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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 11:14:15 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:48 -0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-rpc
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-rpc')
-rw-r--r--arch/arm/mach-rpc/dma.c2
-rw-r--r--arch/arm/mach-rpc/include/mach/acornfb.h140
-rw-r--r--arch/arm/mach-rpc/include/mach/debug-macro.S25
-rw-r--r--arch/arm/mach-rpc/include/mach/dma.h33
-rw-r--r--arch/arm/mach-rpc/include/mach/entry-macro.S16
-rw-r--r--arch/arm/mach-rpc/include/mach/hardware.h83
-rw-r--r--arch/arm/mach-rpc/include/mach/io.h258
-rw-r--r--arch/arm/mach-rpc/include/mach/irqs.h46
-rw-r--r--arch/arm/mach-rpc/include/mach/memory.h39
-rw-r--r--arch/arm/mach-rpc/include/mach/system.h27
-rw-r--r--arch/arm/mach-rpc/include/mach/timex.h17
-rw-r--r--arch/arm/mach-rpc/include/mach/uncompress.h198
-rw-r--r--arch/arm/mach-rpc/include/mach/vmalloc.h10
-rw-r--r--arch/arm/mach-rpc/riscpc.c2
14 files changed, 894 insertions, 2 deletions
diff --git a/arch/arm/mach-rpc/dma.c b/arch/arm/mach-rpc/dma.c
index fb1d42b5378..4b19fe48419 100644
--- a/arch/arm/mach-rpc/dma.c
+++ b/arch/arm/mach-rpc/dma.c
@@ -20,7 +20,7 @@
20#include <asm/fiq.h> 20#include <asm/fiq.h>
21#include <asm/io.h> 21#include <asm/io.h>
22#include <asm/irq.h> 22#include <asm/irq.h>
23#include <asm/arch/hardware.h> 23#include <mach/hardware.h>
24#include <asm/uaccess.h> 24#include <asm/uaccess.h>
25 25
26#include <asm/mach/dma.h> 26#include <asm/mach/dma.h>
diff --git a/arch/arm/mach-rpc/include/mach/acornfb.h b/arch/arm/mach-rpc/include/mach/acornfb.h
new file mode 100644
index 00000000000..395d76288ff
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/acornfb.h
@@ -0,0 +1,140 @@
1/*
2 * arch/arm/mach-rpc/include/mach/acornfb.h
3 *
4 * Copyright (C) 1999 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * AcornFB architecture specific code
11 */
12
13#define acornfb_bandwidth(var) ((var)->pixclock * 8 / (var)->bits_per_pixel)
14
15static inline int
16acornfb_valid_pixrate(struct fb_var_screeninfo *var)
17{
18 u_long limit;
19
20 if (!var->pixclock)
21 return 0;
22
23 /*
24 * Limits below are taken from RISC OS bandwidthlimit file
25 */
26 if (current_par.using_vram) {
27 if (current_par.vram_half_sam == 2048)
28 limit = 6578;
29 else
30 limit = 13157;
31 } else {
32 limit = 26315;
33 }
34
35 return acornfb_bandwidth(var) >= limit;
36}
37
38/*
39 * Try to find the best PLL parameters for the pixel clock.
40 * This algorithm seems to give best predictable results,
41 * and produces the same values as detailed in the VIDC20
42 * data sheet.
