diff options
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 26 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/virtex.c | 60 |
3 files changed, 87 insertions, 0 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, +}; |