return ERROR_OK;
}
-int xscale_jtag_set_instr(int chain_pos, u32 new_instr)
+int xscale_jtag_set_instr(jtag_tap_t *tap, u32 new_instr)
{
- jtag_device_t *device = jtag_get_device(chain_pos);
- if (device==NULL)
+ if (tap==NULL)
return ERROR_FAIL;
- if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
{
scan_field_t field;
- field.device = chain_pos;
- field.num_bits = device->ir_length;
+ field.tap = tap;
+ field.num_bits = tap->ir_length;
field.out_value = calloc(CEIL(field.num_bits, 8), 1);
buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
field.out_mask = NULL;
field.in_value = NULL;
- jtag_set_check_value(&field, device->expected, device->expected_mask, NULL);
+ jtag_set_check_value(&field, tap->expected, tap->expected_mask, NULL);
jtag_add_ir_scan(1, &field, -1);
u8 field2_check_mask = 0x1;
jtag_add_end_state(TAP_PD);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
buf_set_u32(&field0, 1, 1, xscale->hold_rst);
buf_set_u32(&field0, 2, 1, xscale->external_debug_break);
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 3;
fields[0].out_value = &field0;
fields[0].out_mask = NULL;
fields[0].in_value = NULL;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 32;
fields[1].out_value = NULL;
fields[1].out_mask = NULL;
fields[1].in_check_value = NULL;
fields[1].in_check_mask = NULL;
- fields[2].device = xscale->jtag_info.chain_pos;
+ fields[2].tap = xscale->jtag_info.tap;
fields[2].num_bits = 1;
fields[2].out_value = &field2;
fields[2].out_mask = NULL;
path[1] = TAP_CD;
path[2] = TAP_SD;
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 3;
fields[0].out_value = NULL;
fields[0].out_mask = NULL;
fields[0].in_value = NULL;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 32;
fields[1].out_value = NULL;
fields[1].out_mask = NULL;
- fields[2].device = xscale->jtag_info.chain_pos;
+ fields[2].tap = xscale->jtag_info.tap;
fields[2].num_bits = 1;
fields[2].out_value = NULL;
fields[2].out_mask = NULL;
jtag_set_check_value(fields+2, &field2_check_value, &field2_check_mask, NULL);
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgtx);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx);
jtag_add_runtest(1, -1); /* ensures that we're in the TAP_RTI state as the above could be a no-op */
/* repeat until all words have been collected */
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgtx);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgtx);
path[0] = TAP_SDS;
path[1] = TAP_CD;
noconsume_path[4] = TAP_E2D;
noconsume_path[5] = TAP_SD;
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 3;
fields[0].out_value = NULL;
fields[0].out_mask = NULL;
fields[0].in_value = &field0_in;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 32;
fields[1].out_value = NULL;
fields[1].out_mask = NULL;
- fields[2].device = xscale->jtag_info.chain_pos;
+ fields[2].tap = xscale->jtag_info.tap;
fields[2].num_bits = 1;
fields[2].out_value = NULL;
fields[2].out_mask = NULL;
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgrx);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx);
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 3;
fields[0].out_value = &field0_out;
fields[0].out_mask = NULL;
fields[0].in_value = &field0_in;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 32;
fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_RX].value;
fields[1].out_mask = NULL;
- fields[2].device = xscale->jtag_info.chain_pos;
+ fields[2].tap = xscale->jtag_info.tap;
fields[2].num_bits = 1;
fields[2].out_value = &field2;
fields[2].out_mask = NULL;
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dbgrx);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dbgrx);
bits[0]=3;
t[0]=0;
LOG_ERROR("BUG: size neither 4, 2 nor 1");
exit(-1);
}
- jtag_add_dr_out(xscale->jtag_info.chain_pos,
+ jtag_add_dr_out(xscale->jtag_info.tap,
3,
bits,
t,
xscale->external_debug_break = ext_dbg_brk;
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
buf_set_u32(&field0, 1, 1, xscale->hold_rst);
buf_set_u32(&field0, 2, 1, xscale->external_debug_break);
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 3;
fields[0].out_value = &field0;
fields[0].out_mask = NULL;
fields[0].in_value = NULL;
jtag_set_check_value(fields+0, &field0_check_value, &field0_check_mask, NULL);
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 32;
fields[1].out_value = xscale->reg_cache->reg_list[XSCALE_DCSR].value;
fields[1].out_mask = NULL;
- fields[2].device = xscale->jtag_info.chain_pos;
+ fields[2].tap = xscale->jtag_info.tap;
fields[2].num_bits = 1;
fields[2].out_value = &field2;
fields[2].out_mask = NULL;
LOG_DEBUG("loading miniIC at 0x%8.8x", va);
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.ldic); /* LDIC */
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */
/* CMD is b010 for Main IC and b011 for Mini IC */
if (mini)
/* virtual address of desired cache line */
buf_set_u32(packet, 0, 27, va >> 5);
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 6;
fields[0].out_value = &cmd;
fields[0].out_mask = NULL;
fields[0].in_handler = NULL;
fields[0].in_handler_priv = NULL;
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 27;
fields[1].out_value = packet;
fields[1].out_mask = NULL;
scan_field_t fields[2];
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.ldic); /* LDIC */
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.ldic); /* LDIC */
/* CMD for invalidate IC line b000, bits [6:4] b000 */
buf_set_u32(&cmd, 0, 6, 0x0);
/* virtual address of desired cache line */
buf_set_u32(packet, 0, 27, va >> 5);
- fields[0].device = xscale->jtag_info.chain_pos;
+ fields[0].tap = xscale->jtag_info.tap;
fields[0].num_bits = 6;
fields[0].out_value = &cmd;
fields[0].out_mask = NULL;
fields[0].in_handler = NULL;
fields[0].in_handler_priv = NULL;
- fields[1].device = xscale->jtag_info.chain_pos;
+ fields[1].tap = xscale->jtag_info.tap;
fields[1].num_bits = 27;
fields[1].out_value = packet;
fields[1].out_mask = NULL;
* end up in T-L-R, which would reset JTAG
*/
jtag_add_end_state(TAP_RTI);
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, xscale->jtag_info.dcsr);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, xscale->jtag_info.dcsr);
/* set Hold reset, Halt mode and Trap Reset */
buf_set_u32(xscale->reg_cache->reg_list[XSCALE_DCSR].value, 30, 1, 0x1);
xscale_write_dcsr(target, 1, 0);
/* select BYPASS, because having DCSR selected caused problems on the PXA27x */
- xscale_jtag_set_instr(xscale->jtag_info.chain_pos, 0x7f);
+ xscale_jtag_set_instr(xscale->jtag_info.tap, 0x7f);
jtag_execute_queue();
/* assert reset */
return ERROR_OK;
}
-int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, int chain_pos, const char *variant)
+int xscale_init_arch_info(target_t *target, xscale_common_t *xscale, jtag_tap_t *tap, const char *variant)
{
armv4_5_common_t *armv4_5;
u32 high_reset_branch, low_reset_branch;
xscale->variant = strdup(variant);
/* prepare JTAG information for the new target */
- xscale->jtag_info.chain_pos = chain_pos;
+ xscale->jtag_info.tap = tap;
xscale->jtag_info.dbgrx = 0x02;
xscale->jtag_info.dbgtx = 0x10;
{
xscale_common_t *xscale = calloc(1,sizeof(xscale_common_t));
- xscale_init_arch_info(target, xscale, target->chain_position, target->variant);
+ xscale_init_arch_info(target, xscale, target->tap, target->variant);
xscale_build_reg_cache(target);
return ERROR_OK;