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3 Commits

Author SHA1 Message Date
Usama Arif ec885bacb2 a5ds: add multicore support 
Enable cores 1-3 using psci. On receiving the smc call from kernel,
core 0 will bring the secondary cores out pen and signal an event for
the cores. Currently on switching the cores is enabled i.e. it is not
possible to suspend, switch cores off, etc.

Change-Id: I6087e1d2ec650e1d587fd543efc1b08cbb50ae5f
Signed-off-by: Usama Arif <usama.arif@arm.com>
 2019-09-23 17:08:05 +01:00
Usama Arif e231f3a5f4 a5ds: Hold the secondary cpus in pen rather than panic 
For the secondary CPUs, hold the cpu in wfe rather then panic.
This will be needed when multicore support is added to a5ds as
the smc call will write to the hold base and signal an event to
power on the secondary CPUs.

Change-Id: I0ffc2059e9ef894c21375ca5c94def859bfa6599
Signed-off-by: Usama Arif <usama.arif@arm.com>
 2019-09-23 17:02:08 +01:00
Usama Arif 00c7d5aca3 plat/arm: Introduce A5 DesignStart platform. 
This patch adds support for Cortex-A5 FVP for the
DesignStart program. DesignStart aims at providing
low cost and fast access to Arm IP.

Currently with this patch only the primary CPU is booted
and the rest of them wait for an interrupt.

Signed-off-by: Usama Arif <usama.arif@arm.com>
Change-Id: I3a2281ce6de2402dda4610a89939ed53aa045fab
 2019-07-16 14:13:12 +00:00