cmd: set: Add support for set command

Add support for set command that allows for configuring frequency
for a clock.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

diff --git a/Makefile b/Makefile
index a0614f8b5e2d9be799f4d085decc04ceaeb59d55..5a2d1d0a5c82d5ef27d654188711e60552322f69 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -69,7 +69,8 @@ COMMONSOURCES=\
                common/cmd_show.c \
                common/cmd_dump.c \
                common/cmd_enable.c \
-               common/cmd_disable.c
+               common/cmd_disable.c \
+               common/cmd_set.c
 
 AM65XSOURCES =\
              soc/am65x/am65x_host_info.c \

diff --git a/common/cmd_set.c b/common/cmd_set.c
new file mode 100644 (file)
index 0000000..0a63c78
--- /dev/null
+++ b/common/cmd_set.c
@@ -0,0 +1,97 @@
+/*
+ * K3CONF Command Set
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ *     Lokesh Vutla <lokeshvutla@ti.com>
+ *
+ *  Redistribution and use in source and binary forms, with or without
+ *  modification, are permitted provided that the following conditions
+ *  are met:
+ *
+ *    Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ *    Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the
+ *    distribution.
+ *
+ *    Neither the name of Texas Instruments Incorporated nor the names of
+ *    its contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <tisci.h>
+#include <socinfo.h>
+#include <help.h>
+#include <k3conf.h>
+
+static int set_clock(int argc, char *argv[])
+{
+       uint32_t dev_id, clk_id, ret;
+       uint64_t freq;
+
+       if (argc < 3)
+               return -1;
+
+       ret = sscanf(argv[0], "%u", &dev_id);
+       if (ret != 1)
+               return -1;
+
+       ret = sscanf(argv[1], "%u", &clk_id);
+       if (ret != 1)
+               return -1;
+
+       ret = sscanf(argv[2], "%lu", &freq);
+       if (ret != 1)
+               return -1;
+
+       ret = ti_sci_cmd_set_clk_freq(dev_id, clk_id, freq);
+       if (ret)
+               return ret;
+
+       return dump_clocks_info(argc, argv);
+}
+
+int process_set_command(int argc, char *argv[])
+{
+       int ret;
+
+       if (argc < 1) {
+               help(HELP_SET);
+               return -1;
+       }
+
+       if (!strncmp(argv[0], "clock", 5)) {
+               argc--;
+               argv++;
+               ret = set_clock(argc, argv);
+               if (ret) {
+                       fprintf(stderr, "Invalid clock arguments\n");
+                       help(HELP_SET_CLOCK);
+               }
+       } else if (!strcmp(argv[0], "--help")) {
+               help(HELP_SET);
+               return 0;
+       } else {
+               fprintf(stderr, "Invalid argument %s\n", argv[1]);
+               help(HELP_SET);
+               return -1;
+       }
+       return ret;
+}

diff --git a/common/help.c b/common/help.c
index 8589b56d7c9b58590fc8e2b485de3eec1e8af24c..39055ece7f581cb10485d6b2863d62a84f56bac8 100644 (file)
--- a/common/help.c
+++ b/common/help.c
@@ -151,4 +151,9 @@ void help(help_category cat)
                printf("\n\tk3conf disable clock <dev_id> <clk_id>\n");
                printf("\t      Disables the TISCI clock and prints the status\n");
        }
+       if ((cat == HELP_ALL) || (cat == HELP_SET) ||
+           (cat == HELP_SET_CLOCK)) {
+               printf("\n\tk3conf set clock <dev_id> <clk_id> <freq>\n");
+               printf("\t      Sets the clock frequency and prints the status\n");
+       }
 }

diff --git a/common/k3conf.c b/common/k3conf.c
index bc5370f812c2f81c83ddea39fb5a66b652350d78..898c1c41cb021fd4d2fd131a251353f3d5d667db 100644 (file)
--- a/common/k3conf.c
+++ b/common/k3conf.c
@@ -130,6 +130,11 @@ int main(int argc, char *argv[])
                argv++;
                k3conf_print_version(stdout);
                return process_disable_command(argc, argv);
+       } else if (!strcmp(argv[0], "set")) {
+               argc--;
+               argv++;
+               k3conf_print_version(stdout);
+               return process_set_command(argc, argv);
        } else {
                fprintf(stderr, "Invalid argument %s", argv[0]);
                help(HELP_USAGE);

diff --git a/include/help.h b/include/help.h
index 7e36d016e32bdd4375e512d084355929670611fc..930d62816162cd0903445609fb172f7726a193af 100644 (file)
--- a/include/help.h
+++ b/include/help.h
@@ -54,6 +54,8 @@ typedef enum {
        HELP_DISABLE,
        HELP_DISABLE_DEVICE,
        HELP_DISABLE_CLOCK,
+       HELP_SET,
+       HELP_SET_CLOCK,
        HELP_ALL,
        HELP_CATEGORY_MAX,
 } help_category;

diff --git a/include/k3conf.h b/include/k3conf.h
index 378e4a2dafbb0a63aea3081eaea060b23b99275a..af34025cf0b9efb0806d1f6967151a50978f6cb8 100644 (file)
--- a/include/k3conf.h
+++ b/include/k3conf.h
@@ -50,4 +50,5 @@ int dump_devices_info(int argc, char *argv[]);
 int dump_cpu_info(void);
 int process_enable_command(int argc, char *argv[]);
 int process_disable_command(int argc, char *argv[]);
+int process_set_command(int argc, char *argv[]);
 #endif