summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-ns9xxx/hardware.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 13:18:39 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 13:18:39 -0800
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /include/asm-arm/arch-ns9xxx/hardware.h
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
downloadlinux-59b8175c771040afcd4ad67022b0cc80c216b866.tar.gz
linux-59b8175c771040afcd4ad67022b0cc80c216b866.tar.bz2
linux-59b8175c771040afcd4ad67022b0cc80c216b866.zip
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 @@
+/*
+ * include/asm-arm/arch-ns9xxx/hardware.h
+ *
+ * Copyright (C) 2006 by Digi International Inc.
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <asm/memory.h>
+
+/*
+ * NetSilicon NS9xxx internal mapping:
+ *
+ * physical <--> virtual
+ * 0x90000000 - 0x906fffff <--> 0xf9000000 - 0xf96fffff
+ * 0xa0100000 - 0xa0afffff <--> 0xfa100000 - 0xfaafffff
+ */
+#define io_p2v(x) (0xf0000000 \
+ + (((x) & 0xf0000000) >> 4) \
+ + ((x) & 0x00ffffff))
+
+#define io_v2p(x) ((((x) & 0x0f000000) << 4) \
+ + ((x) & 0x00ffffff))
+
+#define __REGBIT(bit) ((u32)1 << (bit))
+#define __REGBITS(hbit, lbit) ((((u32)1 << ((hbit) - (lbit) + 1)) - 1) << (lbit))
+#define __REGVAL(mask, value) (((value) * ((mask) & (-(mask))) & (mask)))
+
+#ifndef __ASSEMBLY__
+
+# define __REG(x) (*((volatile u32 *)io_p2v((x))))
+# define __REG2(x, y) (*((volatile u32 *)io_p2v((x)) + (y)))
+
+# define __REGB(x) (*((volatile u8 *)io_p2v((x))))
+# define __REGB2(x) (*((volatile u8 *)io_p2v((x)) + (y)))
+
+# define REGSET(var, reg, field, value) \
+ ((var) = (((var) \
+ & ~(reg ## _ ## field & \
+ ~ reg ## _ ## field ## _ ## value)) \
+ | (reg ## _ ## field ## _ ## value)))
+
+# define REGSETIM(var, reg, field, value) \
+ ((var) = (((var) \
+ & ~(reg ## _ ## field & \
+ ~(__REGVAL(reg ## _ ## field, value)))) \
+ | (__REGVAL(reg ## _ ## field, value))))
+
+# define REGGET(reg, field) \
+ ((reg & (reg ## _ ## field)) / (field & (-field)))
+
+#else
+
+# define __REG(x) io_p2v(x)
+# define __REG2(x, y) io_p2v((x) + (y))
+
+# define __REGB(x) __REG((x))
+# define __REGB2(x, y) __REG2((x), (y))
+
+#endif
+
+#endif /* ifndef __ASM_ARCH_HARDWARE_H */