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4 commits

Author SHA1 Message Date
Peng Fan
cdd7486616 firmware: psci: introduce SPL_ARM_PSCI_FW 
Introduce a new macro SPL_ARM_PSCI_FW

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
 2018-12-12 12:14:25 -05:00
Rajan Vaja
e7a52ba65b firmware: Add FIRMWARE config prompt string 
There is no prompt string for FIRMWARE config. Without this,
FIRMWARE config cannot be enabled through menuconfing or
config file. Fix this by adding prompt summary.

Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
 2018-09-29 11:49:35 -06:00
Lokesh Vutla
32cd25128b firmware: Add basic support for TI System Control Interface (TI SCI) protocol 
Texas Instrument's System Control Interface (TI SCI) message protocol is
used in Texas Instrument's System on Chip (SoC) such as those in the K3
family AM654 SoC to communicate between various compute processors with
a central system controller entity.

The TI SCI message protocol provides support for management of various
hardware entities within the SoC. Add support driver to allow
communication with system controller entity within the SoC using the
mailbox client.

This is mostly derived from the TI SCI driver in Linux located at
drivers/firmware/ti_sci.c.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Andreas Dannenberg <dannenberg@ti.com>
 2018-09-11 08:32:55 -04:00
Masahiro Yamada
573a3811ed sysreset: psci: support system reset in a generic way with PSCI 
If the system is running PSCI firmware, the System Reset function
(func ID: 0x80000009) is supposed to be handled by PSCI, that is,
the SoC/board specific reset implementation should be moved to PSCI.
U-Boot should call the PSCI service according to the arm-smccc
manner.

The arm-smccc is supported on ARMv7 or later.  Especially, ARMv8
generation SoCs are likely to run ARM Trusted Firmware BL31.  In
this case, U-Boot is a non-secure world boot loader, so it should
not be able to reset the system directly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2017-04-18 10:29:19 -04:00