11 files changed, 348 insertions, 0 deletions
diff --git a/arch/arm/mach-shark/include/mach/debug-macro.S b/arch/arm/mach-shark/include/mach/debug-macro.S
new file mode 100644
index 00000000000..0836cb78b29
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/debug-macro.S
@@ -0,0 +1,31 @@
+/* arch/arm/mach-shark/include/mach/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.
+ *
+*/
+
+		.macro	addruart,rx
+		mov	\rx, #0xe0000000
+		orr	\rx, \rx, #0x000003f8
+		.endm
+
+		.macro	senduart,rd,rx
+		strb	\rd, [\rx]
+		.endm
+
+		.macro	busyuart,rd,rx
+		mov	\rd, #0
+1001:		add	\rd, \rd, #1
+		teq	\rd, #0x10000
+		bne	1001b
+		.endm
+
+		.macro	waituart,rd,rx
+		.endm
diff --git a/arch/arm/mach-shark/include/mach/dma.h b/arch/arm/mach-shark/include/mach/dma.h
new file mode 100644
index 00000000000..c0a29bd2a74
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/dma.h
@@ -0,0 +1,18 @@
+/*
+ * arch/arm/mach-shark/include/mach/dma.h
+ *
+ * by Alexander Schulz
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+/* Use only the lowest 4MB, nothing else works.
+ * The rest is not DMAable. See dev /  .properties
+ * in OpenFirmware.
+ */
+#define MAX_DMA_ADDRESS		0xC0400000
+#define MAX_DMA_CHANNELS	8
+#define DMA_ISA_CASCADE         4
+
+#endif /* _ASM_ARCH_DMA_H */
+
diff --git a/arch/arm/mach-shark/include/mach/entry-macro.S b/arch/arm/mach-shark/include/mach/entry-macro.S
new file mode 100644
index 00000000000..e2853c0a333
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/entry-macro.S
@@ -0,0 +1,41 @@
+/*
+ * arch/arm/mach-shark/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Shark platform
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+		.macro	disable_fiq
+		.endm
+
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro  arch_ret_to_user, tmp1, tmp2
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		mov	r4, #0xe0000000
+
+		mov	\irqstat, #0x0C
+		strb	\irqstat, [r4, #0x20]		@outb(0x0C, 0x20) /* Poll command */
+		ldrb	\irqnr, [r4, #0x20]		@irq = inb(0x20) & 7
+		and	\irqstat, \irqnr, #0x80
+		teq	\irqstat, #0
+		beq	43f
+		and	\irqnr, \irqnr, #7
+		teq	\irqnr, #2
+		bne	44f
+43:		mov	\irqstat, #0x0C
+		strb	\irqstat, [r4, #0xa0]		@outb(0x0C, 0xA0) /* Poll command */
+		ldrb	\irqnr, [r4, #0xa0]		@irq = (inb(0xA0) & 7) + 8
+		and	\irqstat, \irqnr, #0x80
+		teq	\irqstat, #0
+		beq	44f
+		and	\irqnr, \irqnr, #7
+		add	\irqnr, \irqnr, #8
+44:		teq	\irqstat, #0
+		.endm
+
diff --git a/arch/arm/mach-shark/include/mach/hardware.h b/arch/arm/mach-shark/include/mach/hardware.h
new file mode 100644
index 00000000000..cb0ee2943c1
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/hardware.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-shark/include/mach/hardware.h
+ *
+ * by Alexander Schulz
+ *
+ * derived from:
+ * arch/arm/mach-ebsa110/include/mach/hardware.h
+ * Copyright (C) 1996-1999 Russell King.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#ifndef __ASSEMBLY__
+
+/*
+ * Mapping areas
+ */
+#define IO_BASE			0xe0000000
+
+#else
+
+#define IO_BASE			0
+
+#endif
+
+#define IO_SIZE			0x08000000
+#define IO_START		0x40000000
+#define ROMCARD_SIZE		0x08000000
+#define ROMCARD_START		0x10000000
+
+#define PCIO_BASE		0xe0000000
+
+
+/* defines for the Framebuffer */
+#define FB_START		0x06000000
+#define FB_SIZE			0x01000000
+
+#define UNCACHEABLE_ADDR        0xdf010000
+
+#define SEQUOIA_LED_GREEN       (1<<6)
+#define SEQUOIA_LED_AMBER       (1<<5)
+#define SEQUOIA_LED_BACK        (1<<7)
+
+#define pcibios_assign_all_busses()     1
+
+#define PCIBIOS_MIN_IO          0x6000
+#define PCIBIOS_MIN_MEM         0x50000000
+#define PCIMEM_BASE		0xe8000000
+
+#endif
+
diff --git a/arch/arm/mach-shark/include/mach/io.h b/arch/arm/mach-shark/include/mach/io.h
new file mode 100644
index 00000000000..92475922c06
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/io.h
@@ -0,0 +1,56 @@
+/*
+ * arch/arm/mach-shark/include/mach/io.h
+ *
+ * by Alexander Schulz
+ *
+ * derived from:
+ * arch/arm/mach-ebsa110/include/mach/io.h
+ * Copyright (C) 1997,1998 Russell King
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#include <mach/hardware.h>
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*
+ * We use two different types of addressing - PC style addresses, and ARM
+ * addresses.  PC style accesses the PC hardware with the normal PC IO
+ * addresses, eg 0x3f8 for serial#1.  ARM addresses are 0x80000000+
+ * and are translated to the start of IO.
