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Diffstat (limited to 'src/include/device/pci_def.h')
-rw-r--r--src/include/device/pci_def.h91
1 files changed, 60 insertions, 31 deletions
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h
index a1236eff2d..1674ee1e49 100644
--- a/src/include/device/pci_def.h
+++ b/src/include/device/pci_def.h
@@ -23,7 +23,8 @@
#define PCI_STATUS 0x06 /* 16 bits */
#define PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */
#define PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */
-#define PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */
+/* Support User Definable Features [obsolete] */
+#define PCI_STATUS_UDF 0x40
#define PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */
#define PCI_STATUS_PARITY 0x100 /* Detected parity error */
#define PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */
@@ -82,11 +83,13 @@
#define PCI_CARDBUS_CIS 0x28
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
#define PCI_SUBSYSTEM_ID 0x2e
-#define PCI_ROM_ADDRESS 0x30 /* Bits 31..11 are address, 10..1 reserved */
+/* Bits 31..11 are address, 10..1 reserved */
+#define PCI_ROM_ADDRESS 0x30
#define PCI_ROM_ADDRESS_ENABLE 0x01
#define PCI_ROM_ADDRESS_MASK (~0x7ffUL)
-#define PCI_CAPABILITY_LIST 0x34 /* Offset of first capability list entry */
+/* Offset of first capability list entry */
+#define PCI_CAPABILITY_LIST 0x34
/* 0x35-0x3b are reserved */
#define PCI_INTERRUPT_LINE 0x3c /* 8 bits */
@@ -97,15 +100,18 @@
/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
-#define PCI_SUBORDINATE_BUS 0x1a /* Highest bus number behind the bridge */
-#define PCI_SEC_LATENCY_TIMER 0x1b /* Latency timer for secondary interface */
+/* Highest bus number behind the bridge */
+#define PCI_SUBORDINATE_BUS 0x1a
+/* Latency timer for secondary interface */
+#define PCI_SEC_LATENCY_TIMER 0x1b
#define PCI_IO_BASE 0x1c /* I/O range behind the bridge */
#define PCI_IO_LIMIT 0x1d
#define PCI_IO_RANGE_TYPE_MASK 0x0f /* I/O bridging type */
#define PCI_IO_RANGE_TYPE_16 0x00
#define PCI_IO_RANGE_TYPE_32 0x01
#define PCI_IO_RANGE_MASK ~0x0f
-#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
+/* Secondary status register, only bit 14 used */
+#define PCI_SEC_STATUS 0x1e
#define PCI_MEMORY_BASE 0x20 /* Memory range behind */
#define PCI_MEMORY_LIMIT 0x22
#define PCI_MEMORY_RANGE_TYPE_MASK 0x0f
@@ -116,22 +122,26 @@
#define PCI_PREF_RANGE_TYPE_32 0x00
#define PCI_PREF_RANGE_TYPE_64 0x01
#define PCI_PREF_RANGE_MASK ~0x0f
-#define PCI_PREF_BASE_UPPER32 0x28 /* Upper half of prefetchable memory range */
+/* Upper half of prefetchable memory range */
+#define PCI_PREF_BASE_UPPER32 0x28
#define PCI_PREF_LIMIT_UPPER32 0x2c
#define PCI_IO_BASE_UPPER16 0x30 /* Upper half of I/O addresses */
#define PCI_IO_LIMIT_UPPER16 0x32
/* 0x34 same as for htype 0 */
/* 0x35-0x3b is reserved */
-#define PCI_ROM_ADDRESS1 0x38 /* Same as PCI_ROM_ADDRESS, but for htype 1 */
+/* Same as PCI_ROM_ADDRESS, but for htype 1 */
+#define PCI_ROM_ADDRESS1 0x38
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_BRIDGE_CONTROL 0x3e
-#define PCI_BRIDGE_CTL_PARITY 0x01 /* Enable parity detection on secondary interface */
+/* Enable parity detection on secondary interface */
+#define PCI_BRIDGE_CTL_PARITY 0x01
#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_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_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
