diff options
Diffstat (limited to 'drivers/sysreset')
| -rw-r--r-- | drivers/sysreset/Kconfig | 8 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset-uclass.c | 37 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/sysreset/Kconfig b/drivers/sysreset/Kconfig index 16ef434a8d9..f589ad15418 100644 --- a/drivers/sysreset/Kconfig +++ b/drivers/sysreset/Kconfig @@ -49,6 +49,14 @@ config SYSRESET_CMD_RESET help Enable sysreset implementation of the reset command. +config SYSRESET_CMD_RESET_ARGS + bool "Enable reset command to take arguments" + help + Pass on the arguments received by the 'reset' command to the + sysreset driver(s). The sysreset driver(s) may make use of the + additional arguments for implementing arch/board specific + functionality. + if CMD_POWEROFF config SYSRESET_CMD_POWEROFF diff --git a/drivers/sysreset/sysreset-uclass.c b/drivers/sysreset/sysreset-uclass.c index 536ac727142..f25e09e9cd0 100644 --- a/drivers/sysreset/sysreset-uclass.c +++ b/drivers/sysreset/sysreset-uclass.c @@ -32,6 +32,18 @@ int sysreset_request(struct udevice *dev, enum sysreset_t type) return ops->request(dev, type); } +#if IS_ENABLED(CONFIG_SYSRESET_CMD_RESET_ARGS) +int sysreset_request_arg(struct udevice *dev, int argc, char * const argv[]) +{ + struct sysreset_ops *ops = sysreset_get_ops(dev); + + if (!ops->request_arg) + return -ENOSYS; + + return ops->request_arg(dev, argc, argv); +} +#endif /* CONFIG_SYSRESET_CMD_RESET_ARGS */ + int sysreset_get_status(struct udevice *dev, char *buf, int size) { struct sysreset_ops *ops = sysreset_get_ops(dev); @@ -71,6 +83,26 @@ int sysreset_walk(enum sysreset_t type) return ret; } +#if IS_ENABLED(CONFIG_SYSRESET_CMD_RESET_ARGS) +int sysreset_walk_arg(int argc, char * const argv[]) +{ + struct udevice *dev; + int ret = -ENOSYS; + + while (ret != -EINPROGRESS && ret != -EPROTONOSUPPORT) { + for (uclass_first_device(UCLASS_SYSRESET, &dev); + dev; + uclass_next_device(&dev)) { + ret = sysreset_request_arg(dev, argc, argv); + if (ret == -EINPROGRESS || ret == -EPROTONOSUPPORT) + break; + } + } + + return ret; +} +#endif /* CONFIG_SYSRESET_CMD_RESET_ARGS */ + int sysreset_get_last_walk(void) { struct udevice *dev; @@ -132,6 +164,11 @@ int do_reset(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) printf("resetting ...\n"); mdelay(100); +#if IS_ENABLED(CONFIG_SYSRESET_CMD_RESET_ARGS) + if (argc > 1 && sysreset_walk_arg(argc, argv) == -EINPROGRESS) + return 0; +#endif + sysreset_walk_halt(reset_type); return 0; |