diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-20 14:37:49 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-20 14:37:49 -0400 |
commit | 91b90475e793e84a57d956af8c52645e292badcb (patch) | |
tree | 8de670e02f99a2a2bde82384104dcb8cb09cdadf | |
parent | bcc408b75b707f46da1f81058ffa3c9df6f0170f (diff) | |
parent | f0ffeddc897a5cc5d5c6cc1b99a8799a8b34b28f (diff) |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
54 files changed, 1705 insertions, 496 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 475950c8a831..ee8a9ad7bbd9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
@@ -67,10 +67,6 @@ config GENERIC_BUST_SPINLOCK | |||
67 | config GENERIC_ISA_DMA | 67 | config GENERIC_ISA_DMA |
68 | bool | 68 | bool |
69 | 69 | ||
70 | config GENERIC_IOMAP | ||
71 | bool | ||
72 | default y | ||
73 | |||
74 | config FIQ | 70 | config FIQ |
75 | bool | 71 | bool |
76 | 72 | ||
@@ -202,6 +198,11 @@ config ARCH_H720X | |||
202 | help | 198 | help |
203 | This enables support for systems based on the Hynix HMS720x | 199 | This enables support for systems based on the Hynix HMS720x |
204 | 200 | ||
201 | config ARCH_AAEC2000 | ||
202 | bool "Agilent AAEC-2000 based" | ||
203 | help | ||
204 | This enables support for systems based on the Agilent AAEC-2000 | ||
205 | |||
205 | endchoice | 206 | endchoice |
206 | 207 | ||
207 | source "arch/arm/mach-clps711x/Kconfig" | 208 | source "arch/arm/mach-clps711x/Kconfig" |
@@ -234,6 +235,8 @@ source "arch/arm/mach-h720x/Kconfig" | |||
234 | 235 | ||
235 | source "arch/arm/mach-versatile/Kconfig" | 236 | source "arch/arm/mach-versatile/Kconfig" |
236 | 237 | ||
238 | source "arch/arm/mach-aaec2000/Kconfig" | ||
239 | |||
237 | # Definitions to make life easier | 240 | # Definitions to make life easier |
238 | config ARCH_ACORN | 241 | config ARCH_ACORN |
239 | bool | 242 | bool |
@@ -277,7 +280,7 @@ config ISA_DMA_API | |||
277 | default y | 280 | default y |
278 | 281 | ||
279 | config PCI | 282 | config PCI |
280 | bool "PCI support" if ARCH_INTEGRATOR_AP | 283 | bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB |
281 | help | 284 | help |
282 | Find out whether you have a PCI motherboard. PCI is the name of a | 285 | Find out whether you have a PCI motherboard. PCI is the name of a |
283 | bus system, i.e. the way the CPU talks to the other stuff inside | 286 | bus system, i.e. the way the CPU talks to the other stuff inside |
diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 2277e3d179cc..8330495e2448 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile | |||
@@ -97,6 +97,7 @@ textaddr-$(CONFIG_ARCH_FORTUNET) := 0xc0008000 | |||
97 | machine-$(CONFIG_ARCH_VERSATILE) := versatile | 97 | machine-$(CONFIG_ARCH_VERSATILE) := versatile |
98 | machine-$(CONFIG_ARCH_IMX) := imx | 98 | machine-$(CONFIG_ARCH_IMX) := imx |
99 | machine-$(CONFIG_ARCH_H720X) := h720x | 99 | machine-$(CONFIG_ARCH_H720X) := h720x |
100 | machine-$(CONFIG_ARCH_AAEC2000) := aaec2000 | ||
100 | 101 | ||
101 | ifeq ($(CONFIG_ARCH_EBSA110),y) | 102 | ifeq ($(CONFIG_ARCH_EBSA110),y) |
102 | # This is what happens if you forget the IOCS16 line. | 103 | # This is what happens if you forget the IOCS16 line. |
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 5797b1b100a1..9d63a01214eb 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c | |||
@@ -30,6 +30,8 @@ | |||
30 | #include <linux/dmapool.h> | 30 | #include <linux/dmapool.h> |
31 | #include <linux/list.h> | 31 | #include <linux/list.h> |
32 | 32 | ||
33 | #include <asm/cacheflush.h> | ||
34 | |||
33 | #undef DEBUG | 35 | #undef DEBUG |
34 | 36 | ||
35 | #undef STATS | 37 | #undef STATS |
@@ -302,12 +304,24 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, | |||
302 | 304 | ||
303 | DO_STATS ( device_info->bounce_count++ ); | 305 | DO_STATS ( device_info->bounce_count++ ); |
304 | 306 | ||
305 | if ((dir == DMA_FROM_DEVICE) || | 307 | if (dir == DMA_FROM_DEVICE || dir == DMA_BIDIRECTIONAL) { |
306 | (dir == DMA_BIDIRECTIONAL)) { | 308 | unsigned long ptr; |
309 | |||
307 | dev_dbg(dev, | 310 | dev_dbg(dev, |
308 | "%s: copy back safe %p to unsafe %p size %d\n", | 311 | "%s: copy back safe %p to unsafe %p size %d\n", |
309 | __func__, buf->safe, buf->ptr, size); | 312 | __func__, buf->safe, buf->ptr, size); |
310 | memcpy(buf->ptr, buf->safe, size); | 313 | memcpy(buf->ptr, buf->safe, size); |
314 | |||
315 | /* | ||
316 | * DMA buffers must have the same cache properties | ||
317 | * as if they were really used for DMA - which means | ||
318 | * data must be written back to RAM. Note that | ||
319 | * we don't use dmac_flush_range() here for the | ||
320 | * bidirectional case because we know the cache | ||
321 | * lines will be coherent with the data written. | ||
322 | */ | ||
323 | ptr = (unsigned long)buf->ptr; | ||
324 | dmac_clean_range(ptr, ptr + size); | ||
311 | } | 325 | } |
312 | free_safe_buffer(device_info, buf); | 326 | free_safe_buffer(device_info, buf); |
313 | } | 327 | } |
diff --git a/arch/arm/common/sharpsl_param.c b/arch/arm/common/sharpsl_param.c index c2c557a224c2..c94864c5b1af 100644 --- a/arch/arm/common/sharpsl_param.c +++ b/arch/arm/common/sharpsl_param.c | |||
@@ -22,7 +22,7 @@ | |||
22 | * them early in the boot process, then pass them to the appropriate drivers. | 22 | * them early in the boot process, then pass them to the appropriate drivers. |
23 | * Not all devices use all paramaters but the format is common to all. | 23 | * Not all devices use all paramaters but the format is common to all. |
24 | */ | 24 | */ |
25 | #ifdef ARCH_SA1100 | 25 | #ifdef CONFIG_ARCH_SA1100 |
26 | #define PARAM_BASE 0xe8ffc000 | 26 | #define PARAM_BASE 0xe8ffc000 |
27 | #else | 27 | #else |
28 | #define PARAM_BASE 0xa0000a00 | 28 | #define PARAM_BASE 0xa0000a00 |
diff --git a/arch/arm/configs/enp2611_defconfig b/arch/arm/configs/enp2611_defconfig index e8f9fccffe84..06fae4b62774 100644 --- a/arch/arm/configs/enp2611_defconfig +++ b/arch/arm/configs/enp2611_defconfig | |||
@@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 | |||
50 | # | 50 | # |
51 | # Loadable module support | 51 | # Loadable module support |
52 | # | 52 | # |
53 | # CONFIG_MODULES is not set | 53 | CONFIG_MODULES=y |
54 | CONFIG_MODULE_UNLOAD=y | ||
55 | # CONFIG_MODULE_FORCE_UNLOAD is not set | ||
56 | CONFIG_OBSOLETE_MODPARM=y | ||
57 | # CONFIG_MODVERSIONS is not set | ||
58 | # CONFIG_MODULE_SRCVERSION_ALL is not set | ||
59 | CONFIG_KMOD=y | ||
54 | 60 | ||
55 | # | 61 | # |
56 | # System Type | 62 | # System Type |
diff --git a/arch/arm/configs/ixdp2400_defconfig b/arch/arm/configs/ixdp2400_defconfig index 4fd663ecbe39..810a450a55d2 100644 --- a/arch/arm/configs/ixdp2400_defconfig +++ b/arch/arm/configs/ixdp2400_defconfig | |||
@@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 | |||
50 | # | 50 | # |
51 | # Loadable module support | 51 | # Loadable module support |
52 | # | 52 | # |
53 | # CONFIG_MODULES is not set | 53 | CONFIG_MODULES=y |
54 | CONFIG_MODULE_UNLOAD=y | ||
55 | # CONFIG_MODULE_FORCE_UNLOAD is not set | ||
56 | CONFIG_OBSOLETE_MODPARM=y | ||
57 | # CONFIG_MODVERSIONS is not set | ||
58 | # CONFIG_MODULE_SRCVERSION_ALL is not set | ||
59 | CONFIG_KMOD=y | ||
54 | 60 | ||
55 | # | 61 | # |
56 | # System Type | 62 | # System Type |
diff --git a/arch/arm/configs/ixdp2401_defconfig b/arch/arm/configs/ixdp2401_defconfig index 6f51c98084a3..72e1b940e975 100644 --- a/arch/arm/configs/ixdp2401_defconfig +++ b/arch/arm/configs/ixdp2401_defconfig | |||
@@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 | |||
50 | # | 50 | # |
51 | # Loadable module support | 51 | # Loadable module support |
52 | # | 52 | # |
53 | # CONFIG_MODULES is not set | 53 | CONFIG_MODULES=y |
54 | CONFIG_MODULE_UNLOAD=y | ||
55 | # CONFIG_MODULE_FORCE_UNLOAD is not set | ||
56 | CONFIG_OBSOLETE_MODPARM=y | ||
57 | # CONFIG_MODVERSIONS is not set | ||
58 | # CONFIG_MODULE_SRCVERSION_ALL is not set | ||
59 | CONFIG_KMOD=y | ||
54 | 60 | ||
55 | # | 61 | # |
56 | # System Type | 62 | # System Type |
diff --git a/arch/arm/configs/ixdp2800_defconfig b/arch/arm/configs/ixdp2800_defconfig index 7be3521f91fc..1592e45f0278 100644 --- a/arch/arm/configs/ixdp2800_defconfig +++ b/arch/arm/configs/ixdp2800_defconfig | |||
@@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 | |||
50 | # | 50 | # |
51 | # Loadable module support | 51 | # Loadable module support |
52 | # | 52 | # |
53 | # CONFIG_MODULES is not set | 53 | CONFIG_MODULES=y |
54 | CONFIG_MODULE_UNLOAD=y | ||
55 | # CONFIG_MODULE_FORCE_UNLOAD is not set | ||
56 | CONFIG_OBSOLETE_MODPARM=y | ||
57 | # CONFIG_MODVERSIONS is not set | ||
58 | # CONFIG_MODULE_SRCVERSION_ALL is not set | ||
59 | CONFIG_KMOD=y | ||
54 | 60 | ||
55 | # | 61 | # |
56 | # System Type | 62 | # System Type |
diff --git a/arch/arm/configs/ixdp2801_defconfig b/arch/arm/configs/ixdp2801_defconfig index cd84a20f30f1..f1afe3d09ec6 100644 --- a/arch/arm/configs/ixdp2801_defconfig +++ b/arch/arm/configs/ixdp2801_defconfig | |||
@@ -50,7 +50,13 @@ CONFIG_BASE_SMALL=0 | |||
50 | # | 50 | # |
51 | # Loadable module support | 51 | # Loadable module support |
52 | # | 52 | # |
53 | # CONFIG_MODULES is not set | 53 | CONFIG_MODULES=y |
54 | CONFIG_MODULE_UNLOAD=y | ||
55 | # CONFIG_MODULE_FORCE_UNLOAD is not set | ||
56 | CONFIG_OBSOLETE_MODPARM=y | ||
57 | # CONFIG_MODVERSIONS is not set | ||
58 | # CONFIG_MODULE_SRCVERSION_ALL is not set | ||
59 | CONFIG_KMOD=y | ||
54 | 60 | ||
55 | # | 61 | # |
56 | # System Type | 62 | # System Type |
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile index 4a2af55e134b..3e1b0327e4d7 100644 --- a/arch/arm/kernel/Makefile +++ b/arch/arm/kernel/Makefile | |||
@@ -6,7 +6,7 @@ AFLAGS_head.o := -DTEXTADDR=$(TEXTADDR) -DDATAADDR=$(DATAADDR) | |||
6 | 6 | ||
7 | # Object file lists. | 7 | # Object file lists. |
8 | 8 | ||
9 | obj-y := arch.o compat.o dma.o entry-armv.o entry-common.o irq.o \ | 9 | obj-y := compat.o dma.o entry-armv.o entry-common.o irq.o \ |
10 | process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \ | 10 | process.o ptrace.o semaphore.o setup.o signal.o sys_arm.o \ |
11 | time.o traps.o | 11 | time.o traps.o |
12 | 12 | ||
diff --git a/arch/arm/kernel/arch.c b/arch/arm/kernel/arch.c deleted file mode 100644 index 4e02fbeb10a6..000000000000 --- a/arch/arm/kernel/arch.c +++ /dev/null | |||
@@ -1,46 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/kernel/arch.c | ||
3 | * | ||
4 | * Architecture specific fixups. | ||
5 | */ | ||
6 | #include <linux/config.h> | ||
7 | #include <linux/init.h> | ||
8 | #include <linux/types.h> | ||
9 | |||
10 | #include <asm/elf.h> | ||
11 | #include <asm/page.h> | ||
12 | #include <asm/setup.h> | ||
13 | #include <asm/mach/arch.h> | ||
14 | |||
15 | unsigned int vram_size; | ||
16 | |||
17 | #ifdef CONFIG_ARCH_ACORN | ||
18 | |||
19 | unsigned int memc_ctrl_reg; | ||
20 | unsigned int number_mfm_drives; | ||
21 | |||
22 | static int __init parse_tag_acorn(const struct tag *tag) | ||
23 | { | ||
24 | memc_ctrl_reg = tag->u.acorn.memc_control_reg; | ||
25 | number_mfm_drives = tag->u.acorn.adfsdrives; | ||
26 | |||
27 | switch (tag->u.acorn.vram_pages) { | ||
28 | case 512: | ||
29 | vram_size += PAGE_SIZE * 256; | ||
30 | case 256: | ||
31 | vram_size += PAGE_SIZE * 256; | ||
32 | default: | ||
33 | break; | ||
34 | } | ||
35 | #if 0 | ||
36 | if (vram_size) { | ||
37 | desc->video_start = 0x02000000; | ||
38 | desc->video_end = 0x02000000 + vram_size; | ||
39 | } | ||
40 | #endif | ||
41 | return 0; | ||
42 | } | ||
43 | |||
44 | __tagtable(ATAG_ACORN, parse_tag_acorn); | ||
45 | |||
46 | #endif | ||
diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c index 130f5a839669..b62875cfd8f8 100644 --- a/arch/arm/lib/ashldi3.c +++ b/arch/arm/lib/ashldi3.c | |||
@@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ | |||
31 | 31 | ||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | 33 | ||
34 | DItype | 34 | s64 __ashldi3(s64 u, int b) |
35 | __ashldi3 (DItype u, word_type b) | ||
36 | { | 35 | { |
37 | DIunion w; | 36 | DIunion w; |
38 | word_type bm; | 37 | int bm; |
39 | DIunion uu; | 38 | DIunion uu; |
40 | 39 | ||
41 | if (b == 0) | 40 | if (b == 0) |
42 | return u; | 41 | return u; |
43 | 42 | ||
44 | uu.ll = u; | 43 | uu.ll = u; |
45 | 44 | ||
46 | bm = (sizeof (SItype) * BITS_PER_UNIT) - b; | 45 | bm = (sizeof(s32) * BITS_PER_UNIT) - b; |
47 | if (bm <= 0) | 46 | if (bm <= 0) { |
48 | { | 47 | w.s.low = 0; |
49 | w.s.low = 0; | 48 | w.s.high = (u32) uu.s.low << -bm; |
50 | w.s.high = (USItype)uu.s.low << -bm; | 49 | } else { |
51 | } | 50 | u32 carries = (u32) uu.s.low >> bm; |
52 | else | 51 | w.s.low = (u32) uu.s.low << b; |
53 | { | 52 | w.s.high = ((u32) uu.s.high << b) | carries; |
54 | USItype carries = (USItype)uu.s.low >> bm; | 53 | } |
55 | w.s.low = (USItype)uu.s.low << b; | 54 | |
56 | w.s.high = ((USItype)uu.s.high << b) | carries; | 55 | return w.ll; |
57 | } | ||
58 | |||
59 | return w.ll; | ||
60 | } | 56 | } |
61 | |||
diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c index 71625d218f8d..9a8600a7543f 100644 --- a/arch/arm/lib/ashrdi3.c +++ b/arch/arm/lib/ashrdi3.c | |||
@@ -31,31 +31,27 @@ Boston, MA 02111-1307, USA. */ | |||
31 | 31 | ||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | 33 | ||
34 | DItype | 34 | s64 __ashrdi3(s64 u, int b) |
