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