File: /usr/src/linux/include/asm-arm/hardware/dec21285.h
1 /*
2 * linux/include/asm-arm/hardware/dec21285.h
3 *
4 * Copyright (C) 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 * DC21285 registers
11 */
12 #define DC21285_PCI_IACK 0x79000000
13 #define DC21285_ARMCSR_BASE 0x42000000
14 #define DC21285_PCI_TYPE_0_CONFIG 0x7b000000
15 #define DC21285_PCI_TYPE_1_CONFIG 0x7a000000
16 #define DC21285_OUTBOUND_WRITE_FLUSH 0x78000000
17 #define DC21285_FLASH 0x41000000
18 #define DC21285_PCI_IO 0x7c000000
19 #define DC21285_PCI_MEM 0x80000000
20
21 #include <linux/config.h>
22 #ifndef __ASSEMBLY__
23 #include <asm/arch/hardware.h>
24 #define DC21285_IO(x) ((volatile unsigned long *)(ARMCSR_BASE+(x)))
25 #else
26 #define DC21285_IO(x) (x)
27 #endif
28
29 #define CSR_PCICMD DC21285_IO(0x0004)
30 #define CSR_CLASSREV DC21285_IO(0x0008)
31 #define CSR_PCICACHELINESIZE DC21285_IO(0x000c)
32 #define CSR_PCICSRBASE DC21285_IO(0x0010)
33 #define CSR_PCICSRIOBASE DC21285_IO(0x0014)
34 #define CSR_PCISDRAMBASE DC21285_IO(0x0018)
35 #define CSR_PCIROMBASE DC21285_IO(0x0030)
36 #define CSR_MBOX0 DC21285_IO(0x0050)
37 #define CSR_MBOX1 DC21285_IO(0x0054)
38 #define CSR_MBOX2 DC21285_IO(0x0058)
39 #define CSR_MBOX3 DC21285_IO(0x005c)
40 #define CSR_DOORBELL DC21285_IO(0x0060)
41 #define CSR_DOORBELL_SETUP DC21285_IO(0x0064)
42 #define CSR_ROMWRITEREG DC21285_IO(0x0068)
43 #define CSR_CSRBASEMASK DC21285_IO(0x00f8)
44 #define CSR_CSRBASEOFFSET DC21285_IO(0x00fc)
45 #define CSR_SDRAMBASEMASK DC21285_IO(0x0100)
46 #define CSR_SDRAMBASEOFFSET DC21285_IO(0x0104)
47 #define CSR_ROMBASEMASK DC21285_IO(0x0108)
48 #define CSR_SDRAMTIMING DC21285_IO(0x010c)
49 #define CSR_SDRAMADDRSIZE0 DC21285_IO(0x0110)
50 #define CSR_SDRAMADDRSIZE1 DC21285_IO(0x0114)
51 #define CSR_SDRAMADDRSIZE2 DC21285_IO(0x0118)
52 #define CSR_SDRAMADDRSIZE3 DC21285_IO(0x011c)
53 #define CSR_I2O_INFREEHEAD DC21285_IO(0x0120)
54 #define CSR_I2O_INPOSTTAIL DC21285_IO(0x0124)
55 #define CSR_I2O_OUTPOSTHEAD DC21285_IO(0x0128)
56 #define CSR_I2O_OUTFREETAIL DC21285_IO(0x012c)
57 #define CSR_I2O_INFREECOUNT DC21285_IO(0x0130)
58 #define CSR_I2O_OUTPOSTCOUNT DC21285_IO(0x0134)
59 #define CSR_I2O_INPOSTCOUNT DC21285_IO(0x0138)
60 #define CSR_SA110_CNTL DC21285_IO(0x013c)
61 #define SA110_CNTL_INITCMPLETE (1 << 0)
62 #define SA110_CNTL_ASSERTSERR (1 << 1)
63 #define SA110_CNTL_RXSERR (1 << 3)
64 #define SA110_CNTL_SA110DRAMPARITY (1 << 4)
65 #define SA110_CNTL_PCISDRAMPARITY (1 << 5)
66 #define SA110_CNTL_DMASDRAMPARITY (1 << 6)
67 #define SA110_CNTL_DISCARDTIMER (1 << 8)
68 #define SA110_CNTL_PCINRESET (1 << 9)
69 #define SA110_CNTL_I2O_256 (0 << 10)
70 #define SA110_CNTL_I20_512 (1 << 10)
71 #define SA110_CNTL_I2O_1024 (2 << 10)
72 #define SA110_CNTL_I2O_2048 (3 << 10)
73 #define SA110_CNTL_I2O_4096 (4 << 10)
74 #define SA110_CNTL_I2O_8192 (5 << 10)
75 #define SA110_CNTL_I2O_16384 (6 << 10)
76 #define SA110_CNTL_I2O_32768 (7 << 10)
