1#ifndef LINUX_SSB_PCICORE_H_
2#define LINUX_SSB_PCICORE_H_
3
4#include <linux/types.h>
5
6struct pci_dev;
7
8
9#ifdef CONFIG_SSB_DRIVER_PCICORE
10
11/* PCI core registers. */
12#define SSB_PCICORE_CTL			0x0000	/* PCI Control */
13#define  SSB_PCICORE_CTL_RST_OE		0x00000001 /* PCI_RESET Output Enable */
14#define  SSB_PCICORE_CTL_RST		0x00000002 /* PCI_RESET driven out to pin */
15#define  SSB_PCICORE_CTL_CLK_OE		0x00000004 /* Clock gate Output Enable */
16#define  SSB_PCICORE_CTL_CLK		0x00000008 /* Gate for clock driven out to pin */
17#define SSB_PCICORE_ARBCTL		0x0010	/* PCI Arbiter Control */
18#define  SSB_PCICORE_ARBCTL_INTERN	0x00000001 /* Use internal arbiter */
19#define  SSB_PCICORE_ARBCTL_EXTERN	0x00000002 /* Use external arbiter */
20#define  SSB_PCICORE_ARBCTL_PARKID	0x00000006 /* Mask, selects which agent is parked on an idle bus */
21#define   SSB_PCICORE_ARBCTL_PARKID_LAST	0x00000000 /* Last requestor */
22#define   SSB_PCICORE_ARBCTL_PARKID_4710	0x00000002 /* 4710 */
23#define   SSB_PCICORE_ARBCTL_PARKID_EXT0	0x00000004 /* External requestor 0 */
24#define   SSB_PCICORE_ARBCTL_PARKID_EXT1	0x00000006 /* External requestor 1 */
25#define SSB_PCICORE_ISTAT		0x0020	/* Interrupt status */
26#define  SSB_PCICORE_ISTAT_INTA		0x00000001 /* PCI INTA# */
27#define  SSB_PCICORE_ISTAT_INTB		0x00000002 /* PCI INTB# */
28#define  SSB_PCICORE_ISTAT_SERR		0x00000004 /* PCI SERR# (write to clear) */
29#define  SSB_PCICORE_ISTAT_PERR		0x00000008 /* PCI PERR# (write to clear) */
30#define  SSB_PCICORE_ISTAT_PME		0x00000010 /* PCI PME# */
31#define SSB_PCICORE_IMASK		0x0024	/* Interrupt mask */
32#define  SSB_PCICORE_IMASK_INTA		0x00000001 /* PCI INTA# */
33#define  SSB_PCICORE_IMASK_INTB		0x00000002 /* PCI INTB# */
34#define  SSB_PCICORE_IMASK_SERR		0x00000004 /* PCI SERR# */
35#define  SSB_PCICORE_IMASK_PERR		0x00000008 /* PCI PERR# */
36#define  SSB_PCICORE_IMASK_PME		0x00000010 /* PCI PME# */
37#define SSB_PCICORE_MBOX		0x0028	/* Backplane to PCI Mailbox */
38#define  SSB_PCICORE_MBOX_F0_0		0x00000100 /* PCI function 0, INT 0 */
39#define  SSB_PCICORE_MBOX_F0_1		0x00000200 /* PCI function 0, INT 1 */
40#define  SSB_PCICORE_MBOX_F1_0		0x00000400 /* PCI function 1, INT 0 */
41#define  SSB_PCICORE_MBOX_F1_1		0x00000800 /* PCI function 1, INT 1 */
42#define  SSB_PCICORE_MBOX_F2_0		0x00001000 /* PCI function 2, INT 0 */
43#define  SSB_PCICORE_MBOX_F2_1		0x00002000 /* PCI function 2, INT 1 */
44#define  SSB_PCICORE_MBOX_F3_0		0x00004000 /* PCI function 3, INT 0 */
45#define  SSB_PCICORE_MBOX_F3_1		0x00008000 /* PCI function 3, INT 1 */
46#define SSB_PCICORE_BCAST_ADDR		0x0050	/* Backplane Broadcast Address */
47#define  SSB_PCICORE_BCAST_ADDR_MASK	0x000000FF
48#define SSB_PCICORE_BCAST_DATA		0x0054	/* Backplane Broadcast Data */
49#define SSB_PCICORE_GPIO_IN		0x0060	/* rev >= 2 only */
