[ARM] 3567/2: arm: base support for Hilscher netX

Patch from Sascha Hauer

This patch adds the base support for Hilscher's netX network
processors.

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

20 files changed, 768 insertions, 2 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index f47cf9af3bc8..dfb97fe045d0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -275,6 +275,12 @@ config ARCH_PNX4008
 	help
 	  This enables support for Philips PNX4008 mobile platform.
 
+config ARCH_NETX
+	bool "Hilscher NetX based"
+	select ARM_VIC
+	help
+	  This enables support for systems based on the Hilscher NetX Soc
+
 endchoice
 
 source "arch/arm/mach-clps711x/Kconfig"
@@ -319,6 +325,8 @@ source "arch/arm/mach-realview/Kconfig"
 
 source "arch/arm/mach-at91rm9200/Kconfig"
 
+source "arch/arm/mach-netx/Kconfig"
+
 # Definitions to make life easier
 config ARCH_ACORN
 	bool
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 6c97aa70d3bc..282b14e2f464 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -117,6 +117,7 @@ endif
  machine-$(CONFIG_ARCH_AT91RM9200) := at91rm9200
  machine-$(CONFIG_ARCH_EP93XX)     := ep93xx
  machine-$(CONFIG_ARCH_PNX4008)    := pnx4008
+ machine-$(CONFIG_ARCH_NETX)       := netx
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/mach-netx/Makefile b/arch/arm/mach-netx/Makefile
new file mode 100644
index 000000000000..257d02ef66d8
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile
@@ -0,0 +1,11 @@
+#
+# Makefile for the linux kernel.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+
+# Object file lists.
+
+obj-y			+= time.o generic.o
+
diff --git a/arch/arm/mach-netx/Makefile.boot b/arch/arm/mach-netx/Makefile.boot
new file mode 100644
index 000000000000..b81cf6aff0ac
--- /dev/null
+++ b/arch/arm/mach-netx/Makefile.boot
@@ -0,0 +1,2 @@
+    zreladdr-y			:= 0x80008000
+
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
new file mode 100644
index 000000000000..af0b13534cfd
--- /dev/null
+++ b/arch/arm/mach-netx/generic.c
@@ -0,0 +1,193 @@
+/*
+ * arch/arm/mach-netx/generic.c
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <asm/hardware.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/vic.h>
+#include <asm/io.h>
+#include <asm/arch/netx-regs.h>
+#include <asm/mach/irq.h>
+
+static struct map_desc netx_io_desc[] __initdata = {
+	{
+		.virtual        = NETX_IO_VIRT,
+		.pfn            = __phys_to_pfn(NETX_IO_PHYS),
+		.length         = NETX_IO_SIZE,
+		.type           = MT_DEVICE
+	}
+};
+
+void __init netx_map_io(void)
+{
+	iotable_init(netx_io_desc, ARRAY_SIZE(netx_io_desc));
+}
+
+static struct resource netx_rtc_resources[] = {
+	[0] = {
+		.start	= 0x00101200,
+		.end	= 0x00101220,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device netx_rtc_device = {
+	.name		= "netx-rtc",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(netx_rtc_resources),
+	.resource	= netx_rtc_resources,
+};
+
+static struct platform_device *devices[] __initdata = {
+	&netx_rtc_device,
+};
+
+#if 0
+#define DEBUG_IRQ(fmt...)	printk(fmt)
+#else
+#define DEBUG_IRQ(fmt...)	while (0) {}
+#endif
+
+static void
+netx_hif_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
+			struct pt_regs *regs)
+{
+	unsigned int irq = NETX_IRQ_HIF_CHAINED(0);
+	unsigned int stat;
+
+	stat = ((readl(NETX_DPMAS_INT_EN) &
+		readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f;
+
+	desc = irq_desc + NETX_IRQ_HIF_CHAINED(0);
+
+	while (stat) {
+		if (stat & 1) {
+			DEBUG_IRQ("handling irq %d\n", irq);
+			desc_handle_irq(irq, desc, regs);
+		}
+		irq++;
+		desc++;
+		stat >>= 1;
+	}
+}
+
+static int
+netx_hif_irq_type(unsigned int _irq, unsigned int type)
