11 files changed, 396 insertions, 0 deletions
diff --git a/arch/arm/mach-ebsa110/include/mach/debug-macro.S b/arch/arm/mach-ebsa110/include/mach/debug-macro.S
new file mode 100644
index 000000000000..1dde8227f3a2
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/debug-macro.S
@@ -0,0 +1,21 @@
+/* arch/arm/mach-ebsa110/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, #0xf0000000
+		orr	\rx, \rx, #0x00000be0
+		.endm
+
+#define UART_SHIFT	2
+#define FLOW_CONTROL
+#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-ebsa110/include/mach/dma.h b/arch/arm/mach-ebsa110/include/mach/dma.h
new file mode 100644
index 000000000000..780a04c8bbe9
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/dma.h
@@ -0,0 +1,11 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/dma.h
+ *
+ *  Copyright (C) 1997,1998 Russell King
+ *
+ * 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.
+ *
+ *  EBSA110 DMA definitions
+ */
diff --git a/arch/arm/mach-ebsa110/include/mach/entry-macro.S b/arch/arm/mach-ebsa110/include/mach/entry-macro.S
new file mode 100644
index 000000000000..cc3e5992f6b3
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-ebsa110/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for ebsa110 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.
+ */
+
+
+
+#define IRQ_STAT		0xff000000	/* read */
+
+	.macro	disable_fiq
+	.endm
+
+	.macro  get_irqnr_preamble, base, tmp
+	mov	\base, #IRQ_STAT
+	.endm
+
+	.macro  arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, stat, base, tmp
+	ldrb	\stat, [\base]			@ get interrupts
+	mov	\irqnr, #0
+	tst	\stat, #15
+	addeq	\irqnr, \irqnr, #4
+	moveq	\stat, \stat, lsr #4
+	tst	\stat, #3
+	addeq	\irqnr, \irqnr, #2
+	moveq	\stat, \stat, lsr #2
+	tst	\stat, #1
+	addeq	\irqnr, \irqnr, #1
+	moveq	\stat, \stat, lsr #1
+	tst	\stat, #1			@ bit 0 should be set
+	.endm
+
diff --git a/arch/arm/mach-ebsa110/include/mach/hardware.h b/arch/arm/mach-ebsa110/include/mach/hardware.h
new file mode 100644
index 000000000000..4b2fb7743909
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/hardware.h
@@ -0,0 +1,63 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/hardware.h
+ *
+ *  Copyright (C) 1996-2000 Russell King.
+ *
+ * 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 file contains the hardware definitions of the EBSA-110.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+/*
+ * The EBSA110 has a weird "ISA IO" region:
+ *
+ * Region 0 (addr = 0xf0000000 + io << 2)
+ * --------------------------------------------------------
+ * Physical region	IO region
+ * f0000fe0 - f0000ffc	3f8 - 3ff  ttyS0
+ * f0000e60 - f0000e64	398 - 399
+ * f0000de0 - f0000dfc	378 - 37f  lp0
+ * f0000be0 - f0000bfc	2f8 - 2ff  ttyS1
+ *
+ * Region 1 (addr = 0xf0000000 + (io & ~1) << 1 + (io & 1))
+ * --------------------------------------------------------
+ * Physical region	IO region
+ * f00014f1             a79        pnp write data
+ * f00007c0 - f00007c1	3e0 - 3e1  pcmcia
+ * f00004f1		279        pnp address
+ * f0000440 - f000046c  220 - 236  eth0
+ * f0000405		203        pnp read data
+ */
+
+#define ISAMEM_PHYS		0xe0000000
+#define ISAMEM_SIZE		0x10000000
+
+#define ISAIO_PHYS		0xf0000000
+#define ISAIO_SIZE		PGDIR_SIZE
+
+#define TRICK0_PHYS		0xf2000000
+#define TRICK1_PHYS		0xf2400000
+#define TRICK2_PHYS		0xf2800000
+#define TRICK3_PHYS		0xf2c00000
+#define TRICK4_PHYS		0xf3000000
+#define TRICK5_PHYS		0xf3400000
+#define TRICK6_PHYS		0xf3800000
+#define TRICK7_PHYS		0xf3c00000
+
+#define ISAMEM_BASE		0xe0000000
+#define ISAIO_BASE		0xf0000000
+
+#define PIT_BASE		0xfc000000
+#define SOFT_BASE		0xfd000000
+
+/*
+ * RAM definitions
+ */
+#define UNCACHEABLE_ADDR	0xff000000	/* IRQ_STAT */
+
+#endif
+
diff --git a/arch/arm/mach-ebsa110/include/mach/io.h b/arch/arm/mach-ebsa110/include/mach/io.h
new file mode 100644
index 000000000000..f68daa632af0
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/io.h
@@ -0,0 +1,92 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/io.h
+ *
+ *  Copyright (C) 1997,1998 Russell King
+ *
+ * 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.