35 | __ashrdi3 (DItype u, word_type b) | ||
36 | { | 35 | { |
37 | DIunion w; | 36 | DIunion w; |
38 | word_type bm; | 37 | int bm; |
39 | DIunion uu; | 38 | DIunion uu; |
40 | 39 | ||
41 | if (b == 0) | 40 | if (b == 0) |
42 | return u; | 41 | return u; |
43 | 42 | ||
44 | uu.ll = u; | 43 | uu.ll = u; |
45 | 44 | ||
46 | bm = (sizeof (SItype) * BITS_PER_UNIT) - b; | 45 | bm = (sizeof(s32) * BITS_PER_UNIT) - b; |
47 | if (bm <= 0) | 46 | if (bm <= 0) { |
48 | { | 47 | /* w.s.high = 1..1 or 0..0 */ |
49 | /* w.s.high = 1..1 or 0..0 */ | 48 | w.s.high = uu.s.high >> (sizeof(s32) * BITS_PER_UNIT - 1); |
50 | w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1); | 49 | w.s.low = uu.s.high >> -bm; |
51 | w.s.low = uu.s.high >> -bm; | 50 | } else { |
52 | } | 51 | u32 carries = (u32) uu.s.high << bm; |
53 | else | 52 | w.s.high = uu.s.high >> b; |
54 | { | 53 | w.s.low = ((u32) uu.s.low >> b) | carries; |
55 | USItype carries = (USItype)uu.s.high << bm; | 54 | } |
56 | w.s.high = uu.s.high >> b; | 55 | |
57 | w.s.low = ((USItype)uu.s.low >> b) | carries; | 56 | return w.ll; |
58 | } | ||
59 | |||
60 | return w.ll; | ||
61 | } | 57 | } |
diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h index 65314a3d9e27..8b6dcc656de7 100644 --- a/arch/arm/lib/gcclib.h +++ b/arch/arm/lib/gcclib.h | |||
@@ -1,25 +1,22 @@ | |||
1 | /* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */ | 1 | /* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */ |
2 | /* I Molton 29/07/01 */ | 2 | /* I Molton 29/07/01 */ |
3 | 3 | ||
4 | #define BITS_PER_UNIT 8 | 4 | #include <linux/types.h> |
5 | #define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT) | ||
6 | 5 | ||
7 | typedef unsigned int UQItype __attribute__ ((mode (QI))); | 6 | #define BITS_PER_UNIT 8 |
8 | typedef int SItype __attribute__ ((mode (SI))); | 7 | #define SI_TYPE_SIZE (sizeof(s32) * BITS_PER_UNIT) |
9 | typedef unsigned int USItype __attribute__ ((mode (SI))); | ||
10 | typedef int DItype __attribute__ ((mode (DI))); | ||
11 | typedef int word_type __attribute__ ((mode (__word__))); | ||
12 | typedef unsigned int UDItype __attribute__ ((mode (DI))); | ||
13 | 8 | ||
14 | #ifdef __ARMEB__ | 9 | #ifdef __ARMEB__ |
15 | struct DIstruct {SItype high, low;}; | 10 | struct DIstruct { |
11 | s32 high, low; | ||
12 | }; | ||
16 | #else | 13 | #else |
17 | struct DIstruct {SItype low, high;}; | 14 | struct DIstruct { |
15 | s32 low, high; | ||
16 | }; | ||
18 | #endif | 17 | #endif |
19 | 18 | ||
20 | typedef union | 19 | typedef union { |
21 | { | 20 | struct DIstruct s; |
22 | struct DIstruct s; | 21 | s64 ll; |
23 | DItype ll; | ||
24 | } DIunion; | 22 | } DIunion; |
25 | |||
diff --git a/arch/arm/lib/longlong.h b/arch/arm/lib/longlong.h index 179eea4edc35..90ae647e4d76 100644 --- a/arch/arm/lib/longlong.h +++ b/arch/arm/lib/longlong.h | |||
@@ -26,18 +26,18 @@ | |||
26 | 26 | ||
27 | #define __BITS4 (SI_TYPE_SIZE / 4) | 27 | #define __BITS4 (SI_TYPE_SIZE / 4) |
28 | #define __ll_B (1L << (SI_TYPE_SIZE / 2)) | 28 | #define __ll_B (1L << (SI_TYPE_SIZE / 2)) |
29 | #define __ll_lowpart(t) ((USItype) (t) % __ll_B) | 29 | #define __ll_lowpart(t) ((u32) (t) % __ll_B) |
30 | #define __ll_highpart(t) ((USItype) (t) / __ll_B) | 30 | #define __ll_highpart(t) ((u32) (t) / __ll_B) |
31 | 31 | ||
32 | /* Define auxiliary asm macros. | 32 | /* Define auxiliary asm macros. |
33 | 33 | ||
34 | 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) | 34 | 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) |
35 | multiplies two USItype integers MULTIPLER and MULTIPLICAND, | 35 | multiplies two u32 integers MULTIPLER and MULTIPLICAND, |
36 | and generates a two-part USItype product in HIGH_PROD and | 36 | and generates a two-part u32 product in HIGH_PROD and |
37 | LOW_PROD. | 37 | LOW_PROD. |
38 | 38 | ||
39 | 2) __umulsidi3(a,b) multiplies two USItype integers A and B, | 39 | 2) __umulsidi3(a,b) multiplies two u32 integers A and B, |
40 | and returns a UDItype product. This is just a variant of umul_ppmm. | 40 | and returns a u64 product. This is just a variant of umul_ppmm. |
41 | 41 | ||
42 | 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, | 42 | 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, |
43 | denominator) divides a two-word unsigned integer, composed by the | 43 | denominator) divides a two-word unsigned integer, composed by the |
@@ -77,23 +77,23 @@ | |||
77 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ | 77 | #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ |
78 | __asm__ ("adds %1, %4, %5 \n\ | 78 | __asm__ ("adds %1, %4, %5 \n\ |
79 | adc %0, %2, %3" \ | 79 | adc %0, %2, %3" \ |
80 | : "=r" ((USItype) (sh)), \ | 80 | : "=r" ((u32) (sh)), \ |
81 | "=&r" ((USItype) (sl)) \ | 81 | "=&r" ((u32) (sl)) \ |
82 | : "%r" ((USItype) (ah)), \ | 82 | : "%r" ((u32) (ah)), \ |
83 | "rI" ((USItype) (bh)), \ | 83 | "rI" ((u32) (bh)), \ |
84 | "%r" ((USItype) (al)), \ | 84 | "%r" ((u32) (al)), \ |
85 | "rI" ((USItype) (bl))) | 85 | "rI" ((u32) (bl))) |
86 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ | 86 | #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ |
87 | __asm__ ("subs %1, %4, %5 \n\ | 87 | __asm__ ("subs %1, %4, %5 \n\ |
88 | sbc %0, %2, %3" \ | 88 | sbc %0, %2, %3" \ |
89 | : "=r" ((USItype) (sh)), \ | 89 | : "=r" ((u32) (sh)), \ |
90 | "=&r" ((USItype) (sl)) \ | 90 | "=&r" ((u32) (sl)) \ |
91 | : "r" ((USItype) (ah)), \ | 91 | : "r" ((u32) (ah)), \ |
92 | "rI" ((USItype) (bh)), \ | 92 | "rI" ((u32) (bh)), \ |
93 | "r" ((USItype) (al)), \ | 93 | "r" ((u32) (al)), \ |
94 | "rI" ((USItype) (bl))) | 94 | "rI" ((u32) (bl))) |
95 | #define umul_ppmm(xh, xl, a, b) \ | 95 | #define umul_ppmm(xh, xl, a, b) \ |
96 | {register USItype __t0, __t1, __t2; \ | 96 | {register u32 __t0, __t1, __t2; \ |
97 | __asm__ ("%@ Inlined umul_ppmm \n\ | 97 | __asm__ ("%@ Inlined umul_ppmm \n\ |
98 | mov %2, %5, lsr #16 \n\ | 98 | mov %2, %5, lsr #16 \n\ |
99 | mov %0, %6, lsr #16 \n\ | 99 | mov %0, %6, lsr #16 \n\ |
@@ -107,14 +107,14 @@ | |||
107 | addcs %0, %0, #65536 \n\ | 107 | addcs %0, %0, #65536 \n\ |
108 | adds %1, %1, %3, lsl #16 \n\ | 108 | adds %1, %1, %3, lsl #16 \n\ |
109 | adc %0, %0, %3, lsr #16" \ | 109 | adc %0, %0, %3, lsr #16" \ |
110 | : "=&r" ((USItype) (xh)), \ | 110 | : "=&r" ((u32) (xh)), \ |
111 | "=r" ((USItype) (xl)), \ | 111 | "=r" ((u32) (xl)), \ |
112 | "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ | 112 | "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ |
113 | : "r" ((USItype) (a)), \ | 113 | : "r" ((u32) (a)), \ |
114 | "r" ((USItype) (b)));} | 114 | "r" ((u32) (b)));} |
115 | #define UMUL_TIME 20 | 115 | #define UMUL_TIME 20 |
116 | #define UDIV_TIME 100 | 116 | #define UDIV_TIME 100 |
117 | #endif /* __arm__ */ | 117 | #endif /* __arm__ */ |
118 | 118 | ||
119 | #define __umulsidi3(u, v) \ | 119 | #define __umulsidi3(u, v) \ |
120 | ({DIunion __w; \ | 120 | ({DIunion __w; \ |
@@ -123,14 +123,14 @@ | |||
123 | 123 | ||
124 | #define __udiv_qrnnd_c(q, r, n1, n0, d) \ | 124 | #define __udiv_qrnnd_c(q, r, n1, n0, d) \ |
125 | do { \ | 125 | do { \ |
126 | USItype __d1, __d0, __q1, __q0; \ | 126 | u32 __d1, __d0, __q1, __q0; \ |
127 | USItype __r1, __r0, __m; \ | 127 | u32 __r1, __r0, __m; \ |
128 | __d1 = __ll_highpart (d); \ | 128 | __d1 = __ll_highpart (d); \ |
129 | __d0 = __ll_lowpart (d); \ | 129 | __d0 = __ll_lowpart (d); \ |
130 | \ | 130 | \ |
131 | __r1 = (n1) % __d1; \ | 131 | __r1 = (n1) % __d1; \ |
132 | __q1 = (n1) / __d1; \ | 132 | __q1 = (n1) / __d1; \ |
133 | __m = (USItype) __q1 * __d0; \ | 133 | __m = (u32) __q1 * __d0; \ |
134 | __r1 = __r1 * __ll_B | __ll_highpart (n0); \ | 134 | __r1 = __r1 * __ll_B | __ll_highpart (n0); \ |
135 | if (__r1 < __m) \ | 135 | if (__r1 < __m) \ |
136 | { \ | 136 | { \ |
@@ -143,7 +143,7 @@ | |||
143 | \ | 143 | \ |
144 | __r0 = __r1 % __d1; \ | 144 | __r0 = __r1 % __d1; \ |
145 | __q0 = __r1 / __d1; \ | 145 | __q0 = __r1 / __d1; \ |
146 | __m = (USItype) __q0 * __d0; \ | 146 | __m = (u32) __q0 * __d0; \ |
147 | __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ | 147 | __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ |
148 | if (__r0 < __m) \ | 148 | if (__r0 < __m) \ |
149 | { \ | 149 | { \ |
@@ -154,7 +154,7 @@ | |||
154 | } \ | 154 | } \ |
155 | __r0 -= __m; \ | 155 | __r0 -= __m; \ |
156 | \ | 156 | \ |
157 | (q) = (USItype) __q1 * __ll_B | __q0; \ | 157 | (q) = (u32) __q1 * __ll_B | __q0; \ |
158 | (r) = __r0; \ | 158 | (r) = __r0; \ |
159 | } while (0) | 159 | } while (0) |
160 | 160 | ||
@@ -163,14 +163,14 @@ | |||
163 | 163 | ||
164 | #define count_leading_zeros(count, x) \ | 164 | #define count_leading_zeros(count, x) \ |
165 | do { \ | 165 | do { \ |
166 | USItype __xr = (x); \ | 166 | u32 __xr = (x); \ |
167 | USItype __a; \ | 167 | u32 __a; \ |
168 | \ | 168 | \ |
169 | if (SI_TYPE_SIZE <= 32) \ | 169 | if (SI_TYPE_SIZE <= 32) \ |
170 | { \ | 170 | { \ |
171 | __a = __xr < ((USItype)1<<2*__BITS4) \ | 171 | __a = __xr < ((u32)1<<2*__BITS4) \ |
172 | ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \ | 172 | ? (__xr < ((u32)1<<__BITS4) ? 0 : __BITS4) \ |
173 | : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ | 173 | : (__xr < ((u32)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ |
174 | } \ | 174 | } \ |
175 | else \ | 175 | else \ |
176 | { \ | 176 | { \ |
diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c index b666f1bad451..3681f49d2b6e 100644 --- a/arch/arm/lib/lshrdi3.c +++ b/arch/arm/lib/lshrdi3.c | |||
@@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ | |||
31 | 31 | ||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | 33 | ||
34 | DItype | 34 | s64 __lshrdi3(s64 u, int b) |
35 | __lshrdi3 (DItype u, word_type b) | ||
36 | { | 35 | { |
37 | DIunion w; | 36 | DIunion w; |
38 | word_type bm; | 37 | int bm; |
39 | DIunion uu; | 38 | DIunion uu; |
40 | 39 | ||
41 | if (b == 0) | 40 | if (b == 0) |
42 | return u; | 41 | return u; |
43 | 42 | ||
44 | uu.ll = u; | 43 | uu.ll = u; |
45 | 44 | ||
46 | bm = (sizeof (SItype) * BITS_PER_UNIT) - b; | 45 | bm = (sizeof(s32) * BITS_PER_UNIT) - b; |
47 | if (bm <= 0) | 46 | if (bm <= 0) { |
48 | { | 47 | w.s.high = 0; |
49 | w.s.high = 0; | 48 | w.s.low = (u32) uu.s.high >> -bm; |
50 | w.s.low = (USItype)uu.s.high >> -bm; | 49 | } else { |
51 | } | 50 | u32 carries = (u32) uu.s.high << bm; |
52 | else | 51 | w.s.high = (u32) uu.s.high >> b; |
53 | { | 52 | w.s.low = ((u32) uu.s.low >> b) | carries; |
54 | USItype carries = (USItype)uu.s.high << bm; | 53 | } |
55 | w.s.high = (USItype)uu.s.high >> b; | 54 | |
56 | w.s.low = ((USItype)uu.s.low >> b) | carries; | 55 | return w.ll; |
57 | } | ||
58 | |||
59 | return w.ll; | ||
60 | } | 56 | } |
61 | |||
diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c index 44d611b1cfdb..0a3b93313f18 100644 --- a/arch/arm/lib/muldi3.c +++ b/arch/arm/lib/muldi3.c | |||
@@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */ | |||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | 33 | ||
34 | #define umul_ppmm(xh, xl, a, b) \ | 34 | #define umul_ppmm(xh, xl, a, b) \ |
35 | {register USItype __t0, __t1, __t2; \ | 35 | {register u32 __t0, __t1, __t2; \ |
36 | __asm__ ("%@ Inlined umul_ppmm \n\ | 36 | __asm__ ("%@ Inlined umul_ppmm \n\ |
37 | mov %2, %5, lsr #16 \n\ | 37 | mov %2, %5, lsr #16 \n\ |
38 | mov %0, %6, lsr #16 \n\ | 38 | mov %0, %6, lsr #16 \n\ |
@@ -46,32 +46,27 @@ Boston, MA 02111-1307, USA. */ | |||
46 | addcs %0, %0, #65536 \n\ | 46 | addcs %0, %0, #65536 \n\ |
47 | adds %1, %1, %3, lsl #16 \n\ | 47 | adds %1, %1, %3, lsl #16 \n\ |
48 | adc %0, %0, %3, lsr #16" \ | 48 | adc %0, %0, %3, lsr #16" \ |
49 | : "=&r" ((USItype) (xh)), \ | 49 | : "=&r" ((u32) (xh)), \ |
50 | "=r" ((USItype) (xl)), \ | 50 | "=r" ((u32) (xl)), \ |
51 | "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ | 51 | "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ |
52 | : "r" ((USItype) (a)), \ | 52 | : "r" ((u32) (a)), \ |
53 | "r" ((USItype) (b)));} | 53 | "r" ((u32) (b)));} |
54 | |||
55 | 54 | ||
56 | #define __umulsidi3(u, v) \ | 55 | #define __umulsidi3(u, v) \ |
57 | ({DIunion __w; \ | 56 | ({DIunion __w; \ |
58 | umul_ppmm (__w.s.high, __w.s.low, u, v); \ | 57 | umul_ppmm (__w.s.high, __w.s.low, u, v); \ |
59 | __w.ll; }) | 58 | __w.ll; }) |
60 | 59 | ||
61 | 60 | s64 __muldi3(s64 u, s64 v) | |
62 | DItype | ||
63 | __muldi3 (DItype u, DItype v) | ||
64 | { | 61 | { |
65 | DIunion w; | 62 | DIunion w; |
66 | DIunion uu, vv; | 63 | DIunion uu, vv; |
67 | 64 | ||
68 | uu.ll = u, | 65 | uu.ll = u, vv.ll = v; |
69 | vv.ll = v; | ||
70 | 66 | ||
71 | w.ll = __umulsidi3 (uu.s.low, vv.s.low); | 67 | w.ll = __umulsidi3(uu.s.low, vv.s.low); |
72 | w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high | 68 | w.s.high += ((u32) uu.s.low * (u32) vv.s.high |
73 | + (USItype) uu.s.high * (USItype) vv.s.low); | 69 | + (u32) uu.s.high * (u32) vv.s.low); |
74 | 70 | ||
75 | return w.ll; | 71 | return w.ll; |
76 | } | 72 | } |
77 | |||
diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c index 6c6ae63efa02..57f3f2df3850 100644 --- a/arch/arm/lib/ucmpdi2.c +++ b/arch/arm/lib/ucmpdi2.c | |||
@@ -31,21 +31,19 @@ Boston, MA 02111-1307, USA. */ | |||
31 | 31 | ||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | 33 | ||
34 | word_type | 34 | int __ucmpdi2(s64 a, s64 b) |
35 | __ucmpdi2 (DItype a, DItype b) | ||
