2 #ifndef _PPC64_MACHDEP_H
3 #define _PPC64_MACHDEP_H
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
12 #include <linux/config.h>
13 #include <linux/seq_file.h>
14 #include <linux/init.h>
15 #include <linux/dma-mapping.h>
17 #include <asm/setup.h>
28 void (*message_pass
)(int target
, int msg
);
30 void (*kick_cpu
)(int nr
);
31 void (*setup_cpu
)(int nr
);
32 void (*take_timebase
)(void);
33 void (*give_timebase
)(void);
34 int (*cpu_enable
)(unsigned int nr
);
35 int (*cpu_disable
)(void);
36 void (*cpu_die
)(unsigned int nr
);
37 int (*cpu_bootable
)(unsigned int nr
);
41 struct machdep_calls
{
42 void (*hpte_invalidate
)(unsigned long slot
,
46 long (*hpte_updatepp
)(unsigned long slot
,
51 void (*hpte_updateboltedpp
)(unsigned long newpp
,
53 long (*hpte_insert
)(unsigned long hpte_group
,
57 unsigned long rflags
);
58 long (*hpte_remove
)(unsigned long hpte_group
);
59 void (*flush_hash_range
)(unsigned long number
, int local
);
61 /* special for kexec, to be called in real mode, linar mapping is
62 * destroyed as well */
63 void (*hpte_clear_all
)(void);
65 void (*tce_build
)(struct iommu_table
* tbl
,
69 enum dma_data_direction direction
);
70 void (*tce_free
)(struct iommu_table
*tbl
,
73 void (*tce_flush
)(struct iommu_table
*tbl
);
74 void (*iommu_dev_setup
)(struct pci_dev
*dev
);
75 void (*iommu_bus_setup
)(struct pci_bus
*bus
);
76 void (*irq_bus_setup
)(struct pci_bus
*bus
);
78 int (*probe
)(int platform
);
79 void (*setup_arch
)(void);
80 void (*init_early
)(void);
81 /* Optional, may be NULL. */
82 void (*get_cpuinfo
)(struct seq_file
*m
);
84 void (*init_IRQ
)(void);
85 int (*get_irq
)(struct pt_regs
*);
86 void (*cpu_irq_down
)(int secondary
);
89 void (*pcibios_fixup
)(void);
90 int (*pci_probe_mode
)(struct pci_bus
*);
92 void (*restart
)(char *cmd
);
93 void (*power_off
)(void);
95 void (*panic
)(char *str
);
96 void (*cpu_die
)(void);
98 int (*set_rtc_time
)(struct rtc_time
*);
99 void (*get_rtc_time
)(struct rtc_time
*);
100 void (*get_boot_time
)(struct rtc_time
*);
102 void (*calibrate_decr
)(void);
104 void (*progress
)(char *, unsigned short);
106 /* Interface for platform error logging */
107 void (*log_error
)(char *buf
, unsigned int err_type
, int fatal
);
109 ssize_t (*nvram_write
)(char *buf
, size_t count
, loff_t
*index
);
110 ssize_t (*nvram_read
)(char *buf
, size_t count
, loff_t
*index
);
111 ssize_t (*nvram_size
)(void);
112 int (*nvram_sync
)(void);
114 /* Exception handlers */
115 void (*system_reset_exception
)(struct pt_regs
*regs
);
116 int (*machine_check_exception
)(struct pt_regs
*regs
);
118 /* Motherboard/chipset features. This is a kind of general purpose
119 * hook used to control some machine specific features (like reset
120 * lines, chip power control, etc...).
122 long (*feature_call
)(unsigned int feature
, ...);
124 /* Check availability of legacy devices like i8042 */
125 int (*check_legacy_ioport
)(unsigned int baseport
);
127 /* Get legacy PCI/IDE interrupt mapping */
128 int (*pci_get_legacy_ide_irq
)(struct pci_dev
*dev
, int channel
);
130 /* Get access protection for /dev/mem */
131 pgprot_t (*phys_mem_access_prot
)(struct file
*file
,
132 unsigned long offset
,
136 /* Idle loop for this platform, leave empty for default idle loop */
137 int (*idle_loop
)(void);
139 /* Function to enable pmcs for this platform, called once per cpu. */
140 void (*enable_pmcs
)(void);
143 extern int default_idle(void);
144 extern int native_idle(void);
146 extern struct machdep_calls ppc_md
;
147 extern char cmd_line
[COMMAND_LINE_SIZE
];
149 #ifdef CONFIG_PPC_PMAC
151 * Power macintoshes have either a CUDA, PMU or SMU controlling
152 * system reset, power, NVRAM, RTC.
154 typedef enum sys_ctrler_kind
{
155 SYS_CTRLER_UNKNOWN
= 0,
160 extern sys_ctrler_t sys_ctrler
;
162 #endif /* CONFIG_PPC_PMAC */
166 /* Functions to produce codes on the leds.
167 * The SRC code should be unique for the message category and should
168 * be limited to the lower 24 bits (the upper 8 are set by these funcs),
169 * and (for boot & dump) should be sorted numerically in the order
172 /* Print a boot progress message. */
173 void ppc64_boot_msg(unsigned int src
, const char *msg
);
174 /* Print a termination message (print only -- does not stop the kernel) */
175 void ppc64_terminate_msg(unsigned int src
, const char *msg
);
177 static inline void log_error(char *buf
, unsigned int err_type
, int fatal
)
179 if (ppc_md
.log_error
)
180 ppc_md
.log_error(buf
, err_type
, fatal
);
183 #endif /* _PPC64_MACHDEP_H */
184 #endif /* __KERNEL__ */