* PCI Local Bus Specification
* PCI to PCI Bridge Specification
* PCI System Design Guide
+ *
+ * For hypertransport information, please consult the following manuals
+ * from http://www.hypertransport.org
+ *
+ * The Hypertransport I/O Link Specification
*/
#ifndef LINUX_PCI_REGS_H
#define PCI_BRIDGE_CONTROL 0x3e
#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
-#define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */
+#define PCI_BRIDGE_CTL_ISA 0x04 /* Enable ISA mode */
#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
#define PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */
#define PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */
#define PCI_CAP_ID_PCIX 0x07 /* PCI-X */
-#define PCI_CAP_ID_HT_IRQCONF 0x08 /* HyperTransport IRQ Configuration */
-#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific capability */
+#define PCI_CAP_ID_HT 0x08 /* HyperTransport */
+#define PCI_CAP_ID_VNDR 0x09 /* Vendor specific */
+#define PCI_CAP_ID_DBG 0x0A /* Debug port */
+#define PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */
#define PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */
+#define PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */
+#define PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */
#define PCI_CAP_ID_EXP 0x10 /* PCI Express */
#define PCI_CAP_ID_MSIX 0x11 /* MSI-X */
#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */
#define PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */
#define PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */
#define PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */
+#define PCI_PM_CAP_PME_SHIFT 11 /* Start of the PME Mask in PMC */
#define PCI_PM_CTRL 4 /* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */
#define PCI_PM_CTRL_NO_SOFT_RESET 0x0004 /* No reset for D3hot->D0 */
#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_BIT 16 /* Mask bits register */
+/* MSI-X registers (these are at offset PCI_MSIX_FLAGS) */
+#define PCI_MSIX_FLAGS 2
+#define PCI_MSIX_FLAGS_QSIZE 0x7FF
+#define PCI_MSIX_FLAGS_ENABLE (1 << 15)
+#define PCI_MSIX_FLAGS_MASKALL (1 << 14)
+#define PCI_MSIX_FLAGS_BIRMASK (7 << 0)
+#define PCI_MSIX_FLAGS_BITMASK (1 << 0)
+
/* CompactPCI Hotswap Register */
#define PCI_CHSWP_CSR 2 /* Control and Status Register */
#define PCI_X_CMD 2 /* Modes & Features */
#define PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */
#define PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */
+#define PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */
+#define PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */
+#define PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */
#define PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */
+ /* Max # of outstanding split transactions */
+#define PCI_X_CMD_SPLIT_1 0x0000 /* Max 1 */
+#define PCI_X_CMD_SPLIT_2 0x0010 /* Max 2 */
+#define PCI_X_CMD_SPLIT_3 0x0020 /* Max 3 */
+#define PCI_X_CMD_SPLIT_4 0x0030 /* Max 4 */
+#define PCI_X_CMD_SPLIT_8 0x0040 /* Max 8 */
+#define PCI_X_CMD_SPLIT_12 0x0050 /* Max 12 */
+#define PCI_X_CMD_SPLIT_16 0x0060 /* Max 16 */
+#define PCI_X_CMD_SPLIT_32 0x0070 /* Max 32 */
#define PCI_X_CMD_MAX_SPLIT 0x0070 /* Max Outstanding Split Transactions */
#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3) /* Version */
#define PCI_X_STATUS 4 /* PCI-X capabilities */
#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */
#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */
#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */
+#define PCI_EXP_DEVCAP_RBER 0x8000 /* Role-Based Error Reporting */
#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */
#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */
#define PCI_EXP_DEVCTL 8 /* Device Control */
#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */
#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */
#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
+#define PCI_EXP_LNKCAP_ASPMS 0xc00 /* ASPM Support */
+#define PCI_EXP_LNKCAP_L0SEL 0x7000 /* L0s Exit Latency */
+#define PCI_EXP_LNKCAP_L1EL 0x38000 /* L1 Exit Latency */
+#define PCI_EXP_LNKCAP_CLKPM 0x40000 /* L1 Clock Power Management */
#define PCI_EXP_LNKCTL 16 /* Link Control */
+#define PCI_EXP_LNKCTL_RL 0x20 /* Retrain Link */
+#define PCI_EXP_LNKCTL_CCC 0x40 /* Common Clock COnfiguration */
+#define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */
#define PCI_EXP_LNKSTA 18 /* Link Status */
+#define PCI_EXP_LNKSTA_LT 0x800 /* Link Training */
+#define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */
#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
#define PCI_EXP_SLTCTL 24 /* Slot Control */
#define PCI_EXP_SLTSTA 26 /* Slot Status */
#define PCI_PWR_CAP 12 /* Capability */
#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
+/*
+ * Hypertransport sub capability types
+ *
+ * Unfortunately there are both 3 bit and 5 bit capability types defined
+ * in the HT spec, catering for that is a little messy. You probably don't
+ * want to use these directly, just use pci_find_ht_capability() and it
+ * will do the right thing for you.
+ */
+#define HT_3BIT_CAP_MASK 0xE0
+#define HT_CAPTYPE_SLAVE 0x00 /* Slave/Primary link configuration */
+#define HT_CAPTYPE_HOST 0x20 /* Host/Secondary link configuration */
+
+#define HT_5BIT_CAP_MASK 0xF8
+#define HT_CAPTYPE_IRQ 0x80 /* IRQ Configuration */
+#define HT_CAPTYPE_REMAPPING_40 0xA0 /* 40 bit address remapping */
+#define HT_CAPTYPE_REMAPPING_64 0xA2 /* 64 bit address remapping */
+#define HT_CAPTYPE_UNITID_CLUMP 0x90 /* Unit ID clumping */
+#define HT_CAPTYPE_EXTCONF 0x98 /* Extended Configuration Space Access */
+#define HT_CAPTYPE_MSI_MAPPING 0xA8 /* MSI Mapping Capability */
+#define HT_MSI_FLAGS 0x02 /* Offset to flags */
+#define HT_MSI_FLAGS_ENABLE 0x1 /* Mapping enable */
+#define HT_MSI_FLAGS_FIXED 0x2 /* Fixed mapping only */
+#define HT_MSI_FIXED_ADDR 0x00000000FEE00000ULL /* Fixed addr */
+#define HT_MSI_ADDR_LO 0x04 /* Offset to low addr bits */
+#define HT_MSI_ADDR_LO_MASK 0xFFF00000 /* Low address bit mask */
+#define HT_MSI_ADDR_HI 0x08 /* Offset to high addr bits */
+#define HT_CAPTYPE_DIRECT_ROUTE 0xB0 /* Direct routing configuration */
+#define HT_CAPTYPE_VCSET 0xB8 /* Virtual Channel configuration */
+#define HT_CAPTYPE_ERROR_RETRY 0xC0 /* Retry on error configuration */
+#define HT_CAPTYPE_GEN3 0xD0 /* Generation 3 hypertransport configuration */
+#define HT_CAPTYPE_PM 0xE0 /* Hypertransport powermanagement configuration */
+
+
#endif /* LINUX_PCI_REGS_H */
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