36 | { | 35 | { |
37 | DIunion au, bu; | 36 | DIunion au, bu; |
38 | 37 | ||
39 | au.ll = a, bu.ll = b; | 38 | au.ll = a, bu.ll = b; |
40 | 39 | ||
41 | if ((USItype) au.s.high < (USItype) bu.s.high) | 40 | if ((u32) au.s.high < (u32) bu.s.high) |
42 | return 0; | 41 | return 0; |
43 | else if ((USItype) au.s.high > (USItype) bu.s.high) | 42 | else if ((u32) au.s.high > (u32) bu.s.high) |
44 | return 2; | 43 | return 2; |
45 | if ((USItype) au.s.low < (USItype) bu.s.low) | 44 | if ((u32) au.s.low < (u32) bu.s.low) |
46 | return 0; | 45 | return 0; |
47 | else if ((USItype) au.s.low > (USItype) bu.s.low) | 46 | else if ((u32) au.s.low > (u32) bu.s.low) |
48 | return 2; | 47 | return 2; |
49 | return 1; | 48 | return 1; |
50 | } | 49 | } |
51 | |||
diff --git a/arch/arm/lib/udivdi3.c b/arch/arm/lib/udivdi3.c index d25195f673f4..e343be4c6642 100644 --- a/arch/arm/lib/udivdi3.c +++ b/arch/arm/lib/udivdi3.c | |||
@@ -32,211 +32,191 @@ Boston, MA 02111-1307, USA. */ | |||
32 | #include "gcclib.h" | 32 | #include "gcclib.h" |
33 | #include "longlong.h" | 33 | #include "longlong.h" |
34 | 34 | ||
35 | static const UQItype __clz_tab[] = | 35 | static const u8 __clz_tab[] = { |
36 | { | 36 | 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, |
37 | 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, | 37 | 5, 5, 5, 5, 5, 5, 5, 5, |
38 | 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, | 38 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, |
39 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, | 39 | 6, 6, 6, 6, 6, 6, 6, 6, |
40 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, | 40 | 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, |
41 | 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, | 41 | 7, 7, 7, 7, 7, 7, 7, 7, |
42 | 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, | 42 | 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, |
43 | 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, | 43 | 7, 7, 7, 7, 7, 7, 7, 7, |
44 | 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, | 44 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, |
45 | 8, 8, 8, 8, 8, 8, 8, 8, | ||
46 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | ||
47 | 8, 8, 8, 8, 8, 8, 8, 8, | ||
48 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | ||
49 | 8, 8, 8, 8, 8, 8, 8, 8, | ||
50 | 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, | ||
51 | 8, 8, 8, 8, 8, 8, 8, 8, | ||
45 | }; | 52 | }; |
46 | 53 | ||
47 | UDItype | 54 | u64 __udivmoddi4(u64 n, u64 d, u64 * rp) |
48 | __udivmoddi4 (UDItype n, UDItype d, UDItype *rp) | ||
49 | { | 55 | { |
50 | DIunion ww; | 56 | DIunion ww; |
51 | DIunion nn, dd; | 57 | DIunion nn, dd; |
52 | DIunion rr; | 58 | DIunion rr; |
53 | USItype d0, d1, n0, n1, n2; | 59 | u32 d0, d1, n0, n1, n2; |
54 | USItype q0, q1; | 60 | u32 q0, q1; |
55 | USItype b, bm; | 61 | u32 b, bm; |
56 | 62 | ||
57 | nn.ll = n; | 63 | nn.ll = n; |
58 | dd.ll = d; | 64 | dd.ll = d; |
59 | 65 | ||
60 | d0 = dd.s.low; | 66 | d0 = dd.s.low; |
61 | d1 = dd.s.high; | 67 | d1 = dd.s.high; |
62 | n0 = nn.s.low; | 68 | n0 = nn.s.low; |
63 | n1 = nn.s.high; | 69 | n1 = nn.s.high; |
64 | 70 | ||
65 | if (d1 == 0) | 71 | if (d1 == 0) { |
66 | { | 72 | if (d0 > n1) { |
67 | if (d0 > n1) | 73 | /* 0q = nn / 0D */ |
68 | { | 74 | |
69 | /* 0q = nn / 0D */ | 75 | count_leading_zeros(bm, d0); |
70 | 76 | ||
71 | count_leading_zeros (bm, d0); | 77 | if (bm != 0) { |
72 | 78 | /* Normalize, i.e. make the most significant bit of the | |
73 | if (bm != 0) | 79 | denominator set. */ |
74 | { | 80 | |
75 | /* Normalize, i.e. make the most significant bit of the | 81 | d0 = d0 << bm; |
76 | denominator set. */ | 82 | n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); |
77 | 83 | n0 = n0 << bm; | |
78 | d0 = d0 << bm; | 84 | } |
79 | n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); | 85 | |
80 | n0 = n0 << bm; | 86 | udiv_qrnnd(q0, n0, n1, n0, d0); |
81 | } | 87 | q1 = 0; |
82 | 88 | ||
83 | udiv_qrnnd (q0, n0, n1, n0, d0); | 89 | /* Remainder in n0 >> bm. */ |
84 | q1 = 0; | 90 | } else { |
85 | 91 | /* qq = NN / 0d */ | |
86 | /* Remainder in n0 >> bm. */ | 92 | |
87 | } | 93 | if (d0 == 0) |
88 | else | 94 | d0 = 1 / d0; /* Divide intentionally by zero. */ |
89 | { | 95 | |
90 | /* qq = NN / 0d */ | 96 | count_leading_zeros(bm, d0); |
91 | 97 | ||
92 | if (d0 == 0) | 98 | if (bm == 0) { |
93 | d0 = 1 / d0; /* Divide intentionally by zero. */ | 99 | /* From (n1 >= d0) /\ (the most significant bit of d0 is set), |
94 | 100 | conclude (the most significant bit of n1 is set) /\ (the | |
95 | count_leading_zeros (bm, d0); | 101 | leading quotient digit q1 = 1). |
96 | 102 | ||
97 | if (bm == 0) | 103 | This special case is necessary, not an optimization. |
98 | { | 104 | (Shifts counts of SI_TYPE_SIZE are undefined.) */ |
99 | /* From (n1 >= d0) /\ (the most significant bit of d0 is set), | 105 | |
100 | conclude (the most significant bit of n1 is set) /\ (the | 106 | n1 -= d0; |
101 | leading quotient digit q1 = 1). | 107 | q1 = 1; |
102 | 108 | } else { | |
103 | This special case is necessary, not an optimization. | 109 | /* Normalize. */ |
104 | (Shifts counts of SI_TYPE_SIZE are undefined.) */ | 110 | |
105 | 111 | b = SI_TYPE_SIZE - bm; | |
106 | n1 -= d0; | 112 | |
107 | q1 = 1; | 113 | d0 = d0 << bm; |
108 | } | 114 | n2 = n1 >> b; |
109 | else | 115 | n1 = (n1 << bm) | (n0 >> b); |
110 | { | 116 | n0 = n0 << bm; |
111 | /* Normalize. */ | 117 | |
112 | 118 | udiv_qrnnd(q1, n1, n2, n1, d0); | |
113 | b = SI_TYPE_SIZE - bm; | 119 | } |
114 | 120 | ||
115 | d0 = d0 << bm; | 121 | /* n1 != d0... */ |
116 | n2 = n1 >> b; | 122 | |
117 | n1 = (n1 << bm) | (n0 >> b); | 123 | udiv_qrnnd(q0, n0, n1, n0, d0); |
118 | n0 = n0 << bm; | 124 | |
119 | 125 | /* Remainder in n0 >> bm. */ | |
120 | udiv_qrnnd (q1, n1, n2, n1, d0); | 126 | } |
121 | } | 127 | |
122 | 128 | if (rp != 0) { | |
123 | /* n1 != d0... */ | 129 | rr.s.low = n0 >> bm; |
124 | 130 | rr.s.high = 0; | |
125 | udiv_qrnnd (q0, n0, n1, n0, d0); | 131 | *rp = rr.ll; |
126 | 132 | } | |
127 | /* Remainder in n0 >> bm. */ | 133 | } else { |
128 | } | 134 | if (d1 > n1) { |
129 | 135 | /* 00 = nn / DD */ | |
130 | if (rp != 0) | 136 | |
131 | { | 137 | q0 = 0; |
132 | rr.s.low = n0 >> bm; | 138 | q1 = 0; |
133 | rr.s.high = 0; | 139 | |
134 | *rp = rr.ll; | 140 | /* Remainder in n1n0. */ |
135 | } | 141 | if (rp != 0) { |
136 | } | 142 | rr.s.low = n0; |
137 | else | 143 | rr.s.high = n1; |
138 | { | 144 | *rp = rr.ll; |
139 | if (d1 > n1) | 145 | } |
140 | { | 146 | } else { |
141 | /* 00 = nn / DD */ | 147 | /* 0q = NN / dd */ |
142 | 148 | ||
143 | q0 = 0; | 149 | count_leading_zeros(bm, d1); |
144 | q1 = 0; | 150 | if (bm == 0) { |
145 | 151 | /* From (n1 >= d1) /\ (the most significant bit of d1 is set), | |
146 | /* Remainder in n1n0. */ | 152 | conclude (the most significant bit of n1 is set) /\ (the |
147 | if (rp != 0) | 153 | quotient digit q0 = 0 or 1). |
148 | { | 154 | |
149 | rr.s.low = n0; | 155 | This special case is necessary, not an optimization. */ |
150 | rr.s.high = n1; | 156 | |
151 | *rp = rr.ll; | 157 | /* The condition on the next line takes advantage of that |
152 | } | 158 | n1 >= d1 (true due to program flow). */ |
153 | } | 159 | if (n1 > d1 || n0 >= d0) { |
154 | else | 160 | q0 = 1; |
155 | { | 161 | sub_ddmmss(n1, n0, n1, n0, d1, d0); |
156 | /* 0q = NN / dd */ | 162 | } else |
157 | 163 | q0 = 0; | |
158 | count_leading_zeros (bm, d1); | 164 | |
159 | if (bm == 0) | 165 | q1 = 0; |
160 | { | 166 | |
161 | /* From (n1 >= d1) /\ (the most significant bit of d1 is set), | 167 | if (rp != 0) { |
162 | conclude (the most significant bit of n1 is set) /\ (the | 168 | rr.s.low = n0; |
163 | quotient digit q0 = 0 or 1). | 169 | rr.s.high = n1; |
164 | 170 | *rp = rr.ll; | |
165 | This special case is necessary, not an optimization. */ | 171 | } |
166 | 172 | } else { | |
167 | /* The condition on the next line takes advantage of that | 173 | u32 m1, m0; |
168 | n1 >= d1 (true due to program flow). */ | 174 | /* Normalize. */ |
169 | if (n1 > d1 || n0 >= d0) | 175 | |
170 | { | 176 | b = SI_TYPE_SIZE - bm; |
171 | q0 = 1; | 177 | |
172 | sub_ddmmss (n1, n0, n1, n0, d1, d0); | 178 | d1 = (d1 << bm) | (d0 >> b); |
173 | } | 179 | d0 = d0 << bm; |
174 | else | 180 | n2 = n1 >> b; |
175 | q0 = 0; | 181 | n1 = (n1 << bm) | (n0 >> b); |
176 | 182 | n0 = n0 << bm; | |
177 | q1 = 0; | 183 | |
178 | 184 | udiv_qrnnd(q0, n1, n2, n1, d1); | |
179 | if (rp != 0) | 185 | umul_ppmm(m1, m0, q0, d0); |
180 | { | 186 | |
181 | rr.s.low = n0; | 187 | if (m1 > n1 || (m1 == n1 && m0 > n0)) { |
182 | rr.s.high = n1; | 188 | q0--; |
183 | *rp = rr.ll; | 189 | sub_ddmmss(m1, m0, m1, m0, d1, d0); |
184 | } | 190 | } |
185 | } | 191 | |
186 | else | 192 | q1 = 0; |
187 | { | 193 | |
188 | USItype m1, m0; | 194 | /* Remainder in (n1n0 - m1m0) >> bm. */ |
189 | /* Normalize. */ | 195 | if (rp != 0) { |
190 | 196 | sub_ddmmss(n1, n0, n1, n0, m1, m0); | |
191 | b = SI_TYPE_SIZE - bm; | 197 | rr.s.low = (n1 << b) | (n0 >> bm); |
192 | 198 | rr.s.high = n1 >> bm; | |
193 | d1 = (d1 << bm) | (d0 >> b); | 199 | *rp = rr.ll; |
194 | d0 = d0 << bm; | 200 | } |
195 | n2 = n1 >> b; | 201 | } |
196 | n1 = (n1 << bm) | (n0 >> b); | 202 | } |
197 | n0 = n0 << bm; | 203 | } |
198 | 204 | ||
199 | udiv_qrnnd (q0, n1, n2, n1, d1); | 205 | ww.s.low = q0; |
200 | umul_ppmm (m1, m0, q0, d0); | 206 | ww.s.high = q1; |
201 | 207 | return ww.ll; | |
202 | if (m1 > n1 || (m1 == n1 && m0 > n0)) | ||
203 | { | ||
204 | q0--; | ||
205 | sub_ddmmss (m1, m0, m1, m0, d1, d0); | ||
206 | } | ||
207 | |||
208 | q1 = 0; | ||
209 | |||
210 | /* Remainder in (n1n0 - m1m0) >> bm. */ | ||
211 | if (rp != 0) | ||
212 | { | ||
213 | sub_ddmmss (n1, n0, n1, n0, m1, m0); | ||
214 | rr.s.low = (n1 << b) | (n0 >> bm); | ||
215 | rr.s.high = n1 >> bm; | ||
216 | *rp = rr.ll; | ||
217 | } | ||
218 | } | ||
219 | } | ||
220 | } | ||
221 | |||
222 | ww.s.low = q0; | ||
223 | ww.s.high = q1; | ||
224 | return ww.ll; | ||
225 | } | 208 | } |
226 | 209 | ||
227 | UDItype | 210 | u64 __udivdi3(u64 n, u64 d) |
228 | __udivdi3 (UDItype n, UDItype d) | ||
229 | { | 211 | { |
230 | return __udivmoddi4 (n, d, (UDItype *) 0); | 212 | return __udivmoddi4(n, d, (u64 *) 0); |
231 | } | 213 | } |
232 | 214 | ||
233 | UDItype | 215 | u64 __umoddi3(u64 u, u64 v) |
234 | __umoddi3 (UDItype u, UDItype v) | ||
235 | { | 216 | { |
236 | UDItype w; | 217 | u64 w; |
237 | 218 | ||
238 | (void) __udivmoddi4 (u ,v, &w); | 219 | (void)__udivmoddi4(u, v, &w); |
239 | 220 | ||
240 | return w; | 221 | return w; |
241 | } | 222 | } |
242 | |||
diff --git a/arch/arm/mach-aaec2000/Kconfig b/arch/arm/mach-aaec2000/Kconfig new file mode 100644 index 000000000000..5e4bef93754c --- /dev/null +++ b/arch/arm/mach-aaec2000/Kconfig | |||
@@ -0,0 +1,11 @@ | |||
1 | if ARCH_AAEC2000 | ||
2 | |||
3 | menu "Agilent AAEC-2000 Implementations" | ||
4 | |||
5 | config MACH_AAED2000 | ||
6 | bool "Agilent AAED-2000 Development Platform" | ||
7 | select CPU_ARM920T | ||
8 | |||
9 | endmenu | ||
10 | |||
11 | endif | ||
diff --git a/arch/arm/mach-aaec2000/Makefile b/arch/arm/mach-aaec2000/Makefile new file mode 100644 index 000000000000..20ec83896c37 --- /dev/null +++ b/arch/arm/mach-aaec2000/Makefile | |||
@@ -0,0 +1,9 @@ | |||
1 | # | ||
2 | # Makefile for the linux kernel. | ||
3 | # | ||
4 | |||
5 | # Common support (must be linked before board specific support) | ||
6 | obj-y += core.o | ||
7 | |||
8 | # Specific board support | ||
9 | obj-$(CONFIG_MACH_AAED2000) += aaed2000.o | ||
diff --git a/arch/arm/mach-aaec2000/aaed2000.c b/arch/arm/mach-aaec2000/aaed2000.c new file mode 100644 index 000000000000..5417ca3f4621 --- /dev/null +++ b/arch/arm/mach-aaec2000/aaed2000.c | |||
@@ -0,0 +1,48 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-aaec2000/aaed2000.c | ||
3 | * | ||
4 | * Support for the Agilent AAED-2000 Development Platform. | ||
5 | * | ||
6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | */ | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/device.h> | ||
17 | #include <linux/major.h> | ||
18 | #include <linux/interrupt.h> | ||
19 | |||
20 | #include <asm/setup.h> | ||
21 | #include <asm/memory.h> | ||
22 | #include <asm/mach-types.h> | ||
23 | #include <asm/hardware.h> | ||
24 | #include <asm/irq.h> | ||
25 | |||
26 | #include <asm/mach/arch.h> | ||
27 | #include <asm/mach/map.h> | ||
28 | #include <asm/mach/irq.h> | ||
29 | |||
30 | #include "core.h" | ||
31 | |||
32 | static void __init aaed2000_init_irq(void) | ||
33 | { | ||
34 | aaec2000_init_irq(); | ||
35 | } | ||
36 | |||
37 | static void __init aaed2000_map_io(void) | ||
38 | { | ||
39 | aaec2000_map_io(); | ||
40 | } | ||
41 | |||
42 | MACHINE_START(AAED2000, "Agilent AAED-2000 Development Platform") | ||
43 | MAINTAINER("Nicolas Bellido Y Ortega") | ||
44 | BOOT_MEM(0xf0000000, PIO_BASE, VIO_BASE) | ||
45 | MAPIO(aaed2000_map_io) | ||
46 | INITIRQ(aaed2000_init_irq) | ||
47 | .timer = &aaec2000_timer, | ||
48 | MACHINE_END | ||
diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c new file mode 100644 index 000000000000..fc145b3768fa --- /dev/null +++ b/arch/arm/mach-aaec2000/core.c | |||
@@ -0,0 +1,157 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-aaec2000/core.c | ||
3 | * | ||
