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#ifndef _ASM_POWERPC_MACHDEP_H
#define _ASM_POWERPC_MACHDEP_H
#ifdef __KERNEL__

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <linux/export.h>

#include <asm/setup.h>

/* 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 pt_regs;
struct pci_bus;	
struct device_node;
struct iommu_table;
struct rtc_time;
struct file;
struct pci_controller;
struct kimage;
struct pci_host_bridge;

struct machdep_calls {
	char		*name;
#ifdef CONFIG_PPC64
	void __iomem *	(*ioremap)(phys_addr_t addr, unsigned long size,
				   unsigned long flags, void *caller);
	void		(*iounmap)(volatile void __iomem *token);

#ifdef CONFIG_PM
	void		(*iommu_save)(void);
	void		(*iommu_restore)(void);
#endif
#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
	unsigned long	(*memory_block_size)(void);
#endif
#endif /* CONFIG_PPC64 */

	/* Platform set_dma_mask and dma_get_required_mask overrides */
	int		(*dma_set_mask)(struct device *dev, u64 dma_mask);
	u64		(*dma_get_required_mask)(struct device *dev);

	int		(*probe)(void);
	void		(*setup_arch)(void); /* Optional, may be NULL */
	/* Optional, may be NULL. */
	void		(*show_cpuinfo)(struct seq_file *m);
	void		(*show_percpuinfo)(struct seq_file *m, int i);
	/* Returns the current operating frequency of "cpu" in Hz */
	unsigned long  	(*get_proc_freq)(unsigned int cpu);

	void		(*init_IRQ)(void);

	/* Return an irq, or 0 to indicate there are none pending. */
	unsigned int	(*get_irq)(void);

	/* PCI stuff */
	/* Called after allocating resources */
	void		(*pcibios_fixup)(void);
	void		(*pci_irq_fixup)(struct pci_dev *dev);
	int		(*pcibios_root_bridge_prepare)(struct pci_host_bridge
				*bridge);

	/* finds all the pci_controllers present at boot */
	void 		(*discover_phbs)(void);

	/* To setup PHBs when using automatic OF platform driver for PCI */
	int		(*pci_setup_phb)(struct pci_controller *host);

	void __noreturn	(*restart)(char *cmd);
	void __noreturn (*halt)(void);
	void		(*panic)(char *str);
	void		(*cpu_die)(void);

	long		(*time_init)(void); /* Optional, may be NULL */

	int		(*set_rtc_time)(struct rtc_time *);
	void		(*get_rtc_time)(struct rtc_time *);
	unsigned long	(*get_boot_time)(void);
	unsigned char 	(*rtc_read_val)(int addr);
	void		(*rtc_write_val)(int addr, unsigned char val);

	void		(*calibrate_decr)(void);

	void		(*progress)(char *, unsigned short);

	/* Interface for platform error logging */
	void 		(*log_error)(char *buf, unsigned int err_type, int fatal);

	unsigned char 	(*nvram_read_val)(int addr);
	void		(*nvram_write_val)(int addr, unsigned char val);
	ssize_t		(*nvram_write)(char *buf, size_t count, loff_t *index);
	ssize_t		(*nvram_read)(char *buf, size_t count, loff_t *index);	
	ssize_t		(*nvram_size)(void);		
	void		(*nvram_sync)(void);

	/* Exception handlers */
	int		(*system_reset_exception)(struct pt_regs *regs);
	int 		(*machine_check_exception)(struct pt_regs *regs);
	int		(*handle_hmi_exception)(struct pt_regs *regs);

	/* Early exception handlers called in realmode */
	int		(*hmi_exception_early)(struct pt_regs *regs);

	/* Called during machine check exception to retrive fixup address. */
	bool		(*mce_check_early_recovery)(struct pt_regs *regs);

	/* 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, ...);

	/* Get legacy PCI/IDE interrupt mapping */ 
	int		(*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
	
