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List: xen-cvs
Subject: [Xen-changelog] [xen master] xen: arm: implement smp initialisation callbacks for exynos5
From: patchbot () xen ! org
Date: 2013-09-28 17:23:56
Message-ID: E1VPyFI-0005nu-Fr () xenbits ! xen ! org
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commit 09d1e8de8099ed2e3f75c8fe10750ad1b9b5264f
Author: Ian Campbell <ian.campbell@citrix.com>
AuthorDate: Fri Sep 27 10:38:21 2013 +0100
Commit: Ian Campbell <ian.campbell@citrix.com>
CommitDate: Fri Sep 27 16:49:43 2013 +0100
xen: arm: implement smp initialisation callbacks for exynos5
These were removed in "xen: arm: rewrite start of day page table and cpu
bring up".
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Julien Grall <julien.grall@linaro.org>
---
xen/arch/arm/platforms/exynos5.c | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
diff --git a/xen/arch/arm/platforms/exynos5.c b/xen/arch/arm/platforms/exynos5.c
index 36d2325..a2bf916 100644
--- a/xen/arch/arm/platforms/exynos5.c
+++ b/xen/arch/arm/platforms/exynos5.c
@@ -65,6 +65,35 @@ static int exynos5_specific_mapping(struct domain *d)
return 0;
}
+static int __init exynos5_smp_init(void)
+{
+ void __iomem *sysram;
+
+ sysram = ioremap_nocache(S5P_PA_SYSRAM, PAGE_SIZE);
+ if ( !sysram )
+ {
+ dprintk(XENLOG_ERR, "Unable to map exynos5 MMIO\n");
+ return -EFAULT;
+ }
+
+ printk("Set SYSRAM to %"PRIpaddr" (%p)\n",
+ __pa(init_secondary), init_secondary);
+ writel(__pa(init_secondary), sysram);
+
+ iounmap(sysram);
+
+ return 0;
+}
+
+static int __init exynos5_cpu_up(int cpu)
+{
+ /* Nothing to do here, the generic sev() will suffice to kick CPUs
+ * out of either the firmware or our own smp_up_cpu gate,
+ * depending on where they have ended up. */
+
+ return 0;
+}
+
static void exynos5_reset(void)
{
void __iomem *pmu;
@@ -107,6 +136,8 @@ PLATFORM_START(exynos5, "SAMSUNG EXYNOS5")
.compatible = exynos5_dt_compat,
.init_time = exynos5_init_time,
.specific_mapping = exynos5_specific_mapping,
+ .smp_init = exynos5_smp_init,
+ .cpu_up = exynos5_cpu_up,
.reset = exynos5_reset,
.quirks = exynos5_quirks,
.blacklist_dev = exynos5_blacklist_dev,
--
generated by git-patchbot for /home/xen/git/xen.git#master
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