diff options
Diffstat (limited to 'src/pld/lattice.c')
| -rw-r--r-- | src/pld/lattice.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/pld/lattice.c b/src/pld/lattice.c index 0cd08dd..4085ec1 100644 --- a/src/pld/lattice.c +++ b/src/pld/lattice.c @@ -342,6 +342,64 @@ static int lattice_get_ipdbg_hub(int user_num, struct pld_device *pld_device, st return ERROR_OK; } +static int lattice_connect_spi_to_jtag(struct pld_device *pld_device) +{ + if (!pld_device) + return ERROR_FAIL; + + struct lattice_pld_device *pld_device_info = pld_device->driver_priv; + + int retval = lattice_check_device_family(pld_device_info); + if (retval != ERROR_OK) + return retval; + + if (pld_device_info->family == LATTICE_ECP2 || pld_device_info->family == LATTICE_ECP3) + return lattice_ecp2_3_connect_spi_to_jtag(pld_device_info); + + return ERROR_FAIL; +} + +static int lattice_disconnect_spi_from_jtag(struct pld_device *pld_device) +{ + if (!pld_device) + return ERROR_FAIL; + + struct lattice_pld_device *pld_device_info = pld_device->driver_priv; + + int retval = lattice_check_device_family(pld_device_info); + if (retval != ERROR_OK) + return retval; + + if (pld_device_info->family == LATTICE_ECP2 || pld_device_info->family == LATTICE_ECP3) + return lattice_ecp2_3_disconnect_spi_from_jtag(pld_device_info); + + return ERROR_FAIL; +} + +static int lattice_get_stuff_bits(struct pld_device *pld_device, unsigned int *facing_read_bits, + unsigned int *trailing_write_bits) +{ + if (!pld_device) + return ERROR_FAIL; + + struct lattice_pld_device *pld_device_info = pld_device->driver_priv; + + int retval = lattice_check_device_family(pld_device_info); + if (retval != ERROR_OK) + return retval; + + if (pld_device_info->family == LATTICE_ECP2 || pld_device_info->family == LATTICE_ECP3) + return lattice_ecp2_3_get_facing_read_bits(pld_device_info, facing_read_bits); + + return ERROR_FAIL; +} + +static int lattice_has_jtagspi_instruction(struct pld_device *device, bool *has_instruction) +{ + *has_instruction = true; + return ERROR_OK; +} + PLD_CREATE_COMMAND_HANDLER(lattice_pld_create_command) { if (CMD_ARGC != 4 && CMD_ARGC != 6) @@ -551,4 +609,8 @@ struct pld_driver lattice_pld = { .pld_create_command = &lattice_pld_create_command, .load = &lattice_load_command, .get_ipdbg_hub = lattice_get_ipdbg_hub, + .has_jtagspi_instruction = lattice_has_jtagspi_instruction, + .connect_spi_to_jtag = lattice_connect_spi_to_jtag, + .disconnect_spi_from_jtag = lattice_disconnect_spi_from_jtag, + .get_stuff_bits = lattice_get_stuff_bits, }; |