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comparison src/cs/drivers/drv_core/inth/inth.c @ 0:4e78acac3d88

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src/{condat,cs,gpf,nucleus}: import from Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:23:26 +0000
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-1:000000000000 0:4e78acac3d88
1 /*******************************************************************************
2 TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
3
4 Property of Texas Instruments -- For Unrestricted Internal Use Only
5 Unauthorized reproduction and/or distribution is strictly prohibited. This
6 product is protected under copyright law and trade secret law as an
7 unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All
8 rights reserved.
9
10
11 Filename : inth.c
12
13 Description : inth.c saturn interupt handler
14
15 Project : drivers
16
17 Author : pmonteil@tif.ti.com Patrice Monteil.
18
19 Version number : 1.15
20
21 Date : 05/23/03
22
23 Previous delta : 12/19/00 14:39:21
24
25 SCCS file : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.inth.c
26
27 Sccs Id (SID) : '@(#) inth.c 1.8 01/30/01 10:22:26 '
28
29
30 *****************************************************************************/
31
32 #include "l1sw.cfg"
33 #include "chipset.cfg"
34
35
36 #if (CHIPSET != 12)
37
38 #if (OP_L1_STANDALONE == 0)
39 #include "main/sys_types.h"
40 #else
41 #include "sys_types.h"
42 #endif
43 #include "memif/mem.h"
44 #include "inth.h"
45
46 /*--------------------------------------------------------------
47 * INTH_Ack()
48 *--------------------------------------------------------------
49 * Parameters : num of it
50 * Return : none
51 * Functionality :Acknowledge an interrupt and return the origin
52 * of the interrupt (binary format)
53 *--------------------------------------------------------------*/
54
55 SYS_UWORD16 INTH_Ack (int intARM)
56 {
57 if (intARM == INTH_IRQ)
58 return((* (volatile SYS_UWORD16 *) INTH_B_IRQ_REG) & INTH_SRC_NUM);
59 else
60 return((* (volatile SYS_UWORD16 *) INTH_B_FIQ_REG) & INTH_SRC_NUM);
61 }
62
63 /*--------------------------------------------------------------
64 * INTH_GetPending()
65 *--------------------------------------------------------------
66 * Parameters : none
67 * Return : none
68 * Functionality : Return the pending interrupts
69 *--------------------------------------------------------------*/
70
71 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
72 unsigned long INTH_GetPending (void)
73 {
74 return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) |
75 ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
76 }
77 #else
78 unsigned short INTH_GetPending (void)
79 {
80 return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
81 }
82 #endif
83
84 /*--------------------------------------------------------------
85 * INTH_InitLevel()
86 *--------------------------------------------------------------
87 * Parameters : num it,FIQ/IRQ,priority level,edge/level.
88 * Return : none
89 * Functionality : Initialize an interrupt
90 * - put it on IRQ or FIQ
91 * - set its priority level
92 *
93 *--------------------------------------------------------------*/
94
95 void INTH_InitLevel (int inputInt, int FIQ_nIRQ, int priority, int edge)
96 {
97 volatile SYS_UWORD16 *inthLevelReg = (SYS_UWORD16 *) INTH_EXT_REG;
98
99 inthLevelReg = inthLevelReg + inputInt;
100
101 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
102 *inthLevelReg = (FIQ_nIRQ | (edge << 1) | (priority << 2));
103 #else
104 *inthLevelReg = (FIQ_nIRQ | (priority << 1) | (edge << 5));
105 #endif
106 }
107
108 /*--------------------------------------------------------------
109 * INTH_ResetIT()
110 *--------------------------------------------------------------
111 * Parameters : none
112 * Return : none
113 * Functionality : reset the inth it register
114 *--------------------------------------------------------------*/
115
116 #if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11))
117 unsigned long INTH_ResetIT (void)
118 {
119 * (volatile SYS_UWORD16 *) INTH_IT_REG1 &= 0x0000;
120 * (volatile SYS_UWORD16 *) INTH_IT_REG2 &= 0x0000;
121 return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) |
122 ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16)));
123 }
124 #else
125 unsigned short INTH_ResetIT (void)
126 {
127 * (volatile SYS_UWORD16 *) INTH_IT_REG &= 0x0000;
128 return(* (volatile SYS_UWORD16 *) INTH_IT_REG);
129 }
130 #endif
131
132
133 #endif /* endif chipset != 12 */
134
135
136