xlnx-pcie-xvc.c File Reference

Include dependency graph for xlnx-pcie-xvc.c:

Go to the source code of this file.

Data Structures
struct	xlnx_pcie_xvc

Macros
#define	MASK_ACK(x)   (((x) >> 9) & 0x7)
#define	MASK_PAR(x)   ((int)((x) & 0x1))
#define	PCI_CFG_SPACE_EXP_SIZE   4096
#define	PCIE_EXT_CAP_LST   0x100
#define	XLNX_XVC_CAP_SIZE   0x20
#define	XLNX_XVC_EXT_CAP   0x00
#define	XLNX_XVC_LEN_REG   0x0C
#define	XLNX_XVC_MAX_BITS   0x20
#define	XLNX_XVC_TDX_REG   0x14
#define	XLNX_XVC_TMS_REG   0x10
#define	XLNX_XVC_VSEC_HDR   0x04
#define	XLNX_XVC_VSEC_ID   0x8

Functions
	COMMAND_HANDLER (xlnx_pcie_xvc_handle_config_command)
static void	swd_clear_sticky_errors (void)
static int	xlnx_pcie_xvc_execute_command (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_pathmove (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_queue (void)
static void	xlnx_pcie_xvc_execute_reset (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_runtest (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_scan (struct jtag_command *cmd)
static void	xlnx_pcie_xvc_execute_sleep (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_stableclocks (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_execute_statemove (size_t skip)
static int	xlnx_pcie_xvc_execute_tms (struct jtag_command *cmd)
static int	xlnx_pcie_xvc_init (void)
static int	xlnx_pcie_xvc_quit (void)
static int	xlnx_pcie_xvc_read_reg (const int offset, uint32_t *val)
static int	xlnx_pcie_xvc_swd_init (void)
static void	xlnx_pcie_xvc_swd_read_reg (uint8_t cmd, uint32_t *value, uint32_t ap_delay_clk)
static int	xlnx_pcie_xvc_swd_run_queue (void)
static int	xlnx_pcie_xvc_swd_sequence (const uint8_t *seq, size_t length)
static int	xlnx_pcie_xvc_swd_switch_seq (enum swd_special_seq seq)
static void	xlnx_pcie_xvc_swd_write_reg (uint8_t cmd, uint32_t value, uint32_t ap_delay_clk)
static int	xlnx_pcie_xvc_transact (size_t num_bits, uint32_t tms, uint32_t tdi, uint32_t *tdo)
static int	xlnx_pcie_xvc_write_reg (const int offset, const uint32_t val)

Variables
static int	queued_retval
static struct xlnx_pcie_xvc *	xlnx_pcie_xvc = &xlnx_pcie_xvc_state
struct adapter_driver	xlnx_pcie_xvc_adapter_driver
static const struct command_registration	xlnx_pcie_xvc_command_handlers []
static struct jtag_interface	xlnx_pcie_xvc_jtag_ops
static struct xlnx_pcie_xvc	xlnx_pcie_xvc_state
static const struct command_registration	xlnx_pcie_xvc_subcommand_handlers []
static const struct swd_driver	xlnx_pcie_xvc_swd_ops
static const char *const	xlnx_pcie_xvc_transports [] = { "jtag", "swd", NULL }

Macro Definition Documentation

MASK_ACK

#define MASK_ACK

(

x

)

(((x) >> 9) & 0x7)

Definition at line 41 of file xlnx-pcie-xvc.c.

MASK_PAR

#define MASK_PAR

(

x

)

((int)((x) & 0x1))

Definition at line 42 of file xlnx-pcie-xvc.c.

PCI_CFG_SPACE_EXP_SIZE

#define PCI_CFG_SPACE_EXP_SIZE   4096

Definition at line 26 of file xlnx-pcie-xvc.c.

PCIE_EXT_CAP_LST

#define PCIE_EXT_CAP_LST   0x100

Definition at line 29 of file xlnx-pcie-xvc.c.

