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Add a microsecond timer, its declaration, the function to start it,
and its usage. To start it, one calls timer_start(). From that point
on, one can call timer_us() to find microseconds since the timer was
started.
We show its use in the bootblock. You want it started very early.
Finally, the delay.h change having been (ironically) delayed, we
create time.h and have it hold one declaration, for the timer_us() and
timer_start() prototype.
We feel that these two functions should become the hardware specific
functions, allowing us to finally move udelay() into src/lib where it
belongs.
Change-Id: I19cbc2bb0089a3de88cfb94276266af38b9363c5
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/3073
Tested-by: build bot (Jenkins)
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We need these to be inputs so they can be read when populating the coreboot
tables. It seems like a good idea to do this early to ensure that the input
gate capacitance has had a chance to charge, and if we decide to use
actually use that information during the ROM stage to do earlier RW
firmware selection.
It is not guarded by a ChromeOS config variable because those lines are
always intended to be input GPIOs, regardless of whether we're running
ChromeOS or not.
Change-Id: Id76008931b5081253737c6676980a1bdb476ac09
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3067
Tested-by: build bot (Jenkins)
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Change-Id: I34097f878291367b28962048190e11ccaacfc514
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3066
Tested-by: build bot (Jenkins)
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Add basic edp support to the ramstage. Not working.
Change-Id: I15086e03417edca7426c214e67b51719d8ed9341
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/3055
Tested-by: build bot (Jenkins)
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This is a simpler device tree that is also more correct,
and has graphics settings as well.
Change-Id: I342d8be7dddb76e6992876c73f5c625c926977d3
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/3053
Tested-by: build bot (Jenkins)
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This re-factors the Exynos5 I2C code to be simpler and use the
new API, and updates users accordingly.
- i2c_read() and i2c_write() functions updated to take bus number
as an argument.
- Get rid of the EEPROM_ADDR_OVERFLOW stuff in i2c_read() and
i2c_write(). If a chip needs special handling we should take care
of it elsewhere, not in every low-level i2c driver.
- All the confusing bus config functions eliminated. No more
i2c_set_early_config() or i2c_set_bus() or i2c_get_bus(). All this
is handled automatically when the caller does a transaction and
specifies the desired bus number.
- i2c_probe() eliminated. We're not a command-line utility.
- Let the compiler place static variables automatically. We don't need
any of this fancy manual data placement.
- Remove dead code while we're at it. This stuff was ported early on
and much of it was left commented out in case we needed it. Some
also includes nested macros which caused gcc to complain.
- Clean up #includes (no more common.h, woohoo!), replace debug() with
printk().
Change-Id: I8e1f974ea4c6c7db9f33b77bbc4fb16008ed0d2a
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3044
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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The existing header was imported along with the Exynos code and left
mostly unchanged. This is the first patch in a series intended to
replace the imported u-boot I2C API with a much simpler and cleaner
interface:
- We only need to expose i2c_read() and i2c_write() in our public API.
Everything else is board/chip-dependent and should remain hidden
away.
- i2c_read and i2c_write functions will take bus number as an arg
and we'll eliminate i2c_get_bus and i2c_set_bus. Those are prone to
error and end up cluttering the code since the user needs to save
the old bus number, set the new one, do the read/write, and restore
the old value (3 added steps to do a simple transaction).
- Stop setting default values for board-specific things like SPD
and RTC bus numbers (as if we always have an SPD or RTC on I2C).
- Death to all the trivial inline wrappers. And in case there was any
doubt, we really don't care about the MPC8xx. Though if we did then
we would not pollute the public API with its idiosyncrasies.
Change-Id: I4410a3c82ed5a6b2e80e3d8c0163464a9ca7c3b0
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3043
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This moves highly board-specific code out from the Exynos5250
power_init() into Snow's romstage.c. There's no reason the CPU-
specific code should care about which PMIC we are using and
which bus it is on.
Change-Id: I52313177395519cddcab11225fc23d5e50c4c4e3
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3034
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This was a first pass at display port support, we have
realized that it was ultimately a bad path. The display
hardware is intimately tied into a specific cpu and
mainboard combination, and the code has to be elsewhere.
