Merge NetSilicon NS93xx tree

Fixed conflicts:

	arch/arm/Makefile
	arch/arm/mm/Kconfig

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

18 files changed, 772 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ns9xxx/board.h b/include/asm-arm/arch-ns9xxx/board.h
new file mode 100644
index 000000000000..91dc8fb1027f
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/board.h
@@ -0,0 +1,18 @@
+/*
+ * include/asm-arm/arch-ns9xxx/board.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_BOARD_H
+#define __ASM_ARCH_BOARD_H
+
+#include <asm/mach-types.h>
+
+#define board_is_a9m9750dev()   (machine_is_cc9p9360dev())
+
+#endif /* ifndef __ASM_ARCH_BOARD_H */
diff --git a/include/asm-arm/arch-ns9xxx/clock.h b/include/asm-arm/arch-ns9xxx/clock.h
new file mode 100644
index 000000000000..4371a485db47
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/clock.h
@@ -0,0 +1,37 @@
+/*
+ * include/asm-arm/arch-ns9xxx/clock.h
+ *
+ * Copyright (C) 2007 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_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+static inline u32 ns9xxx_systemclock(void)
+{
+        /*
+         * This should be a multiple of HZ * TIMERCLOCKSELECT (in time.c)
+         */
+        return 353894400;
+}
+
+static inline const u32 ns9xxx_cpuclock(void)
+{
+        return ns9xxx_systemclock() / 2;
+}
+
+static inline const u32 ns9xxx_ahbclock(void)
+{
+        return ns9xxx_systemclock() / 4;
+}
+
+static inline const u32 ns9xxx_bbusclock(void)
+{
+        return ns9xxx_systemclock() / 8;
+}
+
+#endif /* ifndef __ASM_ARCH_CLOCK_H */
diff --git a/include/asm-arm/arch-ns9xxx/debug-macro.S b/include/asm-arm/arch-ns9xxx/debug-macro.S
new file mode 100644
index 000000000000..b21b93eb2dbc
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/debug-macro.S
@@ -0,0 +1,22 @@
+/*
+ * include/asm-arm/arch-ns9xxx/debug-macro.S
+ * 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.
+ */
+#include <asm/hardware.h>
+
+#include <asm/arch-ns9xxx/regs-board-a9m9750dev.h>
+
+                .macro  addruart,rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1
+                ldreq   \rx, =NS9XXX_CSxSTAT_PHYS(0)
+                ldrne   \rx, =io_p2v(NS9XXX_CSxSTAT_PHYS(0))
+                .endm
+
+#define UART_SHIFT      2
+#include <asm/hardware/debug-8250.S>
diff --git a/include/asm-arm/arch-ns9xxx/dma.h b/include/asm-arm/arch-ns9xxx/dma.h
new file mode 100644
index 000000000000..a67cbbe009c4
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/dma.h
@@ -0,0 +1,14 @@
+/*
+ * include/asm-arm/arch-ns9xxx/dma.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_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#endif /* ifndef __ASM_ARCH_DMA_H */
diff --git a/include/asm-arm/arch-ns9xxx/entry-macro.S b/include/asm-arm/arch-ns9xxx/entry-macro.S
new file mode 100644
index 000000000000..467a1986d259
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/entry-macro.S
@@ -0,0 +1,22 @@
+/*
+ * include/asm-arm/arch-ns9xxx/entry-macro.S
+ *
+ * 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.
