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authorKyle McMartin <kyle@parisc-linux.org>2006-08-24 21:32:49 -0400
committerMatthew Wilcox <willy@parisc-linux.org>2006-10-04 06:49:56 -0600
commit1790cf9111f61d360d861901b97eba4de3b5414c (patch)
tree84a1f7e294a0ab24afd8b9d2010107efa1396e4d /drivers/parisc/sba_iommu.c
parentb0eecc4da9c0a5261711e0d83280fd5d1e3db742 (diff)
downloadlinux-linaro-stable-1790cf9111f61d360d861901b97eba4de3b5414c.tar.gz
[PARISC] Create shared <asm/ropes.h> header
Pull out struct sba_device and struct lba_device into a common ropes.h header. Also fold the parisc portion of iosapic.h into this file. (Then delete the useless portion of iosapic.h) Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'drivers/parisc/sba_iommu.c')
-rw-r--r--drivers/parisc/sba_iommu.c109
1 files changed, 1 insertions, 108 deletions
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 5fbc11e4bc5d..12776b7e3a84 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -38,6 +38,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
+#include <asm/ropes.h>
#include <asm/mckinley.h> /* for proc_mckinley_root */
#include <asm/runway.h> /* for proc_runway_root */
#include <asm/pdc.h> /* for PDC_MODEL_* */
@@ -46,11 +47,6 @@
#define MODULE_NAME "SBA"
-#ifdef CONFIG_PROC_FS
-/* depends on proc fs support. But costs CPU performance */
-#undef SBA_COLLECT_STATS
-#endif
-
/*
** The number of debug flags is a clue - this code is fragile.
** Don't even think about messing with it unless you have
@@ -89,46 +85,13 @@
#define DBG_RES(x...)
#endif
-#if defined(CONFIG_64BIT)
-/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
-#define ZX1_SUPPORT
-#endif
-
#define SBA_INLINE __inline__
-
-/*
-** The number of pdir entries to "free" before issueing
-** 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 DEFAULT_DMA_HINT_REG 0
-#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
-
#define SBA_FUNC_ID 0x0000 /* function id */
#define SBA_FCLASS 0x0008 /* function class, bist, header, rev... */
-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 SBA_FUNC_SIZE 4096 /* SBA configuration function reg set */
#define ASTRO_IOC_OFFSET (32 * SBA_FUNC_SIZE)
@@ -145,10 +108,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
#define IOC_CTRL_D4 (1 << 11) /* Disable 4-byte coalescing */
#define IOC_CTRL_DD (1 << 13) /* Disable distr. LMMIO range coalescing */
-#define MAX_IOC 2 /* per Ike. Pluto/Astro only have 1. */
-
-#define ROPES_PER_IOC 8 /* per Ike half or Pluto/Astro */
-
/*
** Offsets into MBIB (Function 0 on Ike and hopefully Astro)
@@ -196,9 +155,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
#define IOC_TCNFG 0x318
#define IOC_PDIR_BASE 0x320
-/* AGP GART driver looks for this */
-#define SBA_IOMMU_COOKIE 0x0000badbadc0ffeeUL
-
/*
** IOC supports 4/8/16/64KB page sizes (see TCNFG register)
@@ -228,69 +184,6 @@ static inline int IS_PLUTO(struct parisc_device *d) {
#define SBA_PERF_CNT2 0x208
#define SBA_PERF_CNT3 0x210
-
-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];
-};
-
-
static struct sba_device *sba_list;
static unsigned long ioc_needs_fdc = 0;