#include "config.h"
#endif
-#include "replacements.h"
+#include "interface.h"
+#include "commands.h"
-#include "jtag.h"
-
-/* system includes */
-
-#ifdef _WIN32
-#include "errno.h"
-#endif /* _WIN32 */
-
-#include <string.h>
-#include <stdlib.h>
-
-#include <sys/time.h>
-#include <time.h>
#if PARPORT_USE_PPDEV == 1
#include <linux/parport.h>
#include <linux/ppdev.h>
-#include <fcntl.h>
#include <sys/ioctl.h>
-#include <unistd.h>
#else /* not PARPORT_USE_PPDEV */
#ifndef _WIN32
#include <sys/io.h>
#if PARPORT_USE_GIVEIO == 1
#if IS_CYGWIN == 1
#include <windows.h>
-#include <errno.h>
#endif
#endif
-#include "log.h"
-
/* configuration */
-u16 amt_jtagaccel_port;
+static uint16_t amt_jtagaccel_port;
/* interface variables
*/
-static u8 aw_control_rst = 0x00;
-static u8 aw_control_fsm = 0x10;
-static u8 aw_control_baudrate = 0x20;
+static uint8_t aw_control_rst = 0x00;
+static uint8_t aw_control_fsm = 0x10;
+static uint8_t aw_control_baudrate = 0x20;
static int rtck_enabled = 0;
#if PARPORT_USE_PPDEV == 1
static int device_handle;
-int addr_mode = IEEE1284_MODE_EPP | IEEE1284_ADDR ;
-int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA ;
+
+static int addr_mode = IEEE1284_MODE_EPP | IEEE1284_ADDR ;
#define AMT_AW(val) do { ioctl(device_handle, PPSETMODE, &addr_mode); write(device_handle, &val, 1); } while (0)
#define AMT_AR(val) do { ioctl(device_handle, PPSETMODE, &addr_mode); read(device_handle, &val, 1); } while (0)
+
+static int data_mode = IEEE1284_MODE_EPP | IEEE1284_DATA ;
#define AMT_DW(val) do { ioctl(device_handle, PPSETMODE, &data_mode); write(device_handle, &val, 1); } while (0)
#define AMT_DR(val) do { ioctl(device_handle, PPSETMODE, &data_mode); read(device_handle, &val, 1); } while (0)
+
#else
+
#define AMT_AW(val) do { outb(val, amt_jtagaccel_port + 3); } while (0)
#define AMT_AR(val) do { val = inb(amt_jtagaccel_port + 3); } while (0)
#define AMT_DW(val) do { outb(val, amt_jtagaccel_port + 4); } while (0)
#define AMT_DR(val) do { val = inb(amt_jtagaccel_port + 4); } while (0)
-#endif
-int amt_jtagaccel_execute_queue(void);
-int amt_jtagaccel_register_commands(struct command_context_s *cmd_ctx);
-int amt_jtagaccel_speed(int speed);
-int amt_jtagaccel_init(void);
-int amt_jtagaccel_quit(void);
-
-int amt_jtagaccel_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int amt_jtagaccel_handle_rtck_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+#endif // PARPORT_USE_PPDEV
/* tap_move[i][j]: tap movement command to go from state i to state j
* 0: Test-Logic-Reset
* 4: Shift-IR
* 5: Pause-IR
*/
-u8 amt_jtagaccel_tap_move[6][6][2] =
+static uint8_t amt_jtagaccel_tap_move[6][6][2] =
{
- /* TLR RTI SD PD SI PI */
- {{0x1f, 0x00}, {0x0f, 0x00}, {0x8a, 0x04}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* TLR */
- {{0x1f, 0x00}, {0x00, 0x00}, {0x85, 0x08}, {0x05, 0x00}, {0x8b, 0x08}, {0x0b, 0x00}}, /* RTI */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* SD */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* PD */
- {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* SI */
- {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* PI */
+ /* RESET IDLE DRSHIFT DRPAUSE IRSHIFT IRPAUSE */
+ {{0x1f, 0x00}, {0x0f, 0x00}, {0x05, 0x00}, {0x0a, 0x00}, {0x06, 0x00}, {0x96, 0x00}}, /* RESET */
