Commit graph

15 commits

Author SHA1 Message Date
Tom Rini
0da35fa8d6 Convert CONFIG_ARMV7_SECURE_BASE et al to Kconfig
This converts the following to Kconfig:
   CONFIG_ARMV7_SECURE_BASE
   CONFIG_ARMV7_SECURE_MAX_SIZE
   CONFIG_ARMV7_SECURE_RESERVE_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
2022-03-18 08:43:25 -04:00
Andre Przywara
2564fce7ee sunxi: move Cortex SMPEN setting into start.S
According to their TRMs, Cortex ARMv7 CPUs with SMP support require the
ACTLR.SMPEN bit to be set as early as possible, before any cache or TLB
maintenance operations are done. As we do those things still in start.S,
we need to move the SMPEN bit setting there, too.

This introduces a new ARMv7 wide symbol and code to set bit 6 in ACTLR
very early in start.S, and moves sunxi boards over to use that instead
of the custom code we had in our board.c file (where it was called
technically too late).

In practice we got away with this so far, because at this point all the
other cores were still in reset, so any broadcasting would have been
ignored anyway. But it is architecturally cleaner to do it early, and
we move a core specific piece of code out of board.c.

This also gets rid of the ARM_CORTEX_CPU_IS_UP kludge I introduced a few
years back, and moves the respective logic into the new Kconfig entry.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
2022-02-04 00:09:36 +00:00
Icenowy Zheng
7f772fbcc0 ARM: add Kconfig option for PSCI 0.1
We still have some platforms that only implements functionalities in
PSCI 0.1 (e.g. Allwinner ARMv7 SoCs).

Add a Kconfig option for exporting only PSCI 0.1. The code to export
PSCI 0.1 is still available and gets activated by this patch.

In addition, default ARCH_SUNXI U-Boot PSCI implementation to export
PSCI 0.1, to fix poweroff/reboot regression on Allwinner multi-core
ARMv7 SoCs.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
2020-08-05 08:18:34 -04:00
Patrick Delaunay
b4d14bc81a Convert CONFIG_ARMV7_PSCI_1_0 and CONFIG_ARMV7_PSCI_0_2 to Kconfig
This converts the following to Kconfig:
CONFIG_ARMV7_PSCI_1_0
CONFIG_ARMV7_PSCI_0_2

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-07-17 08:51:29 -04:00
Trevor Woerner
18138ab203 rename symbol: CONFIG_TEGRA -> CONFIG_ARCH_TEGRA
Have this symbol follow the pattern of all other such symbols.

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
2020-05-15 14:47:35 -04:00
Mark Kettenis
d32e86bde8 ARM: HYP/non-sec: enable ARMV7_LPAE if HYP mode is supported
ARMV7_LPAE is required in order to enable the MMU in HYP mode.
And we really want to enable the MMU in HYP mode such that we can
enable the the caches.  Otherwise U-Boot code (such as the EFI
implementation) that runs in HYP mode will run at a snils pace.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
2018-07-25 14:57:43 +02:00
Lokesh Vutla
acf1500138 arm: v7: Kconfig: Rename CPU_V7 as CPU_V7A
Currently CPU_V7 kconfig symbol supports only ARMv7A architectures under
armv7 folder. This led to a misconception of creating separate folders
for armv7m and armv7r. There is no reason to create separate folder for
other armv7 based architectures when it can co-exist with few Kconfig
symbols.

As a first step towards a common folder, rename CPU_V7 as CPUV7A. Later
separate Kconfig symbols can be added for CPU_V7R and CPU_V7M and
can co exist in the same folder.

Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Suggested-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
2018-05-07 15:53:24 -04:00
Masahiro Yamada
1544698816 ARM: armv7: move ARMV7_PSCI_NR_CPUS to Kconfig
Move this option to Kconfig and set its default value to 4; this
increases the number of supported CPUs for some boards.

It consumes 1KB memory per CPU for PSCI stack, but it should not
be a big deal, given the amount of memory used for the modern OSes.

Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-07 08:48:54 -04:00
Masahiro Yamada
217f92bb79 ARM: armv7: move CONFIG_ARMV7_PSCI to Kconfig
Add ARCH_SUPPORT_PSCI as a non-configurable option that platforms
can select.  Then, move CONFIG_ARMV7_PSCI, which is automatically
enabled if both ARMV7_NONSEC and ARCH_SUPPORT_PSCI are enabled.

Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-09-07 08:48:51 -04:00
Masahiro Yamada
ab65006b08 kconfig: use bool instead of boolean for type definition attributes
Linux stopped the use of keyword 'boolean' in Kconfig.

Refer to commit 6341e62b212a2541efb0160c470e90bd226d5496 ("kconfig:
use bool instead of boolean for type definition attributes")
in Linux Kernel.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2016-08-12 09:23:49 -04:00
Robert P. J. Day
62a3b7dd08 Various, unrelated tree-wide typo fixes.
Fix a number of typos, including:

     * "compatble" -> "compatible"
     * "eanbeld" -> "enabled"
     * "envrionment" -> "environment"
     * "FTD" -> "FDT" (for "flattened device tree")
     * "ommitted" -> "omitted"
     * "overriden" -> "overridden"
     * "partiton" -> "partition"
     * "propogate" -> "propagate"
     * "resourse" -> "resource"
     * "rest in piece" -> "rest in peace"
     * "suport" -> "support"
     * "varible" -> "variable"

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
2016-07-16 09:43:12 -04:00
Alexander Graf
d990f5c834 arm: Add support for HYP mode and LPAE page tables
We currently always modify the SVC versions of registers and only support
the short descriptor PTE format.

Some boards however (like the RPi2) run in HYP mode. There, we need to modify
the HYP version of system registers and HYP mode only supports the long
descriptor PTE format.

So this patch introduces support for both long descriptor PTEs and HYP mode
registers.

Signed-off-by: Alexander Graf <agraf@suse.de>
2016-03-27 09:12:17 -04:00
Jan Kiszka
a8f2d01967 tegra: Boot in non-secure mode by default
Upstream Linux is broken with default configs when PSCI, thus non-secure
mode is enabled. So the user should explicitly enable this mode, e.g.
when she disabled CONFIG_CPU_IDLE in Linux (in which case it's safe to
use). We can revert this workaround once Linux got fixed.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
2015-05-13 09:24:16 -07:00
Hans de Goede
8bc347e2ec ARM: bootm: Allow booting in secure mode on hyp capable systems
Older Linux kernels will not properly boot in hyp mode, add support for a
bootm_boot_mode environment variable, which can be set to "sec" or "nonsec"
to force booting in secure or non-secure mode when build with non-sec support.

The default behavior can be selected through CONFIG_ARMV7_BOOT_SEC_DEFAULT,
when this is set booting in secure mode is the default. The default setting
for this Kconfig option is N, preserving the current behavior of booting in
non-secure mode by default when non-secure mode is supported.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
2014-11-24 09:09:52 +01:00
Hans de Goede
ea624e1951 ARM: Add arch/arm/cpu/armv7/Kconfig with non-secure and virt options
Add arch/arm/cpu/armv7/Kconfig with non-secure and virt options, this is a
preparation patch for adding an env variable to choose between secure /
non-secure boot on non-secure boot capable systems, specifically this
prepares for adding CONFIG_ARMV7_BOOT_SEC_DEFAULT as a proper Kconfig option.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2014-11-24 09:09:49 +01:00