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