2 * pcicfg.h: PCI configuration constants and structures.
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24 * $Id: pcicfg.h 413666 2013-07-20 01:16:40Z $
30 /* A structure for the config registers is nice, but in most
31 * systems the config space is not memory mapped, so we need
37 #define PCI_CFG_STAT 6
39 #define PCI_CFG_PROGIF 9
40 #define PCI_CFG_SUBCL 0xa
41 #define PCI_CFG_BASECL 0xb
42 #define PCI_CFG_CLSZ 0xc
43 #define PCI_CFG_LATTIM 0xd
44 #define PCI_CFG_HDR 0xe
45 #define PCI_CFG_BIST 0xf
46 #define PCI_CFG_BAR0 0x10
47 #define PCI_CFG_BAR1 0x14
48 #define PCI_CFG_BAR2 0x18
49 #define PCI_CFG_BAR3 0x1c
50 #define PCI_CFG_BAR4 0x20
51 #define PCI_CFG_BAR5 0x24
52 #define PCI_CFG_CIS 0x28
53 #define PCI_CFG_SVID 0x2c
54 #define PCI_CFG_SSID 0x2e
55 #define PCI_CFG_ROMBAR 0x30
56 #define PCI_CFG_CAPPTR 0x34
57 #define PCI_CFG_INT 0x3c
58 #define PCI_CFG_PIN 0x3d
59 #define PCI_CFG_MINGNT 0x3e
60 #define PCI_CFG_MAXLAT 0x3f
61 #define PCI_CFG_DEVCTRL 0xd8
62 #define PCI_BAR0_WIN 0x80 /* backplane addres space accessed by BAR0 */
63 #define PCI_BAR1_WIN 0x84 /* backplane addres space accessed by BAR1 */
64 #define PCI_SPROM_CONTROL 0x88 /* sprom property control */
65 #define PCI_BAR1_CONTROL 0x8c /* BAR1 region burst control */
66 #define PCI_INT_STATUS 0x90 /* PCI and other cores interrupts */
67 #define PCI_INT_MASK 0x94 /* mask of PCI and other cores interrupts */
68 #define PCI_TO_SB_MB 0x98 /* signal backplane interrupts */
69 #define PCI_BACKPLANE_ADDR 0xa0 /* address an arbitrary location on the system backplane */
70 #define PCI_BACKPLANE_DATA 0xa4 /* data at the location specified by above address */
71 #define PCI_CLK_CTL_ST 0xa8 /* pci config space clock control/status (>=rev14) */
72 #define PCI_BAR0_WIN2 0xac /* backplane addres space accessed by second 4KB of BAR0 */
73 #define PCI_GPIO_IN 0xb0 /* pci config space gpio input (>=rev3) */
74 #define PCI_GPIO_OUT 0xb4 /* pci config space gpio output (>=rev3) */
75 #define PCI_GPIO_OUTEN 0xb8 /* pci config space gpio output enable (>=rev3) */
77 #define PCI_BAR0_SHADOW_OFFSET (2 * 1024) /* bar0 + 2K accesses sprom shadow (in pci core) */
78 #define PCI_BAR0_SPROM_OFFSET (4 * 1024) /* bar0 + 4K accesses external sprom */
79 #define PCI_BAR0_PCIREGS_OFFSET (6 * 1024) /* bar0 + 6K accesses pci core registers */
80 #define PCI_BAR0_PCISBR_OFFSET (4 * 1024) /* pci core SB registers are at the end of the
81 * 8KB window, so their address is the "regular"
85 * PCIE GEN2 changed some of the above locations for
86 * Bar0WrapperBase, SecondaryBAR0Window and SecondaryBAR0WrapperBase
87 * BAR0 maps 32K of register space
89 #define PCIE2_BAR0_WIN2 0x70 /* backplane addres space accessed by second 4KB of BAR0 */
90 #define PCIE2_BAR0_CORE2_WIN 0x74 /* backplane addres space accessed by second 4KB of BAR0 */
91 #define PCIE2_BAR0_CORE2_WIN2 0x78 /* backplane addres space accessed by second 4KB of BAR0 */
93 #define PCI_BAR0_WINSZ (16 * 1024) /* bar0 window size Match with corerev 13 */
94 /* On pci corerev >= 13 and all pcie, the bar0 is now 16KB and it maps: */
95 #define PCI_16KB0_PCIREGS_OFFSET (8 * 1024) /* bar0 + 8K accesses pci/pcie core registers */
96 #define PCI_16KB0_CCREGS_OFFSET (12 * 1024) /* bar0 + 12K accesses chipc core registers */
97 #define PCI_16KBB0_WINSZ (16 * 1024) /* bar0 window size */
100 #define PCI_CONFIG_SPACE_SIZE 256
101 #endif /* _h_pcicfg_ */