43 */
44static inline u_int
45acornfb_vidc20_find_pll(u_int pixclk)
46{
47 u_int r, best_r = 2, best_v = 2;
48 int best_d = 0x7fffffff;
49
50 for (r = 2; r <= 32; r++) {
51 u_int rr, v, p;
52 int d;
53
54 rr = 41667 * r;
55
56 v = (rr + pixclk / 2) / pixclk;
57
58 if (v > 32 || v < 2)
59 continue;
60
61 p = (rr + v / 2) / v;
62
63 d = pixclk - p;
64
65 if (d < 0)
66 d = -d;
67
68 if (d < best_d) {
69 best_d = d;
70 best_v = v - 1;
71 best_r = r - 1;
72 }
73
74 if (d == 0)
75 break;
76 }
77
78 return best_v << 8 | best_r;
79}
80
81static inline void
82acornfb_vidc20_find_rates(struct vidc_timing *vidc,
83 struct fb_var_screeninfo *var)
84{
85 u_int div;
86
87 /* Select pixel-clock divisor to keep PLL in range */
88 div = var->pixclock / 9090; /*9921*/
89
90 /* Limit divisor */
91 if (div == 0)
92 div = 1;
93 if (div > 8)
94 div = 8;
95
96 /* Encode divisor to VIDC20 setting */
97 switch (div) {
98 case 1: vidc->control |= VIDC20_CTRL_PIX_CK; break;
99 case 2: vidc->control |= VIDC20_CTRL_PIX_CK2; break;
100 case 3: vidc->control |= VIDC20_CTRL_PIX_CK3; break;
101 case 4: vidc->control |= VIDC20_CTRL_PIX_CK4; break;
102 case 5: vidc->control |= VIDC20_CTRL_PIX_CK5; break;
103 case 6: vidc->control |= VIDC20_CTRL_PIX_CK6; break;
104 case 7: vidc->control |= VIDC20_CTRL_PIX_CK7; break;
105 case 8: vidc->control |= VIDC20_CTRL_PIX_CK8; break;
106 }
107
108 /*
109 * With VRAM, the FIFO can be set to the highest possible setting
110 * because there are no latency considerations for other memory
111 * accesses. However, in 64 bit bus mode the FIFO preload value
112 * must not be set to VIDC20_CTRL_FIFO_28 because this will let
113 * the FIFO overflow. See VIDC20 manual page 33 (6.0 Setting the
114 * FIFO preload value).
115 */
116 if (current_par.using_vram) {
117 if (current_par.vram_half_sam == 2048)
118 vidc->control |= VIDC20_CTRL_FIFO_24;
119 else
120 vidc->control |= VIDC20_CTRL_FIFO_28;
121 } else {
122 unsigned long bandwidth = acornfb_bandwidth(var);
123
124 /* Encode bandwidth as VIDC20 setting */
125 if (bandwidth > 33334) /* < 30.0MB/s */
126 vidc->control |= VIDC20_CTRL_FIFO_16;
127 else if (bandwidth > 26666) /* < 37.5MB/s */
128 vidc->control |= VIDC20_CTRL_FIFO_20;
129 else if (bandwidth > 22222) /* < 45.0MB/s */
130 vidc->control |= VIDC20_CTRL_FIFO_24;
131 else /* > 45.0MB/s */
132 vidc->control |= VIDC20_CTRL_FIFO_28;
133 }
134
135 /* Find the PLL values */
136 vidc->pll_ctl = acornfb_vidc20_find_pll(var->pixclock / div);
137}
138
139#define acornfb_default_control() (VIDC20_CTRL_PIX_VCLK)
140#define acornfb_default_econtrol() (VIDC20_ECTL_DAC | VIDC20_ECTL_REG(3))
diff --git a/arch/arm/mach-rpc/include/mach/debug-macro.S b/arch/arm/mach-rpc/include/mach/debug-macro.S
new file mode 100644
index 00000000000..b2a939ffdcd
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/debug-macro.S
@@ -0,0 +1,25 @@
1/* arch/arm/mach-rpc/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 mrc p15, 0, \rx, c1, c0
16 tst \rx, #1 @ MMU enabled?
17 moveq \rx, #0x03000000
18 movne \rx, #0xe0000000
19 orr \rx, \rx, #0x00010000
20 orr \rx, \rx, #0x00000fe0
21 .endm
22
23#define UART_SHIFT 2
24#define FLOW_CONTROL
25#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/mach-rpc/include/mach/dma.h b/arch/arm/mach-rpc/include/mach/dma.h
new file mode 100644
index 00000000000..360b56f8f29
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/dma.h
@@ -0,0 +1,33 @@
1/*
2 * arch/arm/mach-rpc/include/mach/dma.h
3 *
4 * Copyright (C) 1997 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#ifndef __ASM_ARCH_DMA_H
11#define __ASM_ARCH_DMA_H
12
13/*
14 * This is the maximum DMA address that can be DMAd to.
15 * There should not be more than (0xd0000000 - 0xc0000000)
16 * bytes of RAM.
