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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits) ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock ARM: S3C2443: Remove #if 0 for clk_mpll ARM: S3C2443: Update notes on MPLLREF clock ARM: S3C2443: Further clksrc-clk conversions ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation USB: Fix s3c-hsotg build following Samsung platform header moves ARM: S3C64XX: Reintroduce unconditional build of audio device ARM: 5961/1: ux500: fix CLKRST addresses ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted ASoC: Fix S3C64xx IIS driver for Samsung header reorg ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support [ARM] pxa: fix typo in mxm8x10.h [ARM] pxa/raumfeld: set GPIO drive bits for LED pins [ARM] pxa/zeus: Add support for mcp2515 CAN bus [ARM] pxa/zeus: Add support for onboard max6369 watchdog [ARM] pxa/zeus: Add Eurotech as the manufacturer [ARM] pxa/zeus: Correct the USB host initialisation flags [ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress [ARM] pxa: refactor uncompress.h for non-PXA uarts [ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs ...
This commit is contained in:
Linus Torvalds
commit
dca1d9f6d7
627 changed files with 45021 additions and 9429 deletions
86
Documentation/arm/Samsung/Overview.txt
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86
Documentation/arm/Samsung/Overview.txt
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Samsung ARM Linux Overview
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==========================
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Introduction
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------------
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The Samsung range of ARM SoCs spans many similar devices, from the initial
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ARM9 through to the newest ARM cores. This document shows an overview of
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the current kernel support, how to use it and where to find the code
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that supports this.
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The currently supported SoCs are:
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- S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
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- S3C64XX: S3C6400 and S3C6410
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- S5PC6440
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S5PC100 and S5PC110 support is currently being merged
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S3C24XX Systems
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---------------
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There is still documentation in Documnetation/arm/Samsung-S3C24XX/ which
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deals with the architecture and drivers specific to these devices.
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See Documentation/arm/Samsung-S3C24XX/Overview.txt for more information
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on the implementation details and specific support.
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Configuration
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-------------
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A number of configurations are supplied, as there is no current way of
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unifying all the SoCs into one kernel.
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s5p6440_defconfig - S5P6440 specific default configuration
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s5pc100_defconfig - S5PC100 specific default configuration
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Layout
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------
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The directory layout is currently being restructured, and consists of
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several platform directories and then the machine specific directories
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of the CPUs being built for.
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plat-samsung provides the base for all the implementations, and is the
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last in the line of include directories that are processed for the build
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specific information. It contains the base clock, GPIO and device definitions
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to get the system running.
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plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently
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involved in other builds this will be phased out once the relevant code is
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moved elsewhere.
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plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.
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plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs.
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plat-s5p is for s5p specific builds, more to be added.
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[ to finish ]
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Port Contributors
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-----------------
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Ben Dooks (BJD)
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Vincent Sanders
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Herbert Potzl
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Arnaud Patard (RTP)
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Roc Wu
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Klaus Fetscher
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Dimitry Andric
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Shannon Holland
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Guillaume Gourat (NexVision)
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Christer Weinigel (wingel) (Acer N30)
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Lucas Correia Villa Real (S3C2400 port)
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Document Author
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---------------
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Copyright 2009-2010 Ben Dooks <[email protected]>
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167
Documentation/arm/Samsung/clksrc-change-registers.awk
Executable file
167
Documentation/arm/Samsung/clksrc-change-registers.awk
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#!/usr/bin/awk -f
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#
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# Copyright 2010 Ben Dooks <[email protected]>
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#
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# Released under GPLv2
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# example usage
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# ./clksrc-change-registers.awk arch/arm/plat-s5pc1xx/include/plat/regs-clock.h < src > dst
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function extract_value(s)
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{
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eqat = index(s, "=")
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comat = index(s, ",")
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return substr(s, eqat+2, (comat-eqat)-2)
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}
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function remove_brackets(b)
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{
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return substr(b, 2, length(b)-2)
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}
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function splitdefine(l, p)
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{
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r = split(l, tp)
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p[0] = tp[2]
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p[1] = remove_brackets(tp[3])
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}
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function find_length(f)
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{
