From: Michal Simek <monstr@xxxxxxxxx> Signed-off-by: Michal Simek <monstr@xxxxxxxxx> --- 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@xxxxxxxxx> + * + * 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 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html