4 | * Code common to all AAEC-2000 machines | ||
5 | * | ||
6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | #include <linux/config.h> | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/kernel.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/list.h> | ||
17 | #include <linux/errno.h> | ||
18 | #include <linux/interrupt.h> | ||
19 | #include <linux/timex.h> | ||
20 | #include <linux/signal.h> | ||
21 | |||
22 | #include <asm/hardware.h> | ||
23 | #include <asm/irq.h> | ||
24 | |||
25 | #include <asm/mach/irq.h> | ||
26 | #include <asm/mach/time.h> | ||
27 | #include <asm/mach/map.h> | ||
28 | |||
29 | /* | ||
30 | * Common I/O mapping: | ||
31 | * | ||
32 | * Static virtual address mappings are as follow: | ||
33 | * | ||
34 | * 0xf8000000-0xf8001ffff: Devices connected to APB bus | ||
35 | * 0xf8002000-0xf8003ffff: Devices connected to AHB bus | ||
36 | * | ||
37 | * Below 0xe8000000 is reserved for vm allocation. | ||
38 | * | ||
39 | * The machine specific code must provide the extra mapping beside the | ||
40 | * default mapping provided here. | ||
41 | */ | ||
42 | static struct map_desc standard_io_desc[] __initdata = { | ||
43 | /* virtual physical length type */ | ||
44 | { VIO_APB_BASE, PIO_APB_BASE, IO_APB_LENGTH, MT_DEVICE }, | ||
45 | { VIO_AHB_BASE, PIO_AHB_BASE, IO_AHB_LENGTH, MT_DEVICE } | ||
46 | }; | ||
47 | |||
48 | void __init aaec2000_map_io(void) | ||
49 | { | ||
50 | iotable_init(standard_io_desc, ARRAY_SIZE(standard_io_desc)); | ||
51 | } | ||
52 | |||
53 | /* | ||
54 | * Interrupt handling routines | ||
55 | */ | ||
56 | static void aaec2000_int_ack(unsigned int irq) | ||
57 | { | ||
58 | IRQ_INTSR = 1 << irq; | ||
59 | } | ||
60 | |||
61 | static void aaec2000_int_mask(unsigned int irq) | ||
62 | { | ||
63 | IRQ_INTENC |= (1 << irq); | ||
64 | } | ||
65 | |||
66 | static void aaec2000_int_unmask(unsigned int irq) | ||
67 | { | ||
68 | IRQ_INTENS |= (1 << irq); | ||
69 | } | ||
70 | |||
71 | static struct irqchip aaec2000_irq_chip = { | ||
72 | .ack = aaec2000_int_ack, | ||
73 | .mask = aaec2000_int_mask, | ||
74 | .unmask = aaec2000_int_unmask, | ||
75 | }; | ||
76 | |||
77 | void __init aaec2000_init_irq(void) | ||
78 | { | ||
79 | unsigned int i; | ||
80 | |||
81 | for (i = 0; i < NR_IRQS; i++) { | ||
82 | set_irq_handler(i, do_level_IRQ); | ||
83 | set_irq_chip(i, &aaec2000_irq_chip); | ||
84 | set_irq_flags(i, IRQF_VALID); | ||
85 | } | ||
86 | |||
87 | /* Disable all interrupts */ | ||
88 | IRQ_INTENC = 0xffffffff; | ||
89 | |||
90 | /* Clear any pending interrupts */ | ||
91 | IRQ_INTSR = IRQ_INTSR; | ||
92 | } | ||
93 | |||
94 | /* | ||
95 | * Time keeping | ||
96 | */ | ||
97 | /* IRQs are disabled before entering here from do_gettimeofday() */ | ||
98 | static unsigned long aaec2000_gettimeoffset(void) | ||
99 | { | ||
100 | unsigned long ticks_to_match, elapsed, usec; | ||
101 | |||
102 | /* Get ticks before next timer match */ | ||
103 | ticks_to_match = TIMER1_LOAD - TIMER1_VAL; | ||
104 | |||
105 | /* We need elapsed ticks since last match */ | ||
106 | elapsed = LATCH - ticks_to_match; | ||
107 | |||
108 | /* Now, convert them to usec */ | ||
109 | usec = (unsigned long)(elapsed * (tick_nsec / 1000))/LATCH; | ||
110 | |||
111 | return usec; | ||
112 | } | ||
113 | |||
114 | /* We enter here with IRQs enabled */ | ||
115 | static irqreturn_t | ||
116 | aaec2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) | ||
117 | { | ||
118 | /* TODO: Check timer accuracy */ | ||
119 | write_seqlock(&xtime_lock); | ||
120 | |||
121 | timer_tick(regs); | ||
122 | TIMER1_CLEAR = 1; | ||
123 | |||
124 | write_sequnlock(&xtime_lock); | ||
125 | |||
126 | return IRQ_HANDLED; | ||
127 | } | ||
128 | |||
129 | static struct irqaction aaec2000_timer_irq = { | ||
130 | .name = "AAEC-2000 Timer Tick", | ||
131 | .flags = SA_INTERRUPT, | ||
132 | .handler = aaec2000_timer_interrupt | ||
133 | }; | ||
134 | |||
135 | static void __init aaec2000_timer_init(void) | ||
136 | { | ||
137 | /* Disable timer 1 */ | ||
138 | TIMER1_CTRL = 0; | ||
139 | |||
140 | /* We have somehow to generate a 100Hz clock. | ||
141 | * We then use the 508KHz timer in periodic mode. | ||
142 | */ | ||
143 | TIMER1_LOAD = LATCH; | ||
144 | TIMER1_CLEAR = 1; /* Clear interrupt */ | ||
145 | |||
146 | setup_irq(INT_TMR1_OFL, &aaec2000_timer_irq); | ||
147 | |||
148 | TIMER1_CTRL = TIMER_CTRL_ENABLE | | ||
149 | TIMER_CTRL_PERIODIC | | ||
150 | TIMER_CTRL_CLKSEL_508K; | ||
151 | } | ||
152 | |||
153 | struct sys_timer aaec2000_timer = { | ||
154 | .init = aaec2000_timer_init, | ||
155 | .offset = aaec2000_gettimeoffset, | ||
156 | }; | ||
157 | |||
diff --git a/arch/arm/mach-aaec2000/core.h b/arch/arm/mach-aaec2000/core.h new file mode 100644 index 000000000000..91893d848c16 --- /dev/null +++ b/arch/arm/mach-aaec2000/core.h | |||
@@ -0,0 +1,16 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-aaec2000/core.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | * | ||
10 | */ | ||
11 | |||
12 | struct sys_timer; | ||
13 | |||
14 | extern struct sys_timer aaec2000_timer; | ||
15 | extern void __init aaec2000_map_io(void); | ||
16 | extern void __init aaec2000_init_irq(void); | ||
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index d302f0405fd2..bd1e5e3c9d34 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c | |||
@@ -227,7 +227,6 @@ integrator_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |||
227 | * primary CPU | 227 | * primary CPU |
228 | */ | 228 | */ |
229 | if (hard_smp_processor_id() == 0) { | 229 | if (hard_smp_processor_id() == 0) { |
230 | nmi_tick(); | ||
231 | timer_tick(regs); | 230 | timer_tick(regs); |
232 | #ifdef CONFIG_SMP | 231 | #ifdef CONFIG_SMP |
233 | smp_send_timer(); | 232 | smp_send_timer(); |
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 4f3c3d5c781c..fc0555596d6d 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c | |||
@@ -162,12 +162,13 @@ void __init ixp2000_map_io(void) | |||
162 | static unsigned ticks_per_jiffy; | 162 | static unsigned ticks_per_jiffy; |
163 | static unsigned ticks_per_usec; | 163 | static unsigned ticks_per_usec; |
164 | static unsigned next_jiffy_time; | 164 | static unsigned next_jiffy_time; |
165 | static volatile unsigned long *missing_jiffy_timer_csr; | ||
165 | 166 | ||
166 | unsigned long ixp2000_gettimeoffset (void) | 167 | unsigned long ixp2000_gettimeoffset (void) |
167 | { | 168 | { |
168 | unsigned long offset; | 169 | unsigned long offset; |
169 | 170 | ||
170 | offset = next_jiffy_time - *IXP2000_T4_CSR; | 171 | offset = next_jiffy_time - *missing_jiffy_timer_csr; |
171 | 172 | ||
172 | return offset / ticks_per_usec; | 173 | return offset / ticks_per_usec; |
173 | } | 174 | } |
@@ -179,7 +180,7 @@ static int ixp2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |||
179 | /* clear timer 1 */ | 180 | /* clear timer 1 */ |
180 | ixp2000_reg_write(IXP2000_T1_CLR, 1); | 181 | ixp2000_reg_write(IXP2000_T1_CLR, 1); |
181 | 182 | ||
182 | while ((next_jiffy_time - *IXP2000_T4_CSR) > ticks_per_jiffy) { | 183 | while ((next_jiffy_time - *missing_jiffy_timer_csr) > ticks_per_jiffy) { |
183 | timer_tick(regs); | 184 | timer_tick(regs); |
184 | next_jiffy_time -= ticks_per_jiffy; | 185 | next_jiffy_time -= ticks_per_jiffy; |
185 | } | 186 | } |
@@ -197,20 +198,37 @@ static struct irqaction ixp2000_timer_irq = { | |||
197 | 198 | ||
198 | void __init ixp2000_init_time(unsigned long tick_rate) | 199 | void __init ixp2000_init_time(unsigned long tick_rate) |
199 | { | 200 | { |
200 | ixp2000_reg_write(IXP2000_T1_CLR, 0); | ||
201 | ixp2000_reg_write(IXP2000_T4_CLR, 0); | ||
202 | |||
203 | ticks_per_jiffy = (tick_rate + HZ/2) / HZ; | 201 | ticks_per_jiffy = (tick_rate + HZ/2) / HZ; |
204 | ticks_per_usec = tick_rate / 1000000; | 202 | ticks_per_usec = tick_rate / 1000000; |
205 | 203 | ||
204 | /* | ||
205 | * We use timer 1 as our timer interrupt. | ||
206 | */ | ||
207 | ixp2000_reg_write(IXP2000_T1_CLR, 0); | ||
206 | ixp2000_reg_write(IXP2000_T1_CLD, ticks_per_jiffy - 1); | 208 | ixp2000_reg_write(IXP2000_T1_CLD, ticks_per_jiffy - 1); |
207 | ixp2000_reg_write(IXP2000_T1_CTL, (1 << 7)); | 209 | ixp2000_reg_write(IXP2000_T1_CTL, (1 << 7)); |
208 | 210 | ||
209 | /* | 211 | /* |
210 | * We use T4 as a monotonic counter to track missed jiffies | 212 | * We use a second timer as a monotonic counter for tracking |
213 | * missed jiffies. The IXP2000 has four timers, but if we're | ||
214 | * on an A-step IXP2800, timer 2 and 3 don't work, so on those | ||
215 | * chips we use timer 4. Timer 4 is the only timer that can | ||
216 | * be used for the watchdog, so we use timer 2 if we're on a | ||
217 | * non-buggy chip. | ||
211 | */ | 218 | */ |
212 | ixp2000_reg_write(IXP2000_T4_CLD, -1); | 219 | if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) { |
213 | ixp2000_reg_write(IXP2000_T4_CTL, (1 << 7)); | 220 | printk(KERN_INFO "Enabling IXP2800 erratum #25 workaround\n"); |
221 | |||
222 | ixp2000_reg_write(IXP2000_T4_CLR, 0); | ||
223 | ixp2000_reg_write(IXP2000_T4_CLD, -1); | ||
224 | ixp2000_reg_write(IXP2000_T4_CTL, (1 << 7)); | ||
225 | missing_jiffy_timer_csr = IXP2000_T4_CSR; | ||
226 | } else { | ||
227 | ixp2000_reg_write(IXP2000_T2_CLR, 0); | ||
228 | ixp2000_reg_write(IXP2000_T2_CLD, -1); | ||
229 | ixp2000_reg_write(IXP2000_T2_CTL, (1 << 7)); | ||
230 | missing_jiffy_timer_csr = IXP2000_T2_CSR; | ||
231 | } | ||
214 | next_jiffy_time = 0xffffffff; | 232 | next_jiffy_time = 0xffffffff; |
215 | 233 | ||
216 | /* register for interrupt */ | 234 | /* register for interrupt */ |
diff --git a/arch/arm/mach-versatile/Makefile b/arch/arm/mach-versatile/Makefile index 5d608837757a..ba81e70ed813 100644 --- a/arch/arm/mach-versatile/Makefile +++ b/arch/arm/mach-versatile/Makefile | |||
@@ -5,3 +5,4 @@ | |||
5 | obj-y := core.o clock.o | 5 | obj-y := core.o clock.o |
6 | obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o | 6 | obj-$(CONFIG_ARCH_VERSATILE_PB) += versatile_pb.o |
7 | obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o | 7 | obj-$(CONFIG_MACH_VERSATILE_AB) += versatile_ab.o |
8 | obj-$(CONFIG_PCI) += pci.o | ||
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 302c2a7b9b63..6a7cbea5e098 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c | |||
@@ -196,11 +196,15 @@ static struct map_desc versatile_io_desc[] __initdata = { | |||
196 | #ifdef CONFIG_DEBUG_LL | 196 | #ifdef CONFIG_DEBUG_LL |
197 | { IO_ADDRESS(VERSATILE_UART0_BASE), VERSATILE_UART0_BASE, SZ_4K, MT_DEVICE }, | 197 | { IO_ADDRESS(VERSATILE_UART0_BASE), VERSATILE_UART0_BASE, SZ_4K, MT_DEVICE }, |
198 | #endif | 198 | #endif |
199 | #ifdef FIXME | 199 | #ifdef CONFIG_PCI |
200 | { PCI_MEMORY_VADDR, PHYS_PCI_MEM_BASE, SZ_16M, MT_DEVICE }, | 200 | { IO_ADDRESS(VERSATILE_PCI_CORE_BASE), VERSATILE_PCI_CORE_BASE, SZ_4K, MT_DEVICE }, |
201 | { PCI_CONFIG_VADDR, PHYS_PCI_CONFIG_BASE, SZ_16M, MT_DEVICE }, | 201 | { VERSATILE_PCI_VIRT_BASE, VERSATILE_PCI_BASE, VERSATILE_PCI_BASE_SIZE, MT_DEVICE }, |
202 | { PCI_V3_VADDR, PHYS_PCI_V3_BASE, SZ_512K, MT_DEVICE }, | 202 | { VERSATILE_PCI_CFG_VIRT_BASE, VERSATILE_PCI_CFG_BASE, VERSATILE_PCI_CFG_BASE_SIZE, MT_DEVICE }, |
203 | { PCI_IO_VADDR, PHYS_PCI_IO_BASE, SZ_64K, MT_DEVICE }, | 203 | #if 0 |
204 | { VERSATILE_PCI_VIRT_MEM_BASE0, VERSATILE_PCI_MEM_BASE0, SZ_16M, MT_DEVICE }, | ||
205 | { VERSATILE_PCI_VIRT_MEM_BASE1, VERSATILE_PCI_MEM_BASE1, SZ_16M, MT_DEVICE }, | ||
206 | { VERSATILE_PCI_VIRT_MEM_BASE2, VERSATILE_PCI_MEM_BASE2, SZ_16M, MT_DEVICE }, | ||
207 | #endif | ||
204 | #endif | 208 | #endif |
205 | }; | 209 | }; |
206 | 210 | ||
diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c new file mode 100644 index 000000000000..d1565e851f0e --- /dev/null +++ b/arch/arm/mach-versatile/pci.c | |||
@@ -0,0 +1,360 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-versatile/pci.c | ||
3 | * | ||
4 | * (C) Copyright Koninklijke Philips Electronics NV 2004. All rights reserved. | ||
5 | * You can redistribute and/or modify this software under the terms of version 2 | ||
6 | * of the GNU General Public License as published by the Free Software Foundation. | ||
7 | * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED | ||
8 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
9 | * General Public License for more details. | ||
10 | * Koninklijke Philips Electronics nor its subsidiaries is obligated to provide any support for this software. | ||
11 | * | ||
12 | * ARM Versatile PCI driver. | ||
13 | * | ||
14 | * 14/04/2005 Initial version, colin.king@philips.com | ||
15 | * | ||
16 | */ | ||
17 | #include <linux/config.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/pci.h> | ||
20 | #include <linux/ptrace.h> | ||
21 | #include <linux/slab.h> | ||
22 | #include <linux/ioport.h> | ||
23 | #include <linux/interrupt.h> | ||
24 | #include <linux/spinlock.h> | ||
25 | #include <linux/init.h> | ||
26 | |||
27 | #include <asm/hardware.h> | ||
28 | #include <asm/io.h> | ||
29 | #include <asm/irq.h> | ||
30 | #include <asm/system.h> | ||
31 | #include <asm/mach/pci.h> | ||
32 | #include <asm/mach-types.h> | ||
33 | |||
34 | /* | ||
35 | * these spaces are mapped using the following base registers: | ||
36 | * | ||
37 | * Usage Local Bus Memory Base/Map registers used | ||
38 | * | ||
39 | * Mem 50000000 - 5FFFFFFF LB_BASE0/LB_MAP0, non prefetch | ||
