Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5531e41b authored by Kumar Gala's avatar Kumar Gala
Browse files

[POWERPC] Merge asm-ppc/pci-bridge.h into asm-power/pci-bridge.h 



Moved bits need for ppc32 from asm-ppc/pci-bridge.h into
asm-powerpc/pci-bridge.h.

Removed ARCH=powerpc specific bits (and comments related to ARCH=ppc)
from asm-ppc/pci-bridge.h as its only used on ARCH=ppc.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent 20243c72

include/asm-powerpc/pci-bridge.h

+120 −18
Original line number Diff line number Diff line
@@ -3,7 +3,103 @@ 
#ifdef __KERNEL__



#ifndef CONFIG_PPC64

#include <asm-ppc/pci-bridge.h>

#include <linux/ioport.h>

#include <linux/pci.h>



struct device_node;

struct pci_controller;



/*

 * pci_io_base returns the memory address at which you can access

 * the I/O space for PCI bus number `bus' (or NULL on error).

 */

extern void __iomem *pci_bus_io_base(unsigned int bus);

extern unsigned long pci_bus_io_base_phys(unsigned int bus);

extern unsigned long pci_bus_mem_base_phys(unsigned int bus);



/* Allocate a new PCI host bridge structure */

extern struct pci_controller* pcibios_alloc_controller(void);



/* Helper function for setting up resources */

extern void pci_init_resource(struct resource *res, resource_size_t start,

			      resource_size_t end, int flags, char *name);



/* Get the PCI host controller for a bus */

extern struct pci_controller* pci_bus_to_hose(int bus);



/*

 * Structure of a PCI controller (host bridge)

 */

struct pci_controller {

	struct pci_bus *bus;

	void *arch_data;

	int index;			/* PCI domain number */

	struct pci_controller *next;

	struct device *parent;



	int first_busno;

	int last_busno;

	int self_busno;



	void __iomem *io_base_virt;

	resource_size_t io_base_phys;



	/* Some machines (PReP) have a non 1:1 mapping of

	 * the PCI memory space in the CPU bus space

	 */

	resource_size_t pci_mem_offset;



	struct pci_ops *ops;

	volatile unsigned int __iomem *cfg_addr;

	volatile void __iomem *cfg_data;



	/*

	 * Used for variants of PCI indirect handling and possible quirks:

	 *  SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1

	 *  EXT_REG - provides access to PCI-e extended registers

	 *  SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS

	 *   on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS

	 *   to determine which bus number to match on when generating type0

	 *   config cycles

	 */

#define PPC_INDIRECT_TYPE_SET_CFG_TYPE		(0x00000001)

#define PPC_INDIRECT_TYPE_EXT_REG		(0x00000002)

#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS	(0x00000004)

	u32 indirect_type;



	/* Currently, we limit ourselves to 1 IO range and 3 mem

	 * ranges since the common pci_bus structure can't handle more

	 */

	struct resource	io_resource;

	struct resource mem_resources[3];

};



static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)

{

	return bus->sysdata;

}



/* These are used for config access before all the PCI probing

   has been done. */

int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,

			   int where, u8 *val);

int early_read_config_word(struct pci_controller *hose, int bus, int dev_fn,

			   int where, u16 *val);

int early_read_config_dword(struct pci_controller *hose, int bus, int dev_fn,

			    int where, u32 *val);

int early_write_config_byte(struct pci_controller *hose, int bus, int dev_fn,

			    int where, u8 val);

int early_write_config_word(struct pci_controller *hose, int bus, int dev_fn,

			    int where, u16 val);

int early_write_config_dword(struct pci_controller *hose, int bus, int dev_fn,

			     int where, u32 val);



extern void setup_indirect_pci_nomap(struct pci_controller* hose,

			       void __iomem *cfg_addr, void __iomem *cfg_data);

extern void setup_indirect_pci(struct pci_controller* hose,

			       u32 cfg_addr, u32 cfg_data);

extern void setup_grackle(struct pci_controller *hose);



#else



#include <linux/pci.h>
@@ -132,9 +228,6 @@ static inline struct device_node *pci_bus_to_OF_node(struct pci_bus *bus) 
/** Find the bus corresponding to the indicated device node */

struct pci_bus * pcibios_find_pci_bus(struct device_node *dn);



extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,

					 struct device_node *dev, int primary);



/** Remove all of the PCI devices under this bus */

void pcibios_remove_pci_devices(struct pci_bus *bus);
@@ -152,22 +245,10 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus) 
	return PCI_DN(busdn)->phb;

}



extern struct pci_controller*

pci_find_hose_for_OF_device(struct device_node* node);



extern struct pci_controller *

pcibios_alloc_controller(struct device_node *dev);

extern void pcibios_free_controller(struct pci_controller *phb);



#ifdef CONFIG_PCI

extern unsigned long pci_address_to_pio(phys_addr_t address);

#else

static inline unsigned long pci_address_to_pio(phys_addr_t address)

{

	return (unsigned long)-1;

}

#endif



extern void isa_bridge_find_early(struct pci_controller *hose);



extern int pcibios_unmap_io_space(struct pci_bus *bus);
@@ -185,5 +266,26 @@ extern int pcibios_map_io_space(struct pci_bus *bus); 
#endif



#endif /* CONFIG_PPC64 */



/* Get the PCI host controller for an OF device */

extern struct pci_controller*

pci_find_hose_for_OF_device(struct device_node* node);



/* Fill up host controller resources from the OF node */

extern void

pci_process_bridge_OF_ranges(struct pci_controller *hose,

			   struct device_node *dev, int primary);



#ifdef CONFIG_PCI

extern unsigned long pci_address_to_pio(phys_addr_t address);

#else

static inline unsigned long pci_address_to_pio(phys_addr_t address)

{

	return (unsigned long)-1;

}

#endif







#endif /* __KERNEL__ */

#endif

include/asm-ppc/pci-bridge.h

+0 −17
Original line number Diff line number Diff line
@@ -47,8 +47,6 @@ struct pci_controller { 


	int first_busno;

	int last_busno;

	int self_busno;

	/* bus_offset is only used by ARCH=ppc */

	int bus_offset;



	void __iomem *io_base_virt;
@@ -65,24 +63,9 @@ struct pci_controller { 
	/*

	 * If set, indirect method will set the cfg_type bit as

	 * needed to generate type 1 configuration transactions.

	 * use only on ARCH=ppc

	 */

	int set_cfg_type;



	/*

	 * Used for variants of PCI indirect handling and possible quirks:

	 *  SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1

	 *  EXT_REG - provides access to PCI-e extended registers

	 *  SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS

	 *   on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS

	 *   to determine which bus number to match on when generating type0

	 *   config cycles

	 */

#define PPC_INDIRECT_TYPE_SET_CFG_TYPE		(0x00000001)

#define PPC_INDIRECT_TYPE_EXT_REG		(0x00000002)

#define PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS	(0x00000004)

	u32 indirect_type;



	/* Currently, we limit ourselves to 1 IO range and 3 mem

	 * ranges since the common pci_bus structure can't handle more

	 */