#include "target/arm_cti.h"
#include "target/target.h"
#include "helper/time_support.h"
+#include "helper/list.h"
+#include "helper/command.h"
struct arm_cti {
- uint32_t base;
+ target_addr_t base;
struct adiv5_ap *ap;
};
-struct arm_cti *arm_cti_create(struct adiv5_ap *ap, uint32_t base)
+struct arm_cti_object {
+ struct list_head lh;
+ struct arm_cti cti;
+ int ap_num;
+ char *name;
+};
+
+static LIST_HEAD(all_cti);
+
+const char *arm_cti_name(struct arm_cti *self)
+{
+ struct arm_cti_object *obj = container_of(self, struct arm_cti_object, cti);
+ return obj->name;
+}
+
+struct arm_cti *cti_instance_by_jim_obj(Jim_Interp *interp, Jim_Obj *o)
{
- struct arm_cti *self = calloc(1, sizeof(struct arm_cti));
- if (!self)
- return NULL;
+ struct arm_cti_object *obj = NULL;
+ const char *name;
+ bool found = false;
- self->base = base;
- self->ap = ap;
- return self;
+ name = Jim_GetString(o, NULL);
+
+ list_for_each_entry(obj, &all_cti, lh) {
+ if (!strcmp(name, obj->name)) {
+ found = true;
+ break;
+ }
+ }
+
+ if (found)
+ return &obj->cti;
+ return NULL;
}
static int arm_cti_mod_reg_bits(struct arm_cti *self, unsigned int reg, uint32_t mask, uint32_t value)
return arm_cti_write_reg(self, CTI_APPCLEAR, CTI_CHNL(channel));
}
+
+static uint32_t cti_regs[26];
+
+static const struct {
+ uint32_t offset;
+ const char *label;
+ uint32_t *p_val;
+} cti_names[] = {
+ { CTI_CTR, "CTR", &cti_regs[0] },
+ { CTI_GATE, "GATE", &cti_regs[1] },
+ { CTI_INEN0, "INEN0", &cti_regs[2] },
+ { CTI_INEN1, "INEN1", &cti_regs[3] },
+ { CTI_INEN2, "INEN2", &cti_regs[4] },
+ { CTI_INEN3, "INEN3", &cti_regs[5] },
+ { CTI_INEN4, "INEN4", &cti_regs[6] },
+ { CTI_INEN5, "INEN5", &cti_regs[7] },
+ { CTI_INEN6, "INEN6", &cti_regs[8] },
+ { CTI_INEN7, "INEN7", &cti_regs[9] },
+ { CTI_INEN8, "INEN8", &cti_regs[10] },
+ { CTI_OUTEN0, "OUTEN0", &cti_regs[11] },
+ { CTI_OUTEN1, "OUTEN1", &cti_regs[12] },
+ { CTI_OUTEN2, "OUTEN2", &cti_regs[13] },
+ { CTI_OUTEN3, "OUTEN3", &cti_regs[14] },
+ { CTI_OUTEN4, "OUTEN4", &cti_regs[15] },
+ { CTI_OUTEN5, "OUTEN5", &cti_regs[16] },
+ { CTI_OUTEN6, "OUTEN6", &cti_regs[17] },
+ { CTI_OUTEN7, "OUTEN7", &cti_regs[18] },
+ { CTI_OUTEN8, "OUTEN8", &cti_regs[19] },
+ { CTI_TRIN_STATUS, "TRIN", &cti_regs[20] },
+ { CTI_TROUT_STATUS, "TROUT", &cti_regs[21] },
+ { CTI_CHIN_STATUS, "CHIN", &cti_regs[22] },
+ { CTI_CHOU_STATUS, "CHOUT", &cti_regs[23] },
+ { CTI_APPSET, "APPSET", &cti_regs[24] },
+ { CTI_APPCLEAR, "APPCLR", &cti_regs[25] },
+};
+
+static int cti_find_reg_offset(const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(cti_names); i++) {
+ if (!strcmp(name, cti_names[i].label))
+ return cti_names[i].offset;
+ }
+ return -1;
+}
+
+COMMAND_HANDLER(handle_cti_dump)
+{
+ struct arm_cti_object *obj = CMD_DATA;
+ struct arm_cti *cti = &obj->cti;
+ int retval = ERROR_OK;
+
+ for (int i = 0; (retval == ERROR_OK) && (i < (int)ARRAY_SIZE(cti_names)); i++)
+ retval = mem_ap_read_u32(cti->ap,
+ cti->base + cti_names[i].offset, cti_names[i].p_val);
+
+ if (retval == ERROR_OK)
+ retval = dap_run(cti->ap->dap);
+
+ if (retval != ERROR_OK)
+ return JIM_ERR;
+
+ for (int i = 0; i < (int)ARRAY_SIZE(cti_names); i++)
+ command_print(CMD_CTX, "%8.8s (0x%04"PRIx32") 0x%08"PRIx32,
+ cti_names[i].label, cti_names[i].offset, *cti_names[i].p_val);
+
+ return JIM_OK;
+}
+
+COMMAND_HANDLER(handle_cti_enable)
+{
+ struct arm_cti_object *obj = CMD_DATA;
+ Jim_Interp *interp = CMD_CTX->interp;
+ struct arm_cti *cti = &obj->cti;
+ bool on_off;
+
+ if (CMD_ARGC != 1) {
+ Jim_SetResultString(interp, "wrong number of args", -1);
+ return ERROR_FAIL;
+ }
+
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[0], on_off);