17 */
18#define MAX_DMA_ADDRESS 0xd0000000
19#define MAX_DMA_CHANNELS 8
20
21#define DMA_0 0
22#define DMA_1 1
23#define DMA_2 2
24#define DMA_3 3
25#define DMA_S0 4
26#define DMA_S1 5
27#define DMA_VIRTUAL_FLOPPY 6
28#define DMA_VIRTUAL_SOUND 7
29
30#define DMA_FLOPPY DMA_VIRTUAL_FLOPPY
31
32#endif /* _ASM_ARCH_DMA_H */
33
diff --git a/arch/arm/mach-rpc/include/mach/entry-macro.S b/arch/arm/mach-rpc/include/mach/entry-macro.S
new file mode 100644
index 00000000000..4e7e5414409
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/entry-macro.S
@@ -0,0 +1,16 @@
1#include <mach/hardware.h>
2#include <asm/hardware/entry-macro-iomd.S>
3
4 .equ ioc_base_high, IOC_BASE & 0xff000000
5 .equ ioc_base_low, IOC_BASE & 0x00ff0000
6
7 .macro get_irqnr_preamble, base, tmp
8 mov \base, #ioc_base_high @ point at IOC
9 .if ioc_base_low
10 orr \base, \base, #ioc_base_low
11 .endif
12 .endm
13
14 .macro arch_ret_to_user, tmp1, tmp2
15 .endm
16
diff --git a/arch/arm/mach-rpc/include/mach/hardware.h b/arch/arm/mach-rpc/include/mach/hardware.h
new file mode 100644
index 00000000000..dde6b3c0e29
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/hardware.h
@@ -0,0 +1,83 @@
1/*
2 * arch/arm/mach-rpc/include/mach/hardware.h
3 *
4 * Copyright (C) 1996-1999 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This file contains the hardware definitions of the RiscPC series machines.
11 */
12#ifndef __ASM_ARCH_HARDWARE_H
13#define __ASM_ARCH_HARDWARE_H
14
15#include <mach/memory.h>
16
17#ifndef __ASSEMBLY__
18#define IOMEM(x) ((void __iomem *)(unsigned long)(x))
19#else
20#define IOMEM(x) x
21#endif /* __ASSEMBLY__ */
22
23/*
24 * What hardware must be present
25 */
26#define HAS_IOMD
27#define HAS_VIDC20
28
29/* Hardware addresses of major areas.
30 * *_START is the physical address
31 * *_SIZE is the size of the region
32 * *_BASE is the virtual address
33 */
34#define RAM_SIZE 0x10000000
35#define RAM_START 0x10000000
36
37#define EASI_SIZE 0x08000000 /* EASI I/O */
38#define EASI_START 0x08000000
39#define EASI_BASE 0xe5000000
40
41#define IO_START 0x03000000 /* I/O */
42#define IO_SIZE 0x01000000
43#define IO_BASE IOMEM(0xe0000000)
44
45#define SCREEN_START 0x02000000 /* VRAM */
46#define SCREEN_END 0xdfc00000
47#define SCREEN_BASE 0xdf800000
48
49#define UNCACHEABLE_ADDR 0xdf010000
50
51/*
52 * IO Addresses
53 */
54#define VIDC_BASE IOMEM(0xe0400000)
55#define EXPMASK_BASE 0xe0360000
56#define IOMD_BASE IOMEM(0xe0200000)
57#define IOC_BASE IOMEM(0xe0200000)
58#define PCIO_BASE IOMEM(0xe0010000)
59#define FLOPPYDMA_BASE IOMEM(0xe002a000)
60
61#define vidc_writel(val) __raw_writel(val, VIDC_BASE)
62
63#define IO_EC_EASI_BASE 0x81400000
64#define IO_EC_IOC4_BASE 0x8009c000
65#define IO_EC_IOC_BASE 0x80090000
66#define IO_EC_MEMC8_BASE 0x8000ac00
67#define IO_EC_MEMC_BASE 0x80000000
68
69#define NETSLOT_BASE 0x0302b000
70#define NETSLOT_SIZE 0x00001000
71
72#define PODSLOT_IOC0_BASE 0x03240000
73#define PODSLOT_IOC4_BASE 0x03270000
74#define PODSLOT_IOC_SIZE (1 << 14)
75#define PODSLOT_MEMC_BASE 0x03000000
76#define PODSLOT_MEMC_SIZE (1 << 14)
77#define PODSLOT_EASI_BASE 0x08000000
78#define PODSLOT_EASI_SIZE (1 << 24)
79
80#define EXPMASK_STATUS (EXPMASK_BASE + 0x00)
81#define EXPMASK_ENABLE (EXPMASK_BASE + 0x04)
82
83#endif
diff --git a/arch/arm/mach-rpc/include/mach/io.h b/arch/arm/mach-rpc/include/mach/io.h
new file mode 100644
index 00000000000..9f0553b7ec2
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/io.h
@@ -0,0 +1,258 @@
1/*
2 * arch/arm/mach-rpc/include/mach/io.h
3 *
4 * Copyright (C) 1997 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Modifications:
11 * 06-Dec-1997 RMK Created.
