eud.c File Reference

Include dependency graph for eud.c:

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Data Structures
struct	eud_device
struct	eud_swd_transfer

Macros
#define	EUD_CTL_ACC_TDO_SEL   BIT(17)
#define	EUD_CTL_CMD_CTLOUT_CLR   8
#define	EUD_CTL_CMD_CTLOUT_SET   7
#define	EUD_CTL_DAP_MUX_SEL   BIT(10)
#define	EUD_CTL_DAP_SWDO_SEL   BIT(20)
#define	EUD_CTL_DAP_TDO_SEL   BIT(18)
#define	EUD_CTL_GPIO_JTAG_SEL   BIT(7)
#define	EUD_CTL_JTAG_PERIPH_EN   BIT(4)
#define	EUD_CTL_MTAP_TDO_SEL   BIT(19)
#define	EUD_CTL_PID   0x9501
#define	EUD_CTL_RCTLR_SRST_N   BIT(0)
#define	EUD_CTL_SWD_ON_CLEAR
#define	EUD_CTL_SWD_ON_SET
#define	EUD_CTL_SWD_PERIPH_EN   BIT(2)
#define	EUD_CTL_VDDMIN_TCK_EN   BIT(6)
#define	EUD_EP_IN   0x81
#define	EUD_EP_OUT   0x02
#define	EUD_INTERFACE   0
#define	EUD_SWD_BB_DAP_TRST_N   BIT(6)
#define	EUD_SWD_BB_GPIO_SRST_N   BIT(4)
#define	EUD_SWD_BB_GPIO_TRST_N   BIT(5)
#define	EUD_SWD_BB_RCTLR_SRST_N   BIT(2)
#define	EUD_SWD_BB_RESET_DEFAULT
#define	EUD_SWD_BUFFER_SIZE   32
#define	EUD_SWD_CMD_BITBANG   4
#define	EUD_SWD_CMD_DELAY   3
#define	EUD_SWD_CMD_DITMS   5
#define	EUD_SWD_CMD_FLUSH   1
#define	EUD_SWD_CMD_FREQ   2
#define	EUD_SWD_CMD_PERIPH_RST   8
#define	EUD_SWD_CMD_STATUS   7
#define	EUD_SWD_CMD_TIMING   6
#define	EUD_SWD_DITMS_MAX_BITS   (FIELD_GET(SWD_CMD_DITMS_COUNT, SWD_CMD_DITMS_COUNT) + 1)
#define	EUD_SWD_PID   0x9504
#define	EUD_SWD_QUEUE_TRAILER_SIZE   2
#define	EUD_SWD_STATUS_SIZE   4
#define	EUD_USB_TIMEOUT_MS   6000
#define	EUD_VID   0x05c6
#define	SWD_CMD_DELAY_RESERVED   GENMASK(31, 8)
#define	SWD_CMD_DELAY_TIME   GENMASK(7, 0)
#define	SWD_CMD_DITMS_COUNT   GENMASK(31, 16)
#define	SWD_CMD_DITMS_DATA   GENMASK(15, 0)
#define	SWD_CMD_DITMS_DATA_BITS   16
#define	SWD_CMD_STATUS_ACK   GENMASK(2, 0)
#define	SWD_CMD_STATUS_CMD_CNTR   GENMASK(31, 16)
#define	SWD_CMD_STATUS_PARITY_ERR   BIT(4)
#define	SWD_CMD_STATUS_WAIT_TIMEOUT   BIT(3)
#define	SWD_CMD_TIMING_RESERVED   GENMASK(31, 19)
#define	SWD_CMD_TIMING_RETRY_COUNT   GENMASK(15, 0)
#define	SWD_CMD_TIMING_TURNAROUND_TIME   GENMASK(17, 16)
#define	SWD_CMD_TIMING_WAIT_35_IF_ERR   BIT(18)