+ */
+#include <asm/hardware.h>
+#include <asm/arch-ns9xxx/regs-sys.h>
+
+                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+                ldr     \base, =SYS_ISRADDR
+                ldr     \irqstat, [\base, #(SYS_ISA - SYS_ISRADDR)]
+                cmp     \irqstat, #0
+                ldrne   \irqnr, [\base]
+                .endm
+
+                .macro  disable_fiq
+                .endm
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 */
diff --git a/include/asm-arm/arch-ns9xxx/io.h b/include/asm-arm/arch-ns9xxx/io.h
new file mode 100644
index 000000000000..6f82d28af120
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/io.h
@@ -0,0 +1,20 @@
+/*
+ * include/asm-arm/arch-ns9xxx/io.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_IO_H
+#define __ASM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT  0xffffffff /* XXX */
+
+#define __io(a)         ((void __iomem *)(a))
+#define __mem_pci(a)    (a)
+#define __mem_isa(a)    (IO_BASE + (a))
+
+#endif /* ifndef __ASM_ARCH_IO_H */
diff --git a/include/asm-arm/arch-ns9xxx/irqs.h b/include/asm-arm/arch-ns9xxx/irqs.h
new file mode 100644
index 000000000000..25d8d28b27f3
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/irqs.h
@@ -0,0 +1,85 @@
+/*
+ * include/asm-arm/arch-ns9xxx/irqs.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_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+#define IRQ_WATCHDOG    0
+#define IRQ_AHBBUSERR   1
+#define IRQ_BBUSAGG     2
+/* irq 3 is reserved for NS9360 */
+#define IRQ_ETHRX       4
+#define IRQ_ETHTX       5
+#define IRQ_ETHPHY      6
+#define IRQ_LCD         7
+#define IRQ_SERBRX      8
+#define IRQ_SERBTX      9
+#define IRQ_SERARX      10
+#define IRQ_SERATX      11
+#define IRQ_SERCRX      12
+#define IRQ_SERCTX      13
+#define IRQ_I2C         14
+#define IRQ_BBUSDMA     15
+#define IRQ_TIMER0      16
+#define IRQ_TIMER1      17
+#define IRQ_TIMER2      18
+#define IRQ_TIMER3      19
+#define IRQ_TIMER4      20
+#define IRQ_TIMER5      21
+#define IRQ_TIMER6      22
+#define IRQ_TIMER7      23
+#define IRQ_RTC         24
+#define IRQ_USBHOST     25
+#define IRQ_USBDEVICE   26
+#define IRQ_IEEE1284    27
+#define IRQ_EXT0        28
+#define IRQ_EXT1        29
+#define IRQ_EXT2        30
+#define IRQ_EXT3        31
+
+#define BBUS_IRQ(irq)   (32 + irq)
+
+#define IRQ_BBUS_DMA            BBUS_IRQ(0)
+#define IRQ_BBUS_SERBRX         BBUS_IRQ(2)
+#define IRQ_BBUS_SERBTX         BBUS_IRQ(3)
+#define IRQ_BBUS_SERARX         BBUS_IRQ(4)
+#define IRQ_BBUS_SERATX         BBUS_IRQ(5)
+#define IRQ_BBUS_SERCRX         BBUS_IRQ(6)
+#define IRQ_BBUS_SERCTX         BBUS_IRQ(7)
+#define IRQ_BBUS_SERDRX         BBUS_IRQ(8)
+#define IRQ_BBUS_SERDTX         BBUS_IRQ(9)
+#define IRQ_BBUS_I2C            BBUS_IRQ(10)
+#define IRQ_BBUS_1284           BBUS_IRQ(11)
+#define IRQ_BBUS_UTIL           BBUS_IRQ(12)
+#define IRQ_BBUS_RTC            BBUS_IRQ(13)
+#define IRQ_BBUS_USBHST         BBUS_IRQ(14)
+#define IRQ_BBUS_USBDEV         BBUS_IRQ(15)
+#define IRQ_BBUS_AHBDMA1        BBUS_IRQ(24)
+#define IRQ_BBUS_AHBDMA2        BBUS_IRQ(25)
+
+/*
+ * these Interrupts are specific for the a9m9750dev board.
