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linux_dsm_epyc7002/Documentation/arm/setup.rst

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docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
=============================================
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
Kernel initialisation parameters on ARM Linux
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
=============================================
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
The following document describes the kernel initialisation parameter
structure, otherwise known as 'struct param_struct' which is used
for most ARM Linux architectures.
This structure is used to pass initialisation parameters from the
kernel loader to the Linux kernel proper, and may be short lived
through the kernel initialisation process. As a general rule, it
should not be referenced outside of arch/arm/kernel/setup.c:setup_arch().
There are a lot of parameters listed in there, and they are described
below:
page_size
This parameter must be set to the page size of the machine, and
will be checked by the kernel.
nr_pages
This is the total number of pages of memory in the system. If
the memory is banked, then this should contain the total number
of pages in the system.
If the system contains separate VRAM, this value should not
include this information.
ramdisk_size
This is now obsolete, and should not be used.
flags
Various kernel flags, including:
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
===== ========================
bit 0 1 = mount root read only
bit 1 unused
bit 2 0 = load ramdisk
bit 3 0 = prompt for ramdisk
===== ========================
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
rootdev
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
major/minor number pair of device to mount as the root filesystem.
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
video_num_cols / video_num_rows
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
These two together describe the character size of the dummy console,
or VGA console character size. They should not be used for any other
purpose.
It's generally a good idea to set these to be either standard VGA, or
the equivalent character size of your fbcon display. This then allows
all the bootup messages to be displayed correctly.
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
video_x / video_y
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
This describes the character position of cursor on VGA console, and
Fix simple typos This corrects some trivial errors in ARM docs and comments, Signed-off-by: Adrian Bunk <bunk@stusta.de>
2006-03-25 00:13:37 +07:00
is otherwise unused. (should not be used for other console types, and
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
should not be used for other purposes).
memc_control_reg
MEMC chip control register for Acorn Archimedes and Acorn A5000
based machines. May be used differently by different architectures.
sounddefault
Default sound setting on Acorn machines. May be used differently by
different architectures.
adfsdrives
Number of ADFS/MFM disks. May be used differently by different
architectures.
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
bytes_per_char_h / bytes_per_char_v
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
These are now obsolete, and should not be used.
pages_in_bank[4]
Number of pages in each bank of the systems memory (used for RiscPC).
This is intended to be used on systems where the physical memory
is non-contiguous from the processors point of view.
pages_in_vram
Number of pages in VRAM (used on Acorn RiscPC). This value may also
be used by loaders if the size of the video RAM can't be obtained
from the hardware.
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
initrd_start / initrd_size
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
This describes the kernel virtual start address and size of the
initial ramdisk.
rd_start
Start address in sectors of the ramdisk image on a floppy disk.
system_rev
system revision number.
docs: arm: convert docs to ReST and rename to *.rst Converts ARM the text files to ReST, preparing them to be an architecture book. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by Corentin Labbe <clabbe.montjoie@gmail.com> # For sun4i-ss
2019-04-15 01:51:10 +07:00
system_serial_low / system_serial_high
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 05:20:36 +07:00
system 64-bit serial number
mem_fclk_21285
The speed of the external oscillator to the 21285 (footbridge),
which control's the speed of the memory bus, timer & serial port.
Depending upon the speed of the cpu its value can be between
0-66 MHz. If no params are passed or a value of zero is passed,
then a value of 50 Mhz is the default on 21285 architectures.
paths[8][128]
These are now obsolete, and should not be used.
commandline
Kernel command line parameters. Details can be found elsewhere.
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