+ {{0x1f, 0x00}, {0x00, 0x00}, {0x04, 0x00}, {0x05, 0x00}, {0x06, 0x00}, {0x0b, 0x00}}, /* IDLE */
+ {{0x1f, 0x00}, {0x0d, 0x00}, {0x00, 0x00}, {0x01, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRSHIFT */
+ {{0x1f, 0x00}, {0x0c, 0x00}, {0x08, 0x00}, {0x00, 0x00}, {0x8f, 0x09}, {0x8f, 0x01}}, /* DRPAUSE */
+ {{0x1f, 0x00}, {0x0d, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x00, 0x00}, {0x01, 0x00}}, /* IRSHIFT */
+ {{0x1f, 0x00}, {0x0c, 0x00}, {0x07, 0x00}, {0x97, 0x00}, {0x08, 0x00}, {0x00, 0x00}}, /* IRPAUSE */
};
-jtag_interface_t amt_jtagaccel_interface =
-{
- .name = "amt_jtagaccel",
-
- .execute_queue = amt_jtagaccel_execute_queue,
-
- .speed = amt_jtagaccel_speed,
- .register_commands = amt_jtagaccel_register_commands,
- .init = amt_jtagaccel_init,
- .quit = amt_jtagaccel_quit,
-};
-
-int amt_jtagaccel_register_commands(struct command_context_s *cmd_ctx)
-{
- register_command(cmd_ctx, NULL, "parport_port", amt_jtagaccel_handle_parport_port_command,
- COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "rtck", amt_jtagaccel_handle_rtck_command,
- COMMAND_CONFIG, NULL);
-
- return ERROR_OK;
-}
-void amt_jtagaccel_reset(int trst, int srst)
+static void amt_jtagaccel_reset(int trst, int srst)
{
if (trst == 1)
aw_control_rst |= 0x4;
aw_control_rst |= 0x1;
else if (srst == 0)
aw_control_rst &= ~0x1;
-
+
AMT_AW(aw_control_rst);
}
-int amt_jtagaccel_speed(int speed)
+static int amt_jtagaccel_speed(int speed)
{
aw_control_baudrate &= 0xf0;
aw_control_baudrate |= speed & 0x0f;
AMT_AW(aw_control_baudrate);
-
+
return ERROR_OK;
}
-void amt_jtagaccel_end_state(state)
+static void amt_jtagaccel_end_state(tap_state_t state)
{
- if (tap_move_map[state] != -1)
- end_state = state;
+ if (tap_is_state_stable(state))
+ tap_set_end_state(state);
else
{
LOG_ERROR("BUG: %i is not a valid end state", state);
}
}
-void amt_wait_scan_busy()
+static void amt_wait_scan_busy(void)
{
int timeout = 4096;
- u8 ar_status;
-
+ uint8_t ar_status;
+
AMT_AR(ar_status);
while (((ar_status) & 0x80) && (timeout-- > 0))
AMT_AR(ar_status);
-
+
if (ar_status & 0x80)
{
LOG_ERROR("amt_jtagaccel timed out while waiting for end of scan, rtck was %s, last AR_STATUS: 0x%2.2x", (rtck_enabled) ? "enabled" : "disabled", ar_status);
}
}
-void amt_jtagaccel_state_move(void)
+static void amt_jtagaccel_state_move(void)
{
- u8 aw_scan_tms_5;
- u8 tms_scan[2];
-
- tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
- tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
-
+ uint8_t aw_scan_tms_5;
+ uint8_t tms_scan[2];
+
+ tap_state_t cur_state = tap_get_state();
+ tap_state_t end_state = tap_get_end_state();
+
+ tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][0];
+ tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(cur_state)][tap_move_ndx(end_state)][1];
+
aw_scan_tms_5 = 0x40 | (tms_scan[0] & 0x1f);
AMT_AW(aw_scan_tms_5);
+ int jtag_speed = jtag_get_speed();
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
-
+
if (tms_scan[0] & 0x80)
{
aw_scan_tms_5 = 0x40 | (tms_scan[1] & 0x1f);
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
}
-
- cur_state = end_state;
+
+ tap_set_state(end_state);
}
-void amt_jtagaccel_runtest(int num_cycles)
+static void amt_jtagaccel_runtest(int num_cycles)
{
int i = 0;
- u8 aw_scan_tms_5;
- u8 aw_scan_tms_1to4;
