diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc64/kernel/devices.c | 97 | ||||
-rw-r--r-- | arch/sparc64/kernel/of_device.c | 3 | ||||
-rw-r--r-- | arch/sparc64/kernel/prom.c | 23 |
3 files changed, 26 insertions, 97 deletions
diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c index ddbe8cda06af..f8ef2f2b9b37 100644 --- a/arch/sparc64/kernel/devices.c +++ b/arch/sparc64/kernel/devices.c | |||
@@ -20,8 +20,6 @@ | |||
20 | #include <asm/spitfire.h> | 20 | #include <asm/spitfire.h> |
21 | #include <asm/timer.h> | 21 | #include <asm/timer.h> |
22 | #include <asm/cpudata.h> | 22 | #include <asm/cpudata.h> |
23 | #include <asm/vdev.h> | ||
24 | #include <asm/irq.h> | ||
25 | 23 | ||
26 | /* Used to synchronize acceses to NatSemi SUPER I/O chip configure | 24 | /* Used to synchronize acceses to NatSemi SUPER I/O chip configure |
27 | * operations in asm/ns87303.h | 25 | * operations in asm/ns87303.h |
@@ -31,100 +29,6 @@ DEFINE_SPINLOCK(ns87303_lock); | |||
31 | extern void cpu_probe(void); | 29 | extern void cpu_probe(void); |
32 | extern void central_probe(void); | 30 | extern void central_probe(void); |
33 | 31 | ||
34 | u32 sun4v_vdev_devhandle; | ||
35 | struct device_node *sun4v_vdev_root; | ||
36 | |||
37 | struct vdev_intmap { | ||
38 | unsigned int phys; | ||
39 | unsigned int irq; | ||
40 | unsigned int cnode; | ||
41 | unsigned int cinterrupt; | ||
42 | }; | ||
43 | |||
44 | struct vdev_intmask { | ||
45 | unsigned int phys; | ||
46 | unsigned int interrupt; | ||
47 | unsigned int __unused; | ||
48 | }; | ||
49 | |||
50 | static struct vdev_intmap *vdev_intmap; | ||
51 | static int vdev_num_intmap; | ||
52 | static struct vdev_intmask *vdev_intmask; | ||
53 | |||
54 | static void __init sun4v_virtual_device_probe(void) | ||
55 | { | ||
56 | struct linux_prom64_registers *regs; | ||
57 | struct property *prop; | ||
58 | struct device_node *dp; | ||
59 | int sz; | ||
60 | |||
61 | if (tlb_type != hypervisor) | ||
62 | return; | ||
63 | |||
64 | dp = of_find_node_by_name(NULL, "virtual-devices"); | ||
65 | if (!dp) { | ||
66 | prom_printf("SUN4V: Fatal error, no virtual-devices node.\n"); | ||
67 | prom_halt(); | ||
68 | } | ||
69 | |||
70 | sun4v_vdev_root = dp; | ||
71 | |||
72 | prop = of_find_property(dp, "reg", NULL); | ||
73 | regs = prop->value; | ||
74 | sun4v_vdev_devhandle = (regs[0].phys_addr >> 32UL) & 0x0fffffff; | ||
75 | |||
76 | prop = of_find_property(dp, "interrupt-map", &sz); | ||
77 | vdev_intmap = prop->value; | ||
78 | vdev_num_intmap = sz / sizeof(struct vdev_intmap); | ||
79 | |||
80 | prop = of_find_property(dp, "interrupt-map-mask", NULL); | ||
81 | vdev_intmask = prop->value; | ||
82 | |||
83 | printk("%s: Virtual Device Bus devhandle[%x]\n", | ||
84 | dp->full_name, sun4v_vdev_devhandle); | ||
85 | } | ||
86 | |||
87 | unsigned int sun4v_vdev_device_interrupt(struct device_node *dev_node) | ||
88 | { | ||
89 | struct property *prop; | ||
90 | unsigned int irq, reg; | ||
91 | int i; | ||
92 | |||
93 | prop = of_find_property(dev_node, "interrupts", NULL); | ||
94 | if (!prop) { | ||
95 | printk("VDEV: Cannot get \"interrupts\" " | ||
96 | "property for OBP node %s\n", | ||
97 | dev_node->full_name); | ||
98 | return 0; | ||
99 | } | ||
100 | irq = *(unsigned int *) prop->value; | ||
101 | |||
102 | prop = of_find_property(dev_node, "reg", NULL); | ||
103 | if (!prop) { | ||
104 | printk("VDEV: Cannot get \"reg\" " | ||
105 | "property for OBP node %s\n", | ||
106 | dev_node->full_name); | ||
107 | return 0; | ||
108 | } | ||
109 | reg = *(unsigned int *) prop->value; | ||
