1 | /* |
---|
2 | * bsp.h -- contain BSP API definition. |
---|
3 | * |
---|
4 | * Copyright (C) 1999 Eric Valette. valette@crf.canon.fr |
---|
5 | * |
---|
6 | * The license and distribution terms for this file may be |
---|
7 | * found in found in the file LICENSE in this distribution or at |
---|
8 | * http://www.OARcorp.com/rtems/license.html. |
---|
9 | * |
---|
10 | * $Id$ |
---|
11 | */ |
---|
12 | #ifndef LIBBSP_POWERPC_MOTOROLA_SHARED_BSP_H |
---|
13 | #define LIBBSP_POWERPC_MOTOROLA_SHARED_BSP_H |
---|
14 | |
---|
15 | #include <rtems.h> |
---|
16 | #include <console.h> |
---|
17 | #include <libcpu/io.h> |
---|
18 | #include <clockdrv.h> |
---|
19 | #include <bsp/vectors.h> |
---|
20 | |
---|
21 | /* |
---|
22 | * confdefs.h overrides for this BSP: |
---|
23 | * - termios serial ports (defaults to 1) |
---|
24 | * - Interrupt stack space is not minimum if defined. |
---|
25 | */ |
---|
26 | |
---|
27 | /* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */ |
---|
28 | #define CONFIGURE_INTERRUPT_STACK_MEMORY (16 * 1024) |
---|
29 | |
---|
30 | #ifndef ASM |
---|
31 | #define outport_byte(port,value) outb(value,port) |
---|
32 | #define outport_word(port,value) outw(value,port) |
---|
33 | #define outport_long(port,value) outl(value,port) |
---|
34 | |
---|
35 | #define inport_byte(port,value) (value = inb(port)) |
---|
36 | #define inport_word(port,value) (value = inw(port)) |
---|
37 | #define inport_long(port,value) (value = inl(port)) |
---|
38 | /* |
---|
39 | * Vital Board data Start using DATA RESIDUAL |
---|
40 | */ |
---|
41 | /* |
---|
42 | * Total memory using RESIDUAL DATA |
---|
43 | */ |
---|
44 | extern unsigned int BSP_mem_size; |
---|
45 | /* |
---|
46 | * PCI Bus Frequency |
---|
47 | */ |
---|
48 | extern unsigned int BSP_bus_frequency; |
---|
49 | /* |
---|
50 | * processor clock frequency |
---|
51 | */ |
---|
52 | extern unsigned int BSP_processor_frequency; |
---|
53 | /* |
---|
54 | * Time base divisior (how many tick for 1 second). |
---|
55 | */ |
---|
56 | extern unsigned int BSP_time_base_divisor; |
---|
57 | |
---|
58 | #define BSP_Convert_decrementer( _value ) \ |
---|
59 | ((unsigned long long) ((((unsigned long long)BSP_time_base_divisor) * 1000000ULL) /((unsigned long long) BSP_bus_frequency)) * ((unsigned long long) (_value))) |
---|
60 | |
---|
61 | extern rtems_configuration_table BSP_Configuration; |
---|
62 | extern void BSP_panic(char *s); |
---|
63 | extern void rtemsReboot(void); |
---|
64 | /* extern int printk(const char *, ...) __attribute__((format(printf, 1, 2))); */ |
---|
65 | extern int BSP_disconnect_clock_handler (void); |
---|
66 | extern int BSP_connect_clock_handler (void); |
---|
67 | |
---|
68 | /* |
---|
69 | * TM27 stuff |
---|
70 | */ |
---|
71 | |
---|
72 | #if defined(USE_ENHANCED_INTR_API) && defined(RTEMS_TM27) |
---|
73 | |
---|
74 | #include <bsp/irq.h> |
---|
75 | |
---|
76 | #define MUST_WAIT_FOR_INTERRUPT 1 |
---|
77 | |
---|
78 | void nullFunc() {} |
---|
79 | static rtems_irq_connect_data clockIrqData = {BSP_DECREMENTER, |
---|
80 | 0, |
---|
81 | (rtems_irq_enable)nullFunc, |
---|
82 | (rtems_irq_disable)nullFunc, |
---|
83 | (rtems_irq_is_enabled) nullFunc}; |
---|
84 | void Install_tm27_vector(void (*_handler)()) |
---|
85 | { |
---|
86 | clockIrqData.hdl = _handler; |
---|
87 | if (!BSP_install_rtems_irq_handler (&clockIrqData)) { |
---|
88 | printk("Error installing clock interrupt handler!\n"); |
---|
89 | rtems_fatal_error_occurred(1); |
---|
90 | } |
---|
91 | } |
---|
92 | |
---|
93 | #define Cause_tm27_intr() \ |
---|
94 | do { \ |
---|
95 | unsigned32 _clicks = 8; \ |
---|
96 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
---|
97 | } while (0) |
---|
98 | |
---|
99 | |
---|
100 | #define Clear_tm27_intr() \ |
---|
101 | do { \ |
---|
102 | unsigned32 _clicks = 0xffffffff; \ |
---|
103 | asm volatile( "mtdec %0" : "=r" ((_clicks)) : "r" ((_clicks)) ); \ |
---|
104 | } while (0) |
---|
105 | |
---|
106 | #define Lower_tm27_intr() \ |
---|
107 | do { \ |
---|
108 | unsigned32 _msr = 0; \ |
---|
109 | _ISR_Set_level( 0 ); \ |
---|
110 | asm volatile( "mfmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
---|
111 | _msr |= 0x8002; \ |
---|
112 | asm volatile( "mtmsr %0 ;" : "=r" (_msr) : "r" (_msr) ); \ |
---|
113 | } while (0) |
---|
114 | #endif |
---|
115 | |
---|
116 | |
---|
117 | #endif |
---|
118 | |
---|
119 | #endif |
---|