1 #ifdef __KERNEL__
2 #ifndef _PPC_MACHDEP_H
3 #define _PPC_MACHDEP_H
4
5 /*
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.
10 */
11
12 #include <linux/config.h>
13 #include <linux/seq_file.h>
14 #include <linux/irq.h>
15
16 struct pt_regs;
17 struct pci_bus;
18 struct pci_dev;
19 struct kbd_repeat;
20 struct device_node;
21 struct TceTable;
22 struct rtc_time;
23
24 struct machdep_calls {
25 void (*hpte_invalidate)(unsigned long slot,
26 unsigned long secondary,
27 unsigned long va,
28 int large, int local);
29 long (*hpte_updatepp)(unsigned long slot,
30 unsigned long secondary,
31 unsigned long newpp,
32 unsigned long va,
33 int large);
34 void (*hpte_updateboltedpp)(unsigned long newpp,
35 unsigned long ea);
36 long (*hpte_insert)(unsigned long vpn,
37 unsigned long prpn,
38 unsigned long hpteflags,
39 int bolted,
40 int large);
41 long (*hpte_remove)(unsigned long hpte_group);
42
43 void (*tce_build)(struct TceTable * tbl,
44 long tcenum,
45 unsigned long uaddr,
46 int direction);
47 void (*tce_free_one)(struct TceTable *tbl,
48 long tcenum);
49
50 void (*smp_message_pass)(int target,
51 int msg,
52 unsigned long data,
53 int wait);
54 int (*smp_probe)(void);
55 void (*smp_kick_cpu)(int nr);
56 void (*smp_setup_cpu)(int nr);
57
58 void (*setup_arch)(void);
59 /* Optional, may be NULL. */
60 void (*setup_residual)(struct seq_file *m, int cpu_id);
61 /* Optional, may be NULL. */
62 void (*get_cpuinfo)(struct seq_file *m);
63 /* Optional, may be NULL. */
64 unsigned int (*irq_cannonicalize)(unsigned int irq);
65 void (*init_IRQ)(void);
66 void (*init_ras_IRQ)(void);
67 void (*init_irq_desc)(irq_desc_t *desc);
68 int (*get_irq)(struct pt_regs *);
69
70 /* A general init function, called by ppc_init in init/main.c.
71 May be NULL. */
72 void (*init)(void);
73
74 void (*restart)(char *cmd);
75 void (*power_off)(void);
76 void (*halt)(void);
77
78 long (*time_init)(void); /* Optional, may be NULL */
79 int (*set_rtc_time)(struct rtc_time *);
80 void (*get_rtc_time)(struct rtc_time *);
81 void (*get_boot_time)(struct rtc_time *);
82 void (*calibrate_decr)(void);
83
84 void (*progress)(char *, unsigned short);
85
86
87 unsigned char (*nvram_read_val)(int addr);
88 void (*nvram_write_val)(int addr, unsigned char val);
89
90 /* Tons of keyboard stuff. */
91 int (*kbd_setkeycode)(unsigned int scancode,
92 unsigned int keycode);
93 int (*kbd_getkeycode)(unsigned int scancode);
94 int (*kbd_translate)(unsigned char scancode,
95 unsigned char *keycode,
96 char raw_mode);
97 char (*kbd_unexpected_up)(unsigned char keycode);
98 void (*kbd_leds)(unsigned char leds);
99 void (*kbd_init_hw)(void);
100 #ifdef CONFIG_MAGIC_SYSRQ
101 unsigned char *ppc_kbd_sysrq_xlate;
102 #endif
103
104 /* Debug interface. Low level I/O to some terminal device */
105 void (*udbg_putc)(unsigned char c);
106 unsigned char (*udbg_getc)(void);
107 int (*udbg_getc_poll)(void);
108
109 /* PCI interfaces */
110 int (*pcibios_read_config_byte)(struct device_node *dn, int offset, u8 *val);
111 int (*pcibios_read_config_word)(struct device_node *dn, int offset, u16 *val);
112 int (*pcibios_read_config_dword)(struct device_node *dn, int offset, u32 *val);
113 int (*pcibios_write_config_byte)(struct device_node *dn, int offset, u8 val);
114 int (*pcibios_write_config_word)(struct device_node *dn, int offset, u16 val);
115 int (*pcibios_write_config_dword)(struct device_node *dn, int offset, u32 val);
116
117 /* Called after scanning the bus, before allocating
118 * resources
119 */
120 void (*pcibios_fixup)(void);
121
122 /* Called for each PCI bus in the system
123 * when it's probed
124 */
125 void (*pcibios_fixup_bus)(struct pci_bus *);
126
127 /* Called when pci_enable_device() is called (initial=0) or
128 * when a device with no assigned resource is found (initial=1).
129 * Returns 0 to allow assignement/enabling of the device
130 */
131 int (*pcibios_enable_device_hook)(struct pci_dev *, int initial);
132
133 void* (*pci_dev_io_base)(unsigned char bus, unsigned char devfn, int physical);
134 void* (*pci_dev_mem_base)(unsigned char bus, unsigned char devfn);
135 int (*pci_dev_root_bridge)(unsigned char bus, unsigned char devfn);
136
137 /* Interface for platform error logging */
138 void (*log_error)(char *buf, unsigned int err_type, int fatal);
139
140 /* this is for modules, since _machine can be a define -- Cort */
141 int ppc_machine;
142 };
143
144 extern struct machdep_calls ppc_md;
145 extern char cmd_line[512];
146
147 extern void setup_pci_ptrs(void);
148
149
150 /* Functions to produce codes on the leds.
151 * The SRC code should be unique for the message category and should
152 * be limited to the lower 24 bits (the upper 8 are set by these funcs),
153 * and (for boot & dump) should be sorted numerically in the order
154 * the events occur.
155 */
156 /* Print a boot progress message. */
157 void ppc64_boot_msg(unsigned int src, const char *msg);
158 /* Print a termination message (print only -- does not stop the kernel) */
159 void ppc64_terminate_msg(unsigned int src, const char *msg);
160 /* Print something that needs attention (device error, etc) */
161 void ppc64_attention_msg(unsigned int src, const char *msg);
162 /* Print a dump progress message. */
163 void ppc64_dump_msg(unsigned int src, const char *msg);
164
log_error(char * buf,unsigned int err_type,int fatal)165 static inline void log_error(char *buf, unsigned int err_type, int fatal)
166 {
167 if (ppc_md.log_error)
168 ppc_md.log_error(buf, err_type, fatal);
169 }
170
171 #endif /* _PPC_MACHDEP_H */
172 #endif /* __KERNEL__ */
173