aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/include/asm
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-16 19:48:45 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-16 19:48:45 -0400
commit9c0d2a20fe331946c1a65a5865faf56e93255c5c (patch)
tree9d47a9239b6249a5dd4244195ec4cc1e55fda3cd /arch/arm/include/asm
parent5e6b83ed8c00f2e2ae5b2413c5907bed735b600d (diff)
parent66bfa2f03191aec2e2958414b1dfb80a56637133 (diff)
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm: (38 commits) [ARM] 5191/1: ARM: remove CVS keywords [ARM] pxafb: fix the warning of incorrect lccr when lcd_conn is specified [ARM] pxafb: add flag to specify output format on LDD pins when base is RGBT16 [ARM] pxafb: fix the incorrect configuration of GPIO77 as ACBIAS for TFT LCD [ARM] 5198/1: PalmTX: PCMCIA fixes [ARM] Fix a pile of broken watchdog drivers [ARM] update mach-types [ARM] 5196/1: fix inline asm constraints for preload [ARM] 5194/1: update .gitignore [ARM] add proc-macros.S include to proc-arm940 and proc-arm946 [ARM] 5192/1: ARM TLB: add v7wbi_{possible,always}_flags to {possible,always}_tlb_flags [ARM] 5193/1: Wire up missing syscalls [ARM] traps: don't call undef hook functions with spinlock held [ARM] 5183/2: Provide Poodle LoCoMo GPIO names [ARM] dma-mapping: provide sync_range APIs [ARM] dma-mapping: improve type-safeness of DMA translations [ARM] Kirkwood: instantiate the orion_spi driver in the platform code [ARM] prevent crashing when too much RAM installed [ARM] Kirkwood: Instantiate mv_xor driver [ARM] Orion: Instantiate mv_xor driver for 5182 ...
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/dma-mapping.h86
-rw-r--r--arch/arm/include/asm/memory.h22
-rw-r--r--arch/arm/include/asm/mtd-xip.h2
-rw-r--r--arch/arm/include/asm/processor.h4
-rw-r--r--arch/arm/include/asm/tlbflush.h7
-rw-r--r--arch/arm/include/asm/unistd.h6
6 files changed, 91 insertions, 36 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 45329fca1b64..7b95d2058395 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -3,11 +3,48 @@
3 3
4#ifdef __KERNEL__ 4#ifdef __KERNEL__
5 5
6#include <linux/mm.h> /* need struct page */ 6#include <linux/mm_types.h>
7
8#include <linux/scatterlist.h> 7#include <linux/scatterlist.h>
9 8
10#include <asm-generic/dma-coherent.h> 9#include <asm-generic/dma-coherent.h>
10#include <asm/memory.h>
11
12/*
13 * page_to_dma/dma_to_virt/virt_to_dma are architecture private functions
14 * used internally by the DMA-mapping API to provide DMA addresses. They
15 * must not be used by drivers.
16 */
17#ifndef __arch_page_to_dma
18static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
19{
20 return (dma_addr_t)__virt_to_bus((unsigned long)page_address(page));
21}
22
23static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
24{
25 return (void *)__bus_to_virt(addr);
26}
27
28static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
29{
30 return (dma_addr_t)__virt_to_bus((unsigned long)(addr));
31}
32#else
33static inline dma_addr_t page_to_dma(struct device *dev, struct page *page)
34{
35 return __arch_page_to_dma(dev, page);
36}
37
38static inline void *dma_to_virt(struct device *dev, dma_addr_t addr)
39{
40 return __arch_dma_to_virt(dev, addr);
41}
42
43static inline dma_addr_t virt_to_dma(struct device *dev, void *addr)
44{
45 return __arch_virt_to_dma(dev, addr);
46}
47#endif
11 48
12/* 49/*
13 * DMA-consistent mapping functions. These allocate/free a region of 50 * DMA-consistent mapping functions. These allocate/free a region of
@@ -169,7 +206,7 @@ dma_map_single(struct device *dev, void *cpu_addr, size_t size,
169 if (!arch_is_coherent()) 206 if (!arch_is_coherent())
170 dma_cache_maint(cpu_addr, size, dir); 207 dma_cache_maint(cpu_addr, size, dir);
171 208
172 return virt_to_dma(dev, (unsigned long)cpu_addr); 209 return virt_to_dma(dev, cpu_addr);
173} 210}
174#else 211#else
175extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction); 212extern dma_addr_t dma_map_single(struct device *,void *, size_t, enum dma_data_direction);
@@ -195,7 +232,7 @@ dma_map_page(struct device *dev, struct page *page,
195 unsigned long offset, size_t size, 232 unsigned long offset, size_t size,
196 enum dma_data_direction dir) 233 enum dma_data_direction dir)
197{ 234{
198 return dma_map_single(dev, page_address(page) + offset, size, (int)dir); 235 return dma_map_single(dev, page_address(page) + offset, size, dir);
199} 236}
200 237
201/** 238/**
@@ -241,7 +278,7 @@ static inline void
241dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size, 278dma_unmap_page(struct device *dev, dma_addr_t handle, size_t size,
242 enum dma_data_direction dir) 279 enum dma_data_direction dir)
243{ 280{
244 dma_unmap_single(dev, handle, size, (int)dir); 281 dma_unmap_single(dev, handle, size, dir);
245} 282}
246 283
247/** 284/**
@@ -314,11 +351,12 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
314 351
315 352
316/** 353/**
317 * dma_sync_single_for_cpu 354 * dma_sync_single_range_for_cpu
318 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices 355 * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
319 * @handle: DMA address of buffer 356 * @handle: DMA address of buffer
320 * @size: size of buffer to map 357 * @offset: offset of region to start sync
321 * @dir: DMA transfer direction 358 * @size: size of region to sync
359 * @dir: DMA transfer direction (same as passed to dma_map_single)
322 * 360 *
323 * Make physical memory consistent for a single streaming mode DMA 361 * Make physical memory consistent for a single streaming mode DMA
324 * translation after a transfer. 362 * translation after a transfer.