XLNX_XVC_CAP_SIZE

#define XLNX_XVC_CAP_SIZE   0x20

Definition at line 37 of file xlnx-pcie-xvc.c.

XLNX_XVC_EXT_CAP

#define XLNX_XVC_EXT_CAP   0x00

Definition at line 31 of file xlnx-pcie-xvc.c.

XLNX_XVC_LEN_REG

#define XLNX_XVC_LEN_REG   0x0C

Definition at line 33 of file xlnx-pcie-xvc.c.

XLNX_XVC_MAX_BITS

#define XLNX_XVC_MAX_BITS   0x20

Definition at line 39 of file xlnx-pcie-xvc.c.

XLNX_XVC_TDX_REG

#define XLNX_XVC_TDX_REG   0x14

Definition at line 35 of file xlnx-pcie-xvc.c.

XLNX_XVC_TMS_REG

#define XLNX_XVC_TMS_REG   0x10

Definition at line 34 of file xlnx-pcie-xvc.c.

XLNX_XVC_VSEC_HDR

#define XLNX_XVC_VSEC_HDR   0x04

Definition at line 32 of file xlnx-pcie-xvc.c.

XLNX_XVC_VSEC_ID

#define XLNX_XVC_VSEC_ID   0x8

Definition at line 38 of file xlnx-pcie-xvc.c.

Function Documentation

COMMAND_HANDLER()

COMMAND_HANDLER

(

xlnx_pcie_xvc_handle_config_command

)

Definition at line 449 of file xlnx-pcie-xvc.c.

References CMD_ARGC, CMD_ARGV, xlnx_pcie_xvc::device, ERROR_COMMAND_SYNTAX_ERROR, and ERROR_OK.

swd_clear_sticky_errors()

static void swd_clear_sticky_errors ( void  )

static

Definition at line 538 of file xlnx-pcie-xvc.c.

References DP_ABORT, ORUNERRCLR, STKCMPCLR, STKERRCLR, swd_cmd(), WDERRCLR, and xlnx_pcie_xvc_swd_write_reg().

Referenced by xlnx_pcie_xvc_swd_read_reg(), and xlnx_pcie_xvc_swd_write_reg().

xlnx_pcie_xvc_execute_command()

static int xlnx_pcie_xvc_execute_command ( struct jtag_command *  cmd )

static

Definition at line 334 of file xlnx-pcie-xvc.c.

References cmd, ERROR_JTAG_QUEUE_FAILED, ERROR_OK, JTAG_PATHMOVE, JTAG_RESET, JTAG_RUNTEST, JTAG_SCAN, JTAG_SLEEP, JTAG_STABLECLOCKS, JTAG_TLR_RESET, JTAG_TMS, LOG_DEBUG, LOG_ERROR, tap_set_end_state(), xlnx_pcie_xvc_execute_pathmove(), xlnx_pcie_xvc_execute_reset(), xlnx_pcie_xvc_execute_runtest(), xlnx_pcie_xvc_execute_scan(), xlnx_pcie_xvc_execute_sleep(), xlnx_pcie_xvc_execute_stableclocks(), xlnx_pcie_xvc_execute_statemove(), and xlnx_pcie_xvc_execute_tms().

Referenced by xlnx_pcie_xvc_execute_queue().

xlnx_pcie_xvc_execute_pathmove()

static int xlnx_pcie_xvc_execute_pathmove ( struct jtag_command *  cmd )

static

Definition at line 201 of file xlnx-pcie-xvc.c.

References cmd, ERROR_JTAG_QUEUE_FAILED, ERROR_OK, LOG_DEBUG, LOG_ERROR, NULL, tap_get_state(), tap_set_end_state(), tap_set_state, tap_state_name(), tap_state_transition(), and xlnx_pcie_xvc_transact().

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_queue()

static int xlnx_pcie_xvc_execute_queue ( void  )

static

Definition at line 365 of file xlnx-pcie-xvc.c.

References cmd, ERROR_OK, jtag_command_queue, and xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_reset()

static void xlnx_pcie_xvc_execute_reset ( struct jtag_command *  cmd )

static

Definition at line 298 of file xlnx-pcie-xvc.c.

