diff options
Diffstat (limited to 'src/jtag/zy1000.c')
| -rw-r--r-- | src/jtag/zy1000.c | 167 |
1 files changed, 114 insertions, 53 deletions
diff --git a/src/jtag/zy1000.c b/src/jtag/zy1000.c index 160a51ef..86b98ca7 100644 --- a/src/jtag/zy1000.c +++ b/src/jtag/zy1000.c @@ -32,6 +32,12 @@ #include <stdlib.h> +#define ZYLIN_VERSION "1.48" +#define ZYLIN_DATE __DATE__ +#define ZYLIN_TIME __TIME__ +#define ZYLIN_OPENOCD "$Revision: 1241 $" +#define ZYLIN_OPENOCD_VERSION "Zylin JTAG ZY1000 " ZYLIN_VERSION " " ZYLIN_DATE " " ZYLIN_TIME +const char *zylin_config_dir="/config/settings"; extern int jtag_error; @@ -223,7 +229,7 @@ int zy1000_speed(int speed) { if(speed > 8190 || speed < 2) { - LOG_ERROR("valid ZY1000 jtag_speed=[8190,2]. Divisor is 64MHz / even values between 8190-2, i.e. min 7814Hz, max 32MHz"); + LOG_USER("valid ZY1000 jtag_speed=[8190,2]. Divisor is 64MHz / even values between 8190-2, i.e. min 7814Hz, max 32MHz"); return ERROR_INVALID_ARGUMENTS; } @@ -234,86 +240,119 @@ int zy1000_speed(int speed) return ERROR_OK; } -int zy1000_register_commands(struct command_context_s *cmd_ctx) -{ - return ERROR_OK; -} +static bool savePower; -int zy1000_init(void) +static void setPower(bool power) { - ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x30); // Turn on LED1 & LED2 - - /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ - zy1000_reset(0, 0); - zy1000_speed(jtag_speed); - - bitbang_interface = &zy1000_bitbang; - - return ERROR_OK; + savePower = power; + if (power) + { + HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x14, 0x8); + } else + { + HAL_WRITE_UINT32(ZY1000_JTAG_BASE+0x10, 0x8); + } } -int zy1000_quit(void) +int handle_power_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { + if (argc > 1) + { + return ERROR_INVALID_ARGUMENTS; + } + + if (argc == 1) + { + if (strcmp(args[0], "on") == 0) + { + setPower(1); + } + else if (strcmp(args[0], "off") == 0) + { + setPower(0); + } else + { + command_print(cmd_ctx, "arg is \"on\" or \"off\""); + return ERROR_INVALID_ARGUMENTS; + } + } + + command_print(cmd_ctx, "Target power %s", savePower ? "on" : "off"); return ERROR_OK; } - -/* loads a file and returns a pointer to it in memory. The file contains - * a 0 byte(sentinel) after len bytes - the length of the file. */ -int loadFile(const char *fileName, void **data, int *len) +/* Give TELNET a way to find out what version this is */ +int handle_zy1000_version_command(struct command_context_s *cmd_ctx, char *cmd, + char **args, int argc) { - FILE * pFile; - pFile = fopen(fileName,"rb"); - if (pFile==NULL) + if (argc > 1) { - LOG_ERROR("Can't open %s\n", fileName); - return ERROR_JTAG_DEVICE_ERROR; + return ERROR_COMMAND_SYNTAX_ERROR; } - if (fseek(pFile, 0, SEEK_END)!=0) + if (argc == 0) { - LOG_ERROR("Can't open %s\n", fileName); - fclose(pFile); - return ERROR_JTAG_DEVICE_ERROR; + command_print(cmd_ctx, ZYLIN_OPENOCD_VERSION); } - *len=ftell(pFile); - if (*len==-1) + else if (strcmp("openocd", args[0]) == 0) { - LOG_ERROR("Can't open %s\n", fileName); - fclose(pFile); - return ERROR_JTAG_DEVICE_ERROR; + int revision; + revision = atol(ZYLIN_OPENOCD+strlen("XRevision: ")); + command_print(cmd_ctx, "%d", revision); } - - if (fseek(pFile, 0, SEEK_SET)!=0) + else if (strcmp("zy1000", args[0]) == 0) { - LOG_ERROR("Can't open %s\n", fileName); - fclose(pFile); - return ERROR_JTAG_DEVICE_ERROR; + command_print(cmd_ctx, "%s", ZYLIN_VERSION); } - *data=malloc(*len+1); - if (*data==NULL) + else if (strcmp("date", args[0]) == 0) { - LOG_ERROR("Can't open %s\n", fileName); - fclose(pFile); - return ERROR_JTAG_DEVICE_ERROR; + command_print(cmd_ctx, "%s", ZYLIN_DATE); } - - if (fread(*data, 1, *len, pFile)!=*len) + else { - fclose(pFile); - free(*data); - LOG_ERROR("Can't open %s\n", fileName); - return ERROR_JTAG_DEVICE_ERROR; + return ERROR_COMMAND_SYNTAX_ERROR; } - fclose(pFile); - *(((char *)(*data))+*len)=0; /* sentinel */ return ERROR_OK; +} + +int zy1000_register_commands(struct command_context_s *cmd_ctx) +{ + register_command(cmd_ctx, NULL, "power", handle_power_command, COMMAND_ANY, + "power <on/off> - turn power switch to target on/off. No arguments - print status."); + register_command(cmd_ctx, NULL, "zy1000_version", handle_zy1000_version_command, + COMMAND_EXEC, "show zy1000 version numbers"); + return ERROR_OK; +} + + +int zy1000_init(void) +{ + LOG_ERROR("%s\n", ZYLIN_OPENOCD_VERSION); + + ZY1000_POKE(ZY1000_JTAG_BASE+0x10, 0x30); // Turn on LED1 & LED2 + + setPower(true); // on by default + + + /* deassert resets. Important to avoid infinite loop waiting for SRST to deassert */ + zy1000_reset(0, 0); + zy1000_speed(jtag_speed); + + bitbang_interface = &zy1000_bitbang; + + return ERROR_OK; +} + +int zy1000_quit(void) +{ + + return ERROR_OK; } @@ -703,7 +742,7 @@ int interface_jtag_add_pathmove(int num_states, enum tap_state *path) } else { - LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[state_count)]); + LOG_ERROR("BUG: %s -> %s isn't a valid TAP transition", jtag_state_name(cur_state), jtag_state_name(path[state_count])); exit(-1); } @@ -760,3 +799,25 @@ void embeddedice_write_dcc(jtag_tap_t *tap, int reg_addr, u8 *buffer, int little } } +int loadFile(const char *fileName, void **data, int *len); + +/* boolean parameter stored on config */ +int boolParam(char *var) +{ + bool result = false; + char *name = alloc_printf("%s/%s", zylin_config_dir, var); + if (name == NULL) + return result; + + void *data; + int len; + if (loadFile(name, &data, &len) == ERROR_OK) + { + if (len > 1) + len = 1; + result = strncmp((char *) data, "1", len) == 0; + free(data); + } + free(name); + return result; +} |