Functions
static int	eud_bulk_read (struct eud_device *dev, uint8_t *buf, int len)
static int	eud_bulk_write (struct eud_device *dev, const uint8_t *buf, int len)
static void	eud_close (struct eud_device *dev)
static int	eud_ctl_enable_swd (void)
static int	eud_ditms_sequence (const uint8_t *seq, unsigned int bit_len)
static int	eud_ditms_u16 (uint16_t tms, uint16_t count)
static int	eud_init (void)
static int	eud_khz (int khz, int *jtag_speed)
static int	eud_libusb_reinit (void)
static int	eud_op (struct eud_device *dev, uint8_t opcode, uint32_t payload)
static int	eud_op_no_payload (struct eud_device *dev, uint8_t opcode)
static int	eud_open (uint16_t pid, struct eud_device *dev)
static int	eud_open_inner (uint16_t pid, struct eud_device *dev, bool quiet)
static int	eud_open_swd_after_enable (void)
static int	eud_quit (void)
static int	eud_reopen_swd (void)
static int	eud_reset (int trst, int srst)
static int	eud_speed (int speed)
static int	eud_speed_div (int speed, int *khz)
static int	eud_swd_bitbang (uint32_t payload)
static int	eud_swd_flush_queue (void)
static int	eud_swd_init (void)
static int	eud_swd_init_defaults (void)
static int	eud_swd_prepare (void)
static int	eud_swd_queue_transfer (uint8_t cmd, uint32_t value, uint32_t *read_value, uint32_t ap_delay_clk)
static int	eud_swd_read_reg (uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
static int	eud_swd_run_queue (void)
static int	eud_swd_set_speed_index (int speed_index)
static int	eud_swd_switch_seq (enum swd_special_seq seq)
static unsigned int	eud_swd_transfer_in_size (const struct eud_swd_transfer *transfer)
static unsigned int	eud_swd_transfer_out_size (const struct eud_swd_transfer *transfer)
static int	eud_swd_write_reg (uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)

Variables
struct adapter_driver	eud_adapter_driver
static struct eud_device	eud_ctl
static libusb_context *	eud_libusb_ctx
static struct eud_swd_transfer	eud_queue [EUD_SWD_BUFFER_SIZE]
static unsigned int	eud_queue_in_len
static unsigned int	eud_queue_len
static unsigned int	eud_queue_out_len
static int	eud_speed_index = 0xa
static const unsigned int	eud_speed_khz []
static struct eud_device	eud_swd
static const struct swd_driver	eud_swd_driver

Macro Definition Documentation

EUD_CTL_ACC_TDO_SEL

#define EUD_CTL_ACC_TDO_SEL   BIT(17)

Definition at line 55 of file eud.c.

EUD_CTL_CMD_CTLOUT_CLR

#define EUD_CTL_CMD_CTLOUT_CLR   8

Definition at line 47 of file eud.c.

EUD_CTL_CMD_CTLOUT_SET

#define EUD_CTL_CMD_CTLOUT_SET   7

Definition at line 46 of file eud.c.

EUD_CTL_DAP_MUX_SEL

#define EUD_CTL_DAP_MUX_SEL   BIT(10)

Definition at line 54 of file eud.c.

EUD_CTL_DAP_SWDO_SEL

#define EUD_CTL_DAP_SWDO_SEL   BIT(20)

Definition at line 58 of file eud.c.

EUD_CTL_DAP_TDO_SEL

#define EUD_CTL_DAP_TDO_SEL   BIT(18)

Definition at line 56 of file eud.c.

EUD_CTL_GPIO_JTAG_SEL

#define EUD_CTL_GPIO_JTAG_SEL   BIT(7)

Definition at line 53 of file eud.c.

EUD_CTL_JTAG_PERIPH_EN

#define EUD_CTL_JTAG_PERIPH_EN   BIT(4)

Definition at line 51 of file eud.c.

EUD_CTL_MTAP_TDO_SEL

#define EUD_CTL_MTAP_TDO_SEL   BIT(19)

Definition at line 57 of file eud.c.

EUD_CTL_PID

#define EUD_CTL_PID   0x9501

Definition at line 24 of file eud.c.