+
+ return arm_cti_enable(cti, on_off);
+}
+
+COMMAND_HANDLER(handle_cti_testmode)
+{
+ struct arm_cti_object *obj = CMD_DATA;
+ Jim_Interp *interp = CMD_CTX->interp;
+ struct arm_cti *cti = &obj->cti;
+ bool on_off;
+
+ if (CMD_ARGC != 1) {
+ Jim_SetResultString(interp, "wrong number of args", -1);
+ return ERROR_FAIL;
+ }
+
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[0], on_off);
+
+ return arm_cti_write_reg(cti, 0xf00, on_off ? 0x1 : 0x0);
+}
+
+COMMAND_HANDLER(handle_cti_write)
+{
+ struct arm_cti_object *obj = CMD_DATA;
+ Jim_Interp *interp = CMD_CTX->interp;
+ struct arm_cti *cti = &obj->cti;
+ int offset;
+ uint32_t value;
+
+ if (CMD_ARGC != 2) {
+ Jim_SetResultString(interp, "Wrong numer of args", -1);
+ return ERROR_FAIL;
+ }
+
+ offset = cti_find_reg_offset(CMD_ARGV[0]);
+ if (offset < 0)
+ return ERROR_FAIL;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], value);
+
+ return arm_cti_write_reg(cti, offset, value);
+}
+
+COMMAND_HANDLER(handle_cti_read)
+{
+ struct arm_cti_object *obj = CMD_DATA;
+ Jim_Interp *interp = CMD_CTX->interp;
+ struct arm_cti *cti = &obj->cti;
+ int offset;
+ int retval;
+ uint32_t value;
+
+ if (CMD_ARGC != 1) {
+ Jim_SetResultString(interp, "Wrong numer of args", -1);
+ return ERROR_FAIL;
+ }
+
+ offset = cti_find_reg_offset(CMD_ARGV[0]);
+ if (offset < 0)
+ return ERROR_FAIL;
+
+ retval = arm_cti_read_reg(cti, offset, &value);
+ if (retval != ERROR_OK)
+ return retval;
+
+ command_print(CMD_CTX, "0x%08"PRIx32, value);
+
+ return ERROR_OK;
+}
+
+static const struct command_registration cti_instance_command_handlers[] = {
+ {
+ .name = "dump",
+ .mode = COMMAND_EXEC,
+ .handler = handle_cti_dump,
+ .help = "dump CTI registers",
+ .usage = "",
+ },
+ {
+ .name = "enable",
+ .mode = COMMAND_EXEC,
+ .handler = handle_cti_enable,
+ .help = "enable or disable the CTI",
+ .usage = "'on'|'off'",
+ },
+ {
+ .name = "testmode",
+ .mode = COMMAND_EXEC,
+ .handler = handle_cti_testmode,
+ .help = "enable or disable integration test mode",
+ .usage = "'on'|'off'",
+ },
+ {
+ .name = "write",
+ .mode = COMMAND_EXEC,
+ .handler = handle_cti_write,
+ .help = "write to a CTI register",
+ .usage = "register_name value",
+ },
+ {
+ .name = "read",
+ .mode = COMMAND_EXEC,
+ .handler = handle_cti_read,
+ .help = "read a CTI register",
+ .usage = "register_name",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+enum cti_cfg_param {
+ CFG_CHAIN_POSITION,
+ CFG_AP_NUM,
+ CFG_CTIBASE
+};
+
+static const Jim_Nvp nvp_config_opts[] = {
+ { .name = "-chain-position", .value = CFG_CHAIN_POSITION },
+ { .name = "-ctibase", .value = CFG_CTIBASE },
+ { .name = "-ap-num", .value = CFG_AP_NUM },
+ { .name = NULL, .value = -1 }
+};
+
+static int cti_configure(Jim_GetOptInfo *goi, struct arm_cti_object *cti)
+{
+ struct jtag_tap *tap = NULL;
+ struct adiv5_dap *dap;
+ Jim_Nvp *n;
+ jim_wide w;
+ int e;
+
+ /* parse config or cget options ... */
+ while (goi->argc > 0) {
+ Jim_SetEmptyResult(goi->interp);
+
+ e = Jim_GetOpt_Nvp(goi, nvp_config_opts, &n);
+ if (e != JIM_OK) {
+ Jim_GetOpt_NvpUnknown(goi, nvp_config_opts, 0);
+ return e;
+ }
+ switch (n->value) {
+ case CFG_CHAIN_POSITION: {
+ Jim_Obj *o_t;
+ e = Jim_GetOpt_Obj(goi, &o_t);
+ if (e != JIM_OK)
+ return e;
+ tap = jtag_tap_by_jim_obj(goi->interp, o_t);
+ if (tap == NULL) {
+ Jim_SetResultString(goi->interp, "-chain-position is invalid", -1);
+ return JIM_ERR;
+ }
+ /* loop for more */
+ break;
+ }
+ case CFG_CTIBASE:
+ e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK)
+ return e;
+ cti->cti.base = (uint32_t)w;
+ /* loop for more */
+ break;
+
+ case CFG_AP_NUM:
