191 lines
5.5 KiB
C
191 lines
5.5 KiB
C
#ifdef __KERNEL__
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#ifndef _PPC64_MACHDEP_H
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#define _PPC64_MACHDEP_H
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/config.h>
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#include <linux/seq_file.h>
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#include <linux/init.h>
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#include <linux/dma-mapping.h>
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#include <asm/setup.h>
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struct pt_regs;
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struct pci_bus;
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struct device_node;
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struct iommu_table;
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struct rtc_time;
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struct file;
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#ifdef CONFIG_SMP
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struct smp_ops_t {
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void (*message_pass)(int target, int msg);
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int (*probe)(void);
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void (*kick_cpu)(int nr);
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void (*setup_cpu)(int nr);
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void (*take_timebase)(void);
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void (*give_timebase)(void);
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int (*cpu_enable)(unsigned int nr);
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int (*cpu_disable)(void);
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void (*cpu_die)(unsigned int nr);
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int (*cpu_bootable)(unsigned int nr);
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};
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#endif
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struct machdep_calls {
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void (*hpte_invalidate)(unsigned long slot,
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unsigned long va,
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int large,
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int local);
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long (*hpte_updatepp)(unsigned long slot,
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unsigned long newpp,
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unsigned long va,
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int large,
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int local);
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void (*hpte_updateboltedpp)(unsigned long newpp,
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unsigned long ea);
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long (*hpte_insert)(unsigned long hpte_group,
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unsigned long va,
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unsigned long prpn,
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unsigned long vflags,
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unsigned long rflags);
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long (*hpte_remove)(unsigned long hpte_group);
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void (*flush_hash_range)(unsigned long context,
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unsigned long number,
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int local);
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/* special for kexec, to be called in real mode, linar mapping is
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* destroyed as well */
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void (*hpte_clear_all)(void);
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void (*tce_build)(struct iommu_table * tbl,
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long index,
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long npages,
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unsigned long uaddr,
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enum dma_data_direction direction);
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void (*tce_free)(struct iommu_table *tbl,
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long index,
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long npages);
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void (*tce_flush)(struct iommu_table *tbl);
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void (*iommu_dev_setup)(struct pci_dev *dev);
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void (*iommu_bus_setup)(struct pci_bus *bus);
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void (*irq_bus_setup)(struct pci_bus *bus);
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int (*probe)(int platform);
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void (*setup_arch)(void);
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void (*init_early)(void);
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/* Optional, may be NULL. */
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void (*get_cpuinfo)(struct seq_file *m);
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void (*init_IRQ)(void);
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int (*get_irq)(struct pt_regs *);
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void (*cpu_irq_down)(void);
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/* PCI stuff */
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void (*pcibios_fixup)(void);
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void (*restart)(char *cmd);
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void (*power_off)(void);
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void (*halt)(void);
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void (*panic)(char *str);
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void (*cpu_die)(void);
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int (*set_rtc_time)(struct rtc_time *);
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void (*get_rtc_time)(struct rtc_time *);
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void (*get_boot_time)(struct rtc_time *);
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void (*calibrate_decr)(void);
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void (*progress)(char *, unsigned short);
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/* Debug interface. Low level I/O to some terminal device */
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void (*udbg_putc)(unsigned char c);
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unsigned char (*udbg_getc)(void);
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int (*udbg_getc_poll)(void);
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/* Interface for platform error logging */
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void (*log_error)(char *buf, unsigned int err_type, int fatal);
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ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
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ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
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ssize_t (*nvram_size)(void);
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int (*nvram_sync)(void);
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/* Exception handlers */
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void (*system_reset_exception)(struct pt_regs *regs);
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int (*machine_check_exception)(struct pt_regs *regs);
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/* Motherboard/chipset features. This is a kind of general purpose
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* hook used to control some machine specific features (like reset
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* lines, chip power control, etc...).
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*/
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long (*feature_call)(unsigned int feature, ...);
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/* Check availability of legacy devices like i8042 */
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int (*check_legacy_ioport)(unsigned int baseport);
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/* Get legacy PCI/IDE interrupt mapping */
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int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
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/* Get access protection for /dev/mem */
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pgprot_t (*phys_mem_access_prot)(struct file *file,
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unsigned long offset,
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unsigned long size,
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pgprot_t vma_prot);
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/* Idle loop for this platform, leave empty for default idle loop */
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int (*idle_loop)(void);
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};
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extern int default_idle(void);
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extern int native_idle(void);
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extern struct machdep_calls ppc_md;
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extern char cmd_line[COMMAND_LINE_SIZE];
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#ifdef CONFIG_PPC_PMAC
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/*
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* Power macintoshes have either a CUDA, PMU or SMU controlling
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* system reset, power, NVRAM, RTC.
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*/
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typedef enum sys_ctrler_kind {
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SYS_CTRLER_UNKNOWN = 0,
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SYS_CTRLER_CUDA = 1,
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SYS_CTRLER_PMU = 2,
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SYS_CTRLER_SMU = 3,
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} sys_ctrler_t;
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extern sys_ctrler_t sys_ctrler;
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#endif /* CONFIG_PPC_PMAC */
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/* Functions to produce codes on the leds.
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* The SRC code should be unique for the message category and should
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* be limited to the lower 24 bits (the upper 8 are set by these funcs),
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* and (for boot & dump) should be sorted numerically in the order
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* the events occur.
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*/
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/* Print a boot progress message. */
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void ppc64_boot_msg(unsigned int src, const char *msg);
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/* Print a termination message (print only -- does not stop the kernel) */
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void ppc64_terminate_msg(unsigned int src, const char *msg);
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/* Print something that needs attention (device error, etc) */
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void ppc64_attention_msg(unsigned int src, const char *msg);
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/* Print a dump progress message. */
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void ppc64_dump_msg(unsigned int src, const char *msg);
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static inline void log_error(char *buf, unsigned int err_type, int fatal)
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{
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if (ppc_md.log_error)
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ppc_md.log_error(buf, err_type, fatal);
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}
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#endif /* _PPC64_MACHDEP_H */
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#endif /* __KERNEL__ */
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