+ * They are generated by an FPGA that interrupts the CPU on
+ * IRQ_EXT2
+ */
+#define FPGA_IRQ(irq)   (64 + irq)
+
+#define IRQ_FPGA_UARTA          FPGA_IRQ(0)
+#define IRQ_FPGA_UARTB          FPGA_IRQ(1)
+#define IRQ_FPGA_UARTC          FPGA_IRQ(2)
+#define IRQ_FPGA_UARTD          FPGA_IRQ(3)
+#define IRQ_FPGA_TOUCH          FPGA_IRQ(4)
+#define IRQ_FPGA_CF             FPGA_IRQ(5)
+#define IRQ_FPGA_CAN0           FPGA_IRQ(6)
+#define IRQ_FPGA_CAN1           FPGA_IRQ(7)
+
+#define NR_IRQS 72
+
+#endif /* __ASM_ARCH_IRQS_H */
diff --git a/include/asm-arm/arch-ns9xxx/memory.h b/include/asm-arm/arch-ns9xxx/memory.h
new file mode 100644
index 000000000000..ce1343e593e1
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/memory.h
@@ -0,0 +1,27 @@
+/*
+ * include/asm-arm/arch-ns9xxx/memory.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_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/* x in [0..3] */
+#define NS9XXX_CSxSTAT_PHYS(x)  UL(((x) + 4) << 28)
+
+#define NS9XXX_CS0STAT_LENGTH   UL(0x1000)
+#define NS9XXX_CS1STAT_LENGTH   UL(0x1000)
+#define NS9XXX_CS2STAT_LENGTH   UL(0x1000)
+#define NS9XXX_CS3STAT_LENGTH   UL(0x1000)
+
+#define PHYS_OFFSET     UL(0x00000000)
+
+#define __virt_to_bus(x) __virt_to_phys(x)
+#define __bus_to_virt(x) __phys_to_virt(x)
+
+#endif
diff --git a/include/asm-arm/arch-ns9xxx/processor.h b/include/asm-arm/arch-ns9xxx/processor.h
new file mode 100644
index 000000000000..716c106ac0bf
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/processor.h
@@ -0,0 +1,18 @@
+/*
+ * include/asm-arm/arch-ns9xxx/processor.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_PROCESSOR_H
+#define __ASM_ARCH_PROCESSOR_H
+
+#include <asm/mach-types.h>
+
+#define processor_is_ns9360()   (machine_is_cc9p9360dev())
+
+#endif /* ifndef __ASM_ARCH_PROCESSOR_H */
diff --git a/include/asm-arm/arch-ns9xxx/regs-bbu.h b/include/asm-arm/arch-ns9xxx/regs-bbu.h
new file mode 100644
index 000000000000..e26269546240
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/regs-bbu.h
@@ -0,0 +1,21 @@
+/*
+ * include/asm-arm/arch-ns9xxx/regs-bbu.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_REGSBBU_H
+#define __ASM_ARCH_REGSBBU_H
+
+#include <asm/hardware.h>
+
+/* BBus Utility */
+
+/* GPIO Configuration Register */
+#define BBU_GC(x)       __REG2(0x9060000c, (x))
+
+#endif /* ifndef __ASM_ARCH_REGSBBU_H */
diff --git a/include/asm-arm/arch-ns9xxx/regs-board-a9m9750dev.h b/include/asm-arm/arch-ns9xxx/regs-board-a9m9750dev.h
new file mode 100644
index 000000000000..c3dc532dd20c
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/regs-board-a9m9750dev.h
@@ -0,0 +1,24 @@
+/*
+ * include/asm-arm/arch-ns9xxx/regs-board-a9m9750dev.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_REGSBOARDA9M9750_H
+#define __ASM_ARCH_REGSBOARDA9M9750_H
+
+#include <asm/hardware.h>
+
+#define FPGA_UARTA_BASE io_p2v(NS9XXX_CSxSTAT_PHYS(0))
+#define FPGA_UARTB_BASE io_p2v(NS9XXX_CSxSTAT_PHYS(0) + 0x08)
+#define FPGA_UARTC_BASE io_p2v(NS9XXX_CSxSTAT_PHYS(0) + 0x10)
+#define FPGA_UARTD_BASE io_p2v(NS9XXX_CSxSTAT_PHYS(0) + 0x18)
+
+#define FPGA_IER        __REGB(NS9XXX_CSxSTAT_PHYS(0) + 0x50)
+#define FPGA_ISR        __REGB(NS9XXX_CSxSTAT_PHYS(0) + 0x60)
+
+#endif /* ifndef __ASM_ARCH_REGSBOARDA9M9750_H */
diff --git a/include/asm-arm/arch-ns9xxx/regs-mem.h b/include/asm-arm/arch-ns9xxx/regs-mem.h
new file mode 100644
index 000000000000..8ed8448767b9
