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-rw-r--r--arch/microblaze/include/asm/prom.h115
1 files changed, 14 insertions, 101 deletions
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index e7d67a329bd7..101fa098f62a 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -20,9 +20,6 @@
20#ifndef __ASSEMBLY__ 20#ifndef __ASSEMBLY__
21 21
22#include <linux/types.h> 22#include <linux/types.h>
23#include <linux/of_fdt.h>
24#include <linux/proc_fs.h>
25#include <linux/platform_device.h>
26#include <asm/irq.h> 23#include <asm/irq.h>
27#include <asm/atomic.h> 24#include <asm/atomic.h>
28 25
@@ -50,29 +47,10 @@ extern void pci_create_OF_bus_map(void);
50 * OF address retreival & translation 47 * OF address retreival & translation
51 */ 48 */
52 49
53/* Translate an OF address block into a CPU physical address 50#ifdef CONFIG_PCI
54 */ 51extern unsigned long pci_address_to_pio(phys_addr_t address);
55extern u64 of_translate_address(struct device_node *np, const u32 *addr); 52#define pci_address_to_pio pci_address_to_pio
56 53#endif /* CONFIG_PCI */
57/* Extract an address from a device, returns the region size and
58 * the address space flags too. The PCI version uses a BAR number
59 * instead of an absolute index
60 */
61extern const u32 *of_get_address(struct device_node *dev, int index,
62 u64 *size, unsigned int *flags);
63extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
64 u64 *size, unsigned int *flags);
65
66/* Get an address as a resource. Note that if your address is
67 * a PIO address, the conversion will fail if the physical address
68 * can't be internally converted to an IO token with
69 * pci_address_to_pio(), that is because it's either called to early
70 * or it can't be matched to any host bridge IO space
71 */
72extern int of_address_to_resource(struct device_node *dev, int index,
73 struct resource *r);
74extern int of_pci_address_to_resource(struct device_node *dev, int bar,
75 struct resource *r);
76 54
77/* Parse the ibm,dma-window property of an OF node into the busno, phys and 55/* Parse the ibm,dma-window property of an OF node into the busno, phys and
78 * size parameters. 56 * size parameters.
@@ -88,69 +66,6 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
88/* Get the MAC address */ 66/* Get the MAC address */
89extern const void *of_get_mac_address(struct device_node *np); 67extern const void *of_get_mac_address(struct device_node *np);
90 68
91/*
92 * OF interrupt mapping
93 */
94
95/* This structure is returned when an interrupt is mapped. The controller
96 * field needs to be put() after use
97 */
98
99#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
100
101struct of_irq {
102 struct device_node *controller; /* Interrupt controller node */
103 u32 size; /* Specifier size */
104 u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
105};
106
107/**
108 * of_irq_map_init - Initialize the irq remapper
109 * @flags: flags defining workarounds to enable
110 *
111 * Some machines have bugs in the device-tree which require certain workarounds
112 * to be applied. Call this before any interrupt mapping attempts to enable
113 * those workarounds.
114 */
115#define OF_IMAP_OLDWORLD_MAC 0x00000001
116#define OF_IMAP_NO_PHANDLE 0x00000002
117
118extern void of_irq_map_init(unsigned int flags);
119
120/**
121 * of_irq_map_raw - Low level interrupt tree parsing
122 * @parent: the device interrupt parent
123 * @intspec: interrupt specifier ("interrupts" property of the device)
124 * @ointsize: size of the passed in interrupt specifier
125 * @addr: address specifier (start of "reg" property of the device)
126 * @out_irq: structure of_irq filled by this function
127 *
128 * Returns 0 on success and a negative number on error
129 *
130 * This function is a low-level interrupt tree walking function. It
131 * can be used to do a partial walk with synthetized reg and interrupts
132 * properties, for example when resolving PCI interrupts when no device
133 * node exist for the parent.
134 *
135 */
136
137extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
138 u32 ointsize, const u32 *addr,
139 struct of_irq *out_irq);
140
141/**
142 * of_irq_map_one - Resolve an interrupt for a device
143 * @device: the device whose interrupt is to be resolved
144 * @index: index of the interrupt to resolve
145 * @out_irq: structure of_irq filled by this function
146 *
147 * This function resolves an interrupt, walking the tree, for a given
148 * device-tree node. It's the high level pendant to of_irq_map_raw().
149 * It also implements the workarounds for OldWolrd Macs.
150 */
151extern int of_irq_map_one(struct device_node *device, int index,
152 struct of_irq *out_irq);
153
154/** 69/**
155 * of_irq_map_pci - Resolve the interrupt for a PCI device 70 * of_irq_map_pci - Resolve the interrupt for a PCI device
156 * @pdev: the device whose interrupt is to be resolved 71 * @pdev: the device whose interrupt is to be resolved
@@ -163,20 +78,18 @@ extern int of_irq_map_one(struct device_node *device, int index,
163 * resolving using the OF tree walking. 78 * resolving using the OF tree walking.
164 */ 79 */
165struct pci_dev; 80struct pci_dev;
81struct of_irq;
166extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); 82extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
167 83
168extern int of_irq_to_resource(struct device_node *dev, int index,
169 struct resource *r);
170
171/**
172 * of_iomap - Maps the memory mapped IO for a given device_node
173 * @device: the device whose io range will be mapped
174 * @index: index of the io range
175 *
176 * Returns a pointer to the mapped memory
177 */
178extern void __iomem *of_iomap(struct device_node *device, int index);
179
180#endif /* __ASSEMBLY__ */ 84#endif /* __ASSEMBLY__ */
181#endif /* __KERNEL__ */ 85#endif /* __KERNEL__ */
86
87/* These includes are put at the bottom because they may contain things
88 * that are overridden by this file. Ideally they shouldn't be included
89 * by this file, but there are a bunch of .c files that currently depend
90 * on it. Eventually they will be cleaned up. */
91#include <linux/of_fdt.h>
92#include <linux/of_irq.h>
93#include <linux/platform_device.h>
94
182#endif /* _ASM_MICROBLAZE_PROM_H */ 95#endif /* _ASM_MICROBLAZE_PROM_H */