110 | |||
111 | for (i = 0; i < vdev_num_intmap; i++) { | ||
112 | if (vdev_intmap[i].phys == (reg & vdev_intmask->phys) && | ||
113 | vdev_intmap[i].irq == (irq & vdev_intmask->interrupt)) { | ||
114 | irq = vdev_intmap[i].cinterrupt; | ||
115 | break; | ||
116 | } | ||
117 | } | ||
118 | |||
119 | if (i == vdev_num_intmap) { | ||
120 | printk("VDEV: No matching interrupt map entry " | ||
121 | "for OBP node %s\n", dev_node->full_name); | ||
122 | return 0; | ||
123 | } | ||
124 | |||
125 | return sun4v_build_irq(sun4v_vdev_devhandle, irq); | ||
126 | } | ||
127 | |||
128 | static const char *cpu_mid_prop(void) | 32 | static const char *cpu_mid_prop(void) |
129 | { | 33 | { |
130 | if (tlb_type == spitfire) | 34 | if (tlb_type == spitfire) |
@@ -289,7 +193,6 @@ void __init device_scan(void) | |||
289 | } | 193 | } |
290 | #endif | 194 | #endif |
291 | 195 | ||
292 | sun4v_virtual_device_probe(); | ||
293 | central_probe(); | 196 | central_probe(); |
294 | 197 | ||
295 | cpu_probe(); | 198 | cpu_probe(); |
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index 3670dc8a7d5f..169b017eec0b 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c | |||
@@ -602,6 +602,9 @@ static void __init build_device_resources(struct of_device *op, | |||
602 | build_res: | 602 | build_res: |
603 | memset(r, 0, sizeof(*r)); | 603 | memset(r, 0, sizeof(*r)); |
604 | if (result != OF_BAD_ADDR) { | 604 | if (result != OF_BAD_ADDR) { |
605 | if (tlb_type == hypervisor) | ||
606 | result &= 0x0fffffffffffffffUL; | ||
607 | |||
605 | r->start = result; | 608 | r->start = result; |
606 | r->end = result + size - 1; | 609 | r->end = result + size - 1; |
607 | r->flags = flags; | 610 | r->flags = flags; |
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index 8a70c52c0447..fa484d4f241e 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c | |||
@@ -1008,6 +1008,27 @@ static struct irq_trans pci_irq_trans_table[] = { | |||
1008 | }; | 1008 | }; |
1009 | #endif | 1009 | #endif |
1010 | 1010 | ||
1011 | static unsigned int sun4v_vdev_irq_build(struct device_node *dp, | ||
1012 | unsigned int devino, | ||
1013 | void *_data) | ||
1014 | { | ||
1015 | u32 devhandle = (u32) (unsigned long) _data; | ||
1016 | |||
1017 | return sun4v_build_irq(devhandle, devino); | ||
1018 | } | ||
1019 | |||
1020 | static void sun4v_vdev_irq_trans_init(struct device_node *dp) | ||
1021 | { | ||
1022 | struct linux_prom64_registers *regs; | ||
1023 | |||
1024 | dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller)); | ||
1025 | dp->irq_trans->irq_build = sun4v_vdev_irq_build; | ||
1026 | |||
1027 | regs = of_get_property(dp, "reg", NULL); | ||
1028 | dp->irq_trans->data = (void *) (unsigned long) | ||
1029 | ((regs->phys_addr >> 32UL) & 0x0fffffff); | ||
1030 | } | ||
1031 | |||
1011 | static void irq_trans_init(struct device_node *dp) | 1032 | static void irq_trans_init(struct device_node *dp) |
1012 | { | 1033 | { |
1013 | const char *model; | 1034 | const char *model; |
@@ -1034,6 +1055,8 @@ static void irq_trans_init(struct device_node *dp) | |||
1034 | #endif | 1055 | #endif |
1035 | if (!strcmp(dp->name, "central")) | 1056 | if (!strcmp(dp->name, "central")) |
1036 | return central_irq_trans_init(dp->child); | 1057 | return central_irq_trans_init(dp->child); |
1058 | if (!strcmp(dp->name, "virtual-devices")) | ||
1059 | return sun4v_vdev_irq_trans_init(dp); | ||
1037 | } | 1060 | } |
1038 | 1061 | ||
1039 | static int is_root_node(const struct device_node *dp) | 1062 | static int is_root_node(const struct device_node *dp) |