EUD_CTL_RCTLR_SRST_N

#define EUD_CTL_RCTLR_SRST_N   BIT(0)

Definition at line 49 of file eud.c.

EUD_CTL_SWD_ON_CLEAR

#define EUD_CTL_SWD_ON_CLEAR

Value:

                                     (EUD_CTL_JTAG_PERIPH_EN | \
                                     EUD_CTL_GPIO_JTAG_SEL | \
                                     EUD_CTL_ACC_TDO_SEL | \
                                     EUD_CTL_DAP_TDO_SEL | \
                                     EUD_CTL_MTAP_TDO_SEL)

Definition at line 60 of file eud.c.

EUD_CTL_SWD_ON_SET

#define EUD_CTL_SWD_ON_SET

Value:

                                     (EUD_CTL_RCTLR_SRST_N | \
                                     EUD_CTL_SWD_PERIPH_EN | \
                                     EUD_CTL_VDDMIN_TCK_EN | \
                                     EUD_CTL_DAP_MUX_SEL | \
                                     EUD_CTL_DAP_SWDO_SEL)

Definition at line 65 of file eud.c.

EUD_CTL_SWD_PERIPH_EN

#define EUD_CTL_SWD_PERIPH_EN   BIT(2)

Definition at line 50 of file eud.c.

EUD_CTL_VDDMIN_TCK_EN

#define EUD_CTL_VDDMIN_TCK_EN   BIT(6)

Definition at line 52 of file eud.c.

EUD_EP_IN

#define EUD_EP_IN   0x81

Definition at line 28 of file eud.c.

EUD_EP_OUT

#define EUD_EP_OUT   0x02

Definition at line 27 of file eud.c.

EUD_INTERFACE

#define EUD_INTERFACE   0

Definition at line 26 of file eud.c.

EUD_SWD_BB_DAP_TRST_N

#define EUD_SWD_BB_DAP_TRST_N   BIT(6)

Definition at line 73 of file eud.c.

EUD_SWD_BB_GPIO_SRST_N

#define EUD_SWD_BB_GPIO_SRST_N   BIT(4)

Definition at line 71 of file eud.c.

EUD_SWD_BB_GPIO_TRST_N

#define EUD_SWD_BB_GPIO_TRST_N   BIT(5)

Definition at line 72 of file eud.c.

EUD_SWD_BB_RCTLR_SRST_N

#define EUD_SWD_BB_RCTLR_SRST_N   BIT(2)

Definition at line 70 of file eud.c.

EUD_SWD_BB_RESET_DEFAULT

#define EUD_SWD_BB_RESET_DEFAULT

Value:

                                     (EUD_SWD_BB_RCTLR_SRST_N | \
                                     EUD_SWD_BB_GPIO_SRST_N | \
                                     EUD_SWD_BB_GPIO_TRST_N | \
                                     EUD_SWD_BB_DAP_TRST_N)

Definition at line 74 of file eud.c.

EUD_SWD_BUFFER_SIZE

#define EUD_SWD_BUFFER_SIZE   32

Definition at line 37 of file eud.c.

EUD_SWD_CMD_BITBANG

#define EUD_SWD_CMD_BITBANG   4

Definition at line 85 of file eud.c.

EUD_SWD_CMD_DELAY

#define EUD_SWD_CMD_DELAY   3

Definition at line 81 of file eud.c.

EUD_SWD_CMD_DITMS

#define EUD_SWD_CMD_DITMS   5

Definition at line 86 of file eud.c.

EUD_SWD_CMD_FLUSH

#define EUD_SWD_CMD_FLUSH   1

Definition at line 79 of file eud.c.

EUD_SWD_CMD_FREQ

#define EUD_SWD_CMD_FREQ   2

Definition at line 80 of file eud.c.

EUD_SWD_CMD_PERIPH_RST

#define EUD_SWD_CMD_PERIPH_RST   8

Definition at line 114 of file eud.c.

EUD_SWD_CMD_STATUS

#define EUD_SWD_CMD_STATUS   7

Definition at line 101 of file eud.c.

