ecp5.c File Reference

Include dependency graph for ecp5.c:

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Macros
#define	ISC_PROGRAM_USERCODE   0xC2
#define	REGISTER_ALL_BITS_1   0xffffffff
#define	STATUS_BUSY_FLAG   0x00001000
#define	STATUS_DONE_BIT   0x00000100
#define	STATUS_ERROR_BITS   0x00020040
#define	STATUS_FAIL_FLAG   0x00002000
#define	STATUS_FEA_OTP   0x00004000

Functions
int	lattice_ecp5_connect_spi_to_jtag (struct lattice_pld_device *pld_device_info)
int	lattice_ecp5_disconnect_spi_from_jtag (struct lattice_pld_device *pld_device_info)
static int	lattice_ecp5_enable_sram_programming (struct jtag_tap *tap)
static int	lattice_ecp5_erase_sram (struct jtag_tap *tap)
static int	lattice_ecp5_exit_programming_mode (struct jtag_tap *tap)
int	lattice_ecp5_get_facing_read_bits (struct lattice_pld_device *pld_device_info, unsigned int *facing_read_bits)
static int	lattice_ecp5_init_address (struct jtag_tap *tap)
int	lattice_ecp5_load (struct lattice_pld_device *lattice_device, struct lattice_bit_file *bit_file)
static int	lattice_ecp5_program_config_map (struct jtag_tap *tap, struct lattice_bit_file *bit_file)
int	lattice_ecp5_read_status (struct jtag_tap *tap, uint32_t *status, uint32_t out, bool do_idle)
int	lattice_ecp5_read_usercode (struct jtag_tap *tap, uint32_t *usercode, uint32_t out)
int	lattice_ecp5_refresh (struct lattice_pld_device *lattice_device)
int	lattice_ecp5_write_usercode (struct lattice_pld_device *lattice_device, uint32_t usercode)

Macro Definition Documentation

ISC_PROGRAM_USERCODE

#define ISC_PROGRAM_USERCODE   0xC2

Definition at line 16 of file ecp5.c.

REGISTER_ALL_BITS_1

#define REGISTER_ALL_BITS_1   0xffffffff

Definition at line 23 of file ecp5.c.

STATUS_BUSY_FLAG

#define STATUS_BUSY_FLAG   0x00001000

Definition at line 22 of file ecp5.c.

STATUS_DONE_BIT

#define STATUS_DONE_BIT   0x00000100

Definition at line 18 of file ecp5.c.

STATUS_ERROR_BITS

#define STATUS_ERROR_BITS   0x00020040

Definition at line 19 of file ecp5.c.

STATUS_FAIL_FLAG

#define STATUS_FAIL_FLAG   0x00002000

Definition at line 21 of file ecp5.c.

STATUS_FEA_OTP

#define STATUS_FEA_OTP   0x00004000

Definition at line 20 of file ecp5.c.

Function Documentation

lattice_ecp5_connect_spi_to_jtag()

int lattice_ecp5_connect_spi_to_jtag

(

struct lattice_pld_device *

pld_device_info

)

Definition at line 209 of file ecp5.c.

References buf_get_u32(), buffer, jtag_tap::cur_instr, ERROR_FAIL, ERROR_OK, scan_field::in_value, jtag_tap::ir_length, jtag_add_dr_scan(), jtag_execute_queue(), lattice_ecp5_enable_sram_programming(), lattice_ecp5_erase_sram(), lattice_ecp5_exit_programming_mode(), lattice_preload(), lattice_set_instr(), NULL, scan_field::num_bits, scan_field::out_value, PROGRAM_SPI, lattice_pld_device::tap, and TAP_IDLE.

Referenced by lattice_connect_spi_to_jtag().

lattice_ecp5_disconnect_spi_from_jtag()

int lattice_ecp5_disconnect_spi_from_jtag

(

struct lattice_pld_device *

pld_device_info

)

Definition at line 253 of file ecp5.c.

References ERROR_FAIL, jtag_add_runtest(), jtag_execute_queue(), lattice_pld_device::tap, and TAP_IDLE.

Referenced by lattice_disconnect_spi_from_jtag().

lattice_ecp5_enable_sram_programming()

static int lattice_ecp5_enable_sram_programming ( struct jtag_tap *  tap )

static

Definition at line 73 of file ecp5.c.

References buffer, ERROR_OK, scan_field::in_value, ISC_ENABLE, jtag_add_dr_scan(), jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), NULL, scan_field::num_bits, scan_field::out_value, and TAP_IDLE.

Referenced by lattice_ecp5_connect_spi_to_jtag(), and lattice_ecp5_load().

lattice_ecp5_erase_sram()

static int lattice_ecp5_erase_sram ( struct jtag_tap *  tap )

static

Definition at line 91 of file ecp5.c.