The devicetree formatting is ugly, but it matters not:
it's changing soon.
Change-Id: Iddce54f9e7219a7569315565fac65afbbe0edd29
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/3029
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Auto-select marking the graphics memory as write-combining.
Change-Id: I0b913f0b318bf57275643d3cfb5bc54ca8a005f5
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2982
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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There is a wildcard rule to include mainboard/fadt.c.
Change-Id: I7f59d6b241c683b62c2c41c5795e45184882635e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/2940
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This adds a call to explicitly configure L2 cache (though defaults
should be set correctly).
Change-Id: I120e29c986918c2904a0332e46fcf9f1c5380d85
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2950
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Tested-by: build bot (Jenkins)
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Automatically select CACHE_ROM for all Google boards.
Tested by generating a config for the link board. CACHE_ROM
was selected and was unable to unselect it using
'make oldconfig'.
Change-Id: I8e34207e3929a020bb0280657f95ba7a000ad024
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/2963
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This reverts commit 9427ca151e44644238b1b52138894195a9f5175f
Looks like we were a bit too anxious to see this one get in. The devicetree.cb change seems to have broken things.
coreboot memory table:
0. 0000000050000000-000000005000ffff: RESERVED
1. 00000000bff00000-00000000bfffffff: CONFIGURATION TABLES
2. 0000014004000000-00000140044007ff: RESERVED
Before this patch:
coreboot memory table:
0. 0000000040000000-00000000bfefffff: RAM
1. 00000000bff00000-00000000bfffffff: CONFIGURATION TABLES
Change-Id: I618e4f1976265d56cfd6a61d0c5736c55a0f3cec
Reviewed-on: http://review.coreboot.org/2914
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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This does NOT turn on the graphics.
The device tree has been changed enough so that, at the very least, the correct
functions are called at the correct time, with the correct paramaters. We
decided to yank the I2C entries as they did not obvious function and might
not even have been correct.
Not working, seemingly, but we need to add a 4M resource for
memory, and it seems it needs to be fixed at the address shown.
This address was chosen from current hardware.
We realized that the display code should be part of the cpu -- that's how
the hardware works!
Change-Id: Ied65a554f833566be817540702f79a02e7b6cb6e
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2615
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
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This adds new MMU setup code. Most notably, this version uses
cbmem_add() to determine the translation table base address, which
in turn is necessary to ensure payloads which wipe memory can tell
which regions to wipe out.
TODOs:
- Finish cleaning up references to old cache/MMU stuff
- Add L2 setup (from exynos_cache.c)
- Set up ranges dynamically rather than in ramstage's main().
Change-Id: Iba5295a801e8058a3694e4ec5b94bbe9a69d3ee6
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2877
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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coreboot tables are, unlike general system tables, a platform
independent concept. Hence, use the same code for coreboot table
generation on all platforms. lib/coreboot_tables.c is based
on the x86 version of the file, because some important fixes
were missed on the ARMv7 version lately.
Change-Id: Icc38baf609f10536a320d21ac64408bef44bb77d
Signed-off-by: Stefan Reinauer <reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/2863
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@google.com>
Tested-by: build bot (Jenkins)
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Here's the great news: From now on you don't have to worry about
hitting the right io.h include anymore. Just forget about romcc_io.h
and use io.h instead. This cleanup has a number of advantages, like
you don't have to guard device/ includes for SMM and pre RAM
anymore. This allows to get rid of a number of ifdefs and will
generally make the code more readable and understandable.
Potentially in the future some of the code in the io.h __PRE_RAM__
path should move to device.h or other device/ includes instead,
but that's another incremental change.
Change-Id: I356f06110e2e355e9a5b4b08c132591f36fec7d9
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2872
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Force link speed on these platforms to 3 Gbps to defeat buggy SATA
drives.
Change-Id: Ia38a7c486fb1f4469cd67ca5244bbf61f877d556
Signed-off-by: Shawn Nematbakhsh <shawnn@google.com>
Reviewed-on: http://review.coreboot.org/2823
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This code is taken from an EDID reader written at Red Hat.
