From e018c7c1d29e8dabb9b4a90bb9eb3574eb1668bb Mon Sep 17 00:00:00 2001 From: Øyvind Harboe Date: Mon, 1 Mar 2010 20:00:59 +0100 Subject: jtag: retire tap field MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit jtag_add_dr/ir_scan() now takes the tap as the first argument, rather than for each of the fields passed in. The code never exercised the path where there was more than one tap being scanned, who knows if it even worked. This simplifies the implementation and reduces clutter in the calling code. use jtag_add_ir/dr_plain_scan() for more fancy situations. Signed-off-by: Øyvind Harboe --- src/target/arm920t.c | 20 ++++---------------- 1 file changed, 4 insertions(+), 16 deletions(-) (limited to 'src/target/arm920t.c') diff --git a/src/target/arm920t.c b/src/target/arm920t.c index 152edcfe..a7816fd8 100644 --- a/src/target/arm920t.c +++ b/src/target/arm920t.c @@ -95,31 +95,27 @@ static int arm920t_read_cp15_physical(struct target *target, arm_jtag_scann(jtag_info, 0xf); arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL); - fields[0].tap = jtag_info->tap; fields[0].num_bits = 1; fields[0].out_value = &access_type_buf; fields[0].in_value = NULL; - fields[1].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = NULL; fields[1].in_value = NULL; - fields[2].tap = jtag_info->tap; fields[2].num_bits = 6; fields[2].out_value = ®_addr_buf; fields[2].in_value = NULL; - fields[3].tap = jtag_info->tap; fields[3].num_bits = 1; fields[3].out_value = &nr_w_buf; fields[3].in_value = NULL; - jtag_add_dr_scan(4, fields, jtag_get_end_state()); + jtag_add_dr_scan(jtag_info->tap, 4, fields, jtag_get_end_state()); fields[1].in_value = (uint8_t *)value; - jtag_add_dr_scan(4, fields, jtag_get_end_state()); + jtag_add_dr_scan(jtag_info->tap, 4, fields, jtag_get_end_state()); jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)value); @@ -150,27 +146,23 @@ static int arm920t_write_cp15_physical(struct target *target, arm_jtag_scann(jtag_info, 0xf); arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL); - fields[0].tap = jtag_info->tap; fields[0].num_bits = 1; fields[0].out_value = &access_type_buf; fields[0].in_value = NULL; - fields[1].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = value_buf; fields[1].in_value = NULL; - fields[2].tap = jtag_info->tap; fields[2].num_bits = 6; fields[2].out_value = ®_addr_buf; fields[2].in_value = NULL; - fields[3].tap = jtag_info->tap; fields[3].num_bits = 1; fields[3].out_value = &nr_w_buf; fields[3].in_value = NULL; - jtag_add_dr_scan(4, fields, jtag_get_end_state()); + jtag_add_dr_scan(jtag_info->tap, 4, fields, jtag_get_end_state()); #ifdef _DEBUG_INSTRUCTION_EXECUTION_ LOG_DEBUG("addr: 0x%x value: %8.8x", reg_addr, value); @@ -206,27 +198,23 @@ static int arm920t_execute_cp15(struct target *target, uint32_t cp15_opcode, buf_set_u32(cp15_opcode_buf, 0, 32, cp15_opcode); - fields[0].tap = jtag_info->tap; fields[0].num_bits = 1; fields[0].out_value = &access_type_buf; fields[0].in_value = NULL; - fields[1].tap = jtag_info->tap; fields[1].num_bits = 32; fields[1].out_value = cp15_opcode_buf; fields[1].in_value = NULL; - fields[2].tap = jtag_info->tap; fields[2].num_bits = 6; fields[2].out_value = ®_addr_buf; fields[2].in_value = NULL; - fields[3].tap = jtag_info->tap; fields[3].num_bits = 1; fields[3].out_value = &nr_w_buf; fields[3].in_value = NULL; - jtag_add_dr_scan(4, fields, jtag_get_end_state()); + jtag_add_dr_scan(jtag_info->tap, 4, fields, jtag_get_end_state()); arm9tdmi_clock_out(jtag_info, arm_opcode, 0, NULL, 0); arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); -- cgit v1.2.3