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statically set GPIO high byte with product-specific values

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git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1008 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
master
Arnim Läuger 17 years ago
parent 0aa7e74a05
commit 0da6084704
2 changed files with 92 additions and 6 deletions
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6
jtag/ChangeLog
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@ -1,3 +1,9 @@
2008-02-12 Arnim Laeuger <arniml@users.sourceforge.net>
* src/tap/cable/ft2232.c: statically set GPIO high byte with product-specific values
first step of
[ 1891845 ] Add support for TRST/SRST/LEDs to FT2232 cable driver
2008-02-11 Arnim Laeuger <arniml@users.sourceforge.net>
* src/bsdl/bsdl_bison.y (Store_Text): removed function Make_String()

92
jtag/src/tap/cable/ft2232.c
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@ -81,13 +81,30 @@
#define BIT_TDO 2
#define BIT_TMS 3
#define BIT_JTAGKEY_nOE 4
#define BIT_JTAGKEY_TRST_N_OUT 0
#define BIT_JTAGKEY_SRST_N_OUT 1
#define BIT_JTAGKEY_TRST_N_OE_N 2
#define BIT_JTAGKEY_SRST_N_OE_N 3
#define BIT_ARMUSBOCD_nOE 4
#define BIT_ARMUSBOCD_nTRST 0
#define BIT_ARMUSBOCD_nTSRST 1
#define BIT_ARMUSBOCD_nTRST_nOE 2
#define BIT_ARMUSBOCD_RED_LED 3
#define BITMASK_TDO (1 << BIT_TDO)
#define BITMASK_TDI (1 << BIT_TDI)
#define BITMASK_TCK (1 << BIT_TCK)
#define BITMASK_TMS (1 << BIT_TMS)
#define BITMASK_JTAGKEY_nOE (1 << BIT_JTAGKEY_nOE)
#define BITMASK_JTAGKEY_TRST_N_OUT (1 << BIT_JTAGKEY_TRST_N_OUT)
#define BITMASK_JTAGKEY_SRST_N_OUT (1 << BIT_JTAGKEY_SRST_N_OUT)
#define BITMASK_JTAGKEY_TRST_N_OE_N (1 << BIT_JTAGKEY_TRST_N_OE_N)
#define BITMASK_JTAGKEY_SRST_N_OE_N (1 << BIT_JTAGKEY_SRST_N_OE_N)
#define BITMASK_ARMUSBOCD_nOE (1 << BIT_ARMUSBOCD_nOE)
#define BITMASK_ARMUSBOCD_nTRST (1 << BIT_ARMUSBOCD_nTRST)
#define BITMASK_ARMUSBOCD_nTSRST (1 << BIT_ARMUSBOCD_nTRST)
#define BITMASK_ARMUSBOCD_nTRST_nOE (1 << BIT_ARMUSBOCD_nTRST_nOE)
#define BITMASK_ARMUSBOCD_RED_LED (1 << BIT_ARMUSBOCD_RED_LED)
typedef struct {
@ -286,12 +303,16 @@ ft2232_generic_init( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, params->low_byte_value | BITMASK_TMS );
push_to_send( params, params->low_byte_dir | BITMASK_TCK | BITMASK_TDI | BITMASK_TMS );
send_and_receive( cable );
/* Set TCK/SK Divisor to max frequency */
push_to_send( params, TCK_DIVISOR );
push_to_send( params, 0 );
push_to_send( params, 0 );
/* Set Data Bits High Byte */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, 0 );
push_to_send( params, 0 );
send_and_receive( cable );
params->mpsse_frequency = FT2232_MAX_TCK_FREQ;
@ -324,12 +345,23 @@ ft2232_jtagkey_init( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, params->low_byte_value | BITMASK_TMS );
push_to_send( params, params->low_byte_dir | BITMASK_TCK | BITMASK_TDI | BITMASK_TMS );
send_and_receive( cable );
/* Set TCK/SK Divisor to max frequency */
push_to_send( params, TCK_DIVISOR );
push_to_send( params, 0 );
push_to_send( params, 0 );
/* Set Data Bits High Byte
static low byte value and direction:
TRST_N_OUT = 1
TRST_N_OE_N = 0
SRST_N_OUT = 1
SRST_N_OE_N = 0 */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_JTAGKEY_TRST_N_OUT |
BITMASK_JTAGKEY_SRST_N_OUT );
push_to_send( params, BITMASK_JTAGKEY_TRST_N_OUT | BITMASK_JTAGKEY_TRST_N_OE_N |