EUD_SWD_CMD_TIMING

#define EUD_SWD_CMD_TIMING   6

Definition at line 91 of file eud.c.

EUD_SWD_DITMS_MAX_BITS

#define EUD_SWD_DITMS_MAX_BITS   (FIELD_GET(SWD_CMD_DITMS_COUNT, SWD_CMD_DITMS_COUNT) + 1)

Definition at line 90 of file eud.c.

EUD_SWD_PID

#define EUD_SWD_PID   0x9504

Definition at line 25 of file eud.c.

EUD_SWD_QUEUE_TRAILER_SIZE

#define EUD_SWD_QUEUE_TRAILER_SIZE   2

Definition at line 43 of file eud.c.

EUD_SWD_STATUS_SIZE

#define EUD_SWD_STATUS_SIZE   4

Definition at line 44 of file eud.c.

EUD_USB_TIMEOUT_MS

#define EUD_USB_TIMEOUT_MS   6000

Definition at line 29 of file eud.c.

EUD_VID

#define EUD_VID   0x05c6

Definition at line 23 of file eud.c.

SWD_CMD_DELAY_RESERVED

#define SWD_CMD_DELAY_RESERVED   GENMASK(31, 8)

Definition at line 84 of file eud.c.

SWD_CMD_DELAY_TIME

#define SWD_CMD_DELAY_TIME   GENMASK(7, 0)

Definition at line 83 of file eud.c.

SWD_CMD_DITMS_COUNT

#define SWD_CMD_DITMS_COUNT   GENMASK(31, 16)

Definition at line 89 of file eud.c.

SWD_CMD_DITMS_DATA

#define SWD_CMD_DITMS_DATA   GENMASK(15, 0)

Definition at line 87 of file eud.c.

SWD_CMD_DITMS_DATA_BITS

#define SWD_CMD_DITMS_DATA_BITS   16

Definition at line 88 of file eud.c.

SWD_CMD_STATUS_ACK

#define SWD_CMD_STATUS_ACK   GENMASK(2, 0)

Definition at line 105 of file eud.c.

SWD_CMD_STATUS_CMD_CNTR

#define SWD_CMD_STATUS_CMD_CNTR   GENMASK(31, 16)

Definition at line 113 of file eud.c.

SWD_CMD_STATUS_PARITY_ERR

#define SWD_CMD_STATUS_PARITY_ERR   BIT(4)

Definition at line 109 of file eud.c.

SWD_CMD_STATUS_WAIT_TIMEOUT

#define SWD_CMD_STATUS_WAIT_TIMEOUT   BIT(3)

Definition at line 107 of file eud.c.

SWD_CMD_TIMING_RESERVED

#define SWD_CMD_TIMING_RESERVED   GENMASK(31, 19)

Definition at line 100 of file eud.c.

SWD_CMD_TIMING_RETRY_COUNT

#define SWD_CMD_TIMING_RETRY_COUNT   GENMASK(15, 0)

Definition at line 94 of file eud.c.

SWD_CMD_TIMING_TURNAROUND_TIME

#define SWD_CMD_TIMING_TURNAROUND_TIME   GENMASK(17, 16)

Definition at line 96 of file eud.c.

SWD_CMD_TIMING_WAIT_35_IF_ERR

#define SWD_CMD_TIMING_WAIT_35_IF_ERR   BIT(18)

Definition at line 99 of file eud.c.

Function Documentation

eud_bulk_read()

static int eud_bulk_read ( struct eud_device *  dev, uint8_t *  buf, int  len  )

static

Definition at line 232 of file eud.c.

References ERROR_FAIL, ERROR_OK, EUD_EP_IN, EUD_USB_TIMEOUT_MS, eud_device::handle, jtag_libusb_error(), and LOG_ERROR.

Referenced by eud_swd_bitbang(), and eud_swd_flush_queue().

eud_bulk_write()

static int eud_bulk_write ( struct eud_device *  dev, const uint8_t *  buf, int  len  )

static

Definition at line 213 of file eud.c.

