Initial revision

1 files changed, 113 insertions, 0 deletions

diff --git a/include/galileo/pci.h b/include/galileo/pci.h
new file mode 100644
index 0000000..f45dd36
--- /dev/null
+++ b/include/galileo/pci.h
@@ -0,0 +1,113 @@
+/* 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 */