aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-iop3xx/hardware.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-iop3xx/hardware.h')
-rw-r--r--include/asm-arm/arch-iop3xx/hardware.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop3xx/hardware.h b/include/asm-arm/arch-iop3xx/hardware.h
new file mode 100644
index 00000000000..3b138171d08
--- /dev/null
+++ b/include/asm-arm/arch-iop3xx/hardware.h
@@ -0,0 +1,57 @@
+/*
+ * linux/include/asm-arm/arch-iop3xx/hardware.h
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/types.h>
+
+/*
+ * Note about PCI IO space mappings
+ *
+ * To make IO space accesses efficient, we store virtual addresses in
+ * the IO resources.
+ *
+ * The PCI IO space is located at virtual 0xfe000000 from physical
+ * 0x90000000. The PCI BARs must be programmed with physical addresses,
+ * but when we read them, we convert them to virtual addresses. See
+ * arch/arm/mach-iop3xx/iop3xx-pci.c
+ */
+
+#define pcibios_assign_all_busses() 1
+
+
+/*
+ * The min PCI I/O and MEM space are dependent on what specific
+ * chipset/platform we are running on, so instead of hardcoding with
+ * #ifdefs, we just fill these in the platform level PCI init code.
+ */
+#ifndef __ASSEMBLY__
+extern unsigned long iop3xx_pcibios_min_io;
+extern unsigned long iop3xx_pcibios_min_mem;
+
+extern unsigned int processor_id;
+#endif
+
+/*
+ * We just set these to zero since they are really bogus anyways
+ */
+#define PCIBIOS_MIN_IO (iop3xx_pcibios_min_io)
+#define PCIBIOS_MIN_MEM (iop3xx_pcibios_min_mem)
+
+/*
+ * Generic chipset bits
+ *
+ */
+#include "iop321.h"
+#include "iop331.h"
+
+/*
+ * Board specific bits
+ */
+#include "iq80321.h"
+#include "iq31244.h"
+#include "iq80331.h"
+#include "iq80332.h"
+
+#endif /* _ASM_ARCH_HARDWARE_H */