	/* Get access protection for /dev/mem */
	pgprot_t	(*phys_mem_access_prot)(struct file *file,
						unsigned long pfn,
						unsigned long size,
						pgprot_t vma_prot);

	/*
	 * 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 implementation */
	int		(*set_dabr)(unsigned long dabr,
				    unsigned long dabrx);

	/* Set DAWR for this platform, leave empty for default implementation */
	int		(*set_dawr)(unsigned long dawr,
				    unsigned long dawrx);

#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		(*kgdb_map_scc)(void);

	/*
	 * optional PCI "hooks"
	 */
	/* Called at then very end of pcibios_init() */
	void (*pcibios_after_init)(void);

#endif /* CONFIG_PPC32 */

	/* Called in indirect_* to avoid touching devices */
	int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);

	/* 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 after scan and before resource survey */
	void (*pcibios_fixup_phb)(struct pci_controller *hose);

	resource_size_t (*pcibios_default_alignment)(void);

#ifdef CONFIG_PCI_IOV
	void (*pcibios_fixup_sriov)(struct pci_dev *pdev);
	resource_size_t (*pcibios_iov_resource_alignment)(struct pci_dev *, int resno);
#endif /* CONFIG_PCI_IOV */

	/* Called to shutdown machine specific hardware not already controlled
	 * by other drivers.
	 */
	void (*machine_shutdown)(void);

#ifdef CONFIG_KEXEC_CORE
	void (*kexec_cpu_down)(int crash_shutdown, int secondary);

	/* Called to do what every setup is needed on image and the
	 * reboot code buffer. Returns 0 on success.
	 * Provide your own (maybe dummy) implementation if your platform
	 * claims to support kexec.
	 */
	int (*machine_kexec_prepare)(struct kimage *image);

	/* Called to perform the _real_ kexec.
	 * Do NOT allocate memory or fail here. We are past the point of
	 * no return.
	 */
	void (*machine_kexec)(struct kimage *image);
#endif /* CONFIG_KEXEC_CORE */

#ifdef CONFIG_SUSPEND
	/* These are called to disable and enable, respectively, IRQs when
	 * entering a suspend state.  If NULL, then the generic versions
	 * will be called.  The generic versions disable/enable the
	 * decrementer along with interrupts.
	 */
	void (*suspend_disable_irqs)(void);
	void (*suspend_enable_irqs)(void);
#endif
	int (*suspend_disable_cpu)(void);

#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
	ssize_t (*cpu_probe)(const char *, size_t);
	ssize_t (*cpu_release)(const char *, size_t);
#endif

#ifdef CONFIG_ARCH_RANDOM
	int (*get_random_seed)(unsigned long *v);
#endif
};

extern void e500_idle(void);
extern void power4_idle(void);
extern void power7_idle(void);
extern void power9_idle(void);
extern void ppc6xx_idle(void);
extern void book3e_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);

#ifdef CONFIG_PPC_PMAC
/*
 * Power macintoshes have either a CUDA, PMU or SMU 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;

#endif /* CONFIG_PPC_PMAC */

static inline void log_error(char *buf, unsigned int err_type, int fatal)
{
	if (ppc_md.log_error)
		ppc_md.log_error(buf, err_type, fatal);
}

#define __define_machine_initcall(mach, fn, id) \
	static int __init __machine_initcall_##mach##_##fn(void) { \
		if (machine_is(mach)) return fn(); \
		return 0; \
	} \
	__define_initcall(__machine_initcall_##mach##_##fn, id);

