Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Nishanth Menon |
77 |
33.77% |
1 |
9.09% |
| Russell King |
55 |
24.12% |
3 |
27.27% |
| Hiroshi Doyu |
35 |
15.35% |
1 |
9.09% |
| Rob Herring |
31 |
13.60% |
1 |
9.09% |
| Martin Blumenstingl |
18 |
7.89% |
2 |
18.18% |
| Catalin Marinas |
8 |
3.51% |
1 |
9.09% |
| Johan Hovold |
3 |
1.32% |
1 |
9.09% |
| Greg Kroah-Hartman |
1 |
0.44% |
1 |
9.09% |
| Total |
228 |
|
11 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMARM_ARCH_SCU_H
#define __ASMARM_ARCH_SCU_H
#define SCU_PM_NORMAL 0
#define SCU_PM_DORMANT 2
#define SCU_PM_POWEROFF 3
#ifndef __ASSEMBLER__
#include <linux/errno.h>
#include <asm/cputype.h>
static inline bool scu_a9_has_base(void)
{
return read_cpuid_part() == ARM_CPU_PART_CORTEX_A9;
}
static inline unsigned long scu_a9_get_base(void)
{
unsigned long pa;
asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (pa));
return pa;
}
#ifdef CONFIG_HAVE_ARM_SCU
unsigned int scu_get_core_count(void __iomem *);
int scu_power_mode(void __iomem *, unsigned int);
int scu_cpu_power_enable(void __iomem *, unsigned int);
int scu_get_cpu_power_mode(void __iomem *scu_base, unsigned int logical_cpu);
#else
static inline unsigned int scu_get_core_count(void __iomem *scu_base)
{
return 0;
}
static inline int scu_power_mode(void __iomem *scu_base, unsigned int mode)
{
return -EINVAL;
}
static inline int scu_cpu_power_enable(void __iomem *scu_base,
unsigned int mode)
{
return -EINVAL;
}
static inline int scu_get_cpu_power_mode(void __iomem *scu_base,
unsigned int logical_cpu)
{
return -EINVAL;
}
#endif
#if defined(CONFIG_SMP) && defined(CONFIG_HAVE_ARM_SCU)
void scu_enable(void __iomem *scu_base);
#else
static inline void scu_enable(void __iomem *scu_base) {}
#endif
#endif
#endif