+{
+	unsigned int val, irq;
+
+	val = readl(NETX_DPMAS_IF_CONF1);
+
+	irq = _irq - NETX_IRQ_HIF_CHAINED(0);
+
+	if (type & __IRQT_RISEDGE) {
+		DEBUG_IRQ("rising edges\n");
+		val |= (1 << 26) << irq;
+	}
+	if (type & __IRQT_FALEDGE) {
+		DEBUG_IRQ("falling edges\n");
+		val &= ~((1 << 26) << irq);
+	}
+	if (type & __IRQT_LOWLVL) {
+		DEBUG_IRQ("low level\n");
+		val &= ~((1 << 26) << irq);
+	}
+	if (type & __IRQT_HIGHLVL) {
+		DEBUG_IRQ("high level\n");
+		val |= (1 << 26) << irq;
+	}
+
+	writel(val, NETX_DPMAS_IF_CONF1);
+
+	return 0;
+}
+
+static void
+netx_hif_ack_irq(unsigned int _irq)
+{
+	unsigned int val, irq;
+
+	irq = _irq - NETX_IRQ_HIF_CHAINED(0);
+	writel((1 << 24) << irq, NETX_DPMAS_INT_STAT);
+
+	val = readl(NETX_DPMAS_INT_EN);
+	val &= ~((1 << 24) << irq);
+	writel(val, NETX_DPMAS_INT_EN);
+
+	DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
+}
+
+static void
+netx_hif_mask_irq(unsigned int _irq)
+{
+	unsigned int val, irq;
+
+	irq = _irq - NETX_IRQ_HIF_CHAINED(0);
+	val = readl(NETX_DPMAS_INT_EN);
+	val &= ~((1 << 24) << irq);
+	writel(val, NETX_DPMAS_INT_EN);
+	DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
+}
+
+static void
+netx_hif_unmask_irq(unsigned int _irq)
+{
+	unsigned int val, irq;
+
+	irq = _irq - NETX_IRQ_HIF_CHAINED(0);
+	val = readl(NETX_DPMAS_INT_EN);
+	val |= (1 << 24) << irq;
+	writel(val, NETX_DPMAS_INT_EN);
+	DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, _irq);
+}
+
+static struct irqchip netx_hif_chip = {
+	.ack = netx_hif_ack_irq,
+	.mask = netx_hif_mask_irq,
+	.unmask = netx_hif_unmask_irq,
+	.set_type = netx_hif_irq_type,
+};
+
+void __init netx_init_irq(void)
+{
+	int irq;
+
+	vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0);
+
+	for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
+		set_irq_chip(irq, &netx_hif_chip);
+		set_irq_handler(irq, do_level_IRQ);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+
+	writel(NETX_DPMAS_INT_EN_GLB_EN, NETX_DPMAS_INT_EN);
+	set_irq_chained_handler(NETX_IRQ_HIF, netx_hif_demux_handler);
+}
+
+static int __init netx_init(void)
+{
+	return platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+subsys_initcall(netx_init);
+
diff --git a/arch/arm/mach-netx/generic.h b/arch/arm/mach-netx/generic.h
new file mode 100644
index 000000000000..ede2d35341c3
--- /dev/null
+++ b/arch/arm/mach-netx/generic.h
@@ -0,0 +1,24 @@
+/*
+ * arch/arm/mach-netx/generic.h
+ *
+ * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+extern void __init netx_map_io(void);
+extern void __init netx_init_irq(void);
+
+struct sys_timer;
+extern struct sys_timer netx_timer;
diff --git a/arch/arm/mach-netx/time.c b/arch/arm/mach-netx/time.c
new file mode 100644
index 000000000000..edfbdf40c600
--- /dev/null
+++ b/arch/arm/mach-netx/time.c
@@ -0,0 +1,88 @@
+/*
+ * arch/arm/mach-netx/time.c
+ *
+ * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach/time.h>
+#include <asm/arch/netx-regs.h>
+
+/*
+ * Returns number of us since last clock interrupt.  Note that interrupts
+ * will have been disabled by do_gettimeoffset()
+ */
+static unsigned long netx_gettimeoffset(void)
+{
+	return readl(NETX_GPIO_COUNTER_CURRENT(0)) / 100;
+}
+
+/*
+ * IRQ handler for the timer
+ */
+static irqreturn_t
+netx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	write_seqlock(&xtime_lock);
+
+	timer_tick(regs);
+	write_sequnlock(&xtime_lock);
+
+	/* acknowledge interrupt */
+	writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
+
+	return IRQ_HANDLED;
+}
+
+
+static struct irqaction netx_timer_irq = {
+	.name           = "NetX Timer Tick",
