pci: Allow for PCI addresses to be 64-bit
PCI bus is inherently 64-bit. While not all system require access to
the full 64-bit PCI address range some do. This allows those systems
to enable the full PCI address width via CONFIG_SYS_PCI_64BIT.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Fleming-AFLEMING <afleming@freescale.com>
Acked-by: Wolfgang Denk <wd@denx.de>
diff --git a/include/pci.h b/include/pci.h
index 1c8e216..eebe8a8 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -101,8 +101,8 @@
#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02 /* Below 1M [obsolete] */
#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04 /* 64 bit address */
#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08 /* prefetchable? */
-#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
-#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
+#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fULL)
+#define PCI_BASE_ADDRESS_IO_MASK (~0x03ULL)
/* bit 1 is reserved if address_space = 1 */
/* Header type 0 (normal devices) */
@@ -111,7 +111,7 @@
#define PCI_SUBSYSTEM_ID 0x2e
#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
#define PCI_ROM_ADDRESS_ENABLE 0x01
-#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
+#define PCI_ROM_ADDRESS_MASK (~0x7ffULL)
#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
@@ -312,13 +312,21 @@
#include <pci_ids.h>
-struct pci_region {
- unsigned long bus_start; /* Start on the bus */
- phys_addr_t phys_start; /* Start in physical address space */
- unsigned long size; /* Size */
- unsigned long flags; /* Resource flags */
+#ifdef CONFIG_SYS_PCI_64BIT
+typedef u64 pci_addr_t;
+typedef u64 pci_size_t;
+#else
+typedef u32 pci_addr_t;
+typedef u32 pci_size_t;
+#endif
- unsigned long bus_lower;
+struct pci_region {
+ pci_addr_t bus_start; /* Start on the bus */
+ phys_addr_t phys_start; /* Start in physical address space */
+ pci_size_t size; /* Size */
+ unsigned long flags; /* Resource flags */
+
+ pci_addr_t bus_lower;
};
#define PCI_REGION_MEM 0x00000000 /* PCI memory space */
@@ -330,9 +338,9 @@
#define PCI_REGION_RO 0x00000200 /* Read-only memory */
extern __inline__ void pci_set_region(struct pci_region *reg,
- unsigned long bus_start,
+ pci_addr_t bus_start,
phys_addr_t phys_start,
- unsigned long size,
+ pci_size_t size,
unsigned long flags) {
reg->bus_start = bus_start;
reg->phys_start = phys_start;
@@ -433,9 +441,9 @@
extern void pci_setup_indirect(struct pci_controller* hose, u32 cfg_addr, u32 cfg_data);
extern phys_addr_t pci_hose_bus_to_phys(struct pci_controller* hose,
- unsigned long addr, unsigned long flags);
-extern unsigned long pci_hose_phys_to_bus(struct pci_controller* hose,
- phys_addr_t addr, unsigned long flags);
+ pci_addr_t addr, unsigned long flags);
+extern pci_addr_t pci_hose_phys_to_bus(struct pci_controller* hose,
+ phys_addr_t addr, unsigned long flags);
#define pci_phys_to_bus(dev, addr, flags) \
pci_hose_phys_to_bus(pci_bus_to_hose(PCI_BUS(dev)), (addr), (flags))
@@ -483,8 +491,8 @@
extern int pci_hose_scan_bus(struct pci_controller *hose, int bus);
extern void pciauto_region_init(struct pci_region* res);
-extern void pciauto_region_align(struct pci_region *res, unsigned long size);
-extern int pciauto_region_allocate(struct pci_region* res, unsigned int size, unsigned int *bar);
+extern void pciauto_region_align(struct pci_region *res, pci_size_t size);
+extern int pciauto_region_allocate(struct pci_region* res, pci_size_t size, pci_addr_t *bar);
extern void pciauto_setup_device(struct pci_controller *hose,
pci_dev_t dev, int bars_num,
struct pci_region *mem,
@@ -500,7 +508,7 @@
extern int pci_hose_config_device(struct pci_controller *hose,
pci_dev_t dev,
unsigned long io,
- unsigned long mem,
+ pci_addr_t mem,
unsigned long command);
#ifdef CONFIG_MPC824X