12 */
13#ifndef __ASM_ARM_ARCH_IO_H
14#define __ASM_ARM_ARCH_IO_H
15
16#include <mach/hardware.h>
17
18#define IO_SPACE_LIMIT 0xffffffff
19
20/*
21 * GCC is totally crap at loading/storing data. We try to persuade it
22 * to do the right thing by using these whereever possible instead of
23 * the above.
24 */
25#define __arch_base_getb(b,o) \
26 ({ \
27 unsigned int __v, __r = (b); \
28 __asm__ __volatile__( \
29 "ldrb %0, [%1, %2]" \
30 : "=r" (__v) \
31 : "r" (__r), "Ir" (o)); \
32 __v; \
33 })
34
35#define __arch_base_getl(b,o) \
36 ({ \
37 unsigned int __v, __r = (b); \
38 __asm__ __volatile__( \
39 "ldr %0, [%1, %2]" \
40 : "=r" (__v) \
41 : "r" (__r), "Ir" (o)); \
42 __v; \
43 })
44
45#define __arch_base_putb(v,b,o) \
46 ({ \
47 unsigned int __r = (b); \
48 __asm__ __volatile__( \
49 "strb %0, [%1, %2]" \
50 : \
51 : "r" (v), "r" (__r), "Ir" (o));\
52 })
53
54#define __arch_base_putl(v,b,o) \
55 ({ \
56 unsigned int __r = (b); \
57 __asm__ __volatile__( \
58 "str %0, [%1, %2]" \
59 : \
60 : "r" (v), "r" (__r), "Ir" (o));\
61 })
62
63/*
64 * We use two different types of addressing - PC style addresses, and ARM
65 * addresses. PC style accesses the PC hardware with the normal PC IO
66 * addresses, eg 0x3f8 for serial#1. ARM addresses are 0x80000000+
67 * and are translated to the start of IO. Note that all addresses are
68 * shifted left!
69 */
70#define __PORT_PCIO(x) (!((x) & 0x80000000))
71
72/*
73 * Dynamic IO functions.
74 */
75static inline void __outb (unsigned int value, unsigned int port)
76{
77 unsigned long temp;
78 __asm__ __volatile__(
79 "tst %2, #0x80000000\n\t"
80 "mov %0, %4\n\t"
81 "addeq %0, %0, %3\n\t"
82 "strb %1, [%0, %2, lsl #2] @ outb"
83 : "=&r" (temp)
84 : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE)
85 : "cc");
86}
87
88static inline void __outw (unsigned int value, unsigned int port)
89{
90 unsigned long temp;
91 __asm__ __volatile__(
92 "tst %2, #0x80000000\n\t"
93 "mov %0, %4\n\t"
94 "addeq %0, %0, %3\n\t"
95 "str %1, [%0, %2, lsl #2] @ outw"
96 : "=&r" (temp)
97 : "r" (value|value<<16), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE)
98 : "cc");
99}
100
101static inline void __outl (unsigned int value, unsigned int port)
102{
103 unsigned long temp;
104 __asm__ __volatile__(
105 "tst %2, #0x80000000\n\t"
106 "mov %0, %4\n\t"
107 "addeq %0, %0, %3\n\t"
108 "str %1, [%0, %2, lsl #2] @ outl"
109 : "=&r" (temp)
110 : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE)
111 : "cc");
112}
113
114#define DECLARE_DYN_IN(sz,fnsuffix,instr) \
115static inline unsigned sz __in##fnsuffix (unsigned int port) \
116{ \
117 unsigned long temp, value; \
118 __asm__ __volatile__( \
119 "tst %2, #0x80000000\n\t" \
120 "mov %0, %4\n\t" \
121 "addeq %0, %0, %3\n\t" \
122 "ldr" instr " %1, [%0, %2, lsl #2] @ in" #fnsuffix \
123 : "=&r" (temp), "=r" (value) \
124 : "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \
125 : "cc"); \
126 return (unsigned sz)value; \
127}
128
129static inline void __iomem *__deprecated __ioaddr(unsigned int port)
130{
131 void __iomem *ret;
132 if (__PORT_PCIO(port))
133 ret = PCIO_BASE;
134 else
135 ret = IO_BASE;
136 return ret + (port << 2);
137}
138
139#define DECLARE_IO(sz,fnsuffix,instr) \
140 DECLARE_DYN_IN(sz,fnsuffix,instr)
141
142DECLARE_IO(char,b,"b")
143DECLARE_IO(short,w,"")
144DECLARE_IO(int,l,"")
145
146#undef DECLARE_IO
147#undef DECLARE_DYN_IN
148
149/*
150 * Constant address IO functions
151 *
152 * These have to be macros for the 'J' constraint to work -
153 * +/-4096 immediate operand.
