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-rw-r--r--include/asm-arm/arch-shark/debug-macro.S31
-rw-r--r--include/asm-arm/arch-shark/dma.h18
-rw-r--r--include/asm-arm/arch-shark/entry-macro.S35
-rw-r--r--include/asm-arm/arch-shark/hardware.h57
-rw-r--r--include/asm-arm/arch-shark/io.h199
-rw-r--r--include/asm-arm/arch-shark/irqs.h13
-rw-r--r--include/asm-arm/arch-shark/memory.h42
-rw-r--r--include/asm-arm/arch-shark/param.h5
-rw-r--r--include/asm-arm/arch-shark/system.h28
-rw-r--r--include/asm-arm/arch-shark/timex.h7
-rw-r--r--include/asm-arm/arch-shark/uncompress.h60
-rw-r--r--include/asm-arm/arch-shark/vmalloc.h15
12 files changed, 510 insertions, 0 deletions
diff --git a/include/asm-arm/arch-shark/debug-macro.S b/include/asm-arm/arch-shark/debug-macro.S
new file mode 100644
index 000000000000..7cb37f78825e
--- /dev/null
+++ b/include/asm-arm/arch-shark/debug-macro.S
@@ -0,0 +1,31 @@
1/* linux/include/asm-arm/arch-shark/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/include/asm-arm/arch-shark/dma.h b/include/asm-arm/arch-shark/dma.h
new file mode 100644
index 000000000000..fc985d5e62af
--- /dev/null
+++ b/include/asm-arm/arch-shark/dma.h
@@ -0,0 +1,18 @@
1/*
2 * linux/include/asm-arm/arch-shark/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/include/asm-arm/arch-shark/entry-macro.S b/include/asm-arm/arch-shark/entry-macro.S
new file mode 100644
index 000000000000..a924f27fb8d9
--- /dev/null
+++ b/include/asm-arm/arch-shark/entry-macro.S
@@ -0,0 +1,35 @@
1/*
2 * include/asm-arm/arch-shark/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_and_base, irqnr, irqstat, base, tmp
14 mov r4, #0xe0000000
15
16 mov \irqstat, #0x0C
17 strb \irqstat, [r4, #0x20] @outb(0x0C, 0x20) /* Poll command */
18 ldrb \irqnr, [r4, #0x20] @irq = inb(0x20) & 7
19 and \irqstat, \irqnr, #0x80
20 teq \irqstat, #0
21 beq 43f
22 and \irqnr, \irqnr, #7
23 teq \irqnr, #2
24 bne 44f
2543: mov \irqstat, #0x0C
26 strb \irqstat, [r4, #0xa0] @outb(0x0C, 0xA0) /* Poll command */
27 ldrb \irqnr, [r4, #0xa0] @irq = (inb(0xA0) & 7) + 8
28 and \irqstat, \irqnr, #0x80
29 teq \irqstat, #0
30 beq 44f
31 and \irqnr, \irqnr, #7
32 add \irqnr, \irqnr, #8
3344: teq \irqstat, #0
34 .endm
35
diff --git a/include/asm-arm/arch-shark/hardware.h b/include/asm-arm/arch-shark/hardware.h
new file mode 100644
index 000000000000..4d35f8c154c3
--- /dev/null
+++ b/include/asm-arm/arch-shark/hardware.h
@@ -0,0 +1,57 @@
1/*
2 * linux/include/asm-arm/arch-shark/hardware.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * linux/include/asm-arm/arch-ebsa110/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/*
21 * RAM definitions
22 */
23#define FLUSH_BASE_PHYS 0x80000000
24
25#else
26
27#define IO_BASE 0
28
29#endif
30
31#define IO_SIZE 0x08000000
32#define IO_START 0x40000000
33#define ROMCARD_SIZE 0x08000000