References cmd, and LOG_DEBUG.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_runtest()

static int xlnx_pcie_xvc_execute_runtest ( struct jtag_command *  cmd )

static

Definition at line 166 of file xlnx-pcie-xvc.c.

References cmd, ERROR_OK, LOG_DEBUG, MIN, NULL, tap_get_end_state(), tap_get_state(), TAP_IDLE, tap_set_end_state(), xlnx_pcie_xvc_execute_statemove(), xlnx_pcie_xvc_transact(), and XLNX_XVC_MAX_BITS.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_scan()

static int xlnx_pcie_xvc_execute_scan ( struct jtag_command *  cmd )

static

Definition at line 233 of file xlnx-pcie-xvc.c.

References BIT, buf_get_u32(), buf_set_u32(), cmd, ERROR_OK, jtag_build_buffer(), jtag_read_buffer(), jtag_scan_type(), LOG_DEBUG, MIN, NULL, SCAN_IN, SCAN_OUT, TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRSHIFT, tap_set_end_state(), tap_state_name(), type, xlnx_pcie_xvc_execute_statemove(), xlnx_pcie_xvc_transact(), and XLNX_XVC_MAX_BITS.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_sleep()

static void xlnx_pcie_xvc_execute_sleep ( struct jtag_command *  cmd )

static

Definition at line 304 of file xlnx-pcie-xvc.c.

References cmd, and LOG_DEBUG.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_stableclocks()

static int xlnx_pcie_xvc_execute_stableclocks ( struct jtag_command *  cmd )

static

Definition at line 124 of file xlnx-pcie-xvc.c.

References cmd, ERROR_OK, LOG_DEBUG, MIN, NULL, tap_get_state(), TAP_RESET, xlnx_pcie_xvc_transact(), and XLNX_XVC_MAX_BITS.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_execute_statemove()

static int xlnx_pcie_xvc_execute_statemove ( size_t  skip )

static

Definition at line 144 of file xlnx-pcie-xvc.c.

References ERROR_OK, LOG_DEBUG, NULL, tap_get_end_state(), tap_get_state(), tap_get_tms_path(), tap_get_tms_path_len(), tap_set_state, tap_state_name(), and xlnx_pcie_xvc_transact().

Referenced by xlnx_pcie_xvc_execute_command(), xlnx_pcie_xvc_execute_runtest(), and xlnx_pcie_xvc_execute_scan().

xlnx_pcie_xvc_execute_tms()

static int xlnx_pcie_xvc_execute_tms ( struct jtag_command *  cmd )

static

Definition at line 310 of file xlnx-pcie-xvc.c.

References bits, buf_get_u32(), cmd, ERROR_OK, LOG_DEBUG, MIN, NULL, xlnx_pcie_xvc_transact(), and XLNX_XVC_MAX_BITS.

Referenced by xlnx_pcie_xvc_execute_command().

xlnx_pcie_xvc_init()

static int xlnx_pcie_xvc_init ( void  )

static

Definition at line 383 of file xlnx-pcie-xvc.c.

References xlnx_pcie_xvc::device, ERROR_JTAG_INIT_FAILED, ERROR_OK, xlnx_pcie_xvc::fd, LOG_DEBUG, LOG_ERROR, LOG_INFO, xlnx_pcie_xvc::offset, PCI_CFG_SPACE_EXP_SIZE, PCIE_EXT_CAP_LST, xlnx_pcie_xvc_read_reg(), XLNX_XVC_CAP_SIZE, XLNX_XVC_EXT_CAP, XLNX_XVC_VSEC_HDR, and XLNX_XVC_VSEC_ID.

xlnx_pcie_xvc_quit()

static int xlnx_pcie_xvc_quit ( void  )

static

Definition at line 438 of file xlnx-pcie-xvc.c.

References ERROR_OK, and xlnx_pcie_xvc::fd.

xlnx_pcie_xvc_read_reg()

static int xlnx_pcie_xvc_read_reg ( const int  offset, uint32_t *  val  )

static

Definition at line 53 of file xlnx-pcie-xvc.c.