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/regs-mem.h
@@ -0,0 +1,135 @@
+/*
+ * include/asm-arm/arch-ns9xxx/regs-mem.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_REGSMEM_H
+#define __ASM_ARCH_REGSMEM_H
+
+#include <asm/hardware.h>
+
+/* Memory Module */
+
+/* Control register */
+#define MEM_CTRL        __REG(0xa0700000)
+
+/* Status register */
+#define MEM_STAT        __REG(0xa0700004)
+
+/* Configuration register */
+#define MEM_CONF        __REG(0xa0700008)
+
+/* Dynamic Memory Control register */
+#define MEM_DMCTRL      __REG(0xa0700020)
+
+/* Dynamic Memory Refresh Timer */
+#define MEM_DMRT        __REG(0xa0700024)
+
+/* Dynamic Memory Read Configuration register */
+#define MEM_DMRC        __REG(0xa0700028)
+
+/* Dynamic Memory Precharge Command Period (tRP) */
+#define MEM_DMPCP       __REG(0xa0700030)
+
+/* Dynamic Memory Active to Precharge Command Period (tRAS) */
+#define MEM_DMAPCP      __REG(0xa0700034)
+
+/* Dynamic Memory Self-Refresh Exit Time (tSREX) */
+#define MEM_DMSRET      __REG(0xa0700038)
+
+/* Dynamic Memory Last Data Out to Active Time (tAPR) */
+#define MEM_DMLDOAT     __REG(0xa070003c)
+
+/* Dynamic Memory Data-in to Active Command Time (tDAL or TAPW) */
+#define MEM_DMDIACT     __REG(0xa0700040)
+
+/* Dynamic Memory Write Recovery Time (tWR, tDPL, tRWL, tRDL) */
+#define MEM_DMWRT       __REG(0xa0700044)
+
+/* Dynamic Memory Active to Active Command Period (tRC) */
+#define MEM_DMAACP      __REG(0xa0700048)
+
+/* Dynamic Memory Auto Refresh Period, and Auto Refresh to Active Command Period (tRFC) */
+#define MEM_DMARP       __REG(0xa070004c)
+
+/* Dynamic Memory Exit Self-Refresh to Active Command (tXSR) */
+#define MEM_DMESRAC     __REG(0xa0700050)
+
+/* Dynamic Memory Active Bank A to Active B Time (tRRD) */
+#define MEM_DMABAABT    __REG(0xa0700054)
+
+/* Dynamic Memory Load Mode register to Active Command Time (tMRD) */
+#define MEM_DMLMACT     __REG(0xa0700058)
+
+/* Static Memory Extended Wait */
+#define MEM_SMEW        __REG(0xa0700080)
+
+/* Dynamic Memory Configuration Register x */
+#define MEM_DMCONF(x)   __REG2(0xa0700100, (x) << 3)
+
+/* Dynamic Memory RAS and CAS Delay x */
+#define MEM_DMRCD(x)    __REG2(0xa0700104, (x) << 3)
+
+/* Static Memory Configuration Register x */
+#define MEM_SMC(x)      __REG2(0xa0700200, (x) << 3)
+
+/* Static Memory Configuration Register x: Write protect */
+#define MEM_SMC_WSMC            __REGBIT(20)
+#define MEM_SMC_WSMC_OFF                __REGVAL(MEM_SMC_WSMC, 0)
+#define MEM_SMC_WSMC_ON                 __REGVAL(MEM_SMC_WSMC, 1)
+
+/* Static Memory Configuration Register x: Buffer enable */
+#define MEM_SMC_BSMC            __REGBIT(19)
+#define MEM_SMC_BSMC_OFF                __REGVAL(MEM_SMC_BSMC, 0)
+#define MEM_SMC_BSMC_ON                 __REGVAL(MEM_SMC_BSMC, 1)
+
+/* Static Memory Configuration Register x: Extended Wait */
+#define MEM_SMC_EW              __REGBIT(8)
+#define MEM_SMC_EW_OFF                  __REGVAL(MEM_SMC_EW, 0)
+#define MEM_SMC_EW_ON                   __REGVAL(MEM_SMC_EW, 1)
+
+/* Static Memory Configuration Register x: Byte lane state */
+#define MEM_SMC_PB              __REGBIT(7)
+#define MEM_SMC_PB_0                    __REGVAL(MEM_SMC_PB, 0)
+#define MEM_SMC_PB_1                    __REGVAL(MEM_SMC_PB, 1)
+
+/* Static Memory Configuration Register x: Chip select polarity */
+#define MEM_SMC_PC              __REGBIT(6)
+#define MEM_SMC_PC_AL                   __REGVAL(MEM_SMC_PC, 0)
