Commit Graph

9349 Commits

Author SHA1 Message Date
Alexandru Gagniuc 1b4cbafe1d cpu/allwinner/a10: Clarify positioning of boot stages
This fixes a number of potential issues, such as generating a build
failure if the bootblock is too large, and making sure romstage and
ramstage cannot overlap in memory.

Change-Id: I4ca9ad097b145445316bcd962e007731b08a7fda
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4687
Tested-by: build bot (Jenkins)
2014-01-14 14:15:25 +01:00
Alexandru Gagniuc 93b600ded7 cubieboard: Setup CPU clock in romstage and load ramstage
This completes the romstage for the cubieboard.

Change-Id: If3272d8a9e414f782892bc41b34b5e2dece5d7e1
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4686
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-14 14:15:12 +01:00
Alexandru Gagniuc 601b5b5302 cpu/allwinner/a10: Add helper to configure CPU clock
Change-Id: I5a3bb3220aeefdd6822a7dbecf210ff77095dad6
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4685
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-14 14:14:58 +01:00
Alexandru Gagniuc 594ef81326 lib: Add log2 ceiling function
Change-Id: Ifb41050e729a0ce314e4d4918e46f82bc7e16bed
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4684
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-14 14:14:46 +01:00
Alexandru Gagniuc 3dd0e72d3b lib/hexdump: Take const void * and size_t as arguments
Representing a memory location as an unsigned long is specific to
32-bit architectures. It also doesn't make sense to represent a length
assumed to be positive as a signed integer. With this change, it is no
longer necessary to cast a pointer to unsigned long when passing it to
hexdump.

Change-Id: I641777d940ceac6f37c363051f1e9c1b3ec3ed95
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4575
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-14 08:07:44 +01:00
Alexandru Gagniuc 8e053afa86 cubieboard: Configure system voltages from devicetree
Change-Id: I93bac9bf94f5bafcd3ff0c3d5763b31d3ee9959b
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4640
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 06:25:01 +01:00
Alexandru Gagniuc abe9b81e83 xpowers/axp209: Add helper to set voltages from devicetree config
Change-Id: I3ffe225b78f88c3c2d3a15292c43009e69413afb
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4638
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 06:24:54 +01:00
Alexandru Gagniuc af4bd599ca lib: Make log2() available in romstage on ARM, not just x86
On x86, log2() is defined as an inline function in arch/io.h. This is
a remnant of ROMCC, and forced us to not include clog2.c in romstage.
As a result, romstage on ARM has no log2().
Use the inline log2 only with ROMCC, but otherwise, use the one in
clog2.c.

Change-Id: Ifef2aa0a7b5a1db071a66f2eec0be421b8b2a56d
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4681
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 04:03:06 +01:00
Alexandru Gagniuc 910ce01757 cpu/allwinner/a10: Provide utility to make a bootable image
Up until now, we relied on mksunxiboot to prepend the header which
makes coreboot.rom bootable on Allwinner SoCs. If that tool was not
present, the build silently failed.

Integrate this tool into our util/ package, so that we do not have to
rely on mksunxiboot being in PATH.
Our version of mksunxiboot also eliminates some limitations of the
original tool, so we no longer have to use 'dd' to limit the file
size.

Change-Id: Id5a4b1e2a3cb00cd1d6c70e6cbc3cfd8587e8a24
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4656
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 04:03:00 +01:00
Alexandru Gagniuc d7b07af621 cpu/allwinner/a10: Clean up include order in Makefile.inc
Alphabetize the sources for each stage (bootblock, rom, ram), and
include twi.c in both romstage and ramstage.

Change-Id: I5526f5a66f6600560005731a3ee536eb858f4ff0
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4639
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 04:02:48 +01:00
Alexandru Gagniuc 4d3a89d72a xpowers/axp209: Allow voltages to be sepecified in devicetree.cb
This allows system voltages to be specified uniformly, rather than
hardcoding them for each board. This will be used by cubieboard in an
upcoming patch.