+	.flags          = SA_INTERRUPT | SA_TIMER,
+	.handler        = netx_timer_interrupt,
+};
+
+/*
+ * Set up timer interrupt
+ */
+static void __init netx_timer_init(void)
+{
+	/* disable timer initially */
+	writel(0, NETX_GPIO_COUNTER_CTRL(0));
+
+	/* Reset the timer value to zero */
+	writel(0, NETX_GPIO_COUNTER_CURRENT(0));
+
+	writel(LATCH, NETX_GPIO_COUNTER_MAX(0));
+
+	/* acknowledge interrupt */
+	writel(COUNTER_BIT(0), NETX_GPIO_IRQ);
+
+	/* Enable the interrupt in the specific timer register and start timer */
+	writel(COUNTER_BIT(0), NETX_GPIO_IRQ_ENABLE);
+	writel(NETX_GPIO_COUNTER_CTRL_IRQ_EN | NETX_GPIO_COUNTER_CTRL_RUN,
+		NETX_GPIO_COUNTER_CTRL(0));
+
+	setup_irq(NETX_IRQ_TIMER0, &netx_timer_irq);
+}
+
+struct sys_timer netx_timer = {
+	.init           = netx_timer_init,
+	.offset         = netx_gettimeoffset,
+};
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 1ff2f073a55d..4221d054a1e9 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -121,8 +121,8 @@ config CPU_ARM925T
 # ARM926T
 config CPU_ARM926T
 	bool "Support ARM926T processor"
-	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008
-	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX
+	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX
 	select CPU_32v5
 	select CPU_ABRT_EV5TJ
 	select CPU_CACHE_VIVT
diff --git a/include/asm-arm/arch-netx/debug-macro.S b/include/asm-arm/arch-netx/debug-macro.S
new file mode 100644
index 000000000000..a940d0e80cb2
--- /dev/null
+++ b/include/asm-arm/arch-netx/debug-macro.S
@@ -0,0 +1,38 @@
+/* linux/include/asm-arm/arch-netx/debug-macro.S
+ *
+ * Debugging macro include header
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *  Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * 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 "hardware.h"
+
+		.macro	addruart,rx
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1			@ MMU enabled?
+		moveq	\rx, #0x00100000		@ physical
+		movne	\rx, #io_p2v(0x00100000)	@ virtual
+		orr	\rx, \rx, #0x00000a00
+		.endm
+
+		.macro	senduart,rd,rx
+		str	\rd, [\rx, #0]
+		.endm
+
+		.macro	busyuart,rd,rx
+1002:		ldr	\rd, [\rx, #0x18]
+		tst	\rd, #(1 << 3)
+		bne	1002b
+		.endm
+
+		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]
+		tst	\rd, #(1 << 3)
+		bne	1001b
+		.endm
diff --git a/include/asm-arm/arch-netx/dma.h b/include/asm-arm/arch-netx/dma.h
new file mode 100644
index 000000000000..4eda5feed81c
--- /dev/null
+++ b/include/asm-arm/arch-netx/dma.h
@@ -0,0 +1,21 @@
+/*
+ *  linux/include/asm-arm/arch-netx/dma.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define MAX_DMA_CHANNELS 0
+#define MAX_DMA_ADDRESS ~0
diff --git a/include/asm-arm/arch-netx/entry-macro.S b/include/asm-arm/arch-netx/entry-macro.S
new file mode 100644
index 000000000000..658df4d60ff3
--- /dev/null
+++ b/include/asm-arm/arch-netx/entry-macro.S
@@ -0,0 +1,35 @@
+/*
+ * include/asm-arm/arch-netx/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Hilscher netX based platforms
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <asm/hardware.h>
+
+		.macro  disable_fiq
+		.endm
+
+		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+		mov	\base, #io_p2v(0x00100000)
+		add	\base, \base, #0x000ff000
+
+		ldr	\irqstat, [\base, #0]
+		clz	\irqnr, \irqstat
+		rsb     \irqnr, \irqnr, #31
+		cmp	\irqstat, #0
+		.endm
+
diff --git a/include/asm-arm/arch-netx/hardware.h b/include/asm-arm/arch-netx/hardware.h
new file mode 100644
index 000000000000..7786c45455cd
--- /dev/null
+++ b/include/asm-arm/arch-netx/hardware.h
@@ -0,0 +1,39 @@
+/*
+ * include/asm-arm/arch-netx/hardware.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#define NETX_IO_PHYS	0x00100000
