From e169cfbef46d62e042614ffafa8880eed1d894bb Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Mon, 23 Nov 2009 14:53:09 -0700 Subject: of/flattree: merge find_flat_dt_string and initial_boot_params Merge common code between Microblaze and PowerPC. Signed-off-by: Grant Likely Reviewed-by: Wolfram Sang Tested-by: Michal Simek --- drivers/of/Kconfig | 4 ++++ drivers/of/Makefile | 1 + drivers/of/fdt.c | 21 +++++++++++++++++++++ 3 files changed, 26 insertions(+) create mode 100644 drivers/of/fdt.c (limited to 'drivers/of') diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index d2fa27c5c1b..462825e0312 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -1,3 +1,7 @@ +config OF_FLATTREE + bool + depends on OF + config OF_DEVICE def_bool y depends on OF && (SPARC || PPC_OF || MICROBLAZE) diff --git a/drivers/of/Makefile b/drivers/of/Makefile index bdfb5f5d4b0..f232cc98ce0 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -1,4 +1,5 @@ obj-y = base.o +obj-$(CONFIG_OF_FLATTREE) += fdt.o obj-$(CONFIG_OF_DEVICE) += device.o platform.o obj-$(CONFIG_OF_GPIO) += gpio.o obj-$(CONFIG_OF_I2C) += of_i2c.o diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c new file mode 100644 index 00000000000..9faa9a5cbdf --- /dev/null +++ b/drivers/of/fdt.c @@ -0,0 +1,21 @@ +/* + * Functions for working with the Flattened Device Tree data format + * + * Copyright 2009 Benjamin Herrenschmidt, IBM Corp + * benh@kernel.crashing.org + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include +#include + +struct boot_param_header *initial_boot_params; + +char *find_flat_dt_string(u32 offset) +{ + return ((char *)initial_boot_params) + + initial_boot_params->off_dt_strings + offset; +} -- cgit v1.2.3