diff options
| author | Kyle McMartin <kyle@parisc-linux.org> | 2006-08-24 21:33:40 -0400 |
|---|---|---|
| committer | Matthew Wilcox <willy@parisc-linux.org> | 2006-10-04 06:50:16 -0600 |
| commit | 08a6436816f7a16113c73be767ee8d50440e494e (patch) | |
| tree | 158c7aba479931fb8182905151fcd0258990b9bf /include/asm-parisc | |
| parent | 983daeec99f07fca0a8a9180ba1ca65bbd40c820 (diff) | |
| download | linux-3.10-08a6436816f7a16113c73be767ee8d50440e494e.tar.gz linux-3.10-08a6436816f7a16113c73be767ee8d50440e494e.tar.bz2 linux-3.10-08a6436816f7a16113c73be767ee8d50440e494e.zip | |
[PARISC] Add support for Quicksilver AGPGART
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'include/asm-parisc')
| -rw-r--r-- | include/asm-parisc/agp.h | 25 | ||||
| -rw-r--r-- | include/asm-parisc/ropes.h | 12 |
2 files changed, 37 insertions, 0 deletions
diff --git a/include/asm-parisc/agp.h b/include/asm-parisc/agp.h new file mode 100644 index 00000000000..9f61d4eb6c0 --- /dev/null +++ b/include/asm-parisc/agp.h @@ -0,0 +1,25 @@ +#ifndef _ASM_PARISC_AGP_H +#define _ASM_PARISC_AGP_H + +/* + * PARISC specific AGP definitions. + * Copyright (c) 2006 Kyle McMartin <kyle@parisc-linux.org> + * + */ + +#define map_page_into_agp(page) /* nothing */ +#define unmap_page_from_agp(page) /* nothing */ +#define flush_agp_mappings() /* nothing */ +#define flush_agp_cache() mb() + +/* Convert a physical address to an address suitable for the GART. */ +#define phys_to_gart(x) (x) +#define gart_to_phys(x) (x) + +/* GATT allocation. Returns/accepts GATT kernel virtual address. */ +#define alloc_gatt_pages(order) \ + ((char *)__get_free_pages(GFP_KERNEL, (order))) +#define free_gatt_pages(table, order) \ + free_pages((unsigned long)(table), (order)) + +#endif /* _ASM_PARISC_AGP_H */ diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h index 2e3de0ae04d..5542dd00472 100644 --- a/include/asm-parisc/ropes.h +++ b/include/asm-parisc/ropes.h @@ -1,6 +1,8 @@ #ifndef _ASM_PARISC_ROPES_H_ #define _ASM_PARISC_ROPES_H_ +#include <asm-parisc/parisc-device.h> + #ifdef CONFIG_64BIT /* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */ #define ZX1_SUPPORT @@ -231,6 +233,16 @@ 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. |