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* powerpc: Permit device tree control of U-Boot (CONFIG_OF_CONTROL)Simon Glass2015-02-121-0/+1
| | | | | | | Enable this in the Kconfig so that PowerPC boards can use device tree to configure U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org>
* arc: build libgcc in U-BootAlexey Brodkin2015-02-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This way we may have very limited set of functions implemented so we save some space. Also it allows us to build U-Boot for any ARC core with the same one toolchain because we don't rely on pre-built libgcc. For example: * we may use little-endian toolchain but build U-Boot for ether endianess * we may use non-multilibbed uClibc toolchain but build U-Boot for whatever ARC CPU flavour that current GCC supports Private libgcc built from generic C implementation contributes only 144 bytes to .text section so we don't see significant degradation of size: --->8--- $ arc-linux-size u-boot.libgcc-prebuilt text data bss dec hex filename 222217 24912 214820 461949 70c7d u-boot.libgcc-prebuilt $ arc-linux-size u-boot.libgcc-private text data bss dec hex filename 222361 24912 214820 462093 70d0d u-boot.libgcc-private --->8--- Also I don't notice visible performance degradation compared to pre-built libgcc (where at least "*div*" functions are had-written in assembly) on typical operations of downloading 10Mb uImage over TFTP and bootm. Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
* kconfig: move CONFIG_USE_PRIVATE_LIBGCC to KconfigMasahiro Yamada2014-10-231-0/+5
| | | | | | | | | | | | | | | The private libgcc is supported only on ARM, MIPS, PowerPC, SH, x86. Those architectures should "select" HAVE_PRIVATE_LIBGCC and CONFIG_USE_PRIVATE_LIBGCC should depend on it. Currently, this option is enabled on Tegra boards and x86 architecture. Move the definition from header files to Kconfig. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Tested-by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Tom Warren <twarren@nvidia.com>
* kconfig: move CONFIG_OF_* to KconfigMasahiro Yamada2014-09-251-0/+4
| | | | | | | | | | | | | | | | | | | | | | This commit moves: CONFIG_OF_CONTROL CONFIG_OF_SEPARATE CONFIG_OF_EMBED CONFIG_OF_HOSTFILE Because these options are currently not supported for SPL, the "Device Tree Control" menu does not appear in the SPL configuration. Note: zynq-common.h should be adjusted so as not to change the default value of CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org> Cc: Stephen Warren <swarren@nvidia.com> Cc: Minkyu Kang <mk7.kang@samsung.com> Acked-by: Michal Simek <michal.simek@xilinx.com>
* kconfig: add CONFIG_SYS_{ARCH, CPU, ...} type def to arch/KconfigMasahiro Yamada2014-09-131-0/+56
| | | | | | | | | This commit adds the type definitions (+ help messages) of CONFIG_SYS_{ARCH, CPU, SOC, VENDOR, BOARD, CONFIG_NAME} to arch/Kconfig, which would save lots of type defs for taget boards. (See also the next commit.) Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* kconfig: add basic Kconfig filesMasahiro Yamada2014-07-301-0/+66
This commit adds more Kconfig files, which were written by hand. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Acked-by: Simon Glass <sjg@chromium.org>
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