xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm: zynq: Add smp support

Browse Source 
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>
This commit is contained in:
Michal Simek
2013-03-20 13:50:12 +01:00
parent 2f34e0a58f
commit aa7eb2bb4e
7 changed files with 216 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm/mach-zynq/common.h
View File

@@ -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;