40 | * Mem 60000000 - 6FFFFFFF LB_BASE1/LB_MAP1, prefetch | ||
41 | * IO 44000000 - 4FFFFFFF LB_BASE2/LB_MAP2, IO | ||
42 | * Cfg 42000000 - 42FFFFFF PCI config | ||
43 | * | ||
44 | */ | ||
45 | #define SYS_PCICTL IO_ADDRESS(VERSATILE_SYS_PCICTL) | ||
46 | #define PCI_IMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x0) | ||
47 | #define PCI_IMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x4) | ||
48 | #define PCI_IMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x8) | ||
49 | #define PCI_SMAP0 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x10) | ||
50 | #define PCI_SMAP1 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x14) | ||
51 | #define PCI_SMAP2 IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0x18) | ||
52 | #define PCI_SELFID IO_ADDRESS(VERSATILE_PCI_CORE_BASE+0xc) | ||
53 | |||
54 | #define DEVICE_ID_OFFSET 0x00 | ||
55 | #define CSR_OFFSET 0x04 | ||
56 | #define CLASS_ID_OFFSET 0x08 | ||
57 | |||
58 | #define VP_PCI_DEVICE_ID 0x030010ee | ||
59 | #define VP_PCI_CLASS_ID 0x0b400000 | ||
60 | |||
61 | static unsigned long pci_slot_ignore = 0; | ||
62 | |||
63 | static int __init versatile_pci_slot_ignore(char *str) | ||
64 | { | ||
65 | int retval; | ||
66 | int slot; | ||
67 | |||
68 | while ((retval = get_option(&str,&slot))) { | ||
69 | if ((slot < 0) || (slot > 31)) { | ||
70 | printk("Illegal slot value: %d\n",slot); | ||
71 | } else { | ||
72 | pci_slot_ignore |= (1 << slot); | ||
73 | } | ||
74 | } | ||
75 | return 1; | ||
76 | } | ||
77 | |||
78 | __setup("pci_slot_ignore=", versatile_pci_slot_ignore); | ||
79 | |||
80 | |||
81 | static unsigned long __pci_addr(struct pci_bus *bus, | ||
82 | unsigned int devfn, int offset) | ||
83 | { | ||
84 | unsigned int busnr = bus->number; | ||
85 | |||
86 | /* | ||
87 | * Trap out illegal values | ||
88 | */ | ||
89 | if (offset > 255) | ||
90 | BUG(); | ||
91 | if (busnr > 255) | ||
92 | BUG(); | ||
93 | if (devfn > 255) | ||
94 | BUG(); | ||
95 | |||
96 | return (VERSATILE_PCI_CFG_VIRT_BASE | (busnr << 16) | | ||
97 | (PCI_SLOT(devfn) << 11) | (PCI_FUNC(devfn) << 8) | offset); | ||
98 | } | ||
99 | |||
100 | static int versatile_read_config(struct pci_bus *bus, unsigned int devfn, int where, | ||
101 | int size, u32 *val) | ||
102 | { | ||
103 | unsigned long addr = __pci_addr(bus, devfn, where); | ||
104 | u32 v; | ||
105 | int slot = PCI_SLOT(devfn); | ||
106 | |||
107 | if (pci_slot_ignore & (1 << slot)) { | ||
108 | /* Ignore this slot */ | ||
109 | switch (size) { | ||
110 | case 1: | ||
111 | v = 0xff; | ||
112 | break; | ||
113 | case 2: | ||
114 | v = 0xffff; | ||
115 | break; | ||
116 | default: | ||
117 | v = 0xffffffff; | ||
118 | } | ||
119 | } else { | ||
120 | switch (size) { | ||
121 | case 1: | ||
122 | addr &= ~3; | ||
123 | v = __raw_readb(addr); | ||
124 | break; | ||
125 | |||
126 | case 2: | ||
127 | v = __raw_readl(addr & ~3); | ||
128 | if (addr & 2) v >>= 16; | ||
129 | v &= 0xffff; | ||
130 | break; | ||
131 | |||
132 | default: | ||
133 | addr &= ~3; | ||
134 | v = __raw_readl(addr); | ||
135 | break; | ||
136 | } | ||
137 | } | ||
138 | |||
139 | *val = v; | ||
140 | return PCIBIOS_SUCCESSFUL; | ||
141 | } | ||
142 | |||
143 | static int versatile_write_config(struct pci_bus *bus, unsigned int devfn, int where, | ||
144 | int size, u32 val) | ||
145 | { | ||
146 | unsigned long addr = __pci_addr(bus, devfn, where); | ||
147 | int slot = PCI_SLOT(devfn); | ||
148 | |||
149 | if (pci_slot_ignore & (1 << slot)) { | ||
150 | return PCIBIOS_SUCCESSFUL; | ||
151 | } | ||
152 | |||
153 | switch (size) { | ||
154 | case 1: | ||
155 | __raw_writeb((u8)val, addr); | ||
156 | break; | ||
157 | |||
158 | case 2: | ||
159 | __raw_writew((u16)val, addr); | ||
160 | break; | ||
161 | |||
162 | case 4: | ||
163 | __raw_writel(val, addr); | ||
164 | break; | ||
165 | } | ||
166 | |||
167 | return PCIBIOS_SUCCESSFUL; | ||
168 | } | ||
169 | |||
170 | static struct pci_ops pci_versatile_ops = { | ||
171 | .read = versatile_read_config, | ||
172 | .write = versatile_write_config, | ||
173 | }; | ||
174 | |||
175 | static struct resource io_mem = { | ||
176 | .name = "PCI I/O space", | ||
177 | .start = VERSATILE_PCI_MEM_BASE0, | ||
178 | .end = VERSATILE_PCI_MEM_BASE0+VERSATILE_PCI_MEM_BASE0_SIZE-1, | ||
179 | .flags = IORESOURCE_IO, | ||
180 | }; | ||
181 | |||
182 | static struct resource non_mem = { | ||
183 | .name = "PCI non-prefetchable", | ||
184 | .start = VERSATILE_PCI_MEM_BASE1, | ||
185 | .end = VERSATILE_PCI_MEM_BASE1+VERSATILE_PCI_MEM_BASE1_SIZE-1, | ||
186 | .flags = IORESOURCE_MEM, | ||
187 | }; | ||
188 | |||
189 | static struct resource pre_mem = { | ||
190 | .name = "PCI prefetchable", | ||
191 | .start = VERSATILE_PCI_MEM_BASE2, | ||
192 | .end = VERSATILE_PCI_MEM_BASE2+VERSATILE_PCI_MEM_BASE2_SIZE-1, | ||
193 | .flags = IORESOURCE_MEM | IORESOURCE_PREFETCH, | ||
194 | }; | ||
195 | |||
196 | static int __init pci_versatile_setup_resources(struct resource **resource) | ||
197 | { | ||
198 | int ret = 0; | ||
199 | |||
200 | ret = request_resource(&iomem_resource, &io_mem); | ||
201 | if (ret) { | ||
202 | printk(KERN_ERR "PCI: unable to allocate I/O " | ||
203 | "memory region (%d)\n", ret); | ||
204 | goto out; | ||
205 | } | ||
206 | ret = request_resource(&iomem_resource, &non_mem); | ||
207 | if (ret) { | ||
208 | printk(KERN_ERR "PCI: unable to allocate non-prefetchable " | ||
209 | "memory region (%d)\n", ret); | ||
210 | goto release_io_mem; | ||
211 | } | ||
212 | ret = request_resource(&iomem_resource, &pre_mem); | ||
213 | if (ret) { | ||
214 | printk(KERN_ERR "PCI: unable to allocate prefetchable " | ||
215 | "memory region (%d)\n", ret); | ||
216 | goto release_non_mem; | ||
217 | } | ||
218 | |||
219 | /* | ||
220 | * bus->resource[0] is the IO resource for this bus | ||
221 | * bus->resource[1] is the mem resource for this bus | ||
222 | * bus->resource[2] is the prefetch mem resource for this bus | ||
223 | */ | ||
224 | resource[0] = &io_mem; | ||
225 | resource[1] = &non_mem; | ||
226 | resource[2] = &pre_mem; | ||
227 | |||
228 | goto out; | ||
229 | |||
230 | release_non_mem: | ||
231 | release_resource(&non_mem); | ||
232 | release_io_mem: | ||
233 | release_resource(&io_mem); | ||
234 | out: | ||
235 | return ret; | ||
236 | } | ||
237 | |||
238 | int __init pci_versatile_setup(int nr, struct pci_sys_data *sys) | ||
239 | { | ||
240 | int ret = 0; | ||
241 | int i; | ||
242 | int myslot = -1; | ||
243 | unsigned long val; | ||
244 | |||
245 | if (nr == 0) { | ||
246 | sys->mem_offset = 0; | ||
247 | ret = pci_versatile_setup_resources(sys->resource); | ||
248 | if (ret < 0) { | ||
249 | printk("pci_versatile_setup: resources... oops?\n"); | ||
250 | goto out; | ||
251 | } | ||
252 | } else { | ||
253 | printk("pci_versatile_setup: resources... nr == 0??\n"); | ||
254 | goto out; | ||
255 | } | ||
256 | |||
257 | __raw_writel(VERSATILE_PCI_MEM_BASE0 >> 28,PCI_IMAP0); | ||
258 | __raw_writel(VERSATILE_PCI_MEM_BASE1 >> 28,PCI_IMAP1); | ||
259 | __raw_writel(VERSATILE_PCI_MEM_BASE2 >> 28,PCI_IMAP2); | ||
260 | |||
261 | __raw_writel(1, SYS_PCICTL); | ||
262 | |||
263 | val = __raw_readl(SYS_PCICTL); | ||
264 | if (!(val & 1)) { | ||
265 | printk("Not plugged into PCI backplane!\n"); | ||
266 | ret = -EIO; | ||
267 | goto out; | ||
268 | } | ||
269 | |||
270 | /* | ||
271 | * We need to discover the PCI core first to configure itself | ||
272 | * before the main PCI probing is performed | ||
273 | */ | ||
274 | for (i=0; i<32; i++) { | ||
275 | if ((__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+DEVICE_ID_OFFSET) == VP_PCI_DEVICE_ID) && | ||
276 | (__raw_readl(VERSATILE_PCI_VIRT_BASE+(i<<11)+CLASS_ID_OFFSET) == VP_PCI_CLASS_ID)) { | ||
277 | myslot = i; | ||
278 | |||
279 | __raw_writel(myslot, PCI_SELFID); | ||
280 | val = __raw_readl(VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); | ||
281 | val |= (1<<2); | ||
282 | __raw_writel(val, VERSATILE_PCI_CFG_VIRT_BASE+(myslot<<11)+CSR_OFFSET); | ||
283 | break; | ||
284 | } | ||
285 | } | ||
286 | |||
287 | if (myslot == -1) { | ||
288 | printk("Cannot find PCI core!\n"); | ||
289 | ret = -EIO; | ||
290 | } else { | ||
291 | printk("PCI core found (slot %d)\n",myslot); | ||
292 | /* Do not to map Versatile FPGA PCI device | ||
293 | into memory space as we are short of | ||
294 | mappable memory */ | ||
295 | pci_slot_ignore |= (1 << myslot); | ||
296 | ret = 1; | ||
297 | } | ||
298 | |||
299 | out: | ||
300 | return ret; | ||
301 | } | ||
302 | |||
303 | |||
304 | struct pci_bus *pci_versatile_scan_bus(int nr, struct pci_sys_data *sys) | ||
305 | { | ||
306 | return pci_scan_bus(sys->busnr, &pci_versatile_ops, sys); | ||
307 | } | ||
308 | |||
309 | /* | ||
310 | * V3_LB_BASE? - local bus address | ||
311 | * V3_LB_MAP? - pci bus address | ||
312 | */ | ||
313 | void __init pci_versatile_preinit(void) | ||
314 | { | ||
315 | } | ||
316 | |||
317 | void __init pci_versatile_postinit(void) | ||
318 | { | ||
319 | } | ||
320 | |||
321 | |||
322 | /* | ||
323 | * map the specified device/slot/pin to an IRQ. Different backplanes may need to modify this. | ||
324 | */ | ||
325 | static int __init versatile_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | ||
326 | { | ||
327 | int irq; | ||
328 | int devslot = PCI_SLOT(dev->devfn); | ||
329 | |||
330 | /* slot, pin, irq | ||
331 | 24 1 27 | ||
332 | 25 1 28 untested | ||
333 | 26 1 29 | ||
334 | 27 1 30 untested | ||
335 | */ | ||
336 | |||
337 | irq = 27 + ((slot + pin + 2) % 3); /* Fudged */ | ||
338 | |||
339 | printk("map irq: slot %d, pin %d, devslot %d, irq: %d\n",slot,pin,devslot,irq); | ||
340 | |||
341 | return irq; | ||
342 | } | ||
343 | |||
344 | static struct hw_pci versatile_pci __initdata = { | ||
345 | .swizzle = NULL, | ||
346 | .map_irq = versatile_map_irq, | ||
347 | .nr_controllers = 1, | ||
348 | .setup = pci_versatile_setup, | ||
349 | .scan = pci_versatile_scan_bus, | ||
350 | .preinit = pci_versatile_preinit, | ||
351 | .postinit = pci_versatile_postinit, | ||
352 | }; | ||
353 | |||
354 | static int __init versatile_pci_init(void) | ||
355 | { | ||
356 | pci_common_init(&versatile_pci); | ||
357 | return 0; | ||
358 | } | ||
359 | |||
360 | subsys_initcall(versatile_pci_init); | ||
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 3fefb43c67f7..95606b4a3ba6 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig | |||
@@ -62,7 +62,7 @@ config CPU_ARM720T | |||
62 | # ARM920T | 62 | # ARM920T |
63 | config CPU_ARM920T | 63 | config CPU_ARM920T |
64 | bool "Support ARM920T processor" if !ARCH_S3C2410 | 64 | bool "Support ARM920T processor" if !ARCH_S3C2410 |
65 | depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX | 65 | depends on ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 |
66 | default y if ARCH_S3C2410 | 66 | default y if ARCH_S3C2410 |
67 | select CPU_32v4 | 67 | select CPU_32v4 |
68 | select CPU_ABRT_EV4T | 68 | select CPU_ABRT_EV4T |
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index a8c00236bd3d..27d041574ea7 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c | |||
@@ -30,8 +30,6 @@ | |||
30 | 30 | ||
31 | static DEFINE_SPINLOCK(v6_lock); | 31 | static DEFINE_SPINLOCK(v6_lock); |
32 | 32 | ||
33 | #define DCACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) | ||
34 | |||
35 | /* | 33 | /* |
36 | * Copy the user page. No aliasing to deal with so we can just | 34 | * Copy the user page. No aliasing to deal with so we can just |
37 | * attack the kernel's existing mapping of these pages. | 35 | * attack the kernel's existing mapping of these pages. |
@@ -55,7 +53,7 @@ void v6_clear_user_page_nonaliasing(void *kaddr, unsigned long vaddr) | |||
55 | */ | 53 | */ |
56 | void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr) | 54 | void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vaddr) |
57 | { | 55 | { |
58 | unsigned int offset = DCACHE_COLOUR(vaddr); | 56 | unsigned int offset = CACHE_COLOUR(vaddr); |
59 | unsigned long from, to; | 57 | unsigned long from, to; |
60 | 58 | ||
61 | /* | 59 | /* |
@@ -95,7 +93,7 @@ void v6_copy_user_page_aliasing(void *kto, const void *kfrom, unsigned long vadd | |||
95 | */ | 93 | */ |
96 | void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) | 94 | void v6_clear_user_page_aliasing(void *kaddr, unsigned long vaddr) |
97 | { | 95 | { |
98 | unsigned int offset = DCACHE_COLOUR(vaddr); | 96 | unsigned int offset = CACHE_COLOUR(vaddr); |
99 | unsigned long to = to_address + (offset << PAGE_SHIFT); | 97 | unsigned long to = to_address + (offset << PAGE_SHIFT); |
100 | 98 | ||
101 | /* | 99 | /* |
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 01967ddeef53..be4ab3d73c91 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c | |||
@@ -77,9 +77,8 @@ no_pmd: | |||
77 | } | 77 | } |
78 | 78 | ||
79 | static void | 79 | static void |
80 | make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, int dirty) | 80 | make_coherent(struct address_space *mapping, struct vm_area_struct *vma, unsigned long addr, unsigned long pfn) |
81 | { | 81 | { |
82 | struct address_space *mapping = page_mapping(page); | ||
83 | struct mm_struct *mm = vma->vm_mm; | 82 | struct mm_struct *mm = vma->vm_mm; |
84 | struct vm_area_struct *mpnt; | 83 | struct vm_area_struct *mpnt; |
85 | struct prio_tree_iter iter; | 84 | struct prio_tree_iter iter; |
