1 | /* |
---|
2 | * This file includes definitions for the Intec SS555. |
---|
3 | */ |
---|
4 | |
---|
5 | /* |
---|
6 | * SS555 port sponsored by Defence Research and Development Canada - Suffield |
---|
7 | * Copyright (C) 2004, Real-Time Systems Inc. (querbach@realtime.bc.ca) |
---|
8 | * |
---|
9 | * Derived from c/src/lib/libbsp/powerpc/mbx8xx/include/bsp.h: |
---|
10 | * |
---|
11 | * COPYRIGHT (c) 1989-1998. |
---|
12 | * On-Line Applications Research Corporation (OAR). |
---|
13 | * |
---|
14 | * The license and distribution terms for this file may be |
---|
15 | * found in the file LICENSE in this distribution or at |
---|
16 | * http://www.rtems.org/license/LICENSE. |
---|
17 | */ |
---|
18 | |
---|
19 | #ifndef LIBBSP_POWERPC_SS555_BSP_H |
---|
20 | #define LIBBSP_POWERPC_SS555_BSP_H |
---|
21 | |
---|
22 | #include <bspopts.h> |
---|
23 | |
---|
24 | #ifdef ASM |
---|
25 | |
---|
26 | #define eie 0x050 /* External Interrupt Enable Register */ |
---|
27 | #define eid 0x051 /* External Interrupt Disable Register */ |
---|
28 | #define nri 0x052 /* Non-Recoverable Interrupt Register */ |
---|
29 | |
---|
30 | #else /* !ASM */ |
---|
31 | |
---|
32 | #include <bsp/default-initial-extension.h> |
---|
33 | |
---|
34 | #include <rtems.h> |
---|
35 | #include <mpc5xx.h> |
---|
36 | #include <mpc5xx/console.h> |
---|
37 | #include <libcpu/vectors.h> |
---|
38 | #include <bsp/irq.h> |
---|
39 | |
---|
40 | #ifdef __cplusplus |
---|
41 | extern "C" { |
---|
42 | #endif |
---|
43 | |
---|
44 | /* |
---|
45 | * Clock definitions |
---|
46 | */ |
---|
47 | |
---|
48 | #define BSP_CRYSTAL_HZ 4000000 /* crystal frequency, Hz */ |
---|
49 | #define BSP_CLOCK_HZ 40000000 /* CPU clock frequency, Hz */ |
---|
50 | |
---|
51 | /* |
---|
52 | * I/O definitions |
---|
53 | * |
---|
54 | * The SS555 board includes a CPLD to control on-board features and |
---|
55 | * off-board devices. |
---|
56 | */ |
---|
57 | typedef struct cpld_ { |
---|
58 | uint8_t cs3a[32]; /* Chip select 3A */ |
---|
59 | uint8_t pad0[0x200000 - 0x000020]; |
---|
60 | |
---|
61 | uint8_t cs3b[32]; /* Chip select 3B */ |
---|
62 | uint8_t pad2[0x400000 - 0x200020]; |
---|
63 | |
---|
64 | uint8_t cs3c[32]; /* Chip select 3C */ |
---|
65 | uint8_t pad4[0x600000 - 0x400020]; |
---|
66 | |
---|
67 | uint8_t cs3d[32]; /* Chip select 3D */ |
---|
68 | uint8_t pad6[0x800000 - 0x600020]; |
---|
69 | |
---|
70 | uint8_t serial_ints; /* Enable/disable serial interrupts */ |
---|
71 | uint8_t serial_resets; /* Enable/disable serial resets */ |
---|
72 | uint8_t serial_ack; /* Acknowledge serial transfers */ |
---|
73 | uint8_t pad8[0xA00000 - 0x800003]; |
---|
74 | |
---|
75 | uint8_t iflash_writess; /* Enable/disable internal-flash writes */ |
---|
76 | uint8_t nflash_writess; /* Enable/disable NAND-flash writes */ |
---|
77 | uint8_t padA[0xC00000 - 0xA00002]; |
---|
78 | } cpld_t; |
---|
79 | |
---|
80 | extern volatile cpld_t cpld; /* defined in linkcmds */ |
---|
81 | |
---|
82 | /* clock/p_clock.c */ |
---|
83 | extern int BSP_disconnect_clock_handler (void); |
---|
84 | |
---|
85 | extern int BSP_connect_clock_handler (rtems_irq_hdl hdl); |
---|
86 | |
---|
87 | /* |
---|
88 | * Prototypes for methods called from .S to support dependency tracking. |
---|
89 | */ |
---|
90 | void _InitSS555(void); |
---|
91 | |
---|
92 | #ifdef __cplusplus |
---|
93 | } |
---|
94 | #endif |
---|
95 | |
---|
96 | #endif /* !ASM */ |
---|
97 | |
---|
98 | #endif |
---|