Change-Id: I9dc2d3281d076c359c3fad13688649f7d36c0001
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4637
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 04:02:12 +01:00
Alexandru Gagniuc 428eeff923 drivers: Add support for X-Powers AXP209 PMU
Change-Id: I1de0e656a38527b172af1d0b5bcd97acbfc03bf0
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4591
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-13 04:01:48 +01:00
Vladimir Serbinenko 066dcec2fe drivers/spi/eon: Add EN25Q64
chip found in X230 if not using hardware sequencing.

Change-Id: I6ded10d35bfdbbe3d54c4170dd7846c7833f5ff7
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4616
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:07:02 +01:00
Vladimir Serbinenko 09b65e6391 X60: Enable WWAN by default.
Change-Id: I8e51a8fc03c1d7dbbdc11b121b3ea3ec18f65a5a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4670
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:06:38 +01:00
Vladimir Serbinenko ea9181c76a acpi/ec: Add missing delays
Without these delays on fast systems like X230 the port is read before it's
updated.

Change-Id: I3e01fc348cc5170cec108a05095ba301055ed6b0
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4617
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:06:06 +01:00
Vladimir Serbinenko c2ee6801e8 sandybridge: Use calls rather than asm to call to MRC.
Using asm as it's done currently is unsafe because caller-saved registers
are not declared as clobbered.

Using real call is nicer.

regparm((1)) ensures that argument is passed in %eax as expected.

Change-Id: I7449182582eaa53d4e473bc834b472edd8ee0d30
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4675
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:04:38 +01:00
Vladimir Serbinenko f3c3dae580 ec/lenovo/h8: Add backlight control.
Change-Id: I773793bf53d91ae787bd0d0ae7bd882243196d56
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4678
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:04:27 +01:00
Vladimir Serbinenko eada34faaa ec/lenovo/h8: Make trackpoint enable a CMOS option.
To be consistent with touchpad counterpart.

Change-Id: I72d09b41b964f80a81fbf409ef69dd368834a3e2
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4654
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:04:15 +01:00
Vladimir Serbinenko 1eda31c0a7 ec/lenovo/h8: Remove trackpoint_enable from device tree.
Change-Id: I6652e0ad4e0179950f775bbd0200484907bfc976
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4653
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:04:06 +01:00
Vladimir Serbinenko 8e7e5254e4 ec/lenovo/h8: make wlan config a CMOS option
To stay in line with wwan and bluetooth.

Change-Id: Iafe2dc97fc2aec5c2ad1834659b796a6b079c1bc
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4652
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:03:56 +01:00
Vladimir Serbinenko add3f7fda2 ec/lenovo/h8: Allow control of low-battery beep.
Change-Id: I2f422e83f2afcf0cc3f3ecbace01a8f4f39e87d4
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4663
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:03:46 +01:00
Vladimir Serbinenko 9a3b9c42d3 ec/lenovo/h8: Allow user to disable powermanagement beeps.
They're pretty annoying.

Change-Id: I44d26dc168927a9cedfd6ecc4c9a51a3a7b362c7
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4662
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:03:33 +01:00
Vladimir Serbinenko 6d6298dddc ibexpeak / bd82x6x: Make SATA mode user-visible option.
Ability to choose compatibility mode is interesting for testing payloads and
OS for compatibility with older systems.

As per comments
"ide_legacy_combined # TODO: Does nothing since
		      generations, remove from sb code?"
The "combined" mode was removed. It wasn't used by any mobo and the code for
it is almost identical to IDE one other than few bits relating to interrupt
handling and ISA mode.

Change-Id: I407a8fac753b513812a86bef5abcf39c6d81472e
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4658
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:03:23 +01:00
Vladimir Serbinenko 2dd601efaf ibexpeak: Fix timings for IDE mode.
Change-Id: I3c89bb633c32a2c2db349cb4fcbe1ed1c8deb5af
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4657
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 18:03:13 +01:00
Vladimir Serbinenko 11a7c84f85 ec/lenovo/h8: Implement sticky Fn option.
Useful for accessibility.

Sticky modifier (sticky Fn) is a behaviour of modifier key when
you don't have to hold it pressed to achieve the result. E.g.
with normal Fn brightness up is:
<Press Fn> <Press Home> <Despress Home> <Depress Fn>
With sticky Fn you can do:
<Press Fn> <Depress Fn> <Press Home> <Despress Home>

Change-Id: I4da5adcea02428d936023891de08684cae77c44e
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4661
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 17:42:28 +01:00
Vladimir Serbinenko fc7090b249 ec/lenovo/h8: Add an option to swap ctrl and fn.
Tested on my X201 and X230.