+ */
+#define __PORT_PCIO(x)	(!((x) & 0x80000000))
+
+#define __io(a)                 ((void __iomem *)(PCIO_BASE + (a)))
+
+
+static inline unsigned int __ioaddr (unsigned int port)			\
+{										\
+	if (__PORT_PCIO(port))							\
+		return (unsigned int)(PCIO_BASE + (port));			\
+	else									\
+		return (unsigned int)(IO_BASE + (port));			\
+}
+
+#define __mem_pci(addr) (addr)
+
+/*
+ * Translated address IO functions
+ *
+ * IO address has already been translated to a virtual address
+ */
+#define outb_t(v,p)								\
+	(*(volatile unsigned char *)(p) = (v))
+
+#define inb_t(p)								\
+	(*(volatile unsigned char *)(p))
+
+#define outl_t(v,p)								\
+	(*(volatile unsigned long *)(p) = (v))
+
+#define inl_t(p)								\
+	(*(volatile unsigned long *)(p))
+
+#endif
diff --git a/arch/arm/mach-shark/include/mach/irqs.h b/arch/arm/mach-shark/include/mach/irqs.h
new file mode 100644
index 00000000000..0586acd7cdd
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/irqs.h
@@ -0,0 +1,13 @@
+/*
+ * arch/arm/mach-shark/include/mach/irqs.h
+ *
+ * by Alexander Schulz
+ */
+
+#define NR_IRQS			16
+
+#define IRQ_ISA_KEYBOARD	 1
+#define RTC_IRQ			 8
+#define I8042_KBD_IRQ		 1
+#define I8042_AUX_IRQ		12
+#define IRQ_HARDDISK            14
diff --git a/arch/arm/mach-shark/include/mach/memory.h b/arch/arm/mach-shark/include/mach/memory.h
new file mode 100644
index 00000000000..b7874ad9f9f
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/memory.h
@@ -0,0 +1,48 @@
+/*
+ * arch/arm/mach-shark/include/mach/memory.h
+ *
+ * by Alexander Schulz
+ *
+ * derived from:
+ * arch/arm/mach-ebsa110/include/mach/memory.h
+ * Copyright (c) 1996-1999 Russell King.
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#include <asm/sizes.h>
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET     UL(0x08000000)
+
+#ifndef __ASSEMBLY__
+
+static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size) 
+{
+  if (node != 0) return;
+  /* Only the first 4 MB (=1024 Pages) are usable for DMA */
+  zone_size[1] = zone_size[0] - 1024;
+  zone_size[0] = 1024;
+  zhole_size[1] = zhole_size[0];
+  zhole_size[0] = 0;
+}
+
+#define arch_adjust_zones(node, size, holes) \
+	__arch_adjust_zones(node, size, holes)
+
+#define ISA_DMA_THRESHOLD	(PHYS_OFFSET + SZ_4M - 1)
+
+#endif
+
+#define __virt_to_bus(x)	__virt_to_phys(x)
+#define __bus_to_virt(x)	__phys_to_virt(x)
+
+/*
+ * Cache flushing area
+ */
+#define FLUSH_BASE_PHYS		0x80000000
+#define FLUSH_BASE		0xdf000000
+
+#endif
diff --git a/arch/arm/mach-shark/include/mach/system.h b/arch/arm/mach-shark/include/mach/system.h
new file mode 100644
index 00000000000..85aceef6f87
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/system.h
@@ -0,0 +1,28 @@
+/*
+ * arch/arm/mach-shark/include/mach/system.h
+ *
+ * by Alexander Schulz
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/io.h>
+
+static void arch_reset(char mode)
+{
+	short temp;
+	local_irq_disable();
+	/* Reset the Machine via pc[3] of the sequoia chipset */
+	outw(0x09,0x24);
+	temp=inw(0x26);
+	temp = temp | (1<<3) | (1<<10);
+	outw(0x09,0x24);
+	outw(temp,0x26);
+
+}
+
+static inline void arch_idle(void)
+{
+}
+
+#endif
diff --git a/arch/arm/mach-shark/include/mach/timex.h b/arch/arm/mach-shark/include/mach/timex.h
new file mode 100644
index 00000000000..bb6eeaebed8
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/timex.h
@@ -0,0 +1,7 @@
+/*
+ * arch/arm/mach-shark/include/mach/timex.h
+ *
+ * by Alexander Schulz
+ */
+
+#define CLOCK_TICK_RATE 1193180
diff --git a/arch/arm/mach-shark/include/mach/uncompress.h b/arch/arm/mach-shark/include/mach/uncompress.h
new file mode 100644
index 00000000000..3725e163341
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/uncompress.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-shark/include/mach/uncompress.h
+ * by Alexander Schulz
+ *
+ * derived from:
+ * arch/arm/mach-footbridge/include/mach/uncompress.h
+ * Copyright (C) 1996,1997,1998 Russell King
+ */
+
+#define SERIAL_BASE ((volatile unsigned char *)0x400003f8)
+
+static inline void putc(int c)
+{
+	int t;
+
+	SERIAL_BASE[0] = c;
+	t=0x10000;
+	while (t--);
+}
+
+static inline void flush(void)
+{
+}
+
+#ifdef DEBUG
+static void putn(unsigned long z)
+{
+	int i;
+	char x;
+
+	putc('0');
+	putc('x');
+	for (i=0;i<8;i++) {
+		x='0'+((z>>((7-i)*4))&0xf);
+		if (x>'9') x=x-'0'+'A'-10;
+		putc(x);
+	}
+}
+
+static void putr()
+{
+	putc('\n');
+	putc('\r');
+}
+#endif
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/arch/arm/mach-shark/include/mach/vmalloc.h b/arch/arm/mach-shark/include/mach/vmalloc.h
new file mode 100644
index 00000000000..f6c6837c545
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/vmalloc.h
@@ -0,0 +1,4 @@
+/*
+ * arch/arm/mach-shark/include/mach/vmalloc.h
+ */
+#define VMALLOC_END       (PAGE_OFFSET + 0x10000000)