X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fpld%2Fvirtex2.c;h=36d8f6fdea2c8dd29ce68f945cacecf9a04e52c6;hp=a31c37d94f1be30545c7c3ba9929f9f29c51fcfe;hb=c4f2a018a594d5cc93f557e30a7906641b59ec56;hpb=167ce32a7cb99962e6ae8f8c6d36b0999c16888c diff --git a/src/pld/virtex2.c b/src/pld/virtex2.c index a31c37d94f..36d8f6fdea 100644 --- a/src/pld/virtex2.c +++ b/src/pld/virtex2.c @@ -17,248 +17,230 @@ * Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ + #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "virtex2.h" - -#include "pld.h" #include "xilinx_bit.h" -#include "command.h" -#include "log.h" -#include "jtag.h" - -#include - -int virtex2_register_commands(struct command_context_s *cmd_ctx); -int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device); -int virtex2_load(struct pld_device_s *pld_device, char *filename); +#include "pld.h" -pld_driver_t virtex2_pld = +static int virtex2_set_instr(struct jtag_tap *tap, uint32_t new_instr) { - .name = "virtex2", - .register_commands = virtex2_register_commands, - .pld_device_command = virtex2_pld_device_command, - .load = virtex2_load, -}; + if (tap == NULL) + return ERROR_FAIL; -int virtex2_set_instr(int chain_pos, u32 new_instr) -{ - jtag_device_t *device = jtag_get_device(chain_pos); - - if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr) - { - scan_field_t field; - - field.device = chain_pos; - field.num_bits = device->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; + if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr) { + struct scan_field field; + + field.num_bits = tap->ir_length; + void *t = calloc(DIV_ROUND_UP(field.num_bits, 8), 1); + field.out_value = t; + buf_set_u32(t, 0, field.num_bits, new_instr); field.in_value = NULL; - field.in_check_value = NULL; - field.in_check_mask = NULL; - field.in_handler = NULL; - field.in_handler_priv = NULL; - - jtag_add_ir_scan(1, &field, TAP_RTI, NULL); - - free(field.out_value); + + jtag_add_ir_scan(tap, &field, TAP_IDLE); + + free(t); } - + return ERROR_OK; } -int virtex2_send_32(struct pld_device_s *pld_device, int num_words, u32 *words) +static int virtex2_send_32(struct pld_device *pld_device, + int num_words, uint32_t *words) { - virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; - scan_field_t scan_field; - u8 *values; + struct virtex2_pld_device *virtex2_info = pld_device->driver_priv; + struct scan_field scan_field; + uint8_t *values; int i; - + values = malloc(num_words * 4); - scan_field.device = virtex2_info->chain_pos; scan_field.num_bits = num_words * 32; scan_field.out_value = values; - scan_field.out_mask = NULL; scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; - scan_field.in_handler = NULL; - scan_field.in_handler_priv = NULL; - + for (i = 0; i < num_words; i++) buf_set_u32(values + 4 * i, 0, 32, flip_u32(*words++, 32)); - - virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */ - - jtag_add_dr_scan(1, &scan_field, TAP_PD, NULL); - + + virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */ + + jtag_add_dr_scan(virtex2_info->tap, 1, &scan_field, TAP_DRPAUSE); + free(values); - + return ERROR_OK; } -int virtex2_jtag_buf_to_u32(u8 *in_buf, void *priv, struct scan_field_s *field) +static inline void virtexflip32(jtag_callback_data_t arg) { - u32 *dest = priv; - *dest = flip_u32(le_to_h_u32(in_buf), 32); - return ERROR_OK; + uint8_t *in = (uint8_t *)arg; + *((uint32_t *)arg) = flip_u32(le_to_h_u32(in), 32); } -int virtex2_receive_32(struct pld_device_s *pld_device, int num_words, u32 *words) +static int