+ uint8_t aw_scan_tms_5;
+ uint8_t aw_scan_tms_1to4;
+
+ tap_state_t saved_end_state = tap_get_end_state();
- enum tap_state saved_end_state = end_state;
-
- /* only do a state_move when we're not already in RTI */
- if (cur_state != TAP_RTI)
+ /* only do a state_move when we're not already in IDLE */
+ if (tap_get_state() != TAP_IDLE)
{
- amt_jtagaccel_end_state(TAP_RTI);
+ amt_jtagaccel_end_state(TAP_IDLE);
amt_jtagaccel_state_move();
}
-
+
while (num_cycles - i >= 5)
{
aw_scan_tms_5 = 0x40;
AMT_AW(aw_scan_tms_5);
i += 5;
}
-
+
if (num_cycles - i > 0)
{
aw_scan_tms_1to4 = 0x80 | ((num_cycles - i - 1) & 0x3) << 4;
AMT_AW(aw_scan_tms_1to4);
}
-
+
amt_jtagaccel_end_state(saved_end_state);
- if (cur_state != end_state)
+ if (tap_get_state() != tap_get_end_state())
amt_jtagaccel_state_move();
}
-void amt_jtagaccel_scan(int ir_scan, enum scan_type type, u8 *buffer, int scan_size)
+static void amt_jtagaccel_scan(bool ir_scan, enum scan_type type, uint8_t *buffer, int scan_size)
{
int bits_left = scan_size;
int bit_count = 0;
- enum tap_state saved_end_state = end_state;
- u8 aw_tdi_option;
- u8 dw_tdi_scan;
- u8 dr_tdo;
- u8 aw_tms_scan;
- u8 tms_scan[2];
+ tap_state_t saved_end_state = tap_get_end_state();
+ uint8_t aw_tdi_option;
+ uint8_t dw_tdi_scan;
+ uint8_t dr_tdo;
+ uint8_t aw_tms_scan;
+ uint8_t tms_scan[2];
+ int jtag_speed = jtag_get_speed();
if (ir_scan)
- amt_jtagaccel_end_state(TAP_SI);
+ amt_jtagaccel_end_state(TAP_IRSHIFT);
else
- amt_jtagaccel_end_state(TAP_SD);
+ amt_jtagaccel_end_state(TAP_DRSHIFT);
amt_jtagaccel_state_move();
amt_jtagaccel_end_state(saved_end_state);
{
aw_tdi_option = 0x30 | (((scan_size - 1) % 8) - 1);
AMT_AW(aw_tdi_option);
-
+
dw_tdi_scan = buf_get_u32(buffer, bit_count, (scan_size - 1) % 8) & 0xff;
AMT_DW(dw_tdi_scan);
if (jtag_speed > 3 || rtck_enabled)
dr_tdo = dr_tdo >> (8 - ((scan_size - 1) % 8));
buf_set_u32(buffer, bit_count, (scan_size - 1) % 8, dr_tdo);
}
-
+
bit_count += (scan_size - 1) % 8;
bits_left -= (scan_size - 1) % 8;
}
-
+
while (bits_left - 1 >= 8)
{
dw_tdi_scan = buf_get_u32(buffer, bit_count, 8) & 0xff;
AMT_DR(dr_tdo);
buf_set_u32(buffer, bit_count, 8, dr_tdo);
}
-
+
bit_count += 8;
bits_left -= 8;
}
-
- tms_scan[0] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][0];
- tms_scan[1] = amt_jtagaccel_tap_move[tap_move_map[cur_state]][tap_move_map[end_state]][1];
+
+ tms_scan[0] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][0];
+ tms_scan[1] = amt_jtagaccel_tap_move[tap_move_ndx(tap_get_state())][tap_move_ndx(tap_get_end_state())][1];
aw_tms_scan = 0x40 | (tms_scan[0] & 0x1f) | (buf_get_u32(buffer, bit_count, 1) << 5);
AMT_AW(aw_tms_scan);
if (jtag_speed > 3 || rtck_enabled)
dr_tdo = dr_tdo >> 7;
buf_set_u32(buffer, bit_count, 1, dr_tdo);
}
-
+
if (tms_scan[0] & 0x80)
{
aw_tms_scan = 0x40 | (tms_scan[1] & 0x1f);
if (jtag_speed > 3 || rtck_enabled)
amt_wait_scan_busy();
}
- cur_state = end_state;
+ tap_set_state(tap_get_end_state());
}
-int amt_jtagaccel_execute_queue(void)
+static int amt_jtagaccel_execute_queue(void)
{
- jtag_command_t *cmd = jtag_command_queue; /* currently processed command */
+ struct jtag_command *cmd = jtag_command_queue; /* currently processed command */
int scan_size;
enum scan_type type;
- u8 *buffer;
+ uint8_t *buffer;
int retval;
