static int
cmd_detect_run( char *params[] )
{
if (cmd_params( params ) != 1)
return -1;
if (!cmd_test_cable())
return 1;
buses_free();
parts_free( chain->parts );
chain->parts = NULL;
detect_parts( chain, JTAG_DATA_DIR );
if (!chain->parts)
return 1;
if (!chain->parts->len) {
parts_free( chain->parts );
chain->parts = NULL;
return 1;
}
parts_set_instruction( chain->parts, "SAMPLE/PRELOAD" );
chain_shift_instructions( chain );
chain_shift_data_registers( chain, 1 );
parts_set_instruction( chain->parts, "BYPASS" );
chain_shift_instructions( chain );
return 1;
}
/**
* bus->driver->(*init)
*
*/
static int
jopcyc_bus_init( bus_t *bus )
{
part_t *p = PART;
chain_t *chain = CHAIN;
component_t *comp;
if (tap_state(chain) != Run_Test_Idle) {
/* silently skip initialization if TAP isn't in RUNTEST/IDLE state
this is required to avoid interfering with detect when initbus
is contained in the part description file
bus_init() will be called latest by bus_prepare() */
return URJTAG_STATUS_OK;
}
/* Preload update registers
See AN039, "Guidelines for IEEE Std. 1149.1 Boundary Scan Testing */
part_set_instruction( p, "SAMPLE/PRELOAD" );
chain_shift_instructions( chain );
/* RAMA */
comp = COMP_RAMA;
set_data_in( bus, comp );
part_set_signal( p, nCS, 1, 1 );
part_set_signal( p, nWE, 1, 1 );
part_set_signal( p, nOE, 1, 1 );
part_set_signal( p, nLB, 1, 1 );
part_set_signal( p, nUB, 1, 1 );
/* RAMB */
comp = COMP_RAMB;
set_data_in( bus, comp );
part_set_signal( p, nCS, 1, 1 );
part_set_signal( p, nWE, 1, 1 );
part_set_signal( p, nOE, 1, 1 );
part_set_signal( p, nLB, 1, 1 );
part_set_signal( p, nUB, 1, 1 );
/* FLASH */
comp = COMP_FLASH;
set_data_in( bus, comp );
part_set_signal( p, nCS, 1, 1 );
part_set_signal( p, nWE, 1, 1 );
part_set_signal( p, nOE, 1, 1 );
part_set_signal( p, nCS2, 1, 1 );
part_set_signal( p, nRDY, 0, 0 );
/* Serial Port */
part_set_signal( p, SER_RXD, 0, 0 );
part_set_signal( p, SER_NRTS, 1, 1 );
part_set_signal( p, SER_TXD, 1, 1 );
part_set_signal( p, SER_NCTS, 0, 0 );
chain_shift_data_registers( chain, 0 );
INITIALIZED = 1;
return URJTAG_STATUS_OK;
}
static int
cmd_shift_run( char *params[] )
{
if (cmd_params( params ) != 2)
return -1;
if (!cmd_test_cable())
return 1;
if (strcmp( params[1], "ir" ) == 0) {
chain_shift_instructions( chain );
return 1;
}
if (strcmp( params[1], "dr" ) == 0) {
chain_shift_data_registers( chain, 1 );
return 1;
}
return -1;
}
/**
* bus->driver->(*init)
*
*/
static int
s3c4510_bus_init( bus_t *bus )
{
part_t *p = PART;
chain_t *chain = CHAIN;
if (tap_state(chain) != Run_Test_Idle) {
/* silently skip initialization if TAP isn't in RUNTEST/IDLE state
this is required to avoid interfering with detect when initbus
is contained in the part description file
bus_init() will be called latest by bus_prepare() */
return URJTAG_STATUS_OK;
}
part_set_instruction( p, "SAMPLE/PRELOAD" );
chain_shift_instructions( chain );
chain_shift_data_registers( chain, 0 );
INITIALIZED = 1;
return URJTAG_STATUS_OK;
}
static void
s3c4510_bus_prepare( bus_t *bus )
{
part_set_instruction( PART, "EXTEST" );
chain_shift_instructions( CHAIN );
}
static void
ppc440gx_ebc8_bus_prepare( bus_t *bus )
{
part_set_instruction( PART, "EXTEST" );
chain_shift_instructions( CHAIN );
}