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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* mb-regs.h: motherboard registers
2 *
3 * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _ASM_MB_REGS_H
13#define _ASM_MB_REGS_H
14
15#include <asm/cpu-irqs.h>
16#include <asm/sections.h>
17#include <asm/mem-layout.h>
18
Al Viro3f4cd382006-06-23 02:04:03 -070019#ifndef __ASSEMBLY__
20/* gcc builtins, annotated */
21
22unsigned long __builtin_read8(volatile void __iomem *);
23unsigned long __builtin_read16(volatile void __iomem *);
24unsigned long __builtin_read32(volatile void __iomem *);
25void __builtin_write8(volatile void __iomem *, unsigned char);
26void __builtin_write16(volatile void __iomem *, unsigned short);
27void __builtin_write32(volatile void __iomem *, unsigned long);
28#endif
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#define __region_IO KERNEL_IO_START /* the region from 0xe0000000 to 0xffffffff has suitable
31 * protection laid over the top for use in memory-mapped
32 * I/O
33 */
34
35#define __region_CS0 0xff000000 /* Boot ROMs area */
36
37#ifdef CONFIG_MB93091_VDK
38/*
39 * VDK motherboard and CPU card specific stuff
40 */
41
42#include <asm/mb93091-fpga-irqs.h>
43
44#define IRQ_CPU_MB93493_0 IRQ_CPU_EXTERNAL0
45#define IRQ_CPU_MB93493_1 IRQ_CPU_EXTERNAL1
46
47#define __region_CS2 0xe0000000 /* SLBUS/PCI I/O space */
48#define __region_CS2_M 0x0fffffff /* mask */
49#define __region_CS2_C 0x00000000 /* control */
50#define __region_CS5 0xf0000000 /* MB93493 CSC area (DAV daughter board) */
51#define __region_CS5_M 0x00ffffff
52#define __region_CS5_C 0x00010000
53#define __region_CS7 0xf1000000 /* CB70 CPU-card PCMCIA port I/O space */
54#define __region_CS7_M 0x00ffffff
55#define __region_CS7_C 0x00410701
56#define __region_CS1 0xfc000000 /* SLBUS/PCI bridge control registers */
57#define __region_CS1_M 0x000fffff
58#define __region_CS1_C 0x00000000
59#define __region_CS6 0xfc100000 /* CB70 CPU-card DM9000 LAN I/O space */
60#define __region_CS6_M 0x000fffff
61#define __region_CS6_C 0x00400707
62#define __region_CS3 0xfc200000 /* MB93493 CSR area (DAV daughter board) */
63#define __region_CS3_M 0x000fffff
64#define __region_CS3_C 0xc8100000
65#define __region_CS4 0xfd000000 /* CB70 CPU-card extra flash space */
66#define __region_CS4_M 0x00ffffff
67#define __region_CS4_C 0x00000f07
68
69#define __region_PCI_IO (__region_CS2 + 0x04000000UL)
70#define __region_PCI_MEM (__region_CS2 + 0x08000000UL)
71#define __flush_PCI_writes() \
72do { \
Al Viro3f4cd382006-06-23 02:04:03 -070073 __builtin_write8((volatile void __iomem *) __region_PCI_MEM, 0); \
Linus Torvalds1da177e2005-04-16 15:20:36 -070074} while(0)
75
76#define __is_PCI_IO(addr) \
77 (((unsigned long)(addr) >> 24) - (__region_PCI_IO >> 24) < (0x04000000UL >> 24))
78
79#define __is_PCI_MEM(addr) \
80 ((unsigned long)(addr) - __region_PCI_MEM < 0x08000000UL)
81
David Howellsa90a72c2006-01-08 01:01:20 -080082#define __is_PCI_addr(addr) \
83 ((unsigned long)(addr) - __region_PCI_IO < 0x0c000000UL)
84
Linus Torvalds1da177e2005-04-16 15:20:36 -070085#define __get_CLKSW() ({ *(volatile unsigned long *)(__region_CS2 + 0x0130000cUL) & 0xffUL; })
86#define __get_CLKIN() (__get_CLKSW() * 125U * 100000U / 24U)
87
88#ifndef __ASSEMBLY__
89extern int __nongprelbss mb93090_mb00_detected;
90#endif
91
92#define __addr_LEDS() (__region_CS2 + 0x01200004UL)
93#ifdef CONFIG_MB93090_MB00
94#define __set_LEDS(X) \
95do { \
96 if (mb93090_mb00_detected) \
Al Viro3f4cd382006-06-23 02:04:03 -070097 __builtin_write32((void __iomem *) __addr_LEDS(), ~(X)); \
Linus Torvalds1da177e2005-04-16 15:20:36 -070098} while (0)
99#else
100#define __set_LEDS(X)
101#endif
102
103#define __addr_LCD() (__region_CS2 + 0x01200008UL)
Al Viro3f4cd382006-06-23 02:04:03 -0700104#define __get_LCD(B) __builtin_read32((volatile void __iomem *) (B))
105#define __set_LCD(B,X) __builtin_write32((volatile void __iomem *) (B), (X))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700106
107#define LCD_D 0x000000ff /* LCD data bus */
