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authorMichael J. Chudobiak <mjc@avtechpulse.com>2016-04-25 10:00:44 -0400
committerMichael J. Chudobiak <mjc@avtechpulse.com>2016-04-25 10:00:44 -0400
commita1df417e74aa6dae7352dc8cbb0ad471af5b7c69 (patch)
treec34b2311e37ea31db153c90cb8f4570374d05e78 /linux/arch/arm/mm/iomap.c
initial Olimex linux tree from Daniel, originally Feb 3, 2016
Diffstat (limited to 'linux/arch/arm/mm/iomap.c')
-rw-r--r--linux/arch/arm/mm/iomap.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/linux/arch/arm/mm/iomap.c b/linux/arch/arm/mm/iomap.c
new file mode 100644
index 00000000..46142083
--- /dev/null
+++ b/linux/arch/arm/mm/iomap.c
@@ -0,0 +1,42 @@
+/*
+ * linux/arch/arm/mm/iomap.c
+ *
+ * Map IO port and PCI memory spaces so that {read,write}[bwl] can
+ * be used to access this memory.
+ */
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+
+unsigned long vga_base;
+EXPORT_SYMBOL(vga_base);
+
+#ifdef __io
+void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+ return __io(port);
+}
+EXPORT_SYMBOL(ioport_map);
+
+void ioport_unmap(void __iomem *addr)
+{
+}
+EXPORT_SYMBOL(ioport_unmap);
+#endif
+
+#ifdef CONFIG_PCI
+unsigned long pcibios_min_io = 0x1000;
+EXPORT_SYMBOL(pcibios_min_io);
+
+unsigned long pcibios_min_mem = 0x01000000;
+EXPORT_SYMBOL(pcibios_min_mem);
+
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+ if ((unsigned long)addr >= VMALLOC_START &&
+ (unsigned long)addr < VMALLOC_END)
+ iounmap(addr);
+}
+EXPORT_SYMBOL(pci_iounmap);
+#endif