1 #ifndef _ASM_PARISC_ROPES_H_
2 #define _ASM_PARISC_ROPES_H_
5 /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
10 /* depends on proc fs support. But costs CPU performance */
11 #undef SBA_COLLECT_STATS
15 ** The number of pdir entries to "free" before issueing
16 ** a read to PCOM register to flush out PCOM writes.
17 ** Interacts with allocation granularity (ie 4 or 8 entries
18 ** allocated and free'd/purged at a time might make this
21 #define DELAYED_RESOURCE_CNT 16
23 #define MAX_IOC 2 /* per Ike. Pluto/Astro only have 1. */
24 #define ROPES_PER_IOC 8 /* per Ike half or Pluto/Astro */
27 void __iomem *ioc_hpa; /* I/O MMU base address */
28 char *res_map; /* resource map, bit == pdir entry */
29 u64 *pdir_base; /* physical base address */
30 unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */
31 unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */
33 unsigned long iovp_mask; /* help convert IOVA to IOVP */
35 unsigned long *res_hint; /* next avail IOVP - circular search */
37 unsigned int res_bitshift; /* from the LEFT! */
38 unsigned int res_size; /* size of resource map in bytes */
39 #ifdef SBA_HINT_SUPPORT
40 /* FIXME : DMA HINTs not used */
41 unsigned long hint_mask_pdir; /* bits used for DMA hints */
42 unsigned int hint_shift_pdir;
44 #if DELAYED_RESOURCE_CNT > 0
49 } saved[DELAYED_RESOURCE_CNT];
52 #ifdef SBA_COLLECT_STATS
53 #define SBA_SEARCH_SAMPLE 0x100
54 unsigned long avg_search[SBA_SEARCH_SAMPLE];
55 unsigned long avg_idx; /* current index into avg_search */
56 unsigned long used_pages;
57 unsigned long msingle_calls;
58 unsigned long msingle_pages;
59 unsigned long msg_calls;
60 unsigned long msg_pages;
61 unsigned long usingle_calls;
62 unsigned long usingle_pages;
63 unsigned long usg_calls;
64 unsigned long usg_pages;
66 /* STUFF We don't need in performance path */
67 unsigned int pdir_size; /* in bytes, determined by IOV Space size */
71 struct sba_device *next; /* list of SBA's in system */
72 struct parisc_device *dev; /* dev found in bus walk */
74 void __iomem *sba_hpa; /* base address */
76 unsigned int flags; /* state/functionality enabled */
77 unsigned int hw_rev; /* HW revision of chip */
79 struct resource chip_resv; /* MMIO reserved for chip */
80 struct resource iommu_resv; /* MMIO reserved for iommu */
82 unsigned int num_ioc; /* number of on-board IOC's */
83 struct ioc ioc[MAX_IOC];
86 #define ASTRO_RUNWAY_PORT 0x582
87 #define IKE_MERCED_PORT 0x803
88 #define REO_MERCED_PORT 0x804
89 #define REOG_MERCED_PORT 0x805
90 #define PLUTO_MCKINLEY_PORT 0x880
92 static inline int IS_ASTRO(struct parisc_device *d) {
93 return d->id.hversion == ASTRO_RUNWAY_PORT;
96 static inline int IS_IKE(struct parisc_device *d) {
97 return d->id.hversion == IKE_MERCED_PORT;
100 static inline int IS_PLUTO(struct parisc_device *d) {
101 return d->id.hversion == PLUTO_MCKINLEY_PORT;
104 #define SBA_IOMMU_COOKIE 0x0000badbadc0ffeeUL
107 ** lba_device: Per instance Elroy data structure
110 struct pci_hba_data hba;
116 void __iomem *iop_base; /* PA_VIEW - for IO port accessor funcs */
119 int flags; /* state/functionality enabled */
120 int hw_rev; /* HW revision of chip */
123 #define ELROY_HVERS 0x782
124 #define MERCURY_HVERS 0x783
125 #define QUICKSILVER_HVERS 0x784
127 static inline int IS_ELROY(struct parisc_device *d) {
128 return (d->id.hversion == ELROY_HVERS);
131 static inline int IS_MERCURY(struct parisc_device *d) {
132 return (d->id.hversion == MERCURY_HVERS);
135 static inline int IS_QUICKSILVER(struct parisc_device *d) {
136 return (d->id.hversion == QUICKSILVER_HVERS);
140 ** I/O SAPIC init function
141 ** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC.
142 ** Call setup as part of per instance initialization.
143 ** (ie *not* init_module() function unless only one is present.)
144 ** fixup_irq is to initialize PCI IRQ line support and
145 ** virtualize pcidev->irq value. To be called by pci_fixup_bus().
147 extern void *iosapic_register(unsigned long hpa);
148 extern int iosapic_fixup_irq(void *obj, struct pci_dev *pcidev);
150 #endif /*_ASM_PARISC_ROPES_H_*/