77 #define SA110_CNTL_WATCHDOG (1 << 13)
78 #define SA110_CNTL_ROMWIDTH_UNDEF (0 << 14)
79 #define SA110_CNTL_ROMWIDTH_16 (1 << 14)
80 #define SA110_CNTL_ROMWIDTH_32 (2 << 14)
81 #define SA110_CNTL_ROMWIDTH_8 (3 << 14)
82 #define SA110_CNTL_ROMACCESSTIME(x) ((x)<<16)
83 #define SA110_CNTL_ROMBURSTTIME(x) ((x)<<20)
84 #define SA110_CNTL_ROMTRISTATETIME(x) ((x)<<24)
85 #define SA110_CNTL_XCSDIR(x) ((x)<<28)
86 #define SA110_CNTL_PCICFN (1 << 31)
87
88 /*
89 * footbridge_cfn_mode() is used when we want
90 * to check whether we are the central function
91 */
92 #define __footbridge_cfn_mode() (*CSR_SA110_CNTL & SA110_CNTL_PCICFN)
93 #if defined(CONFIG_FOOTBRIDGE_HOST) && defined(CONFIG_FOOTBRIDGE_ADDIN)
94 #define footbridge_cfn_mode() __footbridge_cfn_mode()
95 #elif defined(CONFIG_FOOTBRIDGE_HOST)
96 #define footbridge_cfn_mode() (1)
97 #else
98 #define footbridge_cfn_mode() (0)
99 #endif
100
101 #define CSR_PCIADDR_EXTN DC21285_IO(0x0140)
102 #define CSR_PREFETCHMEMRANGE DC21285_IO(0x0144)
103 #define CSR_XBUS_CYCLE DC21285_IO(0x0148)
104 #define CSR_XBUS_IOSTROBE DC21285_IO(0x014c)
105 #define CSR_DOORBELL_PCI DC21285_IO(0x0150)
106 #define CSR_DOORBELL_SA110 DC21285_IO(0x0154)
107 #define CSR_UARTDR DC21285_IO(0x0160)
108 #define CSR_RXSTAT DC21285_IO(0x0164)
109 #define CSR_H_UBRLCR DC21285_IO(0x0168)
110 #define CSR_M_UBRLCR DC21285_IO(0x016c)
111 #define CSR_L_UBRLCR DC21285_IO(0x0170)
112 #define CSR_UARTCON DC21285_IO(0x0174)
113 #define CSR_UARTFLG DC21285_IO(0x0178)
114 #define CSR_IRQ_STATUS DC21285_IO(0x0180)
115 #define CSR_IRQ_RAWSTATUS DC21285_IO(0x0184)
116 #define CSR_IRQ_ENABLE DC21285_IO(0x0188)
117 #define CSR_IRQ_DISABLE DC21285_IO(0x018c)
118 #define CSR_IRQ_SOFT DC21285_IO(0x0190)
119 #define CSR_FIQ_STATUS DC21285_IO(0x0280)
120 #define CSR_FIQ_RAWSTATUS DC21285_IO(0x0284)
121 #define CSR_FIQ_ENABLE DC21285_IO(0x0288)
122 #define CSR_FIQ_DISABLE DC21285_IO(0x028c)
123 #define CSR_FIQ_SOFT DC21285_IO(0x0290)
124 #define CSR_TIMER1_LOAD DC21285_IO(0x0300)
125 #define CSR_TIMER1_VALUE DC21285_IO(0x0304)
126 #define CSR_TIMER1_CNTL DC21285_IO(0x0308)
127 #define CSR_TIMER1_CLR DC21285_IO(0x030c)
128 #define CSR_TIMER2_LOAD DC21285_IO(0x0320)
129 #define CSR_TIMER2_VALUE DC21285_IO(0x0324)
130 #define CSR_TIMER2_CNTL DC21285_IO(0x0328)
131 #define CSR_TIMER2_CLR DC21285_IO(0x032c)
132 #define CSR_TIMER3_LOAD DC21285_IO(0x0340)
133 #define CSR_TIMER3_VALUE DC21285_IO(0x0344)
134 #define CSR_TIMER3_CNTL DC21285_IO(0x0348)
135 #define CSR_TIMER3_CLR DC21285_IO(0x034c)
136 #define CSR_TIMER4_LOAD DC21285_IO(0x0360)
137 #define CSR_TIMER4_VALUE DC21285_IO(0x0364)
138 #define CSR_TIMER4_CNTL DC21285_IO(0x0368)
139 #define CSR_TIMER4_CLR DC21285_IO(0x036c)
140
141 #define TIMER_CNTL_ENABLE (1 << 7)
142 #define TIMER_CNTL_AUTORELOAD (1 << 6)
143 #define TIMER_CNTL_DIV1 (0)
144 #define TIMER_CNTL_DIV16 (1 << 2)
145 #define TIMER_CNTL_DIV256 (2 << 2)
146 #define TIMER_CNTL_CNTEXT (3 << 2)
147
148
149