154 */
155#define __outbc(value,port) \
156({ \
157 if (__PORT_PCIO((port))) \
158 __asm__ __volatile__( \
159 "strb %0, [%1, %2] @ outbc" \
160 : : "r" (value), "r" (PCIO_BASE), "Jr" ((port) << 2)); \
161 else \
162 __asm__ __volatile__( \
163 "strb %0, [%1, %2] @ outbc" \
164 : : "r" (value), "r" (IO_BASE), "r" ((port) << 2)); \
165})
166
167#define __inbc(port) \
168({ \
169 unsigned char result; \
170 if (__PORT_PCIO((port))) \
171 __asm__ __volatile__( \
172 "ldrb %0, [%1, %2] @ inbc" \
173 : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \
174 else \
175 __asm__ __volatile__( \
176 "ldrb %0, [%1, %2] @ inbc" \
177 : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \
178 result; \
179})
180
181#define __outwc(value,port) \
182({ \
183 unsigned long __v = value; \
184 if (__PORT_PCIO((port))) \
185 __asm__ __volatile__( \
186 "str %0, [%1, %2] @ outwc" \
187 : : "r" (__v|__v<<16), "r" (PCIO_BASE), "Jr" ((port) << 2)); \
188 else \
189 __asm__ __volatile__( \
190 "str %0, [%1, %2] @ outwc" \
191 : : "r" (__v|__v<<16), "r" (IO_BASE), "r" ((port) << 2)); \
192})
193
194#define __inwc(port) \
195({ \
196 unsigned short result; \
197 if (__PORT_PCIO((port))) \
198 __asm__ __volatile__( \
199 "ldr %0, [%1, %2] @ inwc" \
200 : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \
201 else \
202 __asm__ __volatile__( \
203 "ldr %0, [%1, %2] @ inwc" \
204 : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \
205 result & 0xffff; \
206})
207
208#define __outlc(value,port) \
209({ \
210 unsigned long __v = value; \
211 if (__PORT_PCIO((port))) \
212 __asm__ __volatile__( \
213 "str %0, [%1, %2] @ outlc" \
214 : : "r" (__v), "r" (PCIO_BASE), "Jr" ((port) << 2)); \
215 else \
216 __asm__ __volatile__( \
217 "str %0, [%1, %2] @ outlc" \
218 : : "r" (__v), "r" (IO_BASE), "r" ((port) << 2)); \
219})
220
221#define __inlc(port) \
222({ \
223 unsigned long result; \
224 if (__PORT_PCIO((port))) \
225 __asm__ __volatile__( \
226 "ldr %0, [%1, %2] @ inlc" \
227 : "=r" (result) : "r" (PCIO_BASE), "Jr" ((port) << 2)); \
228 else \
229 __asm__ __volatile__( \
230 "ldr %0, [%1, %2] @ inlc" \
231 : "=r" (result) : "r" (IO_BASE), "r" ((port) << 2)); \
232 result; \
233})
234
235#define __ioaddrc(port) __ioaddr(port)
236
237#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p))
238#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p))
239#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p))
240#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p))
241#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p))
242#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p))
243#define __ioaddr(p) (__builtin_constant_p((p)) ? __ioaddr(p) : __ioaddrc(p))
244/* the following macro is deprecated */
245#define ioaddr(port) ((unsigned long)__ioaddr((port)))
246
247#define insb(p,d,l) __raw_readsb(__ioaddr(p),d,l)
248#define insw(p,d,l) __raw_readsw(__ioaddr(p),d,l)
249
250#define outsb(p,d,l) __raw_writesb(__ioaddr(p),d,l)
251#define outsw(p,d,l) __raw_writesw(__ioaddr(p),d,l)
252
253/*
254 * 1:1 mapping for ioremapped regions.