References ERROR_JTAG_DEVICE_ERROR, ERROR_OK, xlnx_pcie_xvc::fd, LOG_ERROR, offset, and xlnx_pcie_xvc::offset.

Referenced by xlnx_pcie_xvc_init(), and xlnx_pcie_xvc_transact().

xlnx_pcie_xvc_swd_init()

static int xlnx_pcie_xvc_swd_init ( void  )

static

Definition at line 681 of file xlnx-pcie-xvc.c.

References ERROR_OK.

xlnx_pcie_xvc_swd_read_reg()

static void xlnx_pcie_xvc_swd_read_reg ( uint8_t  cmd, uint32_t *  value, uint32_t  ap_delay_clk  )

static

Definition at line 544 of file xlnx-pcie-xvc.c.

References cmd, ERROR_FAIL, ERROR_OK, LOG_DEBUG, LOG_DEBUG_IO, MASK_ACK, MASK_PAR, NULL, parity_u32(), queued_retval, SWD_ACK_FAULT, SWD_ACK_OK, SWD_ACK_WAIT, swd_clear_sticky_errors(), SWD_CMD_A32, SWD_CMD_APNDP, SWD_CMD_PARK, SWD_CMD_RNW, SWD_CMD_START, and xlnx_pcie_xvc_transact().

xlnx_pcie_xvc_swd_run_queue()

static int xlnx_pcie_xvc_swd_run_queue ( void  )

static

Definition at line 665 of file xlnx-pcie-xvc.c.

References ERROR_OK, LOG_DEBUG, NULL, queued_retval, and xlnx_pcie_xvc_transact().

xlnx_pcie_xvc_swd_sequence()

static int xlnx_pcie_xvc_swd_sequence ( const uint8_t *  seq, size_t  length  )

static

Definition at line 490 of file xlnx-pcie-xvc.c.

References buf_get_u32(), ERROR_OK, length, MIN, NULL, xlnx_pcie_xvc_transact(), and XLNX_XVC_MAX_BITS.

Referenced by xlnx_pcie_xvc_swd_switch_seq().

xlnx_pcie_xvc_swd_switch_seq()

static int xlnx_pcie_xvc_swd_switch_seq ( enum swd_special_seq  seq )

static

Definition at line 510 of file xlnx-pcie-xvc.c.

References ERROR_FAIL, ERROR_OK, JTAG_TO_SWD, LINE_RESET, LOG_DEBUG, LOG_ERROR, swd_seq_jtag_to_swd, swd_seq_jtag_to_swd_len, swd_seq_line_reset, swd_seq_line_reset_len, swd_seq_swd_to_jtag, swd_seq_swd_to_jtag_len, SWD_TO_JTAG, and xlnx_pcie_xvc_swd_sequence().

xlnx_pcie_xvc_swd_write_reg()

static void xlnx_pcie_xvc_swd_write_reg ( uint8_t  cmd, uint32_t  value, uint32_t  ap_delay_clk  )

static

Definition at line 607 of file xlnx-pcie-xvc.c.

References cmd, ERROR_OK, LOG_DEBUG, LOG_DEBUG_IO, MASK_ACK, NULL, parity_u32(), queued_retval, SWD_ACK_FAULT, SWD_ACK_OK, SWD_ACK_WAIT, swd_clear_sticky_errors(), SWD_CMD_A32, SWD_CMD_APNDP, SWD_CMD_PARK, SWD_CMD_RNW, SWD_CMD_START, and xlnx_pcie_xvc_transact().

Referenced by swd_clear_sticky_errors().

xlnx_pcie_xvc_transact()

static int xlnx_pcie_xvc_transact ( size_t  num_bits, uint32_t  tms, uint32_t  tdi, uint32_t *  tdo  )

static

Definition at line 94 of file xlnx-pcie-xvc.c.

