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From: Alexander Aring <alex.aring@gmail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 13/37] of: Add initrd helper
Date: Mon, 4 Mar 2013 13:01:56 +0100	[thread overview]
Message-ID: <20130304120121.GA852@x61s.8.8.8.8> (raw)
In-Reply-To: <1362390820-10333-14-git-send-email-s.hauer@pengutronix.de>

Hi Sascha,

On Mon, Mar 04, 2013 at 10:53:16AM +0100, Sascha Hauer wrote:
> Add a helper to set the initrd properties in the unflattened tree.
> 
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---
>  drivers/of/base.c |   39 +++++++++++++++++++++++++++++++++++++++
>  include/of.h      |    3 +++
>  2 files changed, 42 insertions(+)
> 
> diff --git a/drivers/of/base.c b/drivers/of/base.c
> index 721db29..4dbe11e 100644
> --- a/drivers/of/base.c
> +++ b/drivers/of/base.c
> @@ -1201,3 +1201,42 @@ int of_device_is_stdout_path(struct device_d *dev)
>  
>  	return 0;
>  }
> +
> +/**
> + * of_add_initrd - add initrd properties to the devicetree
> + * @root - the root node of the tree
> + * @start - physical start address of the initrd image
> + * @end - physical end address of the initrd image
> + *
> + * Add initrd properties to the devicetree, or, if end is 0,
> + * delete them.
> + */
> +int of_add_initrd(struct device_node *root, resource_size_t start,
> +		resource_size_t end)
> +{
> +	struct device_node *chosen;
> +	__be32 buf[2];
> +
> +	chosen = of_find_node_by_path(root, "/chosen");
> +	if (!chosen)
> +		return -EINVAL;
> +
> +	if (end) {

Perhaps it's better here to check on (start && end) instead of end
address only.

Similar in "[PATCH 35/37] ARM bootm: Switch initrd support to unflattened
tree" at "of_add_reserve_entry(initrd_start, initrd_end);".

Regards
Alex

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  reply	other threads:[~2013-03-04 12:03 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-04  9:53 [PATCH v2] remove libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 01/37] of: unflatten: allocate root node explicitly Sascha Hauer
2013-03-04  9:53 ` [PATCH 02/37] of: export of_find_child Sascha Hauer
2013-03-04  9:53 ` [PATCH 03/37] of: removed unused variables Sascha Hauer
2013-03-04  9:53 ` [PATCH 04/37] of: Let of_find_node_by_path iterate over tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 05/37] of: remove allnodes list Sascha Hauer
2013-03-04  9:53 ` [PATCH 06/37] ARM bootm: Use of_get_fixed_tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 07/37] of: Add of_set_property and of_create_node Sascha Hauer
2013-03-04  9:53 ` [PATCH 08/37] of_node command: use of_create_node Sascha Hauer
2013-03-04  9:53 ` [PATCH 09/37] of: Add missing prototype for of_device_is_compatible Sascha Hauer
2013-03-04  9:53 ` [PATCH 10/37] of: let of_unflatten_dtb return the unflattened tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 11/37] of: Add root node argument to of_find_node_by_path Sascha Hauer
2013-03-04  9:53 ` [PATCH 12/37] of: Add of_write_number helper Sascha Hauer
2013-03-04  9:53 ` [PATCH 13/37] of: Add initrd helper Sascha Hauer
2013-03-04 12:01   ` Alexander Aring [this message]
2013-03-04  9:53 ` [PATCH 14/37] of: make unflatten independent of libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 15/37] of: make flatten " Sascha Hauer
2013-03-04  9:53 ` [PATCH 16/37] of/fdt: use optimized endianess conversion Sascha Hauer
2013-03-04  9:53 ` [PATCH 17/37] oftree command: Use of_print_nodes Sascha Hauer
2013-03-04  9:53 ` [PATCH 18/37] of: move OFTREE Kconfig option to drivers/of/ Sascha Hauer
2013-03-04  9:53 ` [PATCH 19/37] of: make OFDEVICE a user selectable option Sascha Hauer
2013-03-04  9:53 ` [PATCH 20/37] oftree command: retire CMD_OFTREE_PROBE Kconfig option Sascha Hauer
2013-03-04  9:53 ` [PATCH 21/37] of: move oftree Kconfig to the top of the drivers menu Sascha Hauer
2013-03-04  9:53 ` [PATCH 22/37] of: Pass barebox internal format devicetree to of_get_fixed_tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 23/37] bootm: Use of_print_nodes instead of fdt_print Sascha Hauer
2013-03-04  9:53 ` [PATCH 24/37] of: move flat devicetree functions to separate file Sascha Hauer
2013-03-04  9:53 ` [PATCH 25/37] of: Add of property write functions for u32 Sascha Hauer
2013-03-04  9:53 ` [PATCH 26/37] of: make value of property in of_new_property optional Sascha Hauer
2013-03-04  9:53 ` [PATCH 27/37] of: Add missing prototype for size/address counting functions Sascha Hauer
2013-03-04  9:53 ` [PATCH 28/37] of: fixup unflattened devicetree Sascha Hauer
2013-03-04  9:53 ` [PATCH 29/37] of_* commands: print usage when insufficient arguments are given Sascha Hauer
2013-03-04  9:53 ` [PATCH 30/37] of_property command: Fix crash with empty property value Sascha Hauer
2013-03-04  9:53 ` [PATCH 31/37] ARM: bootm: rework concatenated oftree Sascha Hauer
2013-03-04  9:53 ` [PATCH 32/37] of: memory: Use of_write_number Sascha Hauer
2013-03-04  9:53 ` [PATCH 33/37] of: Add reservemap handling Sascha Hauer
2013-03-04  9:53 ` [PATCH 34/37] bootm: Pass unflattened devicetree to handlers Sascha Hauer
2013-03-04  9:53 ` [PATCH 35/37] ARM bootm: Switch initrd support to unflattened tree Sascha Hauer
2013-03-04  9:53 ` [PATCH 36/37] of: remove unused libfdt Sascha Hauer
2013-03-04  9:53 ` [PATCH 37/37] of: make locally used functions static Sascha Hauer

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