The key function is
int decode_edid(unsigned char *edid, int size, struct edid *out)
Which takes a pointer to an EDID blob, and a size, and decodes it into
a machine-independent format in out, which may be used for driving
chipsets. The EDID blob might come for IO, or a compiled-in EDID
BLOB, or CBFS.
Also included are the changes needed to use the EDID code on Link.
Change-Id: I66b275b8ed28fd77cfa5978bdec1eeef9e9425f1
Signed-off-by: Ronald G. Minnich <rminnich@google.com>
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2837
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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This is a new state machine. It is more programmatic, in the
case of auxio, and has much more symbolic naming, and very few
"magic" numbers, except in the case of undocumented settings.
As before, the 'pre-computed' IO ops are encoded in the iodefs
table. A function, run, is passed and index into the table and
runs the ops.
A new operator, I, has been added. When the I operator is hit,
run() returns the index of the next operator in the table.
The i915lightup function runs the table. All the AUX channel ops
have been removed from the table, however, and are now called as
functions, using the previously committed auxio function.
The iodefs table has been grouped into blocks of ops, which end in
an I operator. As the lightup function progresses through startup,
and the run() returns, the lightup function performs aux channel
operations.
This code is symbolic enough, I hope, that it will make haswell
graphics bringup simpler.
i915io.c, and the core of the code in i915lightup.c, were
programatically generated, starting with IO logs from the DRM
startup code in the kernel. It is possible to apply the tools that
do this generation to newer IO logs from the kernel.
Change-Id: I8a8e121dc0d9674f0c6a866343b28e179a1e3d8a
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2836
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Add a new operator, P, for the state machine, meaning
implement a palette fill.
Implement a function (palette) that fills the palette when the
P operator is hit.
This replaces 256 lines in the state machine table with 1.
Change-Id: I67d9219fe7de0ecf1fb9faf92130c00c9f5f8e88
Signed-off-by: Ronald G. Minnich <rminnich@google.com>
Reviewed-on: http://review.coreboot.org/2835
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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For full integration of FUI into coreboot, we need aux channel
communcations. The intel_dp.c is a file taken from Linux and is
used for aux channel comms. This file has been cut down to work
with coreboot. For now it is associated with the link mainboard
until we get a better handle on how this all fits together. This
code is almost certainly usable on other platforms in the long term.
But one step at a time.
Change-Id: I7be4c56e0a7903f3901ac86e12b28f3bdc0f7947
Signed-off-by: Ronald G. Minnich <rminnich@google.com>
Reviewed-on: http://review.coreboot.org/2834
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This adds a new API for cache maintenance operations. The idea is
to be more explicit about operations that are going on so it's easier
to manage branch predictor, cache, and TLB cleans and invalidations.
Also, this adds some operations that were missing but required early
on, such as branch predictor invalidation. Instruction and sync
barriers were wrong earlier as well since the imported API assumed
we compield with -march=armv5 (which we don't) and was missing
wrappers for the native ARMv7 ISB/DSB/DMB instructions.
For now, this is a start and it gives us something we can easily use
in libpayload for doing things like cleaning and invalidating dcache
when doing DMA transfers.
TODO:
- Set cache policy explicitly before re-enabling. Right now it's left
at default.
- Finish deprecating old cache maintenance API.
- We do an extra icache/dcache flush when going from bootblock to
romstage.
Change-Id: I7390981190e3213f4e1431f8e56746545c5cc7c9
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2729
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This fixes a trivial error with the recovery mode GPIO index.
Change-Id: I7290c1e23cdddaf91c9021d4e4252c0c772b6eab
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2825
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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A fix to eliminate warnings when building romstage files with ChromeOS
compilers
Change-Id: Ia5d7bbdde3aa3439fd493f5795f2cc2bf4c4c187
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/2781
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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We're happy to announce coreboot support for the "Stout"
Chromebook, a.k.a Lenovo X131e Chromebook.
