aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-shark
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-shark')
-rw-r--r--arch/arm/mach-shark/include/mach/debug-macro.S31
-rw-r--r--arch/arm/mach-shark/include/mach/dma.h18
-rw-r--r--arch/arm/mach-shark/include/mach/entry-macro.S41
-rw-r--r--arch/arm/mach-shark/include/mach/hardware.h51
-rw-r--r--arch/arm/mach-shark/include/mach/io.h56
-rw-r--r--arch/arm/mach-shark/include/mach/irqs.h13
-rw-r--r--arch/arm/mach-shark/include/mach/memory.h48
-rw-r--r--arch/arm/mach-shark/include/mach/system.h28
-rw-r--r--arch/arm/mach-shark/include/mach/timex.h7
-rw-r--r--arch/arm/mach-shark/include/mach/uncompress.h51
-rw-r--r--arch/arm/mach-shark/include/mach/vmalloc.h4
-rw-r--r--arch/arm/mach-shark/irq.c2
-rw-r--r--arch/arm/mach-shark/leds.c2
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 000000000000..0836cb78b29a
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/debug-macro.S
@@ -0,0 +1,31 @@
1/* arch/arm/mach-shark/include/mach/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14 .macro addruart,rx
15 mov \rx, #0xe0000000
16 orr \rx, \rx, #0x000003f8
17 .endm
18
19 .macro senduart,rd,rx
20 strb \rd, [\rx]
21 .endm
22
23 .macro busyuart,rd,rx
24 mov \rd, #0
251001: add \rd, \rd, #1
26 teq \rd, #0x10000
27 bne 1001b
28 .endm
29
30 .macro waituart,rd,rx
31 .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 000000000000..c0a29bd2a74f
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/dma.h
@@ -0,0 +1,18 @@
1/*
2 * arch/arm/mach-shark/include/mach/dma.h
3 *
4 * by Alexander Schulz
5 */
6#ifndef __ASM_ARCH_DMA_H
7#define __ASM_ARCH_DMA_H
8
9/* Use only the lowest 4MB, nothing else works.
10 * The rest is not DMAable. See dev / .properties
11 * in OpenFirmware.
12 */
13#define MAX_DMA_ADDRESS 0xC0400000
14#define MAX_DMA_CHANNELS 8
15#define DMA_ISA_CASCADE 4
16
17#endif /* _ASM_ARCH_DMA_H */
18
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 000000000000..e2853c0a3333
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/entry-macro.S
@@ -0,0 +1,41 @@
1/*
2 * arch/arm/mach-shark/include/mach/entry-macro.S
3 *
4 * Low-level IRQ helper macros for Shark platform
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10 .macro disable_fiq
11 .endm
12
13 .macro get_irqnr_preamble, base, tmp
14 .endm
15
16 .macro arch_ret_to_user, tmp1, tmp2
17 .endm
18
19 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
20 mov r4, #0xe0000000
21
22 mov \irqstat, #0x0C
23 strb \irqstat, [r4, #0x20] @outb(0x0C, 0x20) /* Poll command */
24 ldrb \irqnr, [r4, #0x20] @irq = inb(0x20) & 7
25 and \irqstat, \irqnr, #0x80
26 teq \irqstat, #0
27 beq 43f
28 and \irqnr, \irqnr, #7
29 teq \irqnr, #2
30 bne 44f
3143: mov \irqstat, #0x0C
32 strb \irqstat, [r4, #0xa0] @outb(0x0C, 0xA0) /* Poll command */
33 ldrb \irqnr, [r4, #0xa0] @irq = (inb(0xA0) & 7) + 8
34 and \irqstat, \irqnr, #0x80
35 teq \irqstat, #0
36 beq 44f
37 and \irqnr, \irqnr, #7
38 add \irqnr, \irqnr, #8
3944: teq \irqstat, #0
40 .endm
41
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 000000000000..cb0ee2943c1a
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/hardware.h
@@ -0,0 +1,51 @@
1/*
2 * arch/arm/mach-shark/include/mach/hardware.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * arch/arm/mach-ebsa110/include/mach/hardware.h
8 * Copyright (C) 1996-1999 Russell King.