108#define LCD_RW 0x00000100 /* LCD R/W signal */
109#define LCD_RS 0x00000200 /* LCD Register Select */
110#define LCD_E 0x00000400 /* LCD Start Enable Signal */
111
112#define LCD_CMD_CLEAR (LCD_E|0x001)
113#define LCD_CMD_HOME (LCD_E|0x002)
114#define LCD_CMD_CURSOR_INC (LCD_E|0x004)
115#define LCD_CMD_SCROLL_INC (LCD_E|0x005)
116#define LCD_CMD_CURSOR_DEC (LCD_E|0x006)
117#define LCD_CMD_SCROLL_DEC (LCD_E|0x007)
118#define LCD_CMD_OFF (LCD_E|0x008)
119#define LCD_CMD_ON(CRSR,BLINK) (LCD_E|0x00c|(CRSR<<1)|BLINK)
120#define LCD_CMD_CURSOR_MOVE_L (LCD_E|0x010)
121#define LCD_CMD_CURSOR_MOVE_R (LCD_E|0x014)
122#define LCD_CMD_DISPLAY_SHIFT_L (LCD_E|0x018)
123#define LCD_CMD_DISPLAY_SHIFT_R (LCD_E|0x01c)
124#define LCD_CMD_FUNCSET(DL,N,F) (LCD_E|0x020|(DL<<4)|(N<<3)|(F<<2))
125#define LCD_CMD_SET_CG_ADDR(X) (LCD_E|0x040|X)
126#define LCD_CMD_SET_DD_ADDR(X) (LCD_E|0x080|X)
127#define LCD_CMD_READ_BUSY (LCD_E|LCD_RW)
128#define LCD_DATA_WRITE(X) (LCD_E|LCD_RS|(X))
129#define LCD_DATA_READ (LCD_E|LCD_RS|LCD_RW)
130
131#else
132/*
133 * PDK unit specific stuff
134 */
135
136#include <asm/mb93093-fpga-irqs.h>
137
138#define IRQ_CPU_MB93493_0 IRQ_CPU_EXTERNAL0
139#define IRQ_CPU_MB93493_1 IRQ_CPU_EXTERNAL1
140
141#define __region_CS5 0xf0000000 /* MB93493 CSC area (DAV daughter board) */
142#define __region_CS5_M 0x00ffffff /* mask */
143#define __region_CS5_C 0x00010000 /* control */
144#define __region_CS2 0x20000000 /* FPGA registers */
145#define __region_CS2_M 0x000fffff
146#define __region_CS2_C 0x00000000
147#define __region_CS1 0xfc100000 /* LAN registers */
148#define __region_CS1_M 0x000fffff
149#define __region_CS1_C 0x00010404
150#define __region_CS3 0xfc200000 /* MB93493 CSR area (DAV daughter board) */
151#define __region_CS3_M 0x000fffff
152#define __region_CS3_C 0xc8000000
153#define __region_CS4 0xfd000000 /* extra ROMs area */
154#define __region_CS4_M 0x00ffffff
155#define __region_CS4_C 0x00000f07
156
157#define __region_CS6 0xfe000000 /* not used - hide behind CPU resource I/O regs */
158#define __region_CS6_M 0x000fffff
159#define __region_CS6_C 0x00000f07
160#define __region_CS7 0xfe000000 /* not used - hide behind CPU resource I/O regs */
161#define __region_CS7_M 0x000fffff
162#define __region_CS7_C 0x00000f07
163
164#define __is_PCI_IO(addr) 0 /* no PCI */
165#define __is_PCI_MEM(addr) 0
David Howellsa90a72c2006-01-08 01:01:20 -0800166#define __is_PCI_addr(addr) 0
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167#define __region_PCI_IO 0
168#define __region_PCI_MEM 0
169#define __flush_PCI_writes() do { } while(0)
170
171#define __get_CLKSW() 0UL
172#define __get_CLKIN() 66000000UL
173
174#define __addr_LEDS() (__region_CS2 + 0x00000023UL)
Al Viro3f4cd382006-06-23 02:04:03 -0700175#define __set_LEDS(X) __builtin_write8((volatile void __iomem *) __addr_LEDS(), (X))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700176
177#define __addr_FPGATR() (__region_CS2 + 0x00000030UL)
Al Viro3f4cd382006-06-23 02:04:03 -0700178#define __set_FPGATR(X) __builtin_write32((volatile void __iomem *) __addr_FPGATR(), (X))
179#define __get_FPGATR() __builtin_read32((volatile void __iomem *) __addr_FPGATR())
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180
181#define MB93093_FPGA_FPGATR_AUDIO_CLK 0x00000003
182
183#define __set_FPGATR_AUDIO_CLK(V) \
184 __set_FPGATR((__get_FPGATR() & ~MB93093_FPGA_FPGATR_AUDIO_CLK) | (V))
185
186#define MB93093_FPGA_FPGATR_AUDIO_CLK_OFF 0x0
187#define MB93093_FPGA_FPGATR_AUDIO_CLK_11MHz 0x1
188#define MB93093_FPGA_FPGATR_AUDIO_CLK_12MHz 0x2
189#define MB93093_FPGA_FPGATR_AUDIO_CLK_02MHz 0x3
190
191#define MB93093_FPGA_SWR_PUSHSWMASK (0x1F<<26)
192#define MB93093_FPGA_SWR_PUSHSW4 (1<<29)
193
Al Viro3f4cd382006-06-23 02:04:03 -0700194#define __addr_FPGA_SWR ((volatile void __iomem *)(__region_CS2 + 0x28UL))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195#define __get_FPGA_PUSHSW1_5() (__builtin_read32(__addr_FPGA_SWR) & MB93093_FPGA_SWR_PUSHSWMASK)
196
197
198#endif
199
200#endif /* _ASM_MB_REGS_H */