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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /include/asm-arm/arch-ns9xxx/hardware.h
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'include/asm-arm/arch-ns9xxx/hardware.h')
-rw-r--r--include/asm-arm/arch-ns9xxx/hardware.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ns9xxx/hardware.h b/include/asm-arm/arch-ns9xxx/hardware.h
new file mode 100644
index 000000000000..6819da7c48d4
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/hardware.h
@@ -0,0 +1,67 @@
1/*
2 * include/asm-arm/arch-ns9xxx/hardware.h
3 *
4 * Copyright (C) 2006 by Digi International Inc.
5 * All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11#ifndef __ASM_ARCH_HARDWARE_H
12#define __ASM_ARCH_HARDWARE_H
13
14#include <asm/memory.h>
15
16/*
17 * NetSilicon NS9xxx internal mapping:
18 *
19 * physical <--> virtual
20 * 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
21 * 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
22 */
23#define io_p2v(x) (0xf0000000 \
24 + (((x) & 0xf0000000) >> 4) \
25 + ((x) & 0x00ffffff))
26
27#define io_v2p(x) ((((x) & 0x0f000000) << 4) \
28 + ((x) & 0x00ffffff))
29
30#define __REGBIT(bit) ((u32)1 << (bit))
31#define __REGBITS(hbit, lbit) ((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
32#define __REGVAL(mask, value) (((value) * ((mask) & (-(mask))) & (mask)))
33
34#ifndef __ASSEMBLY__
35
36# define __REG(x) (*((volatile u32 *)io_p2v((x))))
37# define __REG2(x, y) (*((volatile u32 *)io_p2v((x)) + (y)))
38
39# define __REGB(x) (*((volatile u8 *)io_p2v((x))))
40# define __REGB2(x) (*((volatile u8 *)io_p2v((x)) + (y)))
41
42# define REGSET(var, reg, field, value) \
43 ((var) = (((var) \
44 & ~(reg ## _ ## field & \
45 ~ reg ## _ ## field ## _ ## value)) \
46 | (reg ## _ ## field ## _ ## value)))
47
48# define REGSETIM(var, reg, field, value) \
49 ((var) = (((var) \
50 & ~(reg ## _ ## field & \
51 ~(__REGVAL(reg ## _ ## field, value)))) \
52 | (__REGVAL(reg ## _ ## field, value))))
53
54# define REGGET(reg, field) \
55 ((reg & (reg ## _ ## field)) / (field & (-field)))
56
57#else
58
59# define __REG(x) io_p2v(x)
60# define __REG2(x, y) io_p2v((x) + (y))
61
62# define __REGB(x) __REG((x))
63# define __REGB2(x, y) __REG2((x), (y))
64
65#endif
66
67#endif /* ifndef __ASM_ARCH_HARDWARE_H */