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authorGrant Likely <grant.likely@secretlab.ca>2007-10-02 04:15:29 +0200
committerJosh Boyer <jwboyer@linux.vnet.ibm.com>2007-10-03 14:23:14 +0200
commit486ba7e6418b69143701f6772e8864d9299178b8 (patch)
treed6790c6041ce781fdf76d5b3e3b48156406a9d78 /arch/powerpc/platforms/40x
parent[POWERPC] Virtex: add xilinx interrupt controller driver (diff)
downloadlinux-486ba7e6418b69143701f6772e8864d9299178b8.tar.xz
linux-486ba7e6418b69143701f6772e8864d9299178b8.zip
[POWERPC] Virtex: Add generic Xilinx Virtex board support
Adds support for generic Xilinx Virtex boards. Any board which specifies "xilinx,virtex" in the compatible property will make use of this board support. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch/powerpc/platforms/40x')
-rw-r--r--arch/powerpc/platforms/40x/Makefile1
-rw-r--r--arch/powerpc/platforms/40x/virtex.c50
2 files changed, 51 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/40x/Makefile b/arch/powerpc/platforms/40x/Makefile
index e6c0bbd063a4..0a3cfe99a7ed 100644
--- a/arch/powerpc/platforms/40x/Makefile
+++ b/arch/powerpc/platforms/40x/Makefile
@@ -1 +1,2 @@
obj-$(CONFIG_WALNUT) += walnut.o
+obj-$(CONFIG_XILINX_VIRTEX_GENERIC_BOARD) += virtex.o
diff --git a/arch/powerpc/platforms/40x/virtex.c b/arch/powerpc/platforms/40x/virtex.c
new file mode 100644
index 000000000000..b52aa94abd78
--- /dev/null
+++ b/arch/powerpc/platforms/40x/virtex.c
@@ -0,0 +1,50 @@
+/*
+ * Xilinx Virtex (IIpro & 4FX) based board support
+ *
+ * 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/machdep.h>
+#include <asm/prom.h>
+#include <asm/time.h>
+#include <asm/xilinx_intc.h>
+
+static int __init virtex_device_probe(void)
+{
+ if (!machine_is(virtex))
+ return 0;
+
+ of_platform_bus_probe(NULL, NULL, NULL);
+
+ return 0;
+}
+device_initcall(virtex_device_probe);
+
+static int __init virtex_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "xilinx,virtex"))
+ return 0;
+
+ return 1;
+}
+
+static void __init virtex_setup_arch(void)
+{
+}
+
+define_machine(virtex) {
+ .name = "Xilinx Virtex",
+ .probe = virtex_probe,
+ .setup_arch = virtex_setup_arch,
+ .init_IRQ = xilinx_intc_init_tree,
+ .get_irq = xilinx_intc_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+};