+#define NETX_IO_VIRT	0xe0000000
+#define NETX_IO_SIZE	0x00100000
+
+#define SRAM_INTERNAL_PHYS_0 0x00000
+#define SRAM_INTERNAL_PHYS_1 0x08000
+#define SRAM_INTERNAL_PHYS_2 0x10000
+#define SRAM_INTERNAL_PHYS_3 0x18000
+#define SRAM_INTERNAL_PHYS(no) ((no) * 0x8000)
+
+#define XPEC_MEM_SIZE 0x4000
+#define XMAC_MEM_SIZE 0x1000
+#define SRAM_MEM_SIZE 0x8000
+
+#define io_p2v(x) ((x) - NETX_IO_PHYS + NETX_IO_VIRT)
+#define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS)
+
+#endif
diff --git a/include/asm-arm/arch-netx/io.h b/include/asm-arm/arch-netx/io.h
new file mode 100644
index 000000000000..81b7bc47747e
--- /dev/null
+++ b/include/asm-arm/arch-netx/io.h
@@ -0,0 +1,29 @@
+/*
+ *  linux/include/asm-arm/arch-netx/io.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+#define __io(a)         ((void __iomem *)(a))
+#define __mem_pci(a)            (a)
+#define __mem_isa(a)            (a)
+
+#endif
diff --git a/include/asm-arm/arch-netx/irqs.h b/include/asm-arm/arch-netx/irqs.h
new file mode 100644
index 000000000000..a487dc6e2661
--- /dev/null
+++ b/include/asm-arm/arch-netx/irqs.h
@@ -0,0 +1,70 @@
+/*
+ * include/asm-arm/arch-netx/irqs.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define NETX_IRQ_VIC_START   0
+#define NETX_IRQ_SOFTINT     0
+#define NETX_IRQ_TIMER0      1
+#define NETX_IRQ_TIMER1      2
+#define NETX_IRQ_TIMER2      3
+#define NETX_IRQ_SYSTIME_NS  4
+#define NETX_IRQ_SYSTIME_S   5
+#define NETX_IRQ_GPIO_15     6
+#define NETX_IRQ_WATCHDOG    7
+#define NETX_IRQ_UART0       8
+#define NETX_IRQ_UART1       9
+#define NETX_IRQ_UART2      10
+#define NETX_IRQ_USB        11
+#define NETX_IRQ_SPI        12
+#define NETX_IRQ_I2C        13
+#define NETX_IRQ_LCD        14
+#define NETX_IRQ_HIF        15
+#define NETX_IRQ_GPIO_0_14  16
+#define NETX_IRQ_XPEC0      17
+#define NETX_IRQ_XPEC1      18
+#define NETX_IRQ_XPEC2      19
+#define NETX_IRQ_XPEC3      20
+#define NETX_IRQ_XPEC(no)   (17 + (no))
+#define NETX_IRQ_MSYNC0     21
+#define NETX_IRQ_MSYNC1     22
+#define NETX_IRQ_MSYNC2     23
+#define NETX_IRQ_MSYNC3     24
+#define NETX_IRQ_IRQ_PHY    25
+#define NETX_IRQ_ISO_AREA   26
+/* int 27 is reserved */
+/* int 28 is reserved */
+#define NETX_IRQ_TIMER3     29
+#define NETX_IRQ_TIMER4     30
+/* int 31 is reserved */
+
+#define NETX_IRQS 32
+
+/* for multiplexed irqs on gpio 0..14 */
+#define NETX_IRQ_GPIO(x) (NETX_IRQS + (x))
+#define NETX_IRQ_GPIO_LAST NETX_IRQ_GPIO(14)
+
+/* Host interface interrupts */
+#define NETX_IRQ_HIF_CHAINED(x)    (NETX_IRQ_GPIO_LAST + 1 + (x))
+#define NETX_IRQ_HIF_PIO35         NETX_IRQ_HIF_CHAINED(0)
+#define NETX_IRQ_HIF_PIO36         NETX_IRQ_HIF_CHAINED(1)
+#define NETX_IRQ_HIF_PIO40         NETX_IRQ_HIF_CHAINED(2)
+#define NETX_IRQ_HIF_PIO47         NETX_IRQ_HIF_CHAINED(3)
+#define NETX_IRQ_HIF_PIO72         NETX_IRQ_HIF_CHAINED(4)
+#define NETX_IRQ_HIF_LAST          NETX_IRQ_HIF_CHAINED(4)
+
+#define NR_IRQS (NETX_IRQ_HIF_LAST + 1)
diff --git a/include/asm-arm/arch-netx/memory.h b/include/asm-arm/arch-netx/memory.h
new file mode 100644
index 000000000000..6d8d2df3e99d
--- /dev/null
+++ b/include/asm-arm/arch-netx/memory.h
@@ -0,0 +1,36 @@
+/*
+ *  linux/include/asm-arm/arch-netx/memory.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET UL(0x80000000)
+
+/*
+ * Virtual view <-> DMA view memory address translations
+ * virt_to_bus: Used to translate the virtual address to an
+ *              address suitable to be passed to set_dma_addr
+ * bus_to_virt: Used to convert an address for DMA operations
+ *              to an address that the kernel can use.
