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r: 187433
b: refs/heads/master
c: 2f68ffd
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  187431: 3ee0719
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Russell King committed Feb 15, 2010
1 parent f757aba commit e0e84f6
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: a602f0f2f04f150fa1f7312b9e601e8e1a5afe10
refs/heads/master: 2f68ffd11aa76b251921976c982b814df9ebe890
86 changes: 86 additions & 0 deletions trunk/Documentation/arm/Samsung/Overview.txt
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Samsung ARM Linux Overview
==========================

Introduction
------------

The Samsung range of ARM SoCs spans many similar devices, from the initial
ARM9 through to the newest ARM cores. This document shows an overview of
the current kernel support, how to use it and where to find the code
that supports this.

The currently supported SoCs are:

- S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
- S3C64XX: S3C6400 and S3C6410
- S5PC6440

S5PC100 and S5PC110 support is currently being merged


S3C24XX Systems
---------------

There is still documentation in Documnetation/arm/Samsung-S3C24XX/ which
deals with the architecture and drivers specific to these devices.

See Documentation/arm/Samsung-S3C24XX/Overview.txt for more information
on the implementation details and specific support.


Configuration
-------------

A number of configurations are supplied, as there is no current way of
unifying all the SoCs into one kernel.

s5p6440_defconfig - S5P6440 specific default configuration
s5pc100_defconfig - S5PC100 specific default configuration


Layout
------

The directory layout is currently being restructured, and consists of
several platform directories and then the machine specific directories
of the CPUs being built for.

plat-samsung provides the base for all the implementations, and is the
last in the line of include directories that are processed for the build
specific information. It contains the base clock, GPIO and device definitions
to get the system running.

plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently
involved in other builds this will be phased out once the relevant code is
moved elsewhere.

plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.

plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs.

plat-s5p is for s5p specific builds, more to be added.


[ to finish ]


Port Contributors
-----------------

Ben Dooks (BJD)
Vincent Sanders
Herbert Potzl
Arnaud Patard (RTP)
Roc Wu
Klaus Fetscher
Dimitry Andric
Shannon Holland
Guillaume Gourat (NexVision)
Christer Weinigel (wingel) (Acer N30)
Lucas Correia Villa Real (S3C2400 port)


Document Author
---------------

Copyright 2009-2010 Ben Dooks <ben-linux@fluff.org>
167 changes: 167 additions & 0 deletions trunk/Documentation/arm/Samsung/clksrc-change-registers.awk
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#!/usr/bin/awk -f
#
# Copyright 2010 Ben Dooks <ben-linux@fluff.org>
#
# Released under GPLv2

# example usage
# ./clksrc-change-registers.awk arch/arm/plat-s5pc1xx/include/plat/regs-clock.h < src > dst

function extract_value(s)
{
eqat = index(s, "=")
comat = index(s, ",")
return substr(s, eqat+2, (comat-eqat)-2)
}

function remove_brackets(b)
{
return substr(b, 2, length(b)-2)
}

function splitdefine(l, p)
{
r = split(l, tp)

p[0] = tp[2]
p[1] = remove_brackets(tp[3])
}

function find_length(f)
{
if (0)
printf "find_length " f "\n" > "/dev/stderr"

if (f ~ /0x1/)
return 1
else if (f ~ /0x3/)
return 2
else if (f ~ /0x7/)
return 3
else if (f ~ /0xf/)
return 4

printf "unknown legnth " f "\n" > "/dev/stderr"
exit
}

function find_shift(s)
{
id = index(s, "<")
if (id <= 0) {
printf "cannot find shift " s "\n" > "/dev/stderr"
exit
}

return substr(s, id+2)
}


BEGIN {
if (ARGC < 2) {
print "too few arguments" > "/dev/stderr"
exit
}

# read the header file and find the mask values that we will need
# to replace and create an associative array of values

while (getline line < ARGV[1] > 0) {
if (line ~ /\#define.*_MASK/ &&
!(line ~ /S5PC100_EPLL_MASK/) &&
!(line ~ /USB_SIG_MASK/)) {
splitdefine(line, fields)
name = fields[0]
if (0)
printf "MASK " line "\n" > "/dev/stderr"
dmask[name,0] = find_length(fields[1])
dmask[name,1] = find_shift(fields[1])
if (0)
printf "=> '" name "' LENGTH=" dmask[name,0] " SHIFT=" dmask[name,1] "\n" > "/dev/stderr"
} else {
}
}

