diff options
| author | Tom Rini <trini@konsulko.com> | 2024-08-02 14:40:59 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-08-02 14:40:59 -0600 |
| commit | 6becf9ba1ab82af6f4fcf9f4d0da38f9c75212d2 (patch) | |
| tree | d684ddd8650880d0792445481c4e7e289fa2e473 /cmd/cpu.c | |
| parent | a70d991212c9684e09ed80ece69ce1ff7bfd9f08 (diff) | |
| parent | 0ee02e1c252da85a6ac75865ca33accde69072b7 (diff) | |
Merge tag 'u-boot-imx-master-20240802' of https://gitlab.denx.de/u-boot/custodians/u-boot-imx
CI: https://source.denx.de/u-boot/custodians/u-boot-imx/-/pipelines/21846
- Convert warp7 to OF_UPSTREAM.
- Add 'cpu' command to imx8m and imx93.
- Enable CMD_ERASEENV for imx8mm/mp Phytec boards.
Diffstat (limited to 'cmd/cpu.c')
| -rw-r--r-- | cmd/cpu.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/cmd/cpu.c b/cmd/cpu.c index 9e323069b9e..27552507564 100644 --- a/cmd/cpu.c +++ b/cmd/cpu.c @@ -3,6 +3,7 @@ * Copyright (c) 2015 Google, Inc * Written by Simon Glass <sjg@chromium.org> * Copyright (c) 2017 Álvaro Fernández Rojas <noltari@gmail.com> + * Copyright 2024 NXP */ #include <command.h> @@ -18,6 +19,19 @@ static const char *cpu_feature_name[CPU_FEAT_COUNT] = { "Device ID", }; +static struct udevice *cpu_find_device(unsigned long cpu_id) +{ + struct udevice *dev; + + for (uclass_first_device(UCLASS_CPU, &dev); dev; + uclass_next_device(&dev)) { + if (cpu_id == dev_seq(dev)) + return dev; + } + + return NULL; +} + static int print_cpu_list(bool detail) { struct udevice *dev; @@ -82,10 +96,36 @@ static int do_cpu_detail(struct cmd_tbl *cmdtp, int flag, int argc, return 0; } +static int do_cpu_release(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + struct udevice *dev; + unsigned long cpu_id; + unsigned long long boot_addr; + + if (argc != 3) + return CMD_RET_USAGE; + + cpu_id = dectoul(argv[1], NULL); + dev = cpu_find_device(cpu_id); + if (!dev) + return CMD_RET_FAILURE; + + boot_addr = simple_strtoull(argv[2], NULL, 16); + + if (cpu_release_core(dev, boot_addr)) + return CMD_RET_FAILURE; + + return 0; +} + U_BOOT_LONGHELP(cpu, "list - list available CPUs\n" - "cpu detail - show CPU detail"); + "cpu detail - show CPU detail\n" + "cpu release <core ID> <addr> - Release CPU <core ID> at <addr>\n" + " <core ID>: the sequence number in list subcommand outputs"); 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)); + U_BOOT_SUBCMD_MKENT(detail, 1, 0, do_cpu_detail), + U_BOOT_SUBCMD_MKENT(release, 3, 0, do_cpu_release)); |