Change-Id: I9b995f8d0dd48e41c788b7c3d35b4fac5840e425
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2636
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This enables branch prediction. We can probably find a better place
to do this, but for now we'll do it in snow's romstage main().
Change-Id: I86c7b6bc9e897a7a432c490fb96a126e81b8ce72
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2701
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Since commit »Drop redundant CHIP_NAME in mainboard.c« (a93c3fe7) [1]
`CHIP_NAME` is unneeded for mainboards as the name is composed
automatically in `src/devices/root_device.c` from the strings in
Kconfig.
Unfortunately the ports for Google Butterfly, Link and Parrot as
as well as IEI PM-LX2-800-R10 introduced CHIP_NAME again. So drop
it again too.
[1] http://review.coreboot.org/1635
Change-Id: Ice7577a2a5c6070e196f2647c440b7a8e140e27e
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2708
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Call the power_init() function. We appear to have forgotten about it
when deprecating lowlevel_init_subsystems(), but it didn't seem to
cause problems until we got to doing more interesting stuff recently.
There are some clean-ups to do from the original code, such as not
attempting to configure I2C from PMIC code, which we'll get around
to in follow-up patches.
(Credit to Gabe for spotting this)
Change-Id: I6a59379e9323277d0b61469de9abe6d651ac5bfb
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2699
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This is previously used exception code from libpayload.
On startup it installs and then tests an exception handler.
The test is an unaligned memory operation.
Yes, we've seen what might be exceptions in the ramstage, and
it makes sense to handle them. This code is identical in structure
and operation to the previously committed payload exception handler,
though we reserve the right to change it as circumstances require.
The remaining question is whether we need it in romstage.
Change-Id: I24484686c33c9757af8ba171ebae9773828fb69d
Signed-off-by: Gabe Black <gabeblack@google.com>
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2614
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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This adds some real GPIO mappings where virtual GPIOs were used before.
Change-Id: I25d4be45f986c8d622b97151f8bdae2651baf3e6
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2603
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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cosmetics
Change-Id: Iea33768d901641861aa7b2c76af8753a848f584d
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2601
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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These are essential functions for setting up the display port and
framebuffer, and also enable such things as aux channel
communications. We do some very simple initialization in romstage,
mainly set a GPIO so that the graphics is powering up, but the complex
parts are done in the ramstage. This mirrors the way in which graphics
is done in the x86 size.
I've added a first pass at a real device, and put it in the mainboard
Kconfig, hoping for corrections. Because startup is so complex,
depending on device type, I've created a 'displayport' device that
removes some of the complexity and makes the flow *much* clearer. You
can actually follow the flow by looking at the code, which is not true
on other implementations. Since display port is perhaps the main port
used on these chips, that's a reasonable compromise. All parameters of
importance are now in the device tree.
Change-Id: I56400ec9016ecb8716ec5a5dae41fdfbfff4817a
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2570
Tested-by: build bot (Jenkins)
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Set up the clocks used for sound and turn on the sound clock.
Change-Id: Ic59bfa9ae87116299503e6d25aeefba98c842fb8
Signed-off-by: Gabe Black <gabeblack@google.com>
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2587
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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The MMC0 on google/snow can run in 8 bit mode. To simplify driver development,
we thought disabling it (using zero, which runs in 1-bit / 4-bit mode) may help.
However, after some experiments in payload drivers, setting pinmux to 8 bit mode
can still allow MMC to run in 1-bit / 4-bit mode, so it's pretty safe to enable
8 bit mode by default for better performance.
Verified to boot on google/snow, and got MMC0 working.
Change-Id: Ic0acc723fe6a8aecf373429d3801beadd70815d9
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2585
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
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The SD/MMC interface on Exynos 5250 must be first configured with, GPIO, and
pinmux settings before it can be detected and used in ramstage / payload.
Verified on armv7/snow and successfully boot into ramstage.
Change-Id: I26669eaaa212ab51ca72e8b7712970639a24e5c5
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: http://review.coreboot.org/2561
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This allows to drop some special cases in romstage.c
Change-Id: I53fdfcd1bb6ec21a5280afa07a40e3f0cba11c5d
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2551
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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It's not used, and not needed.
