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Subject[PATCH 05/60] microblaze_v4: Open firmware files2
Date
From: Michal Simek <monstr@monstr.eu>


Signed-off-by: Michal Simek <monstr@monstr.eu>
---
arch/microblaze/kernel/of_device.c | 42 +++++++++++++++++++++++++++++++++++
arch/microblaze/platform/platform.c | 31 +++++++++++++++++++++++++
2 files changed, 73 insertions(+), 0 deletions(-)
create mode 100644 arch/microblaze/kernel/of_device.c
create mode 100644 arch/microblaze/platform/platform.c
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
new file mode 100644
index 0000000..984d066
--- /dev/null
+++ b/arch/microblaze/kernel/of_device.c
@@ -0,0 +1,42 @@
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/slab.h>
+#include <linux/of_device.h>
+
+#include <asm/errno.h>
+
+void of_device_make_bus_id(struct of_device *dev)
+{
+ static atomic_t bus_no_reg_magic;
+ struct device_node *node = dev->node;
+ char *name = dev->dev.bus_id;
+ const u32 *reg;
+ u64 addr;
+ int magic;
+
+ /*
+ * For MMIO, get the physical address
+ */
+ reg = of_get_property(node, "reg", NULL);
+ if (reg) {
+ addr = of_translate_address(node, reg);
+ if (addr != OF_BAD_ADDR) {
+ snprintf(name, BUS_ID_SIZE,
+ "%llx.%s", (unsigned long long)addr,
+ node->name);
+ return;
+ }
+ }
+
+ /*
+ * No BusID, use the node name and add a globally incremented
+ * counter (and pray...)
+ */
+ magic = atomic_add_return(1, &bus_no_reg_magic);
+ snprintf(name, BUS_ID_SIZE, "%s.%d", node->name, magic - 1);
+}
+EXPORT_SYMBOL(of_device_make_bus_id);
diff --git a/arch/microblaze/platform/platform.c b/arch/microblaze/platform/platform.c
new file mode 100644
index 0000000..fa0edaf
--- /dev/null
+++ b/arch/microblaze/platform/platform.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2008 Michal Simek <monstr@monstr.eu>
+ *
+ * based on virtex.c file
+ *
+ * Copyright 2007 Secret Lab Technologies Ltd.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/init.h>
+#include <linux/of_platform.h>
+#include <asm/prom.h>
+
+static struct of_device_id xilinx_of_bus_ids[] __initdata = {
+ { .compatible = "simple-bus", },
+ { .compatible = "xlnx,plb-v46-1.00.a", },
+ { .compatible = "xlnx,opb-v20-1.10.c", },
+ { .compatible = "xlnx,opb-v20-1.10.b", },
+ { .compatible = "xlnx,compound", },
+ {}
+};
+
+int __init microblaze_device_probe(void)
+{
+ of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
+ return 0;
+}
+device_initcall(microblaze_device_probe);
--
1.5.4.GIT


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