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-rw-r--r--include/asm-ppc64/machdep.h185
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diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
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1#ifdef __KERNEL__
2#ifndef _PPC64_MACHDEP_H
3#define _PPC64_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/init.h>
15#include <linux/dma-mapping.h>
16
17#include <asm/setup.h>
18
19struct pt_regs;
20struct pci_bus;
21struct device_node;
22struct iommu_table;
23struct rtc_time;
24struct file;
25
26#ifdef CONFIG_SMP
27struct smp_ops_t {
28 void (*message_pass)(int target, int msg);
29 int (*probe)(void);
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);
38};
39#endif
40
41struct machdep_calls {
42 void (*hpte_invalidate)(unsigned long slot,
43 unsigned long va,
44 int large,
45 int local);
46 long (*hpte_updatepp)(unsigned long slot,
47 unsigned long newpp,
48 unsigned long va,
49 int large,
50 int local);
51 void (*hpte_updateboltedpp)(unsigned long newpp,
52 unsigned long ea);
53 long (*hpte_insert)(unsigned long hpte_group,
54 unsigned long va,
55 unsigned long prpn,
56 int secondary,
57 unsigned long hpteflags,
58 int bolted,
59 int large);
60 long (*hpte_remove)(unsigned long hpte_group);
61 void (*flush_hash_range)(unsigned long context,
62 unsigned long number,
63 int local);
64 /* special for kexec, to be called in real mode, linar mapping is
65 * destroyed as well */
66 void (*hpte_clear_all)(void);
67
68 void (*tce_build)(struct iommu_table * tbl,
69 long index,
70 long npages,
71 unsigned long uaddr,
72 enum dma_data_direction direction);
73 void (*tce_free)(struct iommu_table *tbl,
74 long index,
75 long npages);
76 void (*tce_flush)(struct iommu_table *tbl);
77 void (*iommu_dev_setup)(struct pci_dev *dev);
78 void (*iommu_bus_setup)(struct pci_bus *bus);
79
80 int (*probe)(int platform);
81 void (*setup_arch)(void);
82 void (*init_early)(void);
83 /* Optional, may be NULL. */
84 void (*get_cpuinfo)(struct seq_file *m);
85
86 void (*init_IRQ)(void);
87 int (*get_irq)(struct pt_regs *);
88
89 /* PCI stuff */
90 void (*pcibios_fixup)(void);
91
92 void (*restart)(char *cmd);
93 void (*power_off)(void);
94 void (*halt)(void);
95 void (*panic)(char *str);
96 void (*cpu_die)(void);
97
98 int (*set_rtc_time)(struct rtc_time *);
99 void (*get_rtc_time)(struct rtc_time *);
100 void (*get_boot_time)(struct rtc_time *);
101
102 void (*calibrate_decr)(void);
103
104 void (*progress)(char *, unsigned short);
105
106 /* Debug interface. Low level I/O to some terminal device */
107 void (*udbg_putc)(unsigned char c);
108 unsigned char (*udbg_getc)(void);
109 int (*udbg_getc_poll)(void);
110
111 /* Interface for platform error logging */
112 void (*log_error)(char *buf, unsigned int err_type, int fatal);
113
114 ssize_t (*nvram_write)(char *buf, size_t count, loff_t *index);
115 ssize_t (*nvram_read)(char *buf, size_t count, loff_t *index);
116 ssize_t (*nvram_size)(void);
117 int (*nvram_sync)(void);
118
119 /* Exception handlers */
120 void (*system_reset_exception)(struct pt_regs *regs);
121 int (*machine_check_exception)(struct pt_regs *regs);
122
123 /* Motherboard/chipset features. This is a kind of general purpose
124 * hook used to control some machine specific features (like reset
125 * lines, chip power control, etc...).
126 */
127 long (*feature_call)(unsigned int feature, ...);
128
129 /* Check availability of legacy devices like i8042 */
130 int (*check_legacy_ioport)(unsigned int baseport);
131
132 /* Get legacy PCI/IDE interrupt mapping */
133 int (*pci_get_legacy_ide_irq)(struct pci_dev *dev, int channel);
134
135 /* Get access protection for /dev/mem */
136 pgprot_t (*phys_mem_access_prot)(struct file *file,
137 unsigned long offset,
138 unsigned long size,
139 pgprot_t vma_prot);
140
141};
142
143extern struct machdep_calls ppc_md;
144extern char cmd_line[COMMAND_LINE_SIZE];
145
146#ifdef CONFIG_PPC_PMAC
147/*
148 * Power macintoshes have either a CUDA, PMU or SMU controlling
149 * system reset, power, NVRAM, RTC.
150 */
151typedef enum sys_ctrler_kind {
152 SYS_CTRLER_UNKNOWN = 0,
153 SYS_CTRLER_CUDA = 1,
154 SYS_CTRLER_PMU = 2,
155 SYS_CTRLER_SMU = 3,
156} sys_ctrler_t;
157extern sys_ctrler_t sys_ctrler;
158
159#endif /* CONFIG_PPC_PMAC */
160
161
162
163/* Functions to produce codes on the leds.
164 * The SRC code should be unique for the message category and should
165 * be limited to the lower 24 bits (the upper 8 are set by these funcs),
166 * and (for boot & dump) should be sorted numerically in the order
167 * the events occur.
168 */
169/* Print a boot progress message. */
170void ppc64_boot_msg(unsigned int src, const char *msg);
171/* Print a termination message (print only -- does not stop the kernel) */
172void ppc64_terminate_msg(unsigned int src, const char *msg);
173/* Print something that needs attention (device error, etc) */
174void ppc64_attention_msg(unsigned int src, const char *msg);
175/* Print a dump progress message. */
176void ppc64_dump_msg(unsigned int src, const char *msg);
177
178static inline void log_error(char *buf, unsigned int err_type, int fatal)
179{
180 if (ppc_md.log_error)
181 ppc_md.log_error(buf, err_type, fatal);
182}
183
184#endif /* _PPC64_MACHDEP_H */
185#endif /* __KERNEL__ */
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