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if (0)
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printf "find_length " f "\n" > "/dev/stderr"
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if (f ~ /0x1/)
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return 1
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else if (f ~ /0x3/)
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return 2
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else if (f ~ /0x7/)
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return 3
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else if (f ~ /0xf/)
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return 4
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printf "unknown legnth " f "\n" > "/dev/stderr"
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exit
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}
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function find_shift(s)
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{
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id = index(s, "<")
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if (id <= 0) {
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printf "cannot find shift " s "\n" > "/dev/stderr"
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exit
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}
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return substr(s, id+2)
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}
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BEGIN {
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if (ARGC < 2) {
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print "too few arguments" > "/dev/stderr"
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exit
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}
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# read the header file and find the mask values that we will need
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# to replace and create an associative array of values
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while (getline line < ARGV[1] > 0) {
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if (line ~ /\#define.*_MASK/ &&
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!(line ~ /S5PC100_EPLL_MASK/) &&
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!(line ~ /USB_SIG_MASK/)) {
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splitdefine(line, fields)
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name = fields[0]
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if (0)
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printf "MASK " line "\n" > "/dev/stderr"
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dmask[name,0] = find_length(fields[1])
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dmask[name,1] = find_shift(fields[1])
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if (0)
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printf "=> '" name "' LENGTH=" dmask[name,0] " SHIFT=" dmask[name,1] "\n" > "/dev/stderr"
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} else {
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}
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}
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delete ARGV[1]
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}
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/clksrc_clk.*=.*{/ {
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shift=""
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mask=""
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divshift=""
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reg_div=""
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reg_src=""
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indent=1
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print $0
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for(; indent >= 1;) {
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if ((getline line) <= 0) {
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printf "unexpected end of file" > "/dev/stderr"
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exit 1;
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}
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if (line ~ /\.shift/) {
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shift = extract_value(line)
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} else if (line ~ /\.mask/) {
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mask = extract_value(line)
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} else if (line ~ /\.reg_divider/) {
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reg_div = extract_value(line)
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} else if (line ~ /\.reg_source/) {
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reg_src = extract_value(line)
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} else if (line ~ /\.divider_shift/) {
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divshift = extract_value(line)
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} else if (line ~ /{/) {
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indent++
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print line
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} else if (line ~ /}/) {
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indent--
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if (indent == 0) {
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if (0) {
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printf "shift '" shift "' ='" dmask[shift,0] "'\n" > "/dev/stderr"
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printf "mask '" mask "'\n" > "/dev/stderr"
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printf "dshft '" divshift "'\n" > "/dev/stderr"
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printf "rdiv '" reg_div "'\n" > "/dev/stderr"
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printf "rsrc '" reg_src "'\n" > "/dev/stderr"
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}
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generated = mask
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sub(reg_src, reg_div, generated)
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if (0) {
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printf "/* rsrc " reg_src " */\n"
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printf "/* rdiv " reg_div " */\n"
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printf "/* shift " shift " */\n"
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printf "/* mask " mask " */\n"
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printf "/* generated " generated " */\n"
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}
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if (reg_div != "") {
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printf "\t.reg_div = { "
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printf ".reg = " reg_div ", "
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printf ".shift = " dmask[generated,1] ", "
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printf ".size = " dmask[generated,0] ", "
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printf "},\n"
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}
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printf "\t.reg_src = { "
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printf ".reg = " reg_src ", "
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printf ".shift = " dmask[mask,1] ", "
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printf ".size = " dmask[mask,0] ", "
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printf "},\n"
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}
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print line
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} else {
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print line
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}
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if (0)
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printf indent ":" line "\n" > "/dev/stderr"
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}
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}
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// && ! /clksrc_clk.*=.*{/ { print $0 }
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