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    SubjectRe: [PATCH v2 1/3] ARM: STi: Add code to release secondary cores from holding pen.
    Hi Peter,

    On 06/09/2015 03:33 PM, Peter Griffin wrote:
    > Most upstream devs boot STi platform via JTAG which abuses the
    > boot process by setting the PC of secondary cores directly. As
    > a consquence, booting STi platforms via u-boot results in only
    > the primary core being brought up as the code to manage the
    > holding pen is not upstream.
    >
    > This patch adds the necessary code to bring the secondary cores
    > out of the holding pen. It uses the cpu-release-addr DT property
    > to get the address of the holding pen from the bootloader.
    >
    > With this patch booting upstream kernels via u-boot works
    > correctly:
    >
    > [ 0.045456] CPU: Testing write buffer coherency: ok
    > [ 0.045597] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
    > [ 0.045734] Setting up static identity map for 0x40209000 - 0x40209098
    > [ 0.065047] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
    > [ 0.065081] Brought up 2 CPUs
    > [ 0.065089] SMP: Total of 2 processors activated (5983.43 BogoMIPS).
    > [ 0.065092] CPU: All CPU(s) started in SVC mode.
    >
    > Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
    > Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
    > ---
    > arch/arm/mach-sti/headsmp.S | 1 +
    > arch/arm/mach-sti/platsmp.c | 55 ++++++++++++++++++++++++++++++++++++++++++---
    > arch/arm/mach-sti/smp.h | 2 ++
    > 3 files changed, 55 insertions(+), 3 deletions(-)
    >
    >

    Applied to sti-soc-for-v4.3.

    Thanks!
    Maxime


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