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annotate src/gpf2/inc/pei.h @ 680:ee3ac8c617cb

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armio.c: set GPIO2 output high initially On TI-canonical platforms GPIO2 is DCD modem control output. In TI's original code the AI_InitIOConfig() function called from Init_Target() would configure GPIO2 as an output and set the initial output value to low, but then the init code in uartfax.c called from Init_Serial_Flows() would immediately change it to high, corresponding to DCD not asserted. The result is a momentary asserted-state glitch on the DCD output. The present change eliminates this glitch, setting DCD output to not-asserted initially like it should be.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 25 Jun 2020 03:17:43 +0000
parents 864b8cc0cf63
children
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1 /*
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2 +------------------------------------------------------------------------------
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3 | File: pei.h
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4 +------------------------------------------------------------------------------
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5 | Copyright 2002 Texas Instruments Berlin, AG
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6 | All rights reserved.
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7 |
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8 | This file is confidential and a trade secret of Texas
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9 | Instruments Berlin, AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Texas Instruments Berlin, AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : Protocol Entity Interface exported definitions.
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17 +-----------------------------------------------------------------------------
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18 */
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19
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21 #ifndef __PEI_H__
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22 #define __PEI_H__
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23
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24 /*==== INCLUDES ============================================================*/
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26 #include <stddef.h>
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27
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28 /*==== CONSTANTS ===========================================================*/
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29
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30 #define PEI_OK 0
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31 #define PEI_ERROR (-1)
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32
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33 /*==== TYPES ===============================================================*/
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34
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35 typedef int T_PEI_RETURN;
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36 typedef char * T_PEI_CONFIG;
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37 typedef void T_PEI_MONITOR;
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38
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39 /*
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40 * types and macros for pei-jumptable processing
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41 */
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42
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43 #define PALLOC_TRANSITION /* to reinsert the sdu pointer in pei_primitive */
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44 #define NO_COPY_ROUTING /* has to be set for frame version > 2.5.0 */
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45
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46 /*
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47 * for definitions of jumptables
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48 */
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49 typedef void (*T_VOID_FUNC)();
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50 typedef short (*T_SHORT_FUNC)();
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52 typedef struct { T_VOID_FUNC func; size_t size; size_t soff; ULONG opc; } T_FUNC;
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53 #define MAK_FUNC_S(FUNC,OPC) { (T_VOID_FUNC)FUNC, sizeof(T_##OPC), offsetof(T_##OPC,sdu), OPC }
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54 #define MAK_FUNC_0(FUNC,OPC) { (T_VOID_FUNC)FUNC, sizeof(T_##OPC), 0 , OPC }
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55 #define MAK_FUNC_N(FUNC,OPC) { (T_VOID_FUNC)FUNC, 0 , 0 , 0 }
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57 #define TAB_SIZE(T) (sizeof T / sizeof *T)
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58
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59 typedef struct
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60 {
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61 SHORT (*pei_init)(T_HANDLE);
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62 SHORT (*pei_exit)(void);
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63 SHORT (*pei_primitive)(void*);
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64 SHORT (*pei_timeout)(USHORT);
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65 SHORT (*pei_signal)(ULONG,void*);
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66 SHORT (*pei_run)(T_HANDLE,T_HANDLE);
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67 SHORT (*pei_config)(char*);
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68 SHORT (*pei_monitor)(void**);
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69 } T_PEI_FUNC;
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70
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71
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72 typedef struct
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73 {
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74 char const *Name;
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75 T_PEI_FUNC PeiTable;
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76 ULONG StackSize;
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77 USHORT QueueEntries;
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78 USHORT Priority;
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79 USHORT NumOfTimers;
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80 U32 Flags;
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81 } T_PEI_INFO;
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82
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83
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84 #endif /* __PEI_H__ */
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85