#define machine_early_initcall(mach, fn)	__define_machine_initcall(mach, fn, early)
#define machine_core_initcall(mach, fn)		__define_machine_initcall(mach, fn, 1)
#define machine_core_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 1s)
#define machine_postcore_initcall(mach, fn)	__define_machine_initcall(mach, fn, 2)
#define machine_postcore_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 2s)
#define machine_arch_initcall(mach, fn)		__define_machine_initcall(mach, fn, 3)
#define machine_arch_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 3s)
#define machine_subsys_initcall(mach, fn)	__define_machine_initcall(mach, fn, 4)
#define machine_subsys_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 4s)
#define machine_fs_initcall(mach, fn)		__define_machine_initcall(mach, fn, 5)
#define machine_fs_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 5s)
#define machine_rootfs_initcall(mach, fn)	__define_machine_initcall(mach, fn, rootfs)
#define machine_device_initcall(mach, fn)	__define_machine_initcall(mach, fn, 6)
#define machine_device_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 6s)
#define machine_late_initcall(mach, fn)		__define_machine_initcall(mach, fn, 7)
#define machine_late_initcall_sync(mach, fn)	__define_machine_initcall(mach, fn, 7s)

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MACHDEP_H */

Filemanager

Name Type Size Permission Actions
book3s Folder 0755
nohash Folder 0755
8xx_immap.h File 13.77 KB 0644
Kbuild File 248 B 0644
accounting.h File 1 KB 0644
agp.h File 525 B 0644
archrandom.h File 1016 B 0644
asm-compat.h File 2.53 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 4.78 KB 0644
async_tx.h File 1.64 KB 0644
atomic.h File 13.57 KB 0644
backlight.h File 1.09 KB 0644
barrier.h File 3.57 KB 0644
bitops.h File 7.8 KB 0644
bootx.h File 1.12 KB 0644
btext.h File 926 B 0644
bug.h File 3.55 KB 0644
bugs.h File 486 B 0644
cache.h File 2.47 KB 0644
cacheflush.h File 3.76 KB 0644
cell-pmu.h File 4.04 KB 0644
cell-regs.h File 9.57 KB 0644
checksum.h File 5.85 KB 0644
cmpxchg.h File 12.16 KB 0644
code-patching-asm.h File 397 B 0644
code-patching.h File 5.01 KB 0644
compat.h File 6.26 KB 0644
context_tracking.h File 245 B 0644
copro.h File 769 B 0644
cpm.h File 5.09 KB 0644
cpm1.h File 21.08 KB 0644
cpm2.h File 48.43 KB 0644
cpu_has_feature.h File 1.31 KB 0644
cpufeature.h File 1.18 KB 0644
cpuidle.h File 3.31 KB 0644
cputable.h File 22.56 KB 0644
cputhreads.h File 2.92 KB 0644
cputime.h File 1.59 KB 0644
current.h File 835 B 0644
dbdma.h File 3.72 KB 0644
dbell.h File 2.78 KB 0644
dcr-generic.h File 1.58 KB 0644
dcr-mmio.h File 1.68 KB 0644
dcr-native.h File 4.42 KB 0644
dcr-regs.h File 5.71 KB 0644
dcr.h File 2.73 KB 0644
debug.h File 1.97 KB 0644
debugfs.h File 489 B 0644
delay.h File 3.42 KB 0644
device.h File 1.1 KB 0644
disassemble.h File 2.73 KB 0644
dma-mapping.h File 4.12 KB 0644
dma.h File 10.51 KB 0644
dt_cpu_ftrs.h File 816 B 0644
edac.h File 1.08 KB 0644
eeh.h File 14.44 KB 0644