9 */
10#ifndef __ASM_ARCH_HARDWARE_H
11#define __ASM_ARCH_HARDWARE_H
12
13#ifndef __ASSEMBLY__
14
15/*
16 * Mapping areas
17 */
18#define IO_BASE 0xe0000000
19
20#else
21
22#define IO_BASE 0
23
24#endif
25
26#define IO_SIZE 0x08000000
27#define IO_START 0x40000000
28#define ROMCARD_SIZE 0x08000000
29#define ROMCARD_START 0x10000000
30
31#define PCIO_BASE 0xe0000000
32
33
34/* defines for the Framebuffer */
35#define FB_START 0x06000000
36#define FB_SIZE 0x01000000
37
38#define UNCACHEABLE_ADDR 0xdf010000
39
40#define SEQUOIA_LED_GREEN (1<<6)
41#define SEQUOIA_LED_AMBER (1<<5)
42#define SEQUOIA_LED_BACK (1<<7)
43
44#define pcibios_assign_all_busses() 1
45
46#define PCIBIOS_MIN_IO 0x6000
47#define PCIBIOS_MIN_MEM 0x50000000
48#define PCIMEM_BASE 0xe8000000
49
50#endif
51
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 000000000000..92475922c068
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/io.h
@@ -0,0 +1,56 @@
1/*
2 * arch/arm/mach-shark/include/mach/io.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * arch/arm/mach-ebsa110/include/mach/io.h
8 * Copyright (C) 1997,1998 Russell King
9 */
10
11#ifndef __ASM_ARM_ARCH_IO_H
12#define __ASM_ARM_ARCH_IO_H
13
14#include <mach/hardware.h>
15
16#define IO_SPACE_LIMIT 0xffffffff
17
18/*
19 * We use two different types of addressing - PC style addresses, and ARM
20 * addresses. PC style accesses the PC hardware with the normal PC IO
21 * addresses, eg 0x3f8 for serial#1. ARM addresses are 0x80000000+
22 * and are translated to the start of IO.
23 */
24#define __PORT_PCIO(x) (!((x) & 0x80000000))
25
26#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
27
28
29static inline unsigned int __ioaddr (unsigned int port) \
30{ \
31 if (__PORT_PCIO(port)) \
32 return (unsigned int)(PCIO_BASE + (port)); \
33 else \
34 return (unsigned int)(IO_BASE + (port)); \
35}
36
37#define __mem_pci(addr) (addr)
38
39/*
40 * Translated address IO functions
41 *
42 * IO address has already been translated to a virtual address
43 */
44#define outb_t(v,p) \
45 (*(volatile unsigned char *)(p) = (v))
46
47#define inb_t(p) \
48 (*(volatile unsigned char *)(p))
49
50#define outl_t(v,p) \
51 (*(volatile unsigned long *)(p) = (v))
52
53#define inl_t(p) \
54 (*(volatile unsigned long *)(p))
55
56#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 000000000000..0586acd7cdd5
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/irqs.h
@@ -0,0 +1,13 @@
1/*
2 * arch/arm/mach-shark/include/mach/irqs.h
3 *
4 * by Alexander Schulz
5 */
6
7#define NR_IRQS 16
8
9#define IRQ_ISA_KEYBOARD 1
10#define RTC_IRQ 8
11#define I8042_KBD_IRQ 1
12#define I8042_AUX_IRQ 12
13#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 000000000000..b7874ad9f9f6
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/memory.h
@@ -0,0 +1,48 @@
1/*
2 * arch/arm/mach-shark/include/mach/memory.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * arch/arm/mach-ebsa110/include/mach/memory.h
8 * Copyright (c) 1996-1999 Russell King.
9 */
10#ifndef __ASM_ARCH_MEMORY_H
11#define __ASM_ARCH_MEMORY_H
12
13#include <asm/sizes.h>
14
15/*
16 * Physical DRAM offset.
