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cmd/pmc.c
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// SPDX-License-Identifier: GPL-2.0 /* * Intel PMC command * * Copyright 2019 Google LLC */ #include <common.h> #include <command.h> #include <dm.h> #include <power/acpi_pmc.h> static int get_pmc_dev(struct udevice **devp) { struct udevice *dev; int ret; ret = uclass_first_device_err(UCLASS_ACPI_PMC, &dev); if (ret) { printf("Could not find device (err=%d) ", ret); return ret; } ret = pmc_init(dev); if (ret) { printf("Could not init device (err=%d) ", ret); return ret; } *devp = dev; return 0; } static int do_pmc_init(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { struct udevice *dev; int ret; ret = get_pmc_dev(&dev); if (ret) return CMD_RET_FAILURE; return 0; } static int do_pmc_info(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { struct udevice *dev; int ret; ret = get_pmc_dev(&dev); if (ret) return CMD_RET_FAILURE; pmc_dump_info(dev); return 0; } static cmd_tbl_t cmd_pmc_sub[] = { U_BOOT_CMD_MKENT(init, 0, 1, do_pmc_init, "", ""), U_BOOT_CMD_MKENT(info, 0, 1, do_pmc_info, "", ""), }; static int do_pmc(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { const cmd_tbl_t *cp; if (argc < 2) /* no subcommand */ return cmd_usage(cmdtp); cp = find_cmd_tbl(argv[1], &cmd_pmc_sub[0], ARRAY_SIZE(cmd_pmc_sub)); if (!cp) return CMD_RET_USAGE; return cp->cmd(cmdtp, flag, argc, argv); } U_BOOT_CMD( pmc, 2, 1, do_pmc, "Power-management controller info", "info - read state and show info about the PMC " "pmc init - read state from the PMC " ); |