+ *
+ * Modifications:
+ *  06-Dec-1997	RMK	Created.
+ */
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffff
+
+u8 __inb8(unsigned int port);
+void __outb8(u8  val, unsigned int port);
+
+u8 __inb16(unsigned int port);
+void __outb16(u8  val, unsigned int port);
+
+u16 __inw(unsigned int port);
+void __outw(u16 val, unsigned int port);
+
+u32 __inl(unsigned int port);
+void __outl(u32 val, unsigned int port);
+
+u8  __readb(const volatile void __iomem *addr);
+u16 __readw(const volatile void __iomem *addr);
+u32 __readl(const volatile void __iomem *addr);
+
+void __writeb(u8  val, void __iomem *addr);
+void __writew(u16 val, void __iomem *addr);
+void __writel(u32 val, void __iomem *addr);
+
+/*
+ * Argh, someone forgot the IOCS16 line.  We therefore have to handle
+ * the byte stearing by selecting the correct byte IO functions here.
+ */
+#ifdef ISA_SIXTEEN_BIT_PERIPHERAL
+#define inb(p) 			__inb16(p)
+#define outb(v,p)		__outb16(v,p)
+#else
+#define inb(p)			__inb8(p)
+#define outb(v,p)		__outb8(v,p)
+#endif
+
+#define inw(p)			__inw(p)
+#define outw(v,p)		__outw(v,p)
+
+#define inl(p)			__inl(p)
+#define outl(v,p)		__outl(v,p)
+
+#define readb(b)		__readb(b)
+#define readw(b)		__readw(b)
+#define readl(b)		__readl(b)
+#define readb_relaxed(addr)	readb(addr)
+#define readw_relaxed(addr)	readw(addr)
+#define readl_relaxed(addr)	readl(addr)
+
+#define writeb(v,b)		__writeb(v,b)
+#define writew(v,b)		__writew(v,b)
+#define writel(v,b)		__writel(v,b)
+
+static inline void __iomem *__arch_ioremap(unsigned long cookie, size_t size,
+					   unsigned int flags)
+{
+	return (void __iomem *)cookie;
+}
+
+#define __arch_ioremap		__arch_ioremap
+#define __arch_iounmap(cookie)	do { } while (0)
+
+extern void insb(unsigned int port, void *buf, int sz);
+extern void insw(unsigned int port, void *buf, int sz);
+extern void insl(unsigned int port, void *buf, int sz);
+
+extern void outsb(unsigned int port, const void *buf, int sz);
+extern void outsw(unsigned int port, const void *buf, int sz);
+extern void outsl(unsigned int port, const void *buf, int sz);
+
+/* can't support writesb atm */
+extern void writesw(void __iomem *addr, const void *data, int wordlen);
+extern void writesl(void __iomem *addr, const void *data, int longlen);
+
+/* can't support readsb atm */
+extern void readsw(const void __iomem *addr, void *data, int wordlen);
+extern void readsl(const void __iomem *addr, void *data, int longlen);
+
+#endif
diff --git a/arch/arm/mach-ebsa110/include/mach/irqs.h b/arch/arm/mach-ebsa110/include/mach/irqs.h
new file mode 100644
index 000000000000..a8f3771bc060
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/irqs.h
@@ -0,0 +1,20 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/irqs.h
+ *
+ *  Copyright (C) 1996 Russell King
+ *
+ * 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.
+ */
+
+#define NR_IRQS			8
+
+#define IRQ_EBSA110_PRINTER	0
+#define IRQ_EBSA110_COM1	1
+#define IRQ_EBSA110_COM2	2
+#define IRQ_EBSA110_ETHERNET	3
+#define IRQ_EBSA110_TIMER0	4
+#define IRQ_EBSA110_TIMER1	5
+#define IRQ_EBSA110_PCMCIA	6
+#define IRQ_EBSA110_IMMEDIATE	7
diff --git a/arch/arm/mach-ebsa110/include/mach/memory.h b/arch/arm/mach-ebsa110/include/mach/memory.h
new file mode 100644
index 000000000000..eea4b75b657b
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/memory.h
@@ -0,0 +1,37 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/memory.h
+ *
+ *  Copyright (C) 1996-1999 Russell King.
