mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 15:26:03 +09:00
689ca8c5d1
Update depth only when clock uclass is found to have correct display of command "clk dump". Without this patch, the displayed depth is the binding depth for all the uclass and that can be strange as only clock uclass nodes are displayed. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
120 lines
2.3 KiB
C
120 lines
2.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2013 Xilinx, Inc.
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*/
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#include <common.h>
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#include <command.h>
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#include <clk.h>
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#if defined(CONFIG_DM) && defined(CONFIG_CLK)
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#include <dm.h>
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#include <dm/device.h>
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#include <dm/root.h>
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#include <dm/device-internal.h>
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#include <linux/clk-provider.h>
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#endif
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#if defined(CONFIG_DM) && defined(CONFIG_CLK)
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static void show_clks(struct udevice *dev, int depth, int last_flag)
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{
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int i, is_last;
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struct udevice *child;
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struct clk *clkp;
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u32 rate;
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clkp = dev_get_clk_ptr(dev);
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if (device_get_uclass_id(dev) == UCLASS_CLK && clkp) {
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depth++;
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rate = clk_get_rate(clkp);
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printf(" %-12u %8d ", rate, clkp->enable_count);
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for (i = depth; i >= 0; i--) {
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is_last = (last_flag >> i) & 1;
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if (i) {
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if (is_last)
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printf(" ");
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else
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printf("| ");
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} else {
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if (is_last)
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printf("`-- ");
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else
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printf("|-- ");
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}
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}
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printf("%s\n", dev->name);
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}
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list_for_each_entry(child, &dev->child_head, sibling_node) {
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is_last = list_is_last(&child->sibling_node, &dev->child_head);
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show_clks(child, depth, (last_flag << 1) | is_last);
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}
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}
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int __weak soc_clk_dump(void)
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{
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struct udevice *root;
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root = dm_root();
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if (root) {
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printf(" Rate Usecnt Name\n");
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printf("------------------------------------------\n");
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show_clks(root, -1, 0);
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}
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return 0;
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}
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#else
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int __weak soc_clk_dump(void)
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{
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puts("Not implemented\n");
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return 1;
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}
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#endif
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static int do_clk_dump(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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int ret;
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ret = soc_clk_dump();
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if (ret < 0) {
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printf("Clock dump error %d\n", ret);
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ret = CMD_RET_FAILURE;
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}
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return ret;
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}
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static struct cmd_tbl cmd_clk_sub[] = {
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U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""),
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};
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static int do_clk(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *c;
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if (argc < 2)
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return CMD_RET_USAGE;
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/* Strip off leading 'clk' command argument */
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argc--;
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argv++;
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c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char clk_help_text[] =
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"dump - Print clock frequencies";
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#endif
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U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text);
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