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[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>
hifive-unleashed-5.1
Benjamin Herrenschmidt 2007-12-11 14:48:17 +11:00 committed by Paul Mackerras
parent cfad589f56
commit 25e81f925d
3 changed files with 6 additions and 3 deletions
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3
arch/powerpc/kernel/pci-common.c
View File

@ -50,6 +50,9 @@ static DEFINE_SPINLOCK(hose_spinlock);
/* 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)
{

1
arch/powerpc/kernel/pci_32.c
View File

@ -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;

5
include/asm-powerpc/io.h
View File

@ -50,15 +50,16 @@ extern int check_legacy_ioport(unsigned long base_port);
#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