14 files changed, 399 insertions, 3 deletions

diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 31f4f213cce3..65cc7c271917 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -15,7 +15,7 @@
 #include <linux/serial_8250.h>
 #include <linux/init.h>
 
-#include <asm/arch/hardware.h>
+#include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/io.h>
 #include <asm/setup.h>
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)
diff --git a/arch/arm/mach-ebsa110/io.c b/arch/arm/mach-ebsa110/io.c
index a2027adeefcb..53748f5462e9 100644
--- a/arch/arm/mach-ebsa110/io.c
+++ b/arch/arm/mach-ebsa110/io.c
@@ -24,7 +24,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 
-#include <asm/arch/hardware.h>
+#include <mach/hardware.h>
 #include <asm/io.h>
 #include <asm/page.h>
 
diff --git a/arch/arm/mach-ebsa110/leds.c b/arch/arm/mach-ebsa110/leds.c
index b16d01679772..6a6ea57c2a4e 100644
--- a/arch/arm/mach-ebsa110/leds.c
+++ b/arch/arm/mach-ebsa110/leds.c
@@ -15,7 +15,7 @@
 #include <linux/spinlock.h>
 #include <linux/init.h>
 
-#include <asm/arch/hardware.h>
+#include <mach/hardware.h>
 #include <asm/leds.h>
 #include <asm/system.h>
 #include <asm/mach-types.h>