[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/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 2f3f30e..bea11df 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -50,6 +50,9 @@
/* XXX kill that some day ... */
static int global_phb_number; /* Global phb counter */
+/* ISA Memory physical address */
+resource_size_t isa_mem_base;
+
struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
{
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 096c97e..a33c282 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -32,7 +32,6 @@
#endif
unsigned long isa_io_base = 0;
-unsigned long isa_mem_base = 0;
unsigned long pci_dram_offset = 0;
int pcibios_assign_bus_offset = 1;
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