eeh_event.h File 1.36 KB 0644
ehv_pic.h File 963 B 0644
elf.h File 6.29 KB 0644
emergency-restart.h File 43 B 0644
emulated_ops.h File 2.58 KB 0644
epapr_hcalls.h File 16.44 KB 0644
exception-64e.h File 7.21 KB 0644
exception-64s.h File 22.72 KB 0644
exec.h File 246 B 0644
extable.h File 904 B 0644
fadump.h File 6.1 KB 0644
fb.h File 483 B 0644
feature-fixups.h File 8.76 KB 0644
firmware.h File 4.71 KB 0644
fixmap.h File 2.33 KB 0644
floppy.h File 4.86 KB 0644
fs_pd.h File 1.02 KB 0644
fsl_85xx_cache_sram.h File 1.43 KB 0644
fsl_gtm.h File 1.38 KB 0644
fsl_hcalls.h File 17.2 KB 0644
fsl_lbc.h File 10.9 KB 0644
fsl_pamu_stash.h File 1.1 KB 0644
fsl_pm.h File 1.36 KB 0644
ftrace.h File 2.1 KB 0644
futex.h File 2.4 KB 0644
grackle.h File 331 B 0644
hardirq.h File 1.15 KB 0644
head-64.h File 13.86 KB 0644
heathrow.h File 2.53 KB 0644
highmem.h File 2.41 KB 0644
hmi.h File 1.49 KB 0644
hugetlb.h File 4.73 KB 0644
hvcall.h File 15.35 KB 0644
hvconsole.h File 1.37 KB 0644
hvcserver.h File 2.09 KB 0644
hvsi.h File 2.78 KB 0644
hw_breakpoint.h File 3.07 KB 0644
hw_irq.h File 5.24 KB 0644
hydra.h File 2.91 KB 0644
i8259.h File 361 B 0644
ibmebus.h File 2.15 KB 0644
icswx.h File 4.71 KB 0644
ide.h File 586 B 0644
ima.h File 772 B 0644
imc-pmu.h File 2.87 KB 0644
immap_cpm2.h File 10.5 KB 0644
io-defs.h File 3.09 KB 0644
io-workarounds.h File 1.54 KB 0644
io.h File 28.02 KB 0644
io_event_irq.h File 1.91 KB 0644
iommu.h File 10.16 KB 0644
ipic.h File 3.51 KB 0644
irq.h File 1.83 KB 0644
irq_work.h File 252 B 0644
irqflags.h File 1.7 KB 0644
isa-bridge.h File 654 B 0644
jump_label.h File 1.62 KB 0644
kdebug.h File 291 B 0644
kdump.h File 1.37 KB 0644
kexec.h File 4.02 KB 0644
keylargo.h File 10.8 KB 0644
kgdb.h File 2.06 KB 0644
kmap_types.h File 434 B 0644
kprobes.h File 3.75 KB 0644
kup.h File 1021 B 0644
kvm_asm.h File 5.46 KB 0644
kvm_book3s.h File 12.06 KB 0644
kvm_book3s_32.h File 1.39 KB 0644
kvm_book3s_64.h File 12.62 KB 0644
kvm_book3s_asm.h File 4.4 KB 0644
kvm_booke.h File 2.68 KB 0644
kvm_booke_hv_asm.h File 2.03 KB 0644
kvm_fpu.h File 2.74 KB 0644
kvm_host.h File 19.92 KB 0644
kvm_para.h File 1.49 KB 0644
kvm_ppc.h File 34.83 KB 0644
libata-portmap.h File 249 B 0644
linkage.h File 501 B 0644
livepatch.h File 1.65 KB 0644
local.h File 3.79 KB 0644
lppaca.h File 5.02 KB 0644
lv1call.h File 18.74 KB 0644
machdep.h File 9.7 KB 0644
macio.h File 3.89 KB 0644
mc146818rtc.h File 943 B 0644
mce.h File 5.58 KB 0644
mediabay.h File 1.34 KB 0644
mm-arch-hooks.h File 839 B 0644
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mmu-8xx.h File 8.6 KB 0644
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mpc52xx_psc.h File 9.89 KB 0644
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mpic.h File 13.97 KB 0644
mpic_msgr.h File 3.52 KB 0644
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msi_bitmap.h File 1.01 KB 0644
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paca.h File 8.06 KB 0644
page.h File 10.65 KB 0644
page_32.h File 1.57 KB 0644