virtex2_receive_32(struct pld_device *pld_device, + int num_words, uint32_t *words) { - virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; - scan_field_t scan_field; - - scan_field.device = virtex2_info->chain_pos; + struct virtex2_pld_device *virtex2_info = pld_device->driver_priv; + struct scan_field scan_field; + scan_field.num_bits = 32; scan_field.out_value = NULL; - scan_field.out_mask = NULL; scan_field.in_value = NULL; - scan_field.in_check_value = NULL; - scan_field.in_check_mask = NULL; - scan_field.in_handler = virtex2_jtag_buf_to_u32; - - virtex2_set_instr(virtex2_info->chain_pos, 0x4); /* CFG_OUT */ - - while (num_words--) - { - scan_field.in_handler_priv = words++; - jtag_add_dr_scan(1, &scan_field, TAP_PD, NULL); + + virtex2_set_instr(virtex2_info->tap, 0x4); /* CFG_OUT */ + + while (num_words--) { + scan_field.in_value = (uint8_t *)words; + + jtag_add_dr_scan(virtex2_info->tap, 1, &scan_field, TAP_DRPAUSE); + + jtag_add_callback(virtexflip32, (jtag_callback_data_t)words); + + words++; } - + return ERROR_OK; } -int virtex2_read_stat(struct pld_device_s *pld_device, u32 *status) +static int virtex2_read_stat(struct pld_device *pld_device, uint32_t *status) { - u32 data[5]; - - jtag_add_statemove(TAP_TLR); - - data[0] = 0xaa995566; /* synch word */ - data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */ - data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */ - data[3] = 0x20000000; /* NOOP */ - data[4] = 0x20000000; /* NOOP */ + uint32_t data[5]; + + jtag_add_tlr(); + + data[0] = 0xaa995566; /* synch word */ + data[1] = 0x2800E001; /* Type 1, read, address 7, 1 word */ + data[2] = 0x20000000; /* NOOP (Type 1, read, address 0, 0 words */ + data[3] = 0x20000000; /* NOOP */ + data[4] = 0x20000000; /* NOOP */ virtex2_send_32(pld_device, 5, data); - + virtex2_receive_32(pld_device, 1, status); - + jtag_execute_queue(); - - DEBUG("status: 0x%8.8x", *status); - + + LOG_DEBUG("status: 0x%8.8" PRIx32 "", *status); + return ERROR_OK; } -int virtex2_load(struct pld_device_s *pld_device, char *filename) +static int virtex2_load(struct pld_device *pld_device, const char *filename) { - virtex2_pld_device_t *virtex2_info = pld_device->driver_priv; - xilinx_bit_file_t bit_file; + struct virtex2_pld_device *virtex2_info = pld_device->driver_priv; + struct xilinx_bit_file bit_file; int retval; - int i; - - scan_field_t field; + unsigned int i; + struct scan_field field; - field.device = virtex2_info->chain_pos; - field.out_mask = NULL; field.in_value = NULL; - field.in_check_value = NULL; - field.in_check_mask = NULL; - field.in_handler = NULL; - field.in_handler_priv = NULL; - - if ((retval = xilinx_read_bit_file(&bit_file, filename)) != ERROR_OK) + + retval = xilinx_read_bit_file(&bit_file, filename); + if (retval != ERROR_OK) return retval; - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xb); /* JPROG_B */ + + virtex2_set_instr(virtex2_info->tap, 0xb); /* JPROG_B */ jtag_execute_queue(); jtag_add_sleep(1000); - - virtex2_set_instr(virtex2_info->chain_pos, 0x5); /* CFG_IN */ + + virtex2_set_instr(virtex2_info->tap, 0x5); /* CFG_IN */ jtag_execute_queue(); - + for (i = 0; i < bit_file.length; i++) bit_file.data[i] = flip_u32(bit_file.data[i], 8); - + field.num_bits = bit_file.length * 8; field.out_value = bit_file.data; - jtag_add_dr_scan(1, &field, TAP_PD, NULL); + jtag_add_dr_scan(virtex2_info->tap, 1, &field, TAP_DRPAUSE); jtag_execute_queue(); - - jtag_add_statemove(TAP_TLR); - - jtag_add_end_state(TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ - virtex2_set_instr(virtex2_info->chain_pos, 0xc); /* JSTART */ - jtag_add_runtest(13, TAP_RTI); - virtex2_set_instr(virtex2_info->chain_pos, 0x3f); /* BYPASS */ + + jtag_add_tlr(); + + virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */ + jtag_add_runtest(13, TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ + virtex2_set_instr(virtex2_info->tap, 0xc); /* JSTART */ + jtag_add_runtest(13, TAP_IDLE); + virtex2_set_instr(virtex2_info->tap, 0x3f); /* BYPASS */ jtag_execute_queue(); return ERROR_OK; } -int virtex2_handle_read_stat_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +COMMAND_HANDLER(virtex2_handle_read_stat_command) { - pld_device_t *device; - virtex2_pld_device_t *virtex2_info; - u32 status; - - if (argc < 1) - { - command_print(cmd_ctx, "usage: virtex2 read_stat "); - return ERROR_OK; - } - - device = get_pld_device_by_num(strtoul(args[0], NULL, 0)); - if (!device) - { - command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]); + struct pld_device *device; + uint32_t status; + + if (CMD_ARGC < 1) + return ERROR_COMMAND_SYNTAX_ERROR; + + unsigned dev_id; + COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], dev_id); + device = get_pld_device_by_num(dev_id); + if (!device) { + command_print(CMD_CTX, "pld device '#%s' is out of bounds", CMD_ARGV[0]); return ERROR_OK; } - virtex2_info = device->driver_priv; - virtex2_read_stat(device, &status); - - command_print(cmd_ctx, "virtex2 status register: 0x%8.8x", status); - + + command_print(CMD_CTX, "virtex2 status register: 0x%8.8" PRIx32 "", status); + return ERROR_OK; } -int virtex2_register_commands(struct command_context_s *cmd_ctx) +PLD_DEVICE_COMMAND_HANDLER(virtex2_pld_device_command) { - command_t *virtex2_cmd = register_command(cmd_ctx, NULL, "virtex2", NULL, COMMAND_ANY, "virtex2 specific commands"); + struct jtag_tap *tap; - register_command(cmd_ctx, virtex2_cmd, "read_stat", virtex2_handle_read_stat_command, COMMAND_EXEC, - "read Virtex-II status register"); + struct virtex2_pld_device *virtex2_info; - return ERROR_OK; -} + if (CMD_ARGC < 2) + return ERROR_COMMAND_SYNTAX_ERROR; -int virtex2_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct pld_device_s *pld_device) -{ - virtex2_pld_device_t *virtex2_info; - - if (argc < 2) - { - WARNING("incomplete pld device 'virtex2' configuration"); - return ERROR_PLD_DEVICE_INVALID; + tap = jtag_tap_by_string(CMD_ARGV[1]); + if (tap == NULL) { + command_print(CMD_CTX, "Tap: %s does not exist", CMD_ARGV[1]); + return ERROR_OK; } - - virtex2_info = malloc(sizeof(virtex2_pld_device_t)); - pld_device->driver_priv = virtex2_info; - - virtex2_info->chain_pos = strtoul(args[1], NULL, 0); - + + virtex2_info = malloc(sizeof(struct virtex2_pld_device)); + virtex2_info->tap = tap; + + pld->driver_priv = virtex2_info; + return ERROR_OK; } + +static const struct command_registration virtex2_exec_command_handlers[] = { + { + .name = "read_stat", + .mode = COMMAND_EXEC, + .handler = virtex2_handle_read_stat_command, + .help = "read status register", + .usage = "pld_num", + }, + COMMAND_REGISTRATION_DONE +}; +static const struct command_registration virtex2_command_handler[] = { + { + .name = "virtex2", + .mode = COMMAND_ANY, + .help = "Virtex-II specific commands", + .usage = "", + .chain = virtex2_exec_command_handlers, + }, + COMMAND_REGISTRATION_DONE +}; + +struct pld_driver virtex2_pld = { + .name = "virtex2", + .commands = virtex2_command_handler, + .pld_device_command = &virtex2_pld_device_command, + .load = &virtex2_load, +};