34#define ROMCARD_START 0x10000000
35
36#define FLUSH_BASE 0xdf000000
37#define PCIO_BASE 0xe0000000
38
39
40/* defines for the Framebuffer */
41#define FB_START 0x06000000
42#define FB_SIZE 0x01000000
43
44#define UNCACHEABLE_ADDR 0xdf010000
45
46#define SEQUOIA_LED_GREEN (1<<6)
47#define SEQUOIA_LED_AMBER (1<<5)
48#define SEQUOIA_LED_BACK (1<<7)
49
50#define pcibios_assign_all_busses() 1
51
52#define PCIBIOS_MIN_IO 0x6000
53#define PCIBIOS_MIN_MEM 0x50000000
54#define PCIMEM_BASE 0xe8000000
55
56#endif
57
diff --git a/include/asm-arm/arch-shark/io.h b/include/asm-arm/arch-shark/io.h
new file mode 100644
index 000000000000..1e7f26bc2e1d
--- /dev/null
+++ b/include/asm-arm/arch-shark/io.h
@@ -0,0 +1,199 @@
1/*
2 * linux/include/asm-arm/arch-shark/io.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * linux/include/asm-arm/arch-ebsa110/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#define IO_SPACE_LIMIT 0xffffffff
15
16/*
17 * We use two different types of addressing - PC style addresses, and ARM
18 * addresses. PC style accesses the PC hardware with the normal PC IO
19 * addresses, eg 0x3f8 for serial#1. ARM addresses are 0x80000000+
20 * and are translated to the start of IO.
21 */
22#define __PORT_PCIO(x) (!((x) & 0x80000000))
23
24/*
25 * Dynamic IO functions - let the compiler
26 * optimize the expressions
27 */
28#define DECLARE_DYN_OUT(fnsuffix,instr) \
29static inline void __out##fnsuffix (unsigned int value, unsigned int port) \
30{ \
31 unsigned long temp; \
32 __asm__ __volatile__( \
33 "tst %2, #0x80000000\n\t" \
34 "mov %0, %4\n\t" \
35 "addeq %0, %0, %3\n\t" \
36 "str" instr " %1, [%0, %2] @ out" #fnsuffix \
37 : "=&r" (temp) \
38 : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \
39 : "cc"); \
40}
41
42#define DECLARE_DYN_IN(sz,fnsuffix,instr) \
43static inline unsigned sz __in##fnsuffix (unsigned int port) \
44{ \
45 unsigned long temp, value; \
46 __asm__ __volatile__( \
47 "tst %2, #0x80000000\n\t" \
48 "mov %0, %4\n\t" \
49 "addeq %0, %0, %3\n\t" \
50 "ldr" instr " %1, [%0, %2] @ in" #fnsuffix \
51 : "=&r" (temp), "=r" (value) \
52 : "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \
53 : "cc"); \
54 return (unsigned sz)value; \
55}
56
57static inline unsigned int __ioaddr (unsigned int port) \
58{ \
59 if (__PORT_PCIO(port)) \
60 return (unsigned int)(PCIO_BASE + (port)); \
61 else \
62 return (unsigned int)(IO_BASE + (port)); \
63}
64
65#define DECLARE_IO(sz,fnsuffix,instr) \
66 DECLARE_DYN_OUT(fnsuffix,instr) \
67 DECLARE_DYN_IN(sz,fnsuffix,instr)
68
69DECLARE_IO(char,b,"b")
70DECLARE_IO(short,w,"h")
71DECLARE_IO(long,l,"")
72
73#undef DECLARE_IO
74#undef DECLARE_DYN_OUT
75#undef DECLARE_DYN_IN
76
77/*
78 * Constant address IO functions
79 *
80 * These have to be macros for the 'J' constraint to work -
81 * +/-4096 immediate operand.