@@ -87,9 +86,6 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, | |||
87 | pgoff_t pgoff; | 86 | pgoff_t pgoff; |
88 | int aliases = 0; | 87 | int aliases = 0; |
89 | 88 | ||
90 | if (!mapping) | ||
91 | return; | ||
92 | |||
93 | pgoff = vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT); | 89 | pgoff = vma->vm_pgoff + ((addr - vma->vm_start) >> PAGE_SHIFT); |
94 | 90 | ||
95 | /* | 91 | /* |
@@ -115,9 +111,11 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, | |||
115 | if (aliases) | 111 | if (aliases) |
116 | adjust_pte(vma, addr); | 112 | adjust_pte(vma, addr); |
117 | else | 113 | else |
118 | flush_cache_page(vma, addr, page_to_pfn(page)); | 114 | flush_cache_page(vma, addr, pfn); |
119 | } | 115 | } |
120 | 116 | ||
117 | void __flush_dcache_page(struct address_space *mapping, struct page *page); | ||
118 | |||
121 | /* | 119 | /* |
122 | * Take care of architecture specific things when placing a new PTE into | 120 | * Take care of architecture specific things when placing a new PTE into |
123 | * a page table, or changing an existing PTE. Basically, there are two | 121 | * a page table, or changing an existing PTE. Basically, there are two |
@@ -134,29 +132,22 @@ make_coherent(struct vm_area_struct *vma, unsigned long addr, struct page *page, | |||
134 | void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) | 132 | void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte) |
135 | { | 133 | { |
136 | unsigned long pfn = pte_pfn(pte); | 134 | unsigned long pfn = pte_pfn(pte); |
135 | struct address_space *mapping; | ||
137 | struct page *page; | 136 | struct page *page; |
138 | 137 | ||
139 | if (!pfn_valid(pfn)) | 138 | if (!pfn_valid(pfn)) |
140 | return; | 139 | return; |
140 | |||
141 | page = pfn_to_page(pfn); | 141 | page = pfn_to_page(pfn); |
142 | if (page_mapping(page)) { | 142 | mapping = page_mapping(page); |
143 | if (mapping) { | ||
143 | int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); | 144 | int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); |
144 | 145 | ||
145 | if (dirty) { | 146 | if (dirty) |
146 | /* | 147 | __flush_dcache_page(mapping, page); |
147 | * This is our first userspace mapping of this page. | ||
148 | * Ensure that the physical page is coherent with | ||
149 | * the kernel mapping. | ||
150 | * | ||
151 | * FIXME: only need to do this on VIVT and aliasing | ||
152 | * VIPT cache architectures. We can do that | ||
153 | * by choosing whether to set this bit... | ||
154 | */ | ||
155 | __cpuc_flush_dcache_page(page_address(page)); | ||
156 | } | ||
157 | 148 | ||
158 | if (cache_is_vivt()) | 149 | if (cache_is_vivt()) |
159 | make_coherent(vma, addr, page, dirty); | 150 | make_coherent(mapping, vma, addr, pfn); |
160 | } | 151 | } |
161 | } | 152 | } |
162 | 153 | ||
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 4085ed983e46..191788fb18d1 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c | |||
@@ -37,13 +37,8 @@ static void flush_pfn_alias(unsigned long pfn, unsigned long vaddr) | |||
37 | #define flush_pfn_alias(pfn,vaddr) do { } while (0) | 37 | #define flush_pfn_alias(pfn,vaddr) do { } while (0) |
38 | #endif | 38 | #endif |
39 | 39 | ||
40 | static void __flush_dcache_page(struct address_space *mapping, struct page *page) | 40 | void __flush_dcache_page(struct address_space *mapping, struct page *page) |
41 | { | 41 | { |
42 | struct mm_struct *mm = current->active_mm; | ||
43 | struct vm_area_struct *mpnt; | ||
44 | struct prio_tree_iter iter; | ||
45 | pgoff_t pgoff; | ||
46 | |||
47 | /* | 42 | /* |
48 | * Writeback any data associated with the kernel mapping of this | 43 | * Writeback any data associated with the kernel mapping of this |
49 | * page. This ensures that data in the physical page is mutually | 44 | * page. This ensures that data in the physical page is mutually |
@@ -52,24 +47,21 @@ static void __flush_dcache_page(struct address_space *mapping, struct page *page | |||
52 | __cpuc_flush_dcache_page(page_address(page)); | 47 | __cpuc_flush_dcache_page(page_address(page)); |
53 | 48 | ||
54 | /* | 49 | /* |
55 | * If there's no mapping pointer here, then this page isn't | 50 | * If this is a page cache page, and we have an aliasing VIPT cache, |
56 | * visible to userspace yet, so there are no cache lines | 51 | * we only need to do one flush - which would be at the relevant |
57 | * associated with any other aliases. | ||
58 | */ | ||
59 | if (!mapping) | ||
60 | return; | ||
61 | |||
62 | /* | ||
63 | * This is a page cache page. If we have a VIPT cache, we | ||
64 | * only need to do one flush - which would be at the relevant | ||
65 | * userspace colour, which is congruent with page->index. | 52 | * userspace colour, which is congruent with page->index. |
66 | */ | 53 | */ |
67 | if (cache_is_vipt()) { | 54 | if (mapping && cache_is_vipt_aliasing()) |
68 | if (cache_is_vipt_aliasing()) | 55 | flush_pfn_alias(page_to_pfn(page), |
69 | flush_pfn_alias(page_to_pfn(page), | 56 | page->index << PAGE_CACHE_SHIFT); |
70 | page->index << PAGE_CACHE_SHIFT); | 57 | } |
71 | return; | 58 | |
72 | } | 59 | static void __flush_dcache_aliases(struct address_space *mapping, struct page *page) |
60 | { | ||
61 | struct mm_struct *mm = current->active_mm; | ||
62 | struct vm_area_struct *mpnt; | ||
63 | struct prio_tree_iter iter; | ||
64 | pgoff_t pgoff; | ||
73 | 65 | ||
74 | /* | 66 | /* |
75 | * There are possible user space mappings of this page: | 67 | * There are possible user space mappings of this page: |
@@ -116,12 +108,12 @@ void flush_dcache_page(struct page *page) | |||
116 | { | 108 | { |
117 | struct address_space *mapping = page_mapping(page); | 109 | struct address_space *mapping = page_mapping(page); |
118 | 110 | ||
119 | if (cache_is_vipt_nonaliasing()) | ||
120 | return; | ||
121 | |||
122 | if (mapping && !mapping_mapped(mapping)) | 111 | if (mapping && !mapping_mapped(mapping)) |
123 | set_bit(PG_dcache_dirty, &page->flags); | 112 | set_bit(PG_dcache_dirty, &page->flags); |
124 | else | 113 | else { |
125 | __flush_dcache_page(mapping, page); | 114 | __flush_dcache_page(mapping, page); |
115 | if (mapping && cache_is_vivt()) | ||
116 | __flush_dcache_aliases(mapping, page); | ||
117 | } | ||
126 | } | 118 | } |
127 | EXPORT_SYMBOL(flush_dcache_page); | 119 | EXPORT_SYMBOL(flush_dcache_page); |
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index 00bb8fd37a59..7110e54182b1 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c | |||
@@ -170,3 +170,50 @@ void __iounmap(void __iomem *addr) | |||
170 | vfree((void *) (PAGE_MASK & (unsigned long) addr)); | 170 | vfree((void *) (PAGE_MASK & (unsigned long) addr)); |
171 | } | 171 | } |
172 | EXPORT_SYMBOL(__iounmap); | 172 | EXPORT_SYMBOL(__iounmap); |
173 | |||
174 | #ifdef __io | ||
175 | void __iomem *ioport_map(unsigned long port, unsigned int nr) | ||
176 | { | ||
177 | return __io(port); | ||
178 | } | ||
179 | EXPORT_SYMBOL(ioport_map); | ||
180 | |||
181 | void ioport_unmap(void __iomem *addr) | ||
182 | { | ||
183 | } | ||
184 | EXPORT_SYMBOL(ioport_unmap); | ||
185 | #endif | ||
186 | |||
187 | #ifdef CONFIG_PCI | ||
188 | #include <linux/pci.h> | ||
189 | #include <linux/ioport.h> | ||
190 | |||
191 | void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) | ||
192 | { | ||
193 | unsigned long start = pci_resource_start(dev, bar); | ||
194 | unsigned long len = pci_resource_len(dev, bar); | ||
195 | unsigned long flags = pci_resource_flags(dev, bar); | ||
196 | |||
197 | if (!len || !start) | ||
198 | return NULL; | ||
199 | if (maxlen && len > maxlen) | ||
200 | len = maxlen; | ||
201 | if (flags & IORESOURCE_IO) | ||
202 | return ioport_map(start, len); | ||
203 | if (flags & IORESOURCE_MEM) { | ||
204 | if (flags & IORESOURCE_CACHEABLE) | ||
205 | return ioremap(start, len); | ||
206 | return ioremap_nocache(start, len); | ||
207 | } | ||
208 | return NULL; | ||
209 | } | ||
210 | EXPORT_SYMBOL(pci_iomap); | ||
211 | |||
212 | void pci_iounmap(struct pci_dev *dev, void __iomem *addr) | ||
213 | { | ||
214 | if ((unsigned long)addr >= VMALLOC_START && | ||
215 | (unsigned long)addr < VMALLOC_END) | ||
216 | iounmap(addr); | ||
217 | } | ||
218 | EXPORT_SYMBOL(pci_iounmap); | ||
219 | #endif | ||
diff --git a/drivers/char/watchdog/ixp2000_wdt.c b/drivers/char/watchdog/ixp2000_wdt.c index ab659d37b4d2..4e98c215e5b1 100644 --- a/drivers/char/watchdog/ixp2000_wdt.c +++ b/drivers/char/watchdog/ixp2000_wdt.c | |||
@@ -192,7 +192,12 @@ static struct miscdevice ixp2000_wdt_miscdev = | |||
192 | 192 | ||
193 | static int __init ixp2000_wdt_init(void) | 193 | static int __init ixp2000_wdt_init(void) |
194 | { | 194 | { |
195 | wdt_tick_rate = (*IXP2000_T1_CLD * HZ)/ 256;; | 195 | if ((*IXP2000_PRODUCT_ID & 0x001ffef0) == 0x00000000) { |
196 | printk(KERN_INFO "Unable to use IXP2000 watchdog due to IXP2800 erratum #25.\n"); | ||
197 | return -EIO; | ||
198 | } | ||
199 | |||
200 | wdt_tick_rate = (*IXP2000_T1_CLD * HZ) / 256; | ||
196 | 201 | ||
197 | return misc_register(&ixp2000_wdt_miscdev); | 202 | return misc_register(&ixp2000_wdt_miscdev); |
198 | } | 203 | } |
diff --git a/include/asm-arm/arch-aaec2000/aaec2000.h b/include/asm-arm/arch-aaec2000/aaec2000.h new file mode 100644 index 000000000000..0e9b7e18af05 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/aaec2000.h | |||
@@ -0,0 +1,151 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/aaec2000.h | ||
3 | * | ||
4 | * AAEC-2000 registers definition | ||
5 | * | ||
6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #ifndef __ASM_ARCH_AAEC2000_H | ||
14 | #define __ASM_ARCH_AAEC2000_H | ||
15 | |||
16 | #ifndef __ASM_ARCH_HARDWARE_H | ||
17 | #error You must include hardware.h not this file | ||
18 | #endif /* __ASM_ARCH_HARDWARE_H */ | ||
19 | |||
20 | /* Interrupt controller */ | ||
21 | #define IRQ_BASE __REG(0x80000500) | ||
22 | #define IRQ_INTSR __REG(0x80000500) /* Int Status Register */ | ||
23 | #define IRQ_INTRSR __REG(0x80000504) /* Int Raw (unmasked) Status */ | ||
24 | #define IRQ_INTENS __REG(0x80000508) /* Int Enable Set */ | ||
25 | #define IRQ_INTENC __REG(0x8000050c) /* Int Enable Clear */ | ||
26 | |||
27 | /* UART 1 */ | ||
28 | #define UART1_BASE __REG(0x80000600) | ||
29 | #define UART1_DR __REG(0x80000600) /* Data/FIFO Register */ | ||
30 | #define UART1_LCR __REG(0x80000604) /* Link Control Register */ | ||
31 | #define UART1_BRCR __REG(0x80000608) /* Baud Rate Control Register */ | ||
32 | #define UART1_CR __REG(0x8000060c) /* Control Register */ | ||
33 | #define UART1_SR __REG(0x80000610) /* Status Register */ | ||
34 | #define UART1_INT __REG(0x80000614) /* Interrupt Status Register */ | ||
35 | #define UART1_INTM __REG(0x80000618) /* Interrupt Mask Register */ | ||
36 | #define UART1_INTRES __REG(0x8000061c) /* Int Result (masked status) Register */ | ||
37 | |||
38 | /* UART 2 */ | ||
39 | #define UART2_BASE __REG(0x80000700) | ||
40 | #define UART2_DR __REG(0x80000700) /* Data/FIFO Register */ | ||
41 | #define UART2_LCR __REG(0x80000704) /* Link Control Register */ | ||
42 | #define UART2_BRCR __REG(0x80000708) /* Baud Rate Control Register */ | ||
43 | #define UART2_CR __REG(0x8000070c) /* Control Register */ | ||
44 | #define UART2_SR __REG(0x80000710) /* Status Register */ | ||
45 | #define UART2_INT __REG(0x80000714) /* Interrupt Status Register */ | ||
46 | #define UART2_INTM __REG(0x80000718) /* Interrupt Mask Register */ | ||
47 | #define UART2_INTRES __REG(0x8000071c) /* Int Result (masked status) Register */ | ||
48 | |||
49 | /* UART 3 */ | ||
50 | #define UART3_BASE __REG(0x80000800) | ||
51 | #define UART3_DR __REG(0x80000800) /* Data/FIFO Register */ | ||
52 | #define UART3_LCR __REG(0x80000804) /* Link Control Register */ | ||
53 | #define UART3_BRCR __REG(0x80000808) /* Baud Rate Control Register */ | ||
54 | #define UART3_CR __REG(0x8000080c) /* Control Register */ | ||
55 | #define UART3_SR __REG(0x80000810) /* Status Register */ | ||
56 | #define UART3_INT __REG(0x80000814) /* Interrupt Status Register */ | ||
57 | #define UART3_INTM __REG(0x80000818) /* Interrupt Mask Register */ | ||
58 | #define UART3_INTRES __REG(0x8000081c) /* Int Result (masked status) Register */ | ||
59 | |||
60 | /* These are used in some places */ | ||
61 | #define _UART1_BASE __PREG(UART1_BASE) | ||
62 | #define _UART2_BASE __PREG(UART2_BASE) | ||
63 | #define _UART3_BASE __PREG(UART3_BASE) | ||
64 | |||
65 | /* UART Registers Offsets */ | ||
66 | #define UART_DR 0x00 | ||
67 | #define UART_LCR 0x04 | ||
68 | #define UART_BRCR 0x08 | ||
69 | #define UART_CR 0x0c | ||
70 | #define UART_SR 0x10 | ||
71 | #define UART_INT 0x14 | ||
72 | #define UART_INTM 0x18 | ||
73 | #define UART_INTRES 0x1c | ||
74 | |||
75 | /* UART_LCR Bitmask */ | ||
76 | #define UART_LCR_BRK (1 << 0) /* Send Break */ | ||
77 | #define UART_LCR_PEN (1 << 1) /* Parity Enable */ | ||
78 | #define UART_LCR_EP (1 << 2) /* Even/Odd Parity */ | ||
79 | #define UART_LCR_S2 (1 << 3) /* One/Two Stop bits */ | ||
80 | #define UART_LCR_FIFO (1 << 4) /* FIFO Enable */ | ||
81 | #define UART_LCR_WL5 (0 << 5) /* Word Length - 5 bits */ | ||
82 | #define UART_LCR_WL6 (1 << 5) /* Word Length - 6 bits */ | ||
83 | #define UART_LCR_WL7 (1 << 6) /* Word Length - 7 bits */ | ||
84 | #define UART_LCR_WL8 (1 << 7) /* Word Length - 8 bits */ | ||
85 | |||