Change-Id: I3c7ec65681157d15c6e87eea64779a08e03ae5a8
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4660
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-12 17:42:11 +01:00
Vladimir Serbinenko 1287416822 CBFS: use cbfs_get_file_content whenever possible rather than cbfs_get_file
Number one reason to use cbfs_get_file was to get file length.
With previous patch no more need for this.

Change-Id: I330dda914d800c991757c5967b11963276ba9e00
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4674
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)
2014-01-12 17:41:58 +01:00
Vladimir Serbinenko 0af61b6c82 lib/cbfs_core.c: Supply size of file as well in cbfs_get_file_content
Change-Id: I5b93e5321e470f19ad22ca2cfdb1ebf3b340b252
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4659
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)
2014-01-12 17:41:02 +01:00
Vladimir Serbinenko e4ac9c043a ec/lenovo/h8: Remove wlan_enable and wwan_enable from device tree.
wwan_enable was never used.
wlan_enable isn't something for device tree but for CMOS config if at all.

Change-Id: I765d9d6f0b73b7dc5a57c0c630a53b4b7a0b48cb
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4651
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-12 12:07:36 +01:00
Paul Menzel cd47740844 arch/x86/acpi/globutil.asl: Make control method `S2BF` serialized
This changes eliminates a warning from the ASL compiler.

Change-Id: I502cca731b6b4cd3e17c57fc191f1eed10a5a1fe
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/4093
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
2014-01-12 03:44:55 +01:00
Paul Menzel 8ebc72cdda util/cbmem/Makfile: Add rule `junit.xml` for Jenkins
The rule has the target `junit.xml` and runs `make clean` and `make` and
logs the result in the file `junit.xml` suitable for consumption by
Jenkins.

Change-Id: I42a31f6c7a45fa9c3773969d78f745fcc4e09dbd
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/4611
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-11 17:40:38 +01:00
Patrick Georgi a151c12329 3rdparty: update to current HEAD
It includes a sandybridge fix.

Change-Id: I84ff1ac1622b10a4a4aa42517bac0c024c386998
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4642
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-01-11 10:57:34 +01:00
Patrick Georgi 08fec46058 lint: check label style only on changed files
This should probably propagate to the other lint checks.
The idea: only enforce style on files that were at least touched
by the developer.

Change-Id: I5ac690ee726e27e80e790fa9a41cd14b84ad2161
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4644
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-01-11 10:56:54 +01:00
Patrick Georgi 5d1ada0f64 intel/fsp: Fix microcode including
IS_ENABLED() requires the full define (incl. CONFIG_ prefix)
but isn't needed here.

Change-Id: I91d504367c75ce3fcecc6fa2499afaa0896595d3
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/4646
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
2014-01-11 09:46:47 +01:00
Vladimir Serbinenko 54124d3e56 Remove sprintf
Remove sprintf as if you can't easily use snprintf then you probably
have buffer overflow.

Change-Id: Ic4570e099a52d743aca938a2bfadb95981adc503
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4280
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-10 18:08:31 +01:00
Vladimir Serbinenko a37383db80 Replace all occurences of sprintf with snprintf
THis reduces risks of bufer overflows.

Change-Id: I77f80e76efec16ac0a0af83d76430a8126a7602d
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4279
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2014-01-10 18:08:16 +01:00
Vladimir Serbinenko 4b5012a4a2 console/vsprintf: Implement snprintf
snprintf is a safe variant of sprintf. To avoid buffer overflows
we shouldn't use sprintf at all. But for now let's start by
implementing snprintf in first place.

Change-Id: Ic17d94b8cd91b72f66b84b0589a06b8abef5e5c9
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4278
Tested-by: build bot (Jenkins)
Reviewed-by: Peter Stuge <peter@stuge.se>
2014-01-10 14:13:23 +01:00
Vladimir Serbinenko 697c1ed1ff X201: set default USB debug controller to 2.
The other port is not easily accessible.

