diff options
Diffstat (limited to 'include/asm-arm/arch-iop33x/hardware.h')
-rw-r--r-- | include/asm-arm/arch-iop33x/hardware.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop33x/hardware.h b/include/asm-arm/arch-iop33x/hardware.h new file mode 100644 index 0000000..4a45708 --- /dev/null +++ b/include/asm-arm/arch-iop33x/hardware.h @@ -0,0 +1,54 @@ +/* + * linux/include/asm-arm/arch-iop33x/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-iop33x/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 "iop331.h" + +/* + * Board specific bits + */ +#include "iq80331.h" +#include "iq80332.h" + +#endif /* _ASM_ARCH_HARDWARE_H */ |