Change-Id: Ifca92f3606ac58fc26e09676488c3add5d84ae79
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2548
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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It's been on for all boards per default since several years now
and the old code path probably doesn't even work anymore. Let's
just have one consistent way of doing things.
Change-Id: I58da7fe9b89a648d9a7165d37e0e35c88c06ac7e
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2547
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Add two more GPIOs (total 6) as needed by the Google Snow laptop.
These are faking out settings for now. This code is tested and working.
Change-Id: I2077ffb8b85958eefdf54e19763d57cc1178ce89
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2538
Reviewed-by: Peter Stuge <peter@stuge.se>
Tested-by: build bot (Jenkins)
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These were not separable or it would have been two CLs.
Enable CHROMEOS configure option on snow. Write gpio support code for
the mainboard. Right now the GPIO just returns hard-wired values for
"virtual" GPIOs.
Add a chromeos.c file for snow, needed to build.
This is tested and creates gpio table entries that our hardware can use.
Lots still missing but we can now start to fill in the blanks, since
we have enabled CHROMEOS for this board. We are getting further into
the process of actually booting a real kernel.
Change-Id: I5fdc68b0b76f9b2172271e991e11bef16f5adb27
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2467
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Ladies and gentlemen, I'm very happy to announce coreboot support for
the latest and greatest Google Chromebook: The Chromebook Pixel.
See the link below for more information on the Chromebook Pixel, and
its exciting specs:
http://www.google.com/intl/en/chrome/devices/chromebooks.html#pixel
The device is running coreboot and open source firmware on the EC
(see ChromeEC commit for more information on that exciting topic)
Change-Id: I03d00cf391bbb1a32f330793fe9058493e088571
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/2482
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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At the request of Paul Menzel, I reran an
old classic of a coccinelle script:
@@
expression E;
@@
-(E + 7) & -8
+ALIGN(E, 8)
@@
expression E;
@@
-(E + 15) & -16
+ALIGN(E, 16)
Change-Id: I01da31b241585e361380f75aacf3deddb13d11c3
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/2487
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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This patch will cause the resource allocator to actually set aside
the memory resources using methods in the previous patch. The coreboot
table output will include "RAM" entries (there were none before):
coreboot memory table:
0. 0000000040400000-00000000bff001ff: RAM
1. 00000000bff00200-00000000bff00fff: CONFIGURATION TABLES
2. 00000000bff01000-00000000bfffffff: RAM
Change-Id: I5cd76e93fc232fdae1754253efb4e9269b3a20c0
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2420
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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»Chromebook« is the official spelling [1]. So correct that with
the following command.
$ git grep -l ChromeBook | xargs sed -i s,ChromeBook,Chromebook,
The incorrect spelling was only used for the chip name.
[1] http://www.google.com/intl/en/chrome/devices/hp-pavilion-chromebook.html#hp-pav
Change-Id: I9c19f399a3e3d36bd644ec375822daa384a14961
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2370
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Marc Jones <marcj303@gmail.com>
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Change-Id: I3729f9bf66fcd72fa8870bb56a9c253a7368c774
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/2371
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Marc Jones <marcj303@gmail.com>
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The name lapic_cluster is a bit misleading, since the construct is not local
APIC specific by concept. As implementations and hardware change, be more
generic about our naming. This will allow us to support non-x86 systems without
adding new keywords.
Change-Id: Icd7f5fcf6f54d242eabb5e14ee151eec8d6cceb1
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2377
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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This was omitted earlier while we were debugging DRAM code (0a5bc7f).
It was likely broken due to inconsistent units earlier on. Now that
things are cleaned up and working, let's add it back in.
Change-Id: I2f356355c98b2896e2371fa63b9c9f20ae76d634
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2379
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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These were left over from earlier debugging and are no longer
needed. They don't indicate any status or useful info (other
than which line of code has been executed). Error messages are
available in case something needs attention.
Change-Id: Ie09fac29c42908cb8924169e56d8927fb76f02da
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2386
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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