82 */
83#define __outbc(value,port) \
84({ \
85 if (__PORT_PCIO((port))) \
86 __asm__ __volatile__( \
87 "strb %0, [%1, %2] @ outbc" \
88 : : "r" (value), "r" (PCIO_BASE), "Jr" (port)); \
89 else \
90 __asm__ __volatile__( \
91 "strb %0, [%1, %2] @ outbc" \
92 : : "r" (value), "r" (IO_BASE), "r" (port)); \
93})
94
95#define __inbc(port) \
96({ \
97 unsigned char result; \
98 if (__PORT_PCIO((port))) \
99 __asm__ __volatile__( \
100 "ldrb %0, [%1, %2] @ inbc" \
101 : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
102 else \
103 __asm__ __volatile__( \
104 "ldrb %0, [%1, %2] @ inbc" \
105 : "=r" (result) : "r" (IO_BASE), "r" (port)); \
106 result; \
107})
108
109#define __outwc(value,port) \
110({ \
111 unsigned long v = value; \
112 if (__PORT_PCIO((port))) \
113 __asm__ __volatile__( \
114 "strh %0, [%1, %2] @ outwc" \
115 : : "r" (v|v<<16), "r" (PCIO_BASE), "Jr" (port)); \
116 else \
117 __asm__ __volatile__( \
118 "strh %0, [%1, %2] @ outwc" \
119 : : "r" (v|v<<16), "r" (IO_BASE), "r" (port)); \
120})
121
122#define __inwc(port) \
123({ \
124 unsigned short result; \
125 if (__PORT_PCIO((port))) \
126 __asm__ __volatile__( \
127 "ldrh %0, [%1, %2] @ inwc" \
128 : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
129 else \
130 __asm__ __volatile__( \
131 "ldrh %0, [%1, %2] @ inwc" \
132 : "=r" (result) : "r" (IO_BASE), "r" (port)); \
133 result & 0xffff; \
134})
135
136#define __outlc(value,port) \
137({ \
138 unsigned long v = value; \
139 if (__PORT_PCIO((port))) \
140 __asm__ __volatile__( \
141 "str %0, [%1, %2] @ outlc" \
142 : : "r" (v), "r" (PCIO_BASE), "Jr" (port)); \
143 else \
144 __asm__ __volatile__( \
145 "str %0, [%1, %2] @ outlc" \
146 : : "r" (v), "r" (IO_BASE), "r" (port)); \
147})
148
149#define __inlc(port) \
150({ \
151 unsigned long result; \
152 if (__PORT_PCIO((port))) \
153 __asm__ __volatile__( \
154 "ldr %0, [%1, %2] @ inlc" \
155 : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \
156 else \
157 __asm__ __volatile__( \
158 "ldr %0, [%1, %2] @ inlc" \
159 : "=r" (result) : "r" (IO_BASE), "r" (port)); \
160 result; \
161})
162
163#define __ioaddrc(port) \
164({ \
165 unsigned long addr; \
166 if (__PORT_PCIO((port))) \
167 addr = PCIO_BASE + (port); \
168 else \
169 addr = IO_BASE + (port); \
170 addr; \
171})
172
173#define __mem_pci(addr) (addr)
174
175#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p))
176#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p))
177#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p))
178#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p))
179#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p))
180#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p))
181
182/*
183 * Translated address IO functions
184 *
185 * IO address has already been translated to a virtual address
186 */
187#define outb_t(v,p) \
188 (*(volatile unsigned char *)(p) = (v))
189
190#define inb_t(p) \
191 (*(volatile unsigned char *)(p))
192
193#define outl_t(v,p) \
194 (*(volatile unsigned long *)(p) = (v))
195
196#define inl_t(p) \
197 (*(volatile unsigned long *)(p))
198
199#endif
diff --git a/include/asm-arm/arch-shark/irqs.h b/include/asm-arm/arch-shark/irqs.h
new file mode 100644
index 000000000000..b36cc975b290
--- /dev/null
+++ b/include/asm-arm/arch-shark/irqs.h
@@ -0,0 +1,13 @@
1/*
