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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 11:54:57 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-15 11:54:57 +1000
commit930074b6b9c4895d20cdadba5aff97907e28728d (patch)
tree3725eca121188f2e9c3b8bb4d4b8ba35e92640c7 /arch/powerpc/platforms
parent3fd44736db9a5bf33e4a216b9cd43c9cfd57c459 (diff)
parent2bf3016f89344d4cd8b2c96bbec2b642a2bde413 (diff)
Merge commit 'jwb/jwb-next'
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/44x/Kconfig26
-rw-r--r--arch/powerpc/platforms/44x/Makefile1
-rw-r--r--arch/powerpc/platforms/44x/virtex.c60
-rw-r--r--arch/powerpc/platforms/44x/warp-nand.c9
4 files changed, 94 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index bee49ca704e..249ba01c667 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -111,6 +111,22 @@ config YOSEMITE
# help
# This option enables support for the IBM PPC440GX evaluation board.
+config XILINX_VIRTEX440_GENERIC_BOARD
+ bool "Generic Xilinx Virtex 440 board"
+ depends on 44x
+ default n
+ select XILINX_VIRTEX_5_FXT
+ help
+ This option enables generic support for Xilinx Virtex based boards
+ that use a 440 based processor in the Virtex 5 FXT FPGA architecture.
+
+ The generic virtex board support matches any device tree which
+ specifies 'xlnx,virtex440' in its compatible field. This includes
+ the Xilinx ML5xx reference designs using the powerpc core.
+
+ Most Virtex 5 designs should use this unless it needs to do some
+ special configuration at board probe time.
+
# 44x specific CPU modules, selected based on the board above.
config 440EP
bool
@@ -161,3 +177,13 @@ config 460EX
# 44x errata/workaround config symbols, selected by the CPU models above
config IBM440EP_ERR42
bool
+
+# Xilinx specific config options.
+config XILINX_VIRTEX
+ bool
+
+# Xilinx Virtex 5 FXT FPGA architecture, selected by a Xilinx board above
+config XILINX_VIRTEX_5_FXT
+ bool
+ select XILINX_VIRTEX
+
diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 4e71e77f9a2..8d0b1a192d6 100644
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_RAINIER) += rainier.o
obj-$(CONFIG_WARP) += warp.o
obj-$(CONFIG_WARP) += warp-nand.o
obj-$(CONFIG_CANYONLANDS) += canyonlands.o
+obj-$(CONFIG_XILINX_VIRTEX_5_FXT) += virtex.o
diff --git a/arch/powerpc/platforms/44x/virtex.c b/arch/powerpc/platforms/44x/virtex.c
new file mode 100644
index 00000000000..68637faf70a
--- /dev/null
+++ b/arch/powerpc/platforms/44x/virtex.c
@@ -0,0 +1,60 @@
+/*
+ * Xilinx Virtex 5FXT based board support, derived from
+ * the Xilinx Virtex (IIpro & 4FX) based board support
+ *
+ * Copyright 2007 Secret Lab Technologies Ltd.
+ * Copyright 2008 Xilinx, Inc.
+ *
+ * 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>
+#include <asm/reg.h>
+#include <asm/ppc4xx.h>
+#include "44x.h"
+
+static struct of_device_id xilinx_of_bus_ids[] __initdata = {
+ { .compatible = "simple-bus", },
+ { .compatible = "xlnx,plb-v46-1.00.a", },
+ { .compatible = "xlnx,plb-v46-1.02.a", },
+ { .compatible = "xlnx,plb-v34-1.01.a", },
+ { .compatible = "xlnx,plb-v34-1.02.a", },
+ { .compatible = "xlnx,opb-v20-1.10.c", },
+ { .compatible = "xlnx,dcr-v29-1.00.a", },
+ { .compatible = "xlnx,compound", },
+ {}
+};
+
+static int __init virtex_device_probe(void)
+{
+ of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(virtex, virtex_device_probe);
+
+static int __init virtex_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "xlnx,virtex440"))
+ return 0;
+
+ return 1;
+}
+
+define_machine(virtex) {
+ .name = "Xilinx Virtex440",
+ .probe = virtex_probe,
+ .init_IRQ = xilinx_intc_init_tree,
+ .get_irq = xilinx_intc_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+ .restart = ppc4xx_reset_system,
+};
diff --git a/arch/powerpc/platforms/44x/warp-nand.c b/arch/powerpc/platforms/44x/warp-nand.c
index 7bec2815771..e55746b824b 100644
--- a/arch/powerpc/platforms/44x/warp-nand.c
+++ b/arch/powerpc/platforms/44x/warp-nand.c
@@ -113,9 +113,14 @@ static int warp_setup_nand_flash(void)
pp = of_find_property(np, "reg", NULL);
if (pp && (pp->length == 12)) {
u32 *v = pp->value;
- if (v[2] == 0x4000000)
+ if (v[2] == 0x4000000) {
/* Rev A = 64M NAND */
- warp_nand_chip0.nr_partitions = 2;
+ warp_nand_chip0.nr_partitions = 3;
+
+ nand_parts[1].size = 0x3000000;
+ nand_parts[2].offset = 0x3200000;
+ nand_parts[2].size = 0x0e00000;
+ }
}
of_node_put(np);
}