+#define MEM_SMC_PC_AH                   __REGVAL(MEM_SMC_PC, 1)
+
+/* static memory configuration register x: page mode*/
+#define MEM_SMC_PM              __REGBIT(3)
+#define MEM_SMC_PM_DIS                  __REGVAL(MEM_SMC_PM, 0)
+#define MEM_SMC_PM_ASYNC                __REGVAL(MEM_SMC_PM, 1)
+
+/* static memory configuration register x: Memory width */
+#define MEM_SMC_MW              __REGBITS(1, 0)
+#define MEM_SMC_MW_8                    __REGVAL(MEM_SMC_MW, 0)
+#define MEM_SMC_MW_16                   __REGVAL(MEM_SMC_MW, 1)
+#define MEM_SMC_MW_32                   __REGVAL(MEM_SMC_MW, 2)
+
+/* Static Memory Write Enable Delay x */
+#define MEM_SMWED(x)    __REG2(0xa0700204, (x) << 3)
+
+/* Static Memory Output Enable Delay x */
+#define MEM_SMOED(x)    __REG2(0xa0700208, (x) << 3)
+
+/* Static Memory Read Delay x */
+#define MEM_SMRD(x)     __REG2(0xa070020c, (x) << 3)
+
+/* Static Memory Page Mode Read Delay 0 */
+#define MEM_SMPMRD(x)   __REG2(0xa0700210, (x) << 3)
+
+/* Static Memory Write Delay */
+#define MEM_SMWD(x)     __REG2(0xa0700214, (x) << 3)
+
+/* Static Memory Turn Round Delay x */
+#define MEM_SWT(x)      __REG2(0xa0700218, (x) << 3)
+
+#endif /* ifndef __ASM_ARCH_REGSMEM_H */
diff --git a/include/asm-arm/arch-ns9xxx/regs-sys.h b/include/asm-arm/arch-ns9xxx/regs-sys.h
new file mode 100644
index 000000000000..8162a50bb273
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/regs-sys.h
@@ -0,0 +1,157 @@
+/*
+ * include/asm-arm/arch-ns9xxx/regs-sys.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_REGSSYS_H
+#define __ASM_ARCH_REGSSYS_H
+
+#include <asm/hardware.h>
+
+/* System Control Module */
+
+/* AHB Arbiter Gen Configuration */
+#define SYS_AHBAGENCONF __REG(0xa0900000)
+
+/* BRC */
+#define SYS_BRC(x)      __REG2(0xa0900004, (x))
+
+/* Timer x Reload Count register */
+#define SYS_TRC(x)      __REG2(0xa0900044, (x))
+
+/* Timer x Read register */
+#define SYS_TR(x)       __REG2(0xa0900084, (x))
+
+/* Interrupt Vector Address Register Level x */
+#define SYS_IVA(x)      __REG2(0xa09000c4, (x))
+
+/* Interrupt Configuration registers */
+#define SYS_IC(x)       __REG2(0xa0900144, (x))
+
+/* ISRADDR */
+#define SYS_ISRADDR     __REG(0xa0900164)
+
+/* Interrupt Status Active */
+#define SYS_ISA         __REG(0xa0900168)
+
+/* Interrupt Status Raw */
+#define SYS_ISR         __REG(0xa090016c)
+
+/* Timer Interrupt Status register */
+#define SYS_TIS         __REG(0xa0900170)
+
+/* PLL Configuration register */
+#define SYS_PLL         __REG(0xa0900188)
+
+/* PLL Configuration register: PLL SW change */
+#define SYS_PLL_SWC             __REGBIT(15)
+#define SYS_PLL_SWC_NO                  __REGVAL(SYS_PLL_SWC, 0)
+#define SYS_PLL_SWC_YES                 __REGVAL(SYS_PLL_SWC, 1)
+
+/* Timer x Control register */
+#define SYS_TC(x)       __REG2(0xa0900190, (x))
+
+/* Timer x Control register: Timer enable */
+#define SYS_TCx_TEN             __REGBIT(15)
+#define SYS_TCx_TEN_DIS                 __REGVAL(SYS_TCx_TEN, 1)
+#define SYS_TCx_TEN_EN                  __REGVAL(SYS_TCx_TEN, 1)
+
+/* Timer x Control register: CPU debug mode */
+#define SYS_TCx_TDBG            __REGBIT(10)
+#define SYS_TCx_TDBG_CONT               __REGVAL(SYS_TCx_TDBG, 0)
+#define SYS_TCx_TDBG_STOP               __REGVAL(SYS_TCx_TDBG, 1)
+
+/* Timer x Control register: Interrupt clear */
+#define SYS_TCx_INTC            __REGBIT(9)
+#define SYS_TCx_INTC_UNSET              __REGVAL(SYS_TCx_INTC, 0)