17 */
18#define PHYS_OFFSET UL(0x08000000)
19
20#ifndef __ASSEMBLY__
21
22static inline void __arch_adjust_zones(int node, unsigned long *zone_size, unsigned long *zhole_size)
23{
24 if (node != 0) return;
25 /* Only the first 4 MB (=1024 Pages) are usable for DMA */
26 zone_size[1] = zone_size[0] - 1024;
27 zone_size[0] = 1024;
28 zhole_size[1] = zhole_size[0];
29 zhole_size[0] = 0;
30}
31
32#define arch_adjust_zones(node, size, holes) \
33 __arch_adjust_zones(node, size, holes)
34
35#define ISA_DMA_THRESHOLD (PHYS_OFFSET + SZ_4M - 1)
36
37#endif
38
39#define __virt_to_bus(x) __virt_to_phys(x)
40#define __bus_to_virt(x) __phys_to_virt(x)
41
42/*
43 * Cache flushing area
44 */
45#define FLUSH_BASE_PHYS 0x80000000
46#define FLUSH_BASE 0xdf000000
47
48#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 000000000000..85aceef6f874
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/system.h
@@ -0,0 +1,28 @@
1/*
2 * arch/arm/mach-shark/include/mach/system.h
3 *
4 * by Alexander Schulz
5 */
6#ifndef __ASM_ARCH_SYSTEM_H
7#define __ASM_ARCH_SYSTEM_H
8
9#include <asm/io.h>
10
11static void arch_reset(char mode)
12{
13 short temp;
14 local_irq_disable();
15 /* Reset the Machine via pc[3] of the sequoia chipset */
16 outw(0x09,0x24);
17 temp=inw(0x26);
18 temp = temp | (1<<3) | (1<<10);
19 outw(0x09,0x24);
20 outw(temp,0x26);
21
22}
23
24static inline void arch_idle(void)
25{
26}
27
28#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 000000000000..bb6eeaebed86
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/timex.h
@@ -0,0 +1,7 @@
1/*
2 * arch/arm/mach-shark/include/mach/timex.h
3 *
4 * by Alexander Schulz
5 */
6
7#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 000000000000..3725e1633418
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/uncompress.h
@@ -0,0 +1,51 @@
1/*
2 * arch/arm/mach-shark/include/mach/uncompress.h
3 * by Alexander Schulz
4 *
5 * derived from:
6 * arch/arm/mach-footbridge/include/mach/uncompress.h
7 * Copyright (C) 1996,1997,1998 Russell King
8 */
9
10#define SERIAL_BASE ((volatile unsigned char *)0x400003f8)
11
12static inline void putc(int c)
13{
14 int t;
15
16 SERIAL_BASE[0] = c;
17 t=0x10000;
18 while (t--);
19}
20
21static inline void flush(void)
22{
23}
24
25#ifdef DEBUG
26static void putn(unsigned long z)
27{
28 int i;
29 char x;
30
31 putc('0');
32 putc('x');
33 for (i=0;i<8;i++) {
34 x='0'+((z>>((7-i)*4))&0xf);
35 if (x>'9') x=x-'0'+'A'-10;
36 putc(x);
37 }
38}
39
40static void putr()
41{
42 putc('\n');
43 putc('\r');
44}
45#endif
46
47/*
48 * nothing to do
49 */
50#define arch_decomp_setup()
51#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 000000000000..f6c6837c5451
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/vmalloc.h
@@ -0,0 +1,4 @@
1/*
2 * arch/arm/mach-shark/include/mach/vmalloc.h
3 */
4#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
diff --git a/arch/arm/mach-shark/irq.c b/arch/arm/mach-shark/irq.c
index 5b0c6af44ec6..44b0811b400c 100644
--- a/arch/arm/mach-shark/irq.c
+++ b/arch/arm/mach-shark/irq.c
@@ -4,7 +4,7 @@
4 * by Alexander Schulz 4 * by Alexander Schulz
5 * 5 *
6 * derived from linux/arch/ppc/kernel/i8259.c and: 6 * derived from linux/arch/ppc/kernel/i8259.c and:
7 * include/asm-arm/arch-ebsa110/irq.h 7 * arch/arm/mach-ebsa110/include/mach/irq.h
8 * Copyright (C) 1996-1998 Russell King 8 * Copyright (C) 1996-1998 Russell King
9 */ 9 */
10 10
diff --git a/arch/arm/mach-shark/leds.c b/arch/arm/mach-shark/leds.c
index 333ece0aad49..b1896471aa3c 100644
--- a/arch/arm/mach-shark/leds.c
+++ b/arch/arm/mach-shark/leds.c
@@ -21,7 +21,7 @@
21#include <linux/spinlock.h> 21#include <linux/spinlock.h>
22#include <linux/ioport.h> 22#include <linux/ioport.h>
23 23
24#include <asm/arch/hardware.h> 24#include <mach/hardware.h>
25#include <asm/leds.h> 25#include <asm/leds.h>
26#include <asm/io.h> 26#include <asm/io.h>
27#include <asm/system.h> 27#include <asm/system.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-26 19:57:32 -0500