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 000000000000..b78d40870c95
--- /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__ */