Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

1 files changed, 365 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
new file mode 100644
index 000000000000..893aafd87fde
--- /dev/null
+++ b/arch/powerpc/include/asm/machdep.h
@@ -0,0 +1,365 @@
+#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 <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;
+#ifdef CONFIG_KEXEC
+struct kimage;
+#endif
+
+#ifdef CONFIG_SMP
+struct smp_ops_t {
+	void  (*message_pass)(int target, int msg);
+	int   (*probe)(void);
+	void  (*kick_cpu)(int nr);
+	void  (*setup_cpu)(int nr);
+	void  (*take_timebase)(void);
+	void  (*give_timebase)(void);
+	int   (*cpu_enable)(unsigned int nr);
+	int   (*cpu_disable)(void);
+	void  (*cpu_die)(unsigned int nr);
+	int   (*cpu_bootable)(unsigned int nr);
+};
+#endif
+
+struct machdep_calls {
+	char		*name;
+#ifdef CONFIG_PPC64
+	void            (*hpte_invalidate)(unsigned long slot,
+					   unsigned long va,
+					   int psize, int ssize,
+					   int local);
+	long		(*hpte_updatepp)(unsigned long slot, 
+					 unsigned long newpp, 
+					 unsigned long va,
+					 int psize, int ssize,
+					 int local);
+	void            (*hpte_updateboltedpp)(unsigned long newpp, 
+					       unsigned long ea,
+					       int psize, int ssize);
+	long		(*hpte_insert)(unsigned long hpte_group,
+				       unsigned long va,
+				       unsigned long prpn,
+				       unsigned long rflags,
+				       unsigned long vflags,
+				       int psize, int ssize);
+	long		(*hpte_remove)(unsigned long hpte_group);
+	void            (*hpte_removebolted)(unsigned long ea,
+					     int psize, int ssize);
+	void		(*flush_hash_range)(unsigned long number, int local);
+
+	/* special for kexec, to be called in real mode, linar mapping is
+	 * destroyed as well */
+	void		(*hpte_clear_all)(void);
+
+	int		(*tce_build)(struct iommu_table *tbl,
+				     long index,
+				     long npages,
+				     unsigned long uaddr,
+				     enum dma_data_direction direction,
+				     struct dma_attrs *attrs);
+	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		(*pci_dma_dev_setup)(struct pci_dev *dev);
+	void		(*pci_dma_bus_setup)(struct pci_bus *bus);
+
+	void __iomem *	(*ioremap)(phys_addr_t addr, unsigned long size,
+				   unsigned long flags);
+	void		(*iounmap)(volatile void __iomem *token);
+
+#ifdef CONFIG_PM
+	void		(*iommu_save)(void);
+	void		(*iommu_restore)(void);
+#endif
+#endif /* CONFIG_PPC64 */
+
+	int		(*probe)(void);
+	void		(*setup_arch)(void); /* Optional, may be NULL */
+	void		(*init_early)(void);
+	/* Optional, may be NULL. */
+	void		(*show_cpuinfo)(struct seq_file *m);
+	void		(*show_percpuinfo)(struct seq_file *m, int i);
+
+	void		(*init_IRQ)(void);
+	unsigned int	(*get_irq)(void);
+#ifdef CONFIG_KEXEC
+	void		(*kexec_cpu_down)(int crash_shutdown, int secondary);
+#endif
+
+	/* PCI stuff */
+	/* Called after scanning the bus, before allocating resources */
+	void		(*pcibios_fixup)(void);
+	int		(*pci_probe_mode)(struct pci_bus *);
+	void		(*pci_irq_fixup)(struct pci_dev *dev);
+
+	/* To setup PHBs when using automatic OF platform driver for PCI */
+	int		(*pci_setup_phb)(struct pci_controller *host);
+
+#ifdef CONFIG_PCI_MSI
+	int		(*msi_check_device)(struct pci_dev* dev,
+					    int nvec, int type);
+	int		(*setup_msi_irqs)(struct pci_dev *dev,
+					  int nvec, int type);
+	void		(*teardown_msi_irqs)(struct pci_dev *dev);
+#endif
+
+	void		(*restart)(char *cmd);
+	void		(*power_off)(void);
+	void		(*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);
+
+	/* 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);
+
+	/* 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		(*kgdb_map_scc)(void);
+
+	/*
+	 * optional PCI "hooks"
+	 */
+	/* Called in indirect_* to avoid touching devices */
+	int (*pci_exclude_device)(struct pci_controller *, unsigned char, unsigned char);
+
+	/* Called at then very end of pcibios_init() */
+	void (*pcibios_after_init)(void);
+
+#endif /* CONFIG_PPC32 */
+
+	/* 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. Returns 0 to
+	 * allow assignment/enabling of the device. */
+	int  (*pcibios_enable_device_hook)(struct pci_dev *);
+
+	/* Called to shutdown machine specific hardware not already controlled
+	 * by other drivers.
