-#define ASTRO_RUNWAY_PORT 0x582
-#define ASTRO_ROPES_PORT 0x780
-
-#define IKE_MERCED_PORT 0x803
-#define IKE_ROPES_PORT 0x781
-
-#define REO_MERCED_PORT 0x804
-#define REO_ROPES_PORT 0x782
-
-#define REOG_MERCED_PORT 0x805
-#define REOG_ROPES_PORT 0x783
-
-#define SBA_FUNC_ID 0x0000 /* function id */
-#define SBA_FCLASS 0x0008 /* function class, bist, header, rev... */
-
-#define IS_ASTRO(id) \
-(((id)->hversion == ASTRO_RUNWAY_PORT) || ((id)->hversion == ASTRO_ROPES_PORT))
-
-#define IS_IKE(id) \
-(((id)->hversion == IKE_MERCED_PORT) || ((id)->hversion == IKE_ROPES_PORT))
-
-#define SBA_FUNC_SIZE 4096 /* SBA configuration function reg set */
-
-#define ASTRO_IOC_OFFSET 0x20000
-/* Ike's IOC's occupy functions 2 and 3 (not 0 and 1) */
-#define IKE_IOC_OFFSET(p) ((p+2)*SBA_FUNC_SIZE)
-
-#define IOC_CTRL 0x8 /* IOC_CTRL offset */
-#define IOC_CTRL_TC (1 << 0) /* TOC Enable */
-#define IOC_CTRL_CE (1 << 1) /* Coalesce Enable */
-#define IOC_CTRL_DE (1 << 2) /* Dillon Enable */
-#define IOC_CTRL_RM (1 << 8) /* Real Mode */
-#define IOC_CTRL_NC (1 << 9) /* Non Coherent Mode */
-
-#define MAX_IOC 2 /* per Ike. Astro only has 1 */
-
-
-/*
-** Offsets into MBIB (Function 0 on Ike and hopefully Astro)
-** Firmware programs this stuff. Don't touch it.
-*/
-#define IOS_DIST_BASE 0x390
-#define IOS_DIST_MASK 0x398
-#define IOS_DIST_ROUTE 0x3A0
-
-#define IOS_DIRECT_BASE 0x3C0
-#define IOS_DIRECT_MASK 0x3C8
-#define IOS_DIRECT_ROUTE 0x3D0
-
-/*
-** Offsets into I/O TLB (Function 2 and 3 on Ike)
-*/
-#define ROPE0_CTL 0x200 /* "regbus pci0" */
-#define ROPE1_CTL 0x208
-#define ROPE2_CTL 0x210
-#define ROPE3_CTL 0x218
-#define ROPE4_CTL 0x220
-#define ROPE5_CTL 0x228
-#define ROPE6_CTL 0x230
-#define ROPE7_CTL 0x238
-
-#define HF_ENABLE 0x40
-
-
-#define IOC_IBASE 0x300 /* IO TLB */
-#define IOC_IMASK 0x308
-#define IOC_PCOM 0x310
-#define IOC_TCNFG 0x318
-#define IOC_PDIR_BASE 0x320
-
-#define IOC_IOVA_SPACE_BASE 0 /* IOVA ranges start at 0 */
-
-/*
-** IOC supports 4/8/16/64KB page sizes (see TCNFG register)
-** It's safer (avoid memory corruption) to keep DMA page mappings
-** equivalently sized to VM PAGE_SIZE.
-**
-** We really can't avoid generating a new mapping for each
-** page since the Virtual Coherence Index has to be generated
-** and updated for each page.
-**
-** IOVP_SIZE could only be greater than PAGE_SIZE if we are
-** confident the drivers really only touch the next physical
-** page iff that driver instance owns it.
-*/
-#define IOVP_SIZE PAGE_SIZE
-#define IOVP_SHIFT PAGE_SHIFT
-#define IOVP_MASK PAGE_MASK
-
-#define SBA_PERF_CFG 0x708 /* Performance Counter stuff */
-#define SBA_PERF_MASK1 0x718
-#define SBA_PERF_MASK2 0x730
-
-
-/*
-** Offsets into PCI Performance Counters (functions 12 and 13)
-** Controlled by PERF registers in function 2 & 3 respectively.
-*/
-#define SBA_PERF_CNT1 0x200
-#define SBA_PERF_CNT2 0x208
-#define SBA_PERF_CNT3 0x210
-
-
-struct ioc {
- unsigned long ioc_hpa; /* I/O MMU base address */
- char *res_map; /* resource map, bit == pdir entry */
- u64 *pdir_base; /* physical base address */
-
- unsigned long *res_hint; /* next avail IOVP - circular search */
- spinlock_t res_lock;
- unsigned long hint_mask_pdir; /* bits used for DMA hints */
- unsigned int res_bitshift; /* from the LEFT! */
- unsigned int res_size; /* size of resource map in bytes */
- unsigned int hint_shift_pdir;
-#if DELAYED_RESOURCE_CNT > 0
- int saved_cnt;
- struct sba_dma_pair {
- dma_addr_t iova;
- size_t size;
- } saved[DELAYED_RESOURCE_CNT];
-#endif
-
-#ifdef SBA_COLLECT_STATS
-#define SBA_SEARCH_SAMPLE 0x100
- unsigned long avg_search[SBA_SEARCH_SAMPLE];
- unsigned long avg_idx; /* current index into avg_search */
- unsigned long used_pages;
- unsigned long msingle_calls;
- unsigned long msingle_pages;
- unsigned long msg_calls;
- unsigned long msg_pages;
- unsigned long usingle_calls;
- unsigned long usingle_pages;
- unsigned long usg_calls;
- unsigned long usg_pages;
-#endif
-
- /* STUFF We don't need in performance path */
- unsigned int pdir_size; /* in bytes, determined by IOV Space size */
- unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */
- unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */
-};
-
-struct sba_device {
- struct sba_device *next; /* list of SBA's in system */
- struct parisc_device *dev; /* dev found in bus walk */
- struct parisc_device_id *iodc; /* data about dev from firmware */
- const char *name;
- unsigned long sba_hpa; /* base address */
- spinlock_t sba_lock;
- unsigned int flags; /* state/functionality enabled */
- unsigned int hw_rev; /* HW revision of chip */
-
- unsigned int num_ioc; /* number of on-board IOC's */
- struct ioc ioc[MAX_IOC];
-};
-
-
-static struct sba_device *sba_list;