+ e = Jim_GetOpt_Wide(goi, &w);
+ if (e != JIM_OK)
+ return e;
+ cti->ap_num = (uint32_t)w;
+ }
+ }
+
+ if (tap == NULL) {
+ Jim_SetResultString(goi->interp, "-chain-position required when creating CTI", -1);
+ return JIM_ERR;
+ }
+
+ if (tap->dap == NULL) {
+ dap = dap_init();
+ dap->tap = tap;
+ tap->dap = dap;
+ } else
+ dap = tap->dap;
+
+ cti->cti.ap = dap_ap(dap, cti->ap_num);
+
+ return JIM_OK;
+}
+
+static int cti_create(Jim_GetOptInfo *goi)
+{
+ struct command_context *cmd_ctx;
+ static struct arm_cti_object *cti;
+ Jim_Obj *new_cmd;
+ Jim_Cmd *cmd;
+ const char *cp;
+ int e;
+
+ cmd_ctx = current_command_context(goi->interp);
+ assert(cmd_ctx != NULL);
+
+ if (goi->argc < 3) {
+ Jim_WrongNumArgs(goi->interp, 1, goi->argv, "?name? ..options...");
+ return JIM_ERR;
+ }
+ /* COMMAND */
+ Jim_GetOpt_Obj(goi, &new_cmd);
+ /* does this command exist? */
+ cmd = Jim_GetCommand(goi->interp, new_cmd, JIM_ERRMSG);
+ if (cmd) {
+ cp = Jim_GetString(new_cmd, NULL);
+ Jim_SetResultFormatted(goi->interp, "Command: %s Exists", cp);
+ return JIM_ERR;
+ }
+
+ /* Create it */
+ cti = calloc(1, sizeof(struct arm_cti_object));
+ if (cti == NULL)
+ return JIM_ERR;
+
+ e = cti_configure(goi, cti);
+ if (e != JIM_OK) {
+ free(cti);
+ return e;
+ }
+
+ cp = Jim_GetString(new_cmd, NULL);
+ cti->name = strdup(cp);
+
+ /* now - create the new cti name command */
+ const struct command_registration cti_subcommands[] = {
+ {
+ .chain = cti_instance_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+ };
+ const struct command_registration cti_commands[] = {
+ {
+ .name = cp,
+ .mode = COMMAND_ANY,
+ .help = "cti instance command group",
+ .usage = "",
+ .chain = cti_subcommands,
+ },
+ COMMAND_REGISTRATION_DONE
+ };
+ e = register_commands(cmd_ctx, NULL, cti_commands);
+ if (ERROR_OK != e)
+ return JIM_ERR;
+
+ struct command *c = command_find_in_context(cmd_ctx, cp);
+ assert(c);
+ command_set_handler_data(c, cti);
+
+ list_add_tail(&cti->lh, &all_cti);
+
+ return (ERROR_OK == e) ? JIM_OK : JIM_ERR;
+}
+
+static int jim_cti_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ Jim_GetOptInfo goi;
+ Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
+ if (goi.argc < 2) {
+ Jim_WrongNumArgs(goi.interp, goi.argc, goi.argv,
+ "<name> [<cti_options> ...]");
+ return JIM_ERR;
+ }
+ return cti_create(&goi);
+}
+
+static int jim_cti_names(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+{
+ struct arm_cti_object *obj;
+
+ if (argc != 1) {
+ Jim_WrongNumArgs(interp, 1, argv, "Too many parameters");
+ return JIM_ERR;
+ }
+ Jim_SetResult(interp, Jim_NewListObj(interp, NULL, 0));
+ list_for_each_entry(obj, &all_cti, lh) {
+ Jim_ListAppendElement(interp, Jim_GetResult(interp),
+ Jim_NewStringObj(interp, obj->name, -1));
+ }
+ return JIM_OK;
+}
+
+
+static const struct command_registration cti_subcommand_handlers[] = {
+ {
+ .name = "create",
+ .mode = COMMAND_ANY,
+ .jim_handler = jim_cti_create,
+ .usage = "name '-chain-position' name [options ...]",
+ .help = "Creates a new CTI object",
+ },
+ {
+ .name = "names",
+ .mode = COMMAND_ANY,
+ .jim_handler = jim_cti_names,
+ .usage = "",
+ .help = "Lists all registered CTI objects by name",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+static const struct command_registration cti_command_handlers[] = {
+ {
+ .name = "cti",
+ .mode = COMMAND_CONFIG,
+ .help = "CTI commands",
+ .chain = cti_subcommand_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+int cti_register_commands(struct command_context *cmd_ctx)
+{
+ return register_commands(cmd_ctx, NULL, cti_command_handlers);
+}
+
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