delete ARGV[1]
}

/clksrc_clk.*=.*{/ {
shift=""
mask=""
divshift=""
reg_div=""
reg_src=""
indent=1

print $0

for(; indent >= 1;) {
if ((getline line) <= 0) {
printf "unexpected end of file" > "/dev/stderr"
exit 1;
}

if (line ~ /\.shift/) {
shift = extract_value(line)
} else if (line ~ /\.mask/) {
mask = extract_value(line)
} else if (line ~ /\.reg_divider/) {
reg_div = extract_value(line)
} else if (line ~ /\.reg_source/) {
reg_src = extract_value(line)
} else if (line ~ /\.divider_shift/) {
divshift = extract_value(line)
} else if (line ~ /{/) {
indent++
print line
} else if (line ~ /}/) {
indent--

if (indent == 0) {
if (0) {
printf "shift '" shift "' ='" dmask[shift,0] "'\n" > "/dev/stderr"
printf "mask '" mask "'\n" > "/dev/stderr"
printf "dshft '" divshift "'\n" > "/dev/stderr"
printf "rdiv '" reg_div "'\n" > "/dev/stderr"
printf "rsrc '" reg_src "'\n" > "/dev/stderr"
}

generated = mask
sub(reg_src, reg_div, generated)

if (0) {
printf "/* rsrc " reg_src " */\n"
printf "/* rdiv " reg_div " */\n"
printf "/* shift " shift " */\n"
printf "/* mask " mask " */\n"
printf "/* generated " generated " */\n"
}

if (reg_div != "") {
printf "\t.reg_div = { "
printf ".reg = " reg_div ", "
printf ".shift = " dmask[generated,1] ", "
printf ".size = " dmask[generated,0] ", "
printf "},\n"
}

printf "\t.reg_src = { "
printf ".reg = " reg_src ", "
printf ".shift = " dmask[mask,1] ", "
printf ".size = " dmask[mask,0] ", "

printf "},\n"

}

print line
} else {
print line
}

if (0)
printf indent ":" line "\n" > "/dev/stderr"
}
}

// && ! /clksrc_clk.*=.*{/ { print $0 }
4 changes: 2 additions & 2 deletions trunk/Documentation/fault-injection/fault-injection.txt
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Expand Up @@ -143,8 +143,8 @@ o provide a way to configure fault attributes
failslab, fail_page_alloc, and fail_make_request use this way.
Helper functions:

init_fault_attr_entries(entries, attr, name);
void cleanup_fault_attr_entries(entries);
init_fault_attr_dentries(entries, attr, name);
void cleanup_fault_attr_dentries(entries);

- module parameters

Expand Down
49 changes: 49 additions & 0 deletions trunk/Documentation/feature-removal-schedule.txt
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Expand Up @@ -493,3 +493,52 @@ Why: These two features use non-standard interfaces. There are the
Who: Corentin Chary <corentin.chary@gmail.com>

----------------------------

What: usbvideo quickcam_messenger driver
When: 2.6.35
Files: drivers/media/video/usbvideo/quickcam_messenger.[ch]
Why: obsolete v4l1 driver replaced by gspca_stv06xx
Who: Hans de Goede <hdegoede@redhat.com>

----------------------------

What: ov511 v4l1 driver
When: 2.6.35
Files: drivers/media/video/ov511.[ch]
Why: obsolete v4l1 driver replaced by gspca_ov519
Who: Hans de Goede <hdegoede@redhat.com>

----------------------------

What: w9968cf v4l1 driver
When: 2.6.35
Files: drivers/media/video/w9968cf*.[ch]
Why: obsolete v4l1 driver replaced by gspca_ov519
Who: Hans de Goede <hdegoede@redhat.com>

----------------------------

What: ovcamchip sensor framework
When: 2.6.35
Files: drivers/media/video/ovcamchip/*
Why: Only used by obsoleted v4l1 drivers
Who: Hans de Goede <hdegoede@redhat.com>

----------------------------

What: stv680 v4l1 driver
When: 2.6.35
Files: drivers/media/video/stv680.[ch]
Why: obsolete v4l1 driver replaced by gspca_stv0680
Who: Hans de Goede <hdegoede@redhat.com>

----------------------------

What: zc0301 v4l driver
When: 2.6.35
Files: drivers/media/video/zc0301/*
Why: Duplicate functionality with the gspca_zc3xx driver, zc0301 only
supports 2 USB-ID's (because it only supports a limited set of
sensors) wich are also supported by the gspca_zc3xx driver
(which supports 53 USB-ID's in total)
Who: Hans de Goede <hdegoede@redhat.com>
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