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* cpu/armltd/cortex-a9: Remove stub func dead codeEdward O'Callaghan2014-12-191-42/+0
| | | | | | | | | Change-Id: Ia8246e2bdf346883072a924d8808f14f48d44bb3 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/7351 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: David Hendricks <dhendrix@chromium.org>
* ARMv7: De-uboot-ify Exynos5250 codeStefan Reinauer2013-07-101-1/+0
| | | | | | | | | | | | | | | | When starting the Exynos5250 port, a lot of unneeded u-boot code was imported. This is an attempt to get rid of a lot of unneeded code before the port is used as a basis for further ARM ports. There is a lot more that can be done, including cleaning up the 5250's Kconfig file. Change-Id: I2d88676c436eea4b21bcb62f40018af9fabb3016 Signed-off-by: Stefan Reinauer <reinauer@google.com> Signed-off-by: Gabe Black <gabeblack@chromium.org> Reviewed-on: http://review.coreboot.org/3642 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
* armv7/exynos5250: Deprecate sdelay in favor of udelayDavid Hendricks2013-04-171-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | This gets rid of the clock-tick based sdelay in favor of udelay(). udelay() is more consistent and easier to work with, and this allows us to carry one less variation of timers (and headers and sources...). Every 1 unit in the sdelay() argument was assumed to cause a delay of 2 clock ticks (@1.7GHz). So the conversion factor is roughly: sdelay(N) = udelay(((N * 2) / 1.7 * 10^9) * 10^6) = udelay((N * 2) / (1.7 * 10^3)) The sdelay() periods used were: sdelay(100) --> udelay(1) sdelay(0x10000) --> udelay(78) (rounded up to udelay(100)) There was one instance of sdelay(10000), which looked like sort of a typo since sdelay(0x10000) was used elsewhere. sdelay(10000) should approximate to about 12us, so we'll stick with that for now and leave a note. Change-Id: I5e7407865ceafa701eea1d613bbe50cf4734f33e Signed-off-by: David Hendricks <dhendrix@chromium.org> Reviewed-on: http://review.coreboot.org/3079 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
* armv7: Add emulation/qemu-armv7 board.Hung-Te Lin2013-02-121-0/+44
To simplify testing ARM implementation, we need a QEMU configuration for ARM. The qemu-armv7 provides serial output, CBFS simulation, and full boot path (bootblock, romstage, ramstage) to verify the boot loader functionality. To run with QEMU: export QEMU_AUDIO_DRV=none qemu-system-arm -M vexpress-a9 -m 1024M -nographic -kernel build/coreboot.rom Verified to boot until ramstage loaded successfully by QEMU v1.0.50. Change-Id: I1f23ffaf408199811a0756236821c7e0f2a85004 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: http://review.coreboot.org/2354 Reviewed-by: David Hendricks <dhendrix@chromium.org> Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>