+#define SYS_TCx_INTC_SET                __REGVAL(SYS_TCx_INTC, 1)
+
+/* Timer x Control register: Timer clock select */
+#define SYS_TCx_TLCS            __REGBITS(8, 6)
+#define SYS_TCx_TLCS_CPU                __REGVAL(SYS_TCx_TLCS, 0)       /* CPU clock */
+#define SYS_TCx_TLCS_DIV2               __REGVAL(SYS_TCx_TLCS, 1)       /* CPU clock / 2 */
+#define SYS_TCx_TLCS_DIV4               __REGVAL(SYS_TCx_TLCS, 2)       /* CPU clock / 4 */
+#define SYS_TCx_TLCS_DIV8               __REGVAL(SYS_TCx_TLCS, 3)       /* CPU clock / 8 */
+#define SYS_TCx_TLCS_DIV16              __REGVAL(SYS_TCx_TLCS, 4)       /* CPU clock / 16 */
+#define SYS_TCx_TLCS_DIV32              __REGVAL(SYS_TCx_TLCS, 5)       /* CPU clock / 32 */
+#define SYS_TCx_TLCS_DIV64              __REGVAL(SYS_TCx_TLCS, 6)       /* CPU clock / 64 */
+#define SYS_TCx_TLCS_EXT                __REGVAL(SYS_TCx_TLCS, 7)
+
+/* Timer x Control register: Timer mode */
+#define SYS_TCx_TM              __REGBITS(5, 4)
+#define SYS_TCx_TM_IEE                  __REGVAL(SYS_TCx_TM, 0)         /* Internal timer or external event */
+#define SYS_TCx_TM_ELL                  __REGVAL(SYS_TCx_TM, 1)         /* External low-level, gated timer */
+#define SYS_TCx_TM_EHL                  __REGVAL(SYS_TCx_TM, 2)         /* External high-level, gated timer */
+#define SYS_TCx_TM_CONCAT               __REGVAL(SYS_TCx_TM, 3)         /* Concatenate the lower timer. */
+
+/* Timer x Control register: Interrupt select */
+#define SYS_TCx_INTS            __REGBIT(3)
+#define SYS_TCx_INTS_DIS                __REGVAL(SYS_TCx_INTS, 0)
+#define SYS_TCx_INTS_EN                 __REGVAL(SYS_TCx_INTS, 1)
+
+/* Timer x Control register: Up/down select */
+#define SYS_TCx_UDS             __REGBIT(2)
+#define SYS_TCx_UDS_UP                  __REGVAL(SYS_TCx_UDS, 0)
+#define SYS_TCx_UDS_DOWN                __REGVAL(SYS_TCx_UDS, 1)
+
+/* Timer x Control register: 32- or 16-bit timer */
+#define SYS_TCx_TSZ             __REGBIT(1)
+#define SYS_TCx_TSZ_16                  __REGVAL(SYS_TCx_TSZ, 0)
+#define SYS_TCx_TSZ_32                  __REGVAL(SYS_TCx_TSZ, 1)
+
+/* Timer x Control register: Reload enable */
+#define SYS_TCx_REN             __REGBIT(0)
+#define SYS_TCx_REN_DIS                 __REGVAL(SYS_TCx_REN, 0)
+#define SYS_TCx_REN_EN                  __REGVAL(SYS_TCx_REN, 1)
+
+/* System Memory Chip Select x Dynamic Memory Base */
+#define SYS_SMCSDMB(x)  __REG2(0xa09001d0, (x) << 1)
+
+/* System Memory Chip Select x Dynamic Memory Mask */
+#define SYS_SMCSDMM(x)  __REG2(0xa09001d4, (x) << 1)
+
+/* System Memory Chip Select x Static Memory Base */
+#define SYS_SMCSSMB(x)  __REG2(0xa09001f0, (x) << 1)
+
+/* System Memory Chip Select x Static Memory Base: Chip select x base */
+#define SYS_SMCSSMB_CSxB        __REGBITS(31, 12)
+
+/* System Memory Chip Select x Static Memory Mask */
+#define SYS_SMCSSMM(x)  __REG2(0xa09001f4, (x) << 1)
+
+/* System Memory Chip Select x Static Memory Mask: Chip select x mask */
+#define SYS_SMCSSMM_CSxM        __REGBITS(31, 12)
+
+/* System Memory Chip Select x Static Memory Mask: Chip select x enable */
+#define SYS_SMCSSMM_CSEx        __REGBIT(0)
+#define SYS_SMCSSMM_CSEx_DIS            __REGVAL(SYS_SMCSSMM_CSEx, 0)
+#define SYS_SMCSSMM_CSEx_EN             __REGVAL(SYS_SMCSSMM_CSEx, 1)
+
+/* General purpose, user-defined ID register */
+#define SYS_GENID       __REG(0xa0900210)
+
