]>
git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_cpu.c
2 * Copyright (c) 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
13 static const char *cpu_feature_name
[CPU_FEAT_COUNT
] = {
18 static int print_cpu_list(bool detail
)
25 ret
= uclass_get(UCLASS_CPU
, &uc
);
27 printf("Cannot find CPU uclass\n");
30 uclass_foreach_dev(dev
, uc
) {
31 struct cpu_platdata
*plat
= dev_get_parent_platdata(dev
);
36 ret
= cpu_get_desc(dev
, buf
, sizeof(buf
));
37 printf("%3d: %-10s %s\n", dev
->seq
, dev
->name
,
38 ret
? "<no description>" : buf
);
41 ret
= cpu_get_info(dev
, &info
);
43 printf("\t(no detail available");
45 printf(": err=%d\n", ret
);
49 printf("\tID = %d, freq = ", plat
->cpu_id
);
50 print_freq(info
.cpu_freq
, "");
52 for (i
= 0; i
< CPU_FEAT_COUNT
; i
++) {
53 if (info
.features
& (1 << i
)) {
54 printf("%s%s", first
? ": " : ", ",
65 static int do_cpu_list(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *const argv
[])
67 if (print_cpu_list(false))
68 return CMD_RET_FAILURE
;
73 static int do_cpu_detail(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
76 if (print_cpu_list(true))
77 return CMD_RET_FAILURE
;
82 static cmd_tbl_t cmd_cpu_sub
[] = {
83 U_BOOT_CMD_MKENT(list
, 2, 1, do_cpu_list
, "", ""),
84 U_BOOT_CMD_MKENT(detail
, 4, 0, do_cpu_detail
, "", ""),
88 * Process a cpu sub-command
90 static int do_cpu(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
95 /* Strip off leading 'cpu' command argument */
100 c
= find_cmd_tbl(argv
[0], cmd_cpu_sub
, ARRAY_SIZE(cmd_cpu_sub
));
103 return c
->cmd(cmdtp
, flag
, argc
, argv
);
105 return CMD_RET_USAGE
;
110 "display information about CPUs",
111 "list - list available CPUs\n"
112 "cpu detail - show CPU detail"