References buffer, ERROR_OK, scan_field::in_value, ISC_ERASE, jtag_add_dr_scan(), jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), NULL, scan_field::num_bits, scan_field::out_value, TAP_IDLE, and TAP_IRPAUSE.

Referenced by lattice_ecp5_connect_spi_to_jtag(), and lattice_ecp5_load().

lattice_ecp5_exit_programming_mode()

static int lattice_ecp5_exit_programming_mode ( struct jtag_tap *  tap )

static

Definition at line 147 of file ecp5.c.

References BYPASS, ERROR_OK, ISC_DISABLE, jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), and TAP_IDLE.

Referenced by lattice_ecp5_connect_spi_to_jtag(), and lattice_ecp5_load().

lattice_ecp5_get_facing_read_bits()

int lattice_ecp5_get_facing_read_bits	(	struct lattice_pld_device *	pld_device_info,
		unsigned int *	facing_read_bits
	)

Definition at line 270 of file ecp5.c.

References ERROR_FAIL, and ERROR_OK.

Referenced by lattice_get_stuff_bits().

lattice_ecp5_init_address()

static int lattice_ecp5_init_address ( struct jtag_tap *  tap )

static

Definition at line 108 of file ecp5.c.

References buffer, ERROR_OK, scan_field::in_value, jtag_add_dr_scan(), jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), LSC_INIT_ADDRESS, NULL, scan_field::num_bits, scan_field::out_value, and TAP_IDLE.

Referenced by lattice_ecp5_load().

lattice_ecp5_load()

int lattice_ecp5_load	(	struct lattice_pld_device *	lattice_device,
		struct lattice_bit_file *	bit_file
	)

Definition at line 162 of file ecp5.c.

References ERROR_FAIL, ERROR_OK, lattice_ecp5_enable_sram_programming(), lattice_ecp5_erase_sram(), lattice_ecp5_exit_programming_mode(), lattice_ecp5_init_address(), lattice_ecp5_program_config_map(), lattice_preload(), lattice_verify_status_register_u32(), STATUS_BUSY_FLAG, STATUS_DONE_BIT, STATUS_ERROR_BITS, STATUS_FAIL_FLAG, STATUS_FEA_OTP, and lattice_pld_device::tap.

Referenced by lattice_load_command().

lattice_ecp5_program_config_map()

static int lattice_ecp5_program_config_map ( struct jtag_tap *  tap, struct lattice_bit_file *  bit_file  )

static

Definition at line 125 of file ecp5.c.

References BYPASS, raw_bit_file::data, ERROR_OK, scan_field::in_value, jtag_add_dr_scan(), jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), raw_bit_file::length, LSC_BITSTREAM_BURST, NULL, scan_field::num_bits, lattice_bit_file::offset, scan_field::out_value, lattice_bit_file::raw_bit, and TAP_IDLE.

Referenced by lattice_ecp5_load().

lattice_ecp5_read_status()

int lattice_ecp5_read_status	(	struct jtag_tap *	tap,
		uint32_t *	status,
		uint32_t	out,
		bool	do_idle
	)

Definition at line 25 of file ecp5.c.

References lattice_read_u32_register(), LSC_READ_STATUS, and status.

Referenced by lattice_read_status_u32().

lattice_ecp5_read_usercode()

int lattice_ecp5_read_usercode	(	struct jtag_tap *	tap,
		uint32_t *	usercode,
		uint32_t	out
	)

Definition at line 30 of file ecp5.c.

References lattice_read_u32_register(), and READ_USERCODE.

Referenced by lattice_read_usercode().

lattice_ecp5_refresh()

int lattice_ecp5_refresh

(

struct lattice_pld_device *

lattice_device

)

Definition at line 280 of file ecp5.c.

References BYPASS, ERROR_FAIL, ERROR_OK, jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_preload(), lattice_set_instr(), LSC_REFRESH, lattice_pld_device::tap, and TAP_IDLE.

Referenced by COMMAND_HANDLER().

lattice_ecp5_write_usercode()

int lattice_ecp5_write_usercode	(	struct lattice_pld_device *	lattice_device,
		uint32_t	usercode
	)

Definition at line 35 of file ecp5.c.

References buffer, ERROR_FAIL, ERROR_OK, h_u32_to_le(), scan_field::in_value, ISC_DISABLE, ISC_ENABLE, ISC_PROGRAM_USERCODE, jtag_add_dr_scan(), jtag_add_runtest(), jtag_add_sleep(), jtag_execute_queue(), lattice_set_instr(), lattice_verify_usercode(), NULL, scan_field::num_bits, scan_field::out_value, REGISTER_ALL_BITS_1, lattice_pld_device::tap, and TAP_IDLE.

Referenced by lattice_write_usercode().