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authorKyle McMartin <kyle@parisc-linux.org>2006-08-24 21:33:40 -0400
committerMatthew Wilcox <willy@parisc-linux.org>2006-10-04 08:50:16 -0400
commit08a6436816f7a16113c73be767ee8d50440e494e (patch)
tree158c7aba479931fb8182905151fcd0258990b9bf /include
parent983daeec99f07fca0a8a9180ba1ca65bbd40c820 (diff)
[PARISC] Add support for Quicksilver AGPGART
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-parisc/agp.h25
-rw-r--r--include/asm-parisc/ropes.h12
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 000000000000..9f61d4eb6c01
--- /dev/null
+++ b/include/asm-parisc/agp.h
@@ -0,0 +1,25 @@
1#ifndef _ASM_PARISC_AGP_H
2#define _ASM_PARISC_AGP_H
3
4/*
5 * PARISC specific AGP definitions.
6 * Copyright (c) 2006 Kyle McMartin <kyle@parisc-linux.org>
7 *
8 */
9
10#define map_page_into_agp(page) /* nothing */
11#define unmap_page_from_agp(page) /* nothing */
12#define flush_agp_mappings() /* nothing */
13#define flush_agp_cache() mb()
14
15/* Convert a physical address to an address suitable for the GART. */
16#define phys_to_gart(x) (x)
17#define gart_to_phys(x) (x)
18
19/* GATT allocation. Returns/accepts GATT kernel virtual address. */
20#define alloc_gatt_pages(order) \
21 ((char *)__get_free_pages(GFP_KERNEL, (order)))
22#define free_gatt_pages(table, order) \
23 free_pages((unsigned long)(table), (order))
24
25#endif /* _ASM_PARISC_AGP_H */
diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h
index 2e3de0ae04d1..5542dd00472b 100644
--- a/include/asm-parisc/ropes.h
+++ b/include/asm-parisc/ropes.h
@@ -1,6 +1,8 @@
1#ifndef _ASM_PARISC_ROPES_H_ 1#ifndef _ASM_PARISC_ROPES_H_
2#define _ASM_PARISC_ROPES_H_ 2#define _ASM_PARISC_ROPES_H_
3 3
4#include <asm-parisc/parisc-device.h>
5
4#ifdef CONFIG_64BIT 6#ifdef CONFIG_64BIT
5/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */ 7/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
6#define ZX1_SUPPORT 8#define ZX1_SUPPORT
@@ -231,6 +233,16 @@ static inline int IS_QUICKSILVER(struct parisc_device *d) {
231 return (d->id.hversion == QUICKSILVER_HVERS); 233 return (d->id.hversion == QUICKSILVER_HVERS);
232} 234}
233 235
236static inline int agp_mode_mercury(void __iomem *hpa) {
237 u64 bus_mode;
238
239 bus_mode = readl(hpa + 0x0620);
240 if (bus_mode & 1)
241 return 1;
242
243 return 0;
244}
245
234/* 246/*
235** I/O SAPIC init function 247** I/O SAPIC init function
236** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC. 248** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC.