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Merge tag 'omap-for-v3.9/usb-signed' of git://git.kernel.org/pub/scm/linux/kernel...
[karo-tx-linux.git] / arch / arm / include / asm / smp_scu.h
1 #ifndef __ASMARM_ARCH_SCU_H
2 #define __ASMARM_ARCH_SCU_H
3
4 #define SCU_PM_NORMAL   0
5 #define SCU_PM_DORMANT  2
6 #define SCU_PM_POWEROFF 3
7
8 #ifndef __ASSEMBLER__
9
10 #include <asm/cputype.h>
11
12 static inline bool scu_a9_has_base(void)
13 {
14         return read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9;
15 }
16
17 static inline unsigned long scu_a9_get_base(void)
18 {
19         unsigned long pa;
20
21         asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (pa));
22
23         return pa;
24 }
25
26 unsigned int scu_get_core_count(void __iomem *);
27 void scu_enable(void __iomem *);
28 int scu_power_mode(void __iomem *, unsigned int);
29 #endif
30
31 #endif