-
+
/* return ERROR_OK, unless a jtag_read_buffer returns a failed check
* that wasn't handled by a caller-provided error handler
- */
+ */
retval = ERROR_OK;
-
+
while (cmd)
{
switch (cmd->type)
{
- case JTAG_END_STATE:
-#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("end_state: %i", cmd->cmd.end_state->end_state);
-#endif
- if (cmd->cmd.end_state->end_state != -1)
- amt_jtagaccel_end_state(cmd->cmd.end_state->end_state);
- break;
case JTAG_RESET:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("reset trst: %i srst %i", cmd->cmd.reset->trst, cmd->cmd.reset->srst);
#endif
if (cmd->cmd.reset->trst == 1)
{
- cur_state = TAP_TLR;
+ tap_set_state(TAP_RESET);
}
amt_jtagaccel_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
break;
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("runtest %i cycles, end in %i", cmd->cmd.runtest->num_cycles, cmd->cmd.runtest->end_state);
#endif
- if (cmd->cmd.runtest->end_state != -1)
- amt_jtagaccel_end_state(cmd->cmd.runtest->end_state);
+ amt_jtagaccel_end_state(cmd->cmd.runtest->end_state);
amt_jtagaccel_runtest(cmd->cmd.runtest->num_cycles);
break;
case JTAG_STATEMOVE:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("statemove end in %i", cmd->cmd.statemove->end_state);
#endif
- if (cmd->cmd.statemove->end_state != -1)
- amt_jtagaccel_end_state(cmd->cmd.statemove->end_state);
+ amt_jtagaccel_end_state(cmd->cmd.statemove->end_state);
amt_jtagaccel_state_move();
break;
case JTAG_SCAN:
#ifdef _DEBUG_JTAG_IO_
LOG_DEBUG("scan end in %i", cmd->cmd.scan->end_state);
#endif
- if (cmd->cmd.scan->end_state != -1)
- amt_jtagaccel_end_state(cmd->cmd.scan->end_state);
+ amt_jtagaccel_end_state(cmd->cmd.scan->end_state);
scan_size = jtag_build_buffer(cmd->cmd.scan, &buffer);
type = jtag_scan_type(cmd->cmd.scan);
amt_jtagaccel_scan(cmd->cmd.scan->ir_scan, type, buffer, scan_size);
break;
case JTAG_SLEEP:
#ifdef _DEBUG_JTAG_IO_
- LOG_DEBUG("sleep %i", cmd->cmd.sleep->us);
+ LOG_DEBUG("sleep %" PRIi32, cmd->cmd.sleep->us);
#endif
jtag_sleep(cmd->cmd.sleep->us);
break;
}
cmd = cmd->next;
}
-
+
return retval;
}
#if PARPORT_USE_GIVEIO == 1
-int amt_jtagaccel_get_giveio_access()
+int amt_jtagaccel_get_giveio_access(void)
{
- HANDLE h;
- OSVERSIONINFO version;
-
- version.dwOSVersionInfoSize = sizeof version;
- if (!GetVersionEx( &version )) {
- errno = EINVAL;
- return -1;
- }
- if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
- return 0;
-
- h = CreateFile( "\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL );
- if (h == INVALID_HANDLE_VALUE) {
- errno = ENODEV;
- return -1;
- }
-
- CloseHandle( h );
-
- return 0;
+ HANDLE h;
+ OSVERSIONINFO version;
+
+ version.dwOSVersionInfoSize = sizeof version;
+ if (!GetVersionEx(&version)) {
+ errno = EINVAL;
+ return -1;
+ }
+ if (version.dwPlatformId != VER_PLATFORM_WIN32_NT)
+ return 0;
+
+ h = CreateFile("\\\\.\\giveio", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+ if (h == INVALID_HANDLE_VALUE) {
+ errno = ENODEV;
+ return -1;
+ }
+
+ CloseHandle(h);
+
+ return 0;
}
#endif
-int amt_jtagaccel_init(void)
+static int amt_jtagaccel_init(void)
{
#if PARPORT_USE_PPDEV == 1
char buffer[256];
int i = 0;
- u8 control_port;
+ uint8_t control_port;
#else
- u8 status_port;
+ uint8_t status_port;
#endif
- u8 ar_status;
-