+/* External Interrupt x Control register */
+#define SYS_EIC(x)      __REG2(0xa0900214, (x))
+
+/* External Interrupt x Control register: Status */
+#define SYS_EIC_STS             __REGBIT(3)
+
+/* External Interrupt x Control register: Clear */
+#define SYS_EIC_CLR             __REGBIT(2)
+
+/* External Interrupt x Control register: Polarity */
+#define SYS_EIC_PLTY            __REGBIT(1)
+#define SYS_EIC_PLTY_AH                 __REGVAL(SYS_EIC_PLTY, 0)
+#define SYS_EIC_PLTY_AL                 __REGVAL(SYS_EIC_PLTY, 1)
+
+/* External Interrupt x Control register: Level edge */
+#define SYS_EIC_LVEDG           __REGBIT(0)
+#define SYS_EIC_LVEDG_LEVEL             __REGVAL(SYS_EIC_LVEDG, 0)
+#define SYS_EIC_LVEDG_EDGE              __REGVAL(SYS_EIC_LVEDG, 1)
+
+#endif /* ifndef __ASM_ARCH_REGSSYS_H */
diff --git a/include/asm-arm/arch-ns9xxx/system.h b/include/asm-arm/arch-ns9xxx/system.h
new file mode 100644
index 000000000000..e3cd4d31b3f3
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/system.h
@@ -0,0 +1,34 @@
+/*
+ * include/asm-arm/arch-ns9xxx/system.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_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/proc-fns.h>
+#include <asm/arch-ns9xxx/regs-sys.h>
+#include <asm/mach-types.h>
+
+static inline void arch_idle(void)
+{
+        cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+        u32 reg;
+
+        reg = SYS_PLL >> 16;
+        REGSET(reg, SYS_PLL, SWC, YES);
+        SYS_PLL = reg;
+
+        BUG();
+}
+
+#endif /* ifndef __ASM_ARCH_SYSTEM_H */
diff --git a/include/asm-arm/arch-ns9xxx/timex.h b/include/asm-arm/arch-ns9xxx/timex.h
new file mode 100644
index 000000000000..f776cbd2622d
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/timex.h
@@ -0,0 +1,20 @@
+/*
+ * include/asm-arm/arch-ns9xxx/timex.h
+ *
+ * Copyright (C) 2005-2006 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_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/*
+ * value for CLOCK_TICK_RATE stolen from include/asm-arm/arch-s3c2410/timex.h.
+ * See there for an explanation.
+ */
+#define CLOCK_TICK_RATE         12000000
+
+#endif /* ifndef __ASM_ARCH_TIMEX_H */
diff --git a/include/asm-arm/arch-ns9xxx/uncompress.h b/include/asm-arm/arch-ns9xxx/uncompress.h
new file mode 100644
index 000000000000..961ca7dc9954
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/uncompress.h
@@ -0,0 +1,35 @@
+/*
+ * include/asm-arm/arch-ns9xxx/uncompress.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_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+static void putc(char c)
+{
+        volatile u8 *base = (volatile u8 *)0x40000000;
+        int t = 0x10000;
+
+        do {
+                if (base[5] & 0x20) {
+                        base[0] = c;
+                        break;
+                }
+        } while (--t);
+}
+
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
+
+static void flush(void)
+{
+        /* nothing */
+}
+
+#endif /* ifndef __ASM_ARCH_UNCOMPRESS_H */
diff --git a/include/asm-arm/arch-ns9xxx/vmalloc.h b/include/asm-arm/arch-ns9xxx/vmalloc.h
new file mode 100644
index 000000000000..2f3cb6f6be24
--- /dev/null
+++ b/include/asm-arm/arch-ns9xxx/vmalloc.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-arm/arch-ns9xxx/vmalloc.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_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END     (0xf0000000)
+
+#endif /* ifndef __ASM_ARCH_VMALLOC_H */