References ERROR_FAIL, ERROR_OK, EUD_EP_OUT, EUD_USB_TIMEOUT_MS, eud_device::handle, jtag_libusb_error(), LOG_DEBUG_IO, LOG_ERROR, and eud_device::pid.

Referenced by eud_op(), eud_op_no_payload(), eud_swd_bitbang(), and eud_swd_flush_queue().

eud_close()

static void eud_close ( struct eud_device *  dev )

static

Definition at line 158 of file eud.c.

References eud_device::claimed, EUD_INTERFACE, eud_device::handle, NULL, and eud_device::pid.

Referenced by eud_ctl_enable_swd(), eud_init(), eud_open_inner(), eud_quit(), and eud_reopen_swd().

eud_ctl_enable_swd()

static int eud_ctl_enable_swd ( void  )

static

Definition at line 265 of file eud.c.

References ERROR_OK, eud_close(), eud_ctl, EUD_CTL_CMD_CTLOUT_CLR, EUD_CTL_CMD_CTLOUT_SET, EUD_CTL_PID, EUD_CTL_SWD_ON_CLEAR, EUD_CTL_SWD_ON_SET, eud_op(), and eud_open().

Referenced by eud_open_swd_after_enable().

eud_ditms_sequence()

static int eud_ditms_sequence ( const uint8_t *  seq, unsigned int  bit_len  )

static

Definition at line 375 of file eud.c.

References buf_get_u32(), ERROR_OK, eud_ditms_u16(), EUD_SWD_DITMS_MAX_BITS, MIN, and SWD_CMD_DITMS_DATA_BITS.

Referenced by eud_swd_switch_seq().

eud_ditms_u16()

static int eud_ditms_u16 ( uint16_t  tms, uint16_t  count  )

static

Definition at line 360 of file eud.c.

References alive_sleep(), count, ERROR_OK, eud_op(), eud_swd, EUD_SWD_CMD_DITMS, FIELD_PREP, SWD_CMD_DITMS_COUNT, and SWD_CMD_DITMS_DATA.

Referenced by eud_ditms_sequence().

eud_init()

static int eud_init ( void  )

static

Definition at line 660 of file eud.c.

References ERROR_FAIL, ERROR_OK, eud_close(), eud_ctl, eud_libusb_ctx, eud_open_inner(), eud_open_swd_after_enable(), eud_queue_in_len, eud_queue_len, eud_queue_out_len, eud_reopen_swd(), eud_swd, EUD_SWD_PID, eud_swd_prepare(), LOG_ERROR, and NULL.

eud_khz()

static int eud_khz ( int  khz, int *  jtag_speed  )

static

Definition at line 740 of file eud.c.

References ARRAY_SIZE, ERROR_OK, and eud_speed_khz.

eud_libusb_reinit()

static int eud_libusb_reinit ( void  )

static

Definition at line 172 of file eud.c.

References ERROR_FAIL, ERROR_OK, eud_libusb_ctx, and LOG_ERROR.

Referenced by eud_open_swd_after_enable().

eud_op()

static int eud_op ( struct eud_device *  dev, uint8_t  opcode, uint32_t  payload  )

static

Definition at line 250 of file eud.c.

References eud_bulk_write(), and h_u32_to_le().

Referenced by eud_ctl_enable_swd(), eud_ditms_u16(), eud_swd_init_defaults(), and eud_swd_set_speed_index().

eud_op_no_payload()

static int eud_op_no_payload ( struct eud_device *  dev, uint8_t  opcode  )

static

Definition at line 260 of file eud.c.

References eud_bulk_write().

Referenced by eud_swd_init_defaults().

eud_open()

static int eud_open ( uint16_t  pid, struct eud_device *  dev  )

static

Definition at line 208 of file eud.c.

References eud_open_inner().

Referenced by eud_ctl_enable_swd().

eud_open_inner()

static int eud_open_inner ( uint16_t  pid, struct eud_device *  dev, bool  quiet  )

static

Definition at line 186 of file eud.c.