+/* Fast Back2Back enabled on secondary interface */
+#define PCI_BRIDGE_CTL_FAST_BACK 0x80
/* Header type 2 (CardBus bridges) */
#define PCI_CB_CAPABILITY_LIST 0x14
@@ -156,19 +166,23 @@
#define PCI_CB_IO_RANGE_MASK ~0x03
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_CB_BRIDGE_CONTROL 0x3e
-#define PCI_CB_BRIDGE_CTL_PARITY 0x01 /* Similar to standard bridge control register */
+/* Similar to standard bridge control register */
+#define PCI_CB_BRIDGE_CTL_PARITY 0x01
#define PCI_CB_BRIDGE_CTL_SERR 0x02
#define PCI_CB_BRIDGE_CTL_ISA 0x04
#define PCI_CB_BRIDGE_CTL_VGA 0x08
#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40 /* CardBus reset */
-#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80 /* Enable interrupt for 16-bit cards */
-#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100 /* Prefetch enable for both memory regions */
+/* Enable interrupt for 16-bit cards */
+#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80
+/* Prefetch enable for both memory regions */
+#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
#define PCI_CB_SUBSYSTEM_ID 0x42
-#define PCI_CB_LEGACY_MODE_BASE 0x44 /* 16-bit PC Card legacy mode base address (ExCa) */
+/* 16-bit PC Card legacy mode base address (ExCa) */
+#define PCI_CB_LEGACY_MODE_BASE 0x44
/* 0x48-0x7f reserved */
/* Capability lists */
@@ -223,7 +237,8 @@
#define PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */
#define PCI_PM_PPB_EXTENSIONS 6 /* PPB support extensions (??) */
#define PCI_PM_PPB_B2_B3 0x40 /* Stop clock when in D3hot (??) */
-#define PCI_PM_BPCC_ENABLE 0x80 /* Bus power/clock control enable (??) */
+/* Bus power/clock control enable (??) */
+#define PCI_PM_BPCC_ENABLE 0x80
#define PCI_PM_DATA_REGISTER 7 /* (??) */
#define PCI_PM_SIZEOF 8
@@ -232,7 +247,8 @@
#define PCI_AGP_VERSION 2 /* BCD version number */
#define PCI_AGP_RFU 3 /* Rest of capability flags */
#define PCI_AGP_STATUS 4 /* Status register */
-#define PCI_AGP_STATUS_RQ_MASK 0xff000000 /* Maximum number of requests - 1 */
+/* Maximum number of requests - 1 */
+#define PCI_AGP_STATUS_RQ_MASK 0xff000000
#define PCI_AGP_STATUS_SBA 0x0200 /* Sideband addressing supported */
#define PCI_AGP_STATUS_64BIT 0x0020 /* 64-bit addressing supported */
#define PCI_AGP_STATUS_FW 0x0010 /* FW transfers supported */
@@ -240,10 +256,13 @@
#define PCI_AGP_STATUS_RATE2 0x0002 /* 2x transfer rate supported */
#define PCI_AGP_STATUS_RATE1 0x0001 /* 1x transfer rate supported */
#define PCI_AGP_COMMAND 8 /* Control register */
-#define PCI_AGP_COMMAND_RQ_MASK 0xff000000 /* Master: Maximum number of requests */
+/* Master: Maximum number of requests */
+#define PCI_AGP_COMMAND_RQ_MASK 0xff000000
#define PCI_AGP_COMMAND_SBA 0x0200 /* Sideband addressing enabled */
-#define PCI_AGP_COMMAND_AGP 0x0100 /* Allow processing of AGP transactions */
-#define PCI_AGP_COMMAND_64BIT 0x0020 /* Allow processing of 64-bit addresses */
+/* Allow processing of AGP transactions */
+#define PCI_AGP_COMMAND_AGP 0x0100
+/* Allow processing of 64-bit addresses */
+#define PCI_AGP_COMMAND_64BIT 0x0020
#define PCI_AGP_COMMAND_FW 0x0010 /* Force FW transfers */
#define PCI_AGP_COMMAND_RATE4 0x0004 /* Use 4x rate */
#define PCI_AGP_COMMAND_RATE2 0x0002 /* Use 4x rate */
@@ -253,7 +272,8 @@
/* Slot Identification */
#define PCI_SID_ESR 2 /* Expansion Slot Register */
