FreeCalypso > hg > fc-tourmaline
view src/nucleus/evi.c @ 221:5bf097aeaad7
LLS: when turning off all LEDs on boot, skip LED-C
Having LLS turn off LED-A and LED-B on boot is normally unnecessary
(they should already be off in Iota), but it is harmless, hence this
logic is kept for robustness. However, having LLS read-modify-write
the BCICTL2 register (to turn off LED-C) creates a potential race
condition with FCHG writes to this register, especially in the case
when baseband switch-on is caused by VCHG and charging is expected
to start right away. Furthermore, control of the charging LED itself
(on those hw targets that have it) is the responsibility of the FCHG
SWE, hence LLS should leave it alone.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 26 Apr 2021 21:55:13 +0000 |
parents | 4e78acac3d88 |
children |
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/*************************************************************************/ /* */ /* Copyright Mentor Graphics Corporation 2002 */ /* All Rights Reserved. */ /* */ /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ /* SUBJECT TO LICENSE TERMS. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* FILE NAME VERSION */ /* */ /* evi.c Nucleus PLUS 1.14 */ /* */ /* COMPONENT */ /* */ /* EV - Event Group Management */ /* */ /* DESCRIPTION */ /* */ /* This file contains the initialization routine for the Event */ /* Group Management component. */ /* */ /* DATA STRUCTURES */ /* */ /* None */ /* */ /* FUNCTIONS */ /* */ /* EVI_Initialize Event Group Management Init */ /* */ /* DEPENDENCIES */ /* */ /* ev_defs.h Event Group component const. */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* 03-01-1994 Modified copyright, resulting in */ /* version 1.1 */ /* */ /* 03-18-1994 Verified version 1.1 */ /* 04-17-1996 updated to version 1.2 */ /* 03-24-1998 Released version 1.3 */ /* 03-26-1999 Released 1.11m (new release */ /* numbering scheme) */ /* 04-17-2002 Released version 1.13m */ /* 11-07-2002 Released version 1.14 */ /*************************************************************************/ #define NU_SOURCE_FILE #include "ev_defs.h" /* Event Group constants */ #include "ev_extr.h" /* Event Group interfaces */ /* Define external inner-component global data references. */ extern CS_NODE *EVD_Created_Event_Groups_List; extern UNSIGNED EVD_Total_Event_Groups; extern TC_PROTECT EVD_List_Protect; /*************************************************************************/ /* */ /* FUNCTION */ /* */ /* EVI_Initialize */ /* */ /* DESCRIPTION */ /* */ /* This function initializes the data structures that control the */ /* operation of the Event Group component (EV). There are no */ /* event groups initially. This routine must be called from */ /* Supervisor mode in Supervisor/User mode switching kernels. */ /* */ /* CALLED BY */ /* */ /* INC_Initialize System initialization */ /* */ /* CALLS */ /* */ /* None */ /* */ /* INPUTS */ /* */ /* None */ /* */ /* OUTPUTS */ /* */ /* EVD_Created_Event_Groups_List List of created event groups */ /* EVD_Total_Event_Groups Number of created event */ /* groups */ /* EVD_List_Protect Protection for event group */ /* list */ /* */ /* HISTORY */ /* */ /* DATE REMARKS */ /* */ /* 03-01-1993 Created initial version 1.0 */ /* 04-19-1993 Verified version 1.0 */ /* */ /*************************************************************************/ VOID EVI_Initialize(VOID) { NU_SUPERV_USER_VARIABLES /* Switch to supervisor mode */ NU_SUPERVISOR_MODE(); /* Initialize the created event group list to NU_NULL. */ EVD_Created_Event_Groups_List = NU_NULL; /* Initialize the total number of created event groups to 0. */ EVD_Total_Event_Groups = 0; /* Initialize the list protection structure. */ EVD_List_Protect.tc_tcb_pointer = NU_NULL; /* Return to user mode */ NU_USER_MODE(); }