References eud_device::claimed, ERROR_FAIL, ERROR_OK, eud_close(), EUD_INTERFACE, eud_libusb_ctx, EUD_VID, eud_device::handle, jtag_libusb_error(), LOG_ERROR, and eud_device::pid.

Referenced by eud_init(), eud_open(), and eud_open_swd_after_enable().

eud_open_swd_after_enable()

static int eud_open_swd_after_enable ( void  )

static

Definition at line 282 of file eud.c.

References alive_sleep(), ERROR_FAIL, ERROR_OK, eud_ctl_enable_swd(), eud_libusb_reinit(), eud_open_inner(), eud_swd, EUD_SWD_PID, EUD_VID, and LOG_ERROR.

Referenced by eud_init(), and eud_reopen_swd().

eud_quit()

static int eud_quit ( void  )

static

Definition at line 700 of file eud.c.

References ERROR_OK, eud_close(), eud_ctl, eud_libusb_ctx, eud_swd, and NULL.

eud_reopen_swd()

static int eud_reopen_swd ( void  )

static

Definition at line 304 of file eud.c.

References eud_close(), eud_open_swd_after_enable(), and eud_swd.

Referenced by eud_init(), and eud_swd_init().

eud_reset()

static int eud_reset ( int  trst, int  srst  )

static

Definition at line 713 of file eud.c.

References EUD_SWD_BB_DAP_TRST_N, EUD_SWD_BB_GPIO_SRST_N, EUD_SWD_BB_RCTLR_SRST_N, EUD_SWD_BB_RESET_DEFAULT, eud_swd_bitbang(), and eud_swd_transfer::value.

eud_speed()

static int eud_speed ( int  speed )

static

Definition at line 725 of file eud.c.

References ARRAY_SIZE, ERROR_FAIL, ERROR_OK, eud_speed_index, eud_speed_khz, eud_swd, eud_swd_set_speed_index(), eud_device::handle, and LOG_ERROR.

eud_speed_div()

static int eud_speed_div ( int  speed, int *  khz  )

static

Definition at line 755 of file eud.c.

eud_swd_bitbang()

static int eud_swd_bitbang ( uint32_t  payload )

static

Definition at line 344 of file eud.c.

References ERROR_OK, eud_bulk_read(), eud_bulk_write(), eud_swd, EUD_SWD_CMD_BITBANG, EUD_SWD_CMD_FLUSH, and h_u32_to_le().

Referenced by eud_reset().

eud_swd_flush_queue()

static int eud_swd_flush_queue ( void  )

static

Definition at line 528 of file eud.c.

References eud_swd_transfer::ap_delay_clk, eud_swd_transfer::cmd, cmd, count, ERROR_OK, ERROR_SWD_FAIL, ERROR_WAIT, eud_bulk_read(), eud_bulk_write(), eud_queue, eud_queue_in_len, eud_queue_len, eud_queue_out_len, eud_swd, EUD_SWD_BUFFER_SIZE, EUD_SWD_CMD_DITMS, EUD_SWD_CMD_FLUSH, EUD_SWD_CMD_STATUS, EUD_SWD_STATUS_SIZE, FIELD_GET, FIELD_PREP, h_u32_to_le(), le_to_h_u32(), LOG_DEBUG, LOG_DEBUG_IO, LOG_ERROR, eud_swd_transfer::read_value, status, SWD_ACK_OK, swd_ack_to_error_code(), SWD_CMD_A32, SWD_CMD_APNDP, SWD_CMD_DITMS_COUNT, SWD_CMD_PARK, swd_cmd_returns_ack(), SWD_CMD_RNW, SWD_CMD_START, SWD_CMD_STATUS_ACK, SWD_CMD_STATUS_CMD_CNTR, SWD_CMD_STATUS_PARITY_ERR, SWD_CMD_STATUS_WAIT_TIMEOUT, SWD_CMD_STOP, and eud_swd_transfer::value.

Referenced by eud_swd_queue_transfer(), and eud_swd_run_queue().

eud_swd_init()

static int eud_swd_init ( void  )

static

Definition at line 440 of file eud.c.