BITMASK_JTAGKEY_SRST_N_OUT | BITMASK_JTAGKEY_SRST_N_OE_N );
send_and_receive( cable );
params->mpsse_frequency = FT2232_MAX_TCK_FREQ;
@ -363,12 +395,23 @@ ft2232_armusbocd_init( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, params->low_byte_value | BITMASK_TMS );
push_to_send( params, params->low_byte_dir | BITMASK_TCK | BITMASK_TDI | BITMASK_TMS );
send_and_receive( cable );
/* Set TCK/SK Divisor */
push_to_send( params, TCK_DIVISOR );
push_to_send( params, 0 );
push_to_send( params, 0 );
/* Set Data Bits High Byte
TRST = 1
TRST buffer enable = 0
TSRST = 1
RED LED on */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_ARMUSBOCD_nTRST |
BITMASK_ARMUSBOCD_RED_LED );
push_to_send( params, BITMASK_ARMUSBOCD_nTRST | BITMASK_ARMUSBOCD_nTRST_nOE |
BITMASK_ARMUSBOCD_nTSRST |
BITMASK_ARMUSBOCD_RED_LED );
send_and_receive( cable );
params->mpsse_frequency = FT2232_MAX_TCK_FREQ;
@ -390,6 +433,12 @@ ft2232_generic_done( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, 0 );
push_to_send( params, 0 );
/* Set Data Bits High Byte
set all to input */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, 0 );
push_to_send( params, 0 );
send_and_receive( cable );
parport_close( p );
@ -407,12 +456,27 @@ ft2232_jtagkey_done( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, BITMASK_JTAGKEY_nOE );
push_to_send( params, BITMASK_JTAGKEY_nOE );
send_and_receive( cable );
/* Set Data Bits Low Byte
set all to input */
push_to_send( params, SET_BITS_LOW );
push_to_send( params, BITMASK_JTAGKEY_nOE );
push_to_send( params, 0 );
/* Set Data Bits High Byte
disable output drivers */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_JTAGKEY_TRST_N_OUT | BITMASK_JTAGKEY_TRST_N_OE_N |
BITMASK_JTAGKEY_SRST_N_OUT | BITMASK_JTAGKEY_SRST_N_OE_N );
push_to_send( params, BITMASK_JTAGKEY_TRST_N_OUT | BITMASK_JTAGKEY_TRST_N_OE_N |
BITMASK_JTAGKEY_SRST_N_OUT | BITMASK_JTAGKEY_SRST_N_OE_N );
/* Set Data Bits High Byte
set all to input */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_JTAGKEY_TRST_N_OUT | BITMASK_JTAGKEY_TRST_N_OE_N |
BITMASK_JTAGKEY_SRST_N_OUT | BITMASK_JTAGKEY_SRST_N_OE_N );
push_to_send( params, 0 );
send_and_receive( cable );
parport_close( p );
@ -430,12 +494,28 @@ ft2232_armusbocd_done( cable_t *cable )
push_to_send( params, SET_BITS_LOW );
push_to_send( params, BITMASK_ARMUSBOCD_nOE );
push_to_send( params, BITMASK_ARMUSBOCD_nOE );
send_and_receive( cable );
/* Set Data Bits Low Byte
set all to input */
push_to_send( params, SET_BITS_LOW );
push_to_send( params, BITMASK_ARMUSBOCD_nOE );
push_to_send( params, 0 );
/* Set Data Bits High Byte
disable output drivers */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_ARMUSBOCD_nTRST | BITMASK_ARMUSBOCD_nTRST_nOE |
BITMASK_ARMUSBOCD_nTSRST );
push_to_send( params, BITMASK_ARMUSBOCD_nTRST | BITMASK_ARMUSBOCD_nTRST_nOE |
BITMASK_ARMUSBOCD_nTSRST |
BITMASK_ARMUSBOCD_RED_LED );
/* Set Data Bits High Byte
set all to input */
push_to_send( params, SET_BITS_HIGH );
push_to_send( params, BITMASK_ARMUSBOCD_nTRST | BITMASK_ARMUSBOCD_nTRST_nOE |
BITMASK_ARMUSBOCD_nTSRST );
push_to_send( params, 0 );
send_and_receive( cable );
parport_close( p );
@ -705,7 +785,7 @@ ft2232_flush( cable_t *cable, cable_flush_amount_t how_much )
{
params_t *params = (params_t *)cable->params;
if( how_much == OPTIONALLY ) return;
if( how_much == OPTIONALLY ) return;
while (cable->todo.num_items > 0)
{

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