diff options
Diffstat (limited to 'arch/sh/drivers')
-rw-r--r-- | arch/sh/drivers/pci/pci-lib.c | 51 | ||||
-rw-r--r-- | arch/sh/drivers/pci/pci-new.c | 35 | ||||
-rw-r--r-- | arch/sh/drivers/pci/pci.c | 35 |
3 files changed, 51 insertions, 70 deletions
diff --git a/arch/sh/drivers/pci/pci-lib.c b/arch/sh/drivers/pci/pci-lib.c index 8ab1a2d1b483..654ffcc67d0a 100644 --- a/arch/sh/drivers/pci/pci-lib.c +++ b/arch/sh/drivers/pci/pci-lib.c | |||
@@ -60,6 +60,57 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, | |||
60 | vma->vm_page_prot); | 60 | vma->vm_page_prot); |
61 | } | 61 | } |
62 | 62 | ||
63 | static void __iomem *ioport_map_pci(struct pci_dev *dev, | ||
64 | unsigned long port, unsigned int nr) | ||
65 | { | ||
66 | struct pci_channel *chan = dev->sysdata; | ||
67 | |||
68 | if (!chan->io_map_base) | ||
69 | chan->io_map_base = generic_io_base; | ||
70 | |||
71 | return (void __iomem *)(chan->io_map_base + port); | ||
72 | } | ||
73 | |||
74 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) | ||
75 | { | ||
76 | resource_size_t start = pci_resource_start(dev, bar); | ||
77 | resource_size_t len = pci_resource_len(dev, bar); | ||
78 | unsigned long flags = pci_resource_flags(dev, bar); | ||
79 | |||
80 | if (unlikely(!len || !start)) | ||
81 | return NULL; | ||
82 | if (maxlen && len > maxlen) | ||
83 | len = maxlen; | ||
84 | |||
85 | if (flags & IORESOURCE_IO) | ||
86 | return ioport_map_pci(dev, start, len); | ||
87 | |||
88 | /* | ||
89 | * Presently the IORESOURCE_MEM case is a bit special, most | ||
90 | * SH7751 style PCI controllers have PCI memory at a fixed | ||
91 | * location in the address space where no remapping is desired. | ||
92 | * With the IORESOURCE_MEM case more care has to be taken | ||
93 | * to inhibit page table mapping for legacy cores, but this is | ||
94 | * punted off to __ioremap(). | ||
95 | * -- PFM. | ||
96 | */ | ||
97 | if (flags & IORESOURCE_MEM) { | ||
98 | if (flags & IORESOURCE_CACHEABLE) | ||
99 | return ioremap(start, len); | ||
100 | |||
101 | return ioremap_nocache(start, len); | ||
102 | } | ||
103 | |||
104 | return NULL; | ||
105 | } | ||
106 | EXPORT_SYMBOL(pci_iomap); | ||
107 | |||
108 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | ||
109 | { | ||
110 | iounmap(addr); | ||
111 | } | ||
112 | EXPORT_SYMBOL(pci_iounmap); | ||
113 | |||
63 | #ifdef CONFIG_HOTPLUG | 114 | #ifdef CONFIG_HOTPLUG |
64 | EXPORT_SYMBOL(pcibios_resource_to_bus); | 115 | EXPORT_SYMBOL(pcibios_resource_to_bus); |
65 | EXPORT_SYMBOL(pcibios_bus_to_resource); | 116 | EXPORT_SYMBOL(pcibios_bus_to_resource); |
diff --git a/arch/sh/drivers/pci/pci-new.c b/arch/sh/drivers/pci/pci-new.c index 4e9251f3d090..c92e65045c68 100644 --- a/arch/sh/drivers/pci/pci-new.c +++ b/arch/sh/drivers/pci/pci-new.c | |||
@@ -187,39 +187,4 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq) | |||
187 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); | 187 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); |
188 | } | 188 | } |
189 | 189 | ||
190 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) | ||
191 | { | ||
192 | resource_size_t start = pci_resource_start(dev, bar); | ||
193 | resource_size_t len = pci_resource_len(dev, bar); | ||
194 | unsigned long flags = pci_resource_flags(dev, bar); | ||
195 | |||
196 | if (unlikely(!len || !start)) | ||
197 | return NULL; | ||
198 | if (maxlen && len > maxlen) | ||
199 | len = maxlen; | ||
200 | |||
201 | /* | ||
202 | * Presently the IORESOURCE_MEM case is a bit special, most | ||
203 | * SH7751 style PCI controllers have PCI memory at a fixed | ||
204 | * location in the address space where no remapping is desired. | ||
205 | * With the IORESOURCE_MEM case more care has to be taken | ||
206 | * to inhibit page table mapping for legacy cores, but this is | ||
207 | * punted off to __ioremap(). | ||
208 | * -- PFM. | ||
209 | */ | ||
210 | if (flags & IORESOURCE_IO) | ||
211 | return ioport_map(start, len); | ||
212 | if (flags & IORESOURCE_MEM) | ||
213 | return ioremap(start, len); | ||
214 | |||
215 | return NULL; | ||
216 | } | ||
217 | EXPORT_SYMBOL(pci_iomap); | ||
218 | |||
219 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | ||
220 | { | ||
221 | iounmap(addr); | ||
222 | } | ||
223 | EXPORT_SYMBOL(pci_iounmap); | ||
224 | |||
225 | EXPORT_SYMBOL(board_pci_channels); | 190 | EXPORT_SYMBOL(board_pci_channels); |
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index f670988e033d..d39f24091ade 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c | |||
@@ -144,39 +144,4 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq) | |||
144 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); | 144 | pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); |
145 | } | 145 | } |
146 | 146 | ||
147 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) | ||
148 | { | ||
149 | resource_size_t start = pci_resource_start(dev, bar); | ||
150 | resource_size_t len = pci_resource_len(dev, bar); | ||
151 | unsigned long flags = pci_resource_flags(dev, bar); | ||
152 | |||
153 | if (unlikely(!len || !start)) | ||
154 | return NULL; | ||
155 | if (maxlen && len > maxlen) | ||
156 | len = maxlen; | ||
157 | |||
158 | /* | ||
159 | * Presently the IORESOURCE_MEM case is a bit special, most | ||
160 | * SH7751 style PCI controllers have PCI memory at a fixed | ||
161 | * location in the address space where no remapping is desired. | ||
162 | * With the IORESOURCE_MEM case more care has to be taken | ||
163 | * to inhibit page table mapping for legacy cores, but this is | ||
164 | * punted off to __ioremap(). | ||
165 | * -- PFM. | ||
166 | */ | ||
167 | if (flags & IORESOURCE_IO) | ||
168 | return ioport_map(start, len); | ||
169 | if (flags & IORESOURCE_MEM) | ||
170 | return ioremap(start, len); | ||
171 | |||
172 | return NULL; | ||
173 | } | ||
174 | EXPORT_SYMBOL(pci_iomap); | ||
175 | |||
176 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | ||
177 | { | ||
178 | iounmap(addr); | ||
179 | } | ||
180 | EXPORT_SYMBOL(pci_iounmap); | ||
181 | |||
182 | EXPORT_SYMBOL(board_pci_channels); | 147 | EXPORT_SYMBOL(board_pci_channels); |