+ uint8_t ar_status;
+
#if PARPORT_USE_PPDEV == 1
if (device_handle > 0)
{
snprintf(buffer, 256, "/dev/parport%d", amt_jtagaccel_port);
device_handle = open(buffer, O_RDWR);
-
+
if (device_handle < 0)
{
LOG_ERROR("cannot open device. check it exists and that user read and write rights are set");
LOG_ERROR(" cannot set compatible mode to device");
return ERROR_JTAG_INIT_FAILED;
}
-
+
control_port = 0x00;
i = ioctl(device_handle, PPWCONTROL, &control_port);
#if PARPORT_USE_GIVEIO == 1
if (amt_jtagaccel_get_giveio_access() != 0) {
-#else /* PARPORT_USE_GIVEIO */
+#else /* PARPORT_USE_GIVEIO */
if (ioperm(amt_jtagaccel_port, 5, 1) != 0) {
#endif /* PARPORT_USE_GIVEIO */
LOG_ERROR("missing privileges for direct i/o");
return ERROR_JTAG_INIT_FAILED;
}
-
+
/* prepare epp port */
/* clear timeout */
status_port = inb(amt_jtagaccel_port + 1);
outb(status_port | 0x1, amt_jtagaccel_port + 1);
-
+
/* reset epp port */
outb(0x00, amt_jtagaccel_port + 2);
outb(0x04, amt_jtagaccel_port + 2);
#endif
-
+
if (rtck_enabled)
- {
+ {
/* set RTCK enable bit */
aw_control_fsm |= 0x02;
}
-
+
/* enable JTAG port */
aw_control_fsm |= 0x04;
AMT_AW(aw_control_fsm);
-
- amt_jtagaccel_speed(jtag_speed);
-
+
+ amt_jtagaccel_speed(jtag_get_speed());
+
+ enum reset_types jtag_reset_config = jtag_get_reset_config();
if (jtag_reset_config & RESET_TRST_OPEN_DRAIN)
aw_control_rst &= ~0x8;
else
aw_control_rst |= 0x8;
-
+
if (jtag_reset_config & RESET_SRST_PUSH_PULL)
aw_control_rst &= ~0x2;
else
aw_control_rst |= 0x2;
-
+
amt_jtagaccel_reset(0, 0);
-
+
/* read status register */
AMT_AR(ar_status);
LOG_DEBUG("AR_STATUS: 0x%2.2x", ar_status);
-
+
return ERROR_OK;
}
-int amt_jtagaccel_quit(void)
+static int amt_jtagaccel_quit(void)
{
-
+
return ERROR_OK;
}
-int amt_jtagaccel_handle_parport_port_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(amt_jtagaccel_handle_parport_port_command)
{
- if (argc == 0)
- return ERROR_OK;
+ if (argc == 1)
+ {
+ /* only if the port wasn't overwritten by cmdline */
+ if (amt_jtagaccel_port == 0)
+ {
+ uint16_t port;
+ COMMAND_PARSE_NUMBER(u16, args[0], port);
+ amt_jtagaccel_port = port;
+ }
+ else
+ {
+ LOG_ERROR("The parport port was already configured!");
+ return ERROR_FAIL;
+ }
+ }
- /* only if the port wasn't overwritten by cmdline */
- if (amt_jtagaccel_port == 0)
- amt_jtagaccel_port = strtoul(args[0], NULL, 0);
+ command_print(cmd_ctx, "parport port = %u", amt_jtagaccel_port);
return ERROR_OK;
}
-int amt_jtagaccel_handle_rtck_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(amt_jtagaccel_handle_rtck_command)
{
if (argc == 0)
{
rtck_enabled = 0;
}
}
-
+
+ return ERROR_OK;
+}
+
+static int amt_jtagaccel_register_commands(struct command_context *cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "parport_port",
+ amt_jtagaccel_handle_parport_port_command, COMMAND_CONFIG,
+ NULL);
+ register_command(cmd_ctx, NULL, "rtck",
+ amt_jtagaccel_handle_rtck_command, COMMAND_CONFIG,
+ NULL);
+
return ERROR_OK;
}
+
+struct jtag_interface amt_jtagaccel_interface = {
+ .name = "amt_jtagaccel",
+ .register_commands = &amt_jtagaccel_register_commands,
+ .init = &amt_jtagaccel_init,
+ .quit = &amt_jtagaccel_quit,
+ .speed = &amt_jtagaccel_speed,
+ .execute_queue = &amt_jtagaccel_execute_queue,
+ };
Code Review / openocd.git / blobdiff