[POWERPC] Make isa_mem_base common to 32 and 64 bits
This defines isa_mem_base on both 32 and 64 bits (it used to be 32 bits
only). This avoids a few ifdef's in later patches and potentially can
allow support for VGA text mode on 64 bits powerpc.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index e44cdfc..7be26f6 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -50,15 +50,16 @@
#define PCI_DRAM_OFFSET pci_dram_offset
#else
#define _IO_BASE pci_io_base
-#define _ISA_MEM_BASE 0
+#define _ISA_MEM_BASE isa_mem_base
#define PCI_DRAM_OFFSET 0
#endif
extern unsigned long isa_io_base;
-extern unsigned long isa_mem_base;
extern unsigned long pci_io_base;
extern unsigned long pci_dram_offset;
+extern resource_size_t isa_mem_base;
+
#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_INDIRECT_IO)
#error CONFIG_PPC_INDIRECT_IO is not yet supported on 32 bits
#endif