From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brijesh Singh Subject: [PATCH] xen:arm: use SMC64 version function id on ARM64 Date: Fri, 2 Oct 2015 16:36:07 -0500 Message-ID: <1443821767-20349-1-git-send-email-brijeshkumar.singh@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: ian.campbell@citrix.com, julien.grall@citrix.com, stefano.stabellini@citrix.com, suravee.suthikulpanit@amd.com, xen-arm@lists.xen.org, Brijesh Singh List-Id: xen-devel@lists.xenproject.org On AMD Seattle, Xen failed to boot secondary CPU's. This patch fixes it. As per PSCI spec, If CPU_ON entry_point_address is 64-bit then function id parameter should be set to SMC64 version (0xC4000003). Signed-off-by: Brijesh Singh --- xen/arch/arm/psci.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/xen/arch/arm/psci.c b/xen/arch/arm/psci.c index 7ad6a43..117c6a9 100644 --- a/xen/arch/arm/psci.c +++ b/xen/arch/arm/psci.c @@ -116,7 +116,11 @@ int __init psci_init_0_2(void) return -EOPNOTSUPP; } +#ifdef CONFIG_ARM_64 + psci_cpu_on_nr = PSCI_0_2_FN64_CPU_ON; +#else psci_cpu_on_nr = PSCI_0_2_FN_CPU_ON; +#endif printk(XENLOG_INFO "Using PSCI-0.2 for SMP bringup\n"); -- 1.9.1