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authorMichel Stam <m.stam@fugro.nl>2014-04-07 12:01:20 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2014-04-08 08:17:55 +0200
commit4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0 (patch)
treeb3efb2fad02e4abe18ca0d0baefee5ebae6a3875 /commands/iomemport.c
parent0a5529d0edcd8c00a679c485f7266548851c6948 (diff)
downloadbarebox-4d94f56c6c5ba00d35d6b3e3a1862439b2ced3f0.tar.gz
common: Allow for I/O mapped I/O
Rework the current framework so that I/O mapped I/O resources are also possible. Signed-off-by: Michel Stam <michel@reverze.net> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'commands/iomemport.c')
-rw-r--r--commands/iomemport.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/commands/iomemport.c b/commands/iomemport.c
new file mode 100644
index 0000000..652708c
--- /dev/null
+++ b/commands/iomemport.c
@@ -0,0 +1,67 @@
+/*
+ * iomem.c - barebox iomem command
+ *
+ * Copyright (c) 2011 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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 <asm/io.h>
+#include <common.h>
+#include <command.h>
+
+static void __print_resources(struct resource *res, int indent)
+{
+ struct resource *r;
+ int i;
+
+ for (i = 0; i < indent; i++)
+ printf(" ");
+
+ printf(PRINTF_CONVERSION_RESOURCE " - " PRINTF_CONVERSION_RESOURCE
+ " (size " PRINTF_CONVERSION_RESOURCE ") %s\n",
+ res->start, res->end, resource_size(res), res->name);
+
+ list_for_each_entry(r, &res->children, sibling)
+ __print_resources(r, indent + 1);
+}
+
+static void print_resources(struct resource *res)
+{
+ __print_resources(res, 0);
+}
+
+static int do_iomem(int argc, char *argv[])
+{
+ print_resources(&iomem_resource);
+
+ return 0;
+}
+
+BAREBOX_CMD_START(iomem)
+ .cmd = do_iomem,
+ .usage = "show iomem usage",
+BAREBOX_CMD_END
+
+#if IO_SPACE_LIMIT > 0
+static int do_ioport(int argc, char *argv[])
+{
+ print_resources(&ioport_resource);
+
+ return 0;
+}
+
+BAREBOX_CMD_START(ioport)
+ .cmd = do_ioport,
+ .usage = "show ioport usage",
+BAREBOX_CMD_END
+#endif