From: hdoyu@nvidia.com (Hiroshi Doyu)
To: linux-arm-kernel@lists.infradead.org
Subject: [v3 5/9] ARM: tegra: Skip scu_enable(scu_base) if not Cortex A9
Date: Tue, 15 Jan 2013 08:14:07 -0000 [thread overview]
Message-ID: <1358237598-32413-6-git-send-email-hdoyu@nvidia.com> (raw)
In-Reply-To: <1358237598-32413-1-git-send-email-hdoyu@nvidia.com>
Skip scu_enable(scu_base) if CPU is not Cortex A9.
Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
---
arch/arm/mach-tegra/platsmp.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 689ee4b..e329e93 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -38,7 +38,6 @@
extern void tegra_secondary_startup(void);
static cpumask_t tegra_cpu_init_mask;
-static void __iomem *scu_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE);
#define EVP_CPU_RESET_VECTOR \
(IO_ADDRESS(TEGRA_EXCEPTION_VECTORS_BASE) + 0x100)
@@ -184,10 +183,14 @@ static void __init tegra_smp_init_cpus(void)
static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
{
+ phys_addr_t base;
+
/* Always mark the boot CPU (CPU0) as initialized. */
cpumask_set_cpu(0, &tegra_cpu_init_mask);
- scu_enable(scu_base);
+ base = scu_get_base();
+ if (base)
+ scu_enable(IO_ADDRESS(base));
}
struct smp_operations tegra_smp_ops __initdata = {
--
1.7.9.5
next prev parent reply other threads:[~2013-01-15 8:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-15 8:13 [v3 0/9] ARM: Initial support for Tegra 114 SoC Hiroshi Doyu
2013-01-15 8:13 ` [v3 1/9] ARM: tegra: fuse: Add chipid TEGRA114 0x35 Hiroshi Doyu
2013-01-31 16:39 ` Hiroshi Doyu
2013-01-15 8:14 ` [v3 2/9] HACK: ARM: tegra: Use CLK_IGNORE_UNUSED for Tegra 114 SoC Hiroshi Doyu
2013-01-15 8:14 ` [v3 3/9] ARM: tegra: Use DT /cpu node to detect number of CPU core Hiroshi Doyu
2013-01-21 12:35 ` Lorenzo Pieralisi
2013-01-15 8:14 ` [v3 4/9] ARM: Add API to detect SCU base address from CP15 Hiroshi Doyu
2013-01-15 8:14 ` Hiroshi Doyu [this message]
2013-01-15 8:14 ` [v3 6/9] ARM: dt: tegra114: Add new SoC base, Tegra 114 SoC Hiroshi Doyu
2013-01-15 16:55 ` Stephen Warren
2013-01-15 17:27 ` Peter De Schrijver
2013-01-16 5:06 ` Hiroshi Doyu
2013-01-15 8:14 ` [v3 7/9] ARM: dt: tegra114: Add new board, Dalmore Hiroshi Doyu
2013-01-15 8:14 ` [v3 8/9] ARM: dt: tegra114: Add new board, Pluto Hiroshi Doyu
2013-01-15 8:14 ` [v3 9/9] ARM: tegra: Add initial support for Tegra 114 SoC Hiroshi Doyu
2013-01-18 10:54 ` [RESEND][v3 4/9] ARM: Add API to detect SCU base address from CP15 Hiroshi Doyu
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