Commit graph

12 commits

Author SHA1 Message Date
zijun_hu
34f9a92583 ARMv8: make master CPU checking logic more clear
macro branch_if_master checks master CPU via (Aff3 & (Aff2:Aff1:Aff0))
it is simple but a little obscure.

fix by checking Affx fields within MPIDR_EL1 directly.

Signed-off-by: zijun_hu <zijun_hu@htc.com>
2017-10-08 16:19:56 -04:00
macro.wave.z@gmail.com
5cc8d6682f ARMv8: Enable SMC instruction
PSCI implementation needs the SMC instruction to be enabled.

Signed-off-by: Hongbo Zhang <hongbo.zhang@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2016-12-15 11:57:35 -08:00
Alison Wang
ec6617c397 armv8: Support loading 32-bit OS in AArch32 execution state
To support loading a 32-bit OS, the execution state will change from
AArch64 to AArch32 when jumping to kernel.

The architecture information will be got through checking FIT image,
then U-Boot will load 32-bit OS or 64-bit OS automatically.

Signed-off-by: Ebony Zhu <ebony.zhu@nxp.com>
Signed-off-by: Alison Wang <alison.wang@nxp.com>
Signed-off-by: Chenhui Zhao <chenhui.zhao@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
2016-11-22 11:40:24 -08:00
David Feng
148822d546 Armv8: Initializing CNTVOFF_EL2
Linux-arm64 require that CNTVOFF_EL2 should be programmed with
a consistent value on all cpus. Initializing CNTVOFF_EL2 at state
transition instead of start.S could prevent potential different value
on cpus if ATF exist and u-boot runs at only one cpu.

Signed-off-by: David Feng <fenghua@phytium.com.cn>
2015-04-16 11:27:15 +02:00
Tom Rini
b79dadf846 Merge branch 'master' of git://git.denx.de/u-boot-tegra
Conflicts:
	README

Signed-off-by: Tom Rini <trini@konsulko.com>
2015-03-10 19:09:18 -04:00
Linus Walleij
23b5877c64 armv8/vexpress64: make multientry conditional
While the Freescale ARMv8 board LS2085A will enter U-Boot both
on a master and a secondary (slave) CPU, this is not the common
behaviour on ARMv8 platforms. The norm is that U-Boot is entered
from the master CPU only, while the other CPUs are kept in
WFI (wait for interrupt) state.

The code determining which CPU we are running on is using the
MPIDR register, but the definition of that register varies with
platform to some extent, and handling multi-cluster platforms
(such as the Juno) will become cumbersome. It is better to only
enable the multiple entry code on machines that actually need
it and disable it by default.

Make the single entry default and add a special
ARMV8_MULTIENTRY KConfig option to be used by the
platforms that need multientry and set it for the LS2085A.
Delete all use of the CPU_RELEASE_ADDR from the Vexpress64
boards as it is just totally unused and misleading, and
make it conditional in the generic start.S code.

This makes the Juno platform start U-Boot properly.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-03-09 11:13:29 -04:00
Bhupesh Sharma
37118fb27b Errata/ARM57: Add basic constructs to handle and apply A57 specific erratas
This patch adds basic constructs in the ARMv8 u-boot code
to handle and apply Cortex-A57 specific erratas.

As and example, the framework showcases how erratas 833069, 826974
and 828024 can be handled and applied.

Later on this framework can be extended to include other
erratas.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com>
2015-01-31 23:43:06 +01:00
Yehuda Yitschak
59a9cfdd16 gic: fixed compilation error in GICv2 wait for interrupt macro
a hexadicemal value was missing the "0x" prefix which caused
	assembler error

Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
2014-10-28 07:57:31 +01:00
York Sun
40f8dec54d armv8/fsl-lsch3: Release secondary cores from boot hold off with Boot Page
Secondary cores need to be released from holdoff by boot release
registers. With GPP bootrom, they can boot from main memory
directly. Individual spin table is used for each core. Spin table
and the boot page is reserved in device tree so OS won't overwrite.

Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Arnab Basu <arnab.basu@freescale.com>
2014-09-25 08:36:19 -07:00
David Feng
0ae7653128 arm64: core support
Relocation code based on a patch by Scott Wood, which is:
Signed-off-by: Scott Wood <scottwood@freescale.com>

Signed-off-by: David Feng <fenghua@phytium.com.cn>
2014-01-09 16:08:44 +01:00
Wolfgang Denk
1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00
Peter Tyser
819833af39 Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2010-04-13 09:13:12 +02:00
Renamed from include/asm-arm/macro.h (Browse further)