646
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#define GC_EVB_DCTL_IOCONT1_IOCONT0 0x05550555
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#define GC_DISP_REFCLK_533 533
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#endif
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