X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Fmachdep.h;h=758e47fe8c1ec99469d30cce55d16f7f56b924f2;hb=0ebfff1491ef85d41ddf9c633834838be144f69f;hp=629ca964b974740d8aac09eafd1f03efbf148b4a;hpb=d40d9d29c020f8466c96f8e3ad4b7c014ff1085d;p=linux-2.6-omap-h63xx.git diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 629ca964b97..c17c1374240 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -9,7 +9,6 @@ * 2 of the License, or (at your option) any later version. */ -#include #include #include #include @@ -27,6 +26,9 @@ struct device_node; struct iommu_table; struct rtc_time; struct file; +#ifdef CONFIG_KEXEC +struct kimage; +#endif #ifdef CONFIG_SMP struct smp_ops_t { @@ -44,23 +46,26 @@ struct smp_ops_t { #endif struct machdep_calls { + char *name; #ifdef CONFIG_PPC64 void (*hpte_invalidate)(unsigned long slot, unsigned long va, - int large, + int psize, int local); long (*hpte_updatepp)(unsigned long slot, unsigned long newpp, unsigned long va, - int large, + int pize, int local); void (*hpte_updateboltedpp)(unsigned long newpp, - unsigned long ea); + unsigned long ea, + int psize); long (*hpte_insert)(unsigned long hpte_group, unsigned long va, unsigned long prpn, + unsigned long rflags, unsigned long vflags, - unsigned long rflags); + int psize); long (*hpte_remove)(unsigned long hpte_group); void (*flush_hash_range)(unsigned long number, int local); @@ -76,14 +81,15 @@ struct machdep_calls { void (*tce_free)(struct iommu_table *tbl, long index, long npages); + unsigned long (*tce_get)(struct iommu_table *tbl, + long index); void (*tce_flush)(struct iommu_table *tbl); void (*iommu_dev_setup)(struct pci_dev *dev); void (*iommu_bus_setup)(struct pci_bus *bus); void (*irq_bus_setup)(struct pci_bus *bus); - int (*set_dabr)(unsigned long dabr); -#endif +#endif /* CONFIG_PPC64 */ - int (*probe)(int platform); + int (*probe)(void); void (*setup_arch)(void); void (*init_early)(void); /* Optional, may be NULL. */ @@ -91,8 +97,10 @@ struct machdep_calls { void (*show_percpuinfo)(struct seq_file *m, int i); void (*init_IRQ)(void); - int (*get_irq)(struct pt_regs *); - void (*cpu_irq_down)(int secondary); + unsigned int (*get_irq)(struct pt_regs *); +#ifdef CONFIG_KEXEC + void (*kexec_cpu_down)(int crash_shutdown, int secondary); +#endif /* PCI stuff */ /* Called after scanning the bus, before allocating resources */ @@ -128,7 +136,7 @@ struct machdep_calls { void (*nvram_sync)(void); /* Exception handlers */ - void (*system_reset_exception)(struct pt_regs *regs); + int (*system_reset_exception)(struct pt_regs *regs); int (*machine_check_exception)(struct pt_regs *regs); /* Motherboard/chipset features. This is a kind of general purpose @@ -152,22 +160,24 @@ struct machdep_calls { /* Idle loop for this platform, leave empty for default idle loop */ void (*idle_loop)(void); + /* + * Function for waiting for work with reduced power in idle loop; + * called with interrupts disabled. + */ + void (*power_save)(void); + /* Function to enable performance monitor counters for this platform, called once per cpu. */ void (*enable_pmcs)(void); + /* Set DABR for this platform, leave empty for default implemenation */ + int (*set_dabr)(unsigned long dabr); + #ifdef CONFIG_PPC32 /* XXX for now */ /* A general init function, called by ppc_init in init/main.c. May be NULL. */ void (*init)(void); - void (*idle)(void); - void (*power_save)(void); - - void (*heartbeat)(void); - unsigned long heartbeat_reset; - unsigned long heartbeat_count; - void (*setup_io_mappings)(void); void (*early_serial_map)(void); @@ -199,21 +209,19 @@ struct machdep_calls { /* Called at then very end of pcibios_init() */ void (*pcibios_after_init)(void); - /* this is for modules, since _machine can be a define -- Cort */ - int ppc_machine; +#endif /* CONFIG_PPC32 */ -#ifdef CONFIG_KEXEC /* Called to shutdown machine specific hardware not already controlled * by other drivers. - * XXX Should we move this one out of kexec scope? */ void (*machine_shutdown)(void); +#ifdef CONFIG_KEXEC /* Called to do the minimal shutdown needed to run a kexec'd kernel * to run successfully. * XXX Should we move this one out of kexec scope? */ - void (*machine_crash_shutdown)(void); + void (*machine_crash_shutdown)(struct pt_regs *regs); /* Called to do what every setup is needed on image and the * reboot code buffer. Returns 0 on success. @@ -231,13 +239,40 @@ struct machdep_calls { */ void (*machine_kexec)(struct kimage *image); #endif /* CONFIG_KEXEC */ -#endif /* CONFIG_PPC32 */ + +#ifdef CONFIG_PCI_MSI + int (*enable_msi)(struct pci_dev *pdev); + void (*disable_msi)(struct pci_dev *pdev); +#endif /* CONFIG_PCI_MSI */ }; -extern void default_idle(void); -extern void native_idle(void); +extern void power4_idle(void); +extern void ppc6xx_idle(void); +/* + * ppc_md contains a copy of the machine description structure for the + * current platform. machine_id contains the initial address where the + * description was found during boot. + */ extern struct machdep_calls ppc_md; +extern struct machdep_calls *machine_id; + +#define __machine_desc __attribute__ ((__section__ (".machine.desc"))) + +#define define_machine(name) \ + extern struct machdep_calls mach_##name; \ + EXPORT_SYMBOL(mach_##name); \ + struct machdep_calls mach_##name __machine_desc = + +#define machine_is(name) \ + ({ \ + extern struct machdep_calls mach_##name \ + __attribute__((weak)); \ + machine_id == &mach_##name; \ + }) + +extern void probe_machine(void); + extern char cmd_line[COMMAND_LINE_SIZE]; #ifdef CONFIG_PPC_PMAC