diff options
Diffstat (limited to 'arch/arm/include/asm/mach/arch.h')
| -rw-r--r-- | arch/arm/include/asm/mach/arch.h | 72 |
1 files changed, 57 insertions, 15 deletions
diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h index d97a964207f..0406cb3f1af 100644 --- a/arch/arm/include/asm/mach/arch.h +++ b/arch/arm/include/asm/mach/arch.h @@ -8,41 +8,76 @@ * published by the Free Software Foundation. */ +#include <linux/types.h> + #ifndef __ASSEMBLY__ +#include <linux/reboot.h> struct tag; -struct meminfo; -struct sys_timer; +struct pt_regs; +struct smp_operations; +#ifdef CONFIG_SMP +#define smp_ops(ops) (&(ops)) +#define smp_init_ops(ops) (&(ops)) +#else +#define smp_ops(ops) (struct smp_operations *)NULL +#define smp_init_ops(ops) (bool (*)(void))NULL +#endif struct machine_desc { - /* - * Note! The first two elements are used - * by assembler code in head.S, head-common.S - */ unsigned int nr; /* architecture number */ const char *name; /* architecture name */ - unsigned long boot_params; /* tagged list */ + unsigned long atag_offset; /* tagged list (relative) */ + const char *const *dt_compat; /* array of device tree + * 'compatible' strings */ unsigned int nr_irqs; /* number of IRQs */ +#ifdef CONFIG_ZONE_DMA + phys_addr_t dma_zone_size; /* size of DMA-able area */ +#endif + unsigned int video_start; /* start of video RAM */ unsigned int video_end; /* end of video RAM */ - unsigned int reserve_lp0 :1; /* never has lp0 */ - unsigned int reserve_lp1 :1; /* never has lp1 */ - unsigned int reserve_lp2 :1; /* never has lp2 */ - unsigned int soft_reboot :1; /* soft reboot */ - void (*fixup)(struct machine_desc *, - struct tag *, char **, - struct meminfo *); + unsigned char reserve_lp0 :1; /* never has lp0 */ + unsigned char reserve_lp1 :1; /* never has lp1 */ + unsigned char reserve_lp2 :1; /* never has lp2 */ + enum reboot_mode reboot_mode; /* default restart mode */ + unsigned l2c_aux_val; /* L2 cache aux value */ + unsigned l2c_aux_mask; /* L2 cache aux mask */ + void (*l2c_write_sec)(unsigned long, unsigned); + struct smp_operations *smp; /* SMP operations */ + bool (*smp_init)(void); + void (*fixup)(struct tag *, char **); + void (*dt_fixup)(void); + void (*init_meminfo)(void); void (*reserve)(void);/* reserve mem blocks */ void (*map_io)(void);/* IO mapping function */ + void (*init_early)(void); void (*init_irq)(void); - struct sys_timer *timer; /* system tick timer */ + void (*init_time)(void); void (*init_machine)(void); + void (*init_late)(void); +#ifdef CONFIG_MULTI_IRQ_HANDLER + void (*handle_irq)(struct pt_regs *); +#endif + void (*restart)(enum reboot_mode, const char *); }; /* + * Current machine - only accessible during boot. + */ +extern const struct machine_desc *machine_desc; + +/* + * Machine type table - also only accessible during boot + */ +extern const struct machine_desc __arch_info_begin[], __arch_info_end[]; +#define for_each_machine_desc(p) \ + for (p = __arch_info_begin; p < __arch_info_end; p++) + +/* * Set of macros to define architecture features. This is built into * a table by the linker. */ @@ -56,4 +91,11 @@ static const struct machine_desc __mach_desc_##_type \ #define MACHINE_END \ }; +#define DT_MACHINE_START(_name, _namestr) \ +static const struct machine_desc __mach_desc_##_name \ + __used \ + __attribute__((__section__(".arch.info.init"))) = { \ + .nr = ~0, \ + .name = _namestr, + #endif |