]> git.kernelconcepts.de Git - karo-tx-redboot.git/blob - packages/hal/arm/ebsa285/v2_0/include/hal_platform_ints.h
Initial revision
[karo-tx-redboot.git] / packages / hal / arm / ebsa285 / v2_0 / include / hal_platform_ints.h
1 #ifndef CYGONCE_HAL_PLATFORM_INTS_H
2 #define CYGONCE_HAL_PLATFORM_INTS_H
3 //==========================================================================
4 //
5 //      hal_platform_ints.h
6 //
7 //      HAL Interrupt and clock support
8 //
9 //==========================================================================
10 //####ECOSGPLCOPYRIGHTBEGIN####
11 // -------------------------------------------
12 // This file is part of eCos, the Embedded Configurable Operating System.
13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
14 //
15 // eCos is free software; you can redistribute it and/or modify it under
16 // the terms of the GNU General Public License as published by the Free
17 // Software Foundation; either version 2 or (at your option) any later version.
18 //
19 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
20 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
21 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
22 // for more details.
23 //
24 // You should have received a copy of the GNU General Public License along
25 // with eCos; if not, write to the Free Software Foundation, Inc.,
26 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 //
28 // As a special exception, if other files instantiate templates or use macros
29 // or inline functions from this file, or you compile this file and link it
30 // with other works to produce a work based on this file, this file does not
31 // by itself cause the resulting work to be covered by the GNU General Public
32 // License. However the source code for this file must still be made available
33 // in accordance with section (3) of the GNU General Public License.
34 //
35 // This exception does not invalidate any other reasons why a work based on
36 // this file might be covered by the GNU General Public License.
37 //
38 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
39 // at http://sources.redhat.com/ecos/ecos-license/
40 // -------------------------------------------
41 //####ECOSGPLCOPYRIGHTEND####
42 //==========================================================================
43 //#####DESCRIPTIONBEGIN####
44 //
45 // Author(s):    hmt
46 // Contributors: hmt
47 // Date:         1999-04-21
48 // Purpose:      Define Interrupt support
49 // Description:  The interrupt details for the EBSA285 are defined here.
50 // Usage:
51 //               #include <cyg/hal/hal_platform_ints.h>
52 //               ...
53 //              
54 //
55 //####DESCRIPTIONEND####
56 //
57 //==========================================================================
58
59 #define CYGNUM_HAL_INTERRUPT_reserved0                   0
60 #define CYGNUM_HAL_INTERRUPT_SOFT_IRQ                    1
61 #define CYGNUM_HAL_INTERRUPT_SERIAL_RX                   2
62 #define CYGNUM_HAL_INTERRUPT_SERIAL_TX                   3
63 #define CYGNUM_HAL_INTERRUPT_TIMER_1                     4
64 #define CYGNUM_HAL_INTERRUPT_TIMER_2                     5
65 #define CYGNUM_HAL_INTERRUPT_TIMER_3                     6    
66 #define CYGNUM_HAL_INTERRUPT_TIMER_4                     7
67 #define CYGNUM_HAL_INTERRUPT_IRQ_IN_0                    8
68 #define CYGNUM_HAL_INTERRUPT_IRQ_IN_1                    9
69 #define CYGNUM_HAL_INTERRUPT_IRQ_IN_2                    10
70 #define CYGNUM_HAL_INTERRUPT_IRQ_IN_3                    11
71 #define CYGNUM_HAL_INTERRUPT_XBUS_CS_0                   12
72 #define CYGNUM_HAL_INTERRUPT_XBUS_CS_1                   13
73 #define CYGNUM_HAL_INTERRUPT_XBUS_CS_2                   14
74 #define CYGNUM_HAL_INTERRUPT_DOORBELL                    15
75 #define CYGNUM_HAL_INTERRUPT_DMA_1                       16
76 #define CYGNUM_HAL_INTERRUPT_DMA_2                       17
77 #define CYGNUM_HAL_INTERRUPT_PCI_IRQ                     18
78 #define CYGNUM_HAL_INTERRUPT_PMCSR                       19
79 #define CYGNUM_HAL_INTERRUPT_reserved20                  20
80 #define CYGNUM_HAL_INTERRUPT_reserved21                  21
81 #define CYGNUM_HAL_INTERRUPT_BIST                        22
82 #define CYGNUM_HAL_INTERRUPT_SERR                        23
83 #define CYGNUM_HAL_INTERRUPT_SDRAM_PARITY                24
84 #define CYGNUM_HAL_INTERRUPT_I2O_POST                    25
85 #define CYGNUM_HAL_INTERRUPT_reserved26                  26
86 #define CYGNUM_HAL_INTERRUPT_DISCARD_TIMER               27
87 #define CYGNUM_HAL_INTERRUPT_PCI_DATA_PARITY             28
88 #define CYGNUM_HAL_INTERRUPT_PCI_MASTER_ABORT            29
89 #define CYGNUM_HAL_INTERRUPT_PCI_TARGET_ABORT            30
90 #define CYGNUM_HAL_INTERRUPT_PCI_PARITY_ERROR            31
91
92 #define CYGNUM_HAL_ISR_MIN               0
93 #define CYGNUM_HAL_ISR_MAX              31
94
95 #define CYGNUM_HAL_ISR_COUNT            (CYGNUM_HAL_ISR_MAX+1)
96
97 // The vector used by the Real time clock
98 #define CYGNUM_HAL_INTERRUPT_RTC        CYGNUM_HAL_INTERRUPT_TIMER_3
99
100
101 //----------------------------------------------------------------------------
102 // Reset.
103 #include <cyg/hal/hal_ebsa285.h>        // registers
104 #include <cyg/hal/hal_io.h>             // IO macros
105
106 #define HAL_PLATFORM_RESET()                                               \
107     CYG_MACRO_START                                                        \
108     cyg_uint32 ctrl;                                                       \
109                                                                            \
110     /* If watchdog is already enabled, writing to timer4 has no effect. */ \
111     /* But by disabling interupts and just hanging in the loop below    */ \
112     /* the timer might run out eventually (not guaranteed).             */ \
113     HAL_DISABLE_INTERRUPTS(ctrl);                                          \
114                                                                            \
115     /* Set timer4 (must be done before enabling watchdog) */               \
116     HAL_WRITE_UINT32(SA110_TIMER4_LOAD, 2);                                \
117     HAL_WRITE_UINT32(SA110_TIMER4_CONTROL, SA110_TIMER_CONTROL_ENABLE);    \
118                                                                            \
119     /* Enable watchdog */                                                  \
120     HAL_READ_UINT32(SA110_CONTROL, ctrl);                                  \
121     ctrl |= SA110_CONTROL_WATCHDOG;                                        \
122     HAL_WRITE_UINT32(SA110_CONTROL, ctrl);                                 \
123                                                                            \
124     for(;;); /* wait for it */                                             \
125     CYG_MACRO_END
126
127 #define HAL_PLATFORM_RESET_ENTRY 0x41000000
128
129 #endif // CYGONCE_HAL_PLATFORM_INTS_H