#ifdef __KERNEL__
#ifndef _PPC64_MACHDEP_H
#define _PPC64_MACHDEP_H
/*
* 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/config.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
#include <asm/setup.h>
struct pt_regs;
struct pci_bus;
struct device_node;
struct iommu_table;
struct rtc_time;
struct file;
#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 {
void (*hpte_invalidate)(unsigned long slot,
unsigned long va,
int large,
int local);
long (*hpte_updatepp)(unsigned long slot,
unsigned long newpp,
unsigned long va,
int large,
int local);
void (*hpte_updateboltedpp)(unsigned long newpp,
unsigned long ea);
long (*hpte_insert)(unsigned long hpte_group,
unsigned long va,
unsigned long prpn,
unsigned long vflags,
unsigned long rflags);
long (*hpte_remove)(unsigned long hpte_group);
void (*flush_hash_range)(unsigned long context,
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);
void (*tce_build)(struct iommu_table * tbl,
long index,
long npages,
unsigned long uaddr,
enum dma_data_direction direction);
void (*tce_free)(struct iommu_table *tbl,
long index,
long npages);
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 (*probe)(int platform);
void (*setup_arch)(void);
void (*init_early)(void);
/* Optional, may be NULL. */
void (*get_cpuinfo)(struct seq_file *m);
void (*init_IRQ)(void);
int (*get_irq)(struct pt_regs *);
void (*cpu_irq_down)(int secondary);
/* PCI stuff */
void (*pcibios_fixup)(void);
void (*restart)(char *cmd);
void (*power_off)(void);
void (*halt)(void);
void (*panic)(char *str);
void (*cpu_die)(void);
int (*set_rtc_time)(struct rtc_time *);
void (*get_rtc_time)(struct rtc_time *);
void (*get_boot_time)(struct rtc_time *);
void (*calibrate_decr)(void);
void (*progress)(char *, unsigned short);
/* Debug interface. Low level I/O to some terminal device */
void (*udbg_putc)(unsigned char c);
unsigned char (*udbg_getc)(void);
int (*udbg_getc_poll)(void);
/* Interface for platform error logging */
void (*log_error)(char *buf, unsigned int err_type, int fatal);
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);
int (*nvram_sync)(void);
/* Exception handlers */
void (*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, ...);
/* Check availability of legacy devices like i8042 */
int (*check_legacy_ioport)(unsigned int baseport);
/* 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 offset,
unsigned long size,
pgprot_t vma_prot);
/* Idle loop for this platform, leave empty for default idle loop */
int (*idle_loop)(void);
/* Function to enable pmcs for this platform, called once per cpu. */
void (*enable_pmcs)(void);
};
extern int default_idle(void);
extern int native_idle(void);
extern struct machdep_calls ppc_md;
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 */
/* 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);
/* Print something that needs attention (device error, etc) */
void ppc64_attention_msg(unsigned int src, const char *msg);
/* Print a dump progress message. */
void ppc64_dump_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);
}
#endif /* _PPC64_MACHDEP_H */
#endif /* __KERNEL__ */
