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-rw-r--r--arch/powerpc/include/asm/prom.h133
1 files changed, 19 insertions, 114 deletions
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index ddd408a93b5a..ae26f2efd089 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -17,9 +17,6 @@
17 * 2 of the License, or (at your option) any later version. 17 * 2 of the License, or (at your option) any later version.
18 */ 18 */
19#include <linux/types.h> 19#include <linux/types.h>
20#include <linux/of_fdt.h>
21#include <linux/proc_fs.h>
22#include <linux/platform_device.h>
23#include <asm/irq.h> 20#include <asm/irq.h>
24#include <asm/atomic.h> 21#include <asm/atomic.h>
25 22
@@ -43,49 +40,14 @@ extern void pci_create_OF_bus_map(void);
43 * OF address retreival & translation 40 * OF address retreival & translation
44 */ 41 */
45 42
46/* Translate an OF address block into a CPU physical address
47 */
48extern u64 of_translate_address(struct device_node *np, const u32 *addr);
49
50/* Translate a DMA address from device space to CPU space */ 43/* Translate a DMA address from device space to CPU space */
51extern u64 of_translate_dma_address(struct device_node *dev, 44extern u64 of_translate_dma_address(struct device_node *dev,
52 const u32 *in_addr); 45 const u32 *in_addr);
53 46
54/* Extract an address from a device, returns the region size and
55 * the address space flags too. The PCI version uses a BAR number
56 * instead of an absolute index
57 */
58extern const u32 *of_get_address(struct device_node *dev, int index,
59 u64 *size, unsigned int *flags);
60#ifdef CONFIG_PCI 47#ifdef CONFIG_PCI
61extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no, 48extern unsigned long pci_address_to_pio(phys_addr_t address);
62 u64 *size, unsigned int *flags); 49#define pci_address_to_pio pci_address_to_pio
63#else 50#endif /* CONFIG_PCI */
64static inline const u32 *of_get_pci_address(struct device_node *dev,
65 int bar_no, u64 *size, unsigned int *flags)
66{
67 return NULL;
68}
69#endif /* CONFIG_PCI */
70
71/* Get an address as a resource. Note that if your address is
72 * a PIO address, the conversion will fail if the physical address
73 * can't be internally converted to an IO token with
74 * pci_address_to_pio(), that is because it's either called to early
75 * or it can't be matched to any host bridge IO space
76 */
77extern int of_address_to_resource(struct device_node *dev, int index,
78 struct resource *r);
79#ifdef CONFIG_PCI
80extern int of_pci_address_to_resource(struct device_node *dev, int bar,
81 struct resource *r);
82#else
83static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
84 struct resource *r)
85{
86 return -ENOSYS;
87}
88#endif /* CONFIG_PCI */
89 51
90/* Parse the ibm,dma-window property of an OF node into the busno, phys and 52/* Parse the ibm,dma-window property of an OF node into the busno, phys and
91 * size parameters. 53 * size parameters.
@@ -104,69 +66,12 @@ struct device_node *of_find_next_cache_node(struct device_node *np);
104/* Get the MAC address */ 66/* Get the MAC address */
105extern const void *of_get_mac_address(struct device_node *np); 67extern const void *of_get_mac_address(struct device_node *np);
106 68
107/* 69#ifdef CONFIG_NUMA
108 * OF interrupt mapping 70extern int of_node_to_nid(struct device_node *device);
109 */ 71#else
110 72static inline int of_node_to_nid(struct device_node *device) { return 0; }
111/* This structure is returned when an interrupt is mapped. The controller 73#endif
112 * field needs to be put() after use 74#define of_node_to_nid of_node_to_nid
113 */
114
115#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
116
117struct of_irq {
118 struct device_node *controller; /* Interrupt controller node */
119 u32 size; /* Specifier size */
120 u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
121};
122
123/**
124 * of_irq_map_init - Initialize the irq remapper
125 * @flags: flags defining workarounds to enable
126 *
127 * Some machines have bugs in the device-tree which require certain workarounds
128 * to be applied. Call this before any interrupt mapping attempts to enable
129 * those workarounds.
130 */
131#define OF_IMAP_OLDWORLD_MAC 0x00000001
132#define OF_IMAP_NO_PHANDLE 0x00000002
133
134extern void of_irq_map_init(unsigned int flags);
135
136/**
137 * of_irq_map_raw - Low level interrupt tree parsing
138 * @parent: the device interrupt parent
139 * @intspec: interrupt specifier ("interrupts" property of the device)
140 * @ointsize: size of the passed in interrupt specifier
141 * @addr: address specifier (start of "reg" property of the device)
142 * @out_irq: structure of_irq filled by this function
143 *
144 * Returns 0 on success and a negative number on error
145 *
146 * This function is a low-level interrupt tree walking function. It
147 * can be used to do a partial walk with synthetized reg and interrupts
148 * properties, for example when resolving PCI interrupts when no device
149 * node exist for the parent.
150 *
151 */
152
153extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
154 u32 ointsize, const u32 *addr,
155 struct of_irq *out_irq);
156
157
158/**
159 * of_irq_map_one - Resolve an interrupt for a device
160 * @device: the device whose interrupt is to be resolved
161 * @index: index of the interrupt to resolve
162 * @out_irq: structure of_irq filled by this function
163 *
164 * This function resolves an interrupt, walking the tree, for a given
165 * device-tree node. It's the high level pendant to of_irq_map_raw().
166 * It also implements the workarounds for OldWolrd Macs.
167 */
168extern int of_irq_map_one(struct device_node *device, int index,
169 struct of_irq *out_irq);
170 75
171/** 76/**
172 * of_irq_map_pci - Resolve the interrupt for a PCI device 77 * of_irq_map_pci - Resolve the interrupt for a PCI device
@@ -180,19 +85,19 @@ extern int of_irq_map_one(struct device_node *device, int index,
180 * resolving using the OF tree walking. 85 * resolving using the OF tree walking.
181 */ 86 */
182struct pci_dev; 87struct pci_dev;
88struct of_irq;
183extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); 89extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
184 90
185extern int of_irq_to_resource(struct device_node *dev, int index, 91extern void of_instantiate_rtc(void);
186 struct resource *r);
187 92
188/** 93/* These includes are put at the bottom because they may contain things
189 * of_iomap - Maps the memory mapped IO for a given device_node 94 * that are overridden by this file. Ideally they shouldn't be included
190 * @device: the device whose io range will be mapped 95 * by this file, but there are a bunch of .c files that currently depend
191 * @index: index of the io range 96 * on it. Eventually they will be cleaned up. */
192 * 97#include <linux/of_fdt.h>
193 * Returns a pointer to the mapped memory 98#include <linux/of_address.h>
194 */ 99#include <linux/of_irq.h>
195extern void __iomem *of_iomap(struct device_node *device, int index); 100#include <linux/platform_device.h>
196 101
197#endif /* __KERNEL__ */ 102#endif /* __KERNEL__ */
198#endif /* _POWERPC_PROM_H */ 103#endif /* _POWERPC_PROM_H */