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#ifndef __ASM_ARM_PLATFORM_H
#define __ASM_ARM_PLATFORM_H
#include <xen/sched.h>
#include <xen/mm.h>
#include <xen/device_tree.h>
/* Describe specific operation for a board */
struct platform_desc {
/* Platform name */
const char *name;
/* Array of device tree 'compatible' strings */
const char *const *compatible;
/* Platform initialization */
int (*init)(void);
int (*init_time)(void);
#ifdef CONFIG_ARM_32
/* SMP */
int (*smp_init)(void);
int (*cpu_up)(int cpu);
#endif
/* Specific mapping for dom0 */
int (*specific_mapping)(struct domain *d);
/* Platform reset */
void (*reset)(void);
/* Platform power-off */
void (*poweroff)(void);
/* Platform specific SMC handler */
bool (*smc)(struct cpu_user_regs *regs);
/*
* Platform quirks
* Defined has a function because a platform can support multiple
* board with different quirk on each
*/
uint32_t (*quirks)(void);
/*
* Platform blacklist devices
* List of devices which must not pass-through to a guest
*/
const struct dt_device_match *blacklist_dev;
/* Override the DMA width (32-bit by default). */
unsigned int dma_bitsize;
};
/*
* Quirk for platforms where device tree incorrectly reports 4K GICC
* size, but actually the two GICC register ranges are placed at 64K
* stride.
*/
#define PLATFORM_QUIRK_GIC_64K_STRIDE (1 << 0)
void platform_init(void);
int platform_init_time(void);
int platform_specific_mapping(struct domain *d);
#ifdef CONFIG_ARM_32
int platform_smp_init(void);
int platform_cpu_up(int cpu);
#endif
void platform_reset(void);
void platform_poweroff(void);
bool platform_smc(struct cpu_user_regs *regs);
bool platform_has_quirk(uint32_t quirk);
bool platform_device_is_blacklisted(const struct dt_device_node *node);
#define PLATFORM_START(_name, _namestr) \
static const struct platform_desc __plat_desc_##_name __used \
__section(".arch.info") = { \
.name = _namestr,
#define PLATFORM_END \
};
#endif /* __ASM_ARM_PLATFORM_H */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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