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switch to jtag_add_dr_scan_check() - USB performance fix 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1737 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2009-05-11 09:10:03 +00:00
parent 8c77f7c69c
commit 55d89826aa
1 changed files with 9 additions and 3 deletions
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12
src/target/embeddedice.c
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@ -240,22 +240,30 @@ int embeddedice_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)
fields[0].num_bits = 32;
fields[0].out_value = reg->value;
fields[0].in_value = NULL;
fields[0].check_value = NULL;
fields[0].check_mask = NULL;
fields[1].tap = ice_reg->jtag_info->tap;
fields[1].num_bits = 5;
fields[1].out_value = field1_out;
buf_set_u32(fields[1].out_value, 0, 5, reg_addr);
fields[1].in_value = NULL;
fields[1].check_value = NULL;
fields[1].check_mask = NULL;
fields[2].tap = ice_reg->jtag_info->tap;
fields[2].num_bits = 1;
fields[2].out_value = field2_out;
buf_set_u32(fields[2].out_value, 0, 1, 0);
fields[2].in_value = NULL;
fields[2].check_value = NULL;
fields[2].check_mask = NULL;
jtag_add_dr_scan(3, fields, TAP_INVALID);
fields[0].in_value = reg->value;
fields[0].check_value = check_value;
fields[0].check_mask = check_mask;
/* when reading the DCC data register, leaving the address field set to
* EICE_COMMS_DATA would read the register twice
@ -263,9 +271,7 @@ int embeddedice_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)
*/
buf_set_u32(fields[1].out_value, 0, 5, embeddedice_reg_arch_info[EICE_COMMS_CTRL]);
jtag_add_dr_scan(3, fields, TAP_INVALID);
jtag_check_value_mask(fields+0, check_value, check_mask);
jtag_add_dr_scan_check(3, fields, TAP_INVALID);
return ERROR_OK;
}