@@ -332,25 +370,41 @@ extern void dma_unmap_sg(struct device *, struct scatterlist *, int, enum dma_da
332 */ 370 */
333#ifndef CONFIG_DMABOUNCE 371#ifndef CONFIG_DMABOUNCE
334static inline void 372static inline void
335dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, 373dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle,
336 enum dma_data_direction dir) 374 unsigned long offset, size_t size,
375 enum dma_data_direction dir)
337{ 376{
338 if (!arch_is_coherent()) 377 if (!arch_is_coherent())
339 dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir); 378 dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
340} 379}
341 380
342static inline void 381static inline void
343dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size, 382dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle,
344 enum dma_data_direction dir) 383 unsigned long offset, size_t size,
384 enum dma_data_direction dir)
345{ 385{
346 if (!arch_is_coherent()) 386 if (!arch_is_coherent())
347 dma_cache_maint((void *)dma_to_virt(dev, handle), size, dir); 387 dma_cache_maint(dma_to_virt(dev, handle) + offset, size, dir);
348} 388}
349#else 389#else
350extern void dma_sync_single_for_cpu(struct device*, dma_addr_t, size_t, enum dma_data_direction); 390extern void dma_sync_single_range_for_cpu(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
351extern void dma_sync_single_for_device(struct device*, dma_addr_t, size_t, enum dma_data_direction); 391extern void dma_sync_single_range_for_device(struct device *, dma_addr_t, unsigned long, size_t, enum dma_data_direction);
352#endif 392#endif
353 393
394static inline void
395dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
396 enum dma_data_direction dir)
397{
398 dma_sync_single_range_for_cpu(dev, handle, 0, size, dir);
399}
400
401static inline void
402dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
403 enum dma_data_direction dir)
404{
405 dma_sync_single_range_for_device(dev, handle, 0, size, dir);
406}
407
354 408
355/** 409/**
356 * dma_sync_sg_for_cpu 410 * dma_sync_sg_for_cpu
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 1e070a2b561a..bf7c737c9226 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -150,6 +150,14 @@
150#endif 150#endif
151 151
152/* 152/*
153 * Amount of memory reserved for the vmalloc() area, and minimum
154 * address for vmalloc mappings.
155 */
156extern unsigned long vmalloc_reserve;
157
158#define VMALLOC_MIN (void *)(VMALLOC_END - vmalloc_reserve)
159
160/*
153 * PFNs are used to describe any physical page; this means 161 * PFNs are used to describe any physical page; this means
154 * PFN 0 == physical address 0. 162 * PFN 0 == physical address 0.
155 * 163 *
@@ -306,20 +314,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
306#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) 314#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)
307 315
308/* 316/*
309 * Optional device DMA address remapping. Do _not_ use directly!
310 * We should really eliminate virt_to_bus() here - it's deprecated.
311 */
312#ifndef __arch_page_to_dma
313#define page_to_dma(dev, page) ((dma_addr_t)__virt_to_bus((unsigned long)page_address(page)))
314#define dma_to_virt(dev, addr) ((void *)__bus_to_virt(addr))
315#define virt_to_dma(dev, addr) ((dma_addr_t)__virt_to_bus((unsigned long)(addr)))
316#else
317#define page_to_dma(dev, page) (__arch_page_to_dma(dev, page))
318#define dma_to_virt(dev, addr) (__arch_dma_to_virt(dev, addr))
319#define virt_to_dma(dev, addr) (__arch_virt_to_dma(dev, addr))
320#endif
321
322/*
323 * Optional coherency support. Currently used only by selected 317 * Optional coherency support. Currently used only by selected
324 * Intel XSC3-based systems. 318 * Intel XSC3-based systems.