Change-Id: I6ea31346a375debcd5fc1c27e4078e3a436715e3
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4635
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2014-01-09 17:50:37 +01:00
Vladimir Serbinenko 6a7aeb3b35 bd82x6x/ibexpeak: Make DRAM reset gate GPIO configurable
DRAM reset gate GPIO is different on different mobos move it to hidden config
with 60 (current value) as default.

Set it to 10 for Lenovo X201.

Change-Id: I4f3b6876d7c33d4966315091b63a76a9a0064c16
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4622
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2014-01-09 17:16:12 +01:00
Alexandru Gagniuc ffd4a610ba cpu/allwinner/a10: Import raminit code from uboot
The memory initialization code is a work in progress for uboot, so we
only import the bits needed to get RAM up and running. Any refactoring
is cosmetic, and any functional refactoring should be done in separate
patches, and preferably, in coordination with the sunxi team.
Since it's not yet determined if we should initialize memory during
the bootblock or romstage, we don't add raminit to the build just yet.

Change-Id: I2ec1821942c6970150a02fa3806a257da649e1c9
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4597
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 06:37:25 +01:00
Alexandru Gagniuc cce6c1c92a cpu/allwinner/a10: Add low-level helpers for DRAM clock control
PLL5 is special in that it controls the DRAM clock, and requires a
fine-grained low-level control which will be needed by raminit code.
This change also brings functionality which will be needed by
raminit.

Change-Id: I25ecc91aa2154e504ceebb9003a5e5728d47f4a3
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4593
Tested-by: build bot (Jenkins)
2014-01-09 06:37:13 +01:00
Alexandru Gagniuc 5d8b0a9fb3 cubieboard: Initialize memory in bootblock
Even though the Allwinner A10 is limited to a 24KiB bootblock, the
memory initialization takes only about 3KiB and leaves enough room for
an MMC or NAND driver, so init the memory early on. The advantage is
that we can eliminate complicated logistics of where to cache CBFS and
where to load the ramstage in SRAM.

Change-Id: Id549552ed509434e831db60deaef28e04d62417f
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4630
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:12:56 +01:00
Alexandru Gagniuc 391622ae30 cubieboard: Keep AHB clock within specs
The CPU was clocked at 384MHz in the bootblock, but the AHB bus has a
maximum rated frequency of 250MHz. Its clock needs to be divided to
keep it within spec. Overclocking the AHB bus hung the CPU when
memory was accessed.

Change-Id: I7cb9cdd1f126b3d5b0446fc68af79b54946bc2d3
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4629
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:06:00 +01:00
Alexandru Gagniuc 30c20e92a2 cubieboard: Turn on green LED during bootblock
Change-Id: I807060bde374e4a42abe306cecf838ab157c9515
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4600
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:05:39 +01:00
Alexandru Gagniuc 919e499a36 cpu/allwinner/a10: Add functions for driving GPIO pins
Change-Id: I9473a6e574c3af02d154a7e30245f0dc0b238300
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4599
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:05:29 +01:00
Alexandru Gagniuc 6ed574a661 cpu/allwinner/a10: Add definitions for in/output GPIO functions
Change-Id: I2b857d3b4c01e39c62e54f753e400e6049f1dbc9
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4598
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:04:07 +01:00
Alexandru Gagniuc a94bed0116 cpu/allwinner/a10: Add function for reading chip revision
Change-Id: Iafbd253235db3914b9382fdb41de2622ef83c6d8
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4596
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:03:01 +01:00
Alexandru Gagniuc bd09dbe330 cpu/allwinner/a10: Implement udelay using timer 0
Change-Id: I4825f0d57696cd28751c59ae133b7e3315fb78e5
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4595
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:02:47 +01:00
Alexandru Gagniuc b70a140bd0 cpu/allwinner/a10: Add definition for gating GPIO S clock
This bit is not documented in the datasheet, but is used in the
upcoming RAM init code.

Change-Id: I697ec222496236ac7690460ee62313ab8b1a2f0b
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4592
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2014-01-09 01:02:05 +01:00
Alexandru Gagniuc 5c4bde70ae cpu/allwinner/a10: Add basic TWI (I²C) driver
Change-Id: I11b10301199e5ff1a45d9b7d2958cc7b6667a29c
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/4588
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-01-08 23:03:46 +01:00