References ERROR_OK, LOG_DEBUG_IO, xlnx_pcie_xvc_read_reg(), xlnx_pcie_xvc_write_reg(), XLNX_XVC_LEN_REG, XLNX_XVC_TDX_REG, and XLNX_XVC_TMS_REG.

Referenced by xlnx_pcie_xvc_execute_pathmove(), xlnx_pcie_xvc_execute_runtest(), xlnx_pcie_xvc_execute_scan(), xlnx_pcie_xvc_execute_stableclocks(), xlnx_pcie_xvc_execute_statemove(), xlnx_pcie_xvc_execute_tms(), xlnx_pcie_xvc_swd_read_reg(), xlnx_pcie_xvc_swd_run_queue(), xlnx_pcie_xvc_swd_sequence(), and xlnx_pcie_xvc_swd_write_reg().

xlnx_pcie_xvc_write_reg()

static int xlnx_pcie_xvc_write_reg ( const int  offset, const uint32_t  val  )

static

Definition at line 75 of file xlnx-pcie-xvc.c.

References ERROR_JTAG_DEVICE_ERROR, ERROR_OK, xlnx_pcie_xvc::fd, LOG_ERROR, offset, and xlnx_pcie_xvc::offset.

Referenced by xlnx_pcie_xvc_transact().

Variable Documentation

queued_retval

int queued_retval

static

Definition at line 533 of file xlnx-pcie-xvc.c.

Referenced by xlnx_pcie_xvc_swd_read_reg(), xlnx_pcie_xvc_swd_run_queue(), and xlnx_pcie_xvc_swd_write_reg().

xlnx_pcie_xvc

struct xlnx_pcie_xvc* xlnx_pcie_xvc = &xlnx_pcie_xvc_state

static

Definition at line 51 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_adapter_driver

struct adapter_driver xlnx_pcie_xvc_adapter_driver

Initial value:

= {
    .name = "xlnx_pcie_xvc",
    .transports = xlnx_pcie_xvc_transports,
    .commands = xlnx_pcie_xvc_command_handlers,
 
    .init = &xlnx_pcie_xvc_init,
    .quit = &xlnx_pcie_xvc_quit,
 
    .jtag_ops = &xlnx_pcie_xvc_jtag_ops,
    .swd_ops  = &xlnx_pcie_xvc_swd_ops,
}

Definition at line 694 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_command_handlers

const struct command_registration xlnx_pcie_xvc_command_handlers[]

static

Initial value:

= {
    {
        .name = "xlnx_pcie_xvc",
        .mode = COMMAND_ANY,
        .help = "perform xlnx_pcie_xvc management",
        .chain = xlnx_pcie_xvc_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 449 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_jtag_ops

struct jtag_interface xlnx_pcie_xvc_jtag_ops

static

Initial value:

= {
    .execute_queue = &xlnx_pcie_xvc_execute_queue,
}

Definition at line 449 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_state

struct xlnx_pcie_xvc xlnx_pcie_xvc_state

static

Definition at line 1 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_subcommand_handlers

const struct command_registration xlnx_pcie_xvc_subcommand_handlers[]

static

Initial value:

= {
    {
        .name = "config",
        .handler = xlnx_pcie_xvc_handle_config_command,
        .mode = COMMAND_CONFIG,
        .help = "Configure XVC/PCIe JTAG adapter",
        .usage = "device",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 449 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_swd_ops

const struct swd_driver xlnx_pcie_xvc_swd_ops

static

Initial value:

= {
    .init = xlnx_pcie_xvc_swd_init,
    .switch_seq = xlnx_pcie_xvc_swd_switch_seq,
    .read_reg = xlnx_pcie_xvc_swd_read_reg,
    .write_reg = xlnx_pcie_xvc_swd_write_reg,
    .run = xlnx_pcie_xvc_swd_run_queue,
}

Definition at line 681 of file xlnx-pcie-xvc.c.

xlnx_pcie_xvc_transports

const char* const xlnx_pcie_xvc_transports[] = { "jtag", "swd", NULL }

static

Definition at line 694 of file xlnx-pcie-xvc.c.