diff options
Diffstat (limited to 'arch/arm/mach-shark')
| -rw-r--r-- | arch/arm/mach-shark/include/mach/debug-macro.S | 31 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/dma.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/entry-macro.S | 41 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/hardware.h | 51 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/io.h | 56 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/irqs.h | 13 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/memory.h | 48 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/system.h | 28 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/timex.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/uncompress.h | 51 | ||||
| -rw-r--r-- | arch/arm/mach-shark/include/mach/vmalloc.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-shark/irq.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-shark/leds.c | 2 |
13 files changed, 350 insertions, 2 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) diff --git a/arch/arm/mach-shark/irq.c b/arch/arm/mach-shark/irq.c index 5b0c6af44ec..44b0811b400 100644 --- a/arch/arm/mach-shark/irq.c +++ b/arch/arm/mach-shark/irq.c @@ -4,7 +4,7 @@ * by Alexander Schulz * * derived from linux/arch/ppc/kernel/i8259.c and: - * include/asm-arm/arch-ebsa110/irq.h + * arch/arm/mach-ebsa110/include/mach/irq.h * Copyright (C) 1996-1998 Russell King */ diff --git a/arch/arm/mach-shark/leds.c b/arch/arm/mach-shark/leds.c index 333ece0aad4..b1896471aa3 100644 --- a/arch/arm/mach-shark/leds.c +++ b/arch/arm/mach-shark/leds.c @@ -21,7 +21,7 @@ #include <linux/spinlock.h> #include <linux/ioport.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/leds.h> #include <asm/io.h> #include <asm/system.h> |