+ */
+#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-netx/param.h b/include/asm-arm/arch-netx/param.h
new file mode 100644
index 000000000000..7a80c26178a8
--- /dev/null
+++ b/include/asm-arm/arch-netx/param.h
@@ -0,0 +1,18 @@
+/*
+ *  linux/include/asm-arm/arch-netx/param.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
diff --git a/include/asm-arm/arch-netx/system.h b/include/asm-arm/arch-netx/system.h
new file mode 100644
index 000000000000..52adf368d765
--- /dev/null
+++ b/include/asm-arm/arch-netx/system.h
@@ -0,0 +1,38 @@
+/*
+ * include/asm-arm/arch-netx/system.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include "netx-regs.h"
+
+static inline void arch_idle(void)
+{
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+	writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES,
+	       NETX_SYSTEM_RES_CR);
+}
+
+#endif
+
diff --git a/include/asm-arm/arch-netx/timex.h b/include/asm-arm/arch-netx/timex.h
new file mode 100644
index 000000000000..7fdb42da0b40
--- /dev/null
+++ b/include/asm-arm/arch-netx/timex.h
@@ -0,0 +1,20 @@
+/*
+ * include/asm-arm/arch-netx/timex.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#define CLOCK_TICK_RATE 100000000
diff --git a/include/asm-arm/arch-netx/uncompress.h b/include/asm-arm/arch-netx/uncompress.h
new file mode 100644
index 000000000000..f89434547102
--- /dev/null
+++ b/include/asm-arm/arch-netx/uncompress.h
@@ -0,0 +1,76 @@
+/*
+ * include/asm-arm/arch-netx/uncompress.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader.  We search for the first enabled
+ * port in the most probable order.  If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+
+#define REG(x) (*(volatile unsigned long *)(x))
+
+#define UART1_BASE 0x100a00
+#define UART2_BASE 0x100a80
+
+#define UART_DR 0x0
+
+#define UART_CR 0x14
+#define CR_UART_EN (1<<0)
+
+#define UART_FR 0x18
+#define FR_BUSY (1<<3)
+#define FR_TXFF (1<<5)
+
+static void putc(char c)
+{
+	unsigned long base;
+
+	if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
+		base = UART1_BASE;
+	else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
+		base = UART2_BASE;
+	else
+		return;
+
+	while (REG(base + UART_FR) & FR_TXFF);
+	REG(base + UART_DR) = c;
+}
+
+static inline void flush(void)
+{
+	unsigned long base;
+
+	if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
+		base = UART1_BASE;
+	else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
+		base = UART2_BASE;
+	else
+		return;
+
+	while (REG(base + UART_FR) & FR_BUSY);
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-netx/vmalloc.h b/include/asm-arm/arch-netx/vmalloc.h
new file mode 100644
index 000000000000..da2da5a595da
--- /dev/null
+++ b/include/asm-arm/arch-netx/vmalloc.h
@@ -0,0 +1,19 @@
+/*
+ *  linux/include/asm-arm/arch-netx/vmalloc.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#define VMALLOC_END       (PAGE_OFFSET + 0x10000000)