References ERROR_OK, eud_reopen_swd(), eud_swd, eud_swd_prepare(), and eud_device::handle.

eud_swd_init_defaults()

static int eud_swd_init_defaults ( void  )

static

Definition at line 325 of file eud.c.

References ERROR_OK, eud_op(), eud_op_no_payload(), eud_speed_index, eud_swd, EUD_SWD_CMD_DELAY, EUD_SWD_CMD_PERIPH_RST, EUD_SWD_CMD_TIMING, eud_swd_set_speed_index(), FIELD_PREP, SWD_CMD_DELAY_TIME, and SWD_CMD_TIMING_RETRY_COUNT.

Referenced by eud_swd_prepare().

eud_swd_prepare()

static int eud_swd_prepare ( void  )

static

Definition at line 370 of file eud.c.

References eud_swd_init_defaults().

Referenced by eud_init(), and eud_swd_init().

eud_swd_queue_transfer()

static int eud_swd_queue_transfer ( uint8_t  cmd, uint32_t  value, uint32_t *  read_value, uint32_t  ap_delay_clk  )

static

Definition at line 473 of file eud.c.

References eud_swd_transfer::ap_delay_clk, eud_swd_transfer::cmd, cmd, ERROR_FAIL, ERROR_OK, eud_queue, eud_queue_in_len, eud_queue_len, eud_queue_out_len, EUD_SWD_BUFFER_SIZE, EUD_SWD_DITMS_MAX_BITS, eud_swd_flush_queue(), EUD_SWD_QUEUE_TRAILER_SIZE, EUD_SWD_STATUS_SIZE, eud_swd_transfer_in_size(), eud_swd_transfer_out_size(), LOG_ERROR, eud_swd_transfer::read_value, swd_cmd_returns_ack(), and eud_swd_transfer::value.

Referenced by eud_swd_read_reg(), and eud_swd_write_reg().

eud_swd_read_reg()

static int eud_swd_read_reg ( uint8_t  cmd, uint32_t *  value, uint32_t  ap_delay_clk  )

static

Definition at line 516 of file eud.c.

References eud_swd_transfer::ap_delay_clk, cmd, eud_swd_queue_transfer(), SWD_CMD_RNW, and eud_swd_transfer::value.

eud_swd_run_queue()

static int eud_swd_run_queue ( void  )

static

Definition at line 652 of file eud.c.

References ERROR_OK, eud_queue_len, and eud_swd_flush_queue().

eud_swd_set_speed_index()

static int eud_swd_set_speed_index ( int  speed_index )

static

Definition at line 310 of file eud.c.

References ARRAY_SIZE, ERROR_FAIL, ERROR_OK, eud_op(), eud_speed_index, eud_speed_khz, eud_swd, EUD_SWD_CMD_FREQ, and LOG_ERROR.

Referenced by eud_speed(), and eud_swd_init_defaults().

eud_swd_switch_seq()

static int eud_swd_switch_seq ( enum swd_special_seq  seq )

static

Definition at line 410 of file eud.c.

References DORMANT_TO_JTAG, DORMANT_TO_SWD, ERROR_FAIL, ERROR_OK, eud_ditms_sequence(), JTAG_TO_DORMANT, JTAG_TO_SWD, LINE_RESET, LOG_DEBUG, LOG_ERROR, swd_seq_dormant_to_jtag, swd_seq_dormant_to_jtag_len, swd_seq_dormant_to_swd, swd_seq_dormant_to_swd_len, swd_seq_jtag_to_dormant, swd_seq_jtag_to_dormant_len, swd_seq_jtag_to_swd, swd_seq_jtag_to_swd_len, swd_seq_line_reset, swd_seq_line_reset_len, swd_seq_swd_to_dormant, swd_seq_swd_to_dormant_len, SWD_TO_DORMANT, and SWD_TO_JTAG.

eud_swd_transfer_in_size()

static unsigned int eud_swd_transfer_in_size ( const struct eud_swd_transfer *  transfer )

static

Definition at line 468 of file eud.c.

