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path: root/src/cpu/ti/am335x/header.c
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2015-05-21Remove address from GPLv2 headersPatrick Georgi
As per discussion with lawyers[tm], it's not a good idea to shorten the license header too much - not for legal reasons but because there are tools that look for them, and giving them a standard pattern simplifies things. However, we got confirmation that we don't have to update every file ever added to coreboot whenever the FSF gets a new lease, but can drop the address instead. util/kconfig is excluded because that's imported code that we may want to synchronize every now and then. $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *MA[, ]*02110-1301[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 59 Temple Place[-, ]*Suite 330, Boston, MA *02111-1307[, ]*USA:Foundation, Inc.:" {} + $ find * -type f -exec sed -i "s:Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.:Foundation, Inc.:" {} + $ find * -type f -a \! -name \*.patch \ -a \! -name \*_shipped \ -a \! -name LICENSE_GPL \ -a \! -name LGPL.txt \ -a \! -name COPYING \ -a \! -name DISCLAIMER \ -exec sed -i "/Foundation, Inc./ N;s:Foundation, Inc.* USA\.* *:Foundation, Inc. :;s:Foundation, Inc. $:Foundation, Inc.:" {} + Change-Id: Icc968a5a5f3a5df8d32b940f9cdb35350654bef9 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Reviewed-on: http://review.coreboot.org/9233 Tested-by: build bot (Jenkins) Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
2015-04-06New mechanism to define SRAM/memory map with automatic bounds checkingJulius Werner
This patch creates a new mechanism to define the static memory layout (primarily in SRAM) for a given board, superseding the brittle mass of Kconfigs that we were using before. The core part is a memlayout.ld file in the mainboard directory (although boards are expected to just include the SoC default in most cases), which is the primary linker script for all stages (though not rmodules for now). It uses preprocessor macros from <memlayout.h> to form a different valid linker script for all stages while looking like a declarative, boilerplate-free map of memory addresses to the programmer. Linker asserts will automatically guarantee that the defined regions cannot overlap. Stages are defined with a maximum size that will be enforced by the linker. The file serves to both define and document the memory layout, so that the documentation cannot go missing or out of date. The mechanism is implemented for all boards in the ARM, ARM64 and MIPS architectures, and should be extended onto all systems using SRAM in the future. The CAR/XIP environment on x86 has very different requirements and the layout is generally not as static, so it will stay like it is and be unaffected by this patch (save for aligning some symbol names for consistency and sharing the new common ramstage linker script include). BUG=None TEST=Booted normally and in recovery mode, checked suspend/resume and the CBMEM console on Falco, Blaze (both normal and vboot2), Pinky and Pit. Compiled Ryu, Storm and Urara, manually compared the disassemblies with ToT and looked for red flags. Change-Id: Ifd2276417f2036cbe9c056f17e42f051bcd20e81 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: f1e2028e7ebceeb2d71ff366150a37564595e614 Original-Change-Id: I005506add4e8fcdb74db6d5e6cb2d4cb1bd3cda5 Original-Signed-off-by: Julius Werner <jwerner@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/213370 Reviewed-on: http://review.coreboot.org/9283 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Tauner <stefan.tauner@gmx.at> Reviewed-by: Aaron Durbin <adurbin@google.com>
2013-06-11am335x: Make the iROM load only the bootblock and ROM stage.Gabe Black
The bootblock and ROM stages are the only ones that are really required to be loaded in the quite limited on chip RAM during startup. Rather than load the whole image which requires everything to be small, load just the bootblock and the ROM stage, allowing the rest of the image to be arbitrarily large. Loading a minimal amount of stuff should also improve boot performance a little bit. Change-Id: I2fede63b8d3d8f0d880e4a692ae423021f8232b6 Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3421 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-06-10am335x: Build an omap style header and an image with it at the front.Gabe Black
Loading on an OMAP SOC requires that the first sector of the image have a configuration header, and, when not an execute in place image, an additional header which describes how big the image is and where it should be loaded. This change adds some infrastructure to statically build that header using C code, and to paste the header onto the front of coreboot.rom in a new top level target file called MLO. The configuration header we're using is as inert as possible, in line with what U-Boot is doing. I think it could be used to give additional configuration parameters to the built-in ROM on the SOC, but we don't need to do that, and there didn't seem to be any actual documentation how to do that. Because the header is built from C and is defined per CPU, it would be possible to include extra settings in other CPUs if desired. Adding a new top level build target is a bit disruptive, but should be contained to the am335x directory and not interfere with other mainboards. Change-Id: I06d346a4050c20963b3c7c6e8a152070bf2d145a Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3332 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>