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1da177e4 LT |
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 | ||
19 | struct pt_regs; | |
20 | struct pci_bus; | |
21 | struct device_node; | |
22 | struct iommu_table; | |
23 | struct rtc_time; | |
24 | struct file; | |
25 | ||
26 | #ifdef CONFIG_SMP | |
27 | struct 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 | ||
41 | struct 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 | ||
143 | extern struct machdep_calls ppc_md; | |
144 | extern 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 | */ | |
151 | typedef 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; | |
157 | extern 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. */ | |
170 | void ppc64_boot_msg(unsigned int src, const char *msg); | |
171 | /* Print a termination message (print only -- does not stop the kernel) */ | |
172 | void ppc64_terminate_msg(unsigned int src, const char *msg); | |
173 | /* Print something that needs attention (device error, etc) */ | |
174 | void ppc64_attention_msg(unsigned int src, const char *msg); | |
175 | /* Print a dump progress message. */ | |
176 | void ppc64_dump_msg(unsigned int src, const char *msg); | |
177 | ||
178 | static 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__ */ |