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| author |   Michal Simek <michal.simek@xilinx.com> | 2013-03-20 13:50:12 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-04-04 09:24:00 +0200 |
| commit | aa7eb2bb4e4a22e41bbe4612ff46e5885b13c33e (patch) | |
| tree | ef3f5e0578ee98f1e95b686796a64a80807ef795 /arch/arm/mach-zynq/common.h | |
| parent | arm: zynq: Add smp_twd timer (diff) | |
| download | linux-dev-aa7eb2bb4e4a22e41bbe4612ff46e5885b13c33e.tar.xz linux-dev-aa7eb2bb4e4a22e41bbe4612ff46e5885b13c33e.zip | |
arm: zynq: Add smp support
Zynq is dual core Cortex A9 which starts always
at zero. Using simple trampoline ensure long jump
to secondary_startup code.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-zynq/common.h')
| -rw-r--r-- | arch/arm/mach-zynq/common.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h index d7ec3caaa1d7..fd308f8b18d9 100644 --- a/arch/arm/mach-zynq/common.h +++ b/arch/arm/mach-zynq/common.h @@ -19,6 +19,17 @@ extern int zynq_slcr_init(void); extern void zynq_slcr_system_reset(void); +extern void zynq_slcr_cpu_stop(int cpu); +extern void zynq_slcr_cpu_start(int cpu); + +#ifdef CONFIG_SMP +extern void secondary_startup(void); +extern char zynq_secondary_trampoline; +extern char zynq_secondary_trampoline_jump; +extern char zynq_secondary_trampoline_end; +extern int __cpuinit zynq_cpun_start(u32 address, int cpu); +extern struct smp_operations zynq_smp_ops __initdata; +#endif extern void __iomem *zynq_slcr_base; extern void __iomem *zynq_scu_base; |