+	 */
+	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)(struct pt_regs *regs);
+
+	/* 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 handle any machine specific cleanup on image */
+	void (*machine_kexec_cleanup)(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 */
+
+#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
+};
+
+extern void e500_idle(void);
+extern void power4_idle(void);
+extern void power4_cpu_offline_powersave(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
+/*
+ * 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 */
+
+extern void setup_pci_ptrs(void);
+
+#ifdef CONFIG_SMP
+/* Poor default implementations */
+extern void __devinit smp_generic_give_timebase(void);
+extern void __devinit smp_generic_take_timebase(void);
+#endif /* CONFIG_SMP */
+
+
+/* Functions to produce codes on the leds.
+ * The SRC code should be unique for the message category and should
+ * be limited to the lower 24 bits (the upper 8 are set by these funcs),
+ * and (for boot & dump) should be sorted numerically in the order
+ * the events occur.
+ */
+/* Print a boot progress message. */
+void ppc64_boot_msg(unsigned int src, const char *msg);
+/* Print a termination message (print only -- does not stop the kernel) */
+void ppc64_terminate_msg(unsigned int src, const char *msg);
+
+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,level,fn,id) \
+	static int __init __machine_initcall_##mach##_##fn(void) { \
+		if (machine_is(mach)) return fn(); \
+		return 0; \
+	} \
+	__define_initcall(level,__machine_initcall_##mach##_##fn,id);
+
+#define machine_core_initcall(mach,fn)		__define_machine_initcall(mach,"1",fn,1)
+#define machine_core_initcall_sync(mach,fn)	__define_machine_initcall(mach,"1s",fn,1s)
+#define machine_postcore_initcall(mach,fn)	__define_machine_initcall(mach,"2",fn,2)
+#define machine_postcore_initcall_sync(mach,fn)	__define_machine_initcall(mach,"2s",fn,2s)
+#define machine_arch_initcall(mach,fn)		__define_machine_initcall(mach,"3",fn,3)
+#define machine_arch_initcall_sync(mach,fn)	__define_machine_initcall(mach,"3s",fn,3s)
+#define machine_subsys_initcall(mach,fn)	__define_machine_initcall(mach,"4",fn,4)
+#define machine_subsys_initcall_sync(mach,fn)	__define_machine_initcall(mach,"4s",fn,4s)
+#define machine_fs_initcall(mach,fn)		__define_machine_initcall(mach,"5",fn,5)
+#define machine_fs_initcall_sync(mach,fn)	__define_machine_initcall(mach,"5s",fn,5s)
+#define machine_rootfs_initcall(mach,fn)	__define_machine_initcall(mach,"rootfs",fn,rootfs)
+#define machine_device_initcall(mach,fn)	__define_machine_initcall(mach,"6",fn,6)
+#define machine_device_initcall_sync(mach,fn)	__define_machine_initcall(mach,"6s",fn,6s)
+#define machine_late_initcall(mach,fn)		__define_machine_initcall(mach,"7",fn,7)
+#define machine_late_initcall_sync(mach,fn)	__define_machine_initcall(mach,"7s",fn,7s)
+
+void generic_suspend_disable_irqs(void);
+void generic_suspend_enable_irqs(void);
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_MACHDEP_H */