255 */
256#define __mem_pci(x) (x)
257
258#endif
diff --git a/arch/arm/mach-rpc/include/mach/irqs.h b/arch/arm/mach-rpc/include/mach/irqs.h
new file mode 100644
index 00000000000..4ce6ca97f66
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/irqs.h
@@ -0,0 +1,46 @@
1/*
2 * arch/arm/mach-rpc/include/mach/irqs.h
3 *
4 * Copyright (C) 1996 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#define IRQ_PRINTER 0
12#define IRQ_BATLOW 1
13#define IRQ_FLOPPYINDEX 2
14#define IRQ_VSYNCPULSE 3
15#define IRQ_POWERON 4
16#define IRQ_TIMER0 5
17#define IRQ_TIMER1 6
18#define IRQ_IMMEDIATE 7
19#define IRQ_EXPCARDFIQ 8
20#define IRQ_HARDDISK 9
21#define IRQ_SERIALPORT 10
22#define IRQ_FLOPPYDISK 12
23#define IRQ_EXPANSIONCARD 13
24#define IRQ_KEYBOARDTX 14
25#define IRQ_KEYBOARDRX 15
26
27#define IRQ_DMA0 16
28#define IRQ_DMA1 17
29#define IRQ_DMA2 18
30#define IRQ_DMA3 19
31#define IRQ_DMAS0 20
32#define IRQ_DMAS1 21
33
34#define FIQ_FLOPPYDATA 0
35#define FIQ_ECONET 2
36#define FIQ_SERIALPORT 4
37#define FIQ_EXPANSIONCARD 6
38#define FIQ_FORCE 7
39
40/*
41 * This is the offset of the FIQ "IRQ" numbers
42 */
43#define FIQ_START 64
44
45#define IRQ_TIMER IRQ_TIMER0
46
diff --git a/arch/arm/mach-rpc/include/mach/memory.h b/arch/arm/mach-rpc/include/mach/memory.h
new file mode 100644
index 00000000000..05425d558ee
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/memory.h
@@ -0,0 +1,39 @@
1/*
2 * arch/arm/mach-rpc/include/mach/memory.h
3 *
4 * Copyright (C) 1996,1997,1998 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Changelog:
11 * 20-Oct-1996 RMK Created
12 * 31-Dec-1997 RMK Fixed definitions to reduce warnings
13 * 11-Jan-1998 RMK Uninlined to reduce hits on cache
14 * 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt
15 * 21-Mar-1999 RMK Renamed to memory.h
16 * RMK Added TASK_SIZE and PAGE_OFFSET
17 */
18#ifndef __ASM_ARCH_MEMORY_H
19#define __ASM_ARCH_MEMORY_H
20
21/*
22 * Physical DRAM offset.
23 */
24#define PHYS_OFFSET UL(0x10000000)
25
26/*
27 * These are exactly the same on the RiscPC as the
28 * physical memory view.