86 | /* UART_CR Bitmask */ | ||
87 | #define UART_CR_EN (1 << 0) /* UART Enable */ | ||
88 | #define UART_CR_SIR (1 << 1) /* IrDA SIR Enable */ | ||
89 | #define UART_CR_SIRLP (1 << 2) /* Low Power IrDA Enable */ | ||
90 | #define UART_CR_RXP (1 << 3) /* Receive Pin Polarity */ | ||
91 | #define UART_CR_TXP (1 << 4) /* Transmit Pin Polarity */ | ||
92 | #define UART_CR_MXP (1 << 5) /* Modem Pin Polarity */ | ||
93 | #define UART_CR_LOOP (1 << 6) /* Loopback Mode */ | ||
94 | |||
95 | /* UART_SR Bitmask */ | ||
96 | #define UART_SR_CTS (1 << 0) /* Clear To Send Status */ | ||
97 | #define UART_SR_DSR (1 << 1) /* Data Set Ready Status */ | ||
98 | #define UART_SR_DCD (1 << 2) /* Data Carrier Detect Status */ | ||
99 | #define UART_SR_TxBSY (1 << 3) /* Transmitter Busy Status */ | ||
100 | #define UART_SR_RxFE (1 << 4) /* Receive FIFO Empty Status */ | ||
101 | #define UART_SR_TxFF (1 << 5) /* Transmit FIFO Full Status */ | ||
102 | #define UART_SR_RxFF (1 << 6) /* Receive FIFO Full Status */ | ||
103 | #define UART_SR_TxFE (1 << 7) /* Transmit FIFO Empty Status */ | ||
104 | |||
105 | /* UART_INT Bitmask */ | ||
106 | #define UART_INT_RIS (1 << 0) /* Rx Interrupt */ | ||
107 | #define UART_INT_TIS (1 << 1) /* Tx Interrupt */ | ||
108 | #define UART_INT_MIS (1 << 2) /* Modem Interrupt */ | ||
109 | #define UART_INT_RTIS (1 << 3) /* Receive Timeout Interrupt */ | ||
110 | |||
111 | /* Timer 1 */ | ||
112 | #define TIMER1_BASE __REG(0x80000c00) | ||
113 | #define TIMER1_LOAD __REG(0x80000c00) /* Timer 1 Load Register */ | ||
114 | #define TIMER1_VAL __REG(0x80000c04) /* Timer 1 Value Register */ | ||
115 | #define TIMER1_CTRL __REG(0x80000c08) /* Timer 1 Control Register */ | ||
116 | #define TIMER1_CLEAR __REG(0x80000c0c) /* Timer 1 Clear Register */ | ||
117 | |||
118 | /* Timer 2 */ | ||
119 | #define TIMER2_BASE __REG(0x80000d00) | ||
120 | #define TIMER2_LOAD __REG(0x80000d00) /* Timer 2 Load Register */ | ||
121 | #define TIMER2_VAL __REG(0x80000d04) /* Timer 2 Value Register */ | ||
122 | #define TIMER2_CTRL __REG(0x80000d08) /* Timer 2 Control Register */ | ||
123 | #define TIMER2_CLEAR __REG(0x80000d0c) /* Timer 2 Clear Register */ | ||
124 | |||
125 | /* Timer 3 */ | ||
126 | #define TIMER3_BASE __REG(0x80000e00) | ||
127 | #define TIMER3_LOAD __REG(0x80000e00) /* Timer 3 Load Register */ | ||
128 | #define TIMER3_VAL __REG(0x80000e04) /* Timer 3 Value Register */ | ||
129 | #define TIMER3_CTRL __REG(0x80000e08) /* Timer 3 Control Register */ | ||
130 | #define TIMER3_CLEAR __REG(0x80000e0c) /* Timer 3 Clear Register */ | ||
131 | |||
132 | /* Timer Control register bits */ | ||
133 | #define TIMER_CTRL_ENABLE (1 << 7) /* Enable (Start° Timer */ | ||
134 | #define TIMER_CTRL_PERIODIC (1 << 6) /* Periodic Running Mode */ | ||
135 | #define TIMER_CTRL_FREE_RUNNING (0 << 6) /* Normal Running Mode */ | ||
136 | #define TIMER_CTRL_CLKSEL_508K (1 << 3) /* 508KHz Clock select (Timer 1, 2) */ | ||
137 | #define TIMER_CTRL_CLKSEL_2K (0 << 3) /* 2KHz Clock Select (Timer 1, 2)*/ | ||
138 | |||
139 | /* Power and State Control */ | ||
140 | #define POWER_BASE __REG(0x80000400) | ||
141 | #define POWER_PWRSR __REG(0x80000400) /* Power Status Register */ | ||
142 | #define POWER_PWRCNT __REG(0x80000404) /* Power/Clock control */ | ||
143 | #define POWER_HALT __REG(0x80000408) /* Power Idle Mode */ | ||
144 | #define POWER_STDBY __REG(0x8000040c) /* Power Standby Mode */ | ||
145 | #define POWER_BLEOI __REG(0x80000410) /* Battery Low End of Interrupt */ | ||
146 | #define POWER_MCEOI __REG(0x80000414) /* Media Changed EoI */ | ||
147 | #define POWER_TEOI __REG(0x80000418) /* Tick EoI */ | ||
148 | #define POWER_STFCLR __REG(0x8000041c) /* NbFlg, RSTFlg, PFFlg, CLDFlg Clear */ | ||
149 | #define POWER_CLKSET __REG(0x80000420) /* Clock Speed Control */ | ||
150 | |||
151 | #endif /* __ARM_ARCH_AAEC2000_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/debug-macro.S b/include/asm-arm/arch-aaec2000/debug-macro.S new file mode 100644 index 000000000000..e4f1fa539a74 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/debug-macro.S | |||
@@ -0,0 +1,36 @@ | |||
1 | /* linux/include/asm-arm/arch-aaec2000/debug-macro.S | ||
2 | * | ||
3 | * Debugging macro include header | ||
4 | * | ||
5 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | .macro addruart,rx | ||
13 | mrc p15, 0, \rx, c1, c0 | ||
14 | tst \rx, #1 @ MMU enabled? | ||
15 | moveq \rx, #0x80000000 @ physical | ||
16 | movne \rx, #io_p2v(0x80000000) @ virtual | ||
17 | orr \rx, \rx, #0x00000800 | ||
18 | .endm | ||
19 | |||
20 | .macro senduart,rd,rx | ||
21 | str \rd, [\rx, #0] | ||
22 | .endm | ||
23 | |||
24 | .macro busyuart,rd,rx | ||
25 | 1002: ldr \rd, [\rx, #0x10] | ||
26 | tst \rd, #(1 << 7) | ||
27 | beq 1002b | ||
28 | .endm | ||
29 | |||
30 | .macro waituart,rd,rx | ||
31 | #if 0 | ||
32 | 1001: ldr \rd, [\rx, #0x10] | ||
33 | tst \rd, #(1 << 5) | ||
34 | beq 1001b | ||
35 | #endif | ||
36 | .endm | ||
diff --git a/include/asm-arm/arch-aaec2000/dma.h b/include/asm-arm/arch-aaec2000/dma.h new file mode 100644 index 000000000000..28c890b4a1d3 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/dma.h | |||
@@ -0,0 +1,17 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/dma.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_DMA_H | ||
12 | #define __ASM_ARCH_DMA_H | ||
13 | |||
14 | #define MAX_DMA_ADDRESS 0xffffffff | ||
15 | #define MAX_DMA_CHANNELS 0 | ||
16 | |||
17 | #endif | ||
diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S new file mode 100644 index 000000000000..df31313ab07e --- /dev/null +++ b/include/asm-arm/arch-aaec2000/entry-macro.S | |||
@@ -0,0 +1,33 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/entry-macro.S | ||
3 | * | ||
4 | * Low-level IRQ helper for aaec-2000 based platforms | ||
5 | * | ||
6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | .macro disable_fiq | ||
15 | .endm | ||
16 | |||
17 | .macro get_irqnr_and_base, irqnr, irqstat, base, tmp | ||
18 | mov r4, #0xf8000000 | ||
19 | add r4, r4, #0x00000500 | ||
20 | mov \base, r4 | ||
21 | ldr \irqstat, [\base, #0] | ||
22 | cmp \irqstat, #0 | ||
23 | bne 1001f | ||
24 | ldr \irqnr, =NR_IRQS+1 | ||
25 | b 1003f | ||
26 | 1001: mov \irqnr, #0 | ||
27 | 1002: ands \tmp, \irqstat, #1 | ||
28 | mov \irqstat, \irqstat, LSR #1 | ||
29 | add \irqnr, \irqnr, #1 | ||
30 | beq 1002b | ||
31 | sub \irqnr, \irqnr, #1 | ||
32 | 1003: | ||
33 | .endm | ||
diff --git a/include/asm-arm/arch-aaec2000/hardware.h b/include/asm-arm/arch-aaec2000/hardware.h new file mode 100644 index 000000000000..4c37219e030e --- /dev/null +++ b/include/asm-arm/arch-aaec2000/hardware.h | |||
@@ -0,0 +1,49 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/hardware.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_HARDWARE_H | ||
12 | #define __ASM_ARCH_HARDWARE_H | ||
13 | |||
14 | #include <linux/config.h> | ||
15 | |||
16 | /* The kernel is loaded at physical address 0xf8000000. | ||
17 | * We map the IO space a bit after | ||
18 | */ | ||
19 | #define PIO_APB_BASE 0x80000000 | ||
20 | #define VIO_APB_BASE 0xf8000000 | ||
21 | #define IO_APB_LENGTH 0x2000 | ||
22 | #define PIO_AHB_BASE 0x80002000 | ||
23 | #define VIO_AHB_BASE 0xf8002000 | ||
24 | #define IO_AHB_LENGTH 0x2000 | ||
25 | |||
26 | #define VIO_BASE VIO_APB_BASE | ||
27 | #define PIO_BASE PIO_APB_BASE | ||
28 | |||
29 | #define io_p2v(x) ( (x) - PIO_BASE + VIO_BASE ) | ||
30 | #define io_v2p(x) ( (x) + PIO_BASE - VIO_BASE ) | ||
31 | |||
32 | #ifndef __ASSEMBLY__ | ||
33 | |||
34 | #include <asm/types.h> | ||
35 | |||
36 | /* FIXME: Is it needed to optimize this a la pxa ?? */ | ||
37 | #define __REG(x) (*((volatile u32 *)io_p2v(x))) | ||
38 | #define __PREG(x) (io_v2p((u32)&(x))) | ||
39 | |||
40 | #else /* __ASSEMBLY__ */ | ||
41 | |||
42 | #define __REG(x) io_p2v(x) | ||
43 | #define __PREG(x) io_v2p(x) | ||
44 | |||
45 | #endif | ||
46 | |||
47 | #include "aaec2000.h" | ||
48 | |||
49 | #endif /* __ASM_ARCH_HARDWARE_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/io.h b/include/asm-arm/arch-aaec2000/io.h new file mode 100644 index 000000000000..c58a8d10425a --- /dev/null +++ b/include/asm-arm/arch-aaec2000/io.h | |||
@@ -0,0 +1,19 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/io.h | ||
3 | * | ||
4 | * Copied from asm/arch/sa1100/io.h | ||
5 | */ | ||
6 | #ifndef __ASM_ARM_ARCH_IO_H | ||
7 | #define __ASM_ARM_ARCH_IO_H | ||
8 | |||
9 | #define IO_SPACE_LIMIT 0xffffffff | ||
10 | |||
11 | /* | ||
12 | * We don't actually have real ISA nor PCI buses, but there is so many | ||
13 | * drivers out there that might just work if we fake them... | ||
14 | */ | ||
15 | #define __io(a) ((void __iomem *)(a)) | ||
16 | #define __mem_pci(a) (a) | ||
17 | #define __mem_isa(a) (a) | ||
18 | |||
19 | #endif | ||
diff --git a/include/asm-arm/arch-aaec2000/irqs.h b/include/asm-arm/arch-aaec2000/irqs.h new file mode 100644 index 000000000000..de252220e806 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/irqs.h | |||
@@ -0,0 +1,46 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/irqs.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_IRQS_H | ||
12 | #define __ASM_ARCH_IRQS_H | ||
13 | |||
14 | |||
15 | #define INT_GPIOF0_FIQ 0 /* External GPIO Port F O Fast Interrupt Input */ | ||
16 | #define INT_BL_FIQ 1 /* Battery Low Fast Interrupt */ | ||
17 | #define INT_WE_FIQ 2 /* Watchdog Expired Fast Interrupt */ | ||
18 | #define INT_MV_FIQ 3 /* Media Changed Interrupt */ | ||
19 | #define INT_SC 4 /* Sound Codec Interrupt */ | ||
20 | #define INT_GPIO1 5 /* GPIO Port F Configurable Int 1 */ | ||
21 | #define INT_GPIO2 6 /* GPIO Port F Configurable Int 2 */ | ||
22 | #define INT_GPIO3 7 /* GPIO Port F Configurable Int 3 */ | ||
23 | #define INT_TMR1_OFL 8 /* Timer 1 Overflow Interrupt */ | ||
24 | #define INT_TMR2_OFL 9 /* Timer 2 Overflow Interrupt */ | ||
25 | #define INT_RTC_CM 10 /* RTC Compare Match Interrupt */ | ||
26 | #define INT_TICK 11 /* 64Hz Tick Interrupt */ | ||
27 | #define INT_UART1 12 /* UART1 Interrupt */ | ||
28 | #define INT_UART2 13 /* UART2 & Modem State Changed Interrupt */ | ||
29 | #define INT_LCD 14 /* LCD Interrupt */ | ||
30 | #define INT_SSI 15 /* SSI End of Transfer Interrupt */ | ||
31 | #define INT_UART3 16 /* UART3 Interrupt */ | ||
32 | #define INT_SCI 17 /* SCI Interrupt */ | ||
33 | #define INT_AAC 18 /* Advanced Audio Codec Interrupt */ | ||
34 | #define INT_MMC 19 /* MMC Interrupt */ | ||
35 | #define INT_USB 20 /* USB Interrupt */ | ||
36 | #define INT_DMA 21 /* DMA Interrupt */ | ||
37 | #define INT_TMR3_UOFL 22 /* Timer 3 Underflow Interrupt */ | ||
38 | #define INT_GPIO4 23 /* GPIO Port F Configurable Int 4 */ | ||
39 | #define INT_GPIO5 24 /* GPIO Port F Configurable Int 4 */ | ||
40 | #define INT_GPIO6 25 /* GPIO Port F Configurable Int 4 */ | ||
41 | #define INT_GPIO7 26 /* GPIO Port F Configurable Int 4 */ | ||
42 | #define INT_BMI 27 /* BMI Interrupt */ | ||
43 | |||
44 | #define NR_IRQS (INT_BMI + 1) | ||
45 | |||
46 | #endif /* __ASM_ARCH_IRQS_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/memory.h b/include/asm-arm/arch-aaec2000/memory.h new file mode 100644 index 000000000000..681b6a6171a1 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/memory.h | |||
@@ -0,0 +1,73 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/memory.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_MEMORY_H | ||
12 | #define __ASM_ARCH_MEMORY_H | ||
13 | |||
14 | #include <linux/config.h> | ||
15 | |||
16 | #define PHYS_OFFSET (0xf0000000UL) | ||
17 | |||
18 | #define __virt_to_bus(x) __virt_to_phys(x) | ||
19 | #define __bus_to_virt(x) __phys_to_virt(x) | ||
20 | |||
21 | #ifdef CONFIG_DISCONTIGMEM | ||
22 | |||
23 | /* | ||
24 | * The nodes are the followings: | ||
25 | * | ||
26 | * node 0: 0xf000.0000 - 0xf3ff.ffff | ||
27 | * node 1: 0xf400.0000 - 0xf7ff.ffff | ||
28 | * node 2: 0xf800.0000 - 0xfbff.ffff | ||
29 | * node 3: 0xfc00.0000 - 0xffff.ffff | ||
30 | */ | ||
31 | |||
32 | /* | ||
33 | * Given a kernel address, find the home node of the underlying memory. | ||
34 | */ | ||
35 | #define KVADDR_TO_NID(addr) \ | ||
36 | (((unsigned long)(addr) - PAGE_OFFSET) >> NODE_MAX_MEM_SHIFT) | ||
37 | |||
38 | /* | ||
39 | * Given a page frame number, convert it to a node id. | ||
40 | */ | ||
41 | #define PFN_TO_NID(pfn) \ | ||
42 | (((pfn) - PHYS_PFN_OFFSET) >> (NODE_MAX_MEM_SHIFT - PAGE_SHIFT)) | ||
43 | |||
44 | /* | ||
45 | * Given a kaddr, ADDR_TO_MAPBASE finds the owning node of the memory | ||
46 | * and return the mem_map of that node. | ||
47 | */ | ||
48 | #define ADDR_TO_MAPBASE(kaddr) NODE_MEM_MAP(KVADDR_TO_NID(kaddr)) | ||
49 | |||
50 | /* | ||
51 | * Given a page frame number, find the owning node of the memory | ||
52 | * and return the mem_map of that node. | ||
53 | */ | ||
54 | #define PFN_TO_MAPBASE(pfn) NODE_MEM_MAP(PFN_TO_NID(pfn)) | ||
55 | |||
56 | /* | ||
57 | * Given a kaddr, LOCAL_MEM_MAP finds the owning node of the memory | ||
58 | * and returns the index corresponding to the appropriate page in the | ||
59 | * node's mem_map. | ||
60 | */ | ||
61 | #define LOCAL_MAP_NR(addr) \ | ||
62 | (((unsigned long)(addr) & (NODE_MAX_MEM_SIZE - 1)) >> PAGE_SHIFT) | ||
63 | |||
64 | #define NODE_MAX_MEM_SHIFT 26 | ||
65 | #define NODE_MAX_MEM_SIZE (1 << NODE_MAX_MEM_SHIFT) | ||
66 | |||
67 | #else | ||
68 | |||
