diff options
author | Simon Glass <sjg@chromium.org> | 2016-01-17 20:53:52 -0700 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2016-01-25 10:39:43 -0500 |
commit | 2e192b245ed36a63bab0ef576999a95e23f60ecd (patch) | |
tree | ae6197f4a661aea2a19122d9862315695e3f1541 /cmd/cpu.c | |
parent | 72a8cf8dccf6f8b86d1683205e032a94eaa86938 (diff) |
Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
Diffstat (limited to 'cmd/cpu.c')
-rw-r--r-- | cmd/cpu.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/cmd/cpu.c b/cmd/cpu.c new file mode 100644 index 00000000000..b4af64f54f9 --- /dev/null +++ b/cmd/cpu.c @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <cpu.h> +#include <dm.h> +#include <errno.h> + +static const char *cpu_feature_name[CPU_FEAT_COUNT] = { + "L1 cache", + "MMU", +}; + +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); + struct cpu_info info; + bool first; + int i; + + ret = cpu_get_desc(dev, buf, sizeof(buf)); + printf("%3d: %-10s %s\n", dev->seq, dev->name, + ret ? "<no description>" : buf); + if (!detail) + continue; + ret = cpu_get_info(dev, &info); + if (ret) { + printf("\t(no detail available"); + if (ret != -ENOSYS) + printf(": err=%d\n", 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 ? ": " : ", ", + cpu_feature_name[i]); + first = false; + } + } + printf("\n"); + } + + return 0; +} + +static int do_cpu_list(cmd_tbl_t *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, + char *const argv[]) +{ + if (print_cpu_list(true)) + return CMD_RET_FAILURE; + + 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", + "list - list available CPUs\n" + "cpu detail - show CPU detail" +); |