page_64.h File 2.93 KB 0644
parport.h File 956 B 0644
pasemi_dma.h File 23.32 KB 0644
pci-bridge.h File 9.21 KB 0644
pci.h File 4.58 KB 0644
percpu.h File 468 B 0644
perf_event.h File 1.23 KB 0644
perf_event_fsl_emb.h File 1.42 KB 0644
perf_event_server.h File 6.3 KB 0644
pgalloc.h File 620 B 0644
pgtable-be-types.h File 2.76 KB 0644
pgtable-types.h File 1.94 KB 0644
pgtable.h File 2.45 KB 0644
plpar_wrappers.h File 8.35 KB 0644
pmac_feature.h File 13.08 KB 0644
pmac_low_i2c.h File 3.24 KB 0644
pmac_pfunc.h File 8.01 KB 0644
pmc.h File 1.35 KB 0644
pmi.h File 1.77 KB 0644
pnv-ocxl.h File 1.4 KB 0644
pnv-pci.h File 3.22 KB 0644
powernv.h File 1.57 KB 0644
ppc-opcode.h File 19.05 KB 0644
ppc-pci.h File 2.69 KB 0644
ppc4xx.h File 530 B 0644
ppc4xx_ocm.h File 1.41 KB 0644
ppc_asm.h File 21.63 KB 0644
probes.h File 2.11 KB 0644
processor.h File 15 KB 0644
prom.h File 7.17 KB 0644
ps3.h File 15.44 KB 0644
ps3av.h File 23.49 KB 0644
ps3gpu.h File 2.44 KB 0644
ps3stor.h File 1.99 KB 0644
pte-common.h File 6.27 KB 0644
pte-walk.h File 1.11 KB 0644
ptrace.h File 7.14 KB 0644
reg.h File 61.61 KB 0644
reg_8xx.h File 4.96 KB 0644
reg_a2.h File 6.16 KB 0644
reg_booke.h File 36.17 KB 0644
reg_fsl_emb.h File 3.65 KB 0644
rheap.h File 2.43 KB 0644
rio.h File 637 B 0644
rtas.h File 14.67 KB 0644
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scom.h File 4.92 KB 0644
seccomp.h File 249 B 0644
sections.h File 1.9 KB 0644
security_features.h File 3.03 KB 0644
serial.h File 677 B 0644
setjmp.h File 630 B 0644
setup.h File 2.44 KB 0644
sfp-machine.h File 12.38 KB 0644
shmparam.h File 206 B 0644
signal.h File 225 B 0644
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smp.h File 6.13 KB 0644
smu.h File 19.33 KB 0644
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spinlock.h File 7.04 KB 0644
spinlock_types.h File 424 B 0644
spu.h File 25.28 KB 0644
spu_csa.h File 6.64 KB 0644
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syscalls.h File 684 B 0644
systbl.h File 9.28 KB 0644
tce.h File 1.72 KB 0644
termios.h File 860 B 0644
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time.h File 4.82 KB 0644
timex.h File 967 B 0644
tlb.h File 2.47 KB 0644
tlbflush.h File 2.93 KB 0644
tm.h File 690 B 0644
topology.h File 2.92 KB 0644
trace.h File 4.17 KB 0644
trace_clock.h File 517 B 0644
tsi108.h File 3.39 KB 0644
tsi108_irq.h File 4.48 KB 0644
tsi108_pci.h File 1.82 KB 0644
types.h File 1 KB 0644
uaccess.h File 13.21 KB 0644
udbg.h File 2.16 KB 0644
uic.h File 616 B 0644
unaligned.h File 548 B 0644
uninorth.h File 8.21 KB 0644
unistd.h File 1.52 KB 0644
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user.h File 2.14 KB 0644
vas.h File 4.61 KB 0644
vdso.h File 1.53 KB 0644
vdso_datapage.h File 4.4 KB 0644
vga.h File 1.24 KB 0644
vio.h File 4.79 KB 0644
word-at-a-time.h File 4.75 KB 0644
xics.h File 4.31 KB 0644
xilinx_intc.h File 598 B 0644
xilinx_pci.h File 551 B 0644
xive-regs.h File 3.73 KB 0644
xive.h File 5.35 KB 0644
xmon.h File 927 B 0644
xor.h File 2.11 KB 0644