+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
+ * Copyright (c) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
*/
#include <common.h>
#include <command.h>
#include <cpu.h>
+#include <display_options.h>
#include <dm.h>
#include <errno.h>
static int print_cpu_list(bool detail)
{
struct udevice *dev;
- struct uclass *uc;
char buf[100];
- int ret;
- ret = uclass_get(UCLASS_CPU, &uc);
- if (ret) {
- printf("Cannot find CPU uclass\n");
- return ret;
- }
- uclass_foreach_dev(dev, uc) {
- struct cpu_platdata *plat = dev_get_parent_platdata(dev);
+ for (uclass_first_device(UCLASS_CPU, &dev);
+ dev;
+ uclass_next_device(&dev)) {
+ struct cpu_plat *plat = dev_get_parent_plat(dev);
struct cpu_info info;
- bool first;
- int i;
+ bool first = true;
+ int ret, i;
ret = cpu_get_desc(dev, buf, sizeof(buf));
- printf("%3d: %-10s %s\n", dev->seq, dev->name,
+ printf("%3d: %-10s %s\n", dev_seq(dev), dev->name,
ret ? "<no description>" : buf);
if (!detail)
continue;
if (ret) {
printf("\t(no detail available");
if (ret != -ENOSYS)
- printf(": err=%d\n", ret);
+ printf(": err=%d", ret);
printf(")\n");
continue;
}
printf("\tID = %d, freq = ", plat->cpu_id);
print_freq(info.cpu_freq, "");
- first = true;
for (i = 0; i < CPU_FEAT_COUNT; i++) {
if (info.features & (1 << i)) {
printf("%s%s", first ? ": " : ", ",
}
}
printf("\n");
- if (info.features & (1 << CPU_FEAT_UCODE)) {
+ if (info.features & (1 << CPU_FEAT_UCODE))
printf("\tMicrocode version %#x\n",
plat->ucode_version);
- }
if (info.features & (1 << CPU_FEAT_DEVICE_ID))
printf("\tDevice ID %#lx\n", plat->device_id);
}
return 0;
}
-static int do_cpu_list(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_cpu_list(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
if (print_cpu_list(false))
return CMD_RET_FAILURE;
return 0;
}
-static int do_cpu_detail(cmd_tbl_t *cmdtp, int flag, int argc,
+static int do_cpu_detail(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
if (print_cpu_list(true))
return 0;
}
-static cmd_tbl_t cmd_cpu_sub[] = {
- U_BOOT_CMD_MKENT(list, 2, 1, do_cpu_list, "", ""),
- U_BOOT_CMD_MKENT(detail, 4, 0, do_cpu_detail, "", ""),
-};
-
-/*
- * Process a cpu sub-command
- */
-static int do_cpu(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
-{
- cmd_tbl_t *c = NULL;
-
- /* Strip off leading 'cpu' command argument */
- argc--;
- argv++;
-
- if (argc)
- c = find_cmd_tbl(argv[0], cmd_cpu_sub, ARRAY_SIZE(cmd_cpu_sub));
-
- if (c)
- return c->cmd(cmdtp, flag, argc, argv);
- else
- return CMD_RET_USAGE;
-}
-
-U_BOOT_CMD(
- cpu, 2, 1, do_cpu,
- "display information about CPUs",
+#if CONFIG_IS_ENABLED(SYS_LONGHELP)
+static char cpu_help_text[] =
"list - list available CPUs\n"
"cpu detail - show CPU detail"
-);
+ ;
+#endif
+
+U_BOOT_CMD_WITH_SUBCMDS(cpu, "display information about CPUs", cpu_help_text,
+ U_BOOT_SUBCMD_MKENT(list, 1, 1, do_cpu_list),
+ U_BOOT_SUBCMD_MKENT(detail, 1, 0, do_cpu_detail));