+ *
+ * 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.
+ *
+ *  Changelog:
+ *   20-Oct-1996 RMK	Created
+ *   31-Dec-1997 RMK	Fixed definitions to reduce warnings
+ *   21-Mar-1999 RMK	Renamed to memory.h
+ *		 RMK	Moved TASK_SIZE and PAGE_OFFSET here
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PHYS_OFFSET	UL(0x00000000)
+
+/*
+ * We keep this 1:1 so that we don't interfere
+ * with the PCMCIA memory regions
+ */
+#define __virt_to_bus(x)	(x)
+#define __bus_to_virt(x)	(x)
+
+/*
+ * Cache flushing area - SRAM
+ */
+#define FLUSH_BASE_PHYS		0x40000000
+#define FLUSH_BASE		0xdf000000
+
+#endif
diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h
new file mode 100644
index 000000000000..350a028997ef
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/system.h
@@ -0,0 +1,39 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/system.h
+ *
+ *  Copyright (C) 1996-2000 Russell King.
+ *
+ * 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
+
+/*
+ * EBSA110 idling methodology:
+ *
+ * We can not execute the "wait for interrupt" instruction since that
+ * will stop our MCLK signal (which provides the clock for the glue
+ * logic, and therefore the timer interrupt).
+ *
+ * Instead, we spin, polling the IRQ_STAT register for the occurrence
+ * of any interrupt with core clock down to the memory clock.
+ */
+static inline void arch_idle(void)
+{
+	const char *irq_stat = (char *)0xff000000;
+
+	/* disable clock switching */
+	asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc");
+
+	/* wait for an interrupt to occur */
+	while (!*irq_stat);
+
+	/* enable clock switching */
+	asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc");
+}
+
+#define arch_reset(mode)	cpu_reset(0x80000000)
+
+#endif
diff --git a/arch/arm/mach-ebsa110/include/mach/timex.h b/arch/arm/mach-ebsa110/include/mach/timex.h
new file mode 100644
index 000000000000..4fb43b22a102
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/timex.h
@@ -0,0 +1,19 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/timex.h
+ *
+ *  Copyright (C) 1997, 1998 Russell King
+ *
+ * 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.
+ *
+ *  EBSA110 architecture timex specifications
+ */
+
+/*
+ * On the EBSA, the clock ticks at weird rates.
+ * This is therefore not used to calculate the
+ * divisor.
+ */
+#define CLOCK_TICK_RATE		47894000
+
diff --git a/arch/arm/mach-ebsa110/include/mach/uncompress.h b/arch/arm/mach-ebsa110/include/mach/uncompress.h
new file mode 100644
index 000000000000..32041509fbf8
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/uncompress.h
@@ -0,0 +1,45 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/uncompress.h
+ *
+ *  Copyright (C) 1996,1997,1998 Russell King
+ *
+ * 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 <linux/serial_reg.h>
+
+#define SERIAL_BASE	((unsigned char *)0xf0000be0)
+
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+	unsigned char v, *base = SERIAL_BASE;
+
+	do {
+		v = base[UART_LSR << 2];
+		barrier();
+	} while (!(v & UART_LSR_THRE));
+
+	base[UART_TX << 2] = c;
+}
+
+static inline void flush(void)
+{
+	unsigned char v, *base = SERIAL_BASE;
+
+	do {
+		v = base[UART_LSR << 2];
+		barrier();
+	} while ((v & (UART_LSR_TEMT|UART_LSR_THRE)) !=
+		 (UART_LSR_TEMT|UART_LSR_THRE));
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/arch/arm/mach-ebsa110/include/mach/vmalloc.h b/arch/arm/mach-ebsa110/include/mach/vmalloc.h
new file mode 100644
index 000000000000..9b44c19e95ec
--- /dev/null
+++ b/arch/arm/mach-ebsa110/include/mach/vmalloc.h
@@ -0,0 +1,10 @@
+/*
+ *  arch/arm/mach-ebsa110/include/mach/vmalloc.h
+ *
+ *  Copyright (C) 1998 Russell King
+ *
+ * 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.
+ */
+#define VMALLOC_END       (PAGE_OFFSET + 0x1f000000)