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Diffstat (limited to 'include/asm-ppc/machdep.h')
| -rw-r--r-- | include/asm-ppc/machdep.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h new file mode 100644 index 00000000000..b78d40870c9 --- /dev/null +++ b/include/asm-ppc/machdep.h @@ -0,0 +1,154 @@ +#ifdef __KERNEL__ +#ifndef _PPC_MACHDEP_H +#define _PPC_MACHDEP_H + +#include <linux/config.h> +#include <linux/init.h> + +#include <asm/setup.h> +#include <asm/page.h> + +#ifdef CONFIG_APUS +#include <asm-m68k/machdep.h> +#endif + +struct pt_regs; +struct pci_bus; +struct pci_dev; +struct seq_file; +struct file; + +/* We export this macro for external modules like Alsa to know if + * ppc_md.feature_call is implemented or not + */ +#define CONFIG_PPC_HAS_FEATURE_CALLS + +struct machdep_calls { + void (*setup_arch)(void); + /* Optional, may be NULL. */ + int (*show_cpuinfo)(struct seq_file *m); + int (*show_percpuinfo)(struct seq_file *m, int i); + /* Optional, may be NULL. */ + unsigned int (*irq_canonicalize)(unsigned int irq); + void (*init_IRQ)(void); + int (*get_irq)(struct pt_regs *); + + /* A general init function, called by ppc_init in init/main.c. + May be NULL. */ + void (*init)(void); + + void (*restart)(char *cmd); + void (*power_off)(void); + void (*halt)(void); + + void (*idle)(void); + void (*power_save)(void); + + long (*time_init)(void); /* Optional, may be NULL */ + int (*set_rtc_time)(unsigned long nowtime); + unsigned long (*get_rtc_time)(void); + unsigned char (*rtc_read_val)(int addr); + void (*rtc_write_val)(int addr, unsigned char val); + void (*calibrate_decr)(void); + + void (*heartbeat)(void); + unsigned long heartbeat_reset; + unsigned long heartbeat_count; + + unsigned long (*find_end_of_memory)(void); + void (*setup_io_mappings)(void); + + void (*early_serial_map)(void); + void (*progress)(char *, unsigned short); + void (*kgdb_map_scc)(void); + + unsigned char (*nvram_read_val)(int addr); + void (*nvram_write_val)(int addr, unsigned char val); + void (*nvram_sync)(void); + + /* + * optional PCI "hooks" + */ + + /* Called after scanning the bus, before allocating resources */ + void (*pcibios_fixup)(void); + + /* Called after PPC generic resource fixup to perform + machine specific fixups */ + void (*pcibios_fixup_resources)(struct pci_dev *); + + /* Called for each PCI bus in the system when it's probed */ + void (*pcibios_fixup_bus)(struct pci_bus *); + + /* Called when pci_enable_device() is called (initial=0) or + * when a device with no assigned resource is found (initial=1). + * Returns 0 to allow assignment/enabling of the device. */ + int (*pcibios_enable_device_hook)(struct pci_dev *, int initial); + + /* For interrupt routing */ + unsigned char (*pci_swizzle)(struct pci_dev *, unsigned char *); + int (*pci_map_irq)(struct pci_dev *, unsigned char, unsigned char); + + /* Called in indirect_* to avoid touching devices */ + int (*pci_exclude_device)(unsigned char, unsigned char); + + /* Called at then very end of pcibios_init() */ + void (*pcibios_after_init)(void); + + /* Get access protection for /dev/mem */ + pgprot_t (*phys_mem_access_prot)(struct file *file, + unsigned long offset, + unsigned long size, + pgprot_t vma_prot); + + /* this is for modules, since _machine can be a define -- Cort */ + int ppc_machine; + + /* Motherboard/chipset features. This is a kind of general purpose + * hook used to control some machine specific features (like reset + * lines, chip power control, etc...). + */ + long (*feature_call)(unsigned int feature, ...); + +#ifdef CONFIG_SMP + /* functions for dealing with other cpus */ + struct smp_ops_t *smp_ops; +#endif /* CONFIG_SMP */ +}; + +extern struct machdep_calls ppc_md; +extern char cmd_line[COMMAND_LINE_SIZE]; + +extern void setup_pci_ptrs(void); + +/* + * Power macintoshes have either a CUDA or a PMU controlling + * system reset, power, NVRAM, RTC. + */ +typedef enum sys_ctrler_kind { + SYS_CTRLER_UNKNOWN = 0, + SYS_CTRLER_CUDA = 1, + SYS_CTRLER_PMU = 2, + SYS_CTRLER_SMU = 3, +} sys_ctrler_t; + +extern sys_ctrler_t sys_ctrler; + +#ifdef CONFIG_SMP +struct smp_ops_t { + void (*message_pass)(int target, int msg, unsigned long data, int wait); + int (*probe)(void); + void (*kick_cpu)(int nr); + void (*setup_cpu)(int nr); + void (*space_timers)(int nr); + void (*take_timebase)(void); + void (*give_timebase)(void); +}; + +/* Poor default implementations */ +extern void __devinit smp_generic_give_timebase(void); +extern void __devinit smp_generic_take_timebase(void); +#endif /* CONFIG_SMP */ + +#endif /* _PPC_MACHDEP_H */ +#endif /* __KERNEL__ */ |