29 */
30#define __virt_to_bus(x) __virt_to_phys(x)
31#define __bus_to_virt(x) __phys_to_virt(x)
32
33/*
34 * Cache flushing area - ROM
35 */
36#define FLUSH_BASE_PHYS 0x00000000
37#define FLUSH_BASE 0xdf000000
38
39#endif
diff --git a/arch/arm/mach-rpc/include/mach/system.h b/arch/arm/mach-rpc/include/mach/system.h
new file mode 100644
index 00000000000..54d6e3f2d31
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/system.h
@@ -0,0 +1,27 @@
1/*
2 * arch/arm/mach-rpc/include/mach/system.h
3 *
4 * Copyright (C) 1996-1999 Russell King.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#include <mach/hardware.h>
11#include <asm/hardware/iomd.h>
12#include <asm/io.h>
13
14static inline void arch_idle(void)
15{
16 cpu_do_idle();
17}
18
19static inline void arch_reset(char mode)
20{
21 iomd_writeb(0, IOMD_ROMCR0);
22
23 /*
24 * Jump into the ROM
25 */
26 cpu_reset(0);
27}
diff --git a/arch/arm/mach-rpc/include/mach/timex.h b/arch/arm/mach-rpc/include/mach/timex.h
new file mode 100644
index 00000000000..dd75e7387bb
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/timex.h
@@ -0,0 +1,17 @@
1/*
2 * arch/arm/mach-rpc/include/mach/timex.h
3 *
4 * Copyright (C) 1997, 1998 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * RiscPC architecture timex specifications
11 */
12
13/*
14 * On the RiscPC, the clock ticks at 2MHz.
15 */
16#define CLOCK_TICK_RATE 2000000
17
diff --git a/arch/arm/mach-rpc/include/mach/uncompress.h b/arch/arm/mach-rpc/include/mach/uncompress.h
new file mode 100644
index 00000000000..baa9c866d7b
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/uncompress.h
@@ -0,0 +1,198 @@
1/*
2 * arch/arm/mach-rpc/include/mach/uncompress.h
3 *
4 * Copyright (C) 1996 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#define VIDMEM ((char *)SCREEN_START)
11
12#include <mach/hardware.h>
13#include <asm/io.h>
14#include <asm/setup.h>
15#include <asm/page.h>
16
17int video_size_row;
18unsigned char bytes_per_char_h;
19extern unsigned long con_charconvtable[256];
20
21struct param_struct {
22 unsigned long page_size;
23 unsigned long nr_pages;
24 unsigned long ramdisk_size;
25 unsigned long mountrootrdonly;
26 unsigned long rootdev;
27 unsigned long video_num_cols;
28 unsigned long video_num_rows;
29 unsigned long video_x;
30 unsigned long video_y;
31 unsigned long memc_control_reg;
32 unsigned char sounddefault;
33 unsigned char adfsdrives;
34 unsigned char bytes_per_char_h;
35 unsigned char bytes_per_char_v;
36 unsigned long unused[256/4-11];
37};
38
39static const unsigned long palette_4[16] = {
40 0x00000000,
41 0x000000cc,
42 0x0000cc00, /* Green */
43 0x0000cccc, /* Yellow */
44 0x00cc0000, /* Blue */
45 0x00cc00cc, /* Magenta */
46 0x00cccc00, /* Cyan */
47 0x00cccccc, /* White */
48 0x00000000,
49 0x000000ff,
50 0x0000ff00,
51 0x0000ffff,
52 0x00ff0000,
53 0x00ff00ff,
54 0x00ffff00,
55 0x00ffffff
56};
57
58#define palette_setpixel(p) *(unsigned long *)(IO_START+0x00400000) = 0x10000000|((p) & 255)
59#define palette_write(v) *(unsigned long *)(IO_START+0x00400000) = 0x00000000|((v) & 0x00ffffff)
60
61/*
62 * params_phys is a linker defined symbol - see
63 * arch/arm/boot/compressed/Makefile
64 */
65extern __attribute__((pure)) struct param_struct *params(void);
66#define params (params())
67
68#ifndef STANDALONE_DEBUG
69static unsigned long video_num_cols;
70static unsigned long video_num_rows;
71static unsigned long video_x;
72static unsigned long video_y;
73static unsigned char bytes_per_char_v;
74static int white;
75
76/*
77 * This does not append a newline
78 */
79static void putc(int c)
80{
