commands: add 'lspci' command

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 52 insertions, 0 deletions

diff --git a/commands/lspci.c b/commands/lspci.c
new file mode 100644
index 0000000000..c00b57f894
--- /dev/null
+++ b/commands/lspci.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2011-2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <complete.h>
+#include <linux/pci.h>
+
+static int do_lspci(int argc, char *argv[])
+{
+	struct pci_bus *root_bus;
+	struct pci_dev *dev;
+
+	if (list_empty(&pci_root_buses)) {
+		printf("No PCI bus detected\n");
+		return 1;
+	}
+
+	list_for_each_entry(root_bus, &pci_root_buses, node) {
+		list_for_each_entry(dev, &root_bus->devices, bus_list) {
+			printf("%02x: %04x: %04x:%04x (rev %02x)\n",
+				      dev->devfn,
+				      (dev->class >> 8) & 0xffff,
+				      dev->vendor,
+				      dev->device,
+				      dev->revision);
+		}
+	}
+
+	return 0;
+}
+
+BAREBOX_CMD_START(lspci)
+	.cmd            = do_lspci,
+	BAREBOX_CMD_DESC("Show PCI info")
+	BAREBOX_CMD_GROUP(CMD_GRP_INFO)
+	BAREBOX_CMD_COMPLETE(empty_complete)
+BAREBOX_CMD_END