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/
usr/
src/
linux-headers-3.0.0-14/
arch/
parisc/
include/
asm/
- drwxr-xr-x
|
Viewing file:  ropes.h (9.69 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef _ASM_PARISC_ROPES_H_
#define _ASM_PARISC_ROPES_H_
#include <asm/parisc-device.h>
#ifdef CONFIG_64BIT
/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
#define ZX1_SUPPORT
#endif
#ifdef CONFIG_PROC_FS
/* depends on proc fs support. But costs CPU performance */
#undef SBA_COLLECT_STATS
#endif
/*
** The number of pdir entries to "free" before issuing
** a read to PCOM register to flush out PCOM writes.
** Interacts with allocation granularity (ie 4 or 8 entries
** allocated and free'd/purged at a time might make this
** less interesting).
*/
#define DELAYED_RESOURCE_CNT 16
#define MAX_IOC 2 /* per Ike. Pluto/Astro only have 1. */
#define ROPES_PER_IOC 8 /* per Ike half or Pluto/Astro */
struct ioc {
void __iomem *ioc_hpa; /* I/O MMU base address */
char *res_map; /* resource map, bit == pdir entry */
u64 *pdir_base; /* physical base address */
unsigned long ibase; /* pdir IOV Space base - shared w/lba_pci */
unsigned long imask; /* pdir IOV Space mask - shared w/lba_pci */
#ifdef ZX1_SUPPORT
unsigned long iovp_mask; /* help convert IOVA to IOVP */
#endif
unsigned long *res_hint; /* next avail IOVP - circular search */
spinlock_t res_lock;
unsigned int res_bitshift; /* from the LEFT! */
unsigned int res_size; /* size of resource map in bytes */
#ifdef SBA_HINT_SUPPORT
/* FIXME : DMA HINTs not used */
unsigned long hint_mask_pdir; /* bits used for DMA hints */
unsigned int hint_shift_pdir;
#endif
#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 */
};
struct sba_device {
struct sba_device *next; /* list of SBA's in system */
struct parisc_device *dev; /* dev found in bus walk */
const char *name;
void __iomem *sba_hpa; /* base address */
spinlock_t sba_lock;
unsigned int flags; /* state/functionality enabled */
unsigned int hw_rev; /* HW revision of chip */
struct resource chip_resv; /* MMIO reserved for chip */
struct resource iommu_resv; /* MMIO reserved for iommu */
unsigned int num_ioc; /* number of on-board IOC's */
struct ioc ioc[MAX_IOC];
};
#define ASTRO_RUNWAY_PORT 0x582
#define IKE_MERCED_PORT 0x803
#define REO_MERCED_PORT 0x804
#define REOG_MERCED_PORT 0x805
#define PLUTO_MCKINLEY_PORT 0x880
static inline int IS_ASTRO(struct parisc_device *d) {
return d->id.hversion == ASTRO_RUNWAY_PORT;
}
static inline int IS_IKE(struct parisc_device *d) {
return d->id.hversion == IKE_MERCED_PORT;
}
static inline int IS_PLUTO(struct parisc_device *d) {
return d->id.hversion == PLUTO_MCKINLEY_PORT;
}
#define PLUTO_IOVA_BASE (1UL*1024*1024*1024) /* 1GB */
#define PLUTO_IOVA_SIZE (1UL*1024*1024*1024) /* 1GB */
#define PLUTO_GART_SIZE (PLUTO_IOVA_SIZE / 2)
#define SBA_PDIR_VALID_BIT 0x8000000000000000ULL
#define SBA_AGPGART_COOKIE 0x0000badbadc0ffeeULL
#define SBA_FUNC_ID 0x0000 /* function id */
#define SBA_FCLASS 0x0008 /* function class, bist, header, rev... */
#define SBA_FUNC_SIZE 4096 /* SBA configuration function reg set */
#define ASTRO_IOC_OFFSET (32 * SBA_FUNC_SIZE)
#define PLUTO_IOC_OFFSET (1 * SBA_FUNC_SIZE)
/* Ike's IOC's occupy functions 2 and 3 */
#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 IOC_CTRL_D4 (1 << 11) /* Disable 4-byte coalescing */
#define IOC_CTRL_DD (1 << 13) /* Disable distr. LMMIO range coalescing */
/*
** Offsets into MBIB (Function 0 on Ike and hopefully Astro)
** Firmware programs this stuff. Don't touch it.
*/
#define LMMIO_DIRECT0_BASE 0x300
#define LMMIO_DIRECT0_MASK 0x308
#define LMMIO_DIRECT0_ROUTE 0x310
#define LMMIO_DIST_BASE 0x360
#define LMMIO_DIST_MASK 0x368
#define LMMIO_DIST_ROUTE 0x370
#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 IOC_ROPE0_CFG 0x500 /* pluto only */