81 extern void ll_write_char(char *, char c, char white);
82 int x,y;
83 char *ptr;
84
85 x = video_x;
86 y = video_y;
87
88 if (c == '\n') {
89 if (++y >= video_num_rows)
90 y--;
91 } else if (c == '\r') {
92 x = 0;
93 } else {
94 ptr = VIDMEM + ((y*video_num_cols*bytes_per_char_v+x)*bytes_per_char_h);
95 ll_write_char(ptr, c, white);
96 if (++x >= video_num_cols) {
97 x = 0;
98 if ( ++y >= video_num_rows ) {
99 y--;
100 }
101 }
102 }
103
104 video_x = x;
105 video_y = y;
106}
107
108static inline void flush(void)
109{
110}
111
112static void error(char *x);
113
114/*
115 * Setup for decompression
116 */
117static void arch_decomp_setup(void)
118{
119 int i;
120 struct tag *t = (struct tag *)params;
121 unsigned int nr_pages = 0, page_size = PAGE_SIZE;
122
123 if (t->hdr.tag == ATAG_CORE)
124 {
125 for (; t->hdr.size; t = tag_next(t))
126 {
127 if (t->hdr.tag == ATAG_VIDEOTEXT)
128 {
129 video_num_rows = t->u.videotext.video_lines;
130 video_num_cols = t->u.videotext.video_cols;
131 bytes_per_char_h = t->u.videotext.video_points;
132 bytes_per_char_v = t->u.videotext.video_points;
133 video_x = t->u.videotext.x;
134 video_y = t->u.videotext.y;
135 }
136
137 if (t->hdr.tag == ATAG_MEM)
138 {
139 page_size = PAGE_SIZE;
140 nr_pages += (t->u.mem.size / PAGE_SIZE);
141 }
142 }
143 }
144 else
145 {
146 nr_pages = params->nr_pages;
147 page_size = params->page_size;
148 video_num_rows = params->video_num_rows;
149 video_num_cols = params->video_num_cols;
150 video_x = params->video_x;
151 video_y = params->video_y;
152 bytes_per_char_h = params->bytes_per_char_h;
153 bytes_per_char_v = params->bytes_per_char_v;
154 }
155
156 video_size_row = video_num_cols * bytes_per_char_h;
157
158 if (bytes_per_char_h == 4)
159 for (i = 0; i < 256; i++)
160 con_charconvtable[i] =
161 (i & 128 ? 1 << 0 : 0) |
162 (i & 64 ? 1 << 4 : 0) |
163 (i & 32 ? 1 << 8 : 0) |
164 (i & 16 ? 1 << 12 : 0) |
165 (i & 8 ? 1 << 16 : 0) |
166 (i & 4 ? 1 << 20 : 0) |
167 (i & 2 ? 1 << 24 : 0) |
168 (i & 1 ? 1 << 28 : 0);
169 else
170 for (i = 0; i < 16; i++)
171 con_charconvtable[i] =
172 (i & 8 ? 1 << 0 : 0) |
173 (i & 4 ? 1 << 8 : 0) |
174 (i & 2 ? 1 << 16 : 0) |
175 (i & 1 ? 1 << 24 : 0);
176
177
178 palette_setpixel(0);
179 if (bytes_per_char_h == 1) {
180 palette_write (0);
181 palette_write (0x00ffffff);
182 for (i = 2; i < 256; i++)
183 palette_write (0);
184 white = 1;
185 } else {
186 for (i = 0; i < 256; i++)
187 palette_write (i < 16 ? palette_4[i] : 0);
188 white = 7;
189 }
190
191 if (nr_pages * page_size < 4096*1024) error("<4M of mem\n");
192}
193#endif
194
195/*
196 * nothing to do
197 */
198#define arch_decomp_wdog()
diff --git a/arch/arm/mach-rpc/include/mach/vmalloc.h b/arch/arm/mach-rpc/include/mach/vmalloc.h
new file mode 100644
index 00000000000..9a96fd69e70
--- /dev/null
+++ b/arch/arm/mach-rpc/include/mach/vmalloc.h
@@ -0,0 +1,10 @@
1/*
2 * arch/arm/mach-rpc/include/mach/vmalloc.h
3 *
4 * Copyright (C) 1997 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10#define VMALLOC_END (PAGE_OFFSET + 0x1c000000)
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index 54a6c756584..ce8470fea88 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -22,7 +22,7 @@
22#include <asm/elf.h> 22#include <asm/elf.h>
23#include <asm/io.h> 23#include <asm/io.h>
24#include <asm/mach-types.h> 24#include <asm/mach-types.h>
25#include <asm/arch/hardware.h> 25#include <mach/hardware.h>
26#include <asm/page.h> 26#include <asm/page.h>
27#include <asm/domain.h> 27#include <asm/domain.h>
28#include <asm/setup.h> 28#include <asm/setup.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-15 01:15:08 -0500