diff options
author | David S. Miller <davem@sunset.davemloft.net> | 2006-06-30 03:07:40 -0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-30 17:13:41 -0400 |
commit | 6e990b50ed0b45d506ff6809034508d3e210497d (patch) | |
tree | 167fd890356b2c55b9f60c4940a8325d1daa42b5 /arch/sparc64/kernel/devices.c | |
parent | 93872ba21d1087cde1d5f9603f3265c1c54d471c (diff) |
[SPARC64]: Kill sun4v virtual device layer.
Replace with a simple IRQ translater in the PROM
device tree builder.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/devices.c')
-rw-r--r-- | arch/sparc64/kernel/devices.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c index 389301c95cb2..26adb64ddb34 100644 --- a/arch/sparc64/kernel/devices.c +++ b/arch/sparc64/kernel/devices.c | |||
@@ -21,8 +21,6 @@ | |||
21 | #include <asm/spitfire.h> | 21 | #include <asm/spitfire.h> |
22 | #include <asm/timer.h> | 22 | #include <asm/timer.h> |
23 | #include <asm/cpudata.h> | 23 | #include <asm/cpudata.h> |
24 | #include <asm/vdev.h> | ||
25 | #include <asm/irq.h> | ||
26 | 24 | ||
27 | /* Used to synchronize acceses to NatSemi SUPER I/O chip configure | 25 | /* Used to synchronize acceses to NatSemi SUPER I/O chip configure |
28 | * operations in asm/ns87303.h | 26 | * operations in asm/ns87303.h |
@@ -32,100 +30,6 @@ DEFINE_SPINLOCK(ns87303_lock); | |||
32 | extern void cpu_probe(void); | 30 | extern void cpu_probe(void); |
33 | extern void central_probe(void); | 31 | extern void central_probe(void); |
34 | 32 | ||
35 | u32 sun4v_vdev_devhandle; | ||
36 | struct device_node *sun4v_vdev_root; | ||
37 | |||
38 | struct vdev_intmap { | ||
39 | unsigned int phys; | ||
40 | unsigned int irq; | ||
41 | unsigned int cnode; | ||
42 | unsigned int cinterrupt; | ||
43 | }; | ||
44 | |||
45 | struct vdev_intmask { | ||
46 | unsigned int phys; | ||
47 | unsigned int interrupt; | ||
48 | unsigned int __unused; | ||
49 | }; | ||
50 | |||
51 | static struct vdev_intmap *vdev_intmap; | ||
52 | static int vdev_num_intmap; | ||
53 | static struct vdev_intmask *vdev_intmask; | ||
54 | |||
55 | static void __init sun4v_virtual_device_probe(void) | ||
56 | { | ||
57 | struct linux_prom64_registers *regs; | ||
58 | struct property *prop; | ||
59 | struct device_node *dp; | ||
60 | int sz; | ||
61 | |||
62 | if (tlb_type != hypervisor) | ||
63 | return; | ||
64 | |||
65 | dp = of_find_node_by_name(NULL, "virtual-devices"); | ||
66 | if (!dp) { | ||
67 | prom_printf("SUN4V: Fatal error, no virtual-devices node.\n"); | ||
68 | prom_halt(); | ||
69 | } | ||
70 | |||
71 | sun4v_vdev_root = dp; | ||
72 | |||
73 | prop = of_find_property(dp, "reg", NULL); | ||
74 | regs = prop->value; | ||
75 | sun4v_vdev_devhandle = (regs[0].phys_addr >> 32UL) & 0x0fffffff; | ||
76 | |||
77 | prop = of_find_property(dp, "interrupt-map", &sz); | ||
78 | vdev_intmap = prop->value; | ||
79 | vdev_num_intmap = sz / sizeof(struct vdev_intmap); | ||
80 | |||
81 | prop = of_find_property(dp, "interrupt-map-mask", NULL); | ||
82 | vdev_intmask = prop->value; | ||
83 | |||
84 | printk("%s: Virtual Device Bus devhandle[%x]\n", | ||
85 | dp->full_name, sun4v_vdev_devhandle); | ||
86 | } | ||
87 | |||
88 | unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node) | ||
89 | { | ||
90 | struct property *prop; | ||
91 | unsigned int irq, reg; | ||
92 | int i; | ||
93 | |||
94 | prop = of_find_property(dev_node, "interrupts", NULL); | ||
95 | if (!prop) { | ||
96 | printk("VDEV: Cannot get \"interrupts\" " | ||
97 | "property for OBP node %s\n", | ||
98 | dev_node->full_name); | ||
99 | return 0; | ||
100 | } | ||
101 | irq = *(unsigned int *) prop->value; | ||
102 | |||
103 | prop = of_find_property(dev_node, "reg", NULL); | ||
104 | if (!prop) { | ||
105 | printk("VDEV: Cannot get \"reg\" " | ||
106 | "property for OBP node %s\n", | ||
107 | dev_node->full_name); | ||
108 | return 0; | ||
109 | } | ||
110 | reg = *(unsigned int *) prop->value; | ||
111 | |||
112 | for (i = 0; i < vdev_num_intmap; i++) { | ||
113 | if (vdev_intmap[i].phys == (reg & vdev_intmask->phys) && | ||
114 | vdev_intmap[i].irq == (irq & vdev_intmask->interrupt)) { | ||
115 | irq = vdev_intmap[i].cinterrupt; | ||
116 | break; | ||
117 | } | ||
118 | } | ||
119 | |||
120 | if (i == vdev_num_intmap) { | ||
121 | printk("VDEV: No matching interrupt map entry " | ||
122 | "for OBP node %s\n", dev_node->full_name); | ||
123 | return 0; | ||
124 | } | ||
125 | |||
126 | return sun4v_build_irq(sun4v_vdev_devhandle, irq); | ||
127 | } | ||
128 | |||
129 | static const char *cpu_mid_prop(void) | 33 | static const char *cpu_mid_prop(void) |
130 | { | 34 | { |
131 | if (tlb_type == spitfire) | 35 | if (tlb_type == spitfire) |
@@ -290,7 +194,6 @@ void __init device_scan(void) | |||
290 | } | 194 | } |
291 | #endif | 195 | #endif |
292 | 196 | ||
293 | sun4v_virtual_device_probe(); | ||
294 | central_probe(); | 197 | central_probe(); |
295 | 198 | ||
296 | cpu_probe(); | 199 | cpu_probe(); |