50#define SSB_PCICORE_GPIO_OUT		0x0064	/* rev >= 2 only */
51#define SSB_PCICORE_GPIO_ENABLE		0x0068	/* rev >= 2 only */
52#define SSB_PCICORE_GPIO_CTL		0x006C	/* rev >= 2 only */
53#define SSB_PCICORE_SBTOPCI0		0x0100	/* Backplane to PCI translation 0 (sbtopci0) */
54#define  SSB_PCICORE_SBTOPCI0_MASK	0xFC000000
55#define SSB_PCICORE_SBTOPCI1		0x0104	/* Backplane to PCI translation 1 (sbtopci1) */
56#define  SSB_PCICORE_SBTOPCI1_MASK	0xFC000000
57#define SSB_PCICORE_SBTOPCI2		0x0108	/* Backplane to PCI translation 2 (sbtopci2) */
58#define  SSB_PCICORE_SBTOPCI2_MASK	0xC0000000
59#define SSB_PCICORE_PCICFG0		0x0400	/* PCI config space 0 (rev >= 8) */
60#define SSB_PCICORE_PCICFG1		0x0500	/* PCI config space 1 (rev >= 8) */
61#define SSB_PCICORE_PCICFG2		0x0600	/* PCI config space 2 (rev >= 8) */
62#define SSB_PCICORE_PCICFG3		0x0700	/* PCI config space 3 (rev >= 8) */
63#define SSB_PCICORE_SPROM(wordoffset)	(0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */
64
65/* SBtoPCIx */
66#define SSB_PCICORE_SBTOPCI_MEM		0x00000000
67#define SSB_PCICORE_SBTOPCI_IO		0x00000001
68#define SSB_PCICORE_SBTOPCI_CFG0	0x00000002
69#define SSB_PCICORE_SBTOPCI_CFG1	0x00000003
70#define SSB_PCICORE_SBTOPCI_PREF	0x00000004 /* Prefetch enable */
71#define SSB_PCICORE_SBTOPCI_BURST	0x00000008 /* Burst enable */
72#define SSB_PCICORE_SBTOPCI_MRM		0x00000020 /* Memory Read Multiple */
73#define SSB_PCICORE_SBTOPCI_RC		0x00000030 /* Read Command mask (rev >= 11) */
74#define  SSB_PCICORE_SBTOPCI_RC_READ	0x00000000 /* Memory read */
75#define  SSB_PCICORE_SBTOPCI_RC_READL	0x00000010 /* Memory read line */
76#define  SSB_PCICORE_SBTOPCI_RC_READM	0x00000020 /* Memory read multiple */
77
78
79/* PCIcore specific boardflags */
80#define SSB_PCICORE_BFL_NOPCI		0x00000400 /* Board leaves PCI floating */
81
82
83struct ssb_pcicore {
84	struct ssb_device *dev;
85	u8 setup_done:1;
86	u8 hostmode:1;
87	u8 cardbusmode:1;
88};
89
90extern void ssb_pcicore_init(struct ssb_pcicore *pc);
91
92/* Enable IRQ routing for a specific device */
93extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
94					  struct ssb_device *dev);
95
96int ssb_pcicore_plat_dev_init(struct pci_dev *d);
97int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);
98
99
100#else /* CONFIG_SSB_DRIVER_PCICORE */
101
102
103struct ssb_pcicore {
104};
105
106static inline
107void ssb_pcicore_init(struct ssb_pcicore *pc)
108{
109}
110
111static inline
112int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
113				   struct ssb_device *dev)
114{
115	return 0;
116}
117
118static inline
119int ssb_pcicore_plat_dev_init(struct pci_dev *d)
120{
121	return -ENODEV;
122}
123static inline
124int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
125{
126	return -ENODEV;
127}
128
129#endif /* CONFIG_SSB_DRIVER_PCICORE */
130#endif /* LINUX_SSB_PCICORE_H_ */
131