diff options
Diffstat (limited to 'include/asm-arm/arch-ebsa110')
| -rw-r--r-- | include/asm-arm/arch-ebsa110/debug-macro.S | 34 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/dma.h | 19 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/entry-macro.S | 33 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/hardware.h | 66 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/io.h | 78 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/irqs.h | 20 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/memory.h | 31 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/param.h | 4 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/system.h | 39 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/timex.h | 19 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/uncompress.h | 44 | ||||
| -rw-r--r-- | include/asm-arm/arch-ebsa110/vmalloc.h | 21 |
12 files changed, 408 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa110/debug-macro.S b/include/asm-arm/arch-ebsa110/debug-macro.S new file mode 100644 index 00000000000..dcd03a40c50 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/debug-macro.S @@ -0,0 +1,34 @@ +/* linux/include/asm-arm/arch-ebsa110/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 + + .macro senduart,rd,rx + strb \rd, [\rx] + .endm + + .macro busyuart,rd,rx +1002: ldrb \rd, [\rx, #0x14] + and \rd, \rd, #0x60 + teq \rd, #0x60 + bne 1002b + .endm + + .macro waituart,rd,rx +1001: ldrb \rd, [\rx, #0x18] + tst \rd, #0x10 + beq 1001b + .endm diff --git a/include/asm-arm/arch-ebsa110/dma.h b/include/asm-arm/arch-ebsa110/dma.h new file mode 100644 index 00000000000..d491776ac1c --- /dev/null +++ b/include/asm-arm/arch-ebsa110/dma.h @@ -0,0 +1,19 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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 + */ +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H + +#define MAX_DMA_ADDRESS 0xffffffff +#define MAX_DMA_CHANNELS 0 + +#endif /* _ASM_ARCH_DMA_H */ + diff --git a/include/asm-arm/arch-ebsa110/entry-macro.S b/include/asm-arm/arch-ebsa110/entry-macro.S new file mode 100644 index 00000000000..b12ca04f998 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/entry-macro.S @@ -0,0 +1,33 @@ +/* + * include/asm-arm/arch-ebsa110/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_and_base, irqnr, stat, base, tmp + mov \base, #IRQ_STAT + 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/include/asm-arm/arch-ebsa110/hardware.h b/include/asm-arm/arch-ebsa110/hardware.h new file mode 100644 index 00000000000..4e41c2358f4 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/hardware.h @@ -0,0 +1,66 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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 FLUSH_BASE_PHYS 0x40000000 +#define FLUSH_BASE 0xdf000000 + +#define UNCACHEABLE_ADDR 0xff000000 /* IRQ_STAT */ + +#endif + diff --git a/include/asm-arm/arch-ebsa110/io.h b/include/asm-arm/arch-ebsa110/io.h new file mode 100644 index 00000000000..68e04c0bb3f --- /dev/null +++ b/include/asm-arm/arch-ebsa110/io.h @@ -0,0 +1,78 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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(void __iomem *addr); +u16 __readw(void __iomem *addr); +u32 __readl(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) + +#define __arch_ioremap(cookie,sz,c,a) ((void __iomem *)(cookie)) +#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); + +#endif diff --git a/include/asm-arm/arch-ebsa110/irqs.h b/include/asm-arm/arch-ebsa110/irqs.h new file mode 100644 index 00000000000..ded9bd9d7b8 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/irqs.h @@ -0,0 +1,20 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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/include/asm-arm/arch-ebsa110/memory.h b/include/asm-arm/arch-ebsa110/memory.h new file mode 100644 index 00000000000..5a9493e1227 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/memory.h @@ -0,0 +1,31 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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 (0x00000000UL) + +/* + * 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) + +#endif diff --git a/include/asm-arm/arch-ebsa110/param.h b/include/asm-arm/arch-ebsa110/param.h new file mode 100644 index 00000000000..be19b08d1c7 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/param.h @@ -0,0 +1,4 @@ +/* + * linux/include/asm-arm/arch-ebsa110/param.h + */ +#define HZ 200 diff --git a/include/asm-arm/arch-ebsa110/system.h b/include/asm-arm/arch-ebsa110/system.h new file mode 100644 index 00000000000..d7c8fece0bc --- /dev/null +++ b/include/asm-arm/arch-ebsa110/system.h @@ -0,0 +1,39 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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/include/asm-arm/arch-ebsa110/timex.h b/include/asm-arm/arch-ebsa110/timex.h new file mode 100644 index 00000000000..1e9ef045092 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/timex.h @@ -0,0 +1,19 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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/include/asm-arm/arch-ebsa110/uncompress.h b/include/asm-arm/arch-ebsa110/uncompress.h new file mode 100644 index 00000000000..eee95581a92 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/uncompress.h @@ -0,0 +1,44 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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. + */ + +/* + * This does not append a newline + */ +static void putstr(const char *s) +{ + unsigned long tmp1, tmp2; + __asm__ __volatile__( + "ldrb %0, [%2], #1\n" +" teq %0, #0\n" +" beq 3f\n" +"1: strb %0, [%3]\n" +"2: ldrb %1, [%3, #0x14]\n" +" and %1, %1, #0x60\n" +" teq %1, #0x60\n" +" bne 2b\n" +" teq %0, #'\n'\n" +" moveq %0, #'\r'\n" +" beq 1b\n" +" ldrb %0, [%2], #1\n" +" teq %0, #0\n" +" bne 1b\n" +"3: ldrb %1, [%3, #0x14]\n" +" and %1, %1, #0x60\n" +" teq %1, #0x60\n" +" bne 3b" + : "=&r" (tmp1), "=&r" (tmp2) + : "r" (s), "r" (0xf0000be0) : "cc"); +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/include/asm-arm/arch-ebsa110/vmalloc.h b/include/asm-arm/arch-ebsa110/vmalloc.h new file mode 100644 index 00000000000..759659be109 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/vmalloc.h @@ -0,0 +1,21 @@ +/* + * linux/include/asm-arm/arch-ebsa110/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. + */ + +/* + * Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + */ +#define VMALLOC_OFFSET (8*1024*1024) +#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_END (PAGE_OFFSET + 0x1f000000) |