References eud_swd_transfer::cmd, and SWD_CMD_RNW.

Referenced by eud_swd_queue_transfer().

eud_swd_transfer_out_size()

static unsigned int eud_swd_transfer_out_size ( const struct eud_swd_transfer *  transfer )

static

Definition at line 458 of file eud.c.

References eud_swd_transfer::ap_delay_clk, eud_swd_transfer::cmd, size, and SWD_CMD_RNW.

Referenced by eud_swd_queue_transfer().

eud_swd_write_reg()

static int eud_swd_write_reg ( uint8_t  cmd, uint32_t  value, uint32_t  ap_delay_clk  )

static

Definition at line 522 of file eud.c.

References eud_swd_transfer::ap_delay_clk, cmd, eud_swd_queue_transfer(), NULL, SWD_CMD_RNW, and eud_swd_transfer::value.

Variable Documentation

eud_adapter_driver

struct adapter_driver eud_adapter_driver

Initial value:

= {
    .name = "eud",
    .transport_ids = TRANSPORT_SWD,
    .transport_preferred_id = TRANSPORT_SWD,
 
    .init = eud_init,
    .quit = eud_quit,
    .reset = eud_reset,
    .speed = eud_speed,
    .khz = eud_khz,
    .speed_div = eud_speed_div,
 
    .swd_ops = &eud_swd_driver,
}

Definition at line 755 of file eud.c.

eud_ctl

struct eud_device eud_ctl

static

Definition at line 129 of file eud.c.

Referenced by eud_ctl_enable_swd(), eud_init(), and eud_quit().

eud_libusb_ctx

libusb_context* eud_libusb_ctx

static

Definition at line 129 of file eud.c.

Referenced by eud_init(), eud_libusb_reinit(), eud_open_inner(), and eud_quit().

eud_queue

struct eud_swd_transfer eud_queue[EUD_SWD_BUFFER_SIZE]

static

Definition at line 129 of file eud.c.

Referenced by eud_swd_flush_queue(), and eud_swd_queue_transfer().

eud_queue_in_len

unsigned int eud_queue_in_len

static

Definition at line 139 of file eud.c.

Referenced by eud_init(), eud_swd_flush_queue(), and eud_swd_queue_transfer().

eud_queue_len

unsigned int eud_queue_len

static

Definition at line 137 of file eud.c.

Referenced by eud_init(), eud_swd_flush_queue(), eud_swd_queue_transfer(), and eud_swd_run_queue().

eud_queue_out_len

unsigned int eud_queue_out_len

static

Definition at line 138 of file eud.c.

Referenced by eud_init(), eud_swd_flush_queue(), and eud_swd_queue_transfer().

eud_speed_index

int eud_speed_index = 0xa

static

Definition at line 140 of file eud.c.

Referenced by eud_speed(), eud_swd_init_defaults(), and eud_swd_set_speed_index().

eud_speed_khz

const unsigned int eud_speed_khz[]

static

Initial value:

= {
    120000,
    80000,
    60000,
    40000,
    30000,
    15000,
    7500,
    3750,
    1875,
    938,
    469,
    234,
    117,
}

Definition at line 142 of file eud.c.

Referenced by eud_khz(), eud_speed(), and eud_swd_set_speed_index().

eud_swd

struct eud_device eud_swd

static

Definition at line 129 of file eud.c.

Referenced by eud_ditms_u16(), eud_init(), eud_open_swd_after_enable(), eud_quit(), eud_reopen_swd(), eud_speed(), eud_swd_bitbang(), eud_swd_flush_queue(), eud_swd_init(), eud_swd_init_defaults(), and eud_swd_set_speed_index().

eud_swd_driver

const struct swd_driver eud_swd_driver

static

Initial value:

= {
    .init = eud_swd_init,
    .switch_seq = eud_swd_switch_seq,
    .read_reg = eud_swd_read_reg,
    .write_reg = eud_swd_write_reg,
    .run = eud_swd_run_queue,
}

Definition at line 755 of file eud.c.