69 | #define PFN_TO_NID(addr) (0) | ||
70 | |||
71 | #endif /* CONFIG_DISCONTIGMEM */ | ||
72 | |||
73 | #endif /* __ASM_ARCH_MEMORY_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/param.h b/include/asm-arm/arch-aaec2000/param.h new file mode 100644 index 000000000000..139936c2faf2 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/param.h | |||
@@ -0,0 +1,15 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/param.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_PARAM_H | ||
12 | #define __ASM_ARCH_PARAM_H | ||
13 | |||
14 | #endif /* __ASM_ARCH_PARAM_H */ | ||
15 | |||
diff --git a/include/asm-arm/arch-aaec2000/system.h b/include/asm-arm/arch-aaec2000/system.h new file mode 100644 index 000000000000..08de97b407a8 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/system.h | |||
@@ -0,0 +1,24 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaed2000/system.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_SYSTEM_H | ||
12 | #define __ASM_ARCH_SYSTEM_H | ||
13 | |||
14 | static inline void arch_idle(void) | ||
15 | { | ||
16 | cpu_do_idle(); | ||
17 | } | ||
18 | |||
19 | static inline void arch_reset(char mode) | ||
20 | { | ||
21 | cpu_reset(0); | ||
22 | } | ||
23 | |||
24 | #endif /* __ASM_ARCH_SYSTEM_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/timex.h b/include/asm-arm/arch-aaec2000/timex.h new file mode 100644 index 000000000000..f5708b38fb7f --- /dev/null +++ b/include/asm-arm/arch-aaec2000/timex.h | |||
@@ -0,0 +1,18 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/timex.h | ||
3 | * | ||
4 | * AAEC-2000 Architecture timex specification | ||
5 | * | ||
6 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #ifndef __ASM_ARCH_TIMEX_H | ||
14 | #define __ASM_ARCH_TIMEX_H | ||
15 | |||
16 | #define CLOCK_TICK_RATE 508000 | ||
17 | |||
18 | #endif /* __ASM_ARCH_TIMEX_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/uncompress.h b/include/asm-arm/arch-aaec2000/uncompress.h new file mode 100644 index 000000000000..fff0c94b75c4 --- /dev/null +++ b/include/asm-arm/arch-aaec2000/uncompress.h | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/uncompress.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_UNCOMPRESS_H | ||
12 | #define __ASM_ARCH_UNCOMPRESS_H | ||
13 | |||
14 | #include "hardware.h" | ||
15 | |||
16 | #define UART(x) (*(volatile unsigned long *)(serial_port + (x))) | ||
17 | |||
18 | static void putstr( const char *s ) | ||
19 | { | ||
20 | unsigned long serial_port; | ||
21 | do { | ||
22 | serial_port = _UART3_BASE; | ||
23 | if (UART(UART_CR) & UART_CR_EN) break; | ||
24 | serial_port = _UART1_BASE; | ||
25 | if (UART(UART_CR) & UART_CR_EN) break; | ||
26 | serial_port = _UART2_BASE; | ||
27 | if (UART(UART_CR) & UART_CR_EN) break; | ||
28 | return; | ||
29 | } while (0); | ||
30 | |||
31 | for (; *s; s++) { | ||
32 | /* wait for space in the UART's transmitter */ | ||
33 | while ((UART(UART_SR) & UART_SR_TxFF)); | ||
34 | /* send the character out. */ | ||
35 | UART(UART_DR) = *s; | ||
36 | /* if a LF, also do CR... */ | ||
37 | if (*s == 10) { | ||
38 | while ((UART(UART_SR) & UART_SR_TxFF)); | ||
39 | UART(UART_DR) = 13; | ||
40 | } | ||
41 | } | ||
42 | } | ||
43 | |||
44 | #define arch_decomp_setup() | ||
45 | #define arch_decomp_wdog() | ||
46 | |||
47 | #endif /* __ASM_ARCH_UNCOMPRESS_H */ | ||
diff --git a/include/asm-arm/arch-aaec2000/vmalloc.h b/include/asm-arm/arch-aaec2000/vmalloc.h new file mode 100644 index 000000000000..ecb991e2e4ff --- /dev/null +++ b/include/asm-arm/arch-aaec2000/vmalloc.h | |||
@@ -0,0 +1,16 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-aaec2000/vmalloc.h | ||
3 | * | ||
4 | * Copyright (c) 2005 Nicolas Bellido Y Ortega | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #ifndef __ASM_ARCH_VMALLOC_H | ||
12 | #define __ASM_ARCH_VMALLOC_H | ||
13 | |||
14 | #define VMALLOC_END (PAGE_OFFSET + 0x10000000) | ||
15 | |||
16 | #endif /* __ASM_ARCH_VMALLOC_H */ | ||
diff --git a/include/asm-arm/arch-ixp2000/ixp2000-regs.h b/include/asm-arm/arch-ixp2000/ixp2000-regs.h index 6c56708d0ff0..a1d9e181b10f 100644 --- a/include/asm-arm/arch-ixp2000/ixp2000-regs.h +++ b/include/asm-arm/arch-ixp2000/ixp2000-regs.h | |||
@@ -363,6 +363,7 @@ | |||
363 | #define IXP2000_MIN_REV_MASK 0x0000000F | 363 | #define IXP2000_MIN_REV_MASK 0x0000000F |
364 | #define IXP2000_PROD_ID_MASK 0xFFFFFFFF | 364 | #define IXP2000_PROD_ID_MASK 0xFFFFFFFF |
365 | 365 | ||
366 | #define IXP2000_PRODUCT_ID GLOBAL_REG(0x00) | ||
366 | #define IXP2000_MISC_CONTROL GLOBAL_REG(0x04) | 367 | #define IXP2000_MISC_CONTROL GLOBAL_REG(0x04) |
367 | #define IXP2000_MSF_CLK_CNTRL GLOBAL_REG(0x08) | 368 | #define IXP2000_MSF_CLK_CNTRL GLOBAL_REG(0x08) |
368 | #define IXP2000_RESET0 GLOBAL_REG(0x0c) | 369 | #define IXP2000_RESET0 GLOBAL_REG(0x0c) |
diff --git a/include/asm-arm/arch-versatile/hardware.h b/include/asm-arm/arch-versatile/hardware.h index d5fb4a251e7f..41c1bee342ad 100644 --- a/include/asm-arm/arch-versatile/hardware.h +++ b/include/asm-arm/arch-versatile/hardware.h | |||
@@ -25,19 +25,26 @@ | |||
25 | #include <asm/sizes.h> | 25 | #include <asm/sizes.h> |
26 | #include <asm/arch/platform.h> | 26 | #include <asm/arch/platform.h> |
27 | 27 | ||
28 | // FIXME = PCI settings need to be fixed!!!!! | ||
29 | |||
30 | /* | 28 | /* |
31 | * Similar to above, but for PCI addresses (memory, IO, Config and the | 29 | * PCI space virtual addresses |
32 | * V3 chip itself). WARNING: this has to mirror definitions in platform.h | ||
33 | */ | 30 | */ |
34 | #define PCI_MEMORY_VADDR 0xe8000000 | 31 | #define VERSATILE_PCI_VIRT_BASE 0xe8000000 |
35 | #define PCI_CONFIG_VADDR 0xec000000 | 32 | #define VERSATILE_PCI_CFG_VIRT_BASE 0xe9000000 |
36 | #define PCI_V3_VADDR 0xed000000 | 33 | |
37 | #define PCI_IO_VADDR 0xee000000 | 34 | #if 0 |
35 | #define VERSATILE_PCI_VIRT_MEM_BASE0 0xf4000000 | ||
36 | #define VERSATILE_PCI_VIRT_MEM_BASE1 0xf5000000 | ||
37 | #define VERSATILE_PCI_VIRT_MEM_BASE2 0xf6000000 | ||
38 | |||
39 | #define PCIO_BASE VERSATILE_PCI_VIRT_MEM_BASE0 | ||
40 | #define PCIMEM_BASE VERSATILE_PCI_VIRT_MEM_BASE1 | ||
41 | #endif | ||
42 | |||
43 | /* CIK guesswork */ | ||
44 | #define PCIBIOS_MIN_IO 0x44000000 | ||
45 | #define PCIBIOS_MIN_MEM 0x50000000 | ||
38 | 46 | ||
39 | #define PCIO_BASE PCI_IO_VADDR | 47 | #define pcibios_assign_all_busses() 1 |
40 | #define PCIMEM_BASE PCI_MEMORY_VADDR | ||
41 | 48 | ||
42 | /* macro to get at IO space when running virtually */ | 49 | /* macro to get at IO space when running virtually */ |
43 | #define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) | 50 | #define IO_ADDRESS(x) (((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000) |
diff --git a/include/asm-arm/arch-versatile/io.h b/include/asm-arm/arch-versatile/io.h index dbb7158788fc..9f895bf61494 100644 --- a/include/asm-arm/arch-versatile/io.h +++ b/include/asm-arm/arch-versatile/io.h | |||
@@ -20,7 +20,7 @@ | |||
20 | #ifndef __ASM_ARM_ARCH_IO_H | 20 | #ifndef __ASM_ARM_ARCH_IO_H |
21 | #define __ASM_ARM_ARCH_IO_H | 21 | #define __ASM_ARM_ARCH_IO_H |
22 | 22 | ||
23 | #define IO_SPACE_LIMIT 0xffff | 23 | #define IO_SPACE_LIMIT 0xffffffff |
24 | 24 | ||
25 | #define __io(a) ((void __iomem *)(a)) | 25 | #define __io(a) ((void __iomem *)(a)) |
26 | #define __mem_pci(a) (a) | 26 | #define __mem_pci(a) (a) |
diff --git a/include/asm-arm/arch-versatile/platform.h b/include/asm-arm/arch-versatile/platform.h index a71093e44c58..cbdd9fb96332 100644 --- a/include/asm-arm/arch-versatile/platform.h +++ b/include/asm-arm/arch-versatile/platform.h | |||
@@ -76,7 +76,7 @@ | |||
76 | #define VERSATILE_SYS_NVFLAGSSET_OFFSET 0x38 | 76 | #define VERSATILE_SYS_NVFLAGSSET_OFFSET 0x38 |
77 | #define VERSATILE_SYS_NVFLAGSCLR_OFFSET 0x3C | 77 | #define VERSATILE_SYS_NVFLAGSCLR_OFFSET 0x3C |
78 | #define VERSATILE_SYS_RESETCTL_OFFSET 0x40 | 78 | #define VERSATILE_SYS_RESETCTL_OFFSET 0x40 |
79 | #define VERSATILE_SYS_PICCTL_OFFSET 0x44 | 79 | #define VERSATILE_SYS_PCICTL_OFFSET 0x44 |
80 | #define VERSATILE_SYS_MCI_OFFSET 0x48 | 80 | #define VERSATILE_SYS_MCI_OFFSET 0x48 |
81 | #define VERSATILE_SYS_FLASH_OFFSET 0x4C | 81 | #define VERSATILE_SYS_FLASH_OFFSET 0x4C |
82 | #define VERSATILE_SYS_CLCD_OFFSET 0x50 | 82 | #define VERSATILE_SYS_CLCD_OFFSET 0x50 |
@@ -114,7 +114,7 @@ | |||
114 | #define VERSATILE_SYS_NVFLAGSSET (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSSET_OFFSET) | 114 | #define VERSATILE_SYS_NVFLAGSSET (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSSET_OFFSET) |
115 | #define VERSATILE_SYS_NVFLAGSCLR (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSCLR_OFFSET) | 115 | #define VERSATILE_SYS_NVFLAGSCLR (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSCLR_OFFSET) |
116 | #define VERSATILE_SYS_RESETCTL (VERSATILE_SYS_BASE + VERSATILE_SYS_RESETCTL_OFFSET) | 116 | #define VERSATILE_SYS_RESETCTL (VERSATILE_SYS_BASE + VERSATILE_SYS_RESETCTL_OFFSET) |
117 | #define VERSATILE_SYS_PICCTL (VERSATILE_SYS_BASE + VERSATILE_SYS_PICCTL_OFFSET) | 117 | #define VERSATILE_SYS_PCICTL (VERSATILE_SYS_BASE + VERSATILE_SYS_PCICTL_OFFSET) |
118 | #define VERSATILE_SYS_MCI (VERSATILE_SYS_BASE + VERSATILE_SYS_MCI_OFFSET) | 118 | #define VERSATILE_SYS_MCI (VERSATILE_SYS_BASE + VERSATILE_SYS_MCI_OFFSET) |
119 | #define VERSATILE_SYS_FLASH (VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET) | 119 | #define VERSATILE_SYS_FLASH (VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET) |
120 | #define VERSATILE_SYS_CLCD (VERSATILE_SYS_BASE + VERSATILE_SYS_CLCD_OFFSET) | 120 | #define VERSATILE_SYS_CLCD (VERSATILE_SYS_BASE + VERSATILE_SYS_CLCD_OFFSET) |
@@ -225,7 +225,20 @@ | |||
225 | #define VERSATILE_SSMC_BASE 0x20000000 /* SSMC */ | 225 | #define VERSATILE_SSMC_BASE 0x20000000 /* SSMC */ |
226 | #define VERSATILE_IB2_BASE 0x24000000 /* IB2 module */ | 226 | #define VERSATILE_IB2_BASE 0x24000000 /* IB2 module */ |
227 | #define VERSATILE_MBX_BASE 0x40000000 /* MBX */ | 227 | #define VERSATILE_MBX_BASE 0x40000000 /* MBX */ |
228 | |||
229 | /* PCI space */ | ||
228 | #define VERSATILE_PCI_BASE 0x41000000 /* PCI Interface */ | 230 | #define VERSATILE_PCI_BASE 0x41000000 /* PCI Interface */ |
231 | #define VERSATILE_PCI_CFG_BASE 0x42000000 | ||
232 | #define VERSATILE_PCI_MEM_BASE0 0x44000000 | ||
233 | #define VERSATILE_PCI_MEM_BASE1 0x50000000 | ||
234 | #define VERSATILE_PCI_MEM_BASE2 0x60000000 | ||
235 | /* Sizes of above maps */ | ||
236 | #define VERSATILE_PCI_BASE_SIZE 0x01000000 | ||
237 | #define VERSATILE_PCI_CFG_BASE_SIZE 0x02000000 | ||
238 | #define VERSATILE_PCI_MEM_BASE0_SIZE 0x0c000000 /* 32Mb */ | ||
239 | #define VERSATILE_PCI_MEM_BASE1_SIZE 0x10000000 /* 256Mb */ | ||
240 | #define VERSATILE_PCI_MEM_BASE2_SIZE 0x10000000 /* 256Mb */ | ||
241 | |||
229 | #define VERSATILE_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */ | 242 | #define VERSATILE_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */ |
230 | #define VERSATILE_LT_BASE 0x80000000 /* Logic Tile expansion */ | 243 | #define VERSATILE_LT_BASE 0x80000000 /* Logic Tile expansion */ |
231 | 244 | ||
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h index 09ffeed507c2..035cdcff43d2 100644 --- a/include/asm-arm/cacheflush.h +++ b/include/asm-arm/cacheflush.h | |||
@@ -16,6 +16,9 @@ | |||
16 | 16 | ||
17 | #include <asm/mman.h> | 17 | #include <asm/mman.h> |
18 | #include <asm/glue.h> | 18 | #include <asm/glue.h> |
19 | #include <asm/shmparam.h> | ||
20 | |||
21 | #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) | ||
19 | 22 | ||
20 | /* | 23 | /* |
21 | * Cache Model | 24 | * Cache Model |
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 658ffa384fda..08a46302d265 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h | |||
@@ -273,6 +273,33 @@ extern void __iounmap(void __iomem *addr); | |||
273 | #endif | 273 | #endif |
274 | 274 | ||
275 | /* | 275 | /* |
276 | * io{read,write}{8,16,32} macros | ||
277 | */ | ||
278 | #define ioread8(p) ({ unsigned int __v = __raw_readb(p); __v; }) | ||
279 | #define ioread16(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(p)); __v; }) | ||
280 | #define ioread32(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(p)); __v; }) | ||
281 | |||
282 | #define iowrite8(v,p) __raw_writeb(v, p) | ||
283 | #define iowrite16(v,p) __raw_writew(cpu_to_le16(v), p) | ||
284 | #define iowrite32(v,p) __raw_writel(cpu_to_le32(v), p) | ||
285 | |||
286 | #define ioread8_rep(p,d,c) __raw_readsb(p,d,c) | ||
287 | #define ioread16_rep(p,d,c) __raw_readsw(p,d,c) | ||
288 | #define ioread32_rep(p,d,c) __raw_readsl(p,d,c) | ||
289 | |||
290 | #define iowrite8_rep(p,s,c) __raw_writesb(p,s,c) | ||
291 | #define iowrite16_rep(p,s,c) __raw_writesw(p,s,c) | ||
292 | #define iowrite32_rep(p,s,c) __raw_writesl(p,s,c) | ||
293 | |||
294 | extern void __iomem *ioport_map(unsigned long port, unsigned int nr); | ||
295 | extern void ioport_unmap(void __iomem *addr); | ||
296 | |||
297 | struct pci_dev; | ||
298 | |||
299 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen); | ||
300 | extern void pci_iounmap(struct pci_dev *dev, void __iomem *addr); | ||
301 | |||
302 | /* | ||
276 | * can the hardware map this into one segment or not, given no other | 303 | * can the hardware map this into one segment or not, given no other |
277 | * constraints. | 304 | * constraints. |
278 | */ | 305 | */ |