diff options
Diffstat (limited to 'arch/m68k/include/asm/anchor.h')
-rw-r--r-- | arch/m68k/include/asm/anchor.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/anchor.h b/arch/m68k/include/asm/anchor.h new file mode 100644 index 00000000000..871c0d5cfc3 --- /dev/null +++ b/arch/m68k/include/asm/anchor.h | |||
@@ -0,0 +1,112 @@ | |||
1 | /****************************************************************************/ | ||
2 | |||
3 | /* | ||
4 | * anchor.h -- Anchor CO-MEM Lite PCI host bridge part. | ||
5 | * | ||
6 | * (C) Copyright 2000, Moreton Bay (www.moreton.com.au) | ||
7 | */ | ||
8 | |||
9 | /****************************************************************************/ | ||
10 | #ifndef anchor_h | ||
11 | #define anchor_h | ||
12 | /****************************************************************************/ | ||
13 | |||
14 | /* | ||
15 | * Define basic addressing info. | ||
16 | */ | ||
17 | #if defined(CONFIG_M5407C3) | ||
18 | #define COMEM_BASE 0xFFFF0000 /* Base of CO-MEM address space */ | ||
19 | #define COMEM_IRQ 25 /* IRQ of anchor part */ | ||
20 | #else | ||
21 | #define COMEM_BASE 0x80000000 /* Base of CO-MEM address space */ | ||
22 | #define COMEM_IRQ 25 /* IRQ of anchor part */ | ||
23 | #endif | ||
24 | |||
25 | /****************************************************************************/ | ||
26 | |||
27 | /* | ||
28 | * 4-byte registers of CO-MEM, so adjust register addresses for | ||
29 | * easy access. Handy macro for word access too. | ||
30 | */ | ||
31 | #define LREG(a) ((a) >> 2) | ||
32 | #define WREG(a) ((a) >> 1) | ||
33 | |||
34 | |||
35 | /* | ||
36 | * Define base addresses within CO-MEM Lite register address space. | ||
37 | */ | ||
38 | #define COMEM_I2O 0x0000 /* I2O registers */ | ||
39 | #define COMEM_OPREGS 0x0400 /* Operation registers */ | ||
40 | #define COMEM_PCIBUS 0x2000 /* Direct access to PCI bus */ | ||
41 | #define COMEM_SHMEM 0x4000 /* Shared memory region */ | ||
42 | |||
43 | #define COMEM_SHMEMSIZE 0x4000 /* Size of shared memory */ | ||
44 | |||
45 | |||
46 | /* | ||
47 | * Define CO-MEM Registers. | ||
48 | */ | ||
49 | #define COMEM_I2OHISR 0x0030 /* I2O host interrupt status */ | ||
50 | #define COMEM_I2OHIMR 0x0034 /* I2O host interrupt mask */ | ||
51 | #define COMEM_I2OLISR 0x0038 /* I2O local interrupt status */ | ||
52 | #define COMEM_I2OLIMR 0x003c /* I2O local interrupt mask */ | ||
53 | #define COMEM_IBFPFIFO 0x0040 /* I2O inbound free/post FIFO */ | ||
54 | #define COMEM_OBPFFIFO 0x0044 /* I2O outbound post/free FIFO */ | ||
55 | #define COMEM_IBPFFIFO 0x0048 /* I2O inbound post/free FIFO */ | ||
56 | #define COMEM_OBFPFIFO 0x004c /* I2O outbound free/post FIFO */ | ||
57 | |||
58 | #define COMEM_DAHBASE 0x0460 /* Direct access base address */ | ||
59 | |||
60 | #define COMEM_NVCMD 0x04a0 /* I2C serial command */ | ||
61 | #define COMEM_NVREAD 0x04a4 /* I2C serial read */ | ||
62 | #define COMEM_NVSTAT 0x04a8 /* I2C status */ | ||
63 | |||
64 | #define COMEM_DMALBASE 0x04b0 /* DMA local base address */ | ||
65 | #define COMEM_DMAHBASE 0x04b4 /* DMA host base address */ | ||
66 | #define COMEM_DMASIZE 0x04b8 /* DMA size */ | ||
67 | #define COMEM_DMACTL 0x04bc /* DMA control */ | ||
68 | |||
69 | #define COMEM_HCTL 0x04e0 /* Host control */ | ||
70 | #define COMEM_HINT 0x04e4 /* Host interrupt control/status */ | ||
71 | #define COMEM_HLDATA 0x04e8 /* Host to local data mailbox */ | ||
72 | #define COMEM_LINT 0x04f4 /* Local interrupt contole status */ | ||
73 | #define COMEM_LHDATA 0x04f8 /* Local to host data mailbox */ | ||
74 | |||
75 | #define COMEM_LBUSCFG 0x04fc /* Local bus configuration */ | ||
76 | |||
77 | |||
78 | /* | ||
79 | * Commands and flags for use with Direct Access Register. | ||
80 | */ | ||
81 | #define COMEM_DA_IACK 0x00000000 /* Interrupt acknowledge (read) */ | ||
82 | #define COMEM_DA_SPCL 0x00000010 /* Special cycle (write) */ | ||
83 | #define COMEM_DA_MEMRD 0x00000004 /* Memory read cycle */ | ||
84 | #define COMEM_DA_MEMWR 0x00000004 /* Memory write cycle */ | ||
85 | #define COMEM_DA_IORD 0x00000002 /* I/O read cycle */ | ||
86 | #define COMEM_DA_IOWR 0x00000002 /* I/O write cycle */ | ||
87 | #define COMEM_DA_CFGRD 0x00000006 /* Configuration read cycle */ | ||
88 | #define COMEM_DA_CFGWR 0x00000006 /* Configuration write cycle */ | ||
89 | |||
90 | #define COMEM_DA_ADDR(a) ((a) & 0xffffe000) | ||
91 | |||
92 | #define COMEM_DA_OFFSET(a) ((a) & 0x00001fff) | ||
93 | |||
94 | |||
95 | /* | ||
96 | * The PCI bus will be limited in what slots will actually be used. | ||
97 | * Define valid device numbers for different boards. | ||
98 | */ | ||
99 | #if defined(CONFIG_M5407C3) | ||
100 | #define COMEM_MINDEV 14 /* Minimum valid DEVICE */ | ||
101 | #define COMEM_MAXDEV 14 /* Maximum valid DEVICE */ | ||
102 | #define COMEM_BRIDGEDEV 15 /* Slot bridge is in */ | ||
103 | #else | ||
104 | #define COMEM_MINDEV 0 /* Minimum valid DEVICE */ | ||
105 | #define COMEM_MAXDEV 3 /* Maximum valid DEVICE */ | ||
106 | #endif | ||
107 | |||
108 | #define COMEM_MAXPCI (COMEM_MAXDEV+1) /* Maximum PCI devices */ | ||
109 | |||
110 | |||
111 | /****************************************************************************/ | ||
112 | #endif /* anchor_h */ | ||