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2014-12-15tegra124: A couple clock fixes.Gabe Black
This fixes two problems with the clock configuration on tegra124. First, the macro which set up the i2c clocks tried to account for the fact that the i2c divisor's lsb represents 1.0 where it normally represents 0.5 by multiplying the target frequency by 2. That doesn't work, unfortunately, because the divisor is actually n + 1, and what n + 1 means depends on where the one's place is in the divisor. Also, when calculating the divisor, the standard C division operator uses truncation to deal any remainder which tends to make the divisor smaller. That has the effect of making the output frequency higher than what was requested. Since it's usually safer to undershoot a frequency than overshoot it, this change makes those divisions round up instead. Finally, the hand tuned temporary UART clock configuration was adjusted so that it still ends up with the same divisor. Without that, very early output from the bootblock is garbled, specifically the coreboot welcome banner, build timestamp, etc. BUG=chrome-os-partner:27220 TEST=Built and booted on nyan. Used a logic analyzer to verify that the TPM i2c bus ran at 400KHz instead of 660KHz, and that the divisor was the expected value. Measured boot time with and without EFS and verified that there was no change. Spot checked the output for errors and verified that none of the bootblock output was garbled. BRANCH=None Had to add the stdlib.h from 89ed6c that hadn't been merged correctly. Original-Change-Id: I7e948c361ed4bf58c608627d32f2e3424faea1fb Original-Signed-off-by: Gabe Black <gabeblack@google.com> Original-Reviewed-on: https://chromium-review.googlesource.com/193362 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Original-Commit-Queue: Gabe Black <gabeblack@chromium.org> Original-Tested-by: Gabe Black <gabeblack@chromium.org> (cherry picked from commit 164f7010a47d3bbdbc8bb572106140ae186f3807) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I317b66eda929c0e5a5832adca267b8b54c6aae34 Reviewed-on: http://review.coreboot.org/7736 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-07-10include/stdlib.h: Extend common macro collectionEdward O'Callaghan
Add the following useful macros: * Absolute Value Macro * Taking ceiling of (a / b) * Check if value x is a power of 2 or not Change-Id: I4e9a326aea3cdd963f13548d1fb63331a57d84b1 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/6198 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-07-01stdlib: Drop duplicates of min() and max()Kyösti Mälkki
Change-Id: Ib2f6fad735e085d237a0d46e0586e123eef6e0e2 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/6161 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
2013-03-29stdlib: add ALIGN_UP and ALIGN_DOWN macrosAaron Durbin
There wasn't an equivalent to align down so add ALIGN_DOWN. For symmetry provide an ALIGN_UP macro as well. Change-Id: I7033109311eeb15c8c69c649878785378790feb9 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2951 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-12-19Add back dummy free()Stefan Reinauer
GNU CC coverage needs free() and it's highly desirable to leave the code as genuine as possible. Change-Id: I4c821b9d211ef7a8e7168dc5e3116730693999c6 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/2051 Tested-by: build bot (Jenkins) Reviewed-by: David Hendricks <dhendrix@chromium.org>
2012-07-24Remove unused free() functionStefan Reinauer
Since coreboot is running very short, we don't free memory. Hence, drop (dummy) free() Change-Id: I6e2737f07c6b9f73ebfad7d124b97a57cb7454a3 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1274 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-04-12Add support for aligned allocationRon Minnich
Add a memalign function and have malloc use it. Also, change the default alignment for malloc to u64-aligned. Change-Id: I0788637008f5cb5ac801d8bbdc430ca992c98e81 Signed-off-by: Ron Minnich <rminnich@gmail.com> Reviewed-on: http://review.coreboot.org/887 Tested-by: build bot (Jenkins) Reviewed-by: Mathias Krause <minipli@googlemail.com>
2012-04-02Align: Make sure 1 is treated as unsigned long instead of intStefan Reinauer
... and drop duplicate definition in via/epia-n code. Change-Id: Id79daaaa35c4d412c8c1f621a3638d129681d331 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/820 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2010-03-28drop unneeded __ROMCC__ checks when the check for __PRE_RAM__ is moreStefan Reinauer
appropriate. Also, factor out post_code() for __PRE_RAM__ code and drop it from some mainboards. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5307 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2009-11-06Split the two usages of __ROMCC__:Myles Watson
__ROMCC__ now means "Don't use prototypes, since romcc doesn't support them." __PRE_RAM__ means "Use simpler versions of functions, and no device tree." There are probably some places where both are tested, but only one is needed. Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4921 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2009-09-25drop some dead code, clarify small comments and small cleanups to malloc.cStefan Reinauer
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4677 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-12-23The attached patch adds missing bits to ACPI to make Windows XP and Windows ↵Rudolf Marek
Vista happy. The FADT bootarch flags Blacklists MSI for this chipset (maybe not needed) Adds modified amdk8_util.asl Adds the SSDT table to chain of tables Aligns the FACS correctly (this should be done for other boards) Adds the _CRS method to Asus M2V-MX SE acpi DSDT. Fixes the FACS table length. Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3840 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2008-03-19Following patch will setup KT890 HT automatically. It will find theRudolf Marek
max width of the link and also it will take the frequency of K8 HT already done coreboot (and checks if t can run on it). Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3169 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2007-11-07This patch masks the function prototypes in stdlib.h from ROMCC, so thatCorey Osgood
ARRAY_SIZE() can be used on ROMCC-dependent systems. Also adds stdlib.h to vt8237r_early_smbus.c, so it'll build on those systems. Signed-off-by: Corey Osgood <corey.osgood@gmail.com> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2949 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2007-10-27Move ARRAY_SIZE to stdlib.h to make it available to all code (trivial).Uwe Hermann
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2901 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2004-11-10- Delete unused funciton reallocEric Biederman
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1776 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2004-03-13added reallocGreg Watson
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1404 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2003-04-22- Initial checkin of the freebios2 treeEric Biederman
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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