-#define PCI_SID_ESR_NSLOTS 0x1f /* Number of expansion slots available */
+/* Number of expansion slots available */
+#define PCI_SID_ESR_NSLOTS 0x1f
#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
@@ -266,7 +286,8 @@
#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */
#define PCI_MSI_RFU 3 /* Rest of capability flags */
#define PCI_MSI_ADDRESS_LO 4 /* Lower 32 bits */
-#define PCI_MSI_ADDRESS_HI 8 /* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
+/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
+#define PCI_MSI_ADDRESS_HI 8
#define PCI_MSI_DATA_32 8 /* 16 bits of data for 32-bit devices */
#define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_BIT 16 /* Mask bits register */
@@ -296,24 +317,30 @@
#define PCI_X_STATUS_64BIT 0x00010000 /* 64-bit device */
#define PCI_X_STATUS_133MHZ 0x00020000 /* 133 MHz capable */
#define PCI_X_STATUS_SPL_DISC 0x00040000 /* Split Completion Discarded */
-#define PCI_X_STATUS_UNX_SPL 0x00080000 /* Unexpected Split Completion */
+/* Unexpected Split Completion */
+#define PCI_X_STATUS_UNX_SPL 0x00080000
#define PCI_X_STATUS_COMPLEX 0x00100000 /* Device Complexity */
-#define PCI_X_STATUS_MAX_READ 0x00600000 /* Designed Max Memory Read Count */
-#define PCI_X_STATUS_MAX_SPLIT 0x03800000 /* Designed Max Outstanding Split Transactions */
-#define PCI_X_STATUS_MAX_CUM 0x1c000000 /* Designed Max Cumulative Read Size */
-#define PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error Msg */
+/* Designed Max Memory Read Count */
+#define PCI_X_STATUS_MAX_READ 0x00600000
+/* Designed Max Cumulative Read Size */
+#define PCI_X_STATUS_MAX_SPLIT 0x03800000
+/* Rcvd Split Completion Error Msg */
+#define PCI_X_STATUS_SPL_ERR 0x20000000
#define PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */
#define PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */
/* PCI-X bridge registers */
#define PCI_X_SEC_STATUS 2 /* Secondary status */
-#define PCI_X_SSTATUS_64BIT 0x0001 /* The bus behind the bridge is 64bits wide */
-#define PCI_X_SSTATUS_133MHZ 0x0002 /* The bus behind the bridge is 133Mhz Capable */
+/* The bus behind the bridge is 64bits wide */
+#define PCI_X_SSTATUS_64BIT 0x0001
+/* The bus behind the bridge is 133Mhz Capable */
+#define PCI_X_SSTATUS_133MHZ 0x0002
#define PCI_X_SSTATUS_SPL_DISC 0x0004 /* Split Completion Discarded */
#define PCI_X_SSTATUS_UNX_SPL 0x0008 /* Unexpected Split Completion */
#define PCI_X_SSTATUS_SPL_OVR 0x0010 /* Split Completion Overrun */
#define PCI_X_SSTATUS_SPL_DLY 0x0020 /* Split Completion Delayed */
-#define PCI_X_SSTATUS_MFREQ(x) (((x) & 0x03c0) >> 6) /* PCI-X mode and frequency */
+/* PCI-X mode and frequency */
+#define PCI_X_SSTATUS_MFREQ(x) (((x) & 0x03c0) >> 6)
#define PCI_X_SSTATUS_CONVENTIONAL_PCI 0x0
#define PCI_X_SSTATUS_MODE1_66MHZ 0x1
#define PCI_X_SSTATUS_MODE1_100MHZ 0x2
@@ -325,8 +352,10 @@
#define PCI_X_SSTATUS_MODE2_533MHZ_REF_100MHZ 0xe
#define PCI_X_SSTATUS_MODE2_533MHZ_REF_133MHZ 0xf
#define PCI_X_SSTATUS_VERSION(x) (((x) >> 12) & 3) /* Version */
-#define PCI_X_SSTATUS_266MHZ 0x4000 /* The bus behind the bridge is 266Mhz Capable */
-#define PCI_X_SSTAUTS_533MHZ 0x8000 /* The bus behind the bridge is 533Mhz Capable */
+/* The bus behind the bridge is 266Mhz Capable */
+#define PCI_X_SSTATUS_266MHZ 0x4000
+/* The bus behind the bridge is 533Mhz Capable */
+#define PCI_X_SSTAUTS_533MHZ 0x8000
/* PCI Express capability registers */