325 */ 319 */
diff --git a/arch/arm/include/asm/mtd-xip.h b/arch/arm/include/asm/mtd-xip.h
index 4225372a26f3..d8fbe2d9b8b9 100644
--- a/arch/arm/include/asm/mtd-xip.h
+++ b/arch/arm/include/asm/mtd-xip.h
@@ -10,8 +10,6 @@
10 * This program is free software; you can redistribute it and/or modify 10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as 11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation. 12 * published by the Free Software Foundation.
13 *
14 * $Id: xip.h,v 1.2 2004/12/01 15:49:10 nico Exp $
15 */ 13 */
16 14
17#ifndef __ARM_MTD_XIP_H__ 15#ifndef __ARM_MTD_XIP_H__
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index b01d5e7e3d5a..517a4d6ffc74 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -112,9 +112,9 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
112static inline void prefetch(const void *ptr) 112static inline void prefetch(const void *ptr)
113{ 113{
114 __asm__ __volatile__( 114 __asm__ __volatile__(
115 "pld\t%0" 115 "pld\t%a0"
116 : 116 :
117 : "o" (*(char *)ptr) 117 : "p" (ptr)
118 : "cc"); 118 : "cc");
119} 119}
120 120
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 0d0d40f1b599..b543a054a17e 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -54,6 +54,7 @@
54 * v4wbi - ARMv4 with write buffer with I TLB flush entry instruction 54 * v4wbi - ARMv4 with write buffer with I TLB flush entry instruction
55 * fr - Feroceon (v4wbi with non-outer-cacheable page table walks) 55 * fr - Feroceon (v4wbi with non-outer-cacheable page table walks)
56 * v6wbi - ARMv6 with write buffer with I TLB flush entry instruction 56 * v6wbi - ARMv6 with write buffer with I TLB flush entry instruction
57 * v7wbi - identical to v6wbi
57 */ 58 */
58#undef _TLB 59#undef _TLB
59#undef MULTI_TLB 60#undef MULTI_TLB
@@ -266,14 +267,16 @@ extern struct cpu_tlb_fns cpu_tlb;
266 v4wbi_possible_flags | \ 267 v4wbi_possible_flags | \
267 fr_possible_flags | \ 268 fr_possible_flags | \
268 v4wb_possible_flags | \ 269 v4wb_possible_flags | \
269 v6wbi_possible_flags) 270 v6wbi_possible_flags | \
271 v7wbi_possible_flags)
270 272
271#define always_tlb_flags (v3_always_flags & \ 273#define always_tlb_flags (v3_always_flags & \
272 v4_always_flags & \ 274 v4_always_flags & \
273 v4wbi_always_flags & \ 275 v4wbi_always_flags & \
274 fr_always_flags & \ 276 fr_always_flags & \
275 v4wb_always_flags & \ 277 v4wb_always_flags & \
276 v6wbi_always_flags) 278 v6wbi_always_flags & \
279 v7wbi_always_flags)
277 280
278#define tlb_flag(f) ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f))) 281#define tlb_flag(f) ((always_tlb_flags & (f)) || (__tlb_flag & possible_tlb_flags & (f)))
279 282
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index f95fbb2fcb5f..010618487cf1 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -381,6 +381,12 @@
381#define __NR_fallocate (__NR_SYSCALL_BASE+352) 381#define __NR_fallocate (__NR_SYSCALL_BASE+352)
382#define __NR_timerfd_settime (__NR_SYSCALL_BASE+353) 382#define __NR_timerfd_settime (__NR_SYSCALL_BASE+353)
383#define __NR_timerfd_gettime (__NR_SYSCALL_BASE+354) 383#define __NR_timerfd_gettime (__NR_SYSCALL_BASE+354)
384#define __NR_signalfd4 (__NR_SYSCALL_BASE+355)
385#define __NR_eventfd2 (__NR_SYSCALL_BASE+356)
386#define __NR_epoll_create1 (__NR_SYSCALL_BASE+357)
387#define __NR_dup3 (__NR_SYSCALL_BASE+358)
388#define __NR_pipe2 (__NR_SYSCALL_BASE+359)
389#define __NR_inotify_init1 (__NR_SYSCALL_BASE+360)
384 390
385/* 391/*
386 * The following SWIs are ARM private. 392 * The following SWIs are ARM private.