SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.

/*******************************************************************************
 *
 * OPTBOOT.H
 *
 * This module contains functions which build a confirmation for each option:
 *  - get the chip id,
 *  - get the monitor id,
 *  - get the board_id.
 *
 * (C) Texas Instruments 1999
 *
 ******************************************************************************/

#ifndef __OPTBOOT_H__
#define __OPTBOOT_H__

#include "command.h"


extern void opt_get_monitor_id (t_com_request *request,
                                t_com_confirmation *confirmation);

extern void
opt_load_application (t_com_request *request, t_com_confirmation *confirmation, SYS_UWORD8 device_id);

extern unsigned long
opt_get_running_address (t_com_request *request, t_com_confirmation *confirmation);


#endif /* __OPTBOOT_H__ */