2 * linux/include/asm-arm/arch-shark/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/include/asm-arm/arch-shark/memory.h b/include/asm-arm/arch-shark/memory.h
new file mode 100644
index 000000000000..8ff956d25463
--- /dev/null
+++ b/include/asm-arm/arch-shark/memory.h
@@ -0,0 +1,42 @@
1/*
2 * linux/include/asm-arm/arch-shark/memory.h
3 *
4 * by Alexander Schulz
5 *
6 * derived from:
7 * linux/include/asm-arm/arch-ebsa110/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 (0x08000000UL)
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#endif
diff --git a/include/asm-arm/arch-shark/param.h b/include/asm-arm/arch-shark/param.h
new file mode 100644
index 000000000000..997eeb71de00
--- /dev/null
+++ b/include/asm-arm/arch-shark/param.h
@@ -0,0 +1,5 @@
1/*
2 * linux/include/asm-arm/arch-shark/param.h
3 *
4 * by Alexander Schulz
5 */
diff --git a/include/asm-arm/arch-shark/system.h b/include/asm-arm/arch-shark/system.h
new file mode 100644
index 000000000000..f12d771ab4ce
--- /dev/null
+++ b/include/asm-arm/arch-shark/system.h
@@ -0,0 +1,28 @@
1/*
2 * linux/include/asm-arm/arch-shark/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/include/asm-arm/arch-shark/timex.h b/include/asm-arm/arch-shark/timex.h
new file mode 100644
index 000000000000..0d02d255513b
--- /dev/null
+++ b/include/asm-arm/arch-shark/timex.h
@@ -0,0 +1,7 @@
1/*
2 * linux/include/asm-arm/arch-shark/timex.h
3 *
4 * by Alexander Schulz
5 */
6
7#define CLOCK_TICK_RATE 1193180
diff --git a/include/asm-arm/arch-shark/uncompress.h b/include/asm-arm/arch-shark/uncompress.h
new file mode 100644
index 000000000000..910a8e0a0ca5
--- /dev/null
+++ b/include/asm-arm/arch-shark/uncompress.h
@@ -0,0 +1,60 @@
1/*
2 * linux/include/asm-arm/arch-shark/uncompress.h
3 * by Alexander Schulz
4 *
5 * derived from:
6 * linux/include/asm-arm/arch-ebsa285/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(char c)
13{
14 int t;
15
16 SERIAL_BASE[0] = c;
17 t=0x10000;
18 while (t--);
19}
20
21/*
22 * This does not append a newline
23 */
24static void putstr(const char *s)
25{
26 while (*s) {
27 putc(*s);
28 if (*s == '\n')
29 putc('\r');
30 s++;
31 }
32}
33
34#ifdef DEBUG
35static void putn(unsigned long z)
36{
37 int i;
38 char x;
39
40 putc('0');
41 putc('x');
42 for (i=0;i<8;i++) {
43 x='0'+((z>>((7-i)*4))&0xf);
44 if (x>'9') x=x-'0'+'A'-10;
45 putc(x);
46 }
47}
48
49static void putr()
50{
51 putc('\n');
52 putc('\r');
53}
54#endif
55
56/*
57 * nothing to do
58 */
59#define arch_decomp_setup()
60#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-shark/vmalloc.h b/include/asm-arm/arch-shark/vmalloc.h
new file mode 100644
index 000000000000..1cc20098f690
--- /dev/null
+++ b/include/asm-arm/arch-shark/vmalloc.h
@@ -0,0 +1,15 @@
1/*
2 * linux/include/asm-arm/arch-rpc/vmalloc.h
3 */
4
5/*
6 * Just any arbitrary offset to the start of the vmalloc VM area: the
7 * current 8MB value just means that there will be a 8MB "hole" after the
8 * physical memory until the kernel virtual memory starts. That means that
9 * any out-of-bounds memory accesses will hopefully be caught.
10 * The vmalloc() routines leaves a hole of 4kB between each vmalloced
11 * area for the same reason. ;)
12 */
13#define VMALLOC_OFFSET (8*1024*1024)
14#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
15#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-22 22:53:13 -0500