mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-30 16:39:35 +00:00
8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
113 lines
4 KiB
C
113 lines
4 KiB
C
/* PCI.h - PCI functions header file */
|
|
|
|
/* Copyright - Galileo technology. */
|
|
|
|
#ifndef __INCpcih
|
|
#define __INCpcih
|
|
|
|
/* includes */
|
|
|
|
#include "core.h"
|
|
#include "memory.h"
|
|
|
|
/* According to PCI REV 2.1 MAX agents allowed on the bus are -21- */
|
|
#define PCI_MAX_DEVICES 22
|
|
|
|
|
|
/* Macros */
|
|
#define SELF 32
|
|
|
|
/* Defines for the access regions. */
|
|
#define PREFETCH_ENABLE BIT12
|
|
#define PREFETCH_DISABLE NO_BIT
|
|
#define DELAYED_READ_ENABLE BIT13
|
|
/* #define CACHING_ENABLE BIT14 */
|
|
/* aggressive prefetch: PCI slave prefetch two burst in advance*/
|
|
#define AGGRESSIVE_PREFETCH BIT16
|
|
/* read line aggresive prefetch: PCI slave prefetch two burst in advance*/
|
|
#define READ_LINE_AGGRESSIVE_PREFETCH BIT17
|
|
/* read multiple aggresive prefetch: PCI slave prefetch two burst in advance*/
|
|
#define READ_MULTI_AGGRESSIVE_PREFETCH BIT18
|
|
#define MAX_BURST_4 NO_BIT
|
|
#define MAX_BURST_8 BIT20 /* Bits[21:20] = 01 */
|
|
#define MAX_BURST_16 BIT21 /* Bits[21:20] = 10 */
|
|
#define PCI_BYTE_SWAP NO_BIT /* Bits[25:24] = 00 */
|
|
#define PCI_NO_SWAP BIT24 /* Bits[25:24] = 01 */
|
|
#define PCI_BYTE_AND_WORD_SWAP BIT25 /* Bits[25:24] = 10 */
|
|
#define PCI_WORD_SWAP (BIT24 | BIT25) /* Bits[25:24] = 11 */
|
|
#define PCI_ACCESS_PROTECT BIT28
|
|
#define PCI_WRITE_PROTECT BIT29
|
|
|
|
/* typedefs */
|
|
|
|
typedef enum __pciAccessRegions{REGION0,REGION1,REGION2,REGION3,REGION4,REGION5,
|
|
REGION6,REGION7} PCI_ACCESS_REGIONS;
|
|
|
|
typedef enum __pciAgentPrio{LOW_AGENT_PRIO,HI_AGENT_PRIO} PCI_AGENT_PRIO;
|
|
typedef enum __pciAgentPark{PARK_ON_AGENT,DONT_PARK_ON_AGENT} PCI_AGENT_PARK;
|
|
|
|
typedef enum __pciSnoopType{PCI_NO_SNOOP,PCI_SNOOP_WT,PCI_SNOOP_WB}
|
|
PCI_SNOOP_TYPE;
|
|
typedef enum __pciSnoopRegion{PCI_SNOOP_REGION0,PCI_SNOOP_REGION1,
|
|
PCI_SNOOP_REGION2,PCI_SNOOP_REGION3}
|
|
PCI_SNOOP_REGION;
|
|
|
|
typedef enum __memPciHost{PCI_HOST0,PCI_HOST1} PCI_HOST;
|
|
typedef enum __memPciRegion{PCI_REGION0,PCI_REGION1,
|
|
PCI_REGION2,PCI_REGION3,
|
|
PCI_IO}
|
|
PCI_REGION;
|
|
|
|
/* read/write configuration registers on local PCI bus. */
|
|
void pciWriteConfigReg(PCI_HOST host, unsigned int regOffset,
|
|
unsigned int pciDevNum, unsigned int data);
|
|
unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset,
|
|
unsigned int pciDevNum);
|
|
|
|
/* read/write configuration registers on another PCI bus. */
|
|
void pciOverBridgeWriteConfigReg(PCI_HOST host,
|
|
unsigned int regOffset,
|
|
unsigned int pciDevNum,
|
|
unsigned int busNum,unsigned int data);
|
|
unsigned int pciOverBridgeReadConfigReg(PCI_HOST host,
|
|
unsigned int regOffset,
|
|
unsigned int pciDevNum,
|
|
unsigned int busNum);
|
|
|
|
/* Master`s memory space */
|
|
bool pciMapSpace(PCI_HOST host, PCI_REGION region,
|
|
unsigned int remapBase,
|
|
unsigned int deviceBase,
|
|
unsigned int deviceLength);
|
|
unsigned int pciGetSpaceBase(PCI_HOST host, PCI_REGION region);
|
|
unsigned int pciGetSpaceSize(PCI_HOST host, PCI_REGION region);
|
|
|
|
/* Slave`s memory space */
|
|
void pciMapMemoryBank(PCI_HOST host, MEMORY_BANK bank,
|
|
unsigned int pci0Dram0Base, unsigned int pci0Dram0Size);
|
|
|
|
/* PCI region options */
|
|
|
|
bool pciSetRegionFeatures(PCI_HOST host, PCI_ACCESS_REGIONS region,
|
|
unsigned int features, unsigned int baseAddress,
|
|
unsigned int regionLength);
|
|
|
|
void pciDisableAccessRegion(PCI_HOST host, PCI_ACCESS_REGIONS region);
|
|
|
|
/* PCI arbiter */
|
|
|
|
bool pciArbiterEnable(PCI_HOST host);
|
|
bool pciArbiterDisable(PCI_HOST host);
|
|
bool pciParkingDisable(PCI_HOST host, PCI_AGENT_PARK internalAgent,
|
|
PCI_AGENT_PARK externalAgent0,
|
|
PCI_AGENT_PARK externalAgent1,
|
|
PCI_AGENT_PARK externalAgent2,
|
|
PCI_AGENT_PARK externalAgent3,
|
|
PCI_AGENT_PARK externalAgent4,
|
|
PCI_AGENT_PARK externalAgent5);
|
|
bool pciSetRegionSnoopMode(PCI_HOST host, PCI_SNOOP_REGION region,
|
|
PCI_SNOOP_TYPE snoopType,
|
|
unsigned int baseAddress,
|
|
unsigned int regionLength);
|
|
|
|
#endif /* __INCpcih */
|