#define IOC_ROPE_AO 0x10 /* Allow "Relaxed Ordering" */
#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
/*
** 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.
**
** PAGE_SIZE could be greater than IOVP_SIZE. But not the inverse.
*/
#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
/*
** lba_device: Per instance Elroy data structure
*/
struct lba_device {
struct pci_hba_data hba;
spinlock_t lba_lock;
void *iosapic_obj;
#ifdef CONFIG_64BIT
void __iomem *iop_base; /* PA_VIEW - for IO port accessor funcs */
#endif
int flags; /* state/functionality enabled */
int hw_rev; /* HW revision of chip */
};
#define ELROY_HVERS 0x782
#define MERCURY_HVERS 0x783
#define QUICKSILVER_HVERS 0x784
static inline int IS_ELROY(struct parisc_device *d) {
return (d->id.hversion == ELROY_HVERS);
}
static inline int IS_MERCURY(struct parisc_device *d) {
return (d->id.hversion == MERCURY_HVERS);
}
static inline int IS_QUICKSILVER(struct parisc_device *d) {
return (d->id.hversion == QUICKSILVER_HVERS);
}
static inline int agp_mode_mercury(void __iomem *hpa) {
u64 bus_mode;
bus_mode = readl(hpa + 0x0620);
if (bus_mode & 1)
return 1;
return 0;
}
/*
** I/O SAPIC init function
** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC.
** Call setup as part of per instance initialization.
** (ie *not* init_module() function unless only one is present.)
** fixup_irq is to initialize PCI IRQ line support and
** virtualize pcidev->irq value. To be called by pci_fixup_bus().
*/
extern void *iosapic_register(unsigned long hpa);
extern int iosapic_fixup_irq(void *obj, struct pci_dev *pcidev);
#define LBA_FUNC_ID 0x0000 /* function id */
#define LBA_FCLASS 0x0008 /* function class, bist, header, rev... */
#define LBA_CAPABLE 0x0030 /* capabilities register */
#define LBA_PCI_CFG_ADDR 0x0040 /* poke CFG address here */
#define LBA_PCI_CFG_DATA 0x0048 /* read or write data here */
#define LBA_PMC_MTLT 0x0050 /* Firmware sets this - read only. */
#define LBA_FW_SCRATCH 0x0058 /* Firmware writes the PCI bus number here. */
#define LBA_ERROR_ADDR 0x0070 /* On error, address gets logged here */
#define LBA_ARB_MASK 0x0080 /* bit 0 enable arbitration. PAT/PDC enables */
#define LBA_ARB_PRI 0x0088 /* firmware sets this. */
#define LBA_ARB_MODE 0x0090 /* firmware sets this. */
#define LBA_ARB_MTLT 0x0098 /* firmware sets this. */
#define LBA_MOD_ID 0x0100 /* Module ID. PDC_PAT_CELL reports 4 */
#define LBA_STAT_CTL 0x0108 /* Status & Control */
#define LBA_BUS_RESET 0x01 /* Deassert PCI Bus Reset Signal */
#define CLEAR_ERRLOG 0x10 /* "Clear Error Log" cmd */
#define CLEAR_ERRLOG_ENABLE 0x20 /* "Clear Error Log" Enable */
#define HF_ENABLE 0x40 /* enable HF mode (default is -1 mode) */
#define LBA_LMMIO_BASE 0x0200 /* < 4GB I/O address range */
#define LBA_LMMIO_MASK 0x0208
#define LBA_GMMIO_BASE 0x0210 /* > 4GB I/O address range */
#define LBA_GMMIO_MASK 0x0218
#define LBA_WLMMIO_BASE 0x0220 /* All < 4GB ranges under the same *SBA* */
#define LBA_WLMMIO_MASK 0x0228
#define LBA_WGMMIO_BASE 0x0230 /* All > 4GB ranges under the same *SBA* */
#define LBA_WGMMIO_MASK 0x0238
#define LBA_IOS_BASE 0x0240 /* I/O port space for this LBA */
#define LBA_IOS_MASK 0x0248
#define LBA_ELMMIO_BASE 0x0250 /* Extra LMMIO range */
#define LBA_ELMMIO_MASK 0x0258
#define LBA_EIOS_BASE 0x0260 /* Extra I/O port space */
#define LBA_EIOS_MASK 0x0268
#define LBA_GLOBAL_MASK 0x0270 /* Mercury only: Global Address Mask */
#define LBA_DMA_CTL 0x0278 /* firmware sets this */
#define LBA_IBASE 0x0300 /* SBA DMA support */
#define LBA_IMASK 0x0308
/* FIXME: ignore DMA Hint stuff until we can measure performance */
#define LBA_HINT_CFG 0x0310
#define LBA_HINT_BASE 0x0380 /* 14 registers at every 8 bytes. */
#define LBA_BUS_MODE 0x0620
/* ERROR regs are needed for config cycle kluges */
#define LBA_ERROR_CONFIG 0x0680
#define LBA_SMART_MODE 0x20
#define LBA_ERROR_STATUS 0x0688
#define LBA_ROPE_CTL 0x06A0
#define LBA_IOSAPIC_BASE 0x800 /* Offset of IRQ logic */
#endif /*_ASM_PARISC_ROPES_H_*/
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