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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | #include <linux/module.h> |
160c1d8e | 3 | #include <linux/dma-mapping.h> |
1da177e4 | 4 | #include <asm/machvec.h> |
1da177e4 LT |
5 | |
6 | #ifdef CONFIG_IA64_GENERIC | |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/string.h> | |
10 | ||
11 | #include <asm/page.h> | |
12 | ||
13 | struct ia64_machine_vector ia64_mv; | |
14 | EXPORT_SYMBOL(ia64_mv); | |
15 | ||
a5b00bb4 | 16 | static struct ia64_machine_vector * __init |
1da177e4 LT |
17 | lookup_machvec (const char *name) |
18 | { | |
19 | extern struct ia64_machine_vector machvec_start[]; | |
20 | extern struct ia64_machine_vector machvec_end[]; | |
21 | struct ia64_machine_vector *mv; | |
22 | ||
23 | for (mv = machvec_start; mv < machvec_end; ++mv) | |
24 | if (strcmp (mv->name, name) == 0) | |
25 | return mv; | |
26 | ||
27 | return 0; | |
28 | } | |
29 | ||
9a86bbb9 | 30 | void __init |
1da177e4 LT |
31 | machvec_init (const char *name) |
32 | { | |
33 | struct ia64_machine_vector *mv; | |
34 | ||
a5b00bb4 | 35 | if (!name) |
a07ee862 | 36 | name = acpi_get_sysname(); |
1da177e4 | 37 | mv = lookup_machvec(name); |
a5b00bb4 H |
38 | if (!mv) |
39 | panic("generic kernel failed to find machine vector for" | |
40 | " platform %s!", name); | |
41 | ||
1da177e4 LT |
42 | ia64_mv = *mv; |
43 | printk(KERN_INFO "booting generic kernel on platform %s\n", name); | |
44 | } | |
45 | ||
a07ee862 H |
46 | void __init |
47 | machvec_init_from_cmdline(const char *cmdline) | |
48 | { | |
49 | char str[64]; | |
50 | const char *start; | |
51 | char *end; | |
52 | ||
53 | if (! (start = strstr(cmdline, "machvec=")) ) | |
54 | return machvec_init(NULL); | |
55 | ||
56 | strlcpy(str, start + strlen("machvec="), sizeof(str)); | |
57 | if ( (end = strchr(str, ' ')) ) | |
58 | *end = '\0'; | |
59 | ||
60 | return machvec_init(str); | |
61 | } | |
62 | ||
1da177e4 LT |
63 | #endif /* CONFIG_IA64_GENERIC */ |
64 | ||
65 | void | |
66 | machvec_setup (char **arg) | |
67 | { | |
68 | } | |
69 | EXPORT_SYMBOL(machvec_setup); | |
70 | ||
71 | void | |
7d12e780 | 72 | machvec_timer_interrupt (int irq, void *dev_id) |
1da177e4 LT |
73 | { |
74 | } | |
75 | EXPORT_SYMBOL(machvec_timer_interrupt); | |
76 | ||
77 | void | |
160c1d8e FT |
78 | machvec_dma_sync_single(struct device *hwdev, dma_addr_t dma_handle, size_t size, |
79 | enum dma_data_direction dir) | |
1da177e4 LT |
80 | { |
81 | mb(); | |
82 | } | |
83 | EXPORT_SYMBOL(machvec_dma_sync_single); | |
84 | ||
85 | void | |
160c1d8e FT |
86 | machvec_dma_sync_sg(struct device *hwdev, struct scatterlist *sg, int n, |
87 | enum dma_data_direction dir) | |
1da177e4 LT |
88 